@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@300;400;500&family=Shippori+Mincho:wght@400;500;600&family=Arsenal:ital,wght@0,400;1,400&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── Base ── */
:root {
  --text: #0f172a;
  --text-sub: #45536b;
  --text-light: #667085;
  --bg: #ffffff;
  --bg-alt: #f1f5f9;
  --bg-slate: #e2e8f0;
  --border: #e2e8f0;
  --accent: #0f172a;
}

body {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.8;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Shippori Mincho', serif;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.1em;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ── Header ── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #fff;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}

#site-header.scrolled {
  box-shadow: 0 1px 12px rgba(15,23,42,0.08);
}

.logo {
  font-family: 'Shippori Mincho', serif;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--text);
  line-height: 1.3;
}

.logo span {
  display: block;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-sub);
  font-weight: 300;
  margin-top: 2px;
}

nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav a {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-sub);
  font-weight: 400;
  transition: color 0.2s;
  font-family: 'Zen Kaku Gothic New', sans-serif;
}

nav a:hover { color: var(--text); }

.btn-reserve {
  font-size: 11px;
  letter-spacing: 0.12em;
  border: 1px solid var(--text);
  color: var(--text) !important;
  padding: 8px 18px;
  transition: background 0.2s, color 0.2s !important;
}

.btn-reserve:hover {
  background: var(--text) !important;
  color: #fff !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: all 0.3s;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-family: 'Shippori Mincho', serif;
  font-size: 24px;
  letter-spacing: 0.15em;
  color: var(--text);
  transition: color 0.2s;
}

.mobile-nav a:hover { color: var(--text-sub); }

/* ── Hero ── */
.hero {
  height: 100vh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: 64px;
}

.hero-slides { position: absolute; inset: 0; }

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 2s ease-in-out;
  will-change: opacity;
}
.hero-bg.active { opacity: 1; }

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(15,23,42,0.7) 0%, rgba(15,23,42,0.35) 40%, rgba(15,23,42,0.05) 75%),
    linear-gradient(to top, rgba(15,23,42,0.7) 0%, rgba(15,23,42,0.3) 45%, rgba(15,23,42,0.2) 100%);
}

.hero-content {
  position: relative;
  padding: 60px 40px;
  color: #fff;
  max-width: 760px;
}

.hero-label {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: 20px;
  text-shadow: 0 1px 10px rgba(15,23,42,0.55);
}

.hero-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: #fff;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(15,23,42,0.5);
}

.hero-lead {
  font-size: 14px;
  line-height: 2.2;
  color: rgba(255,255,255,0.95);
  max-width: 480px;
  letter-spacing: 0.05em;
  margin-bottom: 36px;
  text-shadow: 0 1px 12px rgba(15,23,42,0.5);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
  padding: 12px 28px;
  font-size: 12px;
  letter-spacing: 0.15em;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  transition: background 0.3s, border-color 0.3s;
}

.hero-cta:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

/* ── Section basics ── */
section { padding: 96px 40px; }

.section-inner { max-width: 1160px; margin: 0 auto; }

.section-label {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.section-title-en {
  font-family: 'Arsenal', serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--text-light);
  margin-top: 4px;
}

/* ── Concept ── */
.concept {
  background: var(--bg-alt);
  text-align: center;
}

.concept .section-title { max-width: 640px; margin: 0 auto; }

.concept-lead {
  font-size: 14px;
  line-height: 2.4;
  color: var(--text-sub);
  max-width: 600px;
  margin: 28px auto 0;
  letter-spacing: 0.08em;
}

.concept-pillars {
  display: flex;
  justify-content: center;
  gap: 64px;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
}

.pillar { text-align: center; }

.pillar-en {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--text-light);
  text-transform: uppercase;
}

.pillar-jp {
  font-family: 'Shippori Mincho', serif;
  font-size: 22px;
  color: var(--text);
  margin-top: 8px;
  letter-spacing: 0.1em;
}

/* ── Dining ── */
.dining { background: var(--bg); }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.two-col.reverse { }

.col-image {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--bg-slate);
}

.col-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.col-image:hover img { transform: scale(1.03); }

.col-text p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 2.2;
  margin-top: 20px;
  letter-spacing: 0.05em;
}

.course-list {
  margin-top: 32px;
  border-top: 1px solid var(--border);
}

.course-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.course-num {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-light);
  flex-shrink: 0;
  width: 24px;
}

.course-name {
  color: var(--text);
  letter-spacing: 0.05em;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--text);
  border-bottom: 1px solid var(--text);
  padding-bottom: 4px;
  transition: color 0.2s, border-color 0.2s;
  font-family: 'Zen Kaku Gothic New', sans-serif;
}

.link-more:hover {
  color: var(--text-sub);
  border-color: var(--text-sub);
}

/* ── Photo strip ── */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  height: 220px;
}

.photo-strip-item { overflow: hidden; }
.photo-strip-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.photo-strip-item:hover img { transform: scale(1.05); }

/* ── Rooms ── */
.rooms { background: var(--bg-alt); }

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 48px;
}

.room-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  display: block;
  background: var(--bg-slate);
}

.room-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.room-card:hover .room-card-img { transform: scale(1.04); }

.room-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,23,42,0.7) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 24px;
}

.room-card-en {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
}

.room-card-name {
  font-family: 'Shippori Mincho', serif;
  font-size: 36px;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 0.05em;
}

.room-card-name-jp {
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
  letter-spacing: 0.1em;
}

.room-card-size {
  font-family: 'Arsenal', serif;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}

/* ── Feature / Bath ── */
.feature { background: var(--bg-slate); }

/* ── Gallery ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 260px 260px;
  gap: 2px;
}

.gallery-item { overflow: hidden; background: var(--bg-slate); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; display: block; }
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item.tall { grid-row: span 2; }

/* ── CTA Banner ── */
.cta-banner {
  background: var(--text);
  text-align: center;
  padding: 96px 40px;
  color: #fff;
}

.cta-banner .section-title { color: #fff; }
.cta-banner .section-label { color: rgba(255,255,255,0.4); }

.cta-banner p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 16px;
  letter-spacing: 0.05em;
}

.btn-cta {
  display: inline-block;
  margin-top: 36px;
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
  padding: 14px 40px;
  font-size: 12px;
  letter-spacing: 0.2em;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  transition: background 0.3s, border-color 0.3s;
}

.btn-cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

/* ── Footer ── */
#site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 60px 40px;
}

.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 2;
  margin-top: 16px;
  letter-spacing: 0.05em;
}

.footer-nav h4, .footer-contact h4 {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 20px;
}

.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: 10px; }

.footer-nav a {
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--text); }

.footer-contact p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 2;
  letter-spacing: 0.05em;
}

.footer-bottom {
  max-width: 1160px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-light);
  text-align: center;
}

/* ── Fade in ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ── Page Hero ── */
.page-hero {
  min-height: 44vh;
  display: flex;
  align-items: flex-end;
  padding: 80px 40px 48px;
  background: var(--text);
  position: relative;
  overflow: hidden;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,0.52);
}

.page-hero-content { position: relative; color: #fff; }

.page-hero-en {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}

.page-hero-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #fff;
}

.page-hero-jp {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.55);
  margin-top: 8px;
}

/* ── Rooms detail ── */
.room-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.room-detail-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-slate);
}

.room-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.room-specs {
  display: flex;
  gap: 32px;
  margin-top: 24px;
}

.spec {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.spec strong {
  display: block;
  font-family: 'Arsenal', serif;
  font-size: 28px;
  color: var(--text);
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* ── Amenity grid ── */
.amenity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 48px;
  background: var(--border);
}

.amenity-item {
  background: var(--bg-alt);
  padding: 32px 24px;
  text-align: center;
}

.amenity-icon { font-size: 24px; margin-bottom: 12px; }

.amenity-name {
  font-family: 'Arsenal', serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-light);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.amenity-desc {
  font-size: 12px;
  color: var(--text-sub);
  line-height: 1.8;
  letter-spacing: 0.05em;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  section { padding: 72px 24px; }
  #site-header { padding: 0 24px; }
  .two-col { gap: 48px; }
}

@media (max-width: 768px) {
  nav { display: none; }
  .hamburger { display: flex; }

  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .col-image { aspect-ratio: 16/10; }

  .rooms-grid { grid-template-columns: 1fr; }
  .room-card { aspect-ratio: 4/3; }

  .concept-pillars { flex-direction: column; gap: 28px; }

  .photo-strip { grid-template-columns: repeat(2, 1fr); height: auto; }
  .photo-strip-item { height: 150px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .gallery-item { height: 180px; }
  .gallery-item.tall { grid-row: span 1; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .page-hero { padding: 96px 24px 40px; }

  .room-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .amenity-grid { grid-template-columns: repeat(2, 1fr); }
}