/* =========================================================
 * 高速バスドットコム FAQ CMS フロントCSS
 * 既存サイトのCSSと干渉しないよう .kbf- プレフィックスで統一
 * ========================================================= */

:root {
  --kbf-bg:#F7F6F2;
  --kbf-surface:#FFFFFF;
  --kbf-border:#E5E3DA;
  --kbf-border-light:#EEECE5;
  --kbf-text:#1A1916;
  --kbf-text-sub:#6B6860;
  --kbf-text-mute:#9E9C95;
  --kbf-accent:#1F5FA6;
  --kbf-accent-bg:#EBF2FB;
  --kbf-accent-border:#A8C8EE;
  --kbf-warn-bg:#FFF8E1;
  --kbf-warn-border:#F5D97A;
  --kbf-warn-text:#7A5200;
  --kbf-mark:#FFEB99;
  --kbf-radius:10px;
  --kbf-radius-sm:6px;
}

/* スコープ内のリセット (既存サイトのCSSの影響を避けるための最低限の調整) */
.kbf-main *, .kbf-header *, .kbf-detail-card *, .kbf-related *, .kbf-cta-box * {
  box-sizing: border-box;
}

.kbf-header {
  background: var(--kbf-surface);
  border-bottom: 1px solid var(--kbf-border);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
}
.kbf-logo {
  font-size: 17px;
  font-weight: 700;
  color: var(--kbf-accent);
  text-decoration: none;
}

.kbf-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--kbf-text);
}

.kbf-breadcrumb {
  font-size: 12px;
  color: var(--kbf-text-sub);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.kbf-breadcrumb a {
  color: var(--kbf-accent);
  text-decoration: none;
}
.kbf-breadcrumb a:hover { text-decoration: underline; }
.kbf-breadcrumb .sep { color: var(--kbf-text-mute); }

.kbf-hero {
  background: linear-gradient(135deg, #1F5FA6 0%, #2E78C7 100%);
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
  color: #fff;
  margin-bottom: 1.25rem;
}
.kbf-hero h1 { font-size: 20px; font-weight: 700; margin: 0 0 .5rem; }
.kbf-hero p { font-size: 13px; opacity: .85; margin: 0; line-height: 1.6; }

.kbf-search-form { margin: 0; padding: 0; }
.kbf-search-box { position: relative; margin-bottom: 1rem; }

/* サイト本体のCSSに勝つため.kbf-mainで特異度を上げる */
.kbf-main .kbf-search-input,
input.kbf-search-input {
  width: 100% !important;
  height: 46px !important;
  padding: 0 44px !important;
  font-size: 15px !important;
  font-family: inherit !important;
  border-radius: var(--kbf-radius) !important;
  border: 1.5px solid var(--kbf-border) !important;
  background: var(--kbf-surface) !important;
  color: var(--kbf-text) !important;
  transition: border-color .15s !important;
  box-sizing: border-box !important;
  margin: 0 !important;
  display: block !important;
  line-height: normal !important;
}
.kbf-main .kbf-search-input:focus,
input.kbf-search-input:focus {
  outline: none !important;
  border-color: var(--kbf-accent) !important;
  box-shadow: 0 0 0 3px var(--kbf-accent-bg) !important;
}
.kbf-search-input::placeholder { color: var(--kbf-text-mute); }
.kbf-search-icon {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
  color: var(--kbf-text-mute);
}
.kbf-search-clear {
  position: absolute; right: 10px; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  border: none;
  background: var(--kbf-border-light);
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--kbf-text-sub);
  font-size: 14px;
  line-height: 1;
}
.kbf-search-clear.visible { display: flex; }

.kbf-suggest {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--kbf-surface);
  border: 1px solid var(--kbf-border);
  border-radius: var(--kbf-radius);
  box-shadow: 0 6px 20px rgba(0,0,0,.08);
  z-index: 20;
  max-height: 420px;
  overflow-y: auto;
  display: none;
}
.kbf-suggest.visible { display: block; }
.kbf-suggest-section + .kbf-suggest-section {
  border-top: 1px solid var(--kbf-border-light);
}
.kbf-suggest-label {
  font-size: 11px;
  color: var(--kbf-text-mute);
  padding: 8px 14px 4px;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-weight: 500;
}
.kbf-suggest-item {
  padding: 9px 14px;
  cursor: pointer;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  transition: background .1s;
  text-decoration: none;
  color: var(--kbf-text);
}
.kbf-suggest-item:hover, .kbf-suggest-item.active {
  background: #FAFAF7;
}
.kbf-suggest-type {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 2px;
  min-width: 18px;
  text-align: center;
}
.kbf-suggest-type.q { background: var(--kbf-accent-bg); color: var(--kbf-accent); }
.kbf-suggest-type.a { background: var(--kbf-border-light); color: var(--kbf-text-sub); }
.kbf-suggest-body { flex: 1; min-width: 0; }
.kbf-suggest-q { font-size: 13px; line-height: 1.5; }
.kbf-suggest-snippet {
  font-size: 11px;
  color: var(--kbf-text-sub);
  margin-top: 3px;
  line-height: 1.5;
}
.kbf-suggest mark {
  background: var(--kbf-mark);
  color: var(--kbf-text);
  padding: 0 2px;
  border-radius: 2px;
}
.kbf-suggest-cat {
  font-size: 10px;
  color: var(--kbf-text-mute);
  margin-top: 3px;
}

.kbf-didyoumean {
  padding: 11px 14px;
  background: var(--kbf-warn-bg);
  border: 1px solid var(--kbf-warn-border);
  border-radius: var(--kbf-radius);
  margin-bottom: 1rem;
  font-size: 13px;
  color: var(--kbf-warn-text);
  display: none;
  line-height: 1.6;
}
.kbf-didyoumean.visible { display: block; }
.kbf-didyoumean strong { font-weight: 700; margin-right: 6px; }
.kbf-didyoumean a {
  color: var(--kbf-accent);
  font-weight: 500;
  text-decoration: underline;
  margin: 0 4px;
}

.kbf-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  margin-bottom: 1.5rem;
}
.kbf-card {
  padding: 12px 14px;
  border-radius: var(--kbf-radius);
  border: 1px solid var(--kbf-border);
  background: var(--kbf-surface);
  cursor: pointer;
  transition: all .15s;
  text-decoration: none;
  color: var(--kbf-text);
  display: block;
}
.kbf-card:hover {
  border-color: var(--kbf-accent-border);
  background: var(--kbf-accent-bg);
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(0,0,0,.05);
}
.kbf-card-icon {
  font-size: 18px;
  margin-bottom: 6px;
  display: block;
}
.kbf-card-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}
.kbf-card-sub {
  font-size: 11px;
  color: var(--kbf-text-mute);
  line-height: 1.4;
}

.kbf-section-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--kbf-text-sub);
  margin-bottom: 10px;
  letter-spacing: .03em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kbf-section-label strong {
  color: var(--kbf-text);
  font-weight: 700;
}
.kbf-back {
  font-size: 12px;
  color: var(--kbf-accent);
  text-decoration: underline;
  cursor: pointer;
}

.kbf-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 2rem;
}
.kbf-item {
  border: 1px solid var(--kbf-border);
  border-radius: var(--kbf-radius);
  background: var(--kbf-surface);
  overflow: hidden;
  transition: border-color .15s;
}
.kbf-item:hover { border-color: var(--kbf-border-light); }
.kbf-item.open { border-color: var(--kbf-accent-border); }
.kbf-q-row {
  width: 100%;
  padding: 13px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.kbf-q-row:hover { background: #FAFAF7; }
.kbf-q-text {
  font-size: 14px;
  color: var(--kbf-text);
  line-height: 1.6;
  flex: 1;
}
.kbf-q-text mark {
  background: var(--kbf-mark);
  color: var(--kbf-text);
  padding: 0 2px;
  border-radius: 2px;
}
.kbf-cat-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--kbf-border-light);
  color: var(--kbf-text-sub);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 3px;
  font-weight: 500;
}
.kbf-arrow {
  color: var(--kbf-text-mute);
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 4px;
  transition: transform .2s;
}
.kbf-item.open .kbf-arrow { transform: rotate(180deg); }
.kbf-a-wrap {
  padding: 0 14px 14px;
  display: none;
}
.kbf-item.open .kbf-a-wrap { display: block; }
.kbf-a {
  font-size: 13px;
  color: var(--kbf-text-sub);
  line-height: 1.7;
}
.kbf-a mark {
  background: var(--kbf-mark);
  color: var(--kbf-text);
  padding: 0 2px;
  border-radius: 2px;
}
.kbf-a a, .kbf-detail-a-body a {
  color: var(--kbf-accent);
  text-decoration: underline;
  word-break: break-all;
  overflow-wrap: anywhere;
}
.kbf-a a:hover, .kbf-detail-a-body a:hover {
  text-decoration: none;
}
.kbf-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--kbf-accent);
  text-decoration: none;
}
.kbf-detail-link:hover { text-decoration: underline; }

.kbf-no-result {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--kbf-text-sub);
  font-size: 13px;
  background: var(--kbf-surface);
  border: 1px dashed var(--kbf-border);
  border-radius: var(--kbf-radius);
}

/* ── 個別ページ ── */
.kbf-detail-card {
  background: var(--kbf-surface);
  border: 1px solid var(--kbf-border);
  border-radius: var(--kbf-radius);
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}
.kbf-detail-cat-tag {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--kbf-accent-bg);
  color: var(--kbf-accent);
  font-weight: 500;
  margin-bottom: 1rem;
}
.kbf-detail-q {
  font-size: 22px;
  font-weight: 700;
  color: var(--kbf-text);
  line-height: 1.5;
  margin: 0 0 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--kbf-accent);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.kbf-detail-q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--kbf-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.kbf-detail-a {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--kbf-text);
  line-height: 1.9;
}
.kbf-detail-a-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--kbf-border-light);
  color: var(--kbf-text-sub);
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.kbf-detail-a-body { flex: 1; }
.kbf-detail-meta {
  font-size: 11px;
  color: var(--kbf-text-mute);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--kbf-border);
}

.kbf-related {
  background: var(--kbf-surface);
  border: 1px solid var(--kbf-border);
  border-radius: var(--kbf-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.kbf-related h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 1rem;
}
.kbf-related-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kbf-related-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--kbf-radius-sm);
  border: 1px solid var(--kbf-border-light);
  background: #FAFAF7;
  text-decoration: none;
  color: var(--kbf-text);
  transition: all .15s;
}
.kbf-related-item:hover {
  border-color: var(--kbf-accent-border);
  background: var(--kbf-accent-bg);
}
.kbf-related-q-mark {
  font-size: 11px;
  font-weight: 700;
  color: var(--kbf-accent);
  background: var(--kbf-accent-bg);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.kbf-related-q {
  font-size: 13px;
  flex: 1;
  line-height: 1.5;
}

.kbf-cta-box {
  background: var(--kbf-surface);
  border: 1px solid var(--kbf-border);
  border-radius: var(--kbf-radius);
  padding: 1.25rem 1.5rem;
  text-align: center;
}
.kbf-cta-box p {
  font-size: 13px;
  color: var(--kbf-text-sub);
  margin: 0 0 .75rem;
}
.kbf-cta-buttons {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.kbf-cta-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--kbf-radius-sm);
  border: 1px solid var(--kbf-accent);
  background: var(--kbf-accent);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.kbf-cta-btn.outline {
  background: #fff;
  color: var(--kbf-accent);
}
.kbf-cta-btn:hover { opacity: .85; }

.kbf-other-cats {
  margin-top: 2.5rem;
}
.kbf-other-cats h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 1rem;
}

.kbf-404 {
  text-align: center;
  padding: 4rem 1rem;
}
.kbf-404 h1 {
  font-size: 22px;
  margin-bottom: 1rem;
}
.kbf-404 p {
  color: var(--kbf-text-sub);
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .kbf-main { padding: 1rem .75rem 3rem; }
  .kbf-hero { padding: 1.25rem; }
  .kbf-hero h1 { font-size: 18px; }
  .kbf-cards { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .kbf-detail-card { padding: 1.25rem; }
  .kbf-detail-q { font-size: 18px; }
  .kbf-detail-a { font-size: 14px; }
}

/* ── 個別FAQページ (detail) ではサイト共通のチャットボットバナーを非表示 ── */
body:has(.kbf-page-detail) section.chatbot {
  display: none !important;
}