:root {
  --c-primary: #1a5fa8;
  --c-primary-dark: #124577;
  --c-bg: #f4f6f9;
  --c-card: #ffffff;
  --c-text: #222;
  --c-muted: #667;
  --c-border: #d8dee6;
  --c-alert: #c0392b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
}

.site-header {
  background: var(--c-primary);
  color: #fff;
  padding: 0.6rem 1rem;
}
.site-title { margin: 0; font-size: 1.2rem; }
.site-title .beta {
  font-size: 0.65rem;
  background: #fff;
  color: var(--c-primary);
  border-radius: 3px;
  padding: 0.1em 0.5em;
  margin-left: 0.6em;
  vertical-align: middle;
}

.tab-nav {
  display: flex;
  overflow-x: auto;
  background: var(--c-primary-dark);
  -webkit-overflow-scrolling: touch;
}
.tab-nav a {
  flex: 0 0 auto;
  color: #cfe0f2;
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}
.tab-nav a.active {
  color: #fff;
  font-weight: 700;
  border-bottom-color: #ffb703;
}
.tab-nav a.tab-star { color: #ffd54f; font-weight: 700; }
.tab-nav a.tab-star.active { color: #ffe082; }

main { max-width: 960px; margin: 0 auto; padding: 0.8rem; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel h2 { font-size: 1.05rem; border-left: 4px solid var(--c-primary); padding-left: 0.5em; }

.card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin-bottom: 0.9rem;
}
.card h3 { margin-top: 0; font-size: 0.95rem; color: var(--c-primary-dark); }

.link-list { list-style: none; margin: 0; padding: 0; }
.link-list li { border-bottom: 1px solid var(--c-border); }
.link-list li:last-child { border-bottom: none; }
.link-list a {
  display: block;
  padding: 0.55rem 0.2rem;
  color: var(--c-primary);
  text-decoration: none;
}
.link-list a:hover { text-decoration: underline; }
.link-list .link-desc { font-size: 0.78rem; color: var(--c-muted); display: block; }

#citySearch {
  width: 100%;
  padding: 0.55rem;
  font-size: 1rem;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  margin-bottom: 0.7rem;
}
.city-item { padding: 0.5rem 0.2rem; border-bottom: 1px solid var(--c-border); }
.city-item .pref { font-size: 0.75rem; color: var(--c-muted); margin-right: 0.5em; }
.city-item a { margin-right: 1em; font-size: 0.85rem; color: var(--c-primary); }

.notice-item { padding: 0.5rem 0; border-bottom: 1px solid var(--c-border); }
.notice-item time { font-size: 0.75rem; color: var(--c-muted); display: block; }

.x-embeds { display: flex; flex-direction: column; gap: 1rem; }
.x-embed-item { border-bottom: 1px solid var(--c-border); padding-bottom: 0.9rem; }
.x-embed-item:last-child { border-bottom: none; padding-bottom: 0; }
.x-embed-caption { margin: 0 0 0.4rem; font-weight: 700; font-size: 0.9rem; }
.x-embed-caption .link-desc { font-weight: 400; }
.x-embed-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.x-embed-x-link,
.x-embed-official-link {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  color: var(--c-primary);
  border: 1px solid var(--c-border);
  border-radius: 6px;
}

.settings-desc { font-size: 0.8rem; color: var(--c-muted); margin: 0 0 0.6rem; }
.settings-field { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-bottom: 0.7rem; }
.settings-field:last-child { margin-bottom: 0; }
.settings-label { flex: 0 0 4.5em; font-weight: 700; font-size: 0.85rem; }
.settings-select {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.5rem;
  font-size: 0.9rem;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: #fff;
}
.settings-lines { display: flex; flex-direction: column; gap: 0.8rem; }
.settings-line-group h4 { margin: 0 0 0.35rem; font-size: 0.85rem; color: var(--c-primary-dark); }
.settings-line-group .settings-checkbox-list { display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; }
.settings-checkbox-item { display: flex; align-items: center; gap: 0.35em; font-size: 0.85rem; }
.settings-checkbox-item input { margin: 0; }
.settings-shortcuts-edit { display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; }
.settings-btn {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  border: 1px solid var(--c-alert);
  color: var(--c-alert);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
}
.settings-btn:hover { background: #fdecea; }
.settings-status { margin-left: 0.8rem; font-size: 0.8rem; color: var(--c-primary-dark); }
.settings-shortcuts { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.settings-shortcuts a {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
  color: #fff;
  background: var(--c-primary);
  border-radius: 999px;
  text-decoration: none;
}
.settings-shortcuts a:hover { background: var(--c-primary-dark); }

/* ---------- 帰れる？ビュー(帰宅困難判断) ---------- */
:root {
  --c-ok: #2e7d32;
  --c-caution: #b26a00;
  --c-warning: #c0392b;
  --c-unknown: #667;
  --c-na: #aab4c0;
}
.kv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.kv-updated { font-size: 0.78rem; color: var(--c-muted); }
.kv-setup-badge {
  font-size: 0.78rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  background: #eef1f5;
  color: var(--c-text);
  cursor: pointer;
}
.kv-setup-badge-full { border-color: var(--c-ok); color: var(--c-ok); background: #eaf5ea; }
.kv-setup-badge-partial { border-color: var(--c-primary); color: var(--c-primary-dark); background: #e8f0fb; }
.kv-setup-badge-sample { border-color: var(--c-caution); color: var(--c-caution); background: #fff4e2; }
.kv-sample-note {
  font-size: 0.8rem;
  background: #fff4e2;
  border: 1px solid var(--c-caution);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  margin: 0 0 0.7rem;
}
.kv-grid { display: block; }
.kv-col:first-child { margin-bottom: 0; }
.kv-overall-label { font-size: 1.4rem; font-weight: 700; margin: 0 0 0.3rem; }
.kv-overall-sub { font-size: 0.85rem; color: var(--c-muted); margin: 0 0 0.8rem; }
.kv-overall-ok .kv-overall-label { color: var(--c-ok); }
.kv-overall-caution .kv-overall-label { color: var(--c-caution); }
.kv-overall-warning .kv-overall-label { color: var(--c-warning); }
.kv-overall-unknown .kv-overall-label { color: var(--c-unknown); }
.kv-signals { display: flex; gap: 0.5rem; }
.kv-signal {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.5rem 0.2rem;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 0.78rem;
  text-align: center;
}
.kv-signal-dot { width: 0.8em; height: 0.8em; border-radius: 50%; background: var(--c-unknown); }
.kv-signal-ok .kv-signal-dot { background: var(--c-ok); }
.kv-signal-caution .kv-signal-dot { background: var(--c-caution); }
.kv-signal-warning .kv-signal-dot { background: var(--c-warning); }
.kv-signal-unknown .kv-signal-dot { background: var(--c-unknown); }
.kv-signal-na .kv-signal-dot { background: var(--c-na); }
.kv-signal-label { font-weight: 700; }
.kv-signal-state { color: var(--c-muted); }
.kv-allok-btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 0.7rem;
}
.kv-allok-btn:hover { background: #e8f0fb; }
.kv-empty { font-size: 0.85rem; color: var(--c-muted); }
.kv-line-group { margin-bottom: 1rem; }
.kv-line-group:last-child { margin-bottom: 0; }
.kv-line-group h4 { margin: 0 0 0.3rem; font-size: 0.9rem; color: var(--c-primary-dark); }
.kv-line-links { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; margin-bottom: 0.2rem; }
.kv-line-links a { font-size: 0.82rem; color: var(--c-primary); }
.kv-line-note { font-size: 0.75rem; color: var(--c-muted); margin: 0.1rem 0 0.4rem; }
.kv-line-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.4rem 0;
  border-top: 1px solid var(--c-border);
}
.kv-line-name { font-size: 0.88rem; }
.kv-selfcheck { display: flex; gap: 0.3rem; }
.kv-selfcheck-btn {
  font-size: 0.76rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--c-border);
  background: #fff;
  border-radius: 999px;
  cursor: pointer;
  color: var(--c-text);
}
.kv-selfcheck-btn.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.kv-note { font-size: 0.78rem; color: var(--c-muted); }
.kv-weather-item { padding: 0.5rem 0; border-top: 1px solid var(--c-border); }
.kv-weather-item:first-child { border-top: none; padding-top: 0; }
.kv-weather-item h4 { margin: 0 0 0.3rem; font-size: 0.88rem; color: var(--c-primary-dark); }
.kv-weather-status { font-size: 0.85rem; margin: 0 0 0.4rem; }
.kv-weather-items { font-size: 0.85rem; margin: 0 0 0.4rem; padding-left: 1.2em; }
.kv-weather-items li { margin: 0 0 0.15rem; }
.kv-weather-item-strong { font-weight: 700; color: var(--c-warning); }
.kv-weather-links { display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem; }
.kv-weather-links a { font-size: 0.8rem; color: var(--c-primary); }
.kv-link-group { margin-bottom: 0.8rem; }
.kv-link-group:last-child { margin-bottom: 0; }
.kv-link-group h4 { margin: 0 0 0.2rem; font-size: 0.85rem; color: var(--c-primary-dark); }

.kv-walk p { font-size: 0.85rem; margin: 0 0 0.5rem; }
.kv-walk-distance { font-weight: 700; }
.kv-walk-category { color: var(--c-muted); font-size: 0.8rem; }
.kv-walk-notice { color: var(--c-muted); font-size: 0.78rem; }
.kv-walk a { display: inline-block; font-size: 0.82rem; color: var(--c-primary); margin: 0 0.8rem 0.6rem 0; }

@media (min-width: 900px) {
  .kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
}

/* ---------- 汎用レベルバッジ(トップ集約カード用。色はkv-signalと共通のCSS変数を流用) ---------- */
.level-badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  margin: 0 0 0.4rem;
}
.level-ok { border-color: var(--c-ok); color: var(--c-ok); background: #eaf5ea; }
.level-caution { border-color: var(--c-caution); color: var(--c-caution); background: #fff4e2; }
.level-warning { border-color: var(--c-warning); color: var(--c-warning); background: #fdecea; font-weight: 700; }
.level-unknown { border-color: var(--c-unknown); color: var(--c-unknown); background: #eef1f5; }
.level-na { border-color: var(--c-na); color: var(--c-na); background: #f4f6f9; }

/* ---------- 気象タブ(今日・明日の予報カード。kv-weather-itemの見た目を流用) ---------- */
.wx-days { font-size: 0.85rem; margin: 0 0 0.4rem; padding-left: 1.2em; }
.wx-days li { margin: 0 0 0.35rem; }
.wx-report-time { font-size: 0.75rem; color: var(--c-muted); margin: 0.3rem 0 0; }

/* ---------- 災害・警報タブ ---------- */
.alert-office { padding: 0.6rem 0; border-top: 1px solid var(--c-border); }
.alert-office:first-child { border-top: none; padding-top: 0; }
.alert-office-head { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.3rem; }
.alert-office-head h4 { margin: 0; font-size: 0.9rem; color: var(--c-primary-dark); }
.alert-office-empty { font-size: 0.85rem; color: var(--c-muted); margin: 0; }
.alert-items { font-size: 0.85rem; margin: 0; padding-left: 1.2em; }
.alert-items li { margin: 0 0 0.2rem; }
.alert-item-strong { font-weight: 700; color: var(--c-warning); }
.alert-stale { font-size: 0.72rem; color: var(--c-muted); }
.alert-quake-list { font-size: 0.85rem; margin: 0; padding-left: 1.2em; }
.alert-quake-list li { margin: 0 0 0.35rem; }

/* 警報レベルバッジ(none/advisory/warning/danger/emergency。level-badgeとは値の意味が異なるため別名) */
.wlvl-badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  background: #eef1f5;
  color: var(--c-muted);
}
.wlvl-advisory { border-color: var(--c-primary); color: var(--c-primary-dark); background: #e8f0fb; }
.wlvl-warning { border-color: var(--c-caution); color: var(--c-caution); background: #fff4e2; }
.wlvl-danger { border-color: var(--c-warning); color: var(--c-warning); background: #fdecea; font-weight: 700; }
.wlvl-emergency { border-color: var(--c-warning); color: #fff; background: var(--c-warning); font-weight: 700; }

/* ---------- トップ集約4カード(§6.4) ---------- */
.top-summary-grid { display: grid; grid-template-columns: 1fr; gap: 0.8rem; }
@media (min-width: 600px) {
  .top-summary-grid { grid-template-columns: 1fr 1fr; }
}
.top-card { margin-bottom: 0; }
.top-card h3 { margin: 0 0 0.4rem; }
.top-card-text { font-size: 0.85rem; margin: 0 0 0.5rem; }
.top-card-link { font-size: 0.82rem; color: var(--c-primary); }

.site-footer {
  background: #2b3440;
  color: #aab4c0;
  font-size: 0.72rem;
  padding: 1rem;
  margin-top: 2rem;
}
.site-footer p { max-width: 960px; margin: 0.3em auto; }

@media (min-width: 768px) {
  .site-title { font-size: 1.4rem; }
  .tab-nav a { font-size: 0.9rem; }
}
/* ---------- 防災動画(5-2) ---------- */
.video-filters { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: 0.5rem; }
.video-filter-label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.8rem; color: var(--c-muted); flex: 1 1 160px; }
.video-list { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
@media (min-width: 600px) {
  .video-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .video-list { grid-template-columns: 1fr 1fr 1fr; }
}
.video-item {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  overflow: hidden;
}
.video-thumb-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; }
.video-thumb-btn {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  position: relative;
}
.video-thumb { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2.4rem;
  height: 2.4rem;
  line-height: 2.4rem;
  text-align: center;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border-radius: 50%;
  font-size: 1rem;
}
.video-duration {
  position: absolute;
  right: 0.4rem;
  bottom: 0.4rem;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}
.video-embed { width: 100%; height: 100%; border: 0; display: block; }
.video-thumb-external { display: flex; align-items: center; justify-content: center; background: #eef1f5; }
.video-external-link {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  font-size: 0.82rem;
  color: var(--c-primary);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  background: #fff;
  text-decoration: none;
}
.video-meta { padding: 0.6rem 0.7rem; }
.video-series { margin: 0 0 0.15rem; font-size: 0.72rem; color: var(--c-muted); }
.video-title { margin: 0 0 0.25rem; font-size: 0.85rem; font-weight: 700; }
.video-sub { margin: 0; font-size: 0.75rem; color: var(--c-muted); }