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

:root {
  --color-dark: #1a1a1a;
  --color-header: #111111;
  --color-accent: #f28c30;
  --color-accent-hover: #d97420;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #f8f8f8;
  --color-white: #ffffff;
  --color-border: #e0e0e0;
  --font-main: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Montserrat', 'Noto Sans JP', sans-serif;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.14);
  --radius: 6px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 15px;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== ヘッダー ===== */
#header {
  background: var(--color-header);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  overflow: visible;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  position: relative;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-dual {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-main {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.logo-divider {
  color: var(--color-accent);
  font-size: 15px;
  font-weight: 300;
}

.logo-sub {
  font-size: 10px;
  color: #aaaaaa;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ===== ナビゲーション ===== */
.nav-list {
  display: flex;
  gap: 2px;
  align-items: center;
}

.nav-list a {
  color: #cccccc;
  font-size: 12px;
  font-weight: 500;
  padding: 7px 9px;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-list a:hover {
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
}

.nav-list .nav-contact a {
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
}

.nav-list .nav-contact a:hover {
  background: var(--color-accent-hover);
}

/* ===== ドロップダウンメニュー ===== */
.nav-list > li {
  position: relative;
}
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #222222;
  min-width: 220px;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  z-index: 1000;
  padding: 6px 0;
}
.nav-list > li:hover .nav-dropdown {
  display: block;
}
.nav-dropdown li a {
  display: block !important;
  padding: 10px 20px !important;
  color: #cccccc !important;
  font-size: 13px !important;
  border-radius: 0 !important;
  border-bottom: 1px solid rgba(255,255,255,0.06) !important;
  background: none !important;
  white-space: nowrap;
}
.nav-dropdown li:last-child a {
  border-bottom: none !important;
}
.nav-dropdown li a:hover {
  background: rgba(255,255,255,0.08) !important;
  color: var(--color-white) !important;
}

/* ハンバーガーメニュー（スマホ用） */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  background: none;
  border: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== ヒーロー（トップの大きな画像エリア） ===== */
.hero {
  background: linear-gradient(135deg, #3a3a3a 0%, #555 50%, #444 100%);
  color: var(--color-white);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('images/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.3;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-photos {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.hero-photo {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.hero-photo img {
  width: 100%;
  height: 260px;
  object-fit: contain;
  background: #1a1a1a;
  display: block;
}

.hero-photo-label {
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 10px;
}

.hero-photo-label-tel {
  font-size: 11px;
  font-weight: 400;
  color: #ddd;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-decoration: none;
}
.hero-photo-label-tel:hover { color: #fff; }

.hero-photo-label-sv {
  font-size: 11px;
  color: #fff;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 4px;
  padding: 2px 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition);
}
.hero-photo-label-sv:hover { background: rgba(255,255,255,0.3); }

.hero-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 16px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero p {
  font-size: 16px;
  color: #cccccc;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(200,16,46,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

/* ===== お知らせバー ===== */
.news-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.news-bar-inner {
  display: flex;
  align-items: stretch;
  min-height: 48px;
}

.news-bar-label {
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0 20px;
  display: flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
}

.news-bar-content {
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  overflow: hidden;
}

.news-bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  white-space: nowrap;
}

.news-bar-date {
  color: var(--color-text-light);
  font-size: 12px;
  flex-shrink: 0;
}

.news-bar-item a:hover { color: var(--color-accent); }

/* ===== セクション共通 ===== */
.section {
  padding: 80px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  font-family: var(--font-heading);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== 2店舗カード ===== */
.stores-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.store-card {
  background: var(--color-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.store-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.store-card-header {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 28px 32px;
}

.store-card-header-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}

.store-card-header h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 0;
  letter-spacing: 0.04em;
}

.store-header-tel {
  font-size: 13px;
  color: #bbbbbb;
  letter-spacing: 0.05em;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--font-heading);
}
.store-header-tel:hover { color: #ffffff; }

.store-card-header p {
  font-size: 12px;
  color: #aaaaaa;
  letter-spacing: 0.08em;
}

.store-card-body {
  padding: 28px 32px;
}

.store-info-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 14px;
}

.store-info-icon {
  width: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.store-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  color: var(--color-text-light);
}

/* ===== 在庫カード ===== */
.bikes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bike-card {
  background: var(--color-white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.bike-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.bike-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 13px;
}

.bike-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  align-items: flex-start;
}

.bike-card-detail-btn {
  margin-top: auto;
  align-self: stretch;
}

.bike-card-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.badge-new { background: #e8f5e9; color: #2e7d32; }
.badge-used { background: #fff3e0; color: #e65100; }
.badge-custom { background: #f3e5f5; color: #6a1b9a; }

.bike-card h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-dark);
}

.bike-card-year {
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.bike-card-price {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
}

.bike-card-price span {
  font-size: 13px;
  color: var(--color-text-light);
  font-weight: 400;
}

/* ===== FAQアコーディオン ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-dark);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: background var(--transition);
}

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

.faq-question::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  padding: 0 24px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-category {
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 700;
  margin: 40px 0 16px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 4px;
}

.faq-category:first-child { margin-top: 0; }

/* ===== サービスカード ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border-radius: 10px;
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: #fff5ee;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 18px;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-dark);
}

.service-card p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* ===== ページヘッダー（内部ページ用） ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2a2a2a 100%);
  color: var(--color-white);
  padding: 60px 0;
  text-align: center;
}

.page-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 14px;
  color: #aaaaaa;
  letter-spacing: 0.08em;
}

/* パンくずリスト（現在地表示） */
.breadcrumb {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
  font-size: 12px;
  color: var(--color-text-light);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list li::after {
  content: '›';
  margin-left: 8px;
  color: var(--color-border);
}

.breadcrumb-list li:last-child::after { display: none; }
.breadcrumb-list a:hover { color: var(--color-accent); }

/* ===== オートテーマ（国産車ページ） ===== */
body.theme-auto {
  --color-bg: #dce8f2;
  background: var(--color-bg);
}

/* ===== フッター ===== */
#footer {
  background: var(--color-header);
  color: #aaaaaa;
}

.footer-main {
  padding: 64px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 2fr;
  gap: 48px;
}

.footer-brand .logo-main { font-size: 18px; margin-bottom: 16px; display: block; }

.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: background var(--transition);
}

.footer-social a:hover { background: var(--color-accent); }

.footer-col h4 {
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col a {
  font-size: 13px;
  color: #888888;
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--color-white); }

.footer-store {
  font-size: 13px;
  line-height: 1.9;
}

.footer-store strong {
  color: var(--color-white);
  display: block;
  margin-bottom: 6px;
  margin-top: 16px;
}

.footer-store strong:first-child { margin-top: 0; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a { color: #666; }
.footer-bottom-links a:hover { color: var(--color-white); }

/* ===== タブ（新車・中古車切り替え） ===== */
.tab-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.tab-bar-inner {
  display: flex;
  gap: 0;
}

.tab-btn {
  padding: 18px 40px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text-light);
  border-bottom: 3px solid transparent;
  transition: all var(--transition);
  letter-spacing: 0.04em;
}

.tab-btn:hover { color: var(--color-dark); }

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.sub-tab-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.sub-tab-btn {
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 700;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text-light);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  letter-spacing: 0.04em;
}

.sub-tab-btn:hover { color: var(--color-dark); }

.sub-tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.sub-tab-content { display: none; }
.sub-tab-content.active { display: block; }

/* ===== フィルターボタン（在庫ページ用） ===== */
.filter-bar {
  background: var(--color-white);
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.filter-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  border: 2px solid var(--color-border);
  background: none;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text-light);
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(200,16,46,0.04);
}

/* ===== ブロググリッド ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===== レスポンシブ（タブレット） ===== */
@media (max-width: 900px) {
  /* ハンバーガー表示・ナビ非表示 */
  .nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-header);
    padding: 8px 8px 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    z-index: 999;
    max-height: calc(100dvh - 70px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav.open { display: block !important; }
  /* メニュー背景オーバーレイ */
  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 998;
  }
  .nav-overlay.open { display: block; }
  .nav-list {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
  }
  .nav-list a {
    display: block;
    padding: 14px 16px;
    font-size: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-radius: 6px;
  }
  .nav-list .nav-contact { margin-top: 8px; }
  .nav-list .nav-contact a { text-align: center; }
  .hamburger { display: flex; }
  /* モバイルドロップダウン：常時展開・インデント表示 */
  .nav-dropdown {
    display: block;
    position: static;
    background: rgba(255,255,255,0.04);
    box-shadow: none;
    border-radius: 0;
    min-width: unset;
    padding: 0;
  }
  .nav-dropdown li a {
    padding-left: 32px !important;
    font-size: 13px !important;
    color: #aaaaaa !important;
  }

  .stores-grid,
  .bikes-grid,
  .services-grid { grid-template-columns: 1fr 1fr; }

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

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ハンバーガーアニメーション */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 店舗ポータルメニュー ===== */
.store-menu-list { list-style: none; padding: 0; margin: 0; }
.store-menu-item { border-top: 1px solid var(--color-border); }
.store-menu-item:last-child { border-bottom: 1px solid var(--color-border); }
.store-menu-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 20px 0;
}
.store-menu-thumb {
  width: 340px;
  min-width: 340px;
  height: 165px;
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
  background: #ddd;
}
.store-menu-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.store-menu-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: #e0e0e0;
  color: #999;
  font-size: 12px;
}
.store-menu-placeholder .thumb-icon { font-size: 28px; line-height: 1; }
.store-menu-info { flex: 1; }
.store-menu-title {
  font-size: 18px;
  font-weight: 700;
  color: #1a5fb4;
  text-decoration: underline;
  text-underline-offset: 3px;
  display: inline-block;
  margin-bottom: 8px;
  transition: color var(--transition);
}
.store-menu-title:hover { color: var(--color-accent); }
.store-menu-desc { font-size: 14px; color: var(--color-text-light); line-height: 1.6; }

/* ===== レスポンシブ（スマホ） ===== */
@media (max-width: 600px) {
  /* コンテナ余白を狭く */
  .container { padding: 0 16px; }

  /* ロゴ */
  .logo-main { font-size: 14px; }
  .logo-sub { display: none; }

  /* ヒーロー */
  .hero { padding: 52px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: clamp(26px, 7vw, 36px); }
  .hero p { font-size: 14px; margin-bottom: 24px; }
  .hero-buttons { flex-direction: column; gap: 10px; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-photos { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .hero-photo img { height: 160px; }

  /* セクション */
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 32px; }

  /* グリッド */
  .stores-grid,
  .bikes-grid,
  .services-grid,
  .service-grid,
  .blog-grid,
  .footer-grid { grid-template-columns: 1fr; }

  /* ニュースバー：2件目は非表示 */
  .news-bar-item:nth-child(2) { display: none; }

  /* フッターボトム */
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .footer-bottom-links { flex-wrap: wrap; justify-content: center; gap: 10px; }

  /* ページヘッダー */
  .page-hero { padding: 44px 0; }

  /* 写真ラベル：縦積みに変更 */
  .hero-photo-label {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 6px 8px 8px;
    font-size: 10px;
  }
  .hero-photo-label-tel {
    font-size: 10px;
  }
  .hero-photo-label-sv {
    font-size: 9px;
    white-space: normal;
    word-break: break-all;
  }

  /* 店舗ポータルメニュー */
  .store-menu-row { flex-direction: column; gap: 0; padding: 0; }
  .store-menu-thumb { width: 100%; min-width: 0; height: 180px; border-radius: 4px 4px 0 0; }
  .store-menu-info { padding: 14px 0 16px; }
}