/* ============================================
   CSS Variables
   ============================================ */
:root {
  --primary: #1A1A1A;
  --primary-dark: #000000;
  --primary-light: #333333;
  --accent: #C4972A;
  --accent-light: #D4AA4F;
  --accent-pale: rgba(196, 151, 42, 0.1);
  --bg: #FFFFFF;
  --bg-alt: #FAF7F0;
  --text: #1F2937;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --text-hero: clamp(36px, 5vw, 56px);
  --text-h2: clamp(28px, 3.5vw, 40px);
  --text-h3: clamp(20px, 2.5vw, 24px);
  --text-body: 16px;
  --text-small: 14px;
  --text-caption: 12px;
  --space-section: clamp(80px, 10vw, 120px);
  --space-group: clamp(40px, 5vw, 64px);
  --space-element: clamp(16px, 2vw, 24px);
  --space-tight: 8px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  animation: fadeIn 0.5s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul, ol { list-style: none; }

/* ============================================
   Container
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 80px);
}

/* ============================================
   Scroll Animation
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-on-scroll.visible .stagger-item:nth-child(1) { transition-delay: 0s; }
.animate-on-scroll.visible .stagger-item:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll.visible .stagger-item:nth-child(3) { transition-delay: 0.15s; }
.animate-on-scroll.visible .stagger-item:nth-child(4) { transition-delay: 0.2s; }

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Noto Sans JP', sans-serif;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(196, 151, 42, 0.3);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Noto Sans JP', sans-serif;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.08em;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Noto Sans JP', sans-serif;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.08em;
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

/* ============================================
   Section Header
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--space-group);
}
.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: 'Cormorant Garamond', serif;
}
.section-title {
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: -0.02em;
}
.section-subtitle {
  font-size: var(--text-body);
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  font-family: 'Noto Sans JP', sans-serif;
}
.section-divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin: 20px auto 0;
}

/* ============================================
   Header
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
  padding: 20px 0;
}
header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  padding: 12px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}
.logo span {
  color: var(--accent);
}
header.scrolled .logo {
  color: var(--primary);
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.desktop-nav a {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
  transition: color 0.3s;
  position: relative;
}
.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.desktop-nav a:hover::after {
  width: 100%;
}
header.scrolled .desktop-nav a {
  color: var(--text);
}
.desktop-nav .nav-cta {
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.3s;
}
.desktop-nav .nav-cta::after { display: none; }
.desktop-nav .nav-cta:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* Mobile Nav */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1002;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: #fff;
  transition: all 0.3s;
}
header.scrolled .hamburger span {
  background: var(--primary);
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: #fff;
  z-index: 1001;
  transition: right 0.3s ease;
  padding: 80px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu .mobile-cta {
  margin-top: 24px;
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  text-align: center;
  font-weight: 600;
  border-bottom: none;
}
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 1000;
}
.overlay.open { opacity: 1; pointer-events: auto; }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.55));
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}
.hero-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: var(--accent);
  font-weight: 600;
}
.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-body);
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.6);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
}
.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.3);
  margin: 8px auto 0;
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--accent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ============================================
   HALL Section
   ============================================ */
.hall-section {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.hall-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.hall-card {
  background: #fff;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hall-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.hall-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.hall-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hall-card:hover .hall-card-img img {
  transform: scale(1.05);
}
.hall-card-body {
  padding: 28px 24px;
}
.hall-card-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.hall-card-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hall-card-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.hall-card-capacity {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text);
  font-weight: 500;
}
.hall-card-capacity svg {
  color: var(--accent);
}

/* ============================================
   PLAN Section
   ============================================ */
.plan-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.plan-card {
  border: 1px solid var(--border);
  padding: 40px 32px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}
.plan-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.plan-card.featured {
  border-color: var(--accent);
  background: var(--bg-alt);
}
.plan-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  font-family: 'Cormorant Garamond', serif;
}
.plan-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.plan-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.plan-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.plan-features {
  text-align: left;
  margin-bottom: 28px;
}
.plan-features li {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li svg { color: var(--accent); flex-shrink: 0; }

/* ============================================
   VOICE Section
   ============================================ */
.voice-section {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.voice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.voice-card {
  display: flex;
  gap: 24px;
  background: #fff;
  padding: 32px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.voice-card-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
}
.voice-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.voice-card-body {
  flex: 1;
}
.voice-card-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  position: relative;
  padding-left: 20px;
}
.voice-card-text::before {
  content: '\201C';
  font-family: 'Cormorant Garamond', serif;
  font-size: 40px;
  color: var(--accent);
  position: absolute;
  left: -4px;
  top: -12px;
  line-height: 1;
}
.voice-card-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--text);
}
.voice-card-date {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-caption);
  color: var(--text-light);
  margin-top: 4px;
}

/* ============================================
   FAIR Section
   ============================================ */
.fair-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.fair-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.fair-card {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  transition: all 0.3s;
  overflow: hidden;
}
.fair-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.fair-date {
  flex-shrink: 0;
  width: 90px;
  background: var(--primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 8px;
}
.fair-date-month {
  font-family: 'Cormorant Garamond', serif;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.7;
}
.fair-date-day {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
}
.fair-date-dow {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  opacity: 0.7;
  margin-top: 2px;
}
.fair-body {
  flex: 1;
  padding: 20px 24px;
}
.fair-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.fair-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}
.fair-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--accent-pale);
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* ============================================
   ACCESS Section
   ============================================ */
.access-section {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.access-map {
  aspect-ratio: 4/3;
  background: #E5E7EB;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  position: relative;
}
.access-map-placeholder {
  text-align: center;
  padding: 20px;
}
.access-map-placeholder svg {
  margin-bottom: 12px;
  color: var(--text-light);
}
.access-info h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-h3);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
}
.access-detail {
  margin-bottom: 20px;
}
.access-detail-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.access-detail-value {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-body);
  color: var(--text);
  line-height: 1.6;
}
.access-hotel {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.access-hotel h4 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.access-hotel-list li {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.access-hotel-list li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  padding: var(--space-section) 0;
  background: var(--primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
}
.cta-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-h2);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.cta-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-body);
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
  display: inline-block;
}
.footer-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  line-height: 1.8;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.5);
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-nav-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-nav-list a {
  display: block;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: rgba(255,255,255,0.5);
  padding: 6px 0;
  transition: color 0.2s;
}
.footer-nav-list a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-caption);
  color: rgba(255,255,255,0.35);
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.back-to-top.show { opacity: 1; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ============================================
   Subpage Styles (Phase 3)
   ============================================ */

/* Page Hero */
.page-hero {
  padding: clamp(120px, 15vw, 160px) 0 clamp(40px, 5vw, 60px);
  background: var(--bg-alt);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  margin-bottom: 16px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border); }
.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}
.page-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 8px;
}

/* CTA Band */
.cta-band {
  padding: var(--space-section) 0;
  background: var(--primary);
  color: #fff;
  text-align: center;
}
.cta-band h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-h2);
  margin-bottom: 16px;
}
.cta-band p {
  font-family: 'Noto Sans JP', sans-serif;
  opacity: 0.7;
  margin-bottom: 32px;
}
.cta-band .btn-primary {
  background: var(--accent);
  color: #fff;
}
.cta-band .btn-primary:hover {
  background: var(--accent-light);
}

/* Nav Active */
.nav-link.active {
  color: var(--accent) !important;
  font-weight: 600;
}
.nav-link.active::after {
  width: 100% !important;
}

/* More Link */
.section-more {
  text-align: center;
  margin-top: var(--space-group);
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--accent);
  transition: gap 0.2s;
}
.more-link:hover { gap: 8px; }

/* ============================================
   About Page
   ============================================ */

/* Concept */
.about-concept-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.about-concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: var(--space-group);
}
.about-concept-image {
  overflow: hidden;
}
.about-concept-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.about-concept-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 2;
}
.about-concept-text p {
  margin-bottom: 20px;
}
.about-concept-text p:last-child { margin-bottom: 0; }

/* Facility Table */
.about-facility-section {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.about-facility-table-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.about-facility-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'Noto Sans JP', sans-serif;
}
.about-facility-table th,
.about-facility-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: var(--text-small);
}
.about-facility-table th {
  width: 140px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.about-facility-table td {
  color: var(--text-muted);
  line-height: 1.7;
}

/* Numbers */
.about-numbers-section {
  padding: var(--space-section) 0;
  background: var(--primary);
}
.about-numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.about-number-value {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 8px;
}
.about-number-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: rgba(255,255,255,0.7);
}

/* Accommodation */
.about-accommodation-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.about-hotel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.about-hotel-card {
  border: 1px solid var(--border);
  padding: 32px 24px;
  transition: all 0.3s;
}
.about-hotel-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.about-hotel-rank {
  display: inline-block;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 11px;
  font-weight: 600;
  background: var(--accent-pale);
  color: var(--accent);
  padding: 3px 10px;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.about-hotel-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.about-hotel-distance {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--accent);
  margin-bottom: 12px;
}
.about-hotel-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.about-hotel-price {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--text);
}

/* ============================================
   Service Page
   ============================================ */

.venue-detail-section {
  padding: var(--space-section) 0;
}
.venue-detail-section:nth-child(odd) {
  background: var(--bg-alt);
}
.venue-detail-section:nth-child(even) {
  background: var(--bg);
}
.venue-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.venue-detail-reverse .venue-detail {
  direction: rtl;
}
.venue-detail-reverse .venue-detail > * {
  direction: ltr;
}
.venue-detail-img {
  overflow: hidden;
}
.venue-detail-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.venue-detail-img:hover img {
  transform: scale(1.03);
}
.venue-detail-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: var(--text-h2);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.venue-detail-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.venue-detail-desc {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-body);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}
.venue-detail-specs {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.venue-spec {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 8px 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
}
.venue-spec-label {
  width: 100px;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--text);
}
.venue-spec-value {
  color: var(--text-muted);
}

/* ============================================
   Works / Gallery Page
   ============================================ */

.gallery-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.gallery-item-large {
  grid-column: span 2;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-item-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  font-weight: 500;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s;
}
.gallery-item:hover .gallery-item-caption {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Contact Page
   ============================================ */

.contact-form-section {
  padding: var(--space-section) 0;
  background: var(--bg);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--text);
}
.form-required {
  font-size: 11px;
  color: #EF4444;
  margin-left: 4px;
}
.form-input {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  padding: 12px 16px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  transition: border-color 0.2s;
  outline: none;
  border-radius: 0;
}
.form-input:focus {
  border-color: var(--accent);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}
.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.form-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  cursor: pointer;
}
.form-radio input[type="radio"] {
  accent-color: var(--accent);
}
.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  cursor: pointer;
}
.form-checkbox input[type="checkbox"] {
  accent-color: var(--accent);
}

/* Contact sidebar */
.contact-info-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 100px;
}
.contact-info-card {
  border: 1px solid var(--border);
  padding: 28px 24px;
  background: var(--bg-alt);
}
.contact-info-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.contact-info-card p {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.7;
}
.contact-phone {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}
.contact-hours {
  font-size: var(--text-caption) !important;
  color: var(--text-light) !important;
}

/* FAQ */
.faq-section {
  padding: var(--space-section) 0;
  background: var(--bg-alt);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  font-weight: 700;
  border-radius: 50%;
}
.faq-answer {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--text-small);
  color: var(--text-muted);
  line-height: 1.8;
  padding-left: 40px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hall-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-card:last-child { grid-column: 1 / -1; max-width: 400px; margin: 0 auto; }
  .about-hotel-grid { grid-template-columns: 1fr 1fr; }
  .about-hotel-grid > :last-child { grid-column: 1 / -1; max-width: 400px; margin: 0 auto; }
  .venue-detail { grid-template-columns: 1fr; gap: 32px; }
  .venue-detail-reverse .venue-detail { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-info-side { position: static; }
}

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

  .hero-title { font-size: clamp(28px, 8vw, 40px); }
  .hero-buttons { flex-direction: column; align-items: center; }

  .hall-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .plan-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .plan-card:last-child { max-width: none; }
  .voice-grid { grid-template-columns: 1fr; }
  .voice-card { flex-direction: column; align-items: center; text-align: center; }
  .voice-card-text { padding-left: 0; }
  .voice-card-text::before { display: none; }

  .fair-list { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .access-grid { grid-template-columns: 1fr; }
  .access-map { max-height: 300px; }

  .about-concept-grid { grid-template-columns: 1fr; }
  .about-numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .about-hotel-grid { grid-template-columns: 1fr; }
  .about-hotel-grid > :last-child { max-width: none; }
  .about-facility-table th { width: 100px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item-large { grid-column: span 2; }

  .form-row { grid-template-columns: 1fr; }
  .form-radio-group { flex-direction: column; gap: 8px; }

  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .btn-primary, .btn-secondary, .btn-dark { width: 100%; justify-content: center; }
  .about-numbers-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-large { grid-column: span 1; }
}
