:root {
  --bg: #0c0d10;
  --bg-soft: #14161b;
  --surface: rgba(19, 21, 27, 0.78);
  --surface-strong: rgba(15, 17, 22, 0.92);
  --text: #f2eee6;
  --muted: #c6bda9;
  --line: rgba(214, 193, 151, 0.16);
  --gold: #d6b37a;
  --gold-soft: #ae8757;
  --ink: #08090c;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.45);
  --container: min(1160px, calc(100vw - 32px));
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans JP', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(214,179,122,0.12), transparent 22%),
    radial-gradient(circle at left 20%, rgba(255,255,255,0.05), transparent 16%),
    linear-gradient(180deg, #0a0b0e 0%, #101216 24%, #0d0f13 100%);
  line-height: 1.8;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: var(--container); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(8, 9, 12, 0.52);
  border-bottom: 1px solid rgba(214,179,122,0.08);
}
.topbar-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo { width: 240px; height: auto; }
.topnav { display: flex; gap: 28px; color: rgba(242,238,230,0.88); font-size: 14px; }
.topnav a { position: relative; }
.topnav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -8px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0); transition: transform .25s ease;
}
.topnav a:hover::after { transform: scaleX(1); }

.hero {
  position: relative;
  min-height: min(900px, 100vh);
  isolation: isolate;
}
.hero-bg, .hero-overlay {
  position: absolute; inset: 0;
}
.hero-bg {
  background-image: url('./hero-luxury.jpg');
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}
.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 8, 12, 0.90) 0%, rgba(7, 8, 12, 0.70) 40%, rgba(7,8,12,0.34) 68%, rgba(7,8,12,0.24) 100%),
    linear-gradient(180deg, rgba(7,8,12,0.24) 0%, rgba(7,8,12,0.15) 54%, rgba(7,8,12,0.92) 100%);
}
.hero-inner {
  position: relative;
  min-height: min(900px, 100vh);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 360px;
  gap: 28px;
  align-items: end;
  padding: 96px 0 72px;
}
.eyebrow, .section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 800;
}
.eyebrow::before, .section-label::before {
  content: '';
  width: 30px; height: 1px;
  background: currentColor;
  opacity: .75;
}
.hero h1, .section-copy h2, .section-heading h2, .ambience-copy h2, .final-box h2 {
  margin: 18px 0 0;
  font-family: 'Noto Serif JP', serif;
  line-height: 1.3;
  letter-spacing: .03em;
}
.hero h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); }
.lead {
  margin-top: 20px;
  max-width: 720px;
  color: rgba(242,238,230,0.9);
  font-size: clamp(1rem, 1.7vw, 1.12rem);
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.hero-cta.center { justify-content: center; }
.btn {
  min-height: 56px;
  padding: 0 26px;
  border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  letter-spacing: .03em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover, .pill:hover, .theme-toggle:hover, .floating-cta a:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, #e2c28f 0%, var(--gold) 50%, #aa7f49 100%);
  color: #120f0b;
  box-shadow: 0 16px 38px rgba(214,179,122,.32);
}
.btn-ghost {
  color: #fff;
  border: 1px solid rgba(255,255,255,.24);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(10px);
}
.btn-ghost.dark {
  color: var(--text);
  border-color: rgba(214,179,122,.2);
  background: rgba(214,179,122,.08);
}
.hero-notes {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-top: 24px;
}
.hero-notes span {
  display: inline-flex; align-items: center; min-height: 40px;
  padding: 0 14px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.9); font-size: 13px;
}
.hero-card {
  align-self: center;
  background: linear-gradient(180deg, rgba(18,20,26,.86), rgba(11,12,16,.82));
  border: 1px solid rgba(214,179,122,.18);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.hero-card-label {
  margin: 0; font-size: 11px; letter-spacing: .2em; color: var(--gold); font-weight: 800;
}
.hero-card h2 { margin: 10px 0 0; font-family: 'Noto Serif JP', serif; font-size: 1.7rem; line-height: 1.45; }
.hero-card ul { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 12px; color: rgba(242,238,230,.82); }
.hero-card li { position: relative; padding-left: 18px; }
.hero-card li::before {
  content: ''; position: absolute; left: 0; top: .8em; width: 7px; height: 7px; border-radius: 50%;
  background: var(--gold);
}

.section { padding: 108px 0; }
.intro-stats { padding-top: 34px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px;
}
.stats-grid article {
  padding: 24px 26px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(214,179,122,.12);
  box-shadow: 0 16px 42px rgba(0,0,0,.2);
}
.stats-grid strong { display: block; font-size: 1.16rem; color: var(--gold); }
.stats-grid span { color: rgba(242,238,230,.72); font-size: 14px; }

.split-layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(320px, 470px);
  gap: 34px;
  align-items: center;
}
.section-copy h2, .section-heading h2, .ambience-copy h2, .final-box h2 { font-size: clamp(1.9rem, 3vw, 3.2rem); }
.section-copy p, .section-heading p, .ambience-copy p, .final-box p { color: rgba(242,238,230,.74); margin-top: 18px; }
.concept-points {
  margin-top: 28px;
  display: grid; gap: 14px;
}
.concept-points div {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid rgba(214,179,122,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
}
.concept-points h3 { margin: 0 0 6px; color: var(--gold); font-size: 1rem; letter-spacing: .08em; }
.concept-points p { margin: 0; }
.photo-panel {
  border-radius: 28px; overflow: hidden; box-shadow: var(--shadow);
  border: 1px solid rgba(214,179,122,.16);
}
.photo-panel img { width: 100%; height: 100%; object-fit: cover; }

.section-heading { max-width: 780px; margin-bottom: 34px; }
.section-heading.narrow { max-width: 720px; }
.region-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 20px;
}
.region-card {
  position: relative;
  padding: 28px;
  border-radius: 28px;
  border: 1px solid rgba(214,179,122,.14);
  background:
    radial-gradient(circle at top right, rgba(214,179,122,.12), transparent 22%),
    linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
  box-shadow: 0 18px 60px rgba(0,0,0,.22);
}
.region-card.featured { background: linear-gradient(180deg, rgba(214,179,122,.10), rgba(255,255,255,.02)); }
.region-card.full { grid-column: 1 / -1; }
.region-badge {
  display: inline-flex; align-items: center; min-height: 32px; padding: 0 14px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(214,179,122,.24), rgba(214,179,122,.1));
  border: 1px solid rgba(214,179,122,.2);
  color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .16em;
}
.region-card h3, .theme-card h3 { margin: 16px 0 0; font-size: 1.35rem; line-height: 1.5; }
.pill-list {
  display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px;
}
.pill {
  min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(214,179,122,.16);
  color: #f7f0e3; font-weight: 700;
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.pill:hover {
  background: linear-gradient(135deg, rgba(214,179,122,.22), rgba(214,179,122,.12));
  box-shadow: 0 20px 38px rgba(0,0,0,.26);
}

.ambience-box {
  position: relative;
  min-height: 420px;
  border-radius: 34px;
  overflow: hidden;
  padding: 54px;
  background:
    linear-gradient(90deg, rgba(8,9,12,.86) 0%, rgba(8,9,12,.72) 42%, rgba(8,9,12,.56) 100%),
    url('./lobby-luxury.jpg') center/cover no-repeat;
  box-shadow: var(--shadow);
  border: 1px solid rgba(214,179,122,.14);
}
.ambience-copy { max-width: 620px; }

.theme-list { display: grid; gap: 18px; }
.theme-card {
  border-radius: 26px; overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border: 1px solid rgba(214,179,122,.14);
  box-shadow: 0 18px 48px rgba(0,0,0,.2);
}
.theme-toggle {
  width: 100%; border: 0; background: transparent; color: inherit;
  text-align: left; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 28px 30px;
}
.theme-no { display: inline-block; color: var(--gold); font-weight: 800; font-size: 12px; letter-spacing: .18em; }
.toggle-mark {
  width: 42px; height: 42px; border-radius: 50%; flex: 0 0 auto;
  display: inline-grid; place-items: center;
  background: rgba(214,179,122,.08); color: var(--gold); font-size: 1.4rem;
}
.theme-card.is-open .toggle-mark { transform: rotate(45deg); }
.theme-toggle p { margin: 8px 0 0; color: rgba(242,238,230,.66); }
.theme-body { display: none; padding: 0 30px 30px; }
.theme-card.is-open .theme-body { display: block; }
.pill-list.compact .pill { min-height: 44px; padding-inline: 16px; }

.final-box {
  text-align: center;
  padding: 62px 28px;
  border-radius: 32px;
  border: 1px solid rgba(214,179,122,.14);
  background:
    radial-gradient(circle at top center, rgba(214,179,122,.18), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
}
.final-box p { max-width: 820px; margin-left: auto; margin-right: auto; }

.footer { padding: 34px 0 110px; }
.footer-inner {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 20px;
  color: rgba(242,238,230,.58);
}
.footer-title, .back-link { color: var(--gold); font-weight: 700; }

.floating-cta {
  position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 60;
  display: flex; gap: 10px; padding: 10px; border-radius: 999px;
  background: rgba(10,11,14,.88); backdrop-filter: blur(14px);
  border: 1px solid rgba(214,179,122,.12);
  box-shadow: 0 18px 44px rgba(0,0,0,.38);
}
.floating-cta a {
  min-width: 158px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; font-weight: 700;
}
.floating-cta a:first-child {
  background: linear-gradient(135deg, #e2c28f, var(--gold));
  color: #16120d;
}
.floating-cta a:last-child {
  background: rgba(255,255,255,.06);
  color: #fff; border: 1px solid rgba(255,255,255,.08);
}

@media (max-width: 1080px) {
  .hero-inner, .split-layout, .stats-grid, .region-grid { grid-template-columns: 1fr; }
  .hero-card { max-width: 420px; }
}

@media (max-width: 760px) {
  .topnav { display: none; }
  .topbar-inner { min-height: 68px; }
  .brand-logo { width: 200px; }
  .hero-inner { padding: 88px 0 46px; }
  .section { padding: 80px 0; }
  .hero h1 { font-size: 2.3rem; }
  .hero-card, .region-card, .theme-toggle, .theme-body, .ambience-box, .final-box { padding-left: 20px; padding-right: 20px; }
  .theme-toggle { align-items: flex-start; }
  .ambience-box { padding-top: 42px; padding-bottom: 42px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .floating-cta {
    width: calc(100vw - 16px); bottom: 8px; padding: 8px;
  }
  .floating-cta a { min-width: 0; flex: 1 1 0; font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}