:root {
  --ink: #10243a;
  --ink-soft: #203a54;
  --paper: #f5f1e9;
  --paper-deep: #e9e2d6;
  --white: #fffdfa;
  --muted: #637181;
  --line: rgba(16, 36, 58, 0.16);
  --coral: #c83e49;
  --coral-dark: #9e2d39;
  --gold: #e5ac34;
  --gold-soft: #f5dfaa;
  --teal: #198f9d;
  --sage: #dfe9e4;
  --shell: min(1180px, calc(100% - 48px));
  --shadow: 0 20px 60px rgba(16, 36, 58, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(16, 36, 58, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 36, 58, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 34px 34px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 15% 5%, rgba(200, 62, 73, 0.08), transparent 28rem);
  content: "";
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(16, 36, 58, 0.1);
  background: rgba(245, 241, 233, 0.88);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: var(--coral);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.08em;
  transform: rotate(-4deg);
}

.brand-text {
  display: grid;
  gap: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.53rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--coral);
}

.site-nav .nav-action {
  padding: 9px 16px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
}

.site-nav .nav-action:hover {
  color: var(--ink);
  background: transparent;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--coral-dark);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.eyebrow span {
  color: var(--gold);
}

.eyebrow-light {
  color: var(--gold-soft);
}

.hero {
  position: relative;
  display: grid;
  min-height: 700px;
  grid-template-columns: minmax(0, 0.88fr) minmax(380px, 0.92fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  overflow: clip;
  padding-top: 60px;
  padding-bottom: 92px;
}

.hero::before {
  position: absolute;
  top: 42px;
  bottom: 40px;
  left: -8vw;
  width: 1px;
  background: linear-gradient(transparent, rgba(200, 62, 73, 0.45), transparent);
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 585px;
  padding: 34px 0 18px;
}

.hero h1 {
  max-width: 600px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.7rem, 7.2vw, 6.8rem);
  font-weight: 850;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.hero h1 span {
  display: block;
  color: var(--coral);
}

.hero-lead {
  max-width: 520px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.13rem);
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 12px 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--coral);
  box-shadow: 0 10px 24px rgba(200, 62, 73, 0.22);
}

.button-primary:hover {
  background: var(--coral-dark);
}

.button-quiet {
  color: var(--ink);
  border-color: var(--line);
  background: transparent;
}

.button-quiet:hover {
  border-color: var(--ink);
  background: rgba(255, 253, 250, 0.72);
}

.button-gold {
  color: var(--ink);
  background: var(--gold);
}

.button-gold:hover {
  background: #f1bd45;
}

.button-light {
  color: var(--ink);
  background: var(--white);
}

.button-light:hover {
  background: var(--gold-soft);
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 42px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(25, 143, 157, 0.12);
}

.hero-note-divider {
  width: 18px;
  height: 1px;
  margin-inline: 4px;
  background: var(--line);
}

.hero-art {
  position: relative;
  width: min(100%, 540px);
  min-height: 650px;
  justify-self: end;
}

.hero-art-glow {
  position: absolute;
  top: -24px;
  right: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(229, 172, 52, 0.75), rgba(229, 172, 52, 0) 68%);
}

.hero-art-frame {
  position: relative;
  height: 620px;
  overflow: hidden;
  border: 12px solid var(--white);
  border-radius: 18px 118px 18px 18px;
  background: #d7e5e4;
  box-shadow: var(--shadow), 24px 24px 0 rgba(200, 62, 73, 0.13);
  transform: rotate(2.2deg);
}

.hero-art-frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 36, 58, 0.02), transparent 60%, rgba(16, 36, 58, 0.16));
  content: "";
  pointer-events: none;
}

.hero-art-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
}

.hero-art-stamp {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 1;
  width: 76px;
  height: 76px;
  padding-top: 14px;
  color: var(--white);
  background: var(--coral);
  font-size: 0.6rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-align: center;
  transform: rotate(-7deg);
}

.hero-art-stamp span {
  font-size: 0.75rem;
}

.hero-art-caption {
  position: absolute;
  right: -24px;
  bottom: 5px;
  z-index: 2;
  display: flex;
  min-width: 266px;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  color: var(--white);
  background: var(--ink);
  box-shadow: 12px 12px 0 rgba(16, 36, 58, 0.12);
}

.caption-index {
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 800;
}

.hero-art-caption strong,
.hero-art-caption small {
  display: block;
}

.hero-art-caption strong {
  font-size: 0.86rem;
}

.hero-art-caption small {
  margin-top: 2px;
  color: rgba(255, 253, 250, 0.7);
  font-size: 0.69rem;
}

.signal-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-item {
  display: flex;
  min-height: 86px;
  flex-direction: column;
  justify-content: center;
  padding: 14px 20px;
  border-right: 1px solid var(--line);
}

.signal-item:first-child {
  padding-left: 0;
}

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

.signal-item strong {
  color: var(--ink);
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.signal-item span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.section {
  padding-top: 134px;
  padding-bottom: 134px;
}

.section-heading {
  max-width: 650px;
  margin-bottom: 54px;
}

.section-heading-wide {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  align-items: end;
  gap: 60px;
}

.section-heading-narrow {
  max-width: 600px;
}

.section-heading h2,
.bjt-showcase h2,
.closing-callout h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.3rem, 4.8vw, 4.4rem);
  font-weight: 850;
  letter-spacing: -0.07em;
  line-height: 1.08;
}

.section-heading h2 span,
.bjt-showcase h2 span,
.closing-callout h2 span {
  color: var(--coral);
}

.section-heading > p,
.section-heading-wide > p {
  max-width: 430px;
  margin: 0 0 6px;
  color: var(--muted);
  line-height: 1.95;
}

.app-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
  align-items: start;
  gap: 20px;
}

.app-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(16, 36, 58, 0.035);
}

.app-card-featured {
  box-shadow: var(--shadow);
  transform: translateY(-12px);
}

.app-media {
  position: relative;
  overflow: hidden;
  background: var(--paper-deep);
}

.app-media-reimu {
  aspect-ratio: 0.91;
}

.app-media-business,
.app-media-android {
  aspect-ratio: 1.52;
}

.app-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.app-card:hover .app-media img {
  transform: scale(1.035);
}

.app-media-reimu img {
  object-position: 50% 35%;
}

.app-media-business img {
  object-position: center;
}

.app-media-android img {
  object-position: center;
}

.media-label {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 6px 10px;
  color: var(--ink);
  background: rgba(255, 253, 250, 0.92);
  border: 1px solid rgba(16, 36, 58, 0.12);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
}

.app-card-body {
  padding: 28px 28px 30px;
}

.app-kicker {
  margin: 0 0 12px;
  color: var(--coral-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.app-kicker span {
  color: var(--gold);
}

.app-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.35rem, 2.2vw, 1.78rem);
  font-weight: 850;
  letter-spacing: -0.05em;
  line-height: 1.25;
}

.app-card-body > p:not(.app-kicker):not(.app-note) {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}

.tag-list span {
  padding: 4px 9px;
  color: var(--ink-soft);
  background: var(--paper);
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 800;
}

.app-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
}

.text-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--coral-dark);
  font-size: 0.81rem;
  font-weight: 850;
  transition: color 160ms ease, gap 160ms ease;
}

.text-button:hover {
  gap: 13px;
  color: var(--ink);
}

.text-button.subtle {
  color: var(--muted);
}

.app-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.75;
}

.bjt-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(330px, 0.84fr);
  align-items: stretch;
  gap: 0;
  overflow: hidden;
  border-radius: 24px;
  background: var(--ink);
  box-shadow: 0 26px 70px rgba(16, 36, 58, 0.22);
}

.bjt-showcase-media {
  position: relative;
  display: flex;
  min-height: 720px;
  padding: 0;
  background: #082038;
}

.bjt-showcase-media img {
  width: 100%;
  height: 100%;
  min-height: 720px;
  object-fit: cover;
  object-position: center 28%;
}

.showcase-label {
  position: absolute;
  bottom: 32px;
  left: 36px;
  padding: 7px 11px;
  color: var(--ink);
  background: var(--gold);
  font-size: 0.66rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.bjt-showcase-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 60px clamp(32px, 5vw, 72px) 60px 36px;
  color: var(--white);
}

.bjt-showcase h2 {
  color: var(--white);
  font-size: clamp(2.5rem, 4.7vw, 4.2rem);
}

.bjt-showcase h2 span {
  color: var(--gold);
}

.bjt-showcase-copy > p:not(.eyebrow) {
  max-width: 430px;
  margin: 26px 0 0;
  color: rgba(255, 253, 250, 0.75);
  font-size: 0.9rem;
  line-height: 1.95;
}

.bjt-facts {
  display: grid;
  width: 100%;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 30px 0 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 253, 250, 0.2);
}

.bjt-facts strong,
.bjt-facts span {
  display: block;
}

.bjt-facts strong {
  color: var(--gold);
  font-size: 1.12rem;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.bjt-facts span {
  margin-top: 5px;
  color: rgba(255, 253, 250, 0.58);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-tinted {
  background: var(--sage);
}

.section-tinted .section-heading h2 span {
  color: var(--teal);
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(16, 36, 58, 0.2);
}

.principle-card {
  min-height: 230px;
  padding: 28px 34px 26px 0;
  border-right: 1px solid rgba(16, 36, 58, 0.2);
}

.principle-card + .principle-card {
  padding-left: 34px;
}

.principle-card:last-child {
  border-right: 0;
}

.principle-number {
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.principle-card h3 {
  margin: 32px 0 0;
  color: var(--ink);
  font-size: 1.2rem;
  letter-spacing: -0.04em;
}

.principle-card p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.9;
}

.route-list {
  border-top: 1px solid var(--line);
}

.route-card {
  display: grid;
  grid-template-columns: 44px 46px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 16px;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background-color 180ms ease;
}

.route-card:hover {
  padding-inline: 15px;
  background: rgba(255, 253, 250, 0.7);
}

.route-index {
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 850;
}

.route-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 900;
}

.route-icon-red {
  color: var(--white);
  background: var(--coral);
}

.route-icon-gold {
  color: var(--ink);
  background: var(--gold);
}

.route-icon-teal {
  color: var(--white);
  background: var(--teal);
}

.route-copy strong,
.route-copy small {
  display: block;
}

.route-copy strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.route-copy small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.74rem;
}

.route-card b {
  color: var(--coral);
  font-size: 1.2rem;
  text-align: right;
}

.faq-section {
  padding-top: 100px;
}

.faq-list {
  max-width: 820px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 23px 44px 23px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 800;
}

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

.faq-list summary::after {
  position: absolute;
  top: 21px;
  right: 4px;
  color: var(--coral);
  content: "+";
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1;
}

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

.faq-list details p {
  max-width: 700px;
  margin: -4px 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
}

.faq-list a {
  color: var(--coral-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.closing-callout {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  min-height: 340px;
  margin-bottom: 134px;
  padding: 66px clamp(32px, 7vw, 90px);
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.closing-callout::after {
  position: absolute;
  width: 330px;
  height: 330px;
  margin-left: 54%;
  border: 1px solid rgba(229, 172, 52, 0.45);
  border-radius: 50%;
  box-shadow: 0 0 0 44px rgba(229, 172, 52, 0.05), 0 0 0 88px rgba(229, 172, 52, 0.035);
  content: "";
  pointer-events: none;
}

.closing-callout > * {
  position: relative;
  z-index: 1;
}

.closing-callout h2 {
  color: var(--white);
  font-size: clamp(2.2rem, 4.4vw, 4rem);
}

.closing-callout h2 span {
  color: var(--gold);
}

.closing-callout p:not(.eyebrow) {
  max-width: 500px;
  margin: 24px 0 0;
  color: rgba(255, 253, 250, 0.72);
  font-size: 0.92rem;
}

.site-footer {
  padding: 70px 0 26px;
  color: rgba(255, 253, 250, 0.78);
  background: #0b1b2d;
}

.site-footer .brand-text {
  color: var(--white);
}

.site-footer .brand-text small {
  color: rgba(255, 253, 250, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.75fr 0.9fr;
  gap: 48px;
}

.footer-intro {
  max-width: 300px;
  margin: 22px 0 0;
  font-size: 0.82rem;
  line-height: 1.85;
}

.site-footer h2 {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 0.69rem;
  letter-spacing: 0.14em;
}

.footer-links {
  display: grid;
  gap: 8px;
  font-size: 0.82rem;
}

.footer-links a,
.site-footer address a {
  transition: color 160ms ease;
}

.footer-links a:hover,
.site-footer address a:hover {
  color: var(--gold);
}

.site-footer address {
  color: var(--white);
  font-size: 0.8rem;
  font-style: normal;
  overflow-wrap: anywhere;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 253, 250, 0.13);
  color: rgba(255, 253, 250, 0.45);
  font-size: 0.68rem;
}

@media (max-width: 1080px) {
  :root {
    --shell: min(100% - 36px, 900px);
  }

  .hero {
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.82fr);
    gap: 42px;
  }

  .hero-art {
    min-height: 590px;
  }

  .hero-art-frame {
    height: 560px;
  }

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

  .app-card-featured {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
    transform: none;
  }

  .app-card-featured .app-media {
    height: 100%;
    min-height: 420px;
  }
}

@media (max-width: 820px) {
  .site-nav {
    gap: 14px;
    font-size: 0.76rem;
  }

  .site-nav .nav-action {
    padding: 8px 12px;
  }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding-top: 68px;
  }

  .hero-copy {
    max-width: 670px;
  }

  .hero-art {
    width: min(100%, 590px);
    min-height: 610px;
    justify-self: center;
  }

  .hero-art-frame {
    height: 580px;
  }

  .section-heading-wide,
  .bjt-showcase,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-heading-wide {
    gap: 24px;
  }

  .bjt-showcase-media {
    min-height: 0;
    aspect-ratio: 4 / 5;
  }

  .bjt-showcase-media img {
    min-height: 0;
  }

  .bjt-showcase-copy {
    padding: 48px 42px 54px;
  }

  .footer-grid {
    gap: 34px;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 30px);
  }

  .nav-wrap {
    min-height: 66px;
    gap: 12px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }

  .brand-text {
    font-size: 0.82rem;
  }

  .brand-text small {
    font-size: 0.44rem;
  }

  .site-nav {
    gap: 9px;
    font-size: 0.68rem;
  }

  .site-nav .nav-action {
    display: none;
  }

  .hero {
    padding-top: 48px;
    padding-bottom: 72px;
  }

  .hero h1 {
    font-size: clamp(3.35rem, 15vw, 5.1rem);
  }

  .hero-lead {
    margin-top: 24px;
    font-size: 0.94rem;
    line-height: 1.9;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-note {
    flex-wrap: wrap;
    margin-top: 28px;
  }

  .hero-art {
    min-height: 490px;
  }

  .hero-art-frame {
    height: 465px;
    border-width: 8px;
    border-radius: 14px 72px 14px 14px;
  }

  .hero-art-stamp {
    top: 16px;
    left: 16px;
    width: 62px;
    height: 62px;
    padding-top: 10px;
    font-size: 0.5rem;
  }

  .hero-art-stamp span {
    font-size: 0.62rem;
  }

  .hero-art-caption {
    right: -3px;
    bottom: 2px;
    min-width: 0;
    max-width: calc(100% - 28px);
    padding: 12px 14px;
  }

  .hero-art-caption strong {
    font-size: 0.75rem;
  }

  .hero-art-caption small {
    font-size: 0.59rem;
  }

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

  .signal-item,
  .signal-item:first-child {
    min-height: 78px;
    padding: 12px 14px;
  }

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

  .signal-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .bjt-showcase h2,
  .closing-callout h2 {
    font-size: clamp(2.25rem, 12vw, 3.5rem);
  }

  .section-heading > p,
  .section-heading-wide > p {
    font-size: 0.88rem;
  }

  .app-grid {
    grid-template-columns: 1fr;
  }

  .app-card-featured {
    display: block;
  }

  .app-card-featured .app-media {
    min-height: 0;
  }

  .app-media-reimu {
    aspect-ratio: 0.95;
  }

  .app-card-body {
    padding: 24px 21px 26px;
  }

  .bjt-showcase-media {
    padding: 0;
  }

  .showcase-label {
    bottom: 22px;
    left: 22px;
    font-size: 0.56rem;
  }

  .bjt-showcase-copy {
    padding: 40px 24px 44px;
  }

  .bjt-facts {
    gap: 8px;
  }

  .bjt-facts strong {
    font-size: 0.92rem;
  }

  .bjt-facts span {
    font-size: 0.54rem;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }

  .principle-card,
  .principle-card + .principle-card {
    min-height: 0;
    padding: 24px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(16, 36, 58, 0.2);
  }

  .principle-card:last-child {
    border-bottom: 0;
  }

  .principle-card h3 {
    margin-top: 20px;
  }

  .route-card {
    grid-template-columns: 30px 40px minmax(0, 1fr) 20px;
    gap: 10px;
    min-height: 88px;
  }

  .route-card:hover {
    padding-inline: 8px;
  }

  .route-icon {
    width: 38px;
    height: 38px;
  }

  .route-copy strong {
    font-size: 0.82rem;
  }

  .route-copy small {
    font-size: 0.63rem;
  }

  .faq-section {
    padding-top: 64px;
  }

  .faq-list summary {
    padding-block: 19px;
    font-size: 0.89rem;
  }

  .faq-list summary::after {
    top: 18px;
  }

  .faq-list details p {
    font-size: 0.83rem;
  }

  .closing-callout {
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
    min-height: 0;
    margin-bottom: 88px;
    padding: 46px 24px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
    margin-top: 42px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}