/* ==============================================
   Hair Salon RICHE - Main Stylesheet
   ================================================
   【画像メンテナンス性の設計思想】
   - すべての背景画像は CSS カスタムプロパティ（変数）で管理
   - 画像を差し替える場合は :root の変数値を変更するだけで全ページに反映
   - 画像パスはここに集中管理しているため、専門知識不要で安全に変更可能
   ============================================== */

/* -----------------------------------------------
   1. CSS カスタムプロパティ（デザイントークン）
   ----------------------------------------------- */
:root {
  /* --- カラーパレット --- */
  --color-white:       #FFFFFF;
  --color-bg-light:    #F5F5F5;
  --color-bg-section:  #FAFAF8;
  --color-black:       #1A1A1A;
  --color-gold:        #C9A96E;
  --color-gold-light:  #E8D5B0;
  --color-gold-dark:   #A8854A;
  --color-gray-mid:    #888888;
  --color-gray-border: #E0E0E0;
  --color-overlay:     rgba(26, 26, 26, 0.45);
  --color-overlay-dark:rgba(26, 26, 26, 0.65);

  /* --- フォント --- */
  --font-serif:   'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --font-sans:    'Jost', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-accent:  'Cormorant Garamond', Georgia, serif;

  /* --- フォントサイズ --- */
  --fs-xs:   0.75rem;   /* 12px */
  --fs-sm:   0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-md:   1.125rem;  /* 18px */
  --fs-lg:   1.375rem;  /* 22px */
  --fs-xl:   1.75rem;   /* 28px */
  --fs-2xl:  2.25rem;   /* 36px */
  --fs-3xl:  3rem;      /* 48px */
  --fs-4xl:  4rem;      /* 64px */

  /* --- スペーシング --- */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  6rem;
  --space-2xl: 8rem;

  /* --- レイアウト --- */
  --max-width: 1200px;
  --header-h:  80px;

  /* --- ボーダー/シャドウ --- */
  --border-gold:   1px solid var(--color-gold);
  --border-light:  1px solid var(--color-gray-border);
  --shadow-card:   0 8px 40px rgba(0,0,0,0.08);
  --shadow-hover:  0 16px 60px rgba(0,0,0,0.14);
  --shadow-gold:   0 4px 20px rgba(201,169,110,0.25);

  /* --- トランジション --- */
  --transition-fast:   0.2s ease;
  --transition-base:   0.35s ease;
  --transition-slow:   0.6s ease;

  /* ==============================================
     【画像パス変数】
     ここの URL を変更するだけで全ページの画像が差し替わります。
     Unsplash から新しい画像 URL を取得し、下記を上書きしてください。
     ============================================== */

  /* ヒーロースライドショー画像 (3枚) */
  --img-hero-1: url('https://images.unsplash.com/photo-1522337360788-8b13dee7a37e?w=1920&q=85&fit=crop');
  --img-hero-2: url('https://images.unsplash.com/photo-1560066984-138dadb4c035?w=1920&q=85&fit=crop');
  --img-hero-3: url('https://images.unsplash.com/photo-1559599101-f09722fb4948?w=1920&q=85&fit=crop');

  /* コンセプトセクション背景 */
  --img-concept: url('https://images.unsplash.com/photo-1521590832167-7bcbfaa6381f?w=1400&q=85&fit=crop');

  /* メニューページ ヒーロー */
  --img-menu-hero: url('https://images.unsplash.com/photo-1562322140-8baeececf3df?w=1920&q=85&fit=crop');

  /* サロン情報ページ ヒーロー */
  --img-salon-hero: url('https://images.unsplash.com/photo-1600948836101-f9ffda59d250?w=1920&q=85&fit=crop');

  /* サロン内観画像 */
  --img-interior-1: url('https://images.unsplash.com/photo-1633681926022-84c23e8cb2d6?w=800&q=85&fit=crop');
  --img-interior-2: url('https://images.unsplash.com/photo-1582095133179-bfd08e2fb6b4?w=800&q=85&fit=crop');

  /* スタイリスト写真 */
  --img-stylist-1: url('https://images.unsplash.com/photo-1594744803329-e58b31de8bf5?w=600&q=85&fit=crop&face');
  --img-stylist-2: url('https://images.unsplash.com/photo-1573497019940-1c28c88b4f3e?w=600&q=85&fit=crop&face');
  --img-stylist-3: url('https://images.unsplash.com/photo-1607746882042-944635dfe10e?w=600&q=85&fit=crop&face');
}

/* -----------------------------------------------
   2. CSS リセット & ベース
   ----------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-black);
  background-color: var(--color-white);
  line-height: 1.8;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* -----------------------------------------------
   3. ユーティリティ
   ----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-padding {
  padding: var(--space-xl) 0;
}

.section-padding--lg {
  padding: var(--space-2xl) 0;
}

.text-center { text-align: center; }
.text-gold   { color: var(--color-gold); }

/* --- セクション見出し共通スタイル --- */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-heading__en {
  display: block;
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.section-heading__ja {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 500;
  color: var(--color-black);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.section-heading__bar {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 0 auto var(--space-sm);
}

.section-heading__desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-mid);
  letter-spacing: 0.04em;
  line-height: 2;
  max-width: 560px;
  margin: 0 auto;
}

/* -----------------------------------------------
   4. ボタン
   ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 0;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
  border: 1px solid var(--color-gold);
}

.btn--primary:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.7);
}

.btn--outline-white:hover {
  background: var(--color-white);
  color: var(--color-black);
}

.btn--dark {
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
}

.btn--dark:hover {
  background: #333;
  transform: translateY(-2px);
  color: var(--color-white);
}

/* -----------------------------------------------
   5. ヘッダー
   ----------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,169,110,0.2);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ロゴ */
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}

.site-logo__en {
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-black);
}

.site-logo__ja {
  font-size: var(--fs-xs);
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-top: 2px;
}

/* グローバルナビ */
.global-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.global-nav__list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.global-nav__link {
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--color-black);
  position: relative;
  padding-bottom: 4px;
}

.global-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.global-nav__link:hover::after,
.global-nav__link.active::after {
  width: 100%;
}

.global-nav__link.active {
  color: var(--color-gold);
}

/* WEB予約ボタン */
.btn--reserve {
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-black);
  padding: 0.65rem 1.5rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  transition: all var(--transition-base);
}

.btn--reserve:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  z-index: 1100;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-black);
  transition: all var(--transition-base);
}

.hamburger.open .hamburger__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger.open .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .hamburger__line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* モバイルナビ */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  text-align: center;
}

.mobile-nav__link {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  letter-spacing: 0.1em;
  color: var(--color-black);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--color-gold);
}

.mobile-nav__link span {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 4px;
}

/* -----------------------------------------------
   6. フッター
   ----------------------------------------------- */
.site-footer {
  background: var(--color-black);
  color: rgba(255,255,255,0.7);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  align-items: start;
}

.footer-logo .site-logo__en {
  color: var(--color-white);
  font-size: 1.3rem;
}

.footer-logo .site-logo__ja {
  color: var(--color-gold);
}

.footer-tagline {
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.45);
  margin-top: var(--space-xs);
}

.footer-info p {
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.4rem;
  line-height: 1.8;
}

.footer-info p strong {
  color: var(--color-gold);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-sm);
}

.footer-sns {
  display: flex;
  gap: 1rem;
}

.footer-sns__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  transition: all var(--transition-base);
  font-size: var(--fs-base);
}

.footer-sns__link:hover {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-policy {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.footer-policy:hover {
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-md);
  text-align: center;
}

.footer-copyright {
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.3);
}

/* -----------------------------------------------
   7. ヒーロースライドショー
   ----------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.2s ease;
}

/* 各スライドの背景画像は CSS変数で管理 */
.hero__slide:nth-child(1) { background-image: var(--img-hero-1); }
.hero__slide:nth-child(2) { background-image: var(--img-hero-2); }
.hero__slide:nth-child(3) { background-image: var(--img-hero-3); }

.hero__slide.active {
  opacity: 1;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26,26,26,0.55) 0%,
    rgba(26,26,26,0.3) 50%,
    rgba(26,26,26,0.5) 100%
  );
  z-index: 1;
}

.hero__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-md);
  padding-top: var(--header-h);
}

.hero__label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 0.3s forwards;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-2xl), 6vw, var(--fs-4xl));
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.1em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 0.6s forwards;
}

.hero__title em {
  font-style: italic;
  color: var(--color-gold-light);
}

.hero__subtitle {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.25em;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 0.9s forwards;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s ease 1.2s forwards;
}

/* スライドインジケーター */
.hero__indicators {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 0.75rem;
}

.hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.hero__dot.active {
  background: var(--color-gold);
  transform: scale(1.3);
}

/* スクロールインジケーター */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 2rem;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__scroll-text {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  writing-mode: vertical-rl;
}

.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollLine 1.8s ease infinite;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* -----------------------------------------------
   8. 初回限定クーポンバナー
   ----------------------------------------------- */
.coupon-section {
  background: var(--color-black);
  padding: var(--space-lg) 0;
  position: relative;
  overflow: hidden;
}

.coupon-section::before {
  content: 'FIRST';
  position: absolute;
  font-family: var(--font-accent);
  font-size: 12rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: rgba(255,255,255,0.02);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  pointer-events: none;
}

.coupon-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.coupon-text__label {
  font-size: var(--fs-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.coupon-text__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-xl), 3.5vw, var(--fs-2xl));
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 0.06em;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.coupon-text__title strong {
  color: var(--color-gold);
  font-size: 1.5em;
  font-family: var(--font-accent);
  font-style: italic;
}

.coupon-text__desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
  line-height: 1.9;
}

.coupon-badge {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  position: relative;
}

.coupon-badge::before {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(201,169,110,0.3);
}

.coupon-badge__num {
  font-family: var(--font-accent);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--color-gold);
  line-height: 1;
}

.coupon-badge__pct {
  font-size: var(--fs-sm);
  color: var(--color-gold);
}

.coupon-badge__label {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.coupon-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.coupon-note {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.05em;
  text-align: right;
}

/* -----------------------------------------------
   9. コンセプトセクション
   ----------------------------------------------- */
.concept-section {
  background-color: var(--color-bg-section);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 600px;
}

.concept-image {
  background-image: var(--img-concept);
  background-size: cover;
  background-position: center;
  min-height: 500px;
  position: relative;
}

.concept-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 60%, var(--color-bg-section));
}

.concept-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-xl) var(--space-xl) var(--space-lg);
}

.concept-body .section-heading {
  text-align: left;
  margin-bottom: var(--space-md);
}

.concept-body .section-heading__bar {
  margin-left: 0;
}

.concept-text {
  font-size: var(--fs-sm);
  color: #555;
  line-height: 2.1;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

.concept-pillars {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.concept-pillar {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.concept-pillar__num {
  font-family: var(--font-accent);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--color-gold);
  line-height: 1;
  flex-shrink: 0;
  min-width: 36px;
}

.concept-pillar__title {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: 0.3rem;
}

.concept-pillar__text {
  font-size: var(--fs-xs);
  color: var(--color-gray-mid);
  line-height: 1.8;
}

/* -----------------------------------------------
   10. スタイリスト
   ----------------------------------------------- */
.stylists-section {
  background: var(--color-white);
}

.stylists-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.stylist-card {
  text-align: center;
  transition: transform var(--transition-base);
}

.stylist-card:hover {
  transform: translateY(-6px);
}

/* スタイリスト写真 - CSS変数で管理 */
.stylist-card__photo {
  width: 100%;
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center top;
  margin-bottom: var(--space-sm);
  position: relative;
  overflow: hidden;
}

/* 各スタイリストの写真は変数で管理 */
.stylist-card:nth-child(1) .stylist-card__photo { background-image: var(--img-stylist-1); }
.stylist-card:nth-child(2) .stylist-card__photo { background-image: var(--img-stylist-2); }
.stylist-card:nth-child(3) .stylist-card__photo { background-image: var(--img-stylist-3); }

.stylist-card__photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.3) 0%, transparent 50%);
  transition: opacity var(--transition-base);
}

.stylist-card:hover .stylist-card__photo-overlay {
  opacity: 0.6;
}

.stylist-card__title {
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
}

.stylist-card__name {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-black);
  margin-bottom: 0.8rem;
}

.stylist-card__name .name-en {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  letter-spacing: 0.25em;
  color: var(--color-gray-mid);
  font-weight: 400;
  margin-top: 4px;
}

.stylist-card__comment {
  font-size: var(--fs-xs);
  color: #666;
  line-height: 2;
  letter-spacing: 0.04em;
  padding: 0 var(--space-xs);
}

/* -----------------------------------------------
   11. メニュー概要
   ----------------------------------------------- */
.menu-overview {
  background: var(--color-bg-section);
}

.menu-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.menu-overview-item {
  background: var(--color-white);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  border-top: 2px solid transparent;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
}

.menu-overview-item:hover {
  border-top-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.menu-overview-item__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.menu-overview-item__name {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.menu-overview-item__price {
  font-size: var(--fs-xs);
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.menu-overview-item__desc {
  font-size: var(--fs-xs);
  color: var(--color-gray-mid);
  line-height: 1.8;
}

/* -----------------------------------------------
   12. サロン情報概要（トップページ）
   ----------------------------------------------- */
.info-overview {
  background: var(--color-black);
}

.info-overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid rgba(255,255,255,0.08);
}

.info-overview-item {
  padding: var(--space-md) var(--space-md);
  border-right: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.info-overview-item__label {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
  display: block;
}

.info-overview-item__value {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  color: var(--color-white);
  line-height: 1.7;
}

/* -----------------------------------------------
   13. 予約導線（コンバージョンエリア）
   ----------------------------------------------- */
.reservation-section {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2017 50%, #1a1a1a 100%);
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.reservation-section::before {
  content: 'RESERVE';
  position: absolute;
  font-family: var(--font-accent);
  font-size: 14rem;
  color: rgba(255,255,255,0.02);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  pointer-events: none;
  font-weight: 700;
}

.reservation-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}

.reservation-heading {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-xl), 4vw, var(--fs-3xl));
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.reservation-heading em {
  font-style: italic;
  color: var(--color-gold);
}

.reservation-sub {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.reservation-note {
  display: inline-block;
  border: 1px solid rgba(201,169,110,0.3);
  padding: 0.75rem 2rem;
  font-size: var(--fs-xs);
  color: var(--color-gold);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-md);
}

.reservation-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto var(--space-lg);
}

.reservation-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-md);
  transition: all var(--transition-base);
  text-align: left;
}

.reservation-card:hover {
  border-color: rgba(201,169,110,0.4);
  background: rgba(201,169,110,0.05);
  transform: translateY(-3px);
}

.reservation-card.featured {
  border-color: var(--color-gold);
  background: rgba(201,169,110,0.07);
}

.reservation-card__badge {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-white);
  font-size: 10px;
  letter-spacing: 0.2em;
  padding: 3px 10px;
  margin-bottom: var(--space-xs);
}

.reservation-card__title {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.reservation-card__benefits {
  margin: var(--space-xs) 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.reservation-card__benefit {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.04em;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.reservation-card__benefit::before {
  content: '—';
  color: var(--color-gold);
  flex-shrink: 0;
}

.reservation-card__cta {
  margin-top: var(--space-sm);
}

/* -----------------------------------------------
   14. メニューページ - ヒーロー
   ----------------------------------------------- */
.page-hero {
  height: 50vh;
  min-height: 380px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-lg);
}

.page-hero--menu   { background-image: var(--img-menu-hero); }
.page-hero--salon  { background-image: var(--img-salon-hero); }

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay-dark);
}

.page-hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.page-hero__en {
  font-size: var(--fs-xs);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-3xl));
  font-weight: 300;
  color: var(--color-white);
  letter-spacing: 0.1em;
}

/* -----------------------------------------------
   15. メニューページ - タブナビゲーション
   ----------------------------------------------- */
.menu-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 100;
  background: var(--color-white);
  border-bottom: var(--border-light);
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.menu-nav__inner {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.menu-nav__inner::-webkit-scrollbar { display: none; }

.menu-nav__btn {
  flex-shrink: 0;
  padding: 1.2rem 2rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gray-mid);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
  background: none;
  cursor: pointer;
  font-family: var(--font-sans);
}

.menu-nav__btn:hover,
.menu-nav__btn.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* -----------------------------------------------
   16. メニューページ - カテゴリセクション
   ----------------------------------------------- */
.menu-category {
  padding: var(--space-xl) 0;
  border-bottom: var(--border-light);
}

.menu-category:last-child {
  border-bottom: none;
}

.menu-category__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.menu-category__num {
  font-family: var(--font-accent);
  font-size: 4rem;
  font-weight: 300;
  color: var(--color-gold-light);
  line-height: 1;
  flex-shrink: 0;
}

.menu-category__info .section-heading {
  text-align: left;
  margin-bottom: 0.75rem;
}

.menu-category__info .section-heading__bar {
  margin-left: 0;
}

.menu-category__lead {
  font-size: var(--fs-sm);
  color: #666;
  line-height: 2;
  letter-spacing: 0.04em;
  max-width: 560px;
}

.menu-table {
  width: 100%;
  border-collapse: collapse;
}

.menu-table tr {
  border-bottom: 1px solid var(--color-gray-border);
  transition: background var(--transition-fast);
}

.menu-table tr:first-child {
  border-top: 1px solid var(--color-gray-border);
}

.menu-table tr:hover {
  background: var(--color-bg-light);
}

.menu-table td {
  padding: 1.2rem var(--space-xs);
  font-size: var(--fs-sm);
  letter-spacing: 0.05em;
}

.menu-table td:first-child {
  color: var(--color-black);
  font-weight: 400;
}

.menu-table td:last-child {
  text-align: right;
  font-family: var(--font-accent);
  font-size: var(--fs-md);
  color: var(--color-gold-dark);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.menu-note {
  margin-top: 0.75rem;
  font-size: var(--fs-xs);
  color: var(--color-gray-mid);
  letter-spacing: 0.05em;
}

/* -----------------------------------------------
   17. サロン情報ページ
   ----------------------------------------------- */
.salon-about {
  background: var(--color-bg-section);
}

.salon-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.salon-about__images {
  display: grid;
  grid-template-rows: auto auto;
  gap: 1rem;
}

.salon-about__img {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.salon-about__img--1 { background-image: var(--img-interior-1); }
.salon-about__img--2 { background-image: var(--img-interior-2); aspect-ratio: 16/7; }

.salon-about__text h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.salon-about__text p {
  font-size: var(--fs-sm);
  color: #555;
  line-height: 2.1;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}

/* 店舗情報テーブル */
.salon-info-section {
  background: var(--color-white);
}

.salon-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table tr {
  border-bottom: 1px solid var(--color-gray-border);
}

.info-table tr:first-child {
  border-top: 1px solid var(--color-gray-border);
}

.info-table th {
  padding: 1.2rem 1.5rem 1.2rem 0;
  text-align: left;
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 400;
  white-space: nowrap;
  vertical-align: top;
  width: 120px;
}

.info-table td {
  padding: 1.2rem 0;
  font-size: var(--fs-sm);
  color: var(--color-black);
  letter-spacing: 0.04em;
  line-height: 1.9;
}

/* Googleマップ */
.map-wrapper {
  width: 100%;
  border: var(--border-gold);
  padding: 4px;
}

.map-wrapper iframe {
  width: 100%;
  height: 340px;
  display: block;
  filter: grayscale(15%) contrast(1.05);
}

/* アクセス案内 */
.access-guide {
  background: var(--color-black);
  padding: var(--space-xl) 0;
}

.access-guide__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: var(--space-md) auto 0;
}

.access-step {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  position: relative;
}

.access-step:last-child {
  border-bottom: none;
}

.access-step__num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-accent);
  font-size: var(--fs-sm);
  color: var(--color-gold);
  margin-top: 4px;
}

.access-step__text {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.7);
  line-height: 2;
  letter-spacing: 0.04em;
}

.access-step__text strong {
  color: var(--color-white);
  font-weight: 400;
}

/* -----------------------------------------------
   18. アニメーション
   ----------------------------------------------- */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up-delay-1 { transition-delay: 0.1s; }
.fade-in-up-delay-2 { transition-delay: 0.2s; }
.fade-in-up-delay-3 { transition-delay: 0.3s; }

/* -----------------------------------------------
   19. レスポンシブ対応
   ----------------------------------------------- */

/* --- タブレット（1024px以下）--- */
@media (max-width: 1024px) {
  :root { --header-h: 70px; }

  .concept-grid {
    grid-template-columns: 1fr;
  }

  .concept-image {
    min-height: 400px;
  }

  .concept-body {
    padding: var(--space-lg) var(--space-md);
  }

  .menu-overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-overview-grid {
    grid-template-columns: repeat(2, 1fr);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .info-overview-item:nth-child(1),
  .info-overview-item:nth-child(2) {
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .reservation-cards {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .footer-links {
    align-items: flex-start;
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
  }

  .salon-about-grid,
  .salon-info-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .salon-about__images {
    order: -1;
  }
}

/* --- スマートフォン（768px以下）--- */
@media (max-width: 768px) {
  :root {
    --header-h: 60px;
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }

  /* ヘッダー */
  .global-nav { display: none; }
  .hamburger  { display: flex; }
  .mobile-nav { display: flex; }

  /* ヒーロー */
  .hero__title {
    font-size: var(--fs-2xl);
  }

  /* クーポン */
  .coupon-inner {
    flex-direction: column;
    text-align: center;
  }

  .coupon-actions {
    align-items: center;
  }

  .coupon-note {
    text-align: center;
  }

  /* スタイリスト */
  .stylists-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* メニュー概要 */
  .menu-overview-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* サロン情報概要 */
  .info-overview-grid {
    grid-template-columns: 1fr;
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .info-overview-item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  /* フッター */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-links {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  /* セクション見出し */
  .section-heading__ja { font-size: var(--fs-lg); }

  /* メニューカテゴリ */
  .menu-category__header {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .menu-category__num {
    font-size: 2.5rem;
  }
}

/* --- 小型スマートフォン（375px以下）--- */
@media (max-width: 375px) {
  .container { padding: 0 1rem; }

  .coupon-badge {
    width: 130px;
    height: 130px;
  }

  .coupon-badge__num {
    font-size: 2.2rem;
  }
}