:root {
  --cream-bg: #FBF3E7;
  --cream-card: #FFFAF0;
  --cream-deep: #F5E9D3;
  --terracotta: #C9663F;
  --terracotta-light: #E07A57;
  --terracotta-dark: #A04C2A;
  --text-dark: #3B2A1F;
  --text-mid: #6B5547;
  --text-light: #8B7568;
  --border: #E8D9C0;
  --shadow: 0 2px 12px rgba(180, 120, 80, 0.08);
  --shadow-hover: 0 4px 20px rgba(180, 120, 80, 0.16);
  --score-high: #5B8F4E;
  --score-mid: #C9663F;
  --score-low: #D49B3F;
  --score-critical: #B84C3A;
  --score-pending: #999;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--cream-bg);
  color: var(--text-dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.main-content { min-width: 0; }

/* ─── サイドバー ─── */
.sidebar {
  background: var(--cream-card);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  font-size: 13px;
}

.sidebar-brand {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--terracotta-dark);
  padding: 4px 8px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.sidebar-brand a { color: inherit; text-decoration: none; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 18px;
}

.nav-link {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-mid);
  text-decoration: none;
  font-weight: 500;
  font-size: 13px;
  transition: background 0.15s, color 0.15s;
}

.nav-link:hover { background: var(--cream-deep); color: var(--terracotta-dark); }

.nav-link.active {
  background: var(--terracotta);
  color: #FFFAF0;
}

.sidebar-filters {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.filter-search {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  margin-bottom: 12px;
  background: var(--cream-bg);
  font-family: inherit;
  color: var(--text-dark);
  box-sizing: border-box;
}

.filter-search:focus { outline: none; border-color: var(--terracotta); }

.filter-group { margin-bottom: 8px; }

.filter-group summary {
  cursor: pointer;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--terracotta-dark);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  list-style: none;
  user-select: none;
}

.filter-group summary::-webkit-details-marker { display: none; }

.filter-group summary::before {
  content: "▸";
  margin-right: 6px;
  transition: transform 0.15s;
  display: inline-block;
  font-size: 9px;
}

.filter-group[open] summary::before { transform: rotate(90deg); }

.filter-items {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 4px 4px 4px 14px;
}

.filter-check {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 6px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-mid);
  border-radius: 4px;
}

.filter-check:hover { background: var(--cream-bg); }

.filter-check input[type="checkbox"] { cursor: pointer; accent-color: var(--terracotta); }

.filter-count { margin-left: auto; color: var(--text-light); font-size: 11px; }

.filter-sort-wrap { margin-top: 10px; padding: 0 4px; }

.filter-sort-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--terracotta-dark);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
  padding: 0 4px;
}

.filter-sort {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--cream-bg);
  font-size: 12px;
  font-family: inherit;
  color: var(--text-dark);
  cursor: pointer;
}

.filter-reset {
  width: 100%;
  margin-top: 10px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-mid);
  cursor: pointer;
  font-family: inherit;
}

.filter-reset:hover { background: var(--cream-deep); color: var(--terracotta-dark); }

.sl-section { margin-bottom: 12px; }

.sl-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-light);
  text-transform: uppercase;
  padding: 4px 8px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0;
}

.section-count { font-weight: 500; font-size: 10px; color: var(--text-light); }

.sl-section-items { display: flex; flex-direction: column; gap: 1px; }

.sl-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--text-mid);
  text-decoration: none;
  font-size: 12px;
  transition: background 0.15s, color 0.15s;
}

.sl-link:hover { background: var(--cream-deep); color: var(--text-dark); }

.sl-link[aria-current="page"] {
  background: var(--cream-deep);
  color: var(--terracotta-dark);
  font-weight: 600;
}

.sl-info { flex: 1; display: flex; align-items: center; gap: 5px; min-width: 0; }

.sl-char { font-weight: 500; }

.sl-channel {
  font-size: 9px;
  padding: 1px 5px;
  background: var(--cream-bg);
  border-radius: 3px;
  color: var(--text-light);
  letter-spacing: 0.04em;
}

.sl-link[aria-current="page"] .sl-channel { background: var(--cream-card); }

.sl-score-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--cream-bg);
  min-width: 26px;
  text-align: center;
}

.sl-score-badge.score-high { color: var(--score-high); }
.sl-score-badge.score-mid { color: var(--score-mid); }
.sl-score-badge.score-low { color: var(--score-low); }
.sl-score-badge.score-critical { color: var(--score-critical); }
.sl-score-badge.score-pending { color: var(--score-pending); }

.sl-empty {
  padding: 14px 8px;
  text-align: center;
  color: var(--text-light);
  font-size: 12px;
}

.hero {
  background: linear-gradient(135deg, #F5E9D3 0%, #FBF3E7 100%);
  border-bottom: 2px solid var(--border);
  padding: 48px 24px 56px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta);
  font-weight: 600;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 32px;
  color: var(--text-dark);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.hero-sub {
  color: var(--text-mid);
  font-size: 16px;
  margin-bottom: 24px;
}

.stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-label { font-size: 12px; color: var(--text-light); letter-spacing: 0.04em; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--terracotta-dark); }

.last-update { font-size: 13px; color: var(--text-light); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.card {
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card-summary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 8px;
}

.card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text-mid);
}

.char { font-weight: 600; color: var(--terracotta-dark); }

.channel {
  padding: 2px 8px;
  background: var(--cream-deep);
  border-radius: 4px;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.chip-active { background: rgba(91, 143, 78, 0.12); color: var(--score-high); }
.chip-pending { background: var(--cream-deep); color: var(--text-mid); }
.chip-low-pv { background: rgba(212, 155, 63, 0.15); color: var(--score-low); }

.card-title {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.score-block {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}

.score-value { font-size: 42px; font-weight: 700; line-height: 1; }
.score-high .score-value { color: var(--score-high); }
.score-mid .score-value { color: var(--score-mid); }
.score-low .score-value { color: var(--score-low); }
.score-critical .score-value { color: var(--score-critical); }
.score-pending .score-value { color: var(--score-pending); }

.score-label { font-size: 16px; color: var(--text-light); }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.metric { display: flex; flex-direction: column; gap: 2px; }
.m-label { font-size: 11px; color: var(--text-light); letter-spacing: 0.03em; }
.m-value { font-size: 15px; font-weight: 600; color: var(--text-dark); }

/* 詳細ページ */
.hero-detail { padding: 32px 24px 40px; }

.back-link {
  display: inline-block;
  color: var(--terracotta);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 16px;
  font-weight: 500;
}

.back-link:hover { color: var(--terracotta-dark); }

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.detail-title-block { flex: 1; min-width: 0; }
.detail-title-block .chip { margin-bottom: 8px; }
.detail-title-block h1 { font-size: 26px; color: var(--text-dark); }

.detail-score {
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 24px;
  box-shadow: var(--shadow);
  margin-bottom: 0;
}

.card-detail { padding: 32px 36px; }
.card-detail h1 { display: none; }

.card-detail h2 {
  font-size: 20px;
  color: var(--terracotta-dark);
  margin-top: 32px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--cream-deep);
}

.card-detail h2:first-child { margin-top: 0; }

.card-detail p { margin-bottom: 14px; color: var(--text-mid); }
.card-detail strong { color: var(--text-dark); }

.card-detail ul, .card-detail ol {
  margin: 12px 0 16px;
  padding-left: 24px;
}

.card-detail li { margin-bottom: 8px; color: var(--text-mid); }
.card-detail li strong { color: var(--terracotta-dark); }

.card-detail a { color: var(--terracotta); text-decoration: none; border-bottom: 1px dashed var(--terracotta-light); }
.card-detail a:hover { color: var(--terracotta-dark); }

.card-detail table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 14px;
}

.card-detail th, .card-detail td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.card-detail th {
  background: var(--cream-deep);
  color: var(--text-dark);
  font-weight: 600;
}

.card-detail td:first-child { color: var(--text-dark); font-weight: 500; }

.card-detail blockquote {
  background: rgba(212, 155, 63, 0.08);
  border-left: 3px solid var(--score-low);
  padding: 14px 18px;
  margin: 16px 0;
  border-radius: 4px;
  color: var(--text-dark);
  font-size: 14px;
  line-height: 1.7;
}

.footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
}

.footer a { color: var(--terracotta); text-decoration: none; }
.footer code {
  background: var(--cream-deep);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--text-mid);
}

/* インデックスからのCTA */
.hero-actions {
  margin-top: 20px;
  margin-bottom: 16px;
}

.btn-primary {
  display: inline-block;
  background: var(--terracotta);
  color: #FFFAF0;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--terracotta-dark);
  transform: translateY(-1px);
}

/* 比較ページ: セレクター */
.selector-panel {
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.selector-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.selector-head h2 {
  font-size: 16px;
  color: var(--terracotta-dark);
  margin: 0;
}

.selector-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.selector-actions button {
  background: var(--cream-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-mid);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}

.selector-actions button:hover {
  background: var(--cream-deep);
  color: var(--terracotta-dark);
}

.selector-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}

.selector-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--cream-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.selector-item:hover {
  background: var(--cream-deep);
  border-color: var(--terracotta-light);
}

.selector-item input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--terracotta);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.selector-char {
  font-weight: 600;
  color: var(--terracotta-dark);
  font-size: 13px;
  min-width: 44px;
}

.selector-channel {
  padding: 1px 6px;
  background: var(--cream-deep);
  border-radius: 3px;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-mid);
}

.selector-name {
  font-size: 13px;
  color: var(--text-mid);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selector-score {
  font-weight: 700;
  font-size: 14px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--cream-card);
  min-width: 36px;
  text-align: center;
}

.selector-score.score-high { color: var(--score-high); }
.selector-score.score-mid { color: var(--score-mid); }
.selector-score.score-low { color: var(--score-low); }
.selector-score.score-critical { color: var(--score-critical); }
.selector-score.score-pending { color: var(--score-pending); }

/* 比較ページ: 表 */
.compare-meta {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.compare-view {
  margin-bottom: 32px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  background: var(--cream-card);
  border: 1px dashed var(--border);
  border-radius: 12px;
  font-size: 14px;
}

.compare-table-wrap {
  overflow-x: auto;
  background: var(--cream-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table thead th {
  background: var(--cream-deep);
  color: var(--text-dark);
  font-weight: 600;
  vertical-align: top;
}

.compare-table .metric-col {
  background: var(--cream-deep);
  color: var(--text-dark);
  font-weight: 500;
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 130px;
  white-space: nowrap;
}

.compare-table thead .metric-col {
  z-index: 3;
}

.sl-col {
  min-width: 180px;
}

.sl-col-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sl-col-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sl-col-char {
  font-weight: 600;
  color: var(--terracotta-dark);
  font-size: 13px;
}

.sl-col-channel {
  padding: 1px 6px;
  background: var(--cream-bg);
  border-radius: 3px;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--text-mid);
}

.sl-col-name {
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
}

.sl-col-link {
  font-size: 12px;
  color: var(--terracotta);
  text-decoration: none;
  margin-top: 2px;
  display: inline-block;
}

.sl-col-link:hover {
  color: var(--terracotta-dark);
  text-decoration: underline;
}

.sl-cell {
  font-size: 14px;
  color: var(--text-mid);
  white-space: nowrap;
}

.score-cell {
  font-size: 22px;
  font-weight: 700;
}

.score-cell.score-high { color: var(--score-high); }
.score-cell.score-mid { color: var(--score-mid); }
.score-cell.score-low { color: var(--score-low); }
.score-cell.score-critical { color: var(--score-critical); }
.score-cell.score-pending { color: var(--score-pending); }

.section-divider td {
  background: var(--cream-bg);
  font-weight: 600;
  color: var(--terracotta-dark);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 16px;
  border-bottom: 2px solid var(--border);
}

@media (max-width: 900px) {
  body { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    max-height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 600px) {
  .hero { padding: 32px 18px 40px; }
  .hero h1 { font-size: 24px; }
  .stats { gap: 20px; }
  .stat-value { font-size: 20px; }
  .container { padding: 24px 16px 48px; }
  .card { padding: 18px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .detail-header { flex-direction: column; align-items: flex-start; }
  .detail-score { width: 100%; }
  .card-detail { padding: 24px 20px; }
  .card-detail h2 { font-size: 18px; }
}