/* Premium Bus — Navy/Blue/Orange palette */
:root {
  /* ブラウザのダーク強制で文字が消えるのを防ぐ（全ページ ライト固定） */
  color-scheme: light;

  --primary:           #F68048;
  --primary-deep:      #e06535;
  --primary-press:     #c5501f;
  --primary-soft:      #f89568;
  --primary-subdued:   #fcd5bc;
  --brand-dark:        #0D1A63;
  --ink:               #0d1a40;
  --ink-secondary:     #1a2860;
  --ink-mute:          #647086;
  --canvas:            #ffffff;
  --canvas-soft:       #f6f8ff;
  --canvas-cream:      #eef1ff;
  --hairline:          #d8dff0;
  --hairline-input:    #b0bcdf;
  --shadow-blue:       #0d1a63;

  --shadow-1: rgba(13,26,99,0.08) 0 1px 3px;
  --shadow-2: rgba(13,26,99,0.10) 0 8px 24px, rgba(13,26,99,0.05) 0 2px 6px;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  font-feature-settings: "ss01";
}

a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; max-width: 100%; height: auto; }

/* ── ヘッダー ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 10px clamp(16px, 4vw, 52px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(14px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 68px;
  width: auto;
  display: block;
}

.logo-name {
  font-size: 15px;
  font-weight: 300;
  color: var(--ink);
  letter-spacing: 0.5px;
  line-height: 1.4;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.nav-link {
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  color: var(--ink-mute);
  font-size: 14px;
  font-weight: 400;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--primary);
  background: rgba(155, 47, 98, 0.06);
}

/* ── ドロップダウン ── */
.nav-group { position: relative; }

.nav-group-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-mute);
  font: inherit;
  font-size: 14px;
  font-weight: 400;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.nav-group-btn:hover,
.nav-group-btn[aria-current="true"],
.nav-group.is-open .nav-group-btn {
  color: var(--primary);
  background: rgba(155, 47, 98, 0.06);
}

.nav-caret {
  display: inline-block;
  font-size: 10px;
  line-height: 1;
  transition: transform 0.2s;
}

.nav-group.is-open .nav-caret { transform: rotate(180deg); }

.nav-group-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 30;
}

.nav-group.is-open .nav-group-menu { display: flex; }

.nav-group-menu a {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink-secondary);
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}

.nav-group-menu a:hover {
  color: var(--primary);
  background: rgba(155, 47, 98, 0.06);
}

/* ── ヘッダーCTAボタン ── */
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--primary);
  font-size: 14px;
  font-weight: 400;
  white-space: nowrap;
  transition: background 0.15s;
}

.header-cta:hover { background: var(--primary-press); }

.menu-button { display: none; }

/* ── タイポグラフィ ── */
h1, h2, h3, p { margin-top: 0; }

/* 見出し・短い強調テキストの「行末に1〜2文字だけ残る」折り返しを防ぐ */
h1, h2, h3, h4, h5, h6,
.eyebrow, .badge, .price, .section-title p, .footer-catchcopy {
  text-wrap: balance;
}
/* 本文は読みやすい折り返し（孤立した1単語の行を防ぐ） */
p, li, dd, .hero-copy p, .page-hero p {
  text-wrap: pretty;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -1.4px;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.64px;
}

h3 {
  font-size: 22px;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.22px;
}

/* ── eyebrow ── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 16px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--primary-subdued);
  color: var(--primary-deep);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.1px;
  text-transform: uppercase;
}

/* ── ボタン ── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 20px;
  border: 0;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 16px;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.15s;
}

.primary {
  color: #fff;
  background: var(--primary);
  box-shadow: var(--shadow-2);
}

.primary:hover { background: var(--primary-press); }

.ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.12);
}

.ghost:hover { background: rgba(255, 255, 255, 0.22); }

/* ── ヒーロー ── */
.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  overflow: hidden;
}

/* Stripe グラデーションメッシュ */
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, #2845d622 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 60% -5%,  #1a2ca333 0%, transparent 50%),
    radial-gradient(ellipse 50% 60% at 90% 10%,  #f6804822 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 45% 5%,   #0d1a6344 0%, transparent 50%),
    #0d1a63;
  z-index: 0;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  z-index: 0;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
  padding: 90px clamp(20px, 6vw, 72px);
  color: #fff;
}

.hero-copy .eyebrow {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.3);
}

.hero-copy p {
  max-width: 620px;
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.85);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ── セクション共通 ── */
.section, .page-hero { padding: 80px clamp(20px, 6vw, 72px); }

.page-hero {
  color: #fff;
  background: var(--brand-dark);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(ellipse 70% 80% at 0% 50%, #2845d633 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 100% 20%, #f6804833 0%, transparent 60%);
  z-index: 0;
}

.page-hero > * { position: relative; z-index: 1; }

.page-hero p { max-width: 820px; font-size: 18px; font-weight: 300; }

.section-title { max-width: 820px; margin-bottom: 40px; }

.muted { background: var(--canvas-soft); }

/* ── グリッド ── */
.feature-grid, .cards-2, .vehicle-grid, .price-grid, .timeline {
  display: grid;
  gap: 18px;
}

.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.vehicle-grid, .price-grid, .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* ── カード ── */
.feature-grid article,
.cards-2 article,
.vehicle-grid article,
.price-card,
.timeline article,
.contact-form {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--canvas);
  box-shadow: var(--shadow-1);
}

/* ── 会社概要テーブル ── */
.company-section { background: var(--canvas); }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--canvas);
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.company-table th,
.company-table td {
  border-bottom: 1px solid var(--hairline);
  padding: 20px 24px;
  vertical-align: top;
}

.company-table tr:last-child th,
.company-table tr:last-child td { border-bottom: 0; }

.company-table th {
  width: 34%;
  color: var(--ink-mute);
  background: var(--canvas-soft);
  text-align: left;
  font-weight: 400;
}

.company-table td {
  color: var(--ink);
  background: var(--canvas);
  font-weight: 300;
}

.history-title { margin-top: 60px; }
.history-table th { width: 22%; }

/* ── 安全マネジメント ── */
.safety-management { background: var(--canvas); }

.safety-policy {
  border-left: 4px solid var(--primary);
  padding: 24px 28px;
  background: rgba(83,58,253,0.04);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.safety-policy ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 24px;
  font-weight: 300;
}

.safety-subtitle { margin-top: 58px; }

.safety-table thead th {
  background: var(--brand-dark);
  color: #fff;
}

.safety-table td { text-align: center; }

.safety-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.safety-card-grid article {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--canvas);
  box-shadow: var(--shadow-1);
}

.safety-card-grid span {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--primary);
  font-weight: 400;
  font-size: 14px;
}

.safety-list { max-width: 1000px; }

/* ── feature-grid / vehicle-grid / timeline のアイコン ── */
.feature-grid span,
.vehicle-grid span,
.timeline span {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--primary);
  font-weight: 400;
  font-size: 14px;
}

/* ── スプリット ── */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 42px;
}

/* ── チェックリスト ── */
.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 14px 16px 14px 44px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--canvas);
  font-weight: 300;
}

.check-list li::before {
  position: absolute;
  left: 16px;
  color: var(--primary);
  content: "✓";
  font-weight: 400;
}

/* ── 車両アイコン ── */
.vehicle-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  border-radius: var(--radius-md);
  color: #fff;
  background: var(--primary);
  font-size: 22px;
  font-weight: 400;
}

/* ── 詳細ボタン ── */
.detail-button {
  width: 100%;
  margin-top: 12px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-pill);
  padding: 10px 14px;
  color: var(--primary);
  background: var(--canvas);
  font: inherit;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.detail-button:hover {
  color: #fff;
  background: var(--primary);
}

/* ── 車両詳細 ── */
.vehicle-details-section { padding-top: 0; }

.vehicle-detail {
  display: block;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 34px);
  background: var(--canvas);
  box-shadow: var(--shadow-2);
  scroll-margin-top: 110px;
}

.vehicle-detail + .vehicle-detail { margin-top: 24px; }

.vehicle-detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.vehicle-detail-header span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  color: #fff;
  background: var(--primary);
  font-weight: 400;
}

.vehicle-detail-header h3 {
  margin: 0;
  font-size: clamp(24px, 3.5vw, 36px);
}

.vehicle-detail ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.vehicle-detail li {
  position: relative;
  padding-left: 24px;
}

.vehicle-detail li::before {
  position: absolute;
  left: 0;
  color: var(--primary);
  content: "●";
  font-size: 10px;
  top: 6px;
}

.vehicle-detail-lead {
  max-width: 880px;
  margin-bottom: 24px;
  font-size: 17px;
  font-weight: 300;
}

.vehicle-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
  gap: 24px;
  align-items: start;
}

.vehicle-detail h4 { margin: 0 0 12px; font-size: 20px; }

.spec-box {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  background: var(--canvas-soft);
}

.spec-box dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  margin: 0;
  border-top: 1px solid var(--hairline);
}

.spec-box dt,
.spec-box dd {
  margin: 0;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline);
}

.spec-box dt { color: var(--ink-mute); font-weight: 400; }
.spec-box dd { font-weight: 300; font-feature-settings: "tnum"; }

.equipment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.equipment-list span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--primary-deep);
  background: var(--primary-subdued);
  font-size: 13px;
  font-weight: 400;
}

.vehicle-quote { margin-top: 24px; }

/* ── 料金カード ── */
.price-card.highlight {
  border-color: var(--primary);
  box-shadow: var(--shadow-2);
}

.badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--primary);
  font-size: 13px;
  font-weight: 400;
}

.price {
  color: var(--primary);
  font-size: 32px;
  font-weight: 300;
  font-feature-settings: "tnum";
  letter-spacing: -0.42px;
}

/* ── CTA ── */
.cta { text-align: center; }

/* ── バナー（ボタン式・横並び） ── */
.banner-section { background: var(--canvas); }
.banner-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
  align-items: start;
}
.banner-item { display: block; }
.banner-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 3px 14px rgba(0,0,0,0.12);
  transition: transform 0.18s, box-shadow 0.18s;
}
.banner-item:hover img {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}
@media (max-width: 560px) {
  .banner-list { grid-template-columns: 1fr; }
}

/* ── お問い合わせ ── */
.form-section { background: var(--canvas-soft); }

.contact-info-grid {
  max-width: 980px;
  margin: 0 auto 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-info-card,
.estimate-notes {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 26px;
  background: var(--canvas);
  box-shadow: var(--shadow-1);
}

.contact-info-card h2 { color: var(--primary); }

.estimate-notes {
  max-width: 980px;
  margin: 0 auto 26px;
}

.estimate-notes ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
  font-weight: 300;
}

.contact-form {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
  box-shadow: var(--shadow-2);
}

.form-heading { margin-bottom: 4px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

label { display: grid; gap: 7px; font-weight: 400; }

label span {
  display: flex;
  align-items: center;
  gap: 8px;
}

label b {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--primary);
  font-size: 11px;
  font-style: normal;
  font-weight: 400;
}

label b.optional { background: var(--ink-mute); }
label em { font-style: normal; }
.full-field { display: grid; }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--hairline-input);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--ink);
  font: inherit;
  font-weight: 300;
  background: var(--canvas);
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

textarea { resize: vertical; }
.form-note { color: var(--ink-mute); font-size: 13px; }

/* ── フッター ── */
.site-footer {
  background: #f3f5f8;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--ink-mute);
}

.site-footer p { margin: 0; }

.footer-main {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
  align-items: start;
  padding: 48px clamp(20px, 6vw, 72px) 40px;
}

.footer-contact-box {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-1);
}

.footer-contact-heading {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
}

.footer-company-label {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-secondary);
}

.footer-tel-row {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.footer-tel,
.footer-fax {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
  font-feature-settings: "tnum";
  letter-spacing: -0.2px;
}

.tel-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  font-style: normal;
}

.fax-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  background: var(--ink-mute);
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  font-style: normal;
}

.footer-hours {
  margin: 0 0 10px;
  font-size: 13px;
}

.footer-faq-note {
  margin: 0;
  font-size: 12px;
}

.footer-faq-note a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding-top: 4px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav-heading {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink);
}

.footer-nav-col a {
  color: var(--ink-mute);
  font-size: 13px;
  transition: color 0.15s;
}

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

.footer-divider {
  height: 1px;
  background: var(--hairline);
  margin: 0 clamp(20px, 6vw, 72px);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 20px clamp(20px, 6vw, 72px);
}

.footer-legal a {
  color: var(--ink-mute);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.footer-legal a:hover { color: var(--primary); }

.footer-disclaimer {
  margin: 0;
  padding: 0 clamp(20px, 6vw, 72px) 20px;
  font-size: 12px;
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px clamp(20px, 6vw, 72px);
  border-top: 1px solid var(--hairline);
}

.footer-corp { font-size: 12px; }

.footer-catchcopy {
  font-size: 18px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

/* ── レスポンシブ ── */
@media (max-width: 1080px) {
  .site-header { grid-template-columns: auto 1fr auto auto; }
  /* タブレット幅ではナビを横スワイプ式に。スクロールバーの線は隠して自然な見た目にする */
  .site-nav { justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
  .feature-grid, .vehicle-grid, .price-grid, .timeline, .safety-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-main { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .site-header { grid-template-columns: auto 1fr auto auto; }
  .header-cta { display: none; }
  .menu-button {
    display: inline-flex;
    grid-column: 4;
    border: 1px solid var(--hairline);
    border-radius: var(--radius-pill);
    padding: 8px 14px;
    color: var(--primary);
    background: var(--canvas);
    font-weight: 400;
  }
  .site-nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--hairline);
    border-radius: var(--radius-md);
    background: var(--canvas);
  }
  .site-nav.is-open { display: flex; }
  .nav-link,
  .nav-group-btn { border-radius: var(--radius-md); width: 100%; justify-content: space-between; }
  .nav-group { width: 100%; }
  .nav-group-menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--hairline);
    border-radius: 0;
    margin-left: 12px;
    padding: 4px 0;
    display: none;
  }
  .nav-group.is-open .nav-group-menu,
  .nav-group.is-mobile-open .nav-group-menu { display: flex; }
  .hero { min-height: 600px; }
  h1 { font-size: 36px; letter-spacing: -0.8px; }
  .feature-grid, .cards-2, .vehicle-grid, .price-grid, .timeline, .split, .safety-card-grid {
    grid-template-columns: 1fr;
  }
  .contact-info-grid, .form-grid { grid-template-columns: 1fr; }
  .vehicle-detail-grid { grid-template-columns: 1fr; }
  .spec-box dl { grid-template-columns: 1fr; }
  .spec-box dt { padding-bottom: 0; border-bottom: 0; }
  .spec-box dd { padding-top: 2px; }
  .table-wrap { overflow-x: visible; border: 0; }
  .company-table,
  .company-table tbody,
  .company-table tr,
  .company-table th,
  .company-table td { display: block; width: 100%; }
  .company-table tr { margin-bottom: 12px; border: 1px solid var(--hairline); }
  .company-table th,
  .company-table td { border-bottom: 1px solid var(--hairline); padding: 14px 16px; font-size: 15px; }
  .company-table td { border-bottom: 0; }
  /* safety-table（4列）はブロック化せず横スクロールで表示 */
  .table-wrap:has(.safety-table) { overflow-x: auto; border: 1px solid var(--hairline); border-radius: 10px; }
  .safety-table, .safety-table thead, .safety-table tbody,
  .safety-table tr, .safety-table th, .safety-table td {
    display: revert; width: auto;
  }
  .safety-table th, .safety-table td { padding: 12px 14px; font-size: 13px; }
  .footer-main { grid-template-columns: 1fr; padding: 32px 20px 28px; gap: 32px; }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-catchcopy { font-size: 15px; }
  /* ラッパーdivを持たない表（法令ページ・募集要項）が
     スマホ幅で横にはみ出して切れないよう、表自体を横スクロール可能にする。
     中身（金額・条文）は一切変えない安全対応 */
  .legal-table, .recruit-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}