:root {
  --bg: #0d1117;
  --bg-cream: #f5f1ea;
  --ink: #1a1f2e;
  --ink-soft: #4a5066;
  --line: rgba(26, 31, 46, 0.12);
  --line-dark: rgba(245, 241, 234, 0.18);
  --gold: #b08d57;
  --gold-soft: #c9a978;
  --accent: #2d4a5c;
  --brand-blue: #15346b;
  --serif-jp: "Shippori Mincho", "Yu Mincho", serif;
  --serif-tc: "Noto Serif TC", "Songti TC", serif;
  --serif-en: "Cormorant Garamond", serif;
  --sans: "Inter", -apple-system, system-ui, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--serif-jp);
  background: var(--bg-cream);
  color: var(--ink);
  line-height: 1.8;
  overflow-x: hidden;
  width: 100%; max-width: 100vw;
  font-feature-settings: "palt";
}
body[data-lang="zh"] { font-family: var(--serif-tc); }
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ============ Splash ============ */
.splash {
  position: fixed; inset: 0; background: var(--bg); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 1.2s ease, visibility 1.2s ease;
}
.splash.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.splash-mark { color: var(--bg-cream); text-align: center; }
.splash-mark .en {
  font-family: var(--serif-en); font-size: 36px; letter-spacing: 0.4em;
  font-weight: 300; padding-left: 0.4em;
}
.splash-mark .jp {
  font-size: 14px; letter-spacing: 0.6em; margin-top: 14px; color: var(--gold-soft);
}
.splash-line {
  width: 1px; height: 0; background: var(--gold);
  margin: 24px auto 0; animation: splashLine 2s ease-out forwards;
}
@keyframes splashLine { 0% { height: 0; } 100% { height: 60px; } }

/* ============ Header / Nav ============ */
header.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 24px 48px; display: flex; justify-content: space-between; align-items: center;
  transition: background 0.4s ease, padding 0.4s ease;
  pointer-events: none;
}
header.nav > * { pointer-events: auto; }
header.nav.scrolled,
header.nav.solid {
  background: rgba(245, 241, 234, 0.96);
  backdrop-filter: blur(12px);
  padding: 16px 48px;
  border-bottom: 1px solid var(--line);
}
.nav-mark {
  font-family: var(--serif-en); font-size: 18px; letter-spacing: 0.35em;
  color: var(--bg-cream); font-weight: 400; padding-left: 0.35em;
  transition: color 0.4s;
}
header.nav.scrolled .nav-mark,
header.nav.solid .nav-mark { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 28px; }
.lang-toggle {
  display: flex; gap: 0; font-family: var(--sans);
  font-size: 11px; letter-spacing: 0.2em; color: var(--bg-cream);
  transition: color 0.4s;
}
header.nav.scrolled .lang-toggle,
header.nav.solid .lang-toggle { color: var(--ink); }
.lang-toggle button {
  background: none; border: none; color: inherit; cursor: pointer;
  padding: 6px 12px; font: inherit; opacity: 0.55;
  transition: opacity 0.3s;
}
.lang-toggle button.active { opacity: 1; border-bottom: 1px solid currentColor; }
.lang-toggle .sep { padding: 6px 0; opacity: 0.4; }

/* Hamburger */
.hamburger {
  width: 32px; height: 22px; cursor: pointer; position: relative;
  background: none; border: none; padding: 0;
}
.hamburger span {
  display: block; width: 100%; height: 1px; background: var(--bg-cream);
  position: absolute; left: 0; transition: all 0.4s;
}
.hamburger span:nth-child(1) { top: 4px; }
.hamburger span:nth-child(2) { top: 10px; width: 70%; }
.hamburger span:nth-child(3) { top: 16px; }
header.nav.scrolled .hamburger span,
header.nav.solid .hamburger span { background: var(--ink); }

/* ============ Sidebar ============ */
.sidebar-overlay {
  position: fixed; inset: 0; background: rgba(13,17,23,0.5);
  z-index: 200; opacity: 0; visibility: hidden;
  transition: opacity 0.5s, visibility 0.5s;
}
.sidebar-overlay.open { opacity: 1; visibility: visible; }
.sidebar {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(640px, 100%); background: var(--bg-cream);
  z-index: 210; transform: translateX(100%);
  transition: transform 0.6s cubic-bezier(0.7, 0, 0.3, 1);
  overflow-y: auto; display: flex; flex-direction: column;
}
.sidebar.open { transform: translateX(0); }
.sidebar-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 28px 36px; border-bottom: 1px solid var(--line);
}
.sidebar-close {
  width: 32px; height: 32px; cursor: pointer;
  background: none; border: none; position: relative;
}
.sidebar-close::before, .sidebar-close::after {
  content: ''; position: absolute; left: 50%; top: 50%; width: 24px; height: 1px;
  background: var(--ink); transform-origin: center;
}
.sidebar-close::before { transform: translate(-50%, -50%) rotate(45deg); }
.sidebar-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
.sidebar-brand {
  text-align: center;
}
.sidebar-brand .en {
  font-family: var(--serif-en); font-size: 22px; letter-spacing: 0.3em;
  color: var(--brand-blue); font-weight: 500; padding-left: 0.3em;
}
.sidebar-brand .city {
  font-family: var(--serif-en); font-size: 11px; letter-spacing: 0.4em;
  color: var(--brand-blue); margin-top: 2px;
}
.sidebar-brand .jp {
  font-size: 10px; letter-spacing: 0.25em; color: var(--ink); margin-top: 6px;
}
.sidebar-brand .jp small { font-size: 8.5px; display: block; margin-top: 2px; opacity: 0.7; }
.sidebar-spacer { width: 32px; }

.menu {
  flex: 1; padding: 24px 36px; display: grid;
  grid-template-columns: 1fr 1fr; gap: 0 32px;
  align-content: start;
}
.menu-item {
  border-bottom: 1px solid var(--line);
  padding: 18px 0 14px;
  position: relative;
}
.menu-item.expandable .menu-link { padding-right: 36px; }
.menu-link {
  display: block; cursor: pointer; position: relative;
  transition: color 0.3s;
}
.menu-link .en {
  font-family: var(--serif-en); font-size: 26px; letter-spacing: 0.04em;
  color: var(--ink); font-weight: 400; line-height: 1.2;
  display: block;
}
.menu-link:hover .en { color: var(--brand-blue); }
.menu-link .jp {
  font-size: 11px; letter-spacing: 0.18em; color: var(--ink-soft);
  margin-top: 6px; display: block;
}
body[data-lang="zh"] .menu-link .jp { letter-spacing: 0.12em; }
.menu-link .badge {
  position: absolute; top: -16px; right: 0;
  font-family: var(--sans); font-size: 9px; letter-spacing: 0.2em;
  color: #c0392b; font-weight: 600;
}
.menu-item.expandable .toggle {
  position: absolute; top: 18px; right: 0;
  width: 28px; height: 28px; cursor: pointer;
  background: none; border: 1px solid var(--ink); padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s;
}
.menu-item.expandable .toggle::before {
  content: ''; display: block; width: 8px; height: 8px;
  border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.3s;
}
.menu-item.expandable.open .toggle::before {
  transform: rotate(-135deg) translate(-2px, -2px);
}
.submenu {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease;
}
.menu-item.expandable.open .submenu { max-height: 240px; }
.submenu a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; font-size: 13px; letter-spacing: 0.12em;
  border-top: 1px solid var(--line);
  color: var(--ink); transition: color 0.3s;
}
.submenu a:hover { color: var(--brand-blue); }
.submenu a::after {
  content: ''; width: 10px; height: 10px;
  border-right: 1px solid currentColor; border-top: 1px solid currentColor;
  transform: rotate(45deg);
}

.menu-icons {
  padding: 24px 36px; display: flex; gap: 36px;
  border-top: 1px solid var(--line);
}
.menu-icons a {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 0.2em; color: var(--ink);
}
.menu-icons svg { width: 18px; height: 18px; flex-shrink: 0; }

.menu-cta {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 36px; background: var(--brand-blue); color: var(--bg-cream);
  font-size: 13px; letter-spacing: 0.15em; line-height: 1.6;
  margin: 12px 36px 36px; text-decoration: none;
}
.menu-cta::after {
  content: ''; width: 12px; height: 12px;
  border-right: 1px solid currentColor; border-top: 1px solid currentColor;
  transform: rotate(45deg); flex-shrink: 0; margin-left: 16px;
}

/* ============ Sub-page hero ============ */
.subpage-hero {
  min-height: 64vh; padding: 200px 48px 80px;
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative; color: var(--bg-cream); overflow: hidden;
}
.subpage-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.04); animation: kenBurns 20s ease-out forwards;
}
.subpage-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,17,23,0.45) 0%, rgba(13,17,23,0.4) 50%, rgba(13,17,23,0.85) 100%);
}
.subpage-hero-content { position: relative; max-width: 1280px; margin: 0 auto; width: 100%; }
.subpage-hero .crumb {
  font-family: var(--sans); font-size: 10px; letter-spacing: 0.4em;
  color: var(--gold-soft); margin-bottom: 24px; text-transform: uppercase;
}
.subpage-hero h1 {
  font-family: var(--serif-en); font-weight: 300;
  font-size: clamp(40px, 5.5vw, 80px); letter-spacing: 0.1em;
  line-height: 1.1; padding-left: 0.1em;
}
.subpage-hero .jp-title {
  font-family: var(--serif-jp); font-size: clamp(15px, 1.4vw, 19px);
  letter-spacing: 0.4em; margin-top: 24px;
  color: rgba(245, 241, 234, 0.85);
}
body[data-lang="zh"] .subpage-hero .jp-title { font-family: var(--serif-tc); }
@keyframes kenBurns { to { transform: scale(1); } }

/* ============ Sections ============ */
section {
  padding: 140px 48px;
  position: relative;
}
.container { max-width: 1280px; margin: 0 auto; }
.container-narrow { max-width: 880px; margin: 0 auto; }

.section-label {
  display: flex; align-items: center; gap: 24px;
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.5em;
  color: var(--gold); margin-bottom: 32px; text-transform: uppercase;
}
.section-label::before {
  content: ''; width: 48px; height: 1px; background: var(--gold);
}
.section-label .num {
  font-family: var(--serif-en); font-size: 13px; letter-spacing: 0.1em;
  color: var(--ink-soft);
}
.section-title {
  font-family: var(--serif-jp); font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 500; letter-spacing: 0.12em; line-height: 1.5;
  margin-bottom: 28px;
}
body[data-lang="zh"] .section-title { font-family: var(--serif-tc); }
.section-subtitle {
  font-family: var(--serif-en); font-size: 15px;
  letter-spacing: 0.3em; color: var(--ink-soft);
  text-transform: uppercase; margin-bottom: 48px; font-style: italic;
  font-weight: 400;
}
.body-text {
  font-size: 15.5px; line-height: 2.2; color: var(--ink-soft);
  letter-spacing: 0.05em;
}
.body-text p + p { margin-top: 1.4em; }

/* Reveal */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 1.4s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 1.4s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-img {
  overflow: hidden; position: relative;
}
.reveal-img::after {
  content: ''; position: absolute; inset: 0;
  background: var(--bg-cream); transform-origin: right;
  transform: scaleX(1); transition: transform 1.6s cubic-bezier(0.7, 0, 0.3, 1);
}
.reveal-img.in::after { transform: scaleX(0); }
.reveal-img img {
  transform: scale(1.15); transition: transform 2.2s ease-out;
}
.reveal-img.in img { transform: scale(1); }

/* ============ Footer ============ */
footer {
  background: var(--bg); color: rgba(245,241,234,0.6);
  padding: 96px 48px 48px;
}
.footer-grid {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 64px;
  padding-bottom: 64px; border-bottom: 1px solid var(--line-dark);
}
.footer-mark .en {
  font-family: var(--serif-en); font-size: 24px; letter-spacing: 0.35em;
  color: var(--bg-cream); padding-left: 0.35em; margin-bottom: 20px;
  font-weight: 400;
}
.footer-mark p { font-size: 13px; line-height: 2; max-width: 380px; }
.footer-grid h5 {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.3em;
  color: var(--gold-soft); text-transform: uppercase; margin-bottom: 24px;
}
.footer-grid li {
  list-style: none; font-size: 13px; line-height: 2.2;
  letter-spacing: 0.05em;
}
.footer-grid a:hover { color: var(--gold-soft); }
.footer-bottom {
  max-width: 1280px; margin: 0 auto; padding-top: 32px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.2em;
  color: rgba(245,241,234,0.4);
}
.disclaimer {
  max-width: 1280px; margin: 32px auto 0;
  font-size: 11px; line-height: 1.9; color: rgba(245,241,234,0.35);
  letter-spacing: 0.04em;
}

/* ============ TOP PAGE specific ============ */
.hero {
  height: 100vh; min-height: 720px; position: relative;
  display: flex; align-items: flex-end; justify-content: center;
  color: var(--bg-cream); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,17,23,0.35) 0%, rgba(13,17,23,0.15) 40%, rgba(13,17,23,0.85) 100%),
              url('https://images.unsplash.com/photo-1542640244-7e672d6cef4e?w=2400&q=85') center/cover;
  transform: scale(1.06);
  animation: kenBurns 18s ease-out forwards;
}
.hero-content {
  position: relative; text-align: center; padding-bottom: 12vh; width: 100%;
}
.hero-eyebrow {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.5em;
  color: var(--gold-soft); margin-bottom: 32px; text-transform: uppercase;
}
.hero-title {
  font-family: var(--serif-en); font-weight: 300;
  font-size: clamp(40px, 6.5vw, 96px); letter-spacing: 0.12em;
  line-height: 1.1; padding-left: 0.12em;
}
.hero-sub {
  font-size: clamp(14px, 1.2vw, 17px); letter-spacing: 0.5em;
  margin-top: 28px; color: rgba(245, 241, 234, 0.85);
}
.hero-tagline {
  font-family: var(--serif-jp); font-size: clamp(15px, 1.4vw, 19px);
  letter-spacing: 0.3em; margin-top: 80px; line-height: 2.2;
  color: rgba(245, 241, 234, 0.75);
}
body[data-lang="zh"] .hero-tagline { font-family: var(--serif-tc); }
.scroll-cue {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  width: 1px; height: 56px; background: rgba(245,241,234,0.5); overflow: hidden;
}
.scroll-cue::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 30%; background: var(--gold);
  animation: scrollDown 2.2s ease-in-out infinite;
}
@keyframes scrollDown { 0% { top: -30%; } 100% { top: 100%; } }

/* TOP page nav grid (preview tiles) */
.tile-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
  max-width: 1480px; margin: 0 auto;
}
.tile {
  position: relative; aspect-ratio: 1.1 / 1; overflow: hidden;
  display: flex; align-items: flex-end; padding: 32px;
  color: var(--bg-cream); cursor: pointer;
}
.tile-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transition: transform 1.4s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.tile-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,17,23,0.1) 40%, rgba(13,17,23,0.85));
  transition: background 0.6s;
}
.tile:hover .tile-bg { transform: scale(1.05); }
.tile:hover .tile-bg::after { background: linear-gradient(180deg, rgba(13,17,23,0.3) 0%, rgba(13,17,23,0.9)); }
.tile-content { position: relative; }
.tile-num {
  font-family: var(--serif-en); font-style: italic; font-size: 13px;
  letter-spacing: 0.3em; color: var(--gold-soft); margin-bottom: 8px;
}
.tile-en {
  font-family: var(--serif-en); font-size: 30px; letter-spacing: 0.08em;
  font-weight: 400; line-height: 1.2; padding-left: 0.08em;
}
.tile-jp {
  font-size: 12px; letter-spacing: 0.25em; margin-top: 6px;
  color: rgba(245,241,234,0.8);
}
.tile-arrow {
  margin-top: 14px; width: 24px; height: 1px; background: var(--gold-soft);
  position: relative;
  transition: width 0.4s;
}
.tile:hover .tile-arrow { width: 48px; }
.tile-arrow::after {
  content: ''; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px;
  border-right: 1px solid var(--gold-soft); border-top: 1px solid var(--gold-soft);
  transform: rotate(45deg);
}

/* ============ Concept page ============ */
.concept-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 96px; align-items: center;
}
.concept-text .quote {
  font-family: var(--serif-jp); font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400; letter-spacing: 0.15em; line-height: 2;
  margin-bottom: 48px; color: var(--ink);
}
body[data-lang="zh"] .concept-text .quote { font-family: var(--serif-tc); }
.concept-img { aspect-ratio: 4/5; background: #ddd; }
.concept-img img { width: 100%; height: 100%; object-fit: cover; }

/* ============ Redevelopment ============ */
.timeline {
  margin-top: 80px; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; border-top: 1px solid var(--line);
}
.timeline-item {
  padding: 40px 32px 0 0; border-right: 1px solid var(--line);
  position: relative;
}
.timeline-item:last-child { border-right: none; }
.timeline-item::before {
  content: ''; position: absolute; top: -5px; left: 0;
  width: 9px; height: 9px; background: var(--gold); border-radius: 50%;
}
.timeline-year {
  font-family: var(--serif-en); font-size: 28px; letter-spacing: 0.08em;
  color: var(--brand-blue); margin-bottom: 12px; font-weight: 400;
}
.timeline-title {
  font-size: 16px; letter-spacing: 0.12em; font-weight: 500;
  margin-bottom: 12px; line-height: 1.6;
}
.timeline-desc {
  font-size: 13px; color: var(--ink-soft); line-height: 1.9;
  letter-spacing: 0.04em;
}

.redev-stats {
  margin-top: 96px; display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding: 48px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stat-num {
  font-family: var(--serif-en); font-size: 56px; letter-spacing: 0.04em;
  color: var(--brand-blue); font-weight: 400; line-height: 1;
}
.stat-num small { font-size: 18px; color: var(--ink-soft); margin-left: 6px; }
.stat-label {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.3em;
  color: var(--gold); text-transform: uppercase; margin-top: 12px;
}
.stat-desc {
  margin-top: 12px; font-size: 13.5px; line-height: 1.9; color: var(--ink-soft);
}

/* ============ Design / Architecture ============ */
.architecture-bg-section {
  height: 80vh; min-height: 600px;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: var(--bg-cream);
}
.architecture-bg-img {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,17,23,0.55), rgba(13,17,23,0.7)),
              url('https://images.unsplash.com/photo-1545324418-cc1a3fa10c00?w=2400&q=85') center/cover;
}
.architecture-bg-content {
  position: relative; text-align: center; padding: 0 48px; max-width: 880px;
}
.architecture-title {
  font-family: var(--serif-jp); font-size: clamp(28px, 3.5vw, 44px);
  letter-spacing: 0.18em; line-height: 1.7; font-weight: 400;
  margin-bottom: 32px;
}
body[data-lang="zh"] .architecture-title { font-family: var(--serif-tc); }
.architect-credit {
  margin-top: 40px; font-family: var(--serif-en); font-style: italic;
  color: var(--gold-soft); font-size: 14px; letter-spacing: 0.2em;
}

.feature-grid {
  margin-top: 80px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
}
.feature-card .num {
  font-family: var(--serif-en); font-style: italic; font-size: 14px;
  letter-spacing: 0.3em; color: var(--gold); margin-bottom: 16px;
}
.feature-card h4 {
  font-family: var(--serif-jp); font-size: 20px; letter-spacing: 0.1em;
  font-weight: 500; margin-bottom: 16px; line-height: 1.6;
}
body[data-lang="zh"] .feature-card h4 { font-family: var(--serif-tc); }
.feature-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 2; }

/* ============ Landscape gallery ============ */
.gallery-grid {
  margin-top: 64px;
  display: grid; grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 120px; gap: 16px;
}
.gallery-item { overflow: hidden; position: relative; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.2, 0.7, 0.2, 1); }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item .caption {
  position: absolute; bottom: 16px; left: 20px;
  color: white; font-size: 12px; letter-spacing: 0.25em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.gi-1 { grid-column: span 7; grid-row: span 3; }
.gi-2 { grid-column: span 5; grid-row: span 2; }
.gi-3 { grid-column: span 5; grid-row: span 3; }
.gi-4 { grid-column: span 4; grid-row: span 2; }
.gi-5 { grid-column: span 8; grid-row: span 2; }

/* ============ Floor plan ============ */
.fp-grid {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px; align-items: center;
  margin-top: 48px;
}
.fp-svg-wrap {
  background: var(--bg-cream); padding: 48px; border: 1px solid var(--line);
}
.fp-svg { width: 100%; height: auto; }
.fp-spec dt {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.3em;
  color: var(--gold); text-transform: uppercase; margin-bottom: 6px;
}
.fp-spec dd {
  font-family: var(--serif-jp); font-size: 18px; letter-spacing: 0.1em;
  margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line);
  line-height: 1.6;
}
body[data-lang="zh"] .fp-spec dd { font-family: var(--serif-tc); }
.fp-spec dd:last-child { border-bottom: none; }
.fp-types {
  margin-top: 96px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.fp-type {
  border: 1px solid var(--line); padding: 28px 24px;
  text-align: center; background: var(--bg-cream); transition: all 0.3s;
}
.fp-type:hover { border-color: var(--brand-blue); transform: translateY(-3px); }
.fp-type .t-en {
  font-family: var(--serif-en); font-size: 22px; letter-spacing: 0.15em;
  color: var(--brand-blue);
}
.fp-type .t-area { font-size: 13px; margin-top: 8px; color: var(--ink); }
.fp-type .t-rooms {
  font-size: 11px; letter-spacing: 0.2em; color: var(--ink-soft);
  margin-top: 4px;
}

/* ============ Interior ============ */
.interior-block {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px;
  align-items: center; margin-bottom: 96px;
}
.interior-block.reverse { grid-template-columns: 1fr 1.4fr; }
.interior-block.reverse .interior-img { order: 2; }
.interior-img { aspect-ratio: 4/3; }
.interior-img img { width: 100%; height: 100%; object-fit: cover; }
.interior-text h3 {
  font-family: var(--serif-en); font-style: italic; color: var(--gold);
  font-size: 14px; letter-spacing: 0.4em; font-weight: 400; margin-bottom: 16px;
}
.interior-text h4 {
  font-family: var(--serif-jp); font-size: 26px; letter-spacing: 0.12em;
  font-weight: 500; margin-bottom: 24px; line-height: 1.6;
}
body[data-lang="zh"] .interior-text h4 { font-family: var(--serif-tc); }
.interior-text p {
  font-size: 14.5px; line-height: 2.2; color: var(--ink-soft);
  letter-spacing: 0.05em;
}

/* ============ Equipment / Specs ============ */
.specs-grid {
  margin-top: 64px; display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0 80px;
}
.spec-row {
  display: grid; grid-template-columns: 130px 1fr; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
  align-items: start;
}
.spec-key {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.3em;
  color: var(--gold); text-transform: uppercase; padding-top: 4px;
}
.spec-val { font-size: 14.5px; line-height: 1.9; color: var(--ink); letter-spacing: 0.04em; }
.spec-val small { color: var(--ink-soft); font-size: 12.5px; }

/* ============ Location ============ */
.map-wrap {
  margin-top: 64px; aspect-ratio: 16/9;
  background: #16213a; position: relative; overflow: hidden;
  border: 1px solid var(--line-dark);
}
.map-svg { width: 100%; height: 100%; }
.map-legend {
  margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.legend-item { border-left: 2px solid var(--gold); padding: 12px 20px; }
.legend-item dt {
  font-family: var(--serif-en); font-style: italic; color: var(--gold-soft);
  font-size: 12px; letter-spacing: 0.2em; margin-bottom: 6px;
}
.legend-item dd {
  font-size: 13px; color: rgba(245,241,234,0.75); letter-spacing: 0.06em;
  line-height: 1.7;
}
.section-dark {
  background: var(--ink); color: var(--bg-cream);
}
.section-dark .section-title { color: var(--bg-cream); }
.section-dark .section-label { color: var(--gold-soft); }
.section-dark .section-label .num { color: rgba(245,241,234,0.5); }
.section-dark .section-label::before { background: var(--gold-soft); }
.section-dark .section-subtitle { color: var(--gold-soft); }
.section-dark .body-text { color: rgba(245,241,234,0.7); }

/* Access timetable */
.access-table {
  margin-top: 56px; width: 100%; border-collapse: collapse;
}
.access-table th, .access-table td {
  text-align: left; padding: 18px 16px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 13.5px; letter-spacing: 0.06em;
}
.access-table th {
  font-family: var(--sans); font-size: 11px; letter-spacing: 0.3em;
  color: var(--gold-soft); text-transform: uppercase; font-weight: 500;
}
.access-table td.dest { color: var(--bg-cream); font-size: 15px; }
.access-table td.time { color: var(--gold-soft); font-family: var(--serif-en); font-size: 17px; }

/* ============ Brand page ============ */
.brand-hero-text {
  max-width: 720px; margin: 0 auto; text-align: center;
}
.brand-quote {
  font-family: var(--serif-jp); font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: 0.15em; line-height: 2.1; margin: 56px 0;
  color: var(--ink);
}
body[data-lang="zh"] .brand-quote { font-family: var(--serif-tc); }
.brand-pillars {
  margin-top: 80px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
}
.pillar { text-align: center; padding: 0 16px; }
.pillar-mark {
  font-family: var(--serif-en); font-style: italic; font-size: 15px;
  letter-spacing: 0.4em; color: var(--gold); margin-bottom: 24px;
}
.pillar h4 {
  font-family: var(--serif-jp); font-size: 22px; letter-spacing: 0.1em;
  font-weight: 500; margin-bottom: 20px;
}
body[data-lang="zh"] .pillar h4 { font-family: var(--serif-tc); }
.pillar p { font-size: 14px; line-height: 2.1; color: var(--ink-soft); }

/* ============ DM section ============ */
.dm {
  padding: 180px 48px;
  background:
    linear-gradient(180deg, rgba(245,241,234,0.92), rgba(245,241,234,0.96)),
    url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=2000&q=80') center/cover;
  text-align: center;
}
.dm-content { max-width: 720px; margin: 0 auto; }
.dm h2 {
  font-family: var(--serif-en); font-weight: 300;
  font-size: clamp(32px, 4vw, 56px); letter-spacing: 0.15em;
  margin-bottom: 24px; padding-left: 0.15em;
}
.dm p {
  font-size: 15px; line-height: 2.2; letter-spacing: 0.1em;
  color: var(--ink-soft); margin-bottom: 48px;
}
.btn {
  display: inline-block; padding: 22px 64px;
  background: var(--ink); color: var(--bg-cream);
  font-family: var(--sans); font-size: 12px; letter-spacing: 0.4em;
  text-transform: uppercase; border: 1px solid var(--ink);
  transition: all 0.4s ease; cursor: pointer;
}
.btn:hover { background: var(--gold); border-color: var(--gold); color: var(--bg-cream); }
.btn + .btn { margin-left: 16px; }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--bg-cream); border-color: var(--ink); }

/* ============ i18n helpers ============ */
[data-jp], [data-zh] { display: inline; }
body[data-lang="ja"] [data-zh] { display: none; }
body[data-lang="zh"] [data-jp] { display: none; }
p[data-jp], p[data-zh],
div[data-jp], div[data-zh],
span.block[data-jp], span.block[data-zh] { display: block; }
body[data-lang="ja"] p[data-zh],
body[data-lang="ja"] div[data-zh],
body[data-lang="ja"] span.block[data-zh] { display: none; }
body[data-lang="zh"] p[data-jp],
body[data-lang="zh"] div[data-jp],
body[data-lang="zh"] span.block[data-jp] { display: none; }

/* ============ Responsive ============ */
@media (max-width: 980px) {
  section { padding: 96px 24px; }
  header.nav, header.nav.scrolled, header.nav.solid { padding: 16px 24px; }
  .subpage-hero { padding: 140px 24px 60px; }
  .concept-grid, .fp-grid, .interior-block, .interior-block.reverse {
    grid-template-columns: 1fr; gap: 48px;
  }
  .interior-block.reverse .interior-img { order: 0; }
  .timeline, .feature-grid, .brand-pillars, .redev-stats { grid-template-columns: 1fr 1fr; gap: 32px; }
  .specs-grid { grid-template-columns: 1fr; gap: 0; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
  .gi-1, .gi-2, .gi-3, .gi-4, .gi-5 { grid-column: span 2; grid-row: span 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .map-legend { grid-template-columns: 1fr 1fr; }
  .tile-grid { grid-template-columns: 1fr 1fr; }
  .fp-types { grid-template-columns: 1fr 1fr; }
  .menu { grid-template-columns: 1fr; }
  .menu-link .en { font-size: 22px; }
  .sidebar-head { padding: 20px 24px; }
  .menu, .menu-icons, .menu-cta { padding-left: 24px; padding-right: 24px; }
  .menu-cta { margin: 12px 24px 24px; }
}
@media (max-width: 560px) {
  .timeline, .map-legend, .footer-grid, .feature-grid, .brand-pillars, .redev-stats { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .btn { display: block; width: 100%; padding: 18px 24px; font-size: 11px; box-sizing: border-box; text-align: center; }
  .btn + .btn { margin-left: 0; margin-top: 12px; }
  .tile-grid, .fp-types { grid-template-columns: 1fr; }
}