/* ==========================================================================
   髪処Sama・sama 公式Webサイト スタイルシート (茶×朱×白 実画像・ロゴ統合版)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. カラーパレット & デザインシステム変数
   -------------------------------------------------------------------------- */
:root {
  /* メインカラー（濃茶）: 約40〜45% */
  --color-main-brown: #4A2E27;
  --color-sub-brown: #68443A;
  
  /* アクセント（朱色）: 約8〜10% */
  --color-vermilion: #C84F32;
  --color-vermilion-hover: #B24227;

  /* ベース・抜け・情報面（白）: 約45〜50% */
  --color-white: #FFFFFF;
  --color-offwhite: #FAF7F5;

  /* テキストカラー */
  --color-text-dark: #332825;       /* 白背景用本文 */
  --color-text-light: #FFFFFF;      /* 茶背景用本文 */
  --color-text-sub: #7A6964;

  /* 枠線・境界 */
  --color-border: #E8DFDC;
  --color-border-dark: #68443A;

  /* LINEグリーン */
  --color-line: #06C755;
  --color-line-hover: #05b34c;

  /* フォント設定 */
  --font-heading: 'Zen Maru Gothic', 'Zen Kaku Gothic New', sans-serif;
  --font-body: 'Zen Kaku Gothic New', sans-serif;
  --font-en: 'Plus Jakarta Sans', sans-serif;

  /* 角丸ルール */
  --radius-large: 10px;
  --radius-small: 8px;
  --radius-pill: 999px;

  /* 余白ルール */
  --space-section-pc: 100px;
  --space-section-sp: 64px;
  --header-height: 76px;
}

/* --------------------------------------------------------------------------
   2. リセット & 基本設定
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--color-text-dark);
  background-color: var(--color-white);
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* コンテナ */
.section-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nobr,
.nowrap {
  white-space: nowrap;
}


/* --------------------------------------------------------------------------
   3. 見出し・タイポグラフィ
   -------------------------------------------------------------------------- */
.sub-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-vermilion);
  margin-bottom: 10px;
}

.sub-label.light {
  color: #E28872;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.625rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-main-brown);
  line-height: 1.35;
}

.section-title.light {
  color: var(--color-white);
}

.section-lead {
  font-size: 0.9375rem;
  color: var(--color-text-dark);
  margin-top: 12px;
  opacity: 0.9;
}

.section-lead.light {
  color: rgba(255, 255, 255, 0.85);
}

.title-vermilion-line {
  display: inline-block;
  width: 4px;
  height: 1.1em;
  background-color: var(--color-vermilion);
  vertical-align: -0.15em;
  margin-right: 12px;
}

/* --------------------------------------------------------------------------
   4. ヘッダー (HEADER)
   - 濃茶背景 (#4A2E27)
   - 下部朱色細ライン (#C84F32)
   - 白文字ナビゲーション ＋ 選択中・ホバー時朱色アクセント
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-main-brown) !important;
  border-bottom: 2px solid var(--color-vermilion);
  z-index: 1000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.header-inner {
  max-width: 1240px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  line-height: 0;
}

.header-logo-img {
  width: 170px;
  height: auto;
  max-height: 46px;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
  transition: opacity 0.25s ease;
}

.header-logo-img:hover {
  opacity: 0.85;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-white);
  padding: 6px 0;
  position: relative;
  transition: color 0.25s ease;
  opacity: 0.9;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-vermilion);
  transition: width 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-vermilion);
  opacity: 1;
}

.nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* --------------------------------------------------------------------------
   5. ヒーローセクション (HERO)
   - 濃茶 (#4A2E27) 色面ブロック
   - 背景色: #F6EFE8
   - 七宝繋ぎ (Shippo) パターン (茶色メイン #8A5A47 opacity 0.16 ＋ 朱色差し色 #C84F32 opacity 0.10)
   - 右側: shop-exterior.jpg (外観写真)
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  background-color: #F6EFE8;
  /* 七宝繋ぎベース アジアンレトロ幾何学パターン (茶色 85% : 朱色 15%) */
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8ZyBzdHJva2U9IiM4QTVBNDciIHN0cm9rZS13aWR0aD0iMS40IiBmaWxsPSJub25lIiBvcGFjaXR5PSIwLjIyIj4KICAgIDxjaXJjbGUgY3g9IjMwIiBjeT0iMzAiIHI9IjMwIi8+CiAgICA8Y2lyY2xlIGN4PSIwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjAiIGN5PSI2MCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iNjAiIHI9IjMwIi8+CiAgPC9nPgogIDxnIHN0cm9rZT0iI0M4NEYzMiIgc3Ryb2tlLXdpZHRoPSIxLjIiIGZpbGw9Im5vbmUiIG9wYWNpdHk9IjAuMTYiPgogICAgPGNpcmNsZSBjeD0iMzAiIGN5PSIzMCIgcj0iOCIvPgogIDwvZz4KPC9zdmc+");
  background-repeat: repeat;
}

.hero-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content-card {
  background-color: var(--color-main-brown);
  /* 茶色カード背景用の薄ベージュ七宝繋ぎパターン */
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8ZyBzdHJva2U9IiNGQUY3RjUiIHN0cm9rZS13aWR0aD0iMS4yIiBmaWxsPSJub25lIiBvcGFjaXR5PSIwLjEyIj4KICAgIDxjaXJjbGUgY3g9IjMwIiBjeT0iMzAiIHI9IjMwIi8+CiAgICA8Y2lyY2xlIGN4PSIwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjAiIGN5PSI2MCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iNjAiIHI9IjMwIi8+CiAgPC9nPgo8L3N2Zz4=");
  background-repeat: repeat;
  color: var(--color-text-light);
  padding: 48px 40px;
  border-radius: var(--radius-large);
  box-shadow: 0 16px 40px rgba(74, 46, 39, 0.15);
  position: relative;
  overflow: hidden;
}

.hero-logo-img {
  max-width: 440px;
  width: 100%;
  height: auto;
  object-fit: contain;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 24px;
  display: block;
}

h1.hero-feature {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.8vw, 1.875rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-white);
  margin-bottom: 16px;
}

.hero-copy {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-line-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  background-color: var(--color-line);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(6, 199, 85, 0.3);
}

.hero-line-button:hover {
  background-color: var(--color-line-hover);
  transform: translateY(-2px);
}

.hero-menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  background-color: var(--color-vermilion);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-pill);
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(200, 79, 50, 0.3);
}

.hero-menu-button:hover {
  background-color: var(--color-vermilion-hover);
  transform: translateY(-2px);
}

.hero-visual-wrapper {
  position: relative;
}

.hero-photo-img {
  width: 100%;
  height: 440px;
  border-radius: var(--radius-large);
  object-fit: cover;
  object-position: center center;
  display: block;
}

.hero-visual-accent-line {
  position: absolute;
  bottom: -10px;
  right: 0;
  width: 50%;
  height: 5px;
  background-color: var(--color-vermilion);
  z-index: 1;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   6. 想い・コンセプトセクション (MAIN / ABOUT)
   - 背景色: #F6EFE8 ＋ 七宝繋ぎアジアンレトロパターン
   - 店内写真 (shop-interior.jpg) ＋ 濃茶オフセット背景
   - 写真加工なし
   -------------------------------------------------------------------------- */
.about-section {
  background-color: #F6EFE8;
  /* 七宝繋ぎベース アジアンレトロ幾何学パターン */
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8ZyBzdHJva2U9IiM4QTVBNDciIHN0cm9rZS13aWR0aD0iMS40IiBmaWxsPSJub25lIiBvcGFjaXR5PSIwLjIyIj4KICAgIDxjaXJjbGUgY3g9IjMwIiBjeT0iMzAiIHI9IjMwIi8+CiAgICA8Y2lyY2xlIGN4PSIwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjAiIGN5PSI2MCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iNjAiIHI9IjMwIi8+CiAgPC9nPgogIDxnIHN0cm9rZT0iI0M4NEYzMiIgc3Ryb2tlLXdpZHRoPSIxLjIiIGZpbGw9Im5vbmUiIG9wYWNpdHk9IjAuMTYiPgogICAgPGNpcmNsZSBjeD0iMzAiIGN5PSIzMCIgcj0iOCIvPgogIDwvZz4KPC9zdmc+");
  background-repeat: repeat;
  padding: var(--space-section-pc) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img-col {
  position: relative;
  padding: 16px 16px 0 0;
}

.offset-bg-block {
  position: absolute;
  top: 0;
  right: 0;
  width: 88%;
  height: 88%;
  background-color: var(--color-main-brown);
  border-radius: var(--radius-large);
  z-index: 1;
}

.about-img-real {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 420px;
  border-radius: var(--radius-large);
  object-fit: cover;
  object-position: center center;
  box-shadow: 0 12px 32px rgba(51, 40, 37, 0.12);
  display: block;
}

.about-text-col {
  background-color: var(--color-main-brown);
  /* ヒーローカードと同様のうっすら浮かび上がる七宝繋ぎパターン */
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8ZyBzdHJva2U9IiNGQUY3RjUiIHN0cm9rZS13aWR0aD0iMS4yIiBmaWxsPSJub25lIiBvcGFjaXR5PSIwLjEyIj4KICAgIDxjaXJjbGUgY3g9IjMwIiBjeT0iMzAiIHI9IjMwIi8+CiAgICA8Y2lyY2xlIGN4PSIwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iMCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjAiIGN5PSI2MCIgcj0iMzAiLz4KICAgIDxjaXJjbGUgY3g9IjYwIiBjeT0iNjAiIHI9IjMwIi8+CiAgPC9nPgo8L3N2Zz4=");
  background-repeat: repeat;
  padding: 44px 40px;
  border-radius: var(--radius-large);
  box-shadow: 0 16px 40px rgba(74, 46, 39, 0.14);
  position: relative;
  z-index: 2;
}

.about-text-body p {
  font-size: 0.975rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.92);
  margin-top: 16px;
  word-break: normal;
  line-break: strict;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

/* --------------------------------------------------------------------------
   7. メニューセクション (MENU)
   -------------------------------------------------------------------------- */
.menu-section {
  background-color: var(--color-main-brown);
  color: var(--color-white);
  padding: var(--space-section-pc) 0;
}

.menu-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 36px;
}

.discounts-notice-bar {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--color-sub-brown);
  border-radius: var(--radius-small);
  padding: 16px 24px;
  margin-bottom: 28px;
}

.discounts-inline-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.discount-inline-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.84rem;
}

.discount-label {
  background-color: var(--color-vermilion);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

.discount-txt {
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  color: var(--color-offwhite);
}

.discount-sub-note {
  font-size: 0.72rem;
  opacity: 0.88;
  color: rgba(255, 255, 255, 0.88);
  margin-top: 1px;
}

.discount-exclusion-note {
  margin-top: 3px;
  margin-bottom: 6px;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-text-sub);
}

.category-tabs-container {
  margin-bottom: 28px;
}

.category-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.category-tab-btn {
  background-color: var(--color-white);
  color: var(--color-main-brown);
  border: 1px solid var(--color-sub-brown);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

.category-tab-btn:hover {
  background-color: #F8F5F4;
}

.category-tab-btn.active {
  background-color: var(--color-vermilion);
  color: var(--color-white);
  border-color: var(--color-vermilion);
  box-shadow: 0 4px 12px rgba(200, 79, 50, 0.35);
}

.menu-content-sheet {
  background-color: var(--color-white);
  color: var(--color-text-dark);
  padding: 44px;
  border-radius: var(--radius-large);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.menu-panel {
  display: none;
}

.menu-panel.active {
  display: block;
}

.panel-category-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-main-brown);
  border-bottom: 2px solid var(--color-vermilion);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.panel-category-note {
  font-size: 0.8125rem;
  color: var(--color-sub-brown);
  margin-bottom: 24px;
}

.menu-two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.menu-sheet-item {
  padding-block: 14px;
  border-bottom: 1px dashed var(--color-border);
}

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

.menu-sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.menu-item-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-main-brown);
}

.menu-item-price-number {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-vermilion);
  white-space: nowrap;
}

.menu-item-desc {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  margin-top: 4px;
}

.variant-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.variant-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9375rem;
}

.variant-name {
  color: var(--color-text-dark);
}

.sub-note {
  font-size: 0.75rem;
  color: var(--color-text-sub);
}

.variant-price {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-vermilion);
  white-space: nowrap;
}

.menu-notice {
  margin-top: 32px;
  text-align: center;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.85);
}

/* --------------------------------------------------------------------------
   8. LINE予約セクション (LINE)
   -------------------------------------------------------------------------- */
.line-section {
  background-color: var(--color-white);
  padding: 80px 0;
}

.line-banner-block {
  background-color: var(--color-main-brown);
  color: var(--color-white);
  padding: 48px 56px;
  border-radius: var(--radius-large);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.line-sub {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #E28872;
  display: block;
  margin-bottom: 6px;
}

.line-title {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.line-desc {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.88);
}

.line-action-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.btn-line-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-line);
  color: var(--color-white);
  padding: 16px 36px;
  font-weight: 700;
  font-size: 1.0625rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.35);
  transition: all 0.25s ease;
}

.btn-line-large:hover {
  background-color: var(--color-line-hover);
  transform: translateY(-2px);
}

.line-note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

/* --------------------------------------------------------------------------
   9. アクセスセクション (ACCESS)
   -------------------------------------------------------------------------- */
.access-section {
  background-color: var(--color-main-brown);
  color: var(--color-white);
  padding: var(--space-section-pc) 0;
}

.access-header {
  margin-bottom: 40px;
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: stretch;
}

.access-info-panel {
  background-color: var(--color-white);
  color: var(--color-text-dark);
  padding: 40px;
  border-radius: var(--radius-large);
}

.access-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  font-size: 0.9375rem;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
}

.info-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.info-row dt {
  font-weight: 700;
  color: var(--color-main-brown);
  display: flex;
  align-items: center;
  gap: 8px;
}

.access-icon-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-vermilion);
}

.map-link {
  color: var(--color-vermilion);
  font-weight: 700;
  font-size: 0.875rem;
  margin-top: 4px;
  display: inline-block;
}

.access-map-panel {
  height: 100%;
  min-height: 360px;
}

.map-container {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border-radius: var(--radius-large);
  overflow: hidden;
}

.access-map {
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   10. フッター (FOOTER)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-main-brown);
  border-top: 3px solid var(--color-vermilion);
  color: var(--color-white);
  padding: 48px 24px 32px;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   11. 固定LINEボタン (SP/PC)
   -------------------------------------------------------------------------- */
.sticky-line-wrapper {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
}

.sticky-line-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background-color: var(--color-line);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.35);
  transition: all 0.25s ease;
}

.sticky-line-btn:hover {
  background-color: var(--color-line-hover);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   12. レスポンシブ (SP: 375px Base)
   -------------------------------------------------------------------------- */
@media (max-width: 960px) {
  :root {
    --space-section-pc: var(--space-section-sp);
  }

  /* Header Mobile */
  .header-logo-img {
    width: 135px;
    height: auto;
    max-height: 38px;
  }

  .menu-toggle {
    display: flex;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-main-brown);
    border-bottom: 2px solid var(--color-vermilion);
    padding: 24px;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  }

  .header-nav.is-open {
    transform: translateY(0);
  }

  .top-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* Hero Mobile */
  .hero-container {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-content-card {
    padding: 32px 24px;
  }

  .hero-logo-img {
    max-width: 300px;
    margin-bottom: 20px;
  }

  .hero-photo-img {
    height: 260px;
  }

  /* Main / About Mobile */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-img-col {
    width: min(340px, calc(100vw - 32px));
    margin-inline: auto;
    padding: 12px 12px 0 0;
  }

  .about-img-real {
    width: 100%;
    height: 255px;
    display: block;
    object-fit: cover;
    object-position: center center;
  }

  .about-text-col {
    padding: 28px 24px;
  }

  /* Menu Mobile */
  .menu-content-sheet {
    padding: 24px 18px;
  }

  .menu-two-cols {
    grid-template-columns: 1fr;
    gap: 0;
  }

  /* Line Mobile */
  .line-banner-block {
    flex-direction: column;
    text-align: center;
    padding: 36px 24px;
  }

  .line-action-side {
    align-items: center;
    width: 100%;
  }

  .btn-line-large {
    width: 100%;
  }

  /* Access Mobile */
  .access-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .access-info-panel {
    padding: 24px 20px;
  }

  .info-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .map-container {
    min-height: 280px;
  }

  /* Sticky LINE Mobile */
  .sticky-line-wrapper {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .sticky-line-btn {
    width: 100%;
    justify-content: center;
  }
}