@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* 可読幅と行間の最適化（長文対策） */
.basics .law-section p,
.basics .law-section ul,
.basics .law-section dl {
  max-width: 70ch;           /* 1行の読み幅を制限 */
  line-height: 1.9;
  margin-block: 0.8rem;
}

/* 小見出しの一貫性 */
.basics .law-section .subheading {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
  border-left: 4px solid var(--accent, #3a7);
  padding-left: 0.6rem;
}

/* 箇条書き：行頭記号と余白の統一 */
.basics .law-section .dash-list {
  list-style: "—  ";
  padding-left: 1.2rem;
}
.basics .law-section .dash-list li { margin: 0.2rem 0; }

/* 定義リスト（試験一覧） */
.basics .law-section .test-list dt {
  font-weight: 600;
  margin-top: 0.8rem;
}
.basics .law-section .test-list dd {
  margin-left: 0.8rem;
}

/* 例示の視認性 */
.basics .law-section .example {
  font-style: italic;
  opacity: 0.9;
}

/* コールアウトの微調整（既存の見た目に追従） */
.callout.definition {
  max-width: 70ch;
}


/* ===== 危険等級テーブル：ストライプ無効化＆グループ強調 ===== */

/* 既存ストライプを打ち消し */
.styled-table.hazard-grade.map tbody tr:nth-child(odd) td,
.styled-table.hazard-grade.map tbody tr:nth-child(odd) th.grade {
  background: transparent !important;
}

/* 基本背景は白でフラットに */
.styled-table.hazard-grade.map tbody th,
.styled-table.hazard-grade.map tbody td {
  background: #fff;
}

/* 類別セル（rowgroup見出し）のデザイン：淡い背景＋左帯 */
.styled-table.hazard-grade.map th.class-tag {
  position: relative;
  background: #f7f9fc;               /* ごく淡いグレー */
  border-right: 1px solid var(--border, #e5e7eb);
}

/* 左帯（色はカテゴリごとに少し変える） */
.styled-table.hazard-grade.map th.class-tag::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: #c7d8f6;               /* デフォルト帯色（第1類） */
  border-radius: 4px 0 0 4px;
}

/* カテゴリ別の帯色（控えめのパステル） */
.styled-table.hazard-grade.map th.class-tag:has(.category-1)::before { background: #c7d8f6; } /* 青 */
.styled-table.hazard-grade.map th.class-tag:has(.category-2)::before { background: #f8d9b6; } /* 橙 */
.styled-table.hazard-grade.map th.class-tag:has(.category-3)::before { background: #cdeedb; } /* 緑 */
.styled-table.hazard-grade.map th.class-tag:has(.category-4)::before { background: #fbd0d8; } /* 桃 */
.styled-table.hazard-grade.map th.class-tag:has(.category-5)::before { background: #d9cff9; } /* 紫 */
.styled-table.hazard-grade.map th.class-tag:has(.category-6)::before { background: #dcdcdc; } /* 灰 */

/* Safari等で :has() 非対応の場合に備えて、タグ色で擬似帯を補助 */
.tag.category-1 { background: #e9f2ff; }
.tag.category-2 { background: #fff4e5; }
.tag.category-3 { background: #eafbf0; }
.tag.category-4 { background: #ffeef1; }
.tag.category-5 { background: #efeaff; }
.tag.category-6 { background: #f4f4f4; }

/* グループ間の区切り（第○類が変わる境目だけ上ボーダーを太く） */
.styled-table.hazard-grade.map th.class-tag[rowspan] {
  border-top: 3px solid var(--border-strong, #d1d5db);
}

/* 等級列の視認性（中央寄せ・字間） */
.styled-table.hazard-grade.map .grade {
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* スペーシング微調整 */
.styled-table.hazard-grade.map th,
.styled-table.hazard-grade.map td {
  padding: 0.72rem 0.85rem;
}

/* モバイル：読みやすく余白を少し広げる */
@media (max-width: 720px) {
  .styled-table.hazard-grade.map th,
  .styled-table.hazard-grade.map td {
    padding: 0.78rem 0.85rem;
  }
}


/* ===== 積載方法：読みやすさ強化（原則／例外レイアウト） ===== */
.rules-list {
  counter-reset: rule;
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding-left: 0; /* 既定のolインデントを消す */
}

.rule-item {
  list-style: none;
  background: #fff;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 12px;
  padding: 1rem 1rem 0.9rem;
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
}

.rule-item .rule-title {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: clamp(1.02rem, 1.3vw, 1.08rem);
  margin: 0 0 0.3rem 0;
  line-height: 1.5;
}

.rule-item .rule-body {
  margin: 0.2rem 0 0.6rem;
  line-height: 1.9;
  max-width: 70ch;
}

.rule-exception {
  background: #f8fafc;
  border: 1px dashed var(--border, #e5e7eb);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  margin: 0.4rem 0 0.2rem;
}
.rule-exception > p { margin: 0; }
.rule-exception ul { margin: 0.2rem 0 0 1.1rem; }

/* バッジ */
.badge {
  display: inline-block;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  line-height: 1;
}
.badge-principle { background: #e8f3ff; color: #0b5cab; }
.badge-exception { background: #fff3d9; color: #8a5a00; }
.badge-prohibit  { background: #ffe8ea; color: #a0162b; }

/* モバイル微調整 */
@media (max-width: 720px) {
  .rule-item { padding: 0.9rem 0.9rem 0.85rem; }
  .rule-exception { padding: 0.6rem 0.7rem; }
}


/*＊＊＊＊＊＊＊＊ ===== 注意事項テーブル（改行排除・行分割） ===== */
.styled-table.caution-map { table-layout: fixed; width: 100%; border-collapse: collapse; }
.styled-table.caution-map th,
.styled-table.caution-map td { padding: 0.72rem 0.85rem; vertical-align: top; word-break: break-word; }
.styled-table.caution-map thead th { position: sticky; top: 0; background: var(--surface, #fff); z-index: 2; }

/* 幅（PC基準） */
.styled-table.caution-map .w-class { width: 16rem; }
.styled-table.caution-map .w-name  { width: 24rem; }
@media (max-width: 900px) {
  .styled-table.caution-map .w-class { width: 12rem; }
  .styled-table.caution-map .w-name  { width: 18rem; }
}

/* 類別セルのグループ感（左帯＋淡背景） */
.styled-table.caution-map .class-tag { position: relative; background: #f7f9fc; border-right: 1px solid var(--border, #e5e7eb); text-align: center; }
.styled-table.caution-map .class-tag::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: #c7d8f6; border-radius: 4px 0 0 4px; }
.styled-table.caution-map .class-tag:has(.category-1)::before { background:#c7d8f6; }
.styled-table.caution-map .class-tag:has(.category-2)::before { background:#f8d9b6; }
.styled-table.caution-map .class-tag:has(.category-3)::before { background:#cdeedb; }
.styled-table.caution-map .class-tag:has(.category-4)::before { background:#fbd0d8; }
.styled-table.caution-map .class-tag:has(.category-5)::before { background:#d9cff9; }
.styled-table.caution-map .class-tag:has(.category-6)::before { background:#dcdcdc; }

/* 品名セルをやや強調 */
.styled-table.caution-map .name { font-weight: 600; }

/* 注意バッジ（地味めの色） */
.chip { display: inline-block; padding: .22rem .5rem; margin: .1rem .25rem .1rem 0; border-radius: 999px; font-size: .9rem; line-height: 1.15; background: #eef1f4; white-space: nowrap; }
.chip-fire    { background: #ffe8e8; }  /* 火気注意／火気・衝撃注意 */
.chip-water   { background: #e8f2ff; }  /* 禁水 */
.chip-contact { background: #fff5d9; }  /* 可燃物接触注意 */
.chip-air     { background: #e7f6ee; }  /* 空気接触厳禁 */
.chip-strict  { background: #ffd9df; }  /* 火気厳禁 */
.chip-shock   { background: #f2e8ff; }  /* 衝撃注意 */

/* 注記 */
.rule-card .note { margin-top: .6rem; max-width: 70ch; }
.rule-card .note p { line-height: 1.85; }

/* ===== 混載マトリクス：視認性＆対称表現 ===== */
.compat-matrix {
  table-layout: fixed;
  width: 100%;
  border-collapse: collapse;
}
.compat-matrix thead th {
  position: sticky; top: 0;
  background: var(--surface, #fff); z-index: 2;
}
.compat-matrix th,
.compat-matrix td {
  padding: 0.65rem 0.7rem;
  text-align: center;
  vertical-align: middle;
  word-break: break-word;
}
.compat-matrix .w-head { width: 7.2rem; }
.compat-matrix .rowhead { text-align: left; }

/* セル状態 */
.compat-matrix td span { display: inline-block; min-width: 2.8rem; }
.compat-matrix td.ok span { background: #e8f6ea; color: #1c6f2a; border-radius: 999px; padding: 0.18rem 0.55rem; font-weight: 700; }
.compat-matrix td.ng span { background: #ffe6ea; color: #a0182b; border-radius: 999px; padding: 0.18rem 0.55rem; font-weight: 700; }
.compat-matrix td.self { color: #98a1ad; }

/* 行列の区切りと読みやすさ */
.compat-matrix tbody tr:nth-child(odd) td { background: color-mix(in oklab, #000 5%, var(--surface, #fff) 95%); }
.compat-matrix tbody tr td:nth-child(odd) { background: color-mix(in oklab, #000 3%, var(--surface, #fff) 97%); }
.compat-matrix .self { background: #fafafa; }

/* 凡例 */
.legend { margin: 0.6rem 0 0.2rem; line-height: 1.8; }
.legend .pill { display: inline-block; padding: 0.12rem 0.55rem; border-radius: 999px; font-weight: 700; }
.legend .ok { background: #e8f6ea; color: #1c6f2a; }
.legend .ng { background: #ffe6ea; color: #a0182b; }

/* モバイル最適化 */
@media (max-width: 720px) {
  .compat-matrix .w-head { width: 6.5rem; }
  .compat-matrix td span { min-width: 2.4rem; }
}

/* exam-notes の横幅は枠で管理、内側のULは全幅を使う */
.exam-notes{
  max-width: 78ch;           /* お好みで 74–82ch 程度に */
  margin-inline: 0;          /* 既存の流れに合わせる */
}

.exam-notes ul,
.exam-notes p{
  max-width: none !important; /* 以前の .law-section ul/p の 70ch 制限を上書き */
}

/* タイトルと行間の微調整（任意） */
.exam-notes h3{ margin: 0 0 .5rem; }
.exam-notes ul.compact{ line-height: 1.9; }