/* ================================================================
   調剤報酬百科 — スタイルシート
   令和8年6月1日施行対応版
================================================================ */

/* ─── カラー変数 ─── */
:root {
  --blue-deep:   #003A8C;
  --blue-main:   #0068B7;
  --blue-light:  #0096D6;
  --blue-pale:   #E8F4FB;
  --blue-border: #B8D8EF;
  --accent:      #FFB300;
  --text-dark:   #1A1A2E;
  --text-mid:    #4A5568;
  --text-light:  #718096;
  --white:       #FFFFFF;
  --bg:          #F5F8FC;
}

/* ─── リセット ─── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── ベース ─── */
body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  color: var(--text-dark);
  background: var(--bg);
  line-height: 1.7;
}

/* ================================================================
   Header
================================================================ */
header {
  background: var(--blue-deep);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

nav {
  display: flex;
  gap: 8px;
}

nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.82rem;
  padding: 6px 12px;
  border-radius: 4px;
  transition: background 0.2s;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

/* ================================================================
   Hero
================================================================ */
.hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-main) 55%, var(--blue-light) 100%);
  color: var(--white);
  padding: 80px 24px 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-badge {
  display: inline-block;
  background: var(--accent);
  color: var(--blue-deep);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  position: relative;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto 36px;
  opacity: 0.9;
  position: relative;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
}

.stat {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 14px 28px;
  backdrop-filter: blur(4px);
}

.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.78rem;
  opacity: 0.85;
  margin-top: 2px;
}

/* ================================================================
   メインコンテンツ
================================================================ */
.content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px;
}

/* ─── 章ブロック ─── */
.chapter {
  margin-bottom: 72px;
}

.chapter-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--blue-main);
}

.chapter-num {
  background: var(--blue-main);
  color: var(--white);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1.2;
  text-align: center;
}

.chapter-num--care {
  background: #2B6CB0;
  font-size: 0.65rem;
}

.chapter-title h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--blue-deep);
}

.chapter-title p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 2px;
}

/* ─── 介護報酬バッジ ─── */
.chapter-badge {
  display: inline-block;
  font-size: 0.7rem;
  background: #E9F0FF;
  color: #3B5BDB;
  border-radius: 4px;
  padding: 2px 8px;
  font-weight: 700;
  margin-left: 8px;
  vertical-align: middle;
}

/* ================================================================
   目次（TOC）
================================================================ */
.toc-section {
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: 16px;
  padding: 32px 36px;
  margin-bottom: 56px;
}

.toc-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue-deep);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-section h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.1em;
  background: var(--blue-main);
  border-radius: 2px;
}

.toc-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  list-style: none;
}

.toc-list a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--blue-main);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

.toc-list a:hover {
  border-color: var(--blue-main);
}

.toc-list a::before {
  content: '▶';
  font-size: 0.6rem;
  flex-shrink: 0;
}

/* ================================================================
   カードグリッド
================================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: 12px;
  padding: 20px 22px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
}

.card:hover {
  box-shadow: 0 6px 24px rgba(0, 104, 183, 0.15);
  transform: translateY(-2px);
  border-color: var(--blue-main);
}

.card-icon {
  font-size: 1.4rem;
  line-height: 1;
}

.card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-deep);
  line-height: 1.4;
}

.card p {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.5;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--blue-main);
  background: var(--blue-pale);
  border-radius: 4px;
  padding: 2px 8px;
  margin-top: auto;
  font-weight: 600;
}

/* ================================================================
   Footer
================================================================ */
footer {
  background: var(--blue-deep);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 36px 24px;
  font-size: 0.82rem;
}

footer a {
  color: rgba(255, 255, 255, 0.9);
}

footer p + p {
  margin-top: 8px;
  font-size: 0.75rem;
  opacity: 0.6;
}

/* ================================================================
   節カード（chozai2026 / index / 節ページ共通）
================================================================ */
.sec-card-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sec-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: 14px;
  padding: 20px 24px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.sec-card:hover {
  box-shadow: 0 6px 24px rgba(0, 104, 183, 0.15);
  transform: translateY(-2px);
  border-color: var(--blue-main);
}

.sec-card-num {
  background: var(--blue-main);
  color: var(--white);
  min-width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0.02em;
}

.sec-card-num--care {
  background: #2B6CB0;
  font-size: 0.65rem;
}

.sec-card-body {
  flex: 1;
}

.sec-card-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--blue-deep);
  margin-bottom: 4px;
}

.sec-card-body p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.5;
}

.sec-card-meta {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.sec-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--blue-main);
  background: var(--blue-pale);
  border-radius: 20px;
  padding: 3px 10px;
  font-weight: 600;
}

.sec-card-arrow {
  font-size: 1.6rem;
  color: var(--blue-border);
  flex-shrink: 0;
  transition: color 0.2s;
}

.sec-card:hover .sec-card-arrow {
  color: var(--blue-main);
}

/* ================================================================
   パンくずナビ（下層ページ共通）
================================================================ */
.breadcrumb {
  background: var(--white);
  border-bottom: 1px solid var(--blue-border);
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--blue-main);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: var(--blue-border); }

/* ================================================================
   詳細解説ページ共通スタイル（page-hero / table / note-card）
================================================================ */

/* ─── ページヒーロー（コンパクト版） ─── */
.page-hero {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-main) 100%);
  color: var(--white);
  padding: 40px 24px 48px;
}
.page-hero-inner  { max-width: 1200px; margin: 0 auto; }
.page-hero-label  {
  font-size: 0.75rem; background: rgba(255,255,255,0.2);
  border-radius: 4px; padding: 2px 10px;
  display: inline-block; margin-bottom: 12px;
}
.page-hero h1 {
  font-size: clamp(1.4rem, 3vw, 2.1rem); font-weight: 800;
  line-height: 1.3; margin-bottom: 10px;
}
.page-hero p { font-size: 0.95rem; opacity: 0.85; max-width: 720px; }
.page-hero-meta   { margin-top: 20px; display: flex; gap: 14px; flex-wrap: wrap; }
.meta-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px; padding: 4px 14px; font-size: 0.78rem;
}

/* ─── ページコンテンツ ─── */
.page-content { max-width: 1200px; margin: 0 auto; padding: 48px 24px 80px; }

/* ─── セクションタイトル ─── */
.section-title {
  font-size: 1.1rem; font-weight: 800; color: var(--blue-deep);
  margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.section-title::before {
  content: ''; display: block; width: 4px; height: 1.2em;
  background: var(--blue-main); border-radius: 2px; flex-shrink: 0;
}

/* ─── 点数表テーブル ─── */
.table-wrap {
  overflow-x: auto; border-radius: 12px;
  border: 1px solid var(--blue-border); margin-bottom: 56px;
}
.table-wrap table {
  width: 100%; border-collapse: collapse;
  font-size: 0.875rem; background: var(--white);
}
.table-wrap thead th {
  background: var(--blue-deep); color: var(--white);
  padding: 12px 16px; text-align: left;
  font-weight: 700; font-size: 0.8rem; letter-spacing: 0.03em; white-space: nowrap;
}
.table-wrap thead th:last-child { text-align: center; }
.table-wrap tbody tr { border-bottom: 1px solid var(--blue-border); }
.table-wrap tbody tr:last-child { border-bottom: none; }
.table-wrap tbody tr:nth-child(even) { background: #F9FBFE; }
.table-wrap tbody tr:hover { background: var(--blue-pale); }
.table-wrap td {
  padding: 12px 16px; vertical-align: top;
  line-height: 1.6; color: var(--text-dark);
}
.td-item { font-weight: 700; color: var(--blue-deep); white-space: nowrap; }
.td-score { text-align: center; font-weight: 800; font-size: 1rem; white-space: nowrap; }
.score-pos { color: var(--blue-main); }
.score-neg { color: #C0392B; }
.badge-todoke {
  display: inline-block; font-size: 0.7rem; padding: 1px 7px;
  border-radius: 3px; font-weight: 700; margin-right: 4px;
  vertical-align: middle; background: #EBF5FB; color: #1A5276; border: 1px solid #AED6F1;
}
.badge-gen {
  display: inline-block; font-size: 0.7rem; padding: 1px 7px;
  border-radius: 3px; font-weight: 700; margin-right: 4px;
  vertical-align: middle; background: #FDEDEC; color: #922B21; border: 1px solid #F5B7B1;
}
.td-req ul { margin: 4px 0 0 16px; font-size: 0.82rem; color: var(--text-mid); line-height: 1.6; }
.td-req small { display: block; color: var(--text-light); font-size: 0.78rem; margin-top: 4px; line-height: 1.55; }
.warning-row td { background: #FEF9E7 !important; }
.warning-row .td-item { color: #7D6608; }
.exempt-row  td { background: #F0FFF4 !important; }
.exempt-row  .td-item { color: #276749; }
.group-row   td { background: #EBF5FB !important; font-weight: 700; color: #1A5276; font-size: 0.8rem; }

/* ─── 凡例ボックス ─── */
.legend-box {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 24px; padding: 14px 20px;
  background: var(--white); border: 1px solid var(--blue-border);
  border-radius: 10px; font-size: 0.8rem;
}
.legend-box .legend-label { font-weight: 700; color: var(--text-mid); margin-right: 4px; }
.legend-dot {
  display: inline-flex; align-items: center; gap: 6px;
}
.legend-dot span {
  display: inline-block; width: 12px; height: 12px;
  border-radius: 2px; flex-shrink: 0;
}

/* ─── 注カードコンテナ ─── */
.notes-container { display: flex; flex-direction: column; gap: 16px; margin-bottom: 56px; }
.note-card {
  background: var(--white); border: 1px solid var(--blue-border);
  border-left: 4px solid var(--blue-main); border-radius: 8px; padding: 18px 22px;
}
.note-card--reduction { border-left-color: #E74C3C; }
.note-card--division  { border-left-color: #27AE60; }
.note-card--special   { border-left-color: #8E44AD; }
.note-card--caution   { border-left-color: #E67E22; }
.note-card--home      { border-left-color: #C05621; }
.note-card--exempt    { border-left-color: #27AE60; }
.note-card--min       { border-left-color: #8E44AD; }
.note-num {
  font-size: 0.72rem; font-weight: 800; color: var(--white);
  background: var(--blue-main); border-radius: 12px;
  padding: 2px 10px; display: inline-block; margin-bottom: 8px; letter-spacing: 0.04em;
}
.note-card--reduction .note-num { background: #E74C3C; }
.note-card--division  .note-num { background: #27AE60; }
.note-card--special   .note-num { background: #8E44AD; }
.note-card--caution   .note-num { background: #E67E22; }
.note-card--home      .note-num { background: #C05621; }
.note-card--exempt    .note-num { background: #27AE60; }
.note-card--min       .note-num { background: #8E44AD; }
.note-title { font-weight: 700; font-size: 0.92rem; color: var(--blue-deep); margin-bottom: 6px; }
.note-body { font-size: 0.85rem; color: var(--text-mid); line-height: 1.75; }
.note-body p + p { margin-top: 8px; }
.note-point     { display: inline-block; font-weight: 800; color: var(--blue-main); }
.note-point--neg { display: inline-block; font-weight: 800; color: #C0392B; }
.note-point--pos { display: inline-block; font-weight: 800; color: #27AE60; }
.law-quote {
  background: #F4F6F9; border-radius: 6px; padding: 12px 16px;
  font-size: 0.82rem; color: var(--text-mid); line-height: 1.75; margin-top: 10px;
}
.law-quote h4 { font-size: 0.78rem; font-weight: 700; color: var(--text-light); margin-bottom: 6px; letter-spacing: 0.04em; }

/* ─── サマリカード ─── */
.summary-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px; margin-bottom: 56px;
}
.summary-card {
  background: var(--white); border: 1px solid var(--blue-border);
  border-radius: 10px; padding: 14px 16px; text-align: center;
}
.summary-card--highlight { border-color: var(--blue-main); background: var(--blue-pale); }
.summary-card--highlight .summary-card-value { color: var(--blue-main); }
.summary-card--danger { border-color: #C0392B; background: #FEF0F0; }
.summary-card--danger .summary-card-value { color: #C0392B; }
.summary-card--safe { border-color: #27AE60; background: #F0FFF4; }
.summary-card--safe .summary-card-value { color: #27AE60; }
.summary-card--home { border-color: #C05621; background: #FFF3E0; }
.summary-card--home .summary-card-value { color: #C05621; }
.summary-card-label { font-size: 0.72rem; color: var(--text-light); margin-bottom: 4px; }
.summary-card-value { font-size: 1.4rem; font-weight: 800; color: var(--blue-deep); line-height: 1.2; }
.summary-card-sub   { font-size: 0.68rem; color: var(--text-light); margin-top: 3px; }

/* ─── 関連ページグリッド ─── */
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px;
}

/* ─── レスポンシブ（詳細ページ） ─── */
@media (max-width: 640px) {
  .page-hero    { padding: 28px 16px 36px; }
  .page-content { padding: 32px 16px 60px; }
  .table-wrap thead th, .table-wrap td { padding: 10px 12px; }
}

/* ================================================================
   レスポンシブ
================================================================ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--blue-deep);
    box-shadow: 0 8px 16px rgba(0,0,0,0.25);
    padding: 8px 0;
  }
  nav.is-open {
    display: flex;
  }
  nav a {
    padding: 14px 24px;
    border-radius: 0;
    font-size: 0.9rem;
  }

  .hero-stats {
    gap: 16px;
  }

  .toc-section {
    padding: 24px 20px;
  }
}