@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;700&family=Cinzel:wght@400;700&family=Noto+Sans+JP:wght@300;400&display=swap');

:root {
  --gold: #C9A84C;
  --gold-light: #E8C96B;
  --dark: #0A0A0A;
  --dark2: #141414;
  --dark3: #1E1A14;
  --text: #F0E8D8;
  --text-muted: #A89878;
  --section-bg1: #1A1208;
  --section-bg2: #0D1A0D;
  --section-bg3: #1A0D0D;
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--dark); color: var(--text); font-family: 'Noto Sans JP', sans-serif; font-weight: 300; line-height: 1.8; }

/* ===== HEADER ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,10,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201,168,76,0.3);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 60px;
}
.header-logo { font-family: 'Cinzel', serif; font-size: 18px; color: var(--gold); text-decoration: none; letter-spacing: 0.1em; }
header nav ul { list-style: none; display: flex; gap: 28px; }
header nav a { color: var(--text-muted); text-decoration: none; font-size: 12px; letter-spacing: 0.12em; transition: color 0.3s; position: relative; }
header nav a:hover { color: var(--gold); }
header nav a.active { color: var(--gold); }
header nav a.active::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 1px; background: var(--gold); }
.btn-ticket { background: var(--gold); color: var(--dark); padding: 8px 20px; font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-decoration: none; transition: background 0.3s; }
.btn-ticket:hover { background: var(--gold-light); }

/* ===== HAMBURGER ===== */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 36px; height: 36px; background: none; border: none;
  cursor: pointer; padding: 4px; z-index: 200;
}
.hamburger span { display: block; width: 100%; height: 1.5px; background: var(--gold); transition: transform 0.35s, opacity 0.35s; transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none; position: fixed; inset: 0;
  background: rgba(10,10,10,0.97); z-index: 150;
  flex-direction: column; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.35s;
}
.mobile-menu.open { display: flex; opacity: 1; }
.mobile-menu a {
  display: block; color: var(--text-muted); text-decoration: none;
  font-family: 'Cinzel', serif; font-size: 14px; letter-spacing: 0.35em;
  padding: 18px 40px; border-bottom: 1px solid rgba(201,168,76,0.1);
  width: 260px; text-align: center; transition: color 0.3s, background 0.3s;
}
.mobile-menu a:first-child { border-top: 1px solid rgba(201,168,76,0.1); }
.mobile-menu a:hover { color: var(--gold); background: rgba(201,168,76,0.05); }
.mobile-menu .menu-ticket { margin-top: 28px; background: var(--gold); color: var(--dark) !important; font-weight: 700; border: none !important; }
.mobile-menu .menu-ticket:hover { background: var(--gold-light) !important; }

@media (max-width: 900px) {
  header nav, header .btn-ticket { display: none; }
  .hamburger { display: flex; }
}

/* ===== SUB HERO ===== */
.sub-hero { padding-top: 60px; background: var(--dark3); text-align: center; padding-bottom: 60px; border-bottom: 1px solid rgba(201,168,76,0.15); position: relative; overflow: hidden; }
.sub-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 100%, rgba(201,168,76,0.08) 0%, transparent 60%); }
.sub-hero-inner { position: relative; padding-top: 60px; }
.sub-hero-label { font-family: 'Cinzel', serif; font-size: 11px; letter-spacing: 0.4em; color: var(--gold); text-transform: uppercase; margin-bottom: 12px; }
.sub-hero-title { font-family: 'Noto Serif JP', serif; font-size: clamp(24px, 4vw, 40px); font-weight: 300; letter-spacing: 0.2em; }
.sub-hero-back { display: inline-flex; align-items: center; gap: 8px; margin-top: 28px; font-size: 12px; color: var(--text-muted); text-decoration: none; letter-spacing: 0.15em; transition: color 0.3s; }
.sub-hero-back:hover { color: var(--gold); }
.sub-hero-back::before { content: '\2190'; margin-right: 4px; }

/* ===== SECTIONS ===== */
section { padding: 80px 0; }
.section-inner { max-width: 960px; margin: 0 auto; padding: 0 32px; }
.section-label { text-align: center; font-family: 'Cinzel', serif; font-size: 11px; letter-spacing: 0.4em; color: var(--gold); text-transform: uppercase; margin-bottom: 8px; display: block; }
.section-title { text-align: center; font-family: 'Noto Serif JP', serif; font-size: clamp(22px, 3vw, 32px); font-weight: 300; letter-spacing: 0.15em; margin-bottom: 60px; display: block; }
.divider { width: 60px; height: 1px; background: var(--gold); margin: 24px auto; opacity: 0.6; }
.text-center { text-align: center; }

/* ===== BUTTONS ===== */
.btn-primary { display: inline-block; background: transparent; border: 1px solid var(--gold); color: var(--gold); padding: 14px 40px; font-size: 13px; letter-spacing: 0.2em; text-decoration: none; transition: all 0.3s; margin: 0 8px; }
.btn-primary:hover { background: var(--gold); color: var(--dark); }
.btn-primary.filled { background: var(--gold); color: var(--dark); }
.btn-primary.filled:hover { background: var(--gold-light); }
.btn-more { display: inline-block; margin-top: 40px; padding: 12px 36px; border: 1px solid rgba(201,168,76,0.4); color: var(--gold); font-size: 12px; letter-spacing: 0.25em; text-decoration: none; transition: all 0.3s; }
.btn-more:hover { background: rgba(201,168,76,0.1); border-color: var(--gold); }

/* ===== HOME BUTTON ===== */
.home-btn-wrap { text-align: center; padding: 60px 0 80px; background: var(--dark); border-top: 1px solid rgba(201,168,76,0.15); }
.home-btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 48px; border: 1px solid rgba(201,168,76,0.5); color: var(--gold); font-family: 'Cinzel', serif; font-size: 13px; letter-spacing: 0.3em; text-decoration: none; text-transform: uppercase; transition: all 0.35s; position: relative; overflow: hidden; }
.home-btn::before { content: ''; position: absolute; inset: 0; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease; z-index: 0; }
.home-btn:hover::before { transform: scaleX(1); }
.home-btn span, .home-btn svg { position: relative; z-index: 1; transition: color 0.35s; }
.home-btn:hover span { color: var(--dark); }
.home-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
.home-btn:hover svg { stroke: var(--dark); }

/* ===== FOOTER ===== */
footer { background: #050505; border-top: 1px solid rgba(201,168,76,0.2); padding: 60px 32px 32px; }
.footer-inner { max-width: 960px; margin: 0 auto; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 48px; gap: 40px; }
.footer-logo { font-family: 'Cinzel', serif; font-size: 20px; color: var(--gold); margin-bottom: 8px; }
.footer-org { font-size: 12px; color: var(--text-muted); line-height: 1.9; }
.footer-sns { display: flex; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.sns-btn { display: flex; align-items: center; gap: 10px; padding: 10px 20px; border: 1px solid rgba(201,168,76,0.3); color: var(--text-muted); text-decoration: none; font-size: 12px; letter-spacing: 0.1em; transition: all 0.3s; }
.sns-btn:hover { border-color: var(--gold); color: var(--gold); }
.sns-btn svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
.footer-nav { display: flex; gap: 32px; }
.footer-nav-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-nav-col a { font-size: 12px; color: var(--text-muted); text-decoration: none; letter-spacing: 0.1em; transition: color 0.3s; }
.footer-nav-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; text-align: center; font-size: 11px; color: var(--text-muted); letter-spacing: 0.1em; }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  header { padding: 0 16px; }
  .footer-top { flex-direction: column; }
  .footer-nav { flex-direction: column; gap: 24px; }
  section { padding: 60px 0; }
  .section-inner { padding: 0 20px; }
}