/* =========================================================
   Lumière — 美容室サンプルサイト スタイル
   エレガント／上品系。ベージュ×ゴールド×ダークブラウン。
   ========================================================= */

/* ── 変数 ── */
:root {
  --color-bg:        #0e0e0e;
  --color-bg-alt:    #161616;
  --color-text:      #e6e2da;
  --color-muted:     #9a948a;
  --color-dark:      #050505;
  --color-gold:      #c9a96a;
  --color-gold-dark: #a8884d;
  --color-line:      #2a2a2a;
  --font-serif-en:   'Cormorant Garamond', serif;
  --font-serif-jp:   'Noto Serif JP', serif;
  --header-h:        72px;
  --maxw:            1120px;
  --ease:            cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── リセット ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-serif-jp);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.04em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ── 共通レイアウト ── */
.container { width: 90%; max-width: var(--maxw); margin-inline: auto; }
.section { padding: 100px 0; }
.section--alt { background: var(--color-bg-alt); }

.section__head { text-align: center; margin-bottom: 56px; }
.section__en {
  font-family: var(--font-serif-en);
  font-size: 0.95rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}
.section__title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.08em;
  line-height: 1.5;
}
.section__subtitle {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ── ボタン ── */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-serif-jp);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  border-radius: 2px;
  transition: all 0.4s var(--ease);
  cursor: pointer;
}
.btn--gold {
  background: var(--color-gold);
  color: #fff;
  border: 1px solid var(--color-gold);
}
.btn--gold:hover { background: var(--color-gold-dark); border-color: var(--color-gold-dark); transform: translateY(-2px); }
.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-gold);
}
.btn--outline:hover { background: var(--color-gold); color: #0e0e0e; transform: translateY(-2px); }

/* ── ヘッダー ── */
.site-header {
  position: fixed; inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(250, 247, 242, 0);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.scrolled {
  background: rgba(14, 14, 14, 0.92);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-family: var(--font-serif-en);
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  position: relative;
  transition: color 0.3s;
}
.nav a:not(.nav__cta)::after {
  content: ''; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--color-gold);
  transition: width 0.3s var(--ease);
}
.nav a:not(.nav__cta):hover::after { width: 100%; }
.nav__cta {
  padding: 10px 24px;
  background: var(--color-gold);
  color: #fff;
  border-radius: 2px;
  transition: background 0.3s;
}
.nav__cta:hover { background: var(--color-gold-dark); }

/* ハンバーガー */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { width: 26px; height: 2px; background: var(--color-gold); transition: transform 0.3s, opacity 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── ヒーロー ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  background:
    linear-gradient(135deg, #1c1a16 0%, #0e0d0b 45%, #000 100%);
  overflow: hidden;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 72% 32%, rgba(201,169,106,0.18), transparent 55%);
}
.hero__inner { position: relative; z-index: 2; color: #fff; }
.hero__sub {
  font-family: var(--font-serif-en);
  letter-spacing: 0.3em;
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.2s forwards;
}
.hero__title {
  font-weight: 500;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1.4;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 30px rgba(0,0,0,0.15);
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.45s forwards;
}
.hero__lead {
  margin-top: 24px;
  font-size: 1.05rem;
  line-height: 2;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.7s forwards;
}
.hero .btn {
  margin-top: 40px;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp 1s var(--ease) 0.95s forwards;
}
.hero__scroll {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 2; color: #fff;
  font-family: var(--font-serif-en); font-size: 0.75rem; letter-spacing: 0.25em;
  writing-mode: vertical-rl;
}
.hero__scroll::after {
  content: ''; display: block; width: 1px; height: 50px;
  background: #fff; margin: 12px auto 0;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes scrollLine { 0%,100% { transform: scaleY(0.3); transform-origin: top; } 50% { transform: scaleY(1); } }

/* ── コンセプト ── */
.concept { background: var(--color-bg-alt); }
.concept__body { max-width: 760px; margin-inline: auto; text-align: center; }
.concept__body p + p { margin-top: 24px; }

/* ── メニュー ── */
.menu__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.menu-card {
  background: #161616;
  border: 1px solid var(--color-line);
  padding: 40px 32px;
  text-align: center;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}
.menu-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.5); border-color: var(--color-gold); }
.menu-card h3 { font-weight: 500; font-size: 1.3rem; letter-spacing: 0.08em; margin-bottom: 14px; }
.menu-card__desc { font-size: 0.9rem; color: var(--color-muted); min-height: 3.4em; }
.menu-card__price {
  margin-top: 18px;
  font-family: var(--font-serif-en);
  font-size: 1.5rem;
  color: var(--color-gold-dark);
  letter-spacing: 0.05em;
}

/* ── ギャラリー ── */
.gallery { background: var(--color-bg-alt); }
.gallery__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery__item {
  position: relative;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, #232323, #111);
  border: 1px solid var(--color-line);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.gallery__item span {
  font-family: var(--font-serif-en);
  letter-spacing: 0.2em;
  color: rgba(201,169,106,0.7);
  font-size: 1.1rem;
}
.gallery__item::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(43,38,32,0); transition: background 0.4s;
}
.gallery__item:hover::after { background: rgba(201,169,106,0.12); }
.gallery__note { text-align: center; margin-top: 24px; font-size: 0.85rem; color: var(--color-muted); }

/* ── スタッフ ── */
.staff__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.staff-card { text-align: center; }
.staff-card__photo {
  aspect-ratio: 1;
  border-radius: 50%;
  width: 180px; margin: 0 auto 24px;
  background: linear-gradient(135deg, #262626, #111);
  border: 1px solid var(--color-line);
  display: flex; align-items: center; justify-content: center;
}
.staff-card__photo span { color: rgba(201,169,106,0.7); font-family: var(--font-serif-en); letter-spacing: 0.2em; }
.staff-card h3 { font-weight: 500; font-size: 1.2rem; letter-spacing: 0.08em; }
.staff-card__role {
  font-family: var(--font-serif-en);
  color: var(--color-gold);
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin: 6px 0 14px;
}
.staff-card__bio { font-size: 0.9rem; color: var(--color-muted); }

/* ── ご予約 CTA ── */
.reserve {
  background: linear-gradient(135deg, #000 0%, #1a1611 100%);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  color: #fff;
  text-align: center;
}
.reserve .section__en { color: var(--color-gold); }
.reserve .section__title { color: #fff; }
.reserve__lead { margin: 20px 0 36px; color: rgba(255,255,255,0.8); }
.reserve__actions { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.reserve .btn--outline { color: #fff; border-color: rgba(255,255,255,0.6); }
.reserve .btn--outline:hover { background: #fff; color: var(--color-dark); }
.reserve__hours { margin-top: 32px; font-size: 0.85rem; color: rgba(255,255,255,0.6); letter-spacing: 0.1em; }

/* ── アクセス ── */
.access__body { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.access__info dl { display: grid; grid-template-columns: 100px 1fr; row-gap: 20px; }
.access__info dt { font-weight: 500; color: var(--color-gold-dark); letter-spacing: 0.08em; }
.access__info dd { color: var(--color-text); }
.access__map-placeholder {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #222, #0d0d0d);
  border: 1px solid var(--color-line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif-en); letter-spacing: 0.2em; color: rgba(201,169,106,0.7);
}

/* ── フッター ── */
.site-footer { background: var(--color-dark); color: rgba(255,255,255,0.7); padding: 48px 0; text-align: center; }
.footer__logo { font-family: var(--font-serif-en); font-size: 1.6rem; color: #fff; margin-bottom: 12px; letter-spacing: 0.08em; }
.footer__copy { font-size: 0.8rem; letter-spacing: 0.05em; }

/* ── スクロール出現アニメ ── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ── レスポンシブ ── */
@media (max-width: 900px) {
  .menu__grid, .gallery__grid, .staff__grid { grid-template-columns: repeat(2, 1fr); }
  .access__body { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 0;
    background: rgba(14,14,14,0.98);
    padding: 8px 0;
    box-shadow: 0 12px 24px rgba(0,0,0,0.5);
    transform: translateY(-120%);
    transition: transform 0.4s var(--ease);
  }
  .nav.open { transform: translateY(0); }
  .nav a { width: 100%; text-align: center; padding: 16px 0; border-bottom: 1px solid var(--color-line); }
  .nav__cta { border-radius: 0; }
  .hamburger { display: flex; }
}
@media (max-width: 480px) {
  .menu__grid, .gallery__grid, .staff__grid { grid-template-columns: 1fr; }
  .reserve__actions { flex-direction: column; align-items: center; }
}