/* ============================================================
   Hair Salon Blanc — 共通スタイルシート (5ページ版)
   ============================================================ */

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

:root {
  --gold: #C9A84C;
  --gold-light: #e8d49a;
  --black: #111111;
  --white: #FAFAF8;
  --gray: #888;
  --light: #f4f4f2;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--black);
  background: var(--white);
  font-weight: 300;
  line-height: 1.8;
}

/* ── ナビ ── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 40px; height: 70px;
  background: rgba(250,250,248,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201,168,76,.2);
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem; letter-spacing: .08em;
  color: var(--black); text-decoration: none; white-space: nowrap;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--black); text-decoration: none; font-weight: 400;
  transition: color .2s; padding-bottom: 4px;
  border-bottom: 1.5px solid transparent;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold); border-bottom-color: var(--gold); }
.nav-reserve {
  background: var(--gold); color: #fff;
  padding: 9px 22px; border-radius: 2px;
  font-size: .78rem; letter-spacing: .1em;
  text-decoration: none; transition: opacity .2s; white-space: nowrap;
}
.nav-reserve:hover { opacity: .85; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 24px; height: 1.5px; background: var(--black); transition: .3s; }

/* モバイルメニュー */
.mobile-nav {
  position: fixed; top: 70px; left: 0; right: 0; z-index: 190;
  background: var(--white); border-bottom: 1px solid #ddd;
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.mobile-nav.open { max-height: 400px; }
.mobile-nav ul { list-style: none; padding: 16px 0; }
.mobile-nav li a {
  display: block; padding: 12px 32px;
  font-size: .9rem; letter-spacing: .1em;
  color: var(--black); text-decoration: none;
}
.mobile-nav li a:hover { color: var(--gold); }
.mobile-reserve {
  background: var(--gold); color: #fff !important;
  margin: 8px 32px; border-radius: 2px; text-align: center;
}

/* ── ページヘッダー ── */
.page-header {
  margin-top: 70px; height: 300px;
  position: relative; display: flex;
  align-items: center; justify-content: center;
  overflow: hidden;
}
.page-header-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.page-header-bg::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,.5);
}
.page-header-content {
  position: relative; z-index: 1; text-align: center; color: #fff;
}
.page-header-content .section-label {
  color: var(--gold-light); margin-bottom: 8px;
}
.page-header-content h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 5vw, 3rem);
}

/* ── ヒーロー (TOP用) ── */
#hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin-top: 70px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1560066984-138dadb4c035?w=1600&auto=format&fit=crop') center/cover no-repeat;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.3) 100%);
}
.hero-content {
  position: relative; z-index: 1; text-align: center; color: #fff; padding: 0 20px;
}
.hero-sub {
  font-size: .75rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 20px;
  opacity: 0; animation: fadeUp .8s .3s forwards;
}
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem); line-height: 1.25; margin-bottom: 20px;
  opacity: 0; animation: fadeUp .8s .5s forwards;
}
.hero-catch {
  font-size: clamp(.88rem, 2vw, 1.05rem); font-weight: 300; margin-bottom: 48px;
  opacity: 0; animation: fadeUp .8s .7s forwards;
}
.hero-btns {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  opacity: 0; animation: fadeUp .8s .9s forwards;
}

/* ── セクション共通 ── */
.section { padding: 100px 40px; }
.section-dark { background: var(--black); }
.container { max-width: 1080px; margin: 0 auto; }
.section-label {
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px; display: block;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 48px; line-height: 1.3;
}
.text-muted { color: #555; font-size: .93rem; }

/* ── ボタン ── */
.btn-primary {
  background: var(--gold); color: #fff;
  padding: 15px 38px; text-decoration: none;
  font-size: .85rem; letter-spacing: .15em;
  border-radius: 2px; transition: opacity .2s; display: inline-block;
}
.btn-primary:hover { opacity: .85; }
.btn-outline {
  border: 1.5px solid rgba(255,255,255,.7); color: #fff;
  padding: 15px 38px; text-decoration: none;
  font-size: .85rem; letter-spacing: .15em;
  border-radius: 2px; transition: all .2s; display: inline-block;
}
.btn-outline:hover { background: rgba(255,255,255,.1); }
.btn-gold {
  background: transparent; border: 1.5px solid var(--gold); color: var(--gold);
  padding: 12px 32px; text-decoration: none; font-size: .82rem;
  letter-spacing: .12em; border-radius: 2px; transition: all .2s; display: inline-block;
}
.btn-gold:hover { background: var(--gold); color: #fff; }

/* ── 2カラムレイアウト ── */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }
.col-img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 2px; }

/* ── お知らせ ── */
.news-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex; gap: 32px; align-items: flex-start;
  padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,.1);
}
.news-date {
  font-size: .78rem; color: var(--gold); white-space: nowrap;
  font-family: 'Playfair Display', serif; padding-top: 3px;
}
.news-body strong { display: block; color: #fff; font-size: .92rem; margin-bottom: 4px; }
.news-body p { font-size: .82rem; color: rgba(255,255,255,.6); }

/* ── ギャラリー (プレビュー) ── */
.gallery-grid-small {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.gallery-grid-small img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 2px; }

/* ── フッター ── */
.site-footer { background: #0a0a0a; padding: 48px 40px; }
.footer-inner { max-width: 1080px; margin: 0 auto; text-align: center; }
.footer-logo {
  font-family: 'Playfair Display', serif; font-size: 1.5rem;
  color: #fff; display: block; margin-bottom: 16px;
}
.footer-logo span { color: var(--gold); }
.footer-sns { display: flex; gap: 24px; justify-content: center; margin: 16px 0 20px; }
.footer-sns a { color: rgba(255,255,255,.5); font-size: .78rem; text-decoration: none; transition: color .2s; }
.footer-sns a:hover { color: var(--gold); }
.footer-addr { font-size: .78rem; color: rgba(255,255,255,.4); margin-bottom: 12px; }
.footer-copy { font-size: .72rem; color: rgba(255,255,255,.3); }

/* ── アニメーション ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── レスポンシブ ── */
@media (max-width: 768px) {
  .site-nav { padding: 0 20px; }
  .nav-links, .nav-reserve { display: none; }
  .hamburger { display: flex; }
  .section { padding: 60px 20px; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .two-col.reverse { direction: ltr; }
  .col-img { aspect-ratio: 3/2; }
  .gallery-grid-small { grid-template-columns: repeat(2, 1fr); }
  .news-item { flex-direction: column; gap: 8px; }
  .page-header { height: 200px; }
}