/* modaru — スタイル（モバイルファースト。設計書デモ要件: スマホ即動作） */
:root {
  --green: #0a9d6e;
  --green-d: #077a55;
  --ink: #1c2b2b;
  --muted: #6b7c7c;
  --bg: #f4f7f6;
  --card: #ffffff;
  --orange: #e08b00;
  --bad: #c0392b;
  --line: #e2eae7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

/* ヘッダ */
.site-header {
  background: linear-gradient(120deg, var(--green), var(--green-d));
  color: #fff;
  padding: 14px 16px;
  text-align: center;
}
.brand { font-size: 26px; font-weight: 800; letter-spacing: .02em; }
.brand .tm { font-size: 13px; font-weight: 500; opacity: .85; margin-left: 6px; }
.catch { font-size: 14px; opacity: .95; margin-top: 2px; }

main { max-width: 720px; margin: 0 auto; padding: 16px; }
.lead { font-size: 15px; }
.lead-help { display: inline-block; font-size: 13px; color: var(--green-d); white-space: nowrap; }
.lead-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 4px 0 0; }
.lead-links .lead-help { background: #eef4f2; padding: 6px 12px; border-radius: 999px; text-decoration: none; }
.lead-links .lead-help:hover { background: #e2eee9; }
.note { font-size: 12px; color: var(--muted); }
.error { color: var(--bad); }

/* 地図 */
.map { height: 320px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.pick-bar { display: flex; gap: 10px; align-items: center; margin: 6px 2px; font-size: 13px; color: var(--muted); }
.pick-label { white-space: nowrap; }
.pick-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.pick-toggle button { border: none; background: #fff; color: var(--muted); font-size: 13px; padding: 6px 16px; cursor: pointer; }
.pick-toggle button + button { border-left: 1px solid var(--line); }
.pick-toggle button.on { background: var(--green); color: #fff; font-weight: 700; }

/* フォーム */
.form { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.field select, .field input {
  font-size: 16px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
  min-width: 0; /* グリッド内で最長オプション幅に引っ張られて溢れないように */
}
.field select { width: 100%; } /* selectは列幅いっぱいに（intrinsic幅で膨張させない）*/
.field-label { font-size: 13px; color: var(--muted); }

/* 発/着ブロック（地名検索＋駅ドロップダウン）*/
.od-block { display: flex; flex-direction: column; gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fbfdfc; }
.geo-row { display: flex; gap: 6px; }
.geo-row input { flex: 1; min-width: 0; }
.geo-btn { white-space: nowrap; background: #eef4f2; color: var(--green-d); border: 1px solid var(--line); border-radius: 8px; padding: 0 14px; font-size: 14px; font-weight: 600; }
.geo-btn:hover { background: #e2eee9; }
.geo-btn:disabled { opacity: .6; cursor: default; }
.geo-msg { font-size: 12px; min-height: 1em; }
.geo-msg.ok { color: var(--green-d); }
.geo-msg.err { color: var(--bad); }
.geo-msg.loading { color: var(--muted); }
button { font-family: inherit; cursor: pointer; }
.primary {
  background: var(--green); color: #fff; border: none; border-radius: 10px; padding: 12px 16px; font-size: 16px; font-weight: 700;
}
.primary:hover { background: var(--green-d); }
.primary.big { padding: 15px; font-size: 18px; }
.link { background: none; border: none; color: var(--green-d); font-size: 13px; padding: 4px; text-decoration: underline; }

/* 結果: ヒーロー */
.hero { border-radius: 14px; padding: 18px; margin: 8px 0 16px; color: #fff; }
.hero.good { background: linear-gradient(120deg, var(--green), var(--green-d)); }
.hero.bad { background: linear-gradient(120deg, #b06, #804); }
.hero-route { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.hero-route span { opacity: .8; }
.hero-main { display: flex; gap: 12px; }
.metric-big { flex: 1; background: rgba(255,255,255,.14); border-radius: 10px; padding: 12px; text-align: center; }
.mb-label { font-size: 12px; opacity: .9; }
.mb-val { font-size: 40px; font-weight: 800; line-height: 1.1; }
.mb-val span { font-size: 16px; font-weight: 600; }
.mb-sub { font-size: 12px; opacity: .9; }
.warn { margin-top: 12px; background: rgba(0,0,0,.18); border-radius: 8px; padding: 8px 10px; font-size: 13px; }

/* 比較テーブル */
.cmp { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.cmp th, .cmp td { padding: 11px 10px; text-align: center; border-bottom: 1px solid var(--line); font-size: 14px; }
.cmp thead th { background: #eef4f2; font-size: 13px; }
.cmp td:first-child, .cmp th:first-child { text-align: left; color: var(--muted); }
.cmp td.hi { color: var(--green-d); font-weight: 700; background: #f0faf6; }

/* プラン・前提・出典 */
.plan { background: var(--card); border-radius: 12px; padding: 14px; margin: 14px 0; }
.plan h3 { margin: 0 0 8px; font-size: 15px; }
.plan .plan-sum { font-size: 14px; margin: 0 0 12px; }
.plan select { font-size: 14px; padding: 4px; }
.ors-note { font-size: 12px; color: var(--muted); margin: 10px 0 0; }
.dray-info { font-size: 12px; color: var(--muted); margin: 10px 0 0; background: #f6f9f8; border-radius: 8px; padding: 8px 10px; }

/* 検索画面の日時ブロック（乗り換え案内風）*/
.dt-block { display: flex; flex-direction: column; gap: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fbfdfc; }
.dt-mode { display: flex; gap: 8px; }
.dt-mode button { flex: 1; padding: 9px; font-size: 14px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--muted); }
.dt-mode button.on { background: var(--green); color: #fff; border-color: var(--green); font-weight: 700; }
.dt-row { display: flex; gap: 6px; align-items: center; }
.dt-row input { font-size: 16px; padding: 9px; border: 1px solid var(--line); border-radius: 8px; }
.dt-row input[type=date] { flex: 1; min-width: 0; }
.dt-suffix { font-size: 13px; color: var(--muted); white-space: nowrap; }

/* 結果画面の日時読み取り表示 */
.sched { background: var(--card); border-radius: 12px; padding: 14px; margin: 14px 0; }
.sched h3 { margin: 0 0 8px; font-size: 15px; }
.sched-out { padding: 12px; background: #f0faf6; border-radius: 8px; font-size: 14px; line-height: 1.9; }
.sched-out .big { font-size: 18px; color: var(--green-d); }
.sched-warn { font-size: 12px; color: var(--bad); margin: 8px 0 0; }
.sched-note { font-size: 11px; color: var(--muted); margin: 8px 0 0; }

/* 乗り換え案内風ルート */
.route { list-style: none; margin: 0; padding: 0; }
.route .stop { position: relative; display: flex; align-items: baseline; gap: 10px; padding: 6px 0 6px 22px; }
/* 縦の線 */
.route .stop::before { content: ""; position: absolute; left: 5px; top: 0; bottom: 0; width: 2px; background: var(--line); }
.route .stop:first-child::before { top: 50%; }
.route .stop:last-child::before { bottom: 50%; }
/* 駅の丸 */
.route .stop::after { content: ""; position: absolute; left: 0; top: 12px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 2px solid var(--green); }
.route .stop.via::after { width: 9px; height: 9px; left: 2px; top: 13px; border-color: var(--muted); }
.route .rt { flex: 0 0 62px; font-variant-numeric: tabular-nums; font-size: 13px; color: var(--ink); font-weight: 700; }
.route .rn { font-size: 14px; }
.route .via .rn { color: var(--muted); font-size: 13px; }
.route .rn em { font-style: normal; font-size: 11px; margin-left: 6px; padding: 1px 6px; border-radius: 4px; background: #eef4f2; color: var(--green-d); }
.route .via .rn em { background: #f0f2f1; color: var(--muted); }
.ors-badge { font-size: 10px; margin-left: 5px; padding: 1px 5px; border-radius: 4px; background: #fdf0d8; color: var(--orange); }
.assump { background: var(--card); border-radius: 12px; padding: 12px 14px; margin: 14px 0; font-size: 14px; }
.assump summary { cursor: pointer; font-weight: 700; }
.assump-grid { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin: 10px 0; }
.assump-grid label { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 2px; }
.assump-grid input { font-size: 15px; padding: 6px; width: 90px; border: 1px solid var(--line); border-radius: 6px; }
.assump-grid button { background: var(--green); color: #fff; border: none; border-radius: 8px; padding: 8px 14px; }
.actions { text-align: center; margin: 16px 0; }
.src { font-size: 11px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 10px; margin-top: 16px; }

@media (min-width: 560px) {
  /* minmax(0,1fr) で列が内容の最小幅を超えて膨張・はみ出すのを防ぐ */
  .form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
  /* 発ブロックと着ブロックを左右に、日時・重量・実行ボタンは全幅 */
  .form > label.field, .form > .primary, .form > .dt-block { grid-column: 1 / -1; }
}

/* サイトフッタ（全ページ共通の導線・クレジット）*/
.site-footer { max-width: 720px; margin: 24px auto 0; padding: 16px; border-top: 1px solid var(--line); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 10px; }
.foot-nav a { color: var(--green-d); font-size: 13px; text-decoration: none; }
.foot-nav a:hover { text-decoration: underline; }
.site-footer .credit { font-size: 11px; color: var(--muted); line-height: 1.7; }
.site-footer .credit a { color: var(--green-d); }
.site-footer .copy { text-align: center; font-size: 12px; color: var(--muted); margin: 8px 0 0; }

/* ドキュメントページ（プライバシー・免責・クレジット）*/
.doc { background: var(--card); border-radius: 12px; padding: 20px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.doc h1 { font-size: 22px; margin: 0 0 4px; }
.doc .updated { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.doc h2 { font-size: 16px; margin: 22px 0 8px; padding-left: 10px; border-left: 4px solid var(--green); }
.doc h3 { font-size: 14px; margin: 16px 0 6px; }
.doc p, .doc li { font-size: 14px; }
.doc ul, .doc ol { padding-left: 20px; }
.doc a { color: var(--green-d); }
.doc .quote { background: #f0faf6; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 13px; line-height: 1.8; }
.doc .tip { background: #f0faf6; border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--green-d); }
.doc .updated { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.doc ol li, .doc ul li { margin: 6px 0; }
.doc table.src-tbl { width: 100%; border-collapse: collapse; margin: 8px 0; }
.doc table.src-tbl th, .doc table.src-tbl td { border: 1px solid var(--line); padding: 8px; font-size: 13px; text-align: left; vertical-align: top; }
.doc table.src-tbl th { background: #eef4f2; }
.back-home { display: inline-block; margin-bottom: 12px; color: var(--green-d); font-size: 13px; text-decoration: none; }

/* ═══════════════════════════════════════════════════════════
   入口画面（landing）— 入力ゼロの全国見える化
   ═══════════════════════════════════════════════════════════ */
.site-header .brand { cursor: pointer; }

/* ヒーロー */
.lp-hero { margin: 4px 0 8px; }
.lp-h1 { font-size: 26px; line-height: 1.35; margin: 4px 0 6px; letter-spacing: .01em; }
.lp-h1 b { color: var(--green-d); }
.lp-sub { font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.lp-sub b { color: var(--ink); }
.lp-map { position: relative; height: 340px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); background: #0d1b17; }
.lp-map .leaflet-container { background: #0d1b17; }
/* 再生中の仮想時刻（地図左上のオーバーレイ・操作は透過） */
.lp-clock { position: absolute; top: 8px; left: 8px; z-index: 500; pointer-events: none;
  font-size: 12px; font-weight: 700; letter-spacing: .02em; color: #d6ffe9;
  background: rgba(9, 26, 20, .72); border: 1px solid rgba(57, 217, 138, .35);
  border-radius: 999px; padding: 4px 10px; font-variant-numeric: tabular-nums; }
/* 地図の凡例（貨物駅/ORS/列車。左下オーバーレイ・操作は透過） */
.lp-legend { position: absolute; left: 8px; bottom: 8px; z-index: 500; pointer-events: none;
  display: flex; flex-direction: column; gap: 3px;
  background: rgba(9, 26, 20, .72); border: 1px solid rgba(57, 217, 138, .35);
  border-radius: 8px; padding: 6px 9px; }
.lp-legend .lg { display: flex; align-items: center; gap: 6px; font-size: 11px; color: #d6ffe9; white-space: nowrap; }
.lp-legend .dot { width: 9px; height: 9px; border-radius: 50%; flex: none; border: 1px solid #0b1a14; }
.lp-legend .dot.rail { background: #5fe3a6; }
.lp-legend .dot.ors { background: #f0a832; }
.lp-legend .dot.train { background: #4dd2ff; border-radius: 1px; border: 0; box-shadow: 0 0 3px #4dd2ff; }
.lp-maphint { font-size: 12px; color: var(--muted); margin: 6px 2px 0; }
/* 地図ヒント内の補足注釈（一段小さく・控えめに） */
.hint-note { display: block; margin-top: 3px; font-size: 11px; opacity: .8; }

/* スマホでは凡例をやや小さく（地図が狭いので情報量を抑える） */
@media (max-width: 560px) {
  .lp-legend { padding: 5px 7px; }
  .lp-legend .lg { font-size: 10px; }
}

/* 単位事実（出典付き）*/
.lp-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 12px; text-align: center; }
.fact.hi { border-color: #bfe6d5; background: #f2fbf7; }
.fact-num { font-size: 22px; font-weight: 800; color: var(--green-d); line-height: 1.1; }
.fact-num span { font-size: 13px; font-weight: 700; margin: 0 1px; }
.fact-cap { font-size: 12px; color: var(--ink); margin-top: 8px; line-height: 1.5; }
.fact-cap b { color: var(--green-d); }
.fact-cap em { display: block; font-style: normal; font-size: 11px; color: var(--muted); margin-top: 4px; }

/* 再現可能な集計＋意外な発見 */
.lp-kpi { display: flex; flex-direction: column; gap: 12px; margin: 18px 0; }
.kpi-main { background: linear-gradient(135deg, #0a9d6e, #077a55); color: #fff; border-radius: 14px; padding: 18px 16px; }
.kpi-lead { font-size: 14px; opacity: .95; }
.kpi-row { display: flex; gap: 16px; margin: 10px 0 6px; flex-wrap: wrap; }
.kpi-big { flex: 1; min-width: 130px; }
.kpi-big .kn { font-size: 38px; font-weight: 800; letter-spacing: -.01em; }
.kpi-big .ku { font-size: 16px; font-weight: 700; }
.kpi-big .kl { font-size: 12px; opacity: .9; margin-top: 2px; }
.kpi-note { font-size: 11px; opacity: .85; margin: 6px 0 0; }
.kpi-surprise { background: #fff7ec; border: 1px solid #f0d9b0; border-radius: 14px; padding: 14px 16px; }
.su-badge { display: inline-block; background: var(--orange); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 10px; border-radius: 999px; margin-bottom: 8px; }
.su-body { font-size: 14px; line-height: 1.6; }
.su-body .su-num { font-size: 26px; font-weight: 800; color: var(--orange); margin-right: 2px; }
.su-body b { color: #b5651d; }

/* お得度ランキング */
.lp-rank { margin: 22px 0; }
.lp-rank h2 { font-size: 17px; margin: 0 0 10px; }
.lp-rank h2 span { color: var(--muted); font-size: 13px; font-weight: 600; }
.rank-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.rank-tabs button { font-size: 13px; padding: 6px 12px; border: 1px solid var(--line); background: #fff; color: var(--muted); border-radius: 999px; cursor: pointer; }
.rank-tabs button.on { background: var(--green); color: #fff; border-color: var(--green); font-weight: 700; }
.rank-list { display: flex; flex-direction: column; gap: 6px; }
.rank-item { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; cursor: pointer; }
.rank-item:hover { border-color: var(--green); background: #f7fcfa; }
.ri-rank { font-size: 15px; font-weight: 800; color: var(--green-d); width: 22px; flex: none; text-align: center; }
.ri-od { font-size: 14px; font-weight: 700; flex: 1; min-width: 0; }
.ri-od em { font-style: normal; color: var(--muted); margin: 0 4px; }
.ri-metrics { display: flex; gap: 6px; flex-wrap: wrap; flex: none; }
.rm { font-size: 11px; padding: 2px 6px; border-radius: 6px; background: #eef4f2; color: var(--muted); white-space: nowrap; }
.rm.co2 { background: #e7f6ee; color: var(--green-d); }
.rm.time.pos { background: #e7f6ee; color: var(--green-d); }
.rm.time.neg { background: #fdeceb; color: var(--bad); }
.ri-score { font-size: 18px; font-weight: 800; color: var(--green); width: 34px; flex: none; text-align: right; }
.rank-note { font-size: 11px; color: var(--muted); margin-top: 8px; }

/* CTA */
.lp-cta-wrap { text-align: center; margin: 26px 0 10px; }
.cta-sub { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.lp-src { font-size: 11px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 12px; margin-top: 18px; }

/* スマホ: 事実カードとランキングを縦積み中心に */
@media (max-width: 560px) {
  .lp-h1 { font-size: 22px; }
  .lp-facts { grid-template-columns: 1fr; }
  .fact { display: flex; align-items: center; gap: 12px; text-align: left; }
  .fact-num { font-size: 20px; flex: none; min-width: 92px; }
  .fact-cap { margin-top: 0; }
  .rank-item { flex-wrap: wrap; }
  .ri-od { flex: 1; order: 1; }
  .ri-score { order: 2; }
  .ri-metrics { width: 100%; order: 3; }
}

/* 流れ図（イラスト）*/
.flow-fig { margin: 14px 0 6px; }
.flow-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.flow-svg { display: block; width: 100%; min-width: 560px; height: auto; }
.flow-svg text { font-family: inherit; }
.flow-cap { font-size: 19px; font-weight: 600; fill: var(--ink); }
.flow-sign { font-size: 11px; font-weight: 700; fill: #45647d; }
.flow-box { font-size: 13px; font-weight: 700; fill: #fff; }
.flow-fig figcaption { margin-top: 6px; text-align: center; font-size: 12px; color: var(--muted); }