/* =====================================================
   補助金DB - メインスタイル
   ===================================================== */

/* ── CSS カスタムプロパティ ── */
:root {
  --color-primary:    #1a3a5c;
  --color-primary-d:  #122a44;
  --color-secondary:  #2d6a9f;
  --color-accent:     #c0392b;
  --color-warn:       #e67e22;
  --color-caution:    #f39c12;
  --color-ok:         #27ae60;
  --color-bg:         #f4f6f9;
  --color-surface:    #ffffff;
  --color-border:     #dde1e7;
  --color-text:       #1a1a2e;
  --color-text-mid:   #555e6e;
  --color-text-light: #8892a0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10);
  --font-base: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --transition: 0.18s ease;
}

/* ── リセット・ベース ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-base); background: var(--color-bg); color: var(--color-text); line-height: 1.7; }
a { color: var(--color-secondary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; clip: rect(0,0,0,0); overflow: hidden; }

/* ── コンテナ ── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }

/* ── グローバル免責バナー ── */
.global-disclaimer {
  background: #fff8e1;
  border-bottom: 2px solid var(--color-caution);
  padding: .6rem 1.25rem;
  font-size: .85rem;
  text-align: center;
  color: #5a3e00;
}
.global-disclaimer .icon { margin-right: .4rem; }
.global-disclaimer a { color: var(--color-warn); font-weight: 600; }

/* ── ヘッダー ── */
.site-header {
  background: var(--color-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 56px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 900;
}
.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; gap: 0; }
.site-nav a {
  display: block;
  padding: .4rem .9rem;
  color: rgba(255,255,255,.85);
  font-size: .92rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255,255,255,.15);
  color: #fff;
  text-decoration: none;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  margin-left: auto;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* ── ヒーロー ── */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff;
  padding: 4rem 0 3.5rem;
  text-align: center;
}
.hero-title { font-size: clamp(1.5rem, 4vw, 2.4rem); font-weight: 800; line-height: 1.35; margin-bottom: .75rem; }
.hero-sub { font-size: 1rem; opacity: .9; margin-bottom: 2rem; }
.search-bar {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  gap: .5rem;
  position: relative;
}
.search-bar input {
  flex: 1;
  padding: .85rem 1.1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-base);
  box-shadow: var(--shadow-md);
  outline: none;
}
.search-bar input:focus { box-shadow: 0 0 0 3px rgba(255,255,255,.4); }
.search-bar button {
  padding: .85rem 1.2rem;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
}
.search-bar button:hover { background: #a93226; }
.search-dropdown {
  position: absolute;
  top: calc(100% + .4rem);
  left: 0;
  right: 50px;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-height: 360px;
  overflow-y: auto;
  z-index: 200;
  text-align: left;
  color: var(--color-text);
}
.search-dropdown a { display: block; padding: .75rem 1rem; border-bottom: 1px solid var(--color-border); font-size: .92rem; }
.search-dropdown a:hover { background: var(--color-bg); text-decoration: none; }
.search-dropdown .sdrop-meta { font-size: .8rem; color: var(--color-text-mid); margin-top: .2rem; }
.search-dropdown .no-result { padding: 1rem; color: var(--color-text-mid); }

/* ── 統計バー ── */
.stats-bar { background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: .9rem 0; }
.stats-inner { display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-num { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); display: block; line-height: 1; }
.stat-label { font-size: .78rem; color: var(--color-text-mid); }

/* ── セクション共通 ── */
.section-block { padding: 3rem 0; }
.section-block.bg-light { background: var(--color-surface); }
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.section-header h2 { font-size: 1.3rem; font-weight: 700; color: var(--color-primary); }
.link-more { font-size: .87rem; color: var(--color-secondary); font-weight: 600; }

/* ── 省庁グリッド ── */
.ministry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: .75rem;
}
.ministry-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  color: var(--color-text);
}
.ministry-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); text-decoration: none; }
.ministry-name { font-weight: 600; font-size: .92rem; }
.ministry-count { font-size: .78rem; color: var(--color-text-mid); }

/* ── 新着リスト ── */
.recent-list { list-style: none; display: flex; flex-direction: column; gap: .75rem; }
.recent-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.recent-meta { display: flex; gap: .4rem; flex-wrap: wrap; }
.recent-title { font-weight: 600; color: var(--color-text); font-size: .97rem; }
.recent-title:hover { color: var(--color-secondary); text-decoration: underline; }
.recent-info { display: flex; gap: 1rem; font-size: .83rem; color: var(--color-text-mid); flex-wrap: wrap; }

/* ── タグ ── */
.tag {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 100px;
  font-size: .74rem;
  font-weight: 600;
  line-height: 1.4;
}
.tag-ministry  { background: #e3edf7; color: var(--color-primary); }
.tag-category  { background: #eaf4ea; color: #2d6a2d; }
.tag-warn      { background: #fdecea; color: var(--color-accent); }
.tag-caution   { background: #fff4e0; color: #7a4f00; }
.tag-info      { background: #e8f4fd; color: #1a6fa0; }

/* ── バッジ ── */
.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 100px;
  background: var(--color-primary);
  color: #fff;
  font-size: .74rem;
  font-weight: 700;
}

/* ── パンくず ── */
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; font-size: .83rem; color: var(--color-text-mid); margin-bottom: 1.25rem; }
.breadcrumb li + li::before { content: "/"; margin-right: .4rem; }
.breadcrumb a { color: var(--color-secondary); }

/* ── ページコンテンツ共通 ── */
.page-content { padding: 2rem 0 4rem; }
.page-title { font-size: 1.7rem; font-weight: 800; color: var(--color-primary); margin-bottom: .4rem; }
.page-title-count { font-size: 1rem; font-weight: 400; color: var(--color-text-mid); margin-left: .5rem; }
.page-desc { color: var(--color-text-mid); margin-bottom: 1.75rem; }

/* ── 省庁フルグリッド ── */
.tab-filter { display: flex; gap: .5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.tab {
  padding: .4rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  background: var(--color-surface);
  font-size: .87rem;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  font-family: var(--font-base);
}
.tab.active, .tab:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.ministry-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.ministry-card-full {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  text-decoration: none;
  color: var(--color-text);
  transition: box-shadow var(--transition), transform var(--transition);
  display: block;
}
.ministry-card-full:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); text-decoration: none; }
.mcf-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .3rem; }
.mcf-name { font-weight: 700; font-size: .97rem; }
.mcf-category { font-size: .78rem; color: var(--color-text-mid); margin-bottom: .7rem; }
.mcf-preview { list-style: none; font-size: .82rem; color: var(--color-text-mid); display: flex; flex-direction: column; gap: .2rem; }
.mcf-preview .more { color: var(--color-secondary); font-style: italic; }

/* ── フィルターパネル ── */
.filter-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.filter-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: .75rem; }
.filter-group { display: flex; flex-direction: column; gap: .3rem; flex: 1; min-width: 160px; }
.filter-group label { font-size: .82rem; font-weight: 600; color: var(--color-text-mid); }
.filter-group input,
.filter-group select {
  padding: .55rem .75rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: .92rem;
  font-family: var(--font-base);
  background: #fff;
  transition: border-color var(--transition);
  outline: none;
}
.filter-group input:focus,
.filter-group select:focus { border-color: var(--color-secondary); }
.filter-result-count { font-size: .83rem; color: var(--color-text-mid); }

/* ── 補助金カードグリッド ── */
.subsidy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}
.subsidy-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.subsidy-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.subsidy-card.is-past { border-left: 4px solid var(--color-accent); opacity: .85; }
.subsidy-card.is-caution { border-left: 4px solid var(--color-caution); }
.card-tags { display: flex; gap: .35rem; flex-wrap: wrap; }
.card-title { font-size: 1rem; font-weight: 700; line-height: 1.4; }
.card-title a { color: var(--color-text); }
.card-title a:hover { color: var(--color-secondary); text-decoration: underline; }
.card-info { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; }
.card-info div { display: flex; gap: .5rem; }
.card-info dt { color: var(--color-text-mid); min-width: 60px; flex-shrink: 0; }
.card-info dd { color: var(--color-text); }
.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: .6rem; border-top: 1px solid var(--color-border); }
.card-date { font-size: .78rem; color: var(--color-text-light); }
.card-link { font-size: .85rem; font-weight: 600; color: var(--color-secondary); }
.no-result { text-align: center; color: var(--color-text-mid); padding: 3rem 0; font-size: .95rem; }

/* ── 詳細ページ ── */
.detail-page { max-width: 820px; }

/* AI免責ボックス */
.ai-disclaimer-box {
  display: flex;
  gap: 1rem;
  background: #fff8e1;
  border: 2px solid var(--color-caution);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.ai-disclaimer-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; padding-top: .1rem; }
.ai-disclaimer-body strong { font-size: .95rem; display: block; margin-bottom: .3rem; color: #5a3e00; }
.ai-disclaimer-body p { font-size: .88rem; color: #5a3e00; }

/* 異常値バナー */
.anomaly-banner {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  margin-bottom: .6rem;
}
.anomaly-past   { background: #fdecea; color: #922b21; border-left: 4px solid var(--color-accent); }
.anomaly-far    { background: #fef9e7; color: #7d6608; border-left: 4px solid var(--color-caution); }
.anomaly-amount { background: #e8f4fd; color: #1a5276; border-left: 4px solid var(--color-secondary); }
.anomaly-low    { background: #f4f6f7; color: #555; border-left: 4px solid var(--color-border); }

/* 詳細ヘッダー */
.detail-header { margin: 1.5rem 0 2rem; }
.detail-tags { display: flex; gap: .4rem; margin-bottom: .6rem; }
.detail-title { font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 800; line-height: 1.35; color: var(--color-primary); margin-bottom: .5rem; }
.detail-confirmed { font-size: .82rem; color: var(--color-text-mid); }

.detail-body { display: flex; flex-direction: column; gap: 2.5rem; }

/* CTAボタン群 */
.cta-group { display: flex; flex-direction: column; gap: .75rem; }
.btn {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1.25rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-base);
}
.btn:hover { text-decoration: none; }
.btn-icon { font-size: 1.3rem; flex-shrink: 0; }
.btn-text { display: flex; flex-direction: column; flex: 1; }
.btn-main { font-weight: 700; font-size: 1rem; }
.btn-sub  { font-size: .78rem; opacity: .8; margin-top: .1rem; word-break: break-all; }
.btn-arrow { font-size: 1.2rem; opacity: .7; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(26,58,92,.25);
  font-size: 1.05rem;
}
.btn-primary:hover { background: var(--color-primary-d); box-shadow: 0 6px 20px rgba(26,58,92,.35); }
.btn-cta { padding: 1.1rem 1.4rem; }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-secondary); box-shadow: var(--shadow-sm); }

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn-outline:hover { background: #fdecea; }

/* 情報テーブル */
.info-section h2,
.confidence-section h2,
.meta-section h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1rem;
}
.info-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.info-table th,
.info-table td { padding: .75rem .9rem; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.info-table th { width: 160px; background: #f8f9fa; font-weight: 600; color: var(--color-text-mid); white-space: nowrap; }
.amount-note { font-size: .78rem; color: var(--color-text-mid); margin-left: .5rem; }
.conf-badge {
  display: inline-block;
  padding: .1rem .45rem;
  background: #eaf4ea;
  color: #2d6a2d;
  border-radius: 100px;
  font-size: .73rem;
  font-weight: 600;
  margin-left: .4rem;
}

/* 信頼スコアバー */
.conf-note { font-size: .83rem; color: var(--color-text-mid); margin-bottom: 1rem; }
.confidence-bars { display: flex; flex-direction: column; gap: .75rem; }
.conf-row { display: grid; grid-template-columns: 100px 1fr; gap: 1rem; align-items: center; font-size: .87rem; }
.conf-row dt { font-weight: 600; color: var(--color-text-mid); }
.conf-row dd { display: flex; align-items: center; gap: .75rem; }
.conf-bar-wrap { flex: 1; height: 10px; background: var(--color-border); border-radius: 100px; overflow: hidden; }
.conf-bar { height: 100%; border-radius: 100px; transition: width .4s ease; }
.conf-high { background: var(--color-ok); }
.conf-mid  { background: var(--color-caution); }
.conf-low  { background: var(--color-accent); }
.conf-pct  { min-width: 36px; text-align: right; font-size: .8rem; color: var(--color-text-mid); font-weight: 600; }

/* メタ情報 */
.meta-dl { display: flex; flex-direction: column; gap: .6rem; font-size: .87rem; }
.meta-dl div { display: flex; gap: .75rem; flex-wrap: wrap; }
.meta-dl dt { min-width: 140px; font-weight: 600; color: var(--color-text-mid); flex-shrink: 0; }
.meta-dl dd code { background: #f0f2f5; padding: .15rem .4rem; border-radius: var(--radius-sm); font-size: .82rem; word-break: break-all; }

/* ページ下部免責 */
.page-disclaimer {
  background: #fff8e1;
  border: 1px solid var(--color-caution);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.page-disclaimer h2 { font-size: 1rem; margin-bottom: .6rem; color: #5a3e00; }
.page-disclaimer p { font-size: .87rem; color: #5a3e00; line-height: 1.75; }
.disclaimer-pdf-link {
  display: inline-block;
  margin-top: .8rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-warn);
  word-break: break-all;
}

/* ── フッター ── */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.8);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  font-size: .85rem;
}
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.footer-disclaimer h2 { font-size: .95rem; color: #fff; margin-bottom: .5rem; }
.footer-disclaimer p { line-height: 1.75; max-width: 520px; }
.footer-disclaimer strong { color: #fff; }
.footer-meta { text-align: right; display: flex; flex-direction: column; gap: .5rem; }
.footer-meta a { color: rgba(255,255,255,.7); }
.footer-meta a:hover { color: #fff; }

/* ── レスポンシブ ── */
@media (max-width: 768px) {
  .header-inner { gap: 1rem; }
  .site-nav { display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--color-primary-d); padding: .5rem; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; }
  .nav-toggle { display: flex; }
  .hero { padding: 2.5rem 0 2rem; }
  .filter-row { flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
  .conf-row { grid-template-columns: 80px 1fr; }
  .info-table th { width: 100px; }
  .subsidy-grid { grid-template-columns: 1fr; }
}