/* ===== COMMON STYLES ===== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Shippori+Mincho:wght@400;500;600&display=swap');

:root {
  --bg: #0e0c0a;
  --surface: #161410;
  --border: #2a2520;
  --accent: #c9a96e;
  --accent2: #8b6f47;
  --text: #e8e0d4;
  --text-muted: #7a6e62;
  --topbar-h: 52px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Shippori Mincho', serif;
  min-height: 100%;
}

/* BG */
.bg-deco { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.bg-deco::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201,169,110,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.bg-deco::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0,0,0,0.7) 100%);
}

/* TOPBAR */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  display: flex; align-items: center;
  padding: 0 1.5rem;
  background: rgba(14,12,10,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  z-index: 100; gap: 1.5rem;
}

.topbar-logo {
  display: flex; align-items: baseline; gap: 0.5rem;
  text-decoration: none; flex-shrink: 0;
}
.logo-en {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic; font-size: 1.1rem;
  color: var(--accent); letter-spacing: 0.08em;
}
.logo-ja { font-size: 0.58rem; color: var(--text-muted); letter-spacing: 0.15em; }

.topbar-nav { display: flex; align-items: center; flex: 1; }
.tnav-item {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.7rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-muted);
  text-decoration: none; padding: 0 0.9rem; height: var(--topbar-h);
  display: flex; align-items: center;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
.tnav-item:hover { color: var(--text); }
.tnav-item.active { color: var(--accent); border-bottom-color: var(--accent); }

.topbar-sns { display: flex; gap: 0.8rem; flex-shrink: 0; }
.topbar-sns a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.62rem; letter-spacing: 0.18em;
  color: var(--text-muted); text-decoration: none;
  text-transform: uppercase; transition: color 0.2s;
}
.topbar-sns a:hover { color: var(--accent); }

/* HAMBURGER (mobile) */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; margin-left: auto;
  background: none; border: none;
}
.hamburger span {
  display: block; width: 22px; height: 1px;
  background: var(--text-muted); transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* MOBILE MENU */
.mobile-menu {
  display: none; position: fixed;
  top: var(--topbar-h); left: 0; right: 0;
  background: rgba(14,12,10,0.98);
  border-bottom: 1px solid var(--border);
  z-index: 99; padding: 1rem 1.5rem 1.5rem;
  flex-direction: column; gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-muted);
  text-decoration: none; padding: 0.85rem 0;
  border-bottom: 1px solid var(--border); transition: color 0.2s;
}
.mobile-menu a:first-child { border-top: 1px solid var(--border); }
.mobile-menu a.active { color: var(--accent); }
.mobile-menu a:hover { color: var(--text); }
.mobile-sns {
  display: flex; gap: 1rem; padding-top: 1rem;
}
.mobile-sns a {
  font-size: 0.7rem; border: none !important;
  padding: 0 !important; color: var(--text-muted);
}

/* OVERLAY */
.overlay {
  position: fixed; inset: 0;
  background: var(--bg); z-index: 200;
  opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
.overlay.show { opacity: 1; pointer-events: all; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes charSlideUp {
  from { opacity: 0; transform: translateY(60px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .topbar-nav, .topbar-sns { display: none; }
  .hamburger { display: flex; }

  .page-desktop { display: none !important; }
  .page-mobile  { display: flex !important; }
}

@media (min-width: 769px) {
  .page-mobile { display: none !important; }
  .page-desktop { display: grid !important; }
  .hamburger { display: none; }
  .mobile-menu { display: none !important; }
}

/* ===== LOADING SCREEN ===== */
#loading-screen {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1.5rem;
}

#loading-screen.loading-hide {
  opacity: 0;
  transition: opacity 0.7s ease;
}

/* ロゴ文字 */
.loading-logo {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 2.8rem;
  letter-spacing: 0.12em;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 0;
  overflow: hidden;
}

/* 各文字が順番にフェードアップ */
.loading-logo span {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: loadChar 0.5s ease forwards;
}
.loading-logo span.accent { color: var(--accent); }

.loading-logo span:nth-child(1) { animation-delay: 0.05s; }
.loading-logo span:nth-child(2) { animation-delay: 0.12s; }
.loading-logo span:nth-child(3) { animation-delay: 0.19s; }
.loading-logo span:nth-child(4) { animation-delay: 0.26s; }
.loading-logo span:nth-child(5) { animation-delay: 0.33s; }
.loading-logo span:nth-child(6) { animation-delay: 0.40s; }
.loading-logo span:nth-child(7) { animation-delay: 0.47s; }
.loading-logo span:nth-child(8) { animation-delay: 0.54s; }

@keyframes loadChar {
  to { opacity: 1; transform: translateY(0); }
}

/* 下のライン */
.loading-line {
  width: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: loadLine 0.8s ease 0.7s forwards;
}
@keyframes loadLine {
  to { width: 120px; }
}

/* サブテキスト */
.loading-sub {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0;
  animation: fadeIn 0.6s ease 1s forwards;
}