/* ===== 見積太郎３ LP / 単一HTML試作版 ===== */
:root {
  --ink: #20283c;
  --ink-soft: #5f6b7c;
  --purple: #6348d7;
  --purple-deep: #4627b8;
  --mint: #08a981;
  --line: #e7eaf3;
  --soft: #f6f8fd;
  --product-color: #6c58d9;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(36, 51, 96, 0.105);
  --content: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 94px;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.75;
  background: white;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid #40c7b0;
  outline-offset: 4px;
}

img,
svg {
  max-width: 100%;
}

.container {
  width: min(var(--content), calc(100% - 56px));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--purple);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.11em;
  line-height: 1.4;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 3px;
}

.section-head {
  text-align: center;
  margin: 0 auto 46px;
  max-width: 820px;
}

.section-head h2 {
  margin: 13px 0 14px;
  font-size: clamp(29px, 3.15vw, 43px);
  line-height: 1.45;
  letter-spacing: -0.045em;
}

.section-head p {
  color: var(--ink-soft);
  margin: 0;
  font-size: 16px;
}

.accent {
  color: var(--purple);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px 23px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 850;
  white-space: nowrap;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(110deg, #7754e5, #502dc4);
  color: #fff;
  box-shadow: 0 9px 24px rgba(99, 72, 215, 0.21);
}

.btn-primary:hover {
  box-shadow: 0 13px 30px rgba(99, 72, 215, 0.29);
}

.btn-outline {
  background: #fff;
  color: var(--ink);
  border-color: #dce2ee;
}

.btn-outline:hover {
  border-color: #b4a7ef;
  box-shadow: 0 8px 25px rgba(40, 35, 90, 0.08);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 100px;
  color: #21775b;
  background: #e6f8ef;
  font-size: 12px;
  font-weight: 800;
}

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22b985;
}

/* Global navigation */
.site-header {
  height: 78px;
  position: sticky;
  z-index: 30;
  top: 0;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226, 233, 240, 0.8);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: white;
  border-radius: 13px;
  background: linear-gradient(145deg, #7d6be8, #4a27b8);
  box-shadow: 0 7px 17px rgba(99, 72, 215, 0.2);
}

.brand-mark svg {
  width: 27px;
  height: 27px;
}

.brand-title {
  display: block;
  line-height: 1.12;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.055em;
}

.brand-title b {
  color: var(--purple);
  font-weight: 900;
}

.brand-note {
  display: block;
  color: #8b90a1;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-top: 5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(13px, 2vw, 31px);
  font-size: 13px;
  font-weight: 780;
}

.nav-links a {
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--purple);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 13px;
}

.nav-actions .btn {
  min-height: 43px;
  padding: 9px 18px;
  font-size: 12px;
}

.login-link {
  font-size: 12px;
  font-weight: 750;
  color: #667184;
}

.login-link:hover {
  color: var(--purple);
}

.menu-toggle {
  display: none;
  width: 43px;
  height: 43px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

/* Hero: mint / light blue atmosphere, original 3D product composition */
.hero {
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(
      ellipse 580px 390px at 68% 46%,
      rgba(141, 235, 203, 0.41),
      transparent 77%
    ),
    radial-gradient(
      ellipse 570px 390px at 98% 12%,
      rgba(199, 225, 255, 0.63),
      transparent 75%
    ),
    linear-gradient(115deg, #f0fcf6 5%, #eefcf7 48%, #f0f8ff 100%);
  padding: 72px 0 116px;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: radial-gradient(#45c9a31f 1px, transparent 1px);
  background-size: 23px 23px;
  mask-image: linear-gradient(to right, transparent 35%, black 98%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  align-items: center;
  gap: 40px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid #b9e7d5;
  border-radius: 100px;
  background: #ffffffbd;
  color: #148665;
  font-size: 12px;
  font-weight: 850;
  padding: 8px 14px;
  letter-spacing: 0.025em;
}

.hero-label .spark {
  color: var(--purple);
  font-size: 15px;
}

.hero h1 {
  font-size: clamp(39px, 4.15vw, 60px);
  line-height: 1.35;
  letter-spacing: -0.067em;
  font-weight: 900;
  margin: 24px 0 24px;
}

.hero h1 .hero-emphasis {
  display: inline-block;
  background: linear-gradient(110deg, #6a46d9 10%, #3486c9 52%, #049d7b 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  margin: 0;
  max-width: 550px;
  color: #53677a;
  font-size: 16px;
  line-height: 2.02;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-buttons .btn {
  min-height: 55px;
  padding-inline: 25px;
}

.hero-small {
  color: #647a83;
  margin: 17px 0 0;
  font-size: 12px;
}

.hero-small span {
  color: #0aab80;
  margin-right: 4px;
  font-weight: 900;
}

.hero-art {
  position: relative;
  min-height: 500px;
  display: grid;
  align-items: center;
}

.hero-glow {
  position: absolute;
  inset: 7% -4% 2% -1%;
  border-radius: 50%;
  background: radial-gradient(circle, #c6f6dd7e, transparent 68%);
  filter: blur(5px);
  pointer-events: none;
}

.workspace {
  position: relative;
  width: 100%;
  margin: 12px auto 0;
  border: 1px solid #ffffff;
  border-radius: 23px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 36px 80px rgba(39, 97, 89, 0.16),
    0 4px 18px rgba(41, 49, 91, 0.055);
  overflow: hidden;
  transform: rotate(-1.8deg);
}

.workspace-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  height: 52px;
  padding: 0 18px;
  border-bottom: 1px solid #edf0f4;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d9dce9;
}

.window-dots i:first-child {
  background: #efafa8;
}

.window-dots i:nth-child(2) {
  background: #f1d59d;
}

.window-dots i:nth-child(3) {
  background: #abe5bd;
}

.workspace-head strong {
  color: #6d7688;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.head-status {
  border-radius: 20px;
  background: #eaf8ef;
  color: #1ba474;
  font-size: 12px;
  font-weight: 850;
  padding: 3px 9px;
}

.workspace-body {
  display: grid;
  grid-template-columns: 1fr 147px;
  min-height: 353px;
}

.preview-area {
  min-width: 0;
  position: relative;
  display: grid;
  place-items: center;
  background: radial-gradient(
    circle at 50% 52%,
    #fff 9%,
    #ecf8f8 73%,
    #e8f0f9 120%
  );
}

.preview-area::before,
.preview-area::after {
  content: "";
  position: absolute;
  width: 230px;
  height: 230px;
  border: 1px solid #a5cfcf77;
  border-radius: 50%;
  transform: rotateX(67deg);
  top: 58px;
}

.preview-area::after {
  width: 300px;
  height: 300px;
  top: 33px;
  opacity: 0.45;
}

.preview-caption {
  position: absolute;
  top: 17px;
  left: 19px;
  font-size: 12px;
  font-weight: 850;
  color: #78918c;
  letter-spacing: 0.08em;
}

.helmet {
  width: min(100%, 375px);
  height: auto;
  z-index: 1;
  position: relative;
  filter: drop-shadow(0 14px 15px rgba(51, 65, 99, 0.09));
}

.preview-area .helmet {
  width: min(100%, 330px);
  animation: productFloat 6s ease-in-out infinite;
}

@keyframes productFloat {
  0%,
  100% {
    transform: translateY(0) rotate(-2deg);
  }

  50% {
    transform: translateY(-7px) rotate(0deg);
  }
}

.view-controls {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 2;
  display: flex;
  gap: 5px;
}

.view-controls span {
  background: white;
  border: 1px solid #e3eaf1;
  border-radius: 8px;
  padding: 4px 8px;
  color: #7b8b99;
  font-size: 12px;
  font-weight: 800;
}

.sidebar-demo {
  border-left: 1px solid #edf0f4;
  padding: 18px 14px;
  background: #fff;
}

.sidebar-demo h3 {
  margin: 0 0 6px;
  font-size: 12px;
}

.sidebar-demo p {
  margin: 0 0 18px;
  font-size: 12px;
  color: #8a92a3;
}

.mini-label {
  display: block;
  font-size: 12px;
  font-weight: 850;
  color: #747e90;
  margin: 0 0 7px;
}

.swatches {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
}

.swatch {
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--swatch);
  border: 3px solid white;
  outline: 1px solid #e0e4ec;
  padding: 0;
  box-shadow: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.swatch:hover {
  transform: scale(1.11);
}

.swatch[aria-pressed="true"] {
  outline: 2px solid var(--purple);
  outline-offset: 2px;
  box-shadow: 0 2px 6px #b0a8df5c;
}

.mock-divider {
  height: 1px;
  background: #eef0f6;
  margin: 20px 0 13px;
}

.mock-option {
  font-size: 12px;
  color: #34415e;
  font-weight: 800;
  padding: 8px 8px;
  border: 1px solid #e9eaf3;
  border-radius: 8px;
  margin: 8px 0;
}

.mock-total {
  font-size: 12px;
  font-weight: 800;
  color: #838d9e;
  margin-top: 22px;
}

.mock-total strong {
  display: block;
  color: var(--purple);
  font-size: 22px;
  line-height: 1.35;
}

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #fff;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 14px;
  padding: 11px 14px;
  box-shadow: 0 13px 35px rgba(33, 55, 76, 0.13);
}

.float-card .float-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.float-card b {
  display: block;
  font-size: 12px;
  line-height: 1.5;
}

.float-card span {
  display: block;
  font-size: 12px;
  color: #80909d;
  line-height: 1.5;
}

.float-one {
  top: 0;
  right: -18px;
  transform: rotate(5deg);
}

.float-one .float-icon {
  background: #f0eaff;
  color: #7750e6;
}

.float-two {
  left: -36px;
  bottom: 10px;
  transform: rotate(3deg);
}

.float-two .float-icon {
  background: #e3f9f2;
  color: #0b9f7a;
}

.value-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: 18px;
  background: white;
  box-shadow: 0 18px 48px rgba(37, 68, 82, 0.1);
  border: 1px solid #edf1f5;
  padding: 26px 12px;
}

.value-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 3px 15px;
  border-right: 1px solid #e7ebf3;
}

.value-item:last-child {
  border-right: 0;
}

.value-item .number {
  color: var(--purple);
  font-size: 27px;
  font-weight: 900;
  line-height: 1;
}

.value-item strong {
  display: block;
  font-size: 13px;
  line-height: 1.5;
}

.value-item small {
  display: block;
  font-size: 12px;
  font-weight: 550;
  color: #8894a4;
}

.value-icon {
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 11px;
  background: #f1edff;
  color: var(--purple);
  display: grid;
  place-items: center;
}

.value-icon svg {
  width: 20px;
  height: 20px;
}

/* Problem/solution */
.intro-grid {
  display: grid;
  grid-template-columns: 0.89fr 1.11fr;
  gap: 70px;
  align-items: center;
}

.intro-copy h2 {
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.47;
  letter-spacing: -0.06em;
  margin: 14px 0 20px;
}

.intro-copy p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
  margin: 0 0 21px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
  gap: 13px;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  font-weight: 700;
}

.check-list svg {
  width: 20px;
  height: 20px;
  color: #12af85;
  flex: none;
  margin-top: 3px;
}

.problem-visual {
  padding: 34px;
  border: 1px solid #e9ecf9;
  border-radius: 30px;
  background: linear-gradient(152deg, #f6f3ff, #f9fcff 65%, #e8f9f3);
  position: relative;
}

.problem-main {
  background: #fff;
  border-radius: 17px;
  border: 1px solid #edeef6;
  padding: 24px;
  box-shadow: 0 14px 35px rgba(55, 63, 111, 0.075);
}

.problem-main h3 {
  font-size: 14px;
  margin: 0 0 17px;
}

.before-after {
  display: grid;
  grid-template-columns: 1fr 26px 1fr;
  align-items: stretch;
  gap: 8px;
}

.before-after .arrow {
  display: grid;
  place-items: center;
  font-size: 25px;
  color: #9b8fdb;
}

.before-after > div:not(.arrow) {
  background: #f7f8fb;
  border: 1px solid #eef0f7;
  border-radius: 13px;
  padding: 17px 12px;
  text-align: center;
}

.before-after .after {
  background: #effaf6 !important;
  border-color: #cff1e1 !important;
}

.before-after .little-icon {
  display: block;
  font-size: 27px;
  line-height: 1.5;
}

.before-after b {
  display: block;
  margin: 6px 0;
  font-size: 13px;
}

.before-after small {
  display: block;
  color: #778397;
  font-size: 12px;
  line-height: 1.8;
}

.problem-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid #eef1f6;
  margin-top: 20px;
  padding-top: 16px;
}

.problem-bottom span {
  font-size: 12px;
  font-weight: 750;
  color: #6d7688;
}

.problem-bottom strong {
  color: var(--purple);
  font-size: 14px;
}

/* Features */
.features {
  background: #f7f8fd;
  position: relative;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  background: #fff;
  padding: 28px 23px 30px;
  border: 1px solid #eef0f8;
  border-radius: 21px;
  box-shadow: 0 12px 32px rgba(41, 48, 92, 0.035);
}

.feature-card .icon-box {
  width: 51px;
  height: 51px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: #f0edff;
  color: #7352d9;
}

.feature-card:nth-child(2) .icon-box {
  background: #e3f7ef;
  color: #08a580;
}

.feature-card:nth-child(3) .icon-box {
  background: #eaf4ff;
  color: #3986d8;
}

.feature-card:nth-child(4) .icon-box {
  background: #fff4e7;
  color: #d98b2b;
}

.icon-box svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 17px;
  margin: 21px 0 12px;
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.feature-card p {
  color: var(--ink-soft);
  font-size: 13px;
  margin: 0;
  line-height: 1.95;
}

.feature-card .feature-id {
  display: block;
  margin-top: 19px;
  color: #b6aecf;
  font-size: 12px;
  font-weight: 800;
}

/* Interactive illustration (not connected to backend) */
.demo-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 58px;
}

.demo-copy h2 {
  font-size: clamp(30px, 3.4vw, 43px);
  line-height: 1.45;
  letter-spacing: -0.055em;
  margin: 13px 0 21px;
}

.demo-copy p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 2;
  margin: 0 0 23px;
}

.demo-steps {
  display: grid;
  gap: 21px;
  margin-top: 28px;
}

.demo-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.demo-step-num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  background: #eeeaff;
  color: var(--purple);
  border-radius: 12px;
  font-weight: 900;
  font-size: 13px;
}

.demo-step b {
  font-size: 15px;
}

.demo-step p {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.8;
}

.demo-window {
  overflow: hidden;
  border-radius: 23px;
  border: 1px solid #e9e9f6;
  background: #fff;
  box-shadow: var(--shadow);
}

.demo-window-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 19px;
  border-bottom: 1px solid #eef0f7;
  font-size: 12px;
  font-weight: 850;
}

.demo-window-top span {
  color: #9b91d4;
  font-size: 12px;
}

.demo-inner {
  display: grid;
  grid-template-columns: 1fr 190px;
}

.demo-product {
  display: grid;
  place-items: center;
  position: relative;
  min-height: 355px;
  padding: 28px 12px;
  background: radial-gradient(
    circle at 50% 53%,
    #fff 4%,
    #edf9f7 74%,
    #f4f7ff 100%
  );
}

.demo-product::after {
  content: "";
  position: absolute;
  width: 69%;
  height: 50px;
  border: 1px solid #b3d9d7;
  border-radius: 50%;
  top: 73%;
  transform: rotate(-6deg);
}

.demo-product .helmet {
  width: min(100%, 330px);
}

.demo-product .demo-watermark {
  position: absolute;
  bottom: 12px;
  left: 15px;
  color: #879bab;
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.demo-options {
  border-left: 1px solid #edf0f4;
  padding: 20px 15px;
}

.demo-options h3 {
  margin: 0 0 17px;
  font-size: 13px;
}

.demo-options .option-block {
  margin-bottom: 22px;
}

.selected-color-label {
  display: block;
  font-size: 12px;
  color: #87919f;
  margin-top: 9px;
}

.quantity-control {
  display: flex;
  align-items: center;
  width: max-content;
  border: 1px solid #dfe4ee;
  border-radius: 10px;
  overflow: hidden;
}

.quantity-control button {
  width: 34px;
  height: 32px;
  background: #f7f8fc;
  border: 0;
  color: #5149ab;
  font-weight: 800;
}

.quantity-control button:hover {
  background: #e9e4fc;
}

.quantity-control output {
  width: 41px;
  text-align: center;
  font-size: 12px;
  font-weight: 850;
}

.quantity-control button:disabled {
  color: #bec3cd;
  cursor: not-allowed;
}

.demo-price {
  padding-top: 14px;
  border-top: 1px solid #edf0f5;
}

.demo-price strong {
  display: block;
  color: var(--purple);
  font-size: 25px;
  letter-spacing: -0.035em;
}

.demo-price small {
  display: block;
  font-size: 12px;
  color: #949dac;
  line-height: 1.6;
}

.demo-disclaimer {
  padding: 13px 19px;
  border-top: 1px solid #edf0f5;
  color: #8590a2;
  font-size: 12px;
  line-height: 1.65;
  background: #fbfcff;
}

/* How-to, plan and CTA */
.how {
  background: linear-gradient(180deg, #f7fbfa, #f4f7fe);
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.how-card {
  background: #fff;
  border: 1px solid #e7ebf2;
  border-radius: 20px;
  padding: 27px 27px 31px;
  position: relative;
}

.how-card:not(:last-child)::after {
  content: "→";
  color: var(--purple);
  position: absolute;
  top: 35%;
  right: -23px;
  z-index: 2;
  font-size: 23px;
  font-weight: 900;
}

.how-number {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--purple);
  font-weight: 950;
  letter-spacing: 0.08em;
}

.how-illust {
  display: grid;
  place-items: center;
  height: 135px;
  border-radius: 14px;
  margin: 17px 0 22px;
  background: #f4f2ff;
}

.how-card:nth-child(2) .how-illust {
  background: #eaf9f2;
}

.how-card:nth-child(3) .how-illust {
  background: #edf4ff;
}

.how-illust svg {
  width: 98px;
  height: 98px;
}

.how-card h3 {
  font-size: 17px;
  margin: 0 0 9px;
}

.how-card p {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.9;
  margin: 0;
}

.plans-note {
  text-align: center;
  color: #89909f;
  margin: 30px auto 0;
  font-size: 12px;
}

.price-grid {
  max-width: 900px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.price-card {
  border: 1px solid #e7e9f5;
  border-radius: 22px;
  padding: 29px 31px 31px;
  background: #fff;
  position: relative;
}

.price-card.featured {
  border: 2px solid #755cda;
  box-shadow: 0 14px 35px rgba(89, 68, 160, 0.085);
}

.price-card .price-badge {
  position: absolute;
  top: -14px;
  right: 23px;
  background: var(--purple);
  color: #fff;
  border-radius: 100px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 850;
}

.price-card h3 {
  font-size: 19px;
  margin: 0 0 7px;
}

.price-card > p {
  color: var(--ink-soft);
  font-size: 12px;
  margin: 0 0 22px;
}

.price-figure {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 34px;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: -0.045em;
}

.price-figure small {
  font-size: 12px;
  color: #8993a0;
  letter-spacing: 0;
  font-weight: 600;
}

.price-figure.pending {
  font-size: 21px;
  letter-spacing: 0;
  padding: 8px 0 7px;
}

.price-card ul {
  padding: 0;
  margin: 23px 0 27px;
  list-style: none;
  display: grid;
  gap: 11px;
  font-size: 12px;
}

.price-card li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.price-card li::before {
  content: "✓";
  color: #0aa87d;
  font-weight: 900;
}

.price-card .btn {
  width: 100%;
}

.big-cta {
  padding: 80px 0;
}

.cta-banner {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: 28px;
  background: linear-gradient(112deg, #6544cf, #4928af 62%, #3263b7);
  padding: 65px 30px;
  color: #fff;
}

/* CTA背景装飾：線だけではなく、淡い水色～ミントの透過面で奥行きを出す */
.cta-banner {
  isolation: isolate;
}

.cta-banner::before,
.cta-banner::after {
  content: "";
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner::before {
  width: 450px;
  height: 450px;
  left: -235px;
  top: -155px;
  background: radial-gradient(
    circle at 38% 35%,
    rgba(222, 249, 255, 0.24) 0%,
    rgba(126, 222, 255, 0.17) 46%,
    rgba(78, 182, 230, 0.1) 100%
  );
  border: 1px solid rgba(216, 247, 255, 0.18);
  box-shadow: inset 0 0 70px rgba(196, 242, 255, 0.07);
}

.cta-banner::after {
  width: 540px;
  height: 540px;
  right: -85px;
  bottom: -330px;
  background: radial-gradient(
    circle at 44% 40%,
    rgba(202, 255, 246, 0.2) 0%,
    rgba(100, 227, 211, 0.14) 48%,
    rgba(49, 170, 191, 0.08) 100%
  );
  border: 1px solid rgba(201, 250, 242, 0.16);
  box-shadow: inset 0 0 82px rgba(180, 248, 237, 0.06);
}

/* 背景装飾よりCTA内の文字・ボタンを必ず前面に置く */
.cta-banner > * {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: clamp(27px, 3.5vw, 41px);
  line-height: 1.5;
  letter-spacing: -0.035em;
  margin: 0 0 13px;
}

.cta-banner p {
  color: #e8e1ff;
  font-size: 14px;
  margin: 0 0 27px;
}

.cta-banner .btn {
  background: white;
  color: #4f30bc;
  padding-inline: 32px;
}

.cta-banner .btn:hover {
  box-shadow: 0 12px 28px #21136555;
}

.footer {
  border-top: 1px solid #e8eaf2;
  padding: 44px 0 24px;
  background: #fbfcff;
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}

.footer .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
}

.footer .brand-title {
  font-size: 18px;
}

.footer-text {
  color: #8791a2;
  font-size: 12px;
  margin: 13px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 11px 26px;
  color: #5d697a;
  font-size: 12px;
  font-weight: 730;
  max-width: 580px;
  justify-content: flex-end;
}

.footer-links a:hover {
  color: var(--purple);
}

.copyright {
  color: #9ca5b3;
  font-size: 12px;
  padding-top: 24px;
  margin-top: 33px;
  border-top: 1px solid #eceef4;
}

@media (max-width: 1150px) {
  .nav-links {
    gap: 14px;
  }

  .hero-grid {
    gap: 15px;
  }

  .hero-art {
    min-height: 445px;
  }

  .float-one {
    right: -6px;
  }

  .float-two {
    left: -13px;
  }

  .intro-grid {
    gap: 40px;
  }

  .demo-grid {
    gap: 30px;
  }
}

@media (max-width: 950px) {
  .nav-links {
    display: none;
  }

  .nav-actions .login-link {
    display: inline-flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links.is-open {
    display: flex;
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: white;
    padding: 21px 28px 27px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 32px #1b244211;
  }

  .nav-links.is-open a {
    padding: 11px 2px;
    font-size: 14px;
  }

  .hero {
    padding-top: 58px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-desc {
    margin: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-art {
    min-height: 450px;
    width: min(620px, 90%);
    margin: auto;
  }

  .value-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 0;
  }

  .value-item:nth-child(2) {
    border-right: 0;
  }

  .intro-grid,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .intro-copy,
  .demo-copy {
    max-width: 690px;
  }

  .problem-visual,
  .demo-window {
    max-width: 730px;
    width: 100%;
    margin: 0 auto;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .container {
    width: calc(100% - 32px);
  }

  .site-header {
    height: 66px;
  }

  .nav-links.is-open {
    top: 66px;
  }

  .brand-title {
    font-size: 18px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-note {
    font-size: 12px;
  }

  .nav-actions {
    gap: 9px;
  }

  .nav-actions .btn {
    min-height: 37px;
    font-size: 12px;
    padding: 7px 12px;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .hero {
    padding: 48px 0 92px;
  }

  .hero-label {
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(33px, 8.4vw, 47px);
    line-height: 1.47;
    margin: 20px 0;
  }

  .hero-desc {
    font-size: 13px;
  }

  .hero-buttons {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 350px;
    margin: 25px auto 0;
  }

  .hero-buttons .btn {
    min-height: 51px;
  }

  .hero-art {
    width: 100%;
    min-height: 345px;
    margin-top: 5px;
  }

  .workspace {
    transform: none;
  }

  .workspace-head {
    height: 38px;
    padding: 0 10px;
  }

  .workspace-head strong {
    font-size: 12px;
  }

  .workspace-body {
    grid-template-columns: 1fr 113px;
    min-height: 260px;
  }

  .preview-area {
    min-height: 260px;
  }

  .preview-area .helmet {
    width: 100%;
  }

  .preview-area::before {
    width: 140px;
    height: 140px;
    top: 40px;
  }

  .preview-area::after {
    width: 180px;
    height: 180px;
    top: 20px;
  }

  .sidebar-demo {
    padding: 12px 9px;
  }

  .sidebar-demo h3 {
    font-size: 12px;
  }

  .sidebar-demo p,
  .mini-label {
    font-size: 12px;
  }

  .sidebar-demo p {
    margin-bottom: 13px;
  }

  .mock-option {
    font-size: 12px;
    padding: 6px 4px;
  }

  .mock-divider {
    margin: 12px 0 10px;
  }

  .mock-total {
    margin-top: 13px;
  }

  .mock-total strong {
    font-size: 17px;
  }

  .swatches {
    gap: 5px;
  }

  .swatch {
    width: 22px;
    height: 22px;
  }

  .view-controls {
    left: 8px;
    bottom: 10px;
  }

  .view-controls span {
    font-size: 12px;
    padding: 3px 5px;
  }

  .preview-caption {
    top: 10px;
    left: 9px;
    font-size: 12px;
  }

  .float-one {
    top: -16px;
    right: 0;
  }

  .float-two {
    bottom: -12px;
    left: 0;
  }

  .float-card {
    padding: 8px 9px;
    gap: 6px;
  }

  .float-card .float-icon {
    width: 27px;
    height: 27px;
  }

  .float-card b {
    font-size: 12px;
  }

  .float-card span {
    font-size: 12px;
  }

  .value-row {
    padding: 17px 6px;
    gap: 15px 0;
  }

  .value-item {
    gap: 7px;
    padding: 2px 8px;
  }

  .value-item .value-icon {
    width: 29px;
    height: 29px;
    border-radius: 9px;
  }

  .value-item .value-icon svg {
    width: 17px;
    height: 17px;
  }

  .value-item strong {
    font-size: 12px;
  }

  .value-item small {
    font-size: 12px;
  }

  .section-head {
    margin-bottom: 30px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .section-head p {
    font-size: 13px;
  }

  .intro-copy h2,
  .demo-copy h2 {
    font-size: 30px;
  }

  .intro-copy p,
  .demo-copy p {
    font-size: 13px;
  }

  .intro-grid,
  .demo-grid {
    gap: 30px;
  }

  .problem-visual {
    padding: 17px;
    border-radius: 20px;
  }

  .problem-main {
    padding: 15px;
  }

  .before-after {
    grid-template-columns: 1fr 15px 1fr;
    gap: 5px;
  }

  .before-after > div:not(.arrow) {
    padding: 14px 5px;
  }

  .before-after b {
    font-size: 12px;
  }

  .before-after small {
    font-size: 12px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .feature-card {
    padding: 23px;
  }

  .demo-inner {
    grid-template-columns: 1fr 140px;
  }

  .demo-product {
    min-height: 285px;
    padding: 9px 4px;
  }

  .demo-options {
    padding: 14px 10px;
  }

  .demo-options h3 {
    font-size: 12px;
  }

  .demo-options .option-block {
    margin-bottom: 18px;
  }

  .demo-product .helmet {
    width: 100%;
  }

  .demo-price strong {
    font-size: 19px;
  }

  .how-grid,
  .price-grid {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .how-card:not(:last-child)::after {
    display: none;
  }

  .how-illust {
    height: 112px;
  }

  .how-illust svg {
    width: 86px;
    height: 86px;
  }

  .price-card {
    padding: 25px;
  }

  .big-cta {
    padding: 45px 0;
  }

  .cta-banner {
    padding: 43px 20px;
    border-radius: 20px;
  }

  .cta-banner p {
    font-size: 12px;
  }

  .footer-grid {
    flex-direction: column;
    gap: 26px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== LP revision: information hierarchy, three samples, responsive presentation ===== */
:root {
  --demo-product-color: #7356e1;
  --hero-product-color: #6c58d9;
}

#sample-helmet {
  --product-color: var(--hero-product-color);
}

.brand-mark {
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 15px #38569a20;
  border: 1px solid #e5e9f1;
  color: #263e69;
}

.brand-mark svg {
  width: 36px;
  height: 36px;
}

.hero h1 {
  font-size: clamp(39px, 4.35vw, 61px);
}

.hero-desc {
  max-width: 570px;
}

.hero-emphasis {
  background: linear-gradient(112deg, #6b4ed5, #236eaf 59%, #009878);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-small {
  line-height: 1.9;
}

.hero-footnote {
  color: #73848a;
  font-size: 12px;
  margin: 12px 0 0;
}

.sample-ribbon {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 10px;
  border: 1px solid #dcdeed;
  border-radius: 99px;
  background: #fff;
  font-weight: 850;
  color: #6f5ac9;
  font-size: 12px;
  padding: 5px 12px;
}

.nav-links {
  gap: clamp(9px, 1.25vw, 21px);
}

.nav-links a {
  white-space: nowrap;
}

.section-head {
  max-width: 870px;
}

.section-head .eyebrow {
  justify-content: center;
}

.section-subnote {
  color: #8791a2;
  font-size: 12px;
  line-height: 1.85;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  background: #ffffffc9;
  border: 1px solid #d8eee5;
  border-radius: 99px;
  color: #3a6f65;
  font-size: 12px;
  font-weight: 800;
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.problem-list p {
  margin: 0 !important;
  background: #fff;
  border: 1px solid #e8ebf4;
  border-radius: 13px;
  padding: 13px 15px;
  line-height: 1.65;
  font-size: 12px;
  color: #4f5b72;
}

.problem-list p::before {
  content: "✓";
  color: #12a880;
  font-weight: 900;
  margin-right: 8px;
}

.panel-foot {
  font-size: 12px;
  color: #77879b;
  margin-top: 16px !important;
  line-height: 1.7 !important;
}

.tiny-overline {
  color: #11a27d;
  font-size: 17px;
  font-weight: 850;
  letter-spacing: 0.09em;
}

.experience {
  background: linear-gradient(180deg, #fbfdff, #f6f8ff);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.experience-card {
  border: 1px solid #e5e8f3;
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 15px 33px #2c3b7e0a;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.experience-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 37px #2c3b7e16;
}

.experience-stage {
  position: relative;
  display: grid;
  place-items: center;
  height: clamp(210px, 18vw, 250px);
  overflow: hidden;
  background: radial-gradient(circle at 52% 28%, #fff, #f1f5ff 77%);
}

.experience-card:first-child .experience-stage {
  background: #fff;
}

.experience-card:nth-child(2) .experience-stage {
  background: radial-gradient(circle at 50% 22%, #fff, #eefbf5 78%);
}

.experience-card:nth-child(3) .experience-stage {
  background: radial-gradient(circle at 50% 22%, #fff, #fef2f4 78%);
}

.experience-stage svg {
  display: block;
  width: 100%;
  height: 100%;
  padding: 10px 16px 6px;
  filter: drop-shadow(0 9px 6px #7083a115);
}

.experience-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  padding: 10px 14px;
  object-fit: contain;
  object-position: 50% 50%;
}

.experience-stage .stage-label {
  position: absolute;
  z-index: 3;
  left: 16px;
  top: 14px;
  border: 1px solid #dfe8f6;
  border-radius: 100px;
  background: #ffffffd9;
  color: #6d7290;
  font-size: 12px;
  padding: 3px 10px;
  font-weight: 800;
}

.experience-body {
  padding: 20px 22px 23px;
}

.experience-body h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.experience-body p {
  font-size: 12px;
  line-height: 1.9;
  color: #697589;
  min-height: 64px;
  margin: 0 0 14px;
}

.experience-points {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.experience-points span {
  border-radius: 7px;
  padding: 4px 8px;
  background: #f0eefb;
  color: #5846a5;
  font-size: 12px;
  font-weight: 800;
}

.experience-cta {
  background: #fff;
  padding: 18px 21px;
  border: 1px solid #e7ebf5;
  border-radius: 17px;
  margin-top: 23px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.experience-cta p {
  margin: 0;
  font-size: 12px;
  color: #6c778b;
  line-height: 1.8;
}

.experience-cta b {
  color: #34455e;
}

.experience-cta a {
  font-size: 12px;
  font-weight: 850;
  color: var(--purple);
  white-space: nowrap;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  min-height: 260px;
}

.feature-card .feature-id {
  margin-top: auto;
}

.feature-card {
  display: flex;
  flex-direction: column;
}

.feature-card:nth-child(5) .icon-box {
  background: #fff0f4;
  color: #c3517e;
}

.feature-card:nth-child(6) .icon-box {
  background: #e9f6f9;
  color: #2f9aaf;
}

.showcase-mini {
  border: 1px solid #dfe8f7;
  background: #fafbff;
  padding: 11px 13px;
  border-radius: 11px;
  color: #617089;
  font-size: 12px;
  line-height: 1.8;
  margin: 16px 0 0;
}

.demo-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.demo-tab {
  background: white;
  border: 1px solid #dfe5f4;
  color: #64718a;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 800;
  padding: 9px 12px;
}

.demo-tab[aria-selected="true"] {
  background: #ebe7ff;
  border-color: #9988e7;
  color: #452baf;
}

.demo-window {
  max-width: 690px;
}

.demo-product svg.sample-svg {
  width: min(100%, 390px);
  height: auto;
  max-height: 320px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 12px 10px #536c9024);
}

.demo-product::after {
  pointer-events: none;
}

.demo-inner {
  grid-template-columns: minmax(0, 1fr) 192px;
}

.demo-options {
  min-width: 0;
}

.demo-note {
  color: #647289;
  font-size: 12px;
  margin: 13px 0 0;
  line-height: 1.7;
}

.sample-unit-price {
  color: #7d899c;
  font-size: 12px;
}

.usecases {
  background: #fff;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.use-card {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  padding: 22px;
  border-radius: 17px;
  border: 1px solid #e7ebf4;
  background: #fff;
}

.use-card .use-icon {
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: #f0eeff;
  border-radius: 13px;
  font-size: 23px;
}

.use-card:nth-child(2) .use-icon,
.use-card:nth-child(5) .use-icon {
  background: #e7faf2;
}

.use-card:nth-child(3) .use-icon,
.use-card:nth-child(6) .use-icon {
  background: #fff2e4;
}

.use-card h3 {
  font-size: 15px;
  margin: 0 0 5px;
}

.use-card p {
  font-size: 12px;
  line-height: 1.9;
  color: #6c7788;
  margin: 0;
}

.use-tag {
  display: inline-block;
  background: #f3edff;
  color: #5f42b0;
  border-radius: 5px;
  padding: 2px 7px;
  font-size: 12px;
  font-weight: 800;
  margin-left: 6px;
  vertical-align: 2px;
}

.use-tag.roadmap {
  background: #fff0dc;
  color: #97631e;
}

.how-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.how-card {
  padding: 22px 20px 25px;
}

.how-card:not(:last-child)::after {
  right: -19px;
}

.how-illust {
  height: 109px;
  margin: 12px 0 17px;
}

.how-illust svg {
  width: 80px;
  height: 80px;
}

.how-card h3 {
  font-size: 16px;
}

.how-card p {
  font-size: 12px;
}

.publish-note {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 23px;
}

.publish-note > div {
  background: #fff;
  border: 1px solid #e3e8f2;
  border-radius: 16px;
  padding: 20px 22px;
}

.publish-note h3 {
  margin: 0 0 7px;
  font-size: 15px;
}

.publish-note p {
  margin: 0;
  color: #697789;
  font-size: 12px;
  line-height: 1.9;
}

.pricing-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0 0 30px;
}

.pricing-bar span {
  background: #f1f9f5;
  color: #187f60;
  border: 1px solid #d8eee1;
  border-radius: 50px;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 850;
}

.price-grid {
  max-width: 1180px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.price-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.price-card.annual {
  border: 2px solid #2ca680;
  box-shadow: 0 14px 35px rgba(27, 140, 106, 0.09);
}

.price-card.annual .price-badge {
  background: #15936f;
}

.price-card.annual .price-figure {
  color: #147b60;
}

.price-card.annual .btn {
  background: linear-gradient(110deg, #20aa82, #128468);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 9px 24px rgba(20, 135, 103, 0.18);
}

.price-card.annual .btn:hover {
  box-shadow: 0 13px 30px rgba(20, 135, 103, 0.25);
}

.price-card ul {
  flex: 1;
}

.price-card .price-figure {
  font-size: 36px;
}

.price-card .price-figure small {
  font-size: 12px;
}

.price-label {
  color: #6f7b8f;
  font-size: 12px;
  margin-top: 3px;
}

.price-detail {
  color: #7b8796;
  font-size: 12px;
  line-height: 1.85;
  margin-top: 12px;
}

.price-notice {
  padding: 18px 21px;
  margin: 25px auto 0;
  max-width: 950px;
  border-radius: 13px;
  border: 1px solid #e7dfba;
  background: #fffdf3;
  color: #726641;
  font-size: 12px;
  line-height: 1.9;
}

.price-notice b {
  color: #524a2d;
}

.faq-grid {
  max-width: 850px;
  margin: auto;
  display: grid;
  gap: 10px;
}

.faq-grid details {
  border: 1px solid #e4e8f3;
  border-radius: 14px;
  background: #fff;
  padding: 0 20px;
}

.faq-grid summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.65;
  list-style: none;
  position: relative;
  padding: 20px 33px 20px 0;
}

.faq-grid summary::-webkit-details-marker {
  display: none;
}

.faq-grid summary::after {
  content: "＋";
  position: absolute;
  right: 1px;
  top: 18px;
  color: #7b65d9;
  font-weight: 900;
  font-size: 20px;
}

.faq-grid details[open] summary::after {
  content: "−";
}

.faq-grid details p {
  border-top: 1px solid #edf0f5;
  padding: 14px 0 20px;
  margin: 0;
  color: #647287;
  font-size: 13px;
  line-height: 1.95;
}

.faq-grid a {
  color: #5d43bd;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 1150px) {
  .nav-links {
    gap: 10px;
    font-size: 12px;
  }

  .nav-actions {
    gap: 7px;
  }

  .nav-actions .btn {
    padding: 8px 12px;
  }

  .how-card:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 950px) {
  .price-grid {
    max-width: 620px;
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .experience-grid,
  .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .how-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-stats {
    justify-content: center;
  }

  .hero h1 {
    font-size: clamp(37px, 6vw, 56px);
  }
}

@media (max-width: 650px) {
  .experience-grid,
  .feature-grid,
  .use-grid,
  .how-grid,
  .publish-note {
    grid-template-columns: 1fr;
  }

  .experience-stage {
    height: 220px;
  }

  .experience-body p {
    min-height: 0;
  }

  .experience-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .problem-list {
    grid-template-columns: 1fr;
  }

  .demo-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
  }

  .demo-tab {
    padding: 8px 4px;
    font-size: 12px;
  }

  .demo-inner {
    grid-template-columns: minmax(0, 1fr) 129px;
  }

  .demo-product {
    min-height: 275px;
  }

  .demo-options {
    padding: 15px 9px;
  }

  .demo-price strong {
    font-size: 19px;
  }

  .hero-stat {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .demo-inner {
    grid-template-columns: 1fr;
  }

  .demo-product {
    min-height: 230px;
  }

  .demo-product svg.sample-svg {
    height: 225px;
  }

  .demo-options {
    border-left: 0;
    border-top: 1px solid #edf0f5;
  }

  .demo-options .option-block {
    margin-bottom: 10px;
  }
}

/* ===== v2 / readable typography and Questetra-inspired two-panel storytelling ===== */
:root {
  --ink: #19283b;
  --ink-soft: #47576b;
  --soft-green: #effbf6;
  --green-head: #087b55;
  --border-strong: #d8e4eb;
}

body {
  font-size: 16px;
  color: var(--ink);
  line-height: 1.85;
}

.site-header {
  border-bottom: 1px solid #e4eaf0;
  box-shadow: 0 3px 19px rgba(19, 53, 63, 0.035);
}

.brand-note {
  font-size: 12px;
  color: #48566d;
  font-weight: 750;
  letter-spacing: 0.045em;
}

.brand-title {
  font-size: 23px;
}

.nav-links {
  font-size: 14px;
  gap: 0;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 clamp(11px, 1.15vw, 18px);
  white-space: nowrap;
}

.nav-links a:first-child {
  padding-left: 0;
}

.nav-links a:last-child {
  padding-right: 0;
}

.nav-links a + a {
  border-left: 1px solid #9ea9b6;
}

.nav-actions .btn {
  font-size: 14px;
  min-height: 47px;
}

.login-link {
  font-size: 14px;
  color: #34445d;
}

.btn {
  font-size: 15px;
}

.btn:focus-visible,
.swatch:focus-visible,
.demo-tab:focus-visible,
.menu-toggle:focus-visible,
.quantity-control button:focus-visible {
  outline: 3px solid #208c76;
  outline-offset: 3px;
}

.section-head h2 {
  letter-spacing: -0.035em;
}

.section-head p {
  font-size: 17px;
  color: #4b5b6c;
  line-height: 1.85;
}

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.085em;
}

.hero {
  background:
    radial-gradient(
      ellipse 620px 430px at 66% 43%,
      rgba(136, 237, 197, 0.36),
      transparent 78%
    ),
    radial-gradient(
      ellipse 580px 400px at 100% 4%,
      rgba(197, 225, 255, 0.62),
      transparent 77%
    ),
    linear-gradient(115deg, #f0fcf6 0%, #effcf7 50%, #f0f8ff 100%);
}

.hero-label {
  font-size: 13px;
  color: #087b59;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.93;
  color: #42576b;
}

.hero-small,
.hero-footnote,
.section-subnote,
.panel-foot,
.demo-note,
.sample-unit-price {
  font-size: 13px;
  color: #4a5e71;
}

.hero-stat {
  font-size: 13px;
  color: #245d50;
}

.workspace-head strong,
.head-status,
.preview-caption,
.view-controls span {
  font-size: 12px;
  color: #475b6a;
}

.head-status {
  color: #166c51;
}

.workspace-head {
  min-height: 54px;
  height: auto;
}

.workspace-body {
  grid-template-columns: minmax(0, 1fr) 182px;
  min-height: 365px;
}

.hero-art {
  min-height: 530px;
}

.float-one,
.float-two {
  display: none;
}

.sidebar-demo {
  padding: 20px 17px;
}

.sidebar-demo h3 {
  font-size: 16px;
}

.sidebar-demo p {
  font-size: 13px;
  color: #556579;
}

.mini-label {
  font-size: 13px;
  color: #45586b;
}

.mock-option {
  font-size: 13px;
  padding: 9px 8px;
}

.mock-total {
  font-size: 12px;
  color: #516176;
}

.mock-total strong {
  font-size: 24px;
}

.view-controls span {
  padding: 6px 9px;
}

.float-card {
  padding: 13px 16px;
}

.float-card b {
  font-size: 13px;
}

.float-card span {
  font-size: 12px;
  color: #506278;
}

.value-item strong {
  font-size: 15px;
}

.value-item small {
  font-size: 12px;
  color: #526478;
}

.intro-copy p,
.demo-copy p {
  font-size: 16px;
  color: #44566a;
  line-height: 1.93;
}

.problem-main h3 {
  font-size: 19px;
}

.problem-list p {
  font-size: 14px;
  line-height: 1.8;
  color: #3e5164;
}

.before-after b {
  font-size: 15px;
}

.before-after small {
  font-size: 13px;
  color: #4b5d71;
}

.feature-card h3 {
  font-size: 19px;
}

.feature-card p {
  font-size: 15px;
  color: #46596a;
  line-height: 1.85;
}

.feature-card .feature-id {
  font-size: 12px;
  color: #62578e;
}

.showcase-mini {
  font-size: 13px;
  color: #485b6f;
}

.experience-body h3 {
  font-size: 19px;
}

.experience-body p {
  font-size: 15px;
  color: #4b5c6e;
  line-height: 1.85;
  min-height: 0;
}

.experience-points span {
  font-size: 12px;
}

.experience-stage .stage-label {
  font-size: 12px;
  color: #4e5e71;
}

.experience-cta p {
  font-size: 14px;
  color: #48596d;
}

.experience-cta a {
  font-size: 14px;
}

.use-card h3 {
  font-size: 17px;
  line-height: 1.5;
}

.use-card p {
  font-size: 14px;
  color: #47596b;
}

.use-tag {
  font-size: 12px;
  padding: 4px 8px;
  margin-top: 5px;
}

.demo-tab {
  font-size: 14px;
  padding: 12px 16px;
}

.demo-window-top,
.demo-window-top span {
  font-size: 13px;
  color: #4b5d72;
}

.demo-window-top {
  flex-wrap: wrap;
  gap: 4px 12px;
}

.demo-watermark {
  font-size: 12px;
  color: #566b7e;
}

.demo-options h3 {
  font-size: 16px;
}

.selected-color-label {
  font-size: 13px;
  color: #495d72;
}

.quantity-control button {
  width: 43px;
  height: 43px;
  font-size: 19px;
}

.quantity-control output {
  width: 48px;
  font-size: 15px;
}

.demo-price small {
  font-size: 13px;
  color: #4e6073;
}

.demo-disclaimer {
  font-size: 13px;
  color: #485a6e;
  line-height: 1.85;
}

.demo-step p {
  font-size: 14px;
}

.demo-step b {
  font-size: 16px;
}

.how-number {
  font-size: 13px;
}

.how-card h3 {
  font-size: 18px;
}

.how-card p {
  font-size: 14px;
  color: #48596c;
}

.publish-note h3 {
  font-size: 17px;
}

.publish-note p {
  font-size: 14px;
  color: #485b6d;
}

.pricing-bar span {
  font-size: 13px;
}

.price-card h3 {
  font-size: 21px;
}

.price-card > p {
  font-size: 15px;
}

.price-card ul {
  font-size: 15px;
}

.price-figure small,
.price-card .price-figure small {
  font-size: 14px;
  color: #526075;
}

.price-label {
  font-size: 14px;
  color: #485c6d;
}

.price-detail,
.price-notice,
.plans-note {
  font-size: 14px;
  color: #4c5b6c;
}

.faq-grid summary {
  font-size: 16px;
}

.faq-grid details p {
  font-size: 15px;
  color: #45586b;
}

.cta-banner p {
  font-size: 16px;
  color: #f3edff;
}

.cta-banner .btn {
  font-size: 16px;
}

/* ===== v4.3.4: 作る人 / 使う人を実画面で見せる役割別案内 ===== */
.audience {
  background:
    radial-gradient(
      circle at 10% 15%,
      rgba(105, 76, 221, 0.035),
      transparent 25%
    ),
    radial-gradient(
      circle at 92% 86%,
      rgba(12, 165, 128, 0.04),
      transparent 28%
    ),
    #fff;
}

.audience-head {
  max-width: 850px;
  margin-bottom: 30px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.audience-card {
  overflow: hidden;
  border: 1px solid #dce9e4;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 14px 38px rgba(41, 62, 86, 0.055);
}

.audience-photo {
  overflow: hidden;
  aspect-ratio: 800 / 494;
  background: #f5f7f9;
  border-bottom: 1px solid #e4ece8;
}

.audience-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.audience-body {
  padding: 26px 28px 27px;
}

.audience-eyebrow {
  margin: 0 0 7px;
  color: #167b5c;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.audience-card h3 {
  margin: 0;
  color: #17354a;
  font-size: clamp(24px, 2.25vw, 31px);
  line-height: 1.5;
  letter-spacing: -0.035em;
}

.audience-desc {
  margin: 14px 0 0;
  color: #53677a;
  font-size: 14px;
  line-height: 1.9;
}

.audience-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px 9px;
  margin-top: 19px;
  padding-top: 16px;
  border-top: 1px solid #e4ece8;
  color: #176c55;
  font-size: 12px;
  font-weight: 850;
}

.audience-flow span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #edf8f4;
  white-space: nowrap;
}

.audience-flow i {
  color: #8aa99e;
  font-style: normal;
  font-weight: 800;
}

.audience-card-customer .audience-flow span {
  background: #eef7f5;
}

/* コントラストを上げ、フッターを情報の終点として整理 */
.footer {
  background: linear-gradient(180deg, #f4f7fc, #edf3f8);
  border-top: 1px solid #cddbe5;
  padding: 53px 0 25px;
}

.footer-grid {
  gap: 44px;
}

.footer .brand-title {
  font-size: 22px;
}

.footer .brand-note {
  color: #47576d;
}

.footer-text {
  color: #37485e;
  font-size: 14px;
  font-weight: 650;
  margin: 17px 0 0;
}

.footer-links {
  color: #30435b;
  font-size: 14px;
  font-weight: 750;
  gap: 13px 22px;
  max-width: 540px;
  line-height: 1.6;
}

.footer-links a {
  text-underline-offset: 4px;
}

.footer-links a:hover {
  color: #4b2cbb;
  text-decoration: underline;
}

.copyright {
  color: #4c5d71;
  font-size: 13px;
  border-top-color: #d4dfe8;
  margin-top: 38px;
  padding-top: 22px;
}

@media (max-width: 1130px) {
  .nav-links {
    display: none;
  }

  .nav-actions .login-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 39px;
    padding: 0 9px;
    border: 1px solid #dce4ec;
    border-radius: 999px;
    background: #fff;
    color: #34445d;
    white-space: nowrap;
  }

  .nav-actions .login-link:hover {
    border-color: #c9bff0;
    background: #faf9ff;
    color: var(--purple);
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.985);
    padding: 16px max(24px, calc((100vw - var(--content)) / 2)) 20px;
    gap: 8px 10px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 32px #1b244211;
    backdrop-filter: blur(18px);
  }

  .nav-links.is-open a {
    min-height: 46px;
    padding: 11px 13px;
    border: 1px solid #e4e9f1;
    border-radius: 12px;
    background: #fbfcff;
    font-size: 14px;
    justify-content: flex-start;
  }

  .nav-links.is-open a:hover {
    border-color: #d4c9f6;
    background: #f7f4ff;
  }
}

@media (max-width: 950px) {
  .audience-grid {
    grid-template-columns: 1fr;
    max-width: 760px;
    margin: 0 auto;
  }

  .hero-desc {
    max-width: 680px;
  }
}

@media (max-width: 650px) {
  .site-header {
    height: 73px;
  }

  .nav-links.is-open {
    top: 73px;
    padding: 12px 16px 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .nav-links.is-open a {
    min-height: 44px;
    padding: 10px 11px;
    font-size: 13px;
  }

  .nav-actions .login-link {
    min-height: 39px;
    padding: 0 7px;
    font-size: 12px;
  }

  .nav {
    gap: 8px;
  }

  .brand-title {
    font-size: 19px;
  }

  .brand-mark {
    width: 41px;
    height: 41px;
  }

  .brand-note {
    font-size: 12px;
    letter-spacing: 0;
  }

  .nav-actions .btn {
    font-size: 12px;
    padding: 8px 11px;
    min-height: 43px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }

  .hero {
    padding: 46px 0 82px;
  }

  .hero-label {
    font-size: 12px;
  }

  .hero h1 {
    font-size: clamp(31px, 8vw, 47px);
    line-height: 1.45;
  }

  .hero-desc {
    font-size: 16px;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-stat {
    font-size: 12px;
  }

  .hero-footnote {
    font-size: 12px;
  }

  .hero-art {
    width: 100%;
    min-height: 0;
    margin: 20px auto 0;
  }

  .workspace {
    overflow: hidden;
    border-radius: 17px;
  }

  .workspace-head {
    min-height: 47px;
    padding: 10px 12px;
  }

  .workspace-head strong {
    font-size: 12px;
  }

  .head-status {
    font-size: 12px;
  }

  .workspace-body {
    grid-template-columns: 1fr;
  }

  .preview-area {
    min-height: 245px;
    padding: 14px 5px;
  }

  .preview-area .helmet {
    width: min(100%, 300px);
  }

  .preview-caption {
    left: 12px;
    top: 9px;
    font-size: 12px;
  }

  .view-controls {
    bottom: 10px;
    left: 11px;
  }

  .view-controls span {
    font-size: 12px;
    padding: 5px 7px;
  }

  .sidebar-demo {
    padding: 15px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 15px;
    align-items: start;
  }

  .sidebar-demo h3 {
    font-size: 15px;
    grid-column: 1/-1;
    margin: 0;
  }

  .sidebar-demo > p {
    grid-column: 1/-1;
    margin: -8px 0 2px;
    font-size: 12px;
  }

  .sidebar-demo .mini-label {
    font-size: 12px;
  }

  .sidebar-demo .mock-divider {
    display: none;
  }

  .sidebar-demo .mock-option {
    font-size: 12px;
    padding: 7px 5px;
    margin: 3px 0;
  }

  .sidebar-demo .mock-total {
    grid-column: 1/-1;
    font-size: 12px;
    margin: 7px 0 0;
  }

  .sidebar-demo .mock-total strong {
    font-size: 22px;
  }

  .swatch {
    width: 29px;
    height: 29px;
  }

  .float-one,
  .float-two {
    display: none;
  }

  .value-row {
    padding: 17px 8px;
  }

  .value-item {
    padding: 7px 9px;
  }

  .value-item strong {
    font-size: 14px;
  }

  .value-item small {
    font-size: 12px;
  }

  .value-item .number {
    font-size: 24px;
  }

  .audience-head {
    margin-bottom: 22px;
  }

  .audience-card {
    border-radius: 19px;
  }

  .audience-body {
    padding: 20px 18px 21px;
  }

  .audience-card h3 {
    font-size: 24px;
  }

  .audience-desc {
    margin-top: 11px;
    font-size: 13px;
    line-height: 1.85;
  }

  .audience-flow {
    gap: 6px 7px;
    margin-top: 15px;
    padding-top: 14px;
    font-size: 12px;
  }

  .audience-flow span {
    min-height: 27px;
    padding: 3px 8px;
  }

  .section-head h2 {
    font-size: 29px;
    line-height: 1.48;
  }

  .section-head p {
    font-size: 15px;
  }

  .intro-copy h2,
  .demo-copy h2 {
    font-size: 30px;
  }

  .intro-copy p,
  .demo-copy p {
    font-size: 15px;
  }

  .before-after b {
    font-size: 14px;
  }

  .before-after small {
    font-size: 12px;
  }

  .problem-list p {
    font-size: 13px;
  }

  .feature-card p,
  .experience-body p,
  .experience-stage .stage-label {
    font-size: 12px;
  }

  .demo-tabs {
    gap: 7px;
  }

  .demo-tab {
    font-size: 12px;
    min-height: 44px;
    padding: 9px 4px;
  }

  .demo-inner {
    grid-template-columns: 1fr;
  }

  .demo-product {
    min-height: 285px;
  }

  .demo-product svg.sample-svg {
    width: min(100%, 350px);
  }

  .demo-options {
    border-left: 0;
    border-top: 1px solid #edf0f5;
    padding: 18px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 13px;
  }

  .demo-options h3 {
    grid-column: 1/-1;
    margin: 0 0 3px;
  }

  .demo-options .option-block {
    margin: 0;
  }

  .demo-options .demo-price {
    grid-column: 1/-1;
    margin-top: 5px;
  }

  .demo-price strong {
    font-size: 26px;
  }

  .footer {
    padding: 39px 0 24px;
  }

  .footer-grid {
    gap: 30px;
  }

  .footer-links {
    font-size: 14px;
    gap: 14px 20px;
  }

  .copyright {
    font-size: 12px;
    line-height: 1.8;
  }

  .copyright span[style] {
    display: block;
    margin-left: 0 !important;
  }
}

@media (max-width: 360px) {
  .brand {
    gap: 7px;
  }

  .brand-mark {
    width: 35px;
    height: 35px;
  }

  .brand-mark svg {
    width: 31px;
    height: 31px;
  }

  .brand-title {
    font-size: 17px;
  }

  .brand-note {
    font-size: 12px;
  }

  .nav-actions .btn {
    padding: 7px 8px;
  }

  .menu-toggle {
    width: 37px;
    height: 39px;
  }

  .sidebar-demo {
    grid-template-columns: 1fr;
  }

  .sidebar-demo h3,
  .sidebar-demo > p,
  .sidebar-demo .mock-total {
    grid-column: 1;
  }

  .audience-mini {
    flex-wrap: wrap;
  }
}

/* ヘルメットの振動対策 */
.preview-area .helmet {
  animation: none !important;
  transform: none !important;
  filter: none !important;
}

/* ===== ファーストビュー / v4 =====
       静止プレビューを即表示し、明示操作時だけ実物3Dデモを読み込む。
       PCは左右カラムの上端を揃え、上部余白を抑える。 */

/* Header brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.brand-logo-link {
  display: grid;
  place-items: center;
  flex: none;
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.brand-logo {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-text {
  display: grid;
  gap: 3px;
  min-width: 0;
  line-height: 1;
}

.brand-title-link {
  display: block;
  width: max-content;
  max-width: 100%;
  text-decoration: none;
}

.brand-note {
  margin-top: 0;
  color: #687589;
  letter-spacing: 0.045em;
  line-height: 1.35;
}

.brand-note-link {
  color: inherit;
  text-decoration: none;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.brand-note-link:hover,
.brand-note-link:focus-visible {
  color: #4d34b9;
  text-decoration: underline;
}

.footer-brand .brand-logo-link,
.footer-brand .brand-logo {
  width: 44px;
  height: 44px;
}

/* Hero layout */
.hero {
  padding: 34px 0 92px;
}

.hero-grid {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: start;
  gap: clamp(28px, 3vw, 44px);
}

.hero-copy {
  padding-top: 2px;
}

.hero-label {
  margin-top: 0;
}

.hero h1 {
  margin: 19px 0 18px;
}

.hero-desc {
  line-height: 1.95;
}

.hero-buttons {
  margin-top: 24px;
}

.hero-art {
  min-height: 0;
  align-items: start;
  padding-top: 0;
  margin: 0;
}

.hero-glow {
  inset: -5% -4% -4% -3%;
}

/* Real-demo card */
.hero-live-shell {
  position: relative;
  width: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.98);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow:
    0 28px 68px rgba(39, 97, 89, 0.15),
    0 7px 24px rgba(41, 49, 91, 0.075);
  transform: translateZ(0);
}

.hero-live-head {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px 10px 18px;
  border-bottom: 1px solid #e8edf2;
  background: rgba(255, 255, 255, 0.985);
}

.hero-live-title {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.hero-live-kicker {
  color: #0b8964;
  font-size: 12px;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.hero-live-title strong {
  color: #243247;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 900;
  white-space: nowrap;
}

.hero-live-title:empty {
  display: none;
}

.hero-live-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 7px;
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
}

.hero-live-status,
.hero-demo-newtab,
.hero-demo-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  margin: 0;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.35;
  font-weight: 800;
  white-space: nowrap;
}

.hero-live-status {
  color: #176d55;
  background: #e9f8f1;
  border: 1px solid #d4eee3;
  margin-right: auto;
}

.hero-demo-close:not([hidden]) {
  margin-left: auto;
}

.hero-demo-close[hidden] + .hero-demo-newtab {
  margin-left: auto;
}

.hero-live-status.is-live {
  color: #4c32b4;
  background: #f0edff;
  border-color: #ddd6ff;
}

.hero-demo-newtab,
.hero-demo-close {
  color: #42566a;
  background: #fff;
  border: 1px solid #dce5ec;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}

.hero-demo-newtab:hover,
.hero-demo-close:hover {
  color: #5334c4;
  border-color: #c9bff0;
  background: #faf9ff;
  transform: translateY(-1px);
}

/* HTML の hidden 属性を、ボタン共通の display 指定より確実に優先する。
       初期表示では「プレビュー画像に戻す」を出さず、実物デモ表示時のみ JS で表示する。 */
.hero-demo-close[hidden],
.hero-frame-wrap[hidden],
.hero-poster[hidden] {
  display: none !important;
}

.hero-live-stage {
  position: relative;
  min-height: 356px;
  background: #f6f7f9;
}

.hero-poster {
  position: relative;
  min-height: 356px;
  overflow: hidden;
  background: #f2f4f6;
  isolation: isolate;
}

.hero-poster img {
  display: block;
  width: 100%;
  height: 356px;
  object-fit: cover;
  object-position: 50% 48%;
  filter: saturate(0.99) contrast(1);
}

/* 中央付近のコピーを読みやすくするため、左側のみ緩やかに暗くする */
.hero-poster-vignette {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(18, 30, 46, 0.72) 0%,
      rgba(18, 30, 46, 0.52) 34%,
      rgba(18, 30, 46, 0.12) 61%,
      rgba(18, 30, 46, 0) 76%
    ),
    linear-gradient(0deg, rgba(18, 30, 46, 0.18) 0%, rgba(18, 30, 46, 0) 52%);
  pointer-events: none;
}

.hero-poster-copy {
  position: absolute;
  z-index: 2;
  top: 51%;
  left: 28px;
  right: auto;
  bottom: auto;
  width: min(440px, 62%);
  transform: translateY(-50%);
  display: grid;
  justify-items: start;
  gap: 12px;
  color: #fff;
  text-shadow: 0 2px 14px rgba(15, 27, 43, 0.34);
}

.hero-poster-copy strong {
  font-size: clamp(22px, 2.05vw, 29px);
  line-height: 1.48;
  letter-spacing: -0.035em;
}

.hero-demo-launch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  margin: 0;
  padding: 10px 18px;
  border: 0;
  border-radius: 999px;
  color: #4b2db9;
  background: #fff;
  box-shadow: 0 10px 28px rgba(20, 31, 50, 0.22);
  font-size: 14px;
  font-weight: 900;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.hero-demo-launch:hover {
  transform: translateY(-2px);
  background: #fbfaff;
  box-shadow: 0 14px 34px rgba(20, 31, 50, 0.27);
}

.hero-demo-play {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #6e4edb, #4a2dbb);
  font-size: 12px;
  padding-left: 2px;
  text-shadow: none;
}

.hero-frame-wrap {
  position: relative;
  width: 100%;
  min-height: 470px;
  background: #f6f7f9;
}

.hero-frame-wrap iframe {
  display: block;
  width: 100%;
  height: 470px;
  border: 0;
  background: #fff;
}

.hero-frame-loading {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 9px;
  padding: 26px;
  text-align: center;
  color: #3d4f63;
  background: linear-gradient(145deg, #f5fbf8, #f5f6ff);
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}

.hero-frame-loading.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.hero-frame-loading strong {
  font-size: 15px;
}

.hero-frame-loading > span:last-child {
  color: #607185;
  font-size: 12px;
}

.hero-loader {
  width: 37px;
  height: 37px;
  border: 4px solid #dcd8f7;
  border-top-color: #6247d2;
  border-radius: 50%;
  animation: heroSpin 0.9s linear infinite;
}

@keyframes heroSpin {
  to {
    transform: rotate(360deg);
  }
}

/* Desktop / compact laptop */
@media (max-width: 1150px) {
  .hero {
    padding-top: 30px;
  }

  .hero-grid {
    gap: 24px;
  }

  .hero-live-head {
    align-items: flex-start;
  }

  .hero-live-actions {
    max-width: none;
  }
}

/* Tablet: stack copy and demo; keep top space compact. */
@media (max-width: 950px) {
  .hero {
    padding: 38px 0 88px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-copy {
    padding-top: 0;
    text-align: center;
  }

  .hero-desc {
    margin-inline: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-art {
    width: min(760px, 100%);
    min-height: 0;
    margin: 0 auto;
  }

  .hero-poster img {
    height: min(43vw, 390px);
    min-height: 330px;
  }

  .hero-live-stage,
  .hero-poster {
    min-height: 330px;
  }

  .hero-frame-wrap,
  .hero-frame-wrap iframe {
    min-height: 520px;
    height: 520px;
  }
}

/* Mobile */
@media (max-width: 650px) {
  .brand {
    gap: 7px;
  }

  .brand-logo-link,
  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand-text {
    gap: 1px;
  }

  .brand-note {
    font-size: 12px;
    letter-spacing: 0.01em;
  }

  .hero {
    padding: 28px 0 74px;
  }

  .hero h1 {
    margin: 18px 0;
  }

  .hero-live-shell {
    border-radius: 18px;
  }

  .hero-live-head {
    min-height: 0;
    padding: 11px 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .hero-live-title strong {
    font-size: 14px;
    white-space: normal;
  }

  .hero-live-actions {
    max-width: none;
    justify-content: flex-start;
    gap: 6px;
  }

  .hero-live-status,
  .hero-demo-newtab,
  .hero-demo-close {
    min-height: 32px;
    font-size: 12px;
  }

  .hero-live-stage,
  .hero-poster {
    min-height: 0;
  }

  .hero-poster {
    display: flex;
    flex-direction: column;
    background: #26374d;
  }

  .hero-poster img {
    width: 100%;
    height: auto;
    min-height: 0;
    aspect-ratio: 1400 / 671;
    object-fit: contain;
    object-position: center;
    background: #f4f4f4;
  }

  .hero-poster-vignette {
    display: none;
  }

  .hero-poster-copy {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    transform: none;
    padding: 16px 15px 17px;
    gap: 8px;
    background: linear-gradient(135deg, #29394f, #26344a);
    text-shadow: none;
  }

  .hero-poster-copy strong {
    font-size: 20px;
  }

  .hero-demo-launch {
    min-height: 45px;
    font-size: 13px;
    padding: 9px 15px;
  }

  .hero-frame-wrap,
  .hero-frame-wrap iframe {
    min-height: 620px;
    height: 620px;
  }

  .footer-brand .brand-logo-link,
  .footer-brand .brand-logo {
    width: 40px;
    height: 40px;
  }
}

/* ===== 4つの特徴：dc1.jpg〜dc4.jpg / PC・スマホ共通カード ===== */
.value-overlap {
  position: relative;
  z-index: 4;
  margin-top: -30px;
  margin-bottom: 80px;
}

.value-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 56px rgba(37, 68, 82, 0.11);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.value-item,
.value-item:last-child,
.value-item:nth-child(2) {
  min-width: 0;
  min-height: 112px;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: center;
  justify-content: initial;
  gap: 14px;
  padding: 14px 15px;
  border: 1px solid #edf0f6;
  border-right: 1px solid #edf0f6;
  border-radius: 18px;
  background: linear-gradient(145deg, #ffffff 0%, #fbfcff 100%);
  box-shadow: 0 8px 22px rgba(52, 64, 110, 0.045);
}

.value-icon,
.value-item .value-icon {
  width: 82px;
  height: 82px;
  aspect-ratio: 1;
  flex: none;
  display: block;
  overflow: hidden;
  border: 1px solid #edf1f7;
  border-radius: 18px;
  background: #f8fbff;
  box-shadow: 0 7px 18px rgba(69, 83, 126, 0.08);
}

.value-icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.035);
}

.value-copy {
  min-width: 0;
}

.value-item strong {
  display: block;
  margin: 0;
  color: #27334a;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.value-item small {
  display: block;
  margin-top: 4px;
  color: #667589;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.55;
}

@media (max-width: 1150px) {
  .value-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
  }

  .value-item,
  .value-item:last-child,
  .value-item:nth-child(2) {
    grid-template-columns: 78px minmax(0, 1fr);
    min-height: 106px;
  }

  .value-icon,
  .value-item .value-icon {
    width: 78px;
    height: 78px;
  }
}

@media (max-width: 650px) {
  .value-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 1fr;
    gap: 9px;
    padding: 9px;
    border-radius: 20px;
  }

  .value-item,
  .value-item:last-child,
  .value-item:nth-child(2) {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    justify-items: center;
    align-content: start;
    gap: 9px;
    min-height: 176px;
    padding: 12px 8px 13px;
    text-align: center;
    border-right: 1px solid #edf0f6;
    border-radius: 16px;
  }

  .value-icon,
  .value-item .value-icon {
    width: 88px;
    height: 88px;
    border-radius: 16px;
  }

  .value-copy {
    width: 100%;
    min-height: 53px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
  }

  .value-item strong {
    font-size: 13px;
    line-height: 1.45;
    white-space: nowrap;
  }

  .value-item small {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.45;
  }
}

@media (max-width: 380px) {
  .value-row {
    gap: 8px;
    padding: 8px;
  }

  .value-item,
  .value-item:last-child,
  .value-item:nth-child(2) {
    min-height: 164px;
    padding: 10px 6px 11px;
  }

  .value-icon,
  .value-item .value-icon {
    width: 78px;
    height: 78px;
    border-radius: 14px;
  }

  .value-item strong {
    font-size: 12px;
  }

  .value-item small {
    font-size: 12px;
  }
}

/* ===== About v4.2.1: v4.2レイアウトのまま mk1 / mk2 を差し替え ===== */
.before-after-images {
  margin-top: 21px;
}

.before-after-images > .before-after-card {
  padding: 9px 9px 13px;
  overflow: hidden;
}

.before-after-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid #e8ebf2;
  border-radius: 10px;
  background: #f5f7fa;
  box-shadow: 0 5px 14px rgba(46, 58, 92, 0.045);
}

.before-after-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.before-after-images b {
  margin-top: 9px;
  margin-bottom: 3px;
}

.before-after-images small {
  line-height: 1.65;
}

.before-after-images .after .before-after-thumb {
  border-color: #d4eee4;
}

@media (max-width: 650px) {
  .before-after-images {
    grid-template-columns: minmax(0, 1fr) 15px minmax(0, 1fr);
    gap: 5px;
  }

  .before-after-images > .before-after-card {
    padding: 7px 6px 10px;
  }

  .before-after-thumb {
    border-radius: 8px;
  }

  .before-after-images b {
    margin-top: 7px;
    font-size: 13px;
  }

  .before-after-images small {
    font-size: 12px;
    line-height: 1.55;
  }
}

@media (max-width: 380px) {
  .before-after-images > .before-after-card {
    padding-inline: 5px;
  }

  .before-after-images b {
    font-size: 12px;
  }
}

/* ===== 共通セクション余白 =====
       旧 v4.2.2 / v4.2.3 の重複指定を統合。
       スマホの既存密度は維持し、LP後半のセクション間隔を一定にする。 */
.section {
  padding-top: 52px;
  padding-bottom: 52px;
}

/* About → Experience は前版で個別調整済みのバランスを維持 */
#about.section {
  padding-bottom: 54px;
}

#experience.section {
  padding-top: 50px;
  padding-bottom: 52px;
}

#experience .section-head h2 {
  margin-top: 0;
}

/* audience には既存の独自 padding 指定があるため明示的に統一 */
.audience.section {
  padding-top: 52px;
  padding-bottom: 52px;
}

/* FAQ → 最終CTA間も同じ密度にする */
.big-cta {
  padding-top: 42px;
  padding-bottom: 42px;
}

@media (max-width: 650px) {
  .section {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  #about.section {
    padding-bottom: 42px;
  }

  #experience.section {
    padding-top: 38px;
    padding-bottom: 42px;
  }

  .audience.section {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .big-cta {
    padding-top: 34px;
    padding-bottom: 34px;
  }
}

/* ===== v4.2.4 / USE CASES photo cards ===== */
.usecases {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 7% 8%, rgba(99, 72, 215, 0.045), transparent 24%),
    radial-gradient(
      circle at 95% 92%,
      rgba(8, 169, 129, 0.05),
      transparent 27%
    ),
    #fff;
}

.usecases::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -240px;
  top: 16%;
  border: 1px solid rgba(99, 72, 215, 0.09);
  border-radius: 50%;
  pointer-events: none;
}

.usecases-head {
  max-width: 860px;
}

.usecases-head p {
  max-width: 760px;
  margin-inline: auto;
}

.use-photo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.use-photo-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid #e6eaf1;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(35, 47, 83, 0.055);
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease,
    border-color 0.24s ease;
}

.use-photo-card:hover {
  transform: translateY(-4px);
  border-color: #ddd8f4;
  box-shadow: 0 18px 42px rgba(35, 47, 83, 0.1);
}

.use-photo {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f3f5f8;
}

.use-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(18, 29, 48, 0.16) 100%
  );
  pointer-events: none;
}

.use-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.45s ease;
}

.use-photo-card:hover .use-photo img {
  transform: scale(1.025);
}

.use-photo-index {
  position: absolute;
  z-index: 2;
  left: 14px;
  top: 14px;
  display: grid;
  place-items: center;
  min-width: 39px;
  height: 29px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #334255;
  box-shadow: 0 4px 14px rgba(22, 35, 55, 0.1);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.use-photo-status {
  position: absolute;
  z-index: 2;
  right: 14px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 4px 11px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 246, 229, 0.93);
  color: #8b5b19;
  box-shadow: 0 4px 14px rgba(22, 35, 55, 0.08);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 850;
}

.use-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px 21px 22px;
}

.use-card-category {
  display: block;
  margin-bottom: 7px;
  color: #7867c8;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.09em;
  line-height: 1.4;
}

.use-card-roadmap .use-card-category {
  color: #4c8b76;
}

.use-photo-card h3 {
  margin: 0 0 9px;
  color: #253247;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.use-photo-card p {
  margin: 0;
  color: #526477;
  font-size: 14px;
  line-height: 1.85;
}

.usecases-note {
  margin: 20px auto 0;
  color: #748193;
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}

@media (max-width: 950px) {
  .use-photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .use-photo {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 650px) {
  .use-photo-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .use-photo-card {
    display: grid;
    grid-template-columns: minmax(145px, 42%) minmax(0, 1fr);
    border-radius: 18px;
  }

  .use-photo {
    height: 100%;
    min-height: 178px;
    aspect-ratio: auto;
  }

  .use-card-body {
    justify-content: center;
    padding: 17px 16px 18px;
  }

  .use-card-category {
    margin-bottom: 5px;
  }

  .use-photo-card h3 {
    margin-bottom: 6px;
    font-size: 16px;
  }

  .use-photo-card p {
    font-size: 13px;
    line-height: 1.75;
  }

  .use-photo-index {
    left: 9px;
    top: 9px;
    min-width: 34px;
    height: 26px;
    padding-inline: 8px;
  }

  .use-photo-status {
    right: 9px;
    top: 9px;
    min-height: 26px;
    padding: 3px 8px;
  }

  .usecases-note {
    margin-top: 16px;
    text-align: left;
  }
}

@media (max-width: 430px) {
  .use-photo-card {
    display: flex;
  }

  .use-photo {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }

  .use-card-body {
    padding: 17px 17px 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .use-photo-card,
  .use-photo img {
    transition: none;
  }
}

/* ===== v4.2.5 / HOW IT WORKS photo workflow ===== */
.how {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 5% 12%,
      rgba(23, 169, 130, 0.055),
      transparent 27%
    ),
    radial-gradient(
      circle at 96% 92%,
      rgba(99, 72, 215, 0.055),
      transparent 29%
    ),
    linear-gradient(180deg, #f9fcfb 0%, #f5f8fd 100%);
}

.how::before {
  content: "";
  position: absolute;
  width: 330px;
  height: 330px;
  left: -240px;
  bottom: 12%;
  border: 1px solid rgba(74, 117, 177, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.how-section-head {
  max-width: 900px;
}

.how-section-head p {
  max-width: 780px;
  margin-inline: auto;
}

.how-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.how-photo-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid #e3e8f0;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(35, 48, 82, 0.055);
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease,
    border-color 0.24s ease;
}

.how-photo-card::after {
  display: none !important;
  content: none !important;
}

.how-photo-card:hover {
  transform: translateY(-4px);
  border-color: #d9d4ef;
  box-shadow: 0 18px 42px rgba(35, 48, 82, 0.105);
}

.how-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #eef2f5;
}

.how-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(16, 26, 44, 0) 62%,
    rgba(16, 26, 44, 0.17) 100%
  );
  pointer-events: none;
}

.how-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.45s ease;
}

.how-photo-card:hover .how-photo img {
  transform: scale(1.025);
}

.how-photo .how-number {
  position: absolute;
  z-index: 2;
  left: 13px;
  top: 13px;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.91);
  color: #543ac0;
  box-shadow: 0 5px 15px rgba(27, 38, 64, 0.1);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.07em;
  line-height: 1;
}

.how-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 19px 20px 22px;
}

.how-stage-label {
  display: block;
  margin-bottom: 6px;
  color: #148365;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.how-photo-card:nth-child(2) .how-stage-label {
  color: #4f65ba;
}

.how-photo-card:nth-child(3) .how-stage-label {
  color: #7754c8;
}

.how-photo-card:nth-child(4) .how-stage-label {
  color: #3d7f9d;
}

.how-photo-card h3 {
  margin: 0 0 8px;
  color: #243247;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.025em;
}

.how-photo-card p {
  margin: 0;
  color: #5c6d80;
  font-size: 13px;
  line-height: 1.85;
}

.publish-guide {
  margin-top: 26px;
  padding: 22px;
  border: 1px solid #dfe6ef;
  border-radius: 21px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 10px 28px rgba(35, 48, 82, 0.035);
}

.publish-guide-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
  padding: 0 2px;
}

.publish-guide-head > span {
  flex: none;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #ede9ff;
  color: #5c43bd;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.publish-guide-head h3 {
  margin: 0 0 2px;
  color: #28364a;
  font-size: 16px;
  line-height: 1.55;
}

.publish-guide-head p {
  margin: 0;
  color: #69788a;
  font-size: 13px;
  line-height: 1.7;
}

.publish-note-refined {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 0;
}

.publish-note-refined > div {
  position: relative;
  min-width: 0;
  padding: 18px 19px 19px;
  border: 1px solid #e5e9f1;
  border-radius: 15px;
  background: #fff;
  box-shadow: none;
}

.publish-note-refined h3 {
  margin: 0 0 6px;
  color: #2b394d;
  font-size: 15px;
}

.publish-note-refined p {
  margin: 0;
  color: #68788a;
  font-size: 12px;
  line-height: 1.85;
}

.publish-footnote {
  margin: 12px 2px 0;
  color: #7b8797;
  font-size: 12px;
  line-height: 1.75;
}

@media (max-width: 950px) {
  .how-photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
  }

  .how-photo {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 650px) {
  .how-photo-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .how-photo-card {
    display: grid;
    grid-template-columns: minmax(150px, 42%) minmax(0, 1fr);
    border-radius: 18px;
  }

  .how-photo {
    height: 100%;
    min-height: 180px;
    aspect-ratio: auto;
  }

  .how-card-body {
    justify-content: center;
    padding: 16px 15px 17px;
  }

  .how-photo-card h3 {
    margin-bottom: 5px;
    font-size: 16px;
  }

  .how-photo-card p {
    font-size: 12px;
    line-height: 1.72;
  }

  .how-stage-label {
    margin-bottom: 4px;
  }

  .how-photo .how-number {
    left: 9px;
    top: 9px;
    min-height: 27px;
    padding: 4px 8px;
  }

  .publish-guide {
    margin-top: 20px;
    padding: 17px;
    border-radius: 18px;
  }

  .publish-guide-head {
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 13px;
  }

  .publish-guide-head {
    flex-direction: column;
  }

  .publish-note-refined {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .publish-note-refined > div {
    padding: 16px;
  }

  .publish-footnote {
    margin-top: 10px;
  }
}

@media (max-width: 430px) {
  .how-photo-card {
    display: flex;
  }

  .how-photo {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .how-card-body {
    padding: 16px 17px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .how-photo-card,
  .how-photo img {
    transition: none;
  }
}

/* ===== v4.2.7 / REAL DEMO + Taro & Chair live switch ===== */
.real-demo-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 8% 18%,
      rgba(99, 72, 215, 0.055),
      transparent 28%
    ),
    radial-gradient(
      circle at 92% 84%,
      rgba(8, 169, 129, 0.055),
      transparent 30%
    ),
    #fff;
}

.real-demo-grid {
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: clamp(38px, 5vw, 72px);
}

.real-demo-copy {
  max-width: 510px;
}

.real-demo-copy > p {
  max-width: 500px;
}

.real-demo-steps {
  margin-top: 30px;
  gap: 19px;
}

.real-demo-note {
  margin-top: 27px !important;
  padding: 13px 15px;
  border: 1px solid #dbece6;
  border-radius: 13px;
  background: #f3fbf8;
  color: #45675e !important;
  font-size: 13px !important;
  line-height: 1.8 !important;
}

.real-demo-area {
  min-width: 0;
}

.real-demo-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin: 0 0 12px;
}

.real-demo-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-width: 0;
  min-height: 67px;
  padding: 10px 14px;
  border: 1px solid #dfe5ef;
  border-radius: 14px;
  background: #fff;
  color: #536378;
  text-align: left;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.real-demo-tab span {
  display: block;
  font-size: 14px;
  font-weight: 850;
  line-height: 1.45;
}

.real-demo-tab small {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.3;
  color: #8793a3;
}

.real-demo-tab.is-ready:hover {
  transform: translateY(-2px);
  border-color: #b6a9ee;
  box-shadow: 0 8px 20px rgba(79, 58, 164, 0.08);
}

.real-demo-tab[aria-selected="true"] {
  border-color: #8974df;
  background: linear-gradient(145deg, #f5f2ff, #fff);
  color: #452caf;
  box-shadow: 0 8px 22px rgba(86, 65, 178, 0.09);
}

.real-demo-tab[aria-selected="true"] small {
  color: #19866b;
}

.real-demo-tab.is-coming {
  cursor: default;
  opacity: 0.62;
  background: #f8f9fc;
}

.real-demo-tab.is-coming small {
  color: #9a8055;
}

.real-demo-shell {
  overflow: hidden;
  border: 1px solid #e1e7ef;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(37, 50, 85, 0.105);
}

.real-demo-head {
  min-height: 64px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  padding: 11px 16px 12px 19px;
  border-bottom: 1px solid #e9edf3;
  background: rgba(255, 255, 255, 0.96);
}

.real-demo-title {
  min-width: 0;
}

.real-demo-title strong {
  display: block;
  margin-top: 2px;
  color: #27384d;
  font-size: 15px;
  line-height: 1.45;
}

.real-demo-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 7px;
  width: 100%;
  min-width: 0;
}

.real-demo-status,
.real-demo-close,
.real-demo-newtab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

.real-demo-status {
  border: 1px solid #cceadd;
  background: #edf9f4;
  color: #17785f;
  margin-right: auto;
}

.real-demo-close:not([hidden]) {
  margin-left: auto;
}

.real-demo-close[hidden] + .real-demo-newtab {
  margin-left: auto;
}

.real-demo-status.is-live {
  border-color: #d8d0fb;
  background: #f2efff;
  color: #5a3fc2;
}

.real-demo-close,
.real-demo-newtab {
  border: 1px solid #dfe5ed;
  background: #fff;
  color: #526276;
}

.real-demo-close {
  cursor: pointer;
}

.real-demo-close:hover,
.real-demo-newtab:hover {
  border-color: #a99ae9;
  color: #4f35bb;
  background: #faf9ff;
}

.real-demo-close[hidden],
.real-demo-frame-wrap[hidden],
.real-demo-poster[hidden] {
  display: none !important;
}

.real-demo-stage {
  position: relative;
  height: clamp(520px, 44vw, 650px);
  min-height: 520px;
  background: #f5f7fa;
}

.real-demo-poster {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #e9eef2;
}

.real-demo-poster img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.real-demo-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(20, 32, 49, 0.76) 0%,
      rgba(20, 32, 49, 0.5) 37%,
      rgba(20, 32, 49, 0.06) 73%,
      transparent 100%
    ),
    linear-gradient(0deg, rgba(20, 32, 49, 0.2), transparent 35%);
  pointer-events: none;
}

.real-demo-poster-copy {
  position: absolute;
  z-index: 2;
  left: clamp(22px, 4vw, 42px);
  top: 50%;
  width: min(430px, 52%);
  transform: translateY(-50%);
  color: #fff;
}

.real-demo-poster-copy > span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.03em;
}

.real-demo-poster-copy strong {
  display: block;
  font-size: clamp(25px, 2.7vw, 38px);
  line-height: 1.48;
  letter-spacing: -0.045em;
}

.real-demo-poster-copy p {
  margin: 12px 0 19px;
  max-width: 390px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  line-height: 1.85;
}

.real-demo-launch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 18px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #4f31bd;
  box-shadow: 0 10px 26px rgba(20, 25, 53, 0.2);
  font-size: 14px;
  font-weight: 900;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.real-demo-launch:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 31px rgba(20, 25, 53, 0.26);
}

.real-demo-play {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(145deg, #7656e3, #4e2bb9);
  color: #fff;
  font-size: 12px;
}

.real-demo-frame-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background: #fff;
}

.real-demo-frame-wrap iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.real-demo-loading {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 30px;
  background: linear-gradient(145deg, #f8fbfb, #f5f3ff);
  color: #526376;
  text-align: center;
}

.real-demo-loading.is-hidden {
  display: none;
}

.real-demo-loading strong {
  font-size: 14px;
}

.real-demo-loading > span:last-child {
  font-size: 12px;
  color: #7b8898;
}

.real-demo-spinner {
  width: 31px;
  height: 31px;
  border: 3px solid #ded8f7;
  border-top-color: #694bd6;
  border-radius: 50%;
  animation: realDemoSpin 0.8s linear infinite;
}

@keyframes realDemoSpin {
  to {
    transform: rotate(360deg);
  }
}

.real-demo-foot {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 12px 17px 13px;
  border-top: 1px solid #edf0f4;
  background: #fbfcfe;
  color: #738092;
  font-size: 12px;
  line-height: 1.6;
}

@media (max-width: 1050px) {
  .real-demo-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 34px;
  }

  .real-demo-stage {
    height: 560px;
  }
}

@media (max-width: 950px) {
  .real-demo-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .real-demo-copy {
    max-width: 720px;
  }

  .real-demo-area {
    max-width: 850px;
    width: 100%;
    margin: 0 auto;
  }

  .real-demo-stage {
    height: min(650px, 68vw);
    min-height: 520px;
  }
}

@media (max-width: 650px) {
  .real-demo-tabs {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .real-demo-tab {
    min-height: 54px;
    padding: 8px 12px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .real-demo-tab small {
    margin-top: 0;
  }

  .real-demo-shell {
    border-radius: 19px;
  }

  .real-demo-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 13px;
  }

  .real-demo-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .real-demo-stage {
    height: 550px;
    min-height: 550px;
  }

  .real-demo-poster img {
    object-position: 58% top;
  }

  .real-demo-vignette {
    background: linear-gradient(
      0deg,
      rgba(20, 32, 49, 0.84) 0%,
      rgba(20, 32, 49, 0.62) 46%,
      rgba(20, 32, 49, 0.1) 78%,
      transparent 100%
    );
  }

  .real-demo-poster-copy {
    left: 18px;
    right: 18px;
    top: auto;
    bottom: 22px;
    width: auto;
    transform: none;
  }

  .real-demo-poster-copy strong {
    font-size: 26px;
  }

  .real-demo-poster-copy p {
    max-width: none;
    margin: 9px 0 15px;
    font-size: 12px;
  }

  .real-demo-foot {
    flex-direction: column;
    gap: 4px;
    padding: 11px 13px;
  }
}

@media (max-width: 430px) {
  .real-demo-stage {
    height: 500px;
    min-height: 500px;
  }

  .real-demo-status,
  .real-demo-close,
  .real-demo-newtab {
    min-height: 32px;
    padding: 6px 9px;
  }

  .real-demo-poster-copy strong {
    font-size: 24px;
  }

  .real-demo-launch {
    min-height: 45px;
    padding: 9px 15px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .real-demo-spinner {
    animation: none;
  }
}

@media (max-width: 430px) {
  .experience-stage {
    height: 205px;
  }

  .experience-image {
    padding: 9px 11px;
  }
}

/* v4.2.8: annual pricing plan added */
.real-demo-foot:has(span:only-child) {
  justify-content: flex-end;
}

/* v4.2.9: Tシャツ2Dサンプル・実物デモ対応 */
.experience-stage-shirt {
  background: #fff !important;
}

.experience-image-shirt {
  padding: 10px 12px;
  object-fit: contain;
  object-position: 50% 50%;
}

@media (max-width: 650px) {
  .experience-image-shirt {
    padding: 8px 8px;
  }
}

/* ===== v4.3.1: Hero → About の余白整理 =====
       PCではファーストビュー直後の空白を大きく圧縮。
       タブレットは軽く圧縮。650px以下のスマホは従来値をそのまま維持する。 */
@media (min-width: 951px) {
  .hero {
    padding-bottom: 62px;
  }

  #about.section {
    padding-top: 36px;
  }

  #about .intro-grid {
    align-items: start;
  }

  #about .intro-copy h2 {
    margin-top: 0;
  }
}

@media (min-width: 651px) and (max-width: 950px) {
  .hero {
    padding-bottom: 80px;
  }

  #about.section {
    padding-top: 46px;
  }

  #about .intro-copy h2 {
    margin-top: 8px;
  }
}

/* v4.3.0: FEATURES / rk1.jpg～rk6.jpg の右寄せ回り込み表示 */
#features .feature-card {
  display: flow-root;
  min-height: 228px;
  padding: 25px 23px 26px;
  overflow: hidden;
}

#features .feature-card .feature-illust {
  float: right;
  display: block;
  width: 116px;
  height: 116px;
  margin: 0 0 13px 18px;
  border-radius: 18px;
  object-fit: cover;
  object-position: center;
  background: #f8fafc;
  border: 1px solid #eef1f6;
  box-shadow: 0 9px 24px rgba(43, 58, 92, 0.08);
}

#features .feature-card h3 {
  margin: 2px 0 10px;
  font-size: 19px;
  line-height: 1.55;
}

#features .feature-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #46596a;
}

/* 旧アイコン・連番表記はHTMLから削除済み。念のため非表示。 */
#features .feature-card .icon-box,
#features .feature-card .feature-id {
  display: none !important;
}

@media (max-width: 950px) {
  #features .feature-card {
    min-height: 218px;
  }

  #features .feature-card .feature-illust {
    width: 108px;
    height: 108px;
    margin-left: 16px;
  }
}

@media (max-width: 650px) {
  #features .feature-card {
    min-height: 0;
    padding: 21px 19px 22px;
  }

  #features .feature-card .feature-illust {
    width: 92px;
    height: 92px;
    margin: 0 0 10px 14px;
    border-radius: 15px;
  }

  #features .feature-card h3 {
    margin-top: 0;
    font-size: 18px;
  }

  #features .feature-card p {
    font-size: 14px;
    line-height: 1.82;
  }
}

@media (max-width: 380px) {
  #features .feature-card .feature-illust {
    width: 82px;
    height: 82px;
    margin-left: 12px;
  }
}

/* ===== v4.3.2: 出力後の利用・保守案内 ===== */
.support-panel {
  max-width: 1060px;
  margin: 30px auto 0;
  padding: 28px;
  border: 1px solid #dfe7ee;
  border-radius: 22px;
  background:
    radial-gradient(
      circle at 100% 0,
      rgba(222, 248, 239, 0.72),
      transparent 34%
    ),
    linear-gradient(135deg, #fff 0%, #fbfdff 100%);
  box-shadow: 0 14px 38px rgba(42, 59, 86, 0.055);
}

.support-panel-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.support-mark {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #e7f8f1;
  color: #128566;
  font-size: 19px;
  font-weight: 950;
}

.support-kicker {
  display: block;
  margin-bottom: 4px;
  color: #188262;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.support-panel h3 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.5;
  letter-spacing: -0.025em;
}

.support-panel-head p {
  margin: 0;
  color: #5e6c7e;
  font-size: 13px;
  line-height: 1.9;
}

.support-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.support-point {
  padding: 17px 17px 18px;
  border: 1px solid #e6ebf2;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.9);
}

.support-point b {
  display: block;
  margin-bottom: 6px;
  color: #25354a;
  font-size: 13px;
}

.support-point p {
  margin: 0;
  color: #68778a;
  font-size: 12px;
  line-height: 1.85;
}

.support-point-emphasis {
  border-color: #ccecdf;
  background: #f3fbf8;
}

.support-point-emphasis b {
  color: #14775d;
}

.support-contract {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  margin-top: 16px;
  padding: 21px 22px;
  border: 1px solid #cce9df;
  border-radius: 17px;
  background: #edf9f5;
}

.support-contract-label {
  display: inline-flex;
  margin-bottom: 6px;
  padding: 4px 9px;
  border-radius: 99px;
  background: #d8f2e9;
  color: #17795f;
  font-size: 12px;
  font-weight: 900;
}

.support-contract-copy strong {
  display: block;
  color: #193e36;
  font-size: 15px;
  line-height: 1.75;
}

.support-contract-copy p {
  margin: 5px 0 0;
  color: #58736b;
  font-size: 12px;
  line-height: 1.8;
}

.support-price-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px;
}

.support-price {
  min-width: 128px;
  padding: 12px 14px;
  border: 1px solid #d5e9e1;
  border-radius: 13px;
  background: #fff;
  text-align: center;
}

.support-price small {
  display: block;
  margin-bottom: 2px;
  color: #69827a;
  font-size: 12px;
  font-weight: 800;
}

.support-price strong {
  color: #176e58;
  font-size: 18px;
  line-height: 1.35;
  white-space: nowrap;
}

.support-price strong span {
  font-size: 12px;
  font-weight: 700;
}

.support-caution {
  margin: 13px 0 0;
  color: #7d8794;
  font-size: 12px;
  line-height: 1.75;
}

@media (max-width: 950px) {
  .support-panel {
    padding: 24px;
  }

  .support-points {
    grid-template-columns: 1fr;
  }

  .support-contract {
    grid-template-columns: 1fr;
  }

  .support-price-list {
    width: 100%;
  }
}

@media (max-width: 650px) {
  .support-panel {
    margin-top: 24px;
    padding: 19px 17px;
    border-radius: 18px;
  }

  .support-panel-head {
    gap: 12px;
  }

  .support-mark {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    font-size: 16px;
  }

  .support-panel h3 {
    font-size: 18px;
  }

  .support-points {
    gap: 9px;
    margin-top: 18px;
  }

  .support-point {
    padding: 14px;
  }

  .support-contract {
    gap: 15px;
    padding: 17px 15px;
  }

  .support-price-list {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .support-price {
    min-width: 0;
    padding: 11px 8px;
  }

  .support-price strong {
    font-size: 16px;
  }
}

@media (max-width: 380px) {
  .support-price-list {
    grid-template-columns: 1fr;
  }
}

/* ===== v4.3.3: 見積太郎ワールド / 関連Web3Dコンテンツ ===== */
.world-lab {
  padding: 0 0 72px;
  background: #fff;
}

.world-lab-card {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  overflow: hidden;
  border: 1px solid #e1e7f0;
  border-radius: 26px;
  background:
    radial-gradient(
      circle at 10% 0,
      rgba(228, 241, 255, 0.64),
      transparent 42%
    ),
    linear-gradient(135deg, #fbfdff 0%, #f6f9ff 100%);
  box-shadow: 0 18px 48px rgba(31, 54, 92, 0.07);
}

.world-lab-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 42px 42px 40px;
}

.world-lab-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  margin-bottom: 14px;
  color: #365ca8;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.world-lab-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: #5077c7;
}

.world-lab-copy h2 {
  margin: 0 0 14px;
  color: #18283d;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.4;
  letter-spacing: -0.045em;
}

.world-lab-copy p {
  margin: 0;
  color: #5b6c80;
  font-size: 14px;
  line-height: 1.95;
}

.world-lab-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 25px;
}

.world-lab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 11px 22px;
  border: 1px solid #b9caec;
  border-radius: 999px;
  background: #fff;
  color: #315cb7;
  font-size: 13px;
  font-weight: 850;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.world-lab-btn:hover {
  transform: translateY(-2px);
  border-color: #6f91d3;
  box-shadow: 0 10px 24px rgba(54, 92, 168, 0.12);
}

.world-lab-note {
  margin-top: 16px !important;
  color: #7d8999 !important;
  font-size: 12px !important;
  line-height: 1.75 !important;
}

.world-lab-visual {
  min-width: 0;
  min-height: 300px;
  background: #e8effa;
}

.world-lab-visual a {
  display: block;
  width: 100%;
  height: 100%;
}

.world-lab-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.35s ease;
}

.world-lab-visual a:hover img {
  transform: scale(1.015);
}

@media (max-width: 950px) {
  .world-lab {
    padding-bottom: 58px;
  }

  .world-lab-card {
    grid-template-columns: 1fr 1fr;
  }

  .world-lab-copy {
    padding: 32px 30px;
  }

  .world-lab-visual,
  .world-lab-visual img {
    min-height: 270px;
  }
}

@media (max-width: 650px) {
  .world-lab {
    padding-bottom: 44px;
  }

  .world-lab-card {
    grid-template-columns: 1fr;
    border-radius: 20px;
  }

  .world-lab-copy {
    padding: 25px 20px 27px;
  }

  .world-lab-copy h2 {
    font-size: 28px;
  }

  .world-lab-copy p {
    font-size: 13px;
  }

  .world-lab-visual {
    order: -1;
    min-height: 0;
  }

  .world-lab-visual img {
    min-height: 0;
    aspect-ratio: 1200 / 630;
  }

  .world-lab-actions {
    margin-top: 20px;
  }

  .world-lab-btn {
    width: 100%;
  }
}

/* ===== v4.3.7: 3D見積シミュレーターとは？ / コンテンツSEO解説 ===== */
.seo-explainer {
  background:
    radial-gradient(circle at 8% 0, rgba(104, 78, 218, 0.045), transparent 30%),
    radial-gradient(
      circle at 94% 95%,
      rgba(18, 169, 133, 0.05),
      transparent 28%
    ),
    #fbfcff;
}

.seo-explainer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: 42px;
  align-items: center;
}

.seo-explainer-copy {
  min-width: 0;
}

.seo-explainer-copy h2 {
  margin: 0 0 16px;
  color: #17283d;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.35;
  letter-spacing: -0.045em;
}

.seo-explainer-lead {
  margin: 0;
  color: #4f6277;
  font-size: 15px;
  line-height: 2;
}

.seo-explainer-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.seo-explainer-point {
  padding: 19px 19px 20px;
  border: 1px solid #e1e8ef;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
}

.seo-explainer-label {
  display: inline-flex;
  margin-bottom: 9px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #eef8f4;
  color: #14795c;
  font-size: 12px;
  font-weight: 900;
}

.seo-explainer-point h3 {
  margin: 0;
  color: #24394f;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -0.025em;
}

.seo-explainer-point p {
  margin: 9px 0 0;
  color: #68778a;
  font-size: 13px;
  line-height: 1.85;
}

.seo-explainer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.seo-explainer-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 11px;
  border: 1px solid #dfe6f0;
  border-radius: 999px;
  background: #fff;
  color: #52657a;
  font-size: 12px;
  font-weight: 800;
}

.seo-explainer-visual {
  min-width: 0;
  margin: 0;
}

/* Mobile-only 2D example: shown directly after the explainer lead on smartphones. */
.seo-explainer-mobile-visual {
  display: none;
  margin: 0;
}

.seo-explainer-mobile-image {
  position: relative;
  overflow: hidden;
  border: 1px solid #dfe6ee;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(34, 53, 78, 0.08);
}

.seo-explainer-mobile-image img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1500 / 702;
  object-fit: cover;
  object-position: center;
}

.seo-explainer-mobile-image span {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  min-height: 31px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #284765;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.4;
  box-shadow: 0 7px 20px rgba(32, 52, 76, 0.1);
  backdrop-filter: blur(8px);
}

.seo-explainer-mobile-visual figcaption {
  margin-top: 8px;
  color: #6f7f91;
  font-size: 12px;
  line-height: 1.75;
}

.seo-explainer-image-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid #dfe6ee;
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(34, 53, 78, 0.08);
}

.seo-explainer-image-wrap img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1500 / 697;
  object-fit: cover;
  object-position: center;
}

.seo-explainer-image-label {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #284765;
  font-size: 12px;
  font-weight: 900;
  box-shadow: 0 8px 22px rgba(32, 52, 76, 0.11);
  backdrop-filter: blur(8px);
}

.seo-explainer-visual figcaption {
  margin-top: 10px;
  color: #7b8796;
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 1050px) {
  .seo-explainer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .seo-explainer-visual {
    max-width: 820px;
  }
}

@media (max-width: 650px) {
  .seo-explainer-grid {
    gap: 22px;
  }

  .seo-explainer-copy h2 {
    font-size: 30px;
  }

  .seo-explainer-lead {
    font-size: 14px;
    line-height: 1.9;
  }

  .seo-explainer-mobile-visual {
    display: block;
    margin: 18px 0 22px;
  }

  .seo-explainer-mobile-image {
    border-radius: 16px;
  }

  .seo-explainer-mobile-image span {
    left: 10px;
    bottom: 10px;
    min-height: 29px;
    padding: 5px 9px;
  }

  /* On smartphones, replace the lower 3D figure with the 2D example above
         to keep the section compact and avoid two large screenshots in a row. */
  .seo-explainer-grid > .seo-explainer-visual {
    display: none;
  }

  .seo-explainer-points {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
  }

  .seo-explainer-point {
    padding: 16px;
    border-radius: 15px;
  }

  .seo-explainer-point h3 {
    font-size: 17px;
  }

  .seo-explainer-image-wrap {
    border-radius: 18px;
  }

  .seo-explainer-image-label {
    left: 11px;
    bottom: 11px;
    min-height: 31px;
    padding: 5px 9px;
  }

  .seo-explainer-visual figcaption {
    font-size: 12px;
  }
}

/* ===== v4.3.9 / responsive header & demo control alignment ===== */
@media (max-width: 650px) {
  .nav-actions {
    gap: 6px;
    margin-left: auto;
  }

  .nav-actions .btn {
    padding-inline: 10px;
  }

  .hero-live-head {
    flex-direction: row;
    align-items: center;
  }

  .hero-live-actions {
    width: 100%;
  }

  .real-demo-head {
    align-items: stretch;
  }

  .real-demo-actions {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .brand-logo-link,
  .brand-logo {
    width: 35px;
    height: 35px;
  }

  .brand-title {
    font-size: 17px;
  }

  .brand-note {
    font-size: 12px;
  }

  .nav-actions {
    gap: 5px;
  }

  .nav-actions .login-link {
    padding-inline: 5px;
  }

  .nav-actions .btn {
    padding-inline: 8px;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }
}

/* ===== Experience CTA / 実物デモへの導線を明確化 ===== */
.experience-demo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-width: 210px;
  min-height: 52px;
  padding: 12px 20px 12px 23px;
  border: 1px solid rgba(78, 47, 191, 0.18);
  border-radius: 999px;
  background: linear-gradient(110deg, #7654e5 0%, #5632cc 58%, #4530bd 100%);
  color: #fff !important;
  font-size: 14px !important;
  font-weight: 900;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(86, 50, 204, 0.22);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease;
}

.experience-demo-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(86, 50, 204, 0.29);
  filter: brightness(1.03);
}

.experience-demo-button:active {
  transform: translateY(0);
}

.experience-demo-button-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 16px;
  line-height: 1;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

.experience-demo-button:hover .experience-demo-button-icon {
  transform: translateY(2px);
  background: rgba(255, 255, 255, 0.24);
}

@media (max-width: 650px) {
  .experience-cta .experience-demo-button {
    width: 100%;
    min-width: 0;
    min-height: 50px;
  }
}

/* ===== LP integration / CSP-safe inline-style replacements ===== */
.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.hero-product-fill {
  fill: var(--hero-product-color, #6c58d9);
}
.copyright-product {
  margin-left: 10px;
}
/* ===== GLB maker cross-links / 2026-10 ===== */

.hero-glb-helper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 15px;
  padding: 11px 14px 11px 16px;
  border: 1px solid #ddd7fb;
  border-radius: 16px;
  background: linear-gradient(
    120deg,
    rgba(248, 246, 255, 0.96),
    rgba(239, 251, 249, 0.92)
  );
  box-shadow: 0 8px 24px rgba(74, 54, 153, 0.06);
}

.hero-glb-helper-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.hero-glb-helper-copy span {
  color: #7159cf;
  font-size: 11px;
  font-weight: 850;
  line-height: 1.4;
}

.hero-glb-helper-copy b {
  color: #27324a;
  font-size: 13px;
  line-height: 1.55;
}

.hero-glb-helper > a {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #5535c9;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.hero-glb-helper > a:hover {
  text-decoration: underline;
}

.glb-maker-promo {
  position: relative;
  padding-top: 36px;
  padding-bottom: 72px;
}

.glb-maker-promo-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 34px;
  align-items: center;
  padding: 34px;
  border: 1px solid #dfe5f1;
  border-radius: 30px;
  background:
    radial-gradient(
      circle at 14% 12%,
      rgba(200, 248, 236, 0.52),
      transparent 28%
    ),
    radial-gradient(
      circle at 92% 9%,
      rgba(221, 210, 255, 0.58),
      transparent 30%
    ),
    linear-gradient(135deg, #fbfffd 0%, #faf8ff 100%);
  box-shadow: 0 24px 70px rgba(41, 45, 91, 0.09);
}

.glb-maker-promo-card::before {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  left: -74px;
  bottom: -92px;
  border-radius: 50%;
  background: rgba(91, 208, 183, 0.1);
  pointer-events: none;
}

.glb-maker-promo-copy {
  position: relative;
  z-index: 1;
}

.glb-maker-promo-copy h2 {
  margin: 12px 0 15px;
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.48;
  letter-spacing: -0.045em;
}

.glb-maker-promo-lead {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

.glb-maker-promo-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 22px;
}

.glb-maker-promo-points span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid #e1def4;
  background: rgba(255, 255, 255, 0.86);
  color: #4b5267;
  font-size: 11px;
  font-weight: 800;
}

.glb-maker-promo-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
}

.glb-maker-promo-actions small {
  color: #777287;
  font-size: 10px;
  line-height: 1.55;
}

.glb-maker-promo-visual {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid #e1e5ee;
  background: #fff;
  box-shadow: 0 18px 46px rgba(43, 50, 97, 0.13);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.glb-maker-promo-visual:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 54px rgba(43, 50, 97, 0.18);
}

.glb-maker-promo-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
}

.glb-maker-promo-visual > span {
  position: absolute;
  right: 14px;
  bottom: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(30, 33, 60, 0.86);
  color: #fff;
  font-size: 11px;
  font-weight: 850;
  backdrop-filter: blur(10px);
}

.how-glb-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 13px;
  padding: 8px 10px;
  border-radius: 11px;
  background: #f3efff;
  color: #5638c2;
  font-size: 10px;
  font-weight: 850;
  line-height: 1.5;
}

.how-glb-link:hover {
  background: #ebe5ff;
  text-decoration: underline;
}

@media (max-width: 980px) {
  .glb-maker-promo-card {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .glb-maker-promo-visual {
    max-width: 760px;
    margin: 0 auto;
  }
}

@media (max-width: 680px) {
  .hero-glb-helper {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 13px;
  }

  .hero-glb-helper > a {
    white-space: normal;
  }

  .glb-maker-promo {
    padding-top: 18px;
    padding-bottom: 52px;
  }

  .glb-maker-promo-card {
    gap: 20px;
    padding: 20px;
    border-radius: 22px;
  }

  .glb-maker-promo-copy h2 {
    font-size: 27px;
  }

  .glb-maker-promo-lead {
    font-size: 14px;
  }

  .glb-maker-promo-points {
    display: grid;
    gap: 7px;
  }

  .glb-maker-promo-points span {
    width: 100%;
    border-radius: 12px;
  }

  .glb-maker-promo-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .glb-maker-promo-actions .btn {
    width: 100%;
  }

  .glb-maker-promo-visual > span {
    right: 9px;
    bottom: 9px;
    max-width: calc(100% - 18px);
    font-size: 10px;
  }
}

/* ===== 見積太郎シリーズ比較（見積太郎3 LP） ===== */
.mt3-series-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 10% 12%,
      rgba(99, 72, 215, 0.08),
      transparent 28%
    ),
    radial-gradient(circle at 91% 8%, rgba(8, 169, 129, 0.07), transparent 26%),
    #f8f9fd;
}
.mt3-series-head {
  max-width: 880px;
}
.mt3-series-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}
.mt3-series-card {
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #e0e4ef;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(38, 45, 83, 0.08);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.mt3-series-card:hover {
  transform: translateY(-4px);
  border-color: #cfd4e4;
  box-shadow: 0 22px 54px rgba(38, 45, 83, 0.13);
}
.mt3-series-card.is-current {
  border: 2px solid rgba(99, 72, 215, 0.56);
  box-shadow: 0 22px 58px rgba(99, 72, 215, 0.15);
}
.mt3-series-media {
  position: relative;
  height: 232px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f7f9fd 0%, #f4f6fb 100%);
  border-bottom: 1px solid #e8ebf2;
}
.mt3-series-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.mt3-series-model,
.mt3-series-current {
  position: absolute;
  z-index: 2;
  top: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 29px;
  padding: 5px 11px;
  border-radius: 999px;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.08em;
}
.mt3-series-model {
  left: 13px;
  background: #263d63;
}
.mt3-series-card.is-current .mt3-series-model {
  background: linear-gradient(135deg, #7651e3 0%, #5431c7 100%);
  box-shadow: 0 8px 18px rgba(84, 49, 199, 0.24);
}
.mt3-series-current {
  right: 13px;
  background: linear-gradient(135deg, #7651e3 0%, #5431c7 100%);
  box-shadow: 0 8px 18px rgba(84, 49, 199, 0.22);
  letter-spacing: 0.03em;
}
.mt3-series-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 25px 23px 23px;
}
.mt3-series-name {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
  line-height: 1.45;
}
.mt3-series-catch {
  margin: 5px 0 13px;
  color: #38445c;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.55;
}
.mt3-series-card.is-current .mt3-series-catch {
  color: var(--purple);
}
.mt3-series-desc {
  flex: 1;
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}
.mt3-series-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 16px;
}
.mt3-series-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #f1f3f8;
  color: #4d576b;
  font-size: 10px;
  font-weight: 850;
  line-height: 1.35;
}
.mt3-series-card.is-current .mt3-series-tags span {
  background: #f1edff;
  color: #5638c2;
}
.mt3-series-link,
.mt3-series-current-note {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  margin-top: auto;
  padding: 10px 14px;
  border-radius: 13px;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.4;
  text-align: center;
}
.mt3-series-link {
  background: #263d63;
  color: #fff;
  box-shadow: 0 10px 22px rgba(38, 61, 99, 0.14);
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}
.mt3-series-link:hover,
.mt3-series-link:focus-visible {
  transform: translateY(-1px);
  background: #172b4c;
  box-shadow: 0 13px 27px rgba(38, 61, 99, 0.2);
}
.mt3-series-current-note {
  border: 1px solid rgba(99, 72, 215, 0.34);
  background: linear-gradient(135deg, #f5f1ff 0%, #eee9ff 100%);
  color: #5134ba;
}
.mt3-series-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  margin-top: 20px;
  border: 1px solid #dde2ec;
  border-radius: 17px;
  background: #dde2ec;
  gap: 1px;
}
.mt3-series-guide-item {
  min-width: 0;
  display: grid;
  gap: 5px;
  align-content: center;
  min-height: 94px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.96);
  text-align: center;
}
.mt3-series-guide-item strong {
  color: #333e53;
  font-size: 12px;
  line-height: 1.55;
}
.mt3-series-guide-item span {
  color: #53617a;
  font-size: 11px;
  font-weight: 850;
}
.mt3-series-guide-item.is-current {
  background: linear-gradient(135deg, #faf8ff 0%, #f4f0ff 100%);
}
.mt3-series-guide-item.is-current span {
  color: var(--purple);
}
@media (max-width: 980px) {
  .mt3-series-grid {
    grid-template-columns: 1fr;
    max-width: 720px;
    margin: 0 auto;
  }
  .mt3-series-card {
    display: grid;
    grid-template-columns: minmax(220px, 0.82fr) minmax(0, 1.18fr);
  }
  .mt3-series-media {
    height: auto;
    min-height: 290px;
    border-right: 1px solid #e8ebf2;
    border-bottom: 0;
  }
  .mt3-series-guide {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 680px) {
  .mt3-series-section {
    padding-top: 66px;
    padding-bottom: 66px;
  }
  .mt3-series-head p br {
    display: none;
  }
  .mt3-series-card {
    display: flex;
  }
  .mt3-series-media {
    height: 210px;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid #e8ebf2;
  }
  .mt3-series-body {
    padding: 21px 18px 19px;
  }
  .mt3-series-name {
    font-size: 20px;
  }
  .mt3-series-current {
    max-width: calc(100% - 110px);
    font-size: 9px;
  }
  .mt3-series-guide-item {
    min-height: 78px;
    padding: 15px 14px;
  }
}

/* ===== v4.3.13 / Mobile header restoration =====
   スマホではヘッダーを固定追随し、ログインをハンバーガーメニュー内へ移動。
   ヘッダー要素の横幅超過によるページ全体の横スクロールも防止する。 */
/* PCではナビ先頭のモバイル用ログインを確実に隠す。
   .nav-links a の display:inline-flex より高い詳細度にする。 */
.nav-links > .nav-mobile-login {
  display: none !important;
}

@media (max-width: 650px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  html {
    scroll-padding-top: 88px;
  }

  body {
    padding-top: 73px;
  }

  .site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: 73px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 233, 240, 0.9);
    box-shadow: 0 4px 18px rgba(25, 40, 59, 0.07);
  }

  .site-header .nav {
    width: calc(100% - 20px);
    max-width: none;
    min-width: 0;
    height: 100%;
    margin-inline: auto;
    gap: 8px;
  }

  /* スマホではログインをヘッダーから外し、メニュー内だけに表示 */
  .nav-actions > .login-link {
    display: none !important;
  }

  .nav-actions {
    flex: none;
    gap: 6px;
    margin-left: auto;
    min-width: 0;
  }

  .nav-actions .btn {
    min-height: 42px;
    padding: 8px 9px;
    font-size: 12px;
    line-height: 1.2;
    white-space: nowrap;
  }

  .menu-toggle {
    display: inline-flex;
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 7px;
    overflow: hidden;
  }

  .brand-logo-link,
  .brand-logo {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
  }

  .brand-text {
    min-width: 0;
    overflow: hidden;
  }

  .brand-title-link {
    max-width: 100%;
  }

  .brand-title {
    font-size: 18px;
    white-space: nowrap;
  }

  .brand-note {
    max-width: 100%;
    overflow: hidden;
    font-size: 12px;
    letter-spacing: 0.01em;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-links.is-open {
    position: fixed;
    top: 73px;
    right: 0;
    left: 0;
    z-index: 999;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    max-height: calc(100vh - 73px);
    max-height: calc(100dvh - 73px);
    padding: 12px 16px 18px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: rgba(255, 255, 255, 0.985);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 34px rgba(27, 36, 66, 0.13);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  .nav-links.is-open a,
  .nav-links.is-open a + a {
    min-width: 0;
    min-height: 44px;
    padding: 10px 11px;
    border: 1px solid #e4e9f1;
    border-radius: 12px;
    background: #fbfcff;
    font-size: 13px;
    line-height: 1.35;
    justify-content: flex-start;
    white-space: normal;
  }

  .nav-links.is-open a:hover,
  .nav-links.is-open a:focus-visible {
    border-color: #d4c9f6;
    background: #f7f4ff;
    color: var(--purple);
  }

  .nav-links.is-open .nav-mobile-login {
    order: -1;
    grid-column: 1 / -1;
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    color: #4f31bf;
    background: linear-gradient(180deg, #faf8ff 0%, #f4f0ff 100%);
    border-color: #cfc4f4;
    font-size: 14px;
    font-weight: 900;
  }
}

@media (max-width: 390px) {
  .site-header .nav {
    width: calc(100% - 16px);
    gap: 6px;
  }

  .brand {
    gap: 6px;
  }

  .brand-logo-link,
  .brand-logo {
    width: 34px;
    height: 34px;
  }

  .brand-title {
    font-size: 17px;
  }

  .brand-note {
    font-size: 11px;
  }

  .nav-actions {
    gap: 5px;
  }

  .nav-actions .btn {
    min-height: 40px;
    padding-inline: 8px;
    font-size: 11px;
  }

  .menu-toggle {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 350px) {
  .brand-note {
    display: none;
  }

  .brand-title {
    font-size: 16px;
  }

  .nav-actions .btn {
    padding-inline: 7px;
  }
}

/* ===== v4.3.14 / MODEL 3 click-to-GLB play =====
   見積太郎3のシリーズ画像をクリックすると、GLBが画面上へ次々と現れる遊び。 */
.mt3-series-glb-trigger {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.mt3-series-glb-trigger img {
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  transition:
    transform 0.22s ease,
    filter 0.22s ease;
}

.mt3-series-glb-trigger:hover img,
.mt3-series-glb-trigger:focus-visible img {
  transform: scale(1.025);
  filter: saturate(1.05);
}

.mt3-series-glb-trigger:focus-visible {
  outline: 3px solid rgba(111, 76, 224, 0.44);
  outline-offset: -5px;
}

.mt3-series-glb-trigger.is-pulse img {
  animation: mt3SeriesGlbPulse 0.72s ease;
}

.mt3-series-glb-trigger.is-busy {
  cursor: progress;
}

.mt3-series-model,
.mt3-series-current {
  pointer-events: none;
}

.mt3-series-glb-status {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.mt3-glb-play-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.18s ease,
    visibility 0.18s ease;
}

.mt3-glb-play-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.mt3-glb-play-canvas {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

@keyframes mt3SeriesGlbPulse {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(0.96);
  }
  70% {
    transform: scale(1.035);
  }
  100% {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mt3-series-glb-trigger img,
  .mt3-glb-play-overlay {
    transition: none !important;
  }

  .mt3-series-glb-trigger.is-pulse img {
    animation: none !important;
  }
}

/* スマホのフッター補助リンクは本文より控えめにする */
@media (max-width: 650px) {
  .footer-links {
    font-size: 11px;
    font-weight: 600;
    line-height: 1.6;
    gap: 7px 12px;
    color: #5f6b7c;
    margin-top: 4px;
  }

  .footer-links a {
    color: inherit;
    text-decoration: none;
  }

  .footer-links a:hover,
  .footer-links a:focus-visible {
    color: var(--purple);
    text-decoration: underline;
  }
}

.publish-offline-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 20px;
  padding: 20px 22px;
  border: 1px solid #cce9dc;
  border-radius: 16px;
  background: linear-gradient(115deg, #edf9f4, #f8fcfa);
}
.publish-offline-note-icon {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: #d9f3e8;
  color: #187c61;
}
.publish-offline-note h3 {
  margin: 0 0 7px;
  color: #174a40;
  font-size: 1.1rem;
  line-height: 1.5;
}
.publish-offline-note p {
  margin: 0 0 9px;
  color: #314f49;
  line-height: 1.85;
}
.publish-offline-note small {
  display: block;
  color: #516960;
  line-height: 1.7;
  font-size: 0.82rem;
}
@media (max-width: 600px) {
  .publish-offline-note {
    gap: 12px;
    padding: 16px;
  }
  .publish-offline-note-icon {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }
  .publish-offline-note-icon svg {
    width: 21px;
    height: 21px;
  }
  .publish-offline-note h3 {
    font-size: 1rem;
  }
  .publish-offline-note p {
    font-size: 0.9rem;
  }
}