/* ===================================================================
   すてる手帖 — style.css
   依存ゼロ（Webフォント・CDN参照なし）。日本語の改行設計を土台に置く。
   =================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --color-bg: #f6f7f5;
  --color-surface: #ffffff;
  --color-border: #dde2dc;
  --color-text: #1f2622;
  --color-text-muted: #5c6862;
  --color-primary: #16624a;
  --color-primary-dark: #0f4b38;
  --color-primary-soft: #e6f2ed;
  --color-accent: #1a5fa8;
  --color-warning-bg: #fff8e8;
  --color-warning-border: #e8c576;
  --color-warning-text: #6a4e10;
  --color-expired-bg: #fdf0ee;
  --color-expired-border: #e0a79c;
  --color-expired-text: #8a3524;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-card: 0 2px 10px rgba(25, 40, 32, 0.06);
  --font-system: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo,
    system-ui, sans-serif;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-system);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;

  /* ===== 日本語改行ベース ===== */
  word-break: auto-phrase;
  overflow-wrap: break-word;
  line-break: strict;
}

h1, h2, h3 {
  text-wrap: balance;
}

/* 文節の途中で折り返さないための箱。見出しは <br> を使わずこれで括る */
.nb {
  display: inline-block;
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent);
}

a:hover {
  color: var(--color-primary-dark);
}

/* ---------- レイアウト共通 ---------- */
.container {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px;
}

main {
  padding-bottom: 8px;
}

/* ---------- ヘッダ ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  max-width: 980px;
  margin: 0 auto;
}

.site-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.88rem;
}

.site-nav a:hover {
  color: var(--color-primary-dark);
}

/* ---------- モバイルナビの開閉ボタン ---------- */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 9px 8px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

/* ---------- パンくず ---------- */
.breadcrumb {
  padding: 10px 0 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
}

.breadcrumb li + li::before {
  content: "›";
  margin-right: 8px;
  color: var(--color-border);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

/* ---------- ヒーロー ---------- */
.hero {
  padding: 28px 0 16px;
}

.hero h1 {
  font-size: 1.65rem;
  margin: 0 0 10px;
  line-height: 1.5;
}

.hero p.lead {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  margin: 0;
}

/* ---------- カード ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  font-size: 1.15rem;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary-soft);
}

.card h3 {
  font-size: 1rem;
  margin: 20px 0 8px;
}

.card p {
  margin: 0 0 12px;
}

.card p:last-child {
  margin-bottom: 0;
}

/* ---------- 表（必ず .table-scroll で包む） ---------- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 480px;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.data-table thead th {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table td.num,
.data-table th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.data-table td.permit-no {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.data-table tr.axis-excluded td {
  color: var(--color-text-muted);
  background: #fafbfa;
}

.table-legend {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 0 0 4px;
}

/*
 * 品目フィルタで隠した行。<tr> はブラウザ既定の display: table-row が
 * [hidden] の display: none より優先されるため、明示的に打ち消す。
 */
.data-table tbody tr[hidden] {
  display: none;
}

/* ---------- バッジ ---------- */
.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  white-space: nowrap;
  margin-left: 6px;
}

.badge:first-child {
  margin-left: 0;
}

.badge-active {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  border: 1px solid #bcdccd;
}

.badge-expired {
  background: var(--color-expired-bg);
  color: var(--color-expired-text);
  border: 1px solid var(--color-expired-border);
}

.badge-yuryo {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border: 1px solid var(--color-warning-border);
}

.status-note {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ---------- 注記 ---------- */
.notice-box {
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin: 0 0 20px;
  font-size: 0.9rem;
  color: var(--color-warning-text);
}

.source-note {
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.field-help {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin: 4px 0 0;
}

/* ---------- フォーム ---------- */
.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="search"],
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.field textarea {
  resize: vertical;
}

.required {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-expired-text);
  background: var(--color-expired-bg);
  border: 1px solid var(--color-expired-border);
  border-radius: 4px;
}

.button-primary {
  display: inline-block;
  padding: 11px 28px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.button-primary:hover {
  background: var(--color-primary-dark);
}

.button-link {
  display: inline-block;
  padding: 9px 20px;
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
  border: 1px solid #bcdccd;
  border-radius: var(--radius-md);
  text-decoration: none;
}

.button-link:hover {
  background: #d7ebe1;
  color: var(--color-primary-dark);
}

/* ---------- 絞り込み ---------- */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.filter-row select {
  padding: 7px 10px;
  font-family: inherit;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
}

.filter-fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin: 0 0 14px;
}

.filter-fieldset legend {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0 6px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  cursor: pointer;
}

.chip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-static {
  padding: 4px 12px;
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
}

.search-status {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 8px 0;
}

/* ---------- リンク一覧 ---------- */
.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.link-list li {
  padding-left: 18px;
  position: relative;
  /* grid の子は min-width:auto が既定のため、word-break:auto-phrase で
     折り返せない長い語句（法令名など）があると 375px で横にはみ出す。0 にして親幅で折り返す */
  min-width: 0;
}

.link-list li::before {
  content: "›";
  position: absolute;
  left: 4px;
  color: var(--color-primary);
}

/* ---------- スコア ---------- */
.score-value {
  font-size: 1.15rem;
}

.score-value strong {
  color: var(--color-primary-dark);
  font-size: 1.4rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- PR枠（掲載課金契約があるときのみ描画される） ---------- */
.pr-block {
  border-color: var(--color-warning-border);
}

.pr-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pr-item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pr-badge {
  padding: 1px 9px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-warning-text);
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: 4px;
}

.pr-city {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- データについて ---------- */
.data-about {
  background: #fbfcfb;
}

.data-source {
  display: grid;
  grid-template-columns: 6em 1fr;
  gap: 4px 12px;
  margin: 0 0 14px;
  font-size: 0.88rem;
}

.data-source dt {
  color: var(--color-text-muted);
  font-weight: 600;
}

.data-source dd {
  margin: 0;
}

.data-note {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

/* ---------- チェッカーの結果 ---------- */
.checker-result {
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin: 16px 0 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.checker-result h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.checker-result p {
  margin: 0 0 8px;
  font-size: 0.92rem;
}

.checker-result p:last-child {
  margin-bottom: 0;
}

.checker-result.is-valid {
  background: var(--color-primary-soft);
  border-color: #bcdccd;
}

.checker-result.is-expired {
  background: var(--color-expired-bg);
  border-color: var(--color-expired-border);
}

.checker-result.is-notfound,
.checker-result.is-uncovered,
.checker-result.is-invalid {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
}

.checker-detail {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 3px 12px;
  font-size: 0.88rem;
  margin: 10px 0 0;
}

.checker-detail dt {
  color: var(--color-text-muted);
  font-weight: 600;
}

.checker-detail dd {
  margin: 0;
}

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 4px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  cursor: pointer;
  padding: 10px 28px 10px 0;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 10px;
  color: var(--color-primary);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0 0 12px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* ---------- about/policy/terms 本文 ---------- */
.about-body h3 {
  color: var(--color-primary-dark);
}

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
  padding: 24px 0 40px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  background: var(--color-surface);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 12px;
}

.site-footer a {
  color: var(--color-text-muted);
}

.footer-copy {
  margin: 0;
}

/* ---------- 解説記事 /guide/ ---------- */
.article-meta {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.article-audience {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-size: 0.8rem;
}

.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 20px;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.toc li {
  padding-left: 16px;
  position: relative;
  font-size: 0.92rem;
}

.toc li::before {
  content: "›";
  position: absolute;
  left: 2px;
  color: var(--color-primary);
}

.card blockquote {
  margin: 0 0 16px;
  padding: 10px 0 10px 16px;
  border-left: 3px solid var(--color-primary-soft);
  color: var(--color-text-muted);
}

.card blockquote p {
  margin: 0 0 8px;
}

.card blockquote footer {
  font-size: 0.85rem;
}

.card blockquote cite {
  font-style: normal;
}

.card ol,
.card ul {
  margin: 0 0 14px;
  padding-left: 1.4em;
}

.card ol li,
.card ul li {
  margin-bottom: 6px;
}

.card ul.link-list {
  padding-left: 0;
}

.guide-index li {
  display: grid;
  gap: 2px;
  margin-bottom: 12px;
}

.guide-index__desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.guide-index__date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.city-index li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}

.city-index__type {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- レスポンシブ: PC（1280px想定） ---------- */
@media (min-width: 900px) {
  .hero h1 {
    font-size: 1.9rem;
  }

  .card {
    padding: 24px 28px;
  }
}

/* ---------- モバイル（375px想定） ---------- */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    padding-top: 8px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 11px 4px;
    border-top: 1px solid var(--color-border);
    font-size: 0.95rem;
  }

  .site-header__inner {
    flex-wrap: wrap;
  }

  .hero h1 {
    font-size: 1.4rem;
  }

  .card {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .data-source,
  .checker-detail {
    grid-template-columns: 1fr;
    gap: 0 0;
  }

  .data-source dd,
  .checker-detail dd {
    margin-bottom: 8px;
  }
}