/* ============================================================
   やどかりマッサージ 公式サイト — 共有スタイルシート

   ■ 色を変更したい場合は「:root」の変数を編集してください
   ■ フォントを変更したい場合は「--font-*」の変数を編集してください
   ============================================================ */

/* ---- 色・フォントの設定（ここを変更すると全体が変わります） ---- */
:root {
  /* メインカラー（ダークネイビー） */
  --color-bg:         #1a2a3a;
  --color-surface:    #243447;
  --color-surface-2:  #1d2e3f;

  /* アクセントカラー（シャンパンゴールド） */
  --color-accent:       #c5a059;
  --color-accent-dark:  #a0813d;
  --color-accent-light: #d9bc84;

  /* テキスト */
  --color-text:       #e8e2d8;
  --color-text-muted: #8fa0b0;
  --color-text-dark:  #2c2c2c;

  /* 明るいセクション用 */
  --color-light-bg:      #f4f1eb;
  --color-light-surface: #ffffff;

  /* ボーダー */
  --color-border: rgba(197, 160, 89, 0.25);

  /* フォント */
  --font-heading: 'Noto Serif JP', serif;
  --font-body:    'Noto Sans JP', sans-serif;

  /* 最大幅・余白 */
  --max-width:     1100px;
  --section-pad-v: 5rem;
  --radius:        4px;
  --transition:    0.3s ease;

  /* ヘッダーの高さ（メニューのリンクズレ防止用） */
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ============================================================
   ユーティリティ
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-pad-v) 1.5rem;
}

/* 明るい背景セクション */
.section--light {
  background-color: var(--color-light-bg);
  color: var(--color-text-dark);
}

.section--surface {
  background-color: var(--color-surface);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.4;
}

.section--light .section__title {
  color: var(--color-text-dark);
}

.section__lead {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.section--light .section__lead {
  color: #666;
}

/* 仕切り線（ゴールド） */
.gold-line {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: 1rem auto 0;
}

/* ============================================================
   ボタン
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition),
              transform var(--transition), box-shadow var(--transition);
  text-align: center;
  line-height: 1.3;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #1a1a1a;
}

.btn--primary:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(197, 160, 89, 0.35);
}

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

.btn--outline:hover {
  background-color: var(--color-accent);
  color: #1a1a1a;
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1.1rem 2.5rem;
  font-size: 1.05rem;
}

.btn--block {
  width: 100%;
}

/* ============================================================
   ヘッダー（全ページ共通）
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(26, 42, 58, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.site-header__inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-header__logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  line-height: 1.2;
}

.site-header__logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
}

.site-header__logo-ja {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.site-header__logo-en {
  font-size: 0.65rem;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 300;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav__link {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.site-nav__link:hover,
.site-nav__link.active {
  color: var(--color-accent);
}

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

.site-nav__cta {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

/* ハンバーガーメニュー（モバイル） */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* モバイルメニューオーバーレイ */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 42, 58, 0.98);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  z-index: 999;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-nav__link {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: 0.1em;
  transition: color var(--transition);
}

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

/* ============================================================
   ページヒーロー（サブページ用）
   ============================================================ */
.page-hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
  text-align: center;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.page-hero__eyebrow {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 700;
}

/* ============================================================
   フッター（全ページ共通）
   ============================================================ */
.site-footer {
  background-color: #111e2b;
  color: var(--color-text-muted);
  padding: 3.5rem 1.5rem 2rem;
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
}

.site-footer__logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-footer__logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-footer__tagline {
  font-size: 0.8rem;
  line-height: 1.7;
}

.site-footer__nav-title {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.site-footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.site-footer__nav-link {
  font-size: 0.875rem;
  transition: color var(--transition);
}

.site-footer__nav-link:hover {
  color: var(--color-accent);
}

.site-footer__info-item {
  font-size: 0.875rem;
  margin-bottom: 0.6rem;
  display: flex;
  gap: 0.5rem;
}

.site-footer__info-label {
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 4em;
}

.site-footer__bottom {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
}

/* ============================================================
   カード
   ============================================================ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.card--light {
  background-color: var(--color-light-surface);
  border-color: #e0d9cd;
}

.card__body {
  padding: 1.75rem;
}

/* ============================================================
   料金テーブル
   ============================================================ */
.price-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: #1a1a1a;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.2em 0.6em;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  gap: 1rem;
}

.price-row:last-child {
  border-bottom: none;
}

.price-row__label {
  font-size: 0.875rem;
  flex: 1;
}

.price-row__normal {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price-row__site {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 700;
}

/* ============================================================
   グリッドレイアウト
   ============================================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ============================================================
   画像プレースホルダー
   ============================================================ */
.img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-surface) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  border: 1px dashed var(--color-border);
}

.img-placeholder--hero {
  aspect-ratio: 16 / 7;
}

/* ============================================================
   アクセスセクション
   ============================================================ */
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.station-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.station-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.station-item__icon {
  font-size: 1.5rem;
}

.station-item__name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.station-item__time {
  font-size: 0.8rem;
  color: var(--color-accent);
}

.map-embed {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* ============================================================
   お客様の声
   ============================================================ */
.review-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.review-card__stars {
  color: var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.review-card__text {
  font-size: 0.9rem;
  line-height: 1.85;
  margin-bottom: 1rem;
}

.review-card__author {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.review-card__author::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-border);
}

/* ============================================================
   FAQ アコーディオン
   ============================================================ */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--color-text-muted);
}

/* フロー（来店の流れ） */
.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
  margin: 0 auto;
}

.flow-item {
  display: flex;
  gap: 1.5rem;
  position: relative;
}

.flow-item::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: -1rem;
  width: 2px;
  background: var(--color-border);
}

.flow-item:last-child::after {
  display: none;
}

.flow-item__step {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 1;
}

.flow-item__body {
  padding-bottom: 2.5rem;
  flex: 1;
}

.flow-item__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 0.4rem;
  margin-top: 0.5rem;
}

.flow-item__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* SNS誘導 */
.sns-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.sns-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
  cursor: pointer;
  background: transparent;
}

.sns-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.sns-card__icon {
  font-size: 2rem;
}

.sns-card__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
}

.sns-card__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   レスポンシブ（スマートフォン対応）
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-pad-v: 3.5rem;
  }

  /* ヘッダー */
  .site-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  /* グリッド → 1列 */
  .grid-2,
  .grid-3,
  .access-grid,
  .sns-grid {
    grid-template-columns: 1fr;
  }

  /* フッター */
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .btn--lg {
    padding: 1rem 1.75rem;
    font-size: 1rem;
  }
}

/* ============================================================
   ページ上部のスペーサー（固定ヘッダー分）
   ============================================================ */
.header-spacer {
  height: var(--header-height);
}