:root {
  --bg: #120e10;
  --bg-soft: rgba(255, 255, 255, 0.04);
  --panel: rgba(27, 21, 24, 0.88);
  --panel-strong: rgba(35, 26, 31, 0.94);
  --line: rgba(182, 44, 81, 0.24);
  --gold: #B62C51;
  --jade: #7eb7ae;
  --lacquer: #8f1f3d;
  --ink: #f5efe7;
  --muted: rgba(245, 239, 231, 0.72);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(182, 44, 81, 0.16), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(182, 44, 81, 0.22), transparent 24%),
    linear-gradient(180deg, #120e10 0%, #171012 48%, #0e0a0c 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 42%, transparent 100%);
}

.site-backdrop::after {
  content: "";
  position: fixed;
  inset: 14% auto auto 58%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(182, 44, 81, 0.18), transparent 70%);
  filter: blur(18px);
  pointer-events: none;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 48px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 18px auto 0;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(16, 12, 14, 0.72);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  width: 148px;
  height: auto;
  display: block;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.94rem;
}

.nav-links a.active,
.nav-links a:hover,
.site-footer a:hover {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.language-switcher select,
.form-shell input,
.form-shell textarea,
.filter-pill {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.language-switcher select {
  padding: 10px 12px;
  min-width: 132px;
}

main {
  padding-top: 42px;
}

.hero,
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: stretch;
  min-height: calc(100vh - 170px);
}

.page-hero {
  grid-template-columns: 1fr;
  min-height: auto;
  padding: 84px 0 24px;
}

.hero-copy,
.hero-art,
.info-panel,
.feature-card,
.rail-card,
.timeline-card,
.expertise-card,
.shop-card,
.case-card,
.contact-panel,
.form-shell,
.location-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-copy {
  border-radius: var(--radius-xl);
  padding: 76px 56px 48px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.03), transparent 42%),
    linear-gradient(180deg, rgba(122, 30, 45, 0.24), transparent 36%),
    var(--panel-strong);
}

.hero-art {
  min-height: 720px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 75% 14%, rgba(126, 183, 174, 0.2), transparent 24%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.05), transparent 36%),
    linear-gradient(180deg, rgba(23, 17, 20, 0.96), rgba(16, 12, 14, 0.98));
}

.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  inset: auto 10% 10% auto;
  width: 46%;
  height: 46%;
  border-radius: 34px;
  border: 1px solid rgba(215, 185, 109, 0.15);
  transform: rotate(14deg);
}

.hero-art::after {
  inset: 16% auto auto 12%;
  width: 38%;
  height: 38%;
  border-color: rgba(126, 183, 174, 0.16);
  transform: rotate(-18deg);
}

.hero-panel {
  position: absolute;
  inset: auto 36px 36px 36px;
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(18, 14, 16, 0.62), rgba(18, 14, 16, 0.9)),
    linear-gradient(90deg, rgba(215, 185, 109, 0.12), transparent);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.lacquer-frame {
  box-shadow:
    inset 0 0 0 1px rgba(215, 185, 109, 0.12),
    inset 0 0 0 12px rgba(122, 30, 45, 0.16);
}

.panel-copy h2 {
  margin: 0 0 10px;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.95;
}

.panel-copy p,
.lead,
.section-head p,
.feature-card p,
.rail-card p,
.timeline-card p,
.expertise-card p,
.shop-card p,
.case-card p,
.info-panel p,
.contact-panel p,
.location-card p,
.form-shell p,
.site-footer p,
.note-list li,
.metric-card p {
  color: var(--muted);
  line-height: 1.75;
}

.panel-label,
.eyebrow,
.pill-tag {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.material-ribbons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.material-ribbons span,
.pill-tag,
.filter-pill {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.display-title {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(3.2rem, 7vw, 6.2rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
}

.display-title.narrow {
  max-width: 960px;
}

.lead {
  max-width: 680px;
  margin: 24px 0 0;
  font-size: 1.06rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, rgba(182, 44, 81, 0.34), rgba(143, 31, 61, 0.82));
  box-shadow: 0 16px 40px rgba(182, 44, 81, 0.24);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
}

.btn.full {
  width: 100%;
}

.metric-row,
.feature-grid,
.service-rail,
.timeline-grid,
.expertise-grid,
.shop-grid,
.location-grid,
.dual-panel,
.contact-layout,
.case-grid {
  display: grid;
  gap: 18px;
}

.metric-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 44px;
}

.metric-card {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.metric-card span,
.card-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
}

.section {
  padding: 42px 0;
}

.section-head {
  max-width: 860px;
  margin-bottom: 26px;
}

.section-head h2,
.info-panel h2,
.contact-panel h2,
.form-shell h2 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1;
}

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

.feature-card,
.rail-card,
.timeline-card,
.expertise-card,
.shop-card,
.case-card,
.location-card {
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.04), transparent 38%),
    linear-gradient(180deg, rgba(122, 30, 45, 0.12), transparent 28%),
    var(--panel);
}

.feature-card.alt {
  transform: translateY(18px);
}

.feature-card h3,
.rail-card h3,
.timeline-card h3,
.expertise-card h3,
.shop-card h3,
.case-card h3,
.location-card h3 {
  margin: 0 0 12px;
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
  line-height: 1;
}

.split-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  align-items: start;
}

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

.timeline-grid,
.expertise-grid,
.shop-grid,
.case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.info-panel,
.contact-panel,
.form-shell {
  padding: 32px;
  border-radius: var(--radius-xl);
}

.info-panel.accent {
  background:
    radial-gradient(circle at top right, rgba(182, 44, 81, 0.22), transparent 30%),
    linear-gradient(180deg, rgba(122, 30, 45, 0.22), rgba(18, 14, 16, 0.9));
}

.note-list {
  margin: 18px 0 0;
  padding-left: 18px;
}

.note-list.detailed {
  display: grid;
  gap: 10px;
}

.case-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.case-a {
  background:
    radial-gradient(circle at 22% 18%, rgba(182, 44, 81, 0.20), transparent 24%),
    linear-gradient(160deg, rgba(126, 183, 174, 0.16), rgba(18, 14, 16, 0.94));
}

.case-b {
  background:
    radial-gradient(circle at 78% 20%, rgba(126, 183, 174, 0.22), transparent 26%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(18, 14, 16, 0.94));
}

.case-c {
  background:
    radial-gradient(circle at 30% 20%, rgba(182, 44, 81, 0.32), transparent 24%),
    linear-gradient(160deg, rgba(215, 185, 109, 0.1), rgba(18, 14, 16, 0.94));
}

.case-d {
  background:
    radial-gradient(circle at 82% 16%, rgba(182, 44, 81, 0.20), transparent 24%),
    linear-gradient(160deg, rgba(122, 30, 45, 0.24), rgba(18, 14, 16, 0.94));
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.filter-pill {
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.filter-pill.active {
  border-color: var(--line);
  background: rgba(182, 44, 81, 0.14);
}

.case-card.hidden {
  display: none;
}

.stacked-steps {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.stacked-steps span {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-layout {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
}

.location-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.form-shell form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.form-shell input,
.form-shell textarea {
  width: 100%;
  padding: 15px 16px;
  font: inherit;
  resize: vertical;
}

.form-shell input::placeholder,
.form-shell textarea::placeholder {
  color: rgba(245, 239, 231, 0.5);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
  padding: 28px 0 10px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-gold {
  top: 72px;
  right: 70px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(182, 44, 81, 0.72), rgba(182, 44, 81, 0.08) 60%, transparent 72%);
}

.orb-red {
  top: 230px;
  left: 52px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(182, 44, 81, 0.62), rgba(182, 44, 81, 0.08) 58%, transparent 72%);
}

@media (max-width: 1100px) {
  .topbar {
    border-radius: 28px;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split-section,
  .contact-layout,
  .dual-panel,
  .feature-grid,
  .service-rail,
  .timeline-grid,
  .expertise-grid,
  .shop-grid,
  .location-grid,
  .case-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy {
    padding: 56px 28px 36px;
  }

  .hero-art {
    min-height: 540px;
  }

  .feature-card.alt {
    transform: none;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .topbar {
    top: 10px;
    padding: 14px;
  }

  .display-title {
    font-size: clamp(2.5rem, 14vw, 4rem);
  }

  .hero-panel,
  .feature-card,
  .rail-card,
  .timeline-card,
  .expertise-card,
  .shop-card,
  .case-card,
  .contact-panel,
  .form-shell,
  .location-card,
  .info-panel {
    padding: 22px;
  }

  .language-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .language-switcher select {
    width: 100%;
  }
}

@media (max-width: 960px) {
  .brand {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo {
    width: 126px;
  }
}