/* ===== 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: #0a0608;
  --surface: #130d0e;
  --border: #2a3a38;
  --accent: #2C7969;
  --accent2: #2C7969;
  --accent3: #1a4d42;
  --teal: #2C7969;
  --gold: #716954;
  --navy: #4B495F;
  --text: #ddeae8;
  --text-muted: #cce0dc;
  --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(227,169,129,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(227,169,129,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.bg-deco::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.85) 100%);
}

/* 背景イラスト */
.bg-image {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: url("Background.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0.08;
}

/* 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(10,6,8,0.98);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  z-index: 100; gap: 1.5rem;
}

.topbar-logo {
  display: flex; align-items: center;
  text-decoration: none; flex-shrink: 0;
}
.topbar-logo img {
  height: 32px; width: auto; max-width: 160px; object-fit: contain;
  filter: brightness(1.1);
}
/* ネームロゴ画像がない場合のフォールバック */
.topbar-logo-fallback {
  display: none;
  align-items: baseline; gap: 0.5rem;
}
.topbar-logo img[data-error] + .topbar-logo-fallback { display: flex; }
.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: #cce0dc;
  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: #ddeae8; }
.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; color: #cce0dc; transition: color 0.2s;
}
.topbar-sns a:hover { color: #2C7969; }

/* HAMBURGER */
.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(10,6,8,0.98);
  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 nunUp {
  0%   { opacity: 0; transform: translateY(80px) scaleY(0.92); }
  60%  { opacity: 1; transform: translateY(-8px) scaleY(1.02); }
  80%  { transform: translateY(4px) scaleY(0.99); }
  100% { opacity: 1; transform: translateY(0) scaleY(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(--accent3); border-radius: 2px; }

/* RESPONSIVE */
/* デフォルト: スマホ優先 */
.page-desktop { display: none; }
.page-mobile  { display: none; }

@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 !important; }
  .mobile-menu  { display: none !important; }
}

/* テキスト選択時のカラー */
::selection { background: #2C7969 !important; color: #ffffff !important; }
::-moz-selection { background: #2C7969 !important; color: #ffffff !important; }

/* ===== 表題スタイル統一 ===== */
.page-label {
  font-family: 'Cormorant Garamond', serif !important;
  font-size: 0.7rem !important;
  letter-spacing: 0.3em !important;
  text-transform: uppercase !important;
  color: #2C7969 !important;
  margin-bottom: 0.4rem;
  display: block;
}
.page-title {
  font-family: 'Shippori Mincho', serif !important;
  font-weight: 600 !important;
  font-size: clamp(1.6rem, 3vw, 2.4rem) !important;
  letter-spacing: 0.08em !important;
  color: #ddeae8 !important;
  margin-bottom: 1.2rem;
  display: block;
}

/* ギャラリーグリッド統一 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 0.85rem;
}
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
}