/* =========================================================
   北陸新幹線 市民アンケート｜地域政党 京都党
   ========================================================= */
:root{
  --red:#c8161d;
  --red-deep:#a01016;
  --ink:#222;
  --sub:#5f5f5f;
  --mute:#8a8a8a;
  --line:#e7e4df;
  --paper:#faf8f4;          /* 和紙を思わせるごく淡い生成り */
  --sans:"Noto Sans JP","Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  --serif:"Noto Serif JP","Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.95;letter-spacing:.03em;
  -webkit-font-smoothing:antialiased;font-feature-settings:"palt" 0}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px}
.wrap{max-width:980px;margin:0 auto;padding:0 24px}
.sp{display:none}
@media (max-width:700px){.sp{display:inline}.pc{display:none}}

.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;padding:8px 14px}
.skip:focus{left:8px}

/* ---------- 赤い弧（京都党ロゴのモチーフ） ---------- */
.arc{display:block;width:72px;height:8px;margin:14px auto 0;fill:var(--red)}

/* ---------- 見出し ---------- */
.sec-head{text-align:center;margin:0 0 48px}
.sec-head__en{margin:0 0 6px;color:var(--red);font-size:13px;font-weight:700;letter-spacing:.24em}
.sec-head__title{word-break:auto-phrase;margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(22px,2.6vw,28px);letter-spacing:.12em;line-height:1.5}
.sec-head--sub .sec-head__title{font-size:clamp(19px,2.1vw,23px)}
.sec-head--sub .arc{width:56px;height:6px}

/* =========================================================
   ① 導入
   ========================================================= */
.topbar{position:absolute;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;gap:20px;
  padding:14px clamp(20px,4vw,48px)}
.topbar__logo img{width:72px;height:auto}
.topbar__label{margin:0;font-family:var(--serif);font-size:14px;letter-spacing:.14em;line-height:1.5;color:var(--sub);
  padding-left:20px;border-left:1px solid #d9d4cc}
.topbar__cta{margin-left:auto;background:var(--red);color:#fff;text-decoration:none;font-size:14px;font-weight:700;
  letter-spacing:.12em;padding:9px 24px;border-radius:999px;transition:background .25s}
.topbar__cta:hover{background:var(--red-deep)}

.intro{position:relative;height:270vh}
.intro__stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:#fff}
.intro__photo{position:absolute;inset:0 0 0 42%;background-size:cover;background-position:28% 50%;
  transform:scale(1.06);will-change:opacity,transform}
.intro__veil{position:absolute;inset:0;
  background:linear-gradient(90deg,#fff 0,#fff 42%,rgba(255,255,255,.78) 58%,rgba(255,255,255,.45) 100%)}
.intro__body{position:absolute;left:clamp(24px,7vw,120px);top:50%;transform:translateY(-46%)}
.intro__eyebrow{margin:0 0 clamp(14px,3vh,28px);font-size:clamp(12px,1vw,14px);letter-spacing:.2em;color:var(--sub);display:flex;align-items:center;gap:14px}
.intro__eyebrow span{color:#fff;background:var(--red);padding:2px 10px;border-radius:2px;font-weight:700;letter-spacing:.14em}
/* 画面の幅と高さの小さいほうに合わせ、どの画面でも7行が1画面に収まる */
.intro__text{margin:0;font-family:var(--serif);font-weight:600;
  font-size:clamp(15px,min(1.9vw,3.1vh),25px);line-height:2.15;letter-spacing:.08em}
.intro__text .line{display:block}
.js .intro__text .line{opacity:.1;transform:translateY(8px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .intro__text .line.on{opacity:1;transform:none}
.intro__arc{margin:clamp(18px,3.5vh,32px) 0 0;width:84px;height:9px}
.js .intro__arc{transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease)}
.js .intro__arc.on{transform:none}
.intro__scroll{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);font-size:10px;letter-spacing:.32em;color:var(--mute);
  padding-bottom:40px;transition:opacity .4s}
.intro__scroll::after{content:"";position:absolute;left:50%;bottom:0;width:1px;height:32px;background:linear-gradient(var(--red),transparent);
  animation:drop 2.2s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

@media (max-width:700px){
  .topbar{gap:12px;padding:12px 16px}
  .topbar__logo img{width:56px}
  .topbar__label{font-size:12px;padding-left:12px}
  .topbar__cta{font-size:12px;padding:7px 14px}
  .intro{height:250vh}
  .intro__photo{inset:0;background-position:40% 50%}
  .intro__veil{background:rgba(255,255,255,.82)}
  .intro__body{left:20px;right:20px}
  .intro__text{font-size:min(calc((100vw - 40px) / 23.5), 3.1vh);letter-spacing:.02em;line-height:2.05}
}

/* =========================================================
   ② アンケートのご案内
   ========================================================= */
.survey{position:relative;background:var(--paper);padding:112px 0 120px}
.survey::before{                       /* 上端に淡い弧 */
  content:"";position:absolute;left:0;right:0;top:-1px;height:40px;background:#fff;
  clip-path:ellipse(60% 100% at 50% 0)}
.lead{max-width:720px;margin:0 auto;font-size:16px}
.lead p{margin:0 0 1.3em}
.lead p:last-child{margin-bottom:0}

.answer{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:72px auto 0;max-width:900px}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:6px;padding:44px 36px 40px;text-align:center;
  display:flex;flex-direction:column;align-items:center}
.card::before{content:"";position:absolute;top:-1px;left:50%;width:56px;height:4px;transform:translateX(-50%);background:var(--red);border-radius:0 0 3px 3px}
.card__no{margin:0;font-family:var(--serif);color:var(--red);font-size:13px;letter-spacing:.2em}
.card__title{margin:2px 0 18px;font-family:var(--serif);font-size:20px;letter-spacing:.1em;font-weight:700}
.card__text{margin:0 0 28px;color:var(--sub);font-size:14.5px}
.card--web .btn{margin-top:auto}
.card__qr{margin:0 0 30px;text-align:center}
.card__qr img{width:150px;height:150px;image-rendering:pixelated;margin:0 auto;padding:10px;background:#fff;border:1px solid var(--line);border-radius:4px}
.card__qr figcaption{margin-top:8px;font-size:12.5px;color:var(--mute);letter-spacing:.1em}
.card__thumb{display:block;width:100%;max-width:300px;margin:0 0 22px;border:1px solid var(--line);
  box-shadow:0 6px 18px rgba(0,0,0,.06);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.card__thumb:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(0,0,0,.09)}
.card__note{margin:14px 0 0;font-size:12.5px;color:var(--mute);line-height:1.7}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;font-weight:700;letter-spacing:.1em;
  border-radius:999px;transition:background .25s,color .25s,box-shadow .25s,transform .25s var(--ease);line-height:1.5}
.btn svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.btn--primary{background:var(--red);color:#fff;font-size:18px;padding:17px 46px;box-shadow:0 8px 20px rgba(200,22,29,.22)}
.btn--primary:hover{background:var(--red-deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,22,29,.28)}
.btn--primary:hover svg{transform:translateX(3px)}
.btn--outline{border:1.5px solid var(--red);color:var(--red);background:#fff;font-size:14.5px;padding:12px 30px;text-align:center}
.btn--outline:hover{background:var(--red);color:#fff}

.sheet{margin-top:104px}
.sheet__figure{margin:0 auto;max-width:960px;background:#fff;padding:clamp(10px,2vw,22px);border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(60,40,20,.08)}
.sheet__figure img{width:100%}

@media (max-width:820px){
  .survey{padding:88px 0 88px}
  .lead{font-size:15px}
  .answer{grid-template-columns:1fr;gap:22px;margin-top:52px}
  .card{padding:38px 22px 32px}
  .card__qr{display:none}
  .btn--outline{font-size:14px;letter-spacing:.04em;padding:12px 22px}
  .btn--primary{font-size:17px;padding:16px 36px}
  .sheet{margin-top:72px}
}

/* =========================================================
   共通：参考情報セクション
   ========================================================= */
.wrap--wide{max-width:1120px}
.sec-lead{max-width:760px;margin:-12px auto 56px;font-size:16px;text-align:left}
.sec-lead p{margin:0 0 1em}
.sec-lead p:last-child{margin-bottom:0}
.ref{display:inline-block;min-width:1.5em;margin-left:2px;padding:0 4px;font-size:10.5px;line-height:1.6;font-weight:700;color:var(--red);
  text-decoration:none;vertical-align:super;border:1px solid rgba(200,22,29,.35);border-radius:3px;letter-spacing:0;text-align:center}
.ref + .ref{margin-left:3px}
.ref:hover{background:var(--red);color:#fff}
.sub-head{font-family:var(--serif);font-size:20px;letter-spacing:.1em;text-align:center;margin:88px 0 32px;font-weight:700}
.sub-head::after{content:"";display:block;width:40px;height:2px;margin:12px auto 0;background:var(--red)}

/* ---------- 参考情報への案内 ---------- */
.guide{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 14px;margin:64px auto 0;max-width:900px}
.guide__label{margin:0 6px 0 0;font-size:13px;color:var(--mute);letter-spacing:.14em}
.guide a{display:inline-flex;align-items:center;gap:10px;padding:10px 20px;background:#fff;border:1px solid var(--line);border-radius:999px;
  text-decoration:none;font-size:14.5px;font-weight:500;transition:border-color .25s,color .25s}
.guide a span{font-family:var(--serif);color:var(--red);font-size:12px;letter-spacing:.1em}
.guide a:hover{border-color:var(--red);color:var(--red)}

/* =========================================================
   ③ これまでの経過と問題点
   ========================================================= */
.history{padding:120px 0 112px;background:#fff}

/* 年表：PCは横並び、スマホは縦 */
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative}
.timeline::before{content:"";position:absolute;left:0;right:0;top:58px;height:2px;background:linear-gradient(90deg,#d9d4cc 0,#d9d4cc 62%,var(--red) 72%,var(--red) 100%)}
.tl{position:relative;padding:0 10px 0 14px}
.tl__date{margin:0 0 30px;font-family:var(--serif);font-weight:700;font-size:26px;line-height:1.2;letter-spacing:.02em;color:var(--ink)}
.tl__date small{display:block;font-size:12.5px;font-weight:600;color:var(--sub);letter-spacing:.06em;margin-top:3px}
.tl::before{content:"";position:absolute;left:14px;top:51px;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid #b9b2a7}
.tl--now::before{border-color:var(--red);background:var(--red);box-shadow:0 0 0 5px rgba(200,22,29,.12)}
.tl__title{word-break:auto-phrase;margin:0 0 8px;font-family:var(--serif);font-size:15px;line-height:1.55;letter-spacing:.02em}
.tl--now .tl__title{color:var(--red)}
.tl__text{margin:0;font-size:13.5px;line-height:1.85;color:var(--sub)}

/* 着工5条件 */
.five{margin:72px auto 0;max-width:980px;background:var(--paper);border-radius:6px;padding:28px 32px;display:grid;grid-template-columns:auto 1fr;gap:10px 32px;align-items:center}
.five__head{margin:0;display:flex;flex-direction:column;gap:2px;padding-right:32px;border-right:1px solid #e2ddd5}
.five__head strong{font-family:var(--serif);font-size:20px;letter-spacing:.12em}
.five__head span{font-size:12.5px;color:var(--sub);letter-spacing:.06em}
.five__head .ref{align-self:flex-start;vertical-align:baseline}
.five__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 10px}
.five__list li{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 16px 6px 6px;font-size:14px;line-height:1.5}
.five__list span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:700;flex:none}
.five__note{grid-column:1 / -1;margin:8px 0 0;font-size:13px;color:var(--sub)}

/* 問題点カード */
.issues{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.issue{position:relative;border:1px solid var(--line);border-radius:6px;padding:32px 32px 28px 32px;background:#fff}
.issue__no{position:absolute;top:-1px;left:32px;margin:0;height:auto;background:var(--red);color:#fff;font-family:var(--serif);font-weight:700;
  font-size:13px;line-height:1;padding:7px 10px 8px;border-radius:0 0 4px 4px;letter-spacing:.05em}
.issue__title{word-break:auto-phrase;margin:14px 0 14px;font-family:var(--serif);font-size:19px;line-height:1.5;letter-spacing:.06em}
.issue p{margin:0;font-size:14.5px;line-height:1.9;color:#333}
.issue .issue__no{line-height:1;font-size:13px;color:#fff}
.tags{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:13px;padding:3px 12px;border-radius:999px;background:var(--paper);border:1px solid #e6dfd4}
.tags li.is-covered{border-color:var(--red);background:#fff;padding:0}
.tags li.is-covered a{display:block;padding:3px 12px;color:var(--red);text-decoration:none;border-radius:999px;transition:background .2s,color .2s}
.tags li.is-covered a::after{content:" →";font-size:11px}
.tags li.is-covered a:hover{background:var(--red);color:#fff}
.issue .tags__note{margin:-4px 0 12px;font-size:12px;color:var(--mute);line-height:1.6}
.note-ext{margin:24px auto 0;max-width:980px;font-size:12.5px;color:var(--mute)}

/* 事業費の横棒（1系列・数値は直接ラベル） */
.bars{margin:6px 0 0;display:grid;gap:10px}
.bar{display:grid;grid-template-columns:7.4em 1fr 4.6em;align-items:center;gap:12px;font-size:13px}
.bar__label{line-height:1.35;color:var(--sub)}
.bar__label small{font-size:11.5px}
.bar__track{height:14px;position:relative}
.bar__fill{position:absolute;left:0;top:0;bottom:0;width:calc(var(--v) / 6 * 100%);background:var(--red);border-radius:0 4px 4px 0}
.bar:first-child .bar__fill{background:#c9b9b0}
.bar:nth-child(2) .bar__fill{background:#d9706f}
.bar__value{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--ink);white-space:nowrap}
.bar__value small{font-size:11.5px;font-weight:600;margin-left:2px}
.bar.is-new .bar__value{color:var(--red)}
.bars figcaption{margin-top:6px;font-size:12px;line-height:1.7;color:var(--mute)}
.js .bar__fill{transform:scaleX(0);transform-origin:left;transition:transform 1.1s var(--ease)}
.js .issue.in .bar__fill{transform:none}
.js .issue.in .bar:nth-child(2) .bar__fill{transition-delay:.15s}
.js .issue.in .bar:nth-child(3) .bar__fill{transition-delay:.3s}
.js .issue.in .bar:nth-child(4) .bar__fill{transition-delay:.45s}

/* =========================================================
   ④ 交通混雑（スクロールで地図が切り替わる）
   ========================================================= */
.traffic{padding:120px 0 100px;background:var(--paper);position:relative}
.traffic::before{content:"";position:absolute;left:0;right:0;top:-1px;height:40px;background:#fff;clip-path:ellipse(60% 100% at 50% 0)}
.scrolly{max-width:1240px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:start}
.stage{position:sticky;top:20px;height:calc(100vh - 40px);display:flex;flex-direction:column}
.stage__frame{position:relative;flex:1;min-height:0;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  box-shadow:0 18px 40px rgba(60,40,20,.07)}
.stage__img{position:absolute;inset:14px;width:calc(100% - 28px);height:calc(100% - 28px);object-fit:contain;
  opacity:0;transform:scale(1.035);transition:opacity .7s var(--ease),transform 1s var(--ease)}
.stage__img.is-active{opacity:1;transform:none}
.locator{position:absolute;right:12px;bottom:12px;width:84px;border:1px solid #d9d4cc;background:#fff;padding:3px;border-radius:3px;
  box-shadow:0 4px 12px rgba(0,0,0,.1);opacity:0;transition:opacity .5s}
.locator.show{opacity:1}
.locator img{width:100%;display:block;filter:grayscale(1) contrast(.8);opacity:.75}
.locator__box{position:absolute;border:2px solid var(--red);border-radius:2px;transition:all .6s var(--ease)}
.stage__caption{margin:10px 2px 0;font-size:11px;line-height:1.6;color:var(--mute)}

.steps{padding:12vh 0 18vh}
.step{min-height:78vh;display:flex;flex-direction:column;justify-content:center;padding:28px 0;opacity:.35;transition:opacity .5s}
.step.is-active{opacity:1}
.step__fig{display:none}
.step__eyebrow{margin:0 0 6px;font-size:12.5px;font-weight:700;color:var(--red);letter-spacing:.2em}
.step__title{word-break:auto-phrase;margin:0 0 18px;font-family:var(--serif);font-size:23px;line-height:1.55;letter-spacing:.06em}
.step p{margin:0 0 .9em;font-size:15px}
.step em{font-style:normal;font-weight:700;color:var(--ink);background:linear-gradient(transparent 62%,rgba(200,22,29,.16) 62%)}
.step b{color:var(--red)}
.step__src{margin-top:10px!important;font-size:12px!important;color:var(--mute)}
.points{margin:0 0 18px;padding:0;list-style:none}
.points li{position:relative;padding-left:18px;margin:0 0 .8em;font-size:15px;line-height:1.85}
.points li::before{content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--red)}
.counts{display:flex;flex-wrap:wrap;gap:10px;margin:4px 0 0}
.counts div{background:#fff;border:1px solid var(--line);border-left:4px solid #80350e;border-radius:4px;padding:8px 16px 8px 14px}
.counts dt{font-size:12px;color:var(--sub);letter-spacing:.06em}
.counts dd{margin:0;font-family:var(--serif);font-weight:700;font-size:22px;line-height:1.3}
.counts small{font-size:12px;font-weight:600;margin-left:3px;color:var(--sub)}
.legend{list-style:none;margin:14px 0 0;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:6px;display:grid;gap:8px}
.legend li{display:flex;align-items:center;gap:12px;font-size:13.5px;line-height:1.5}
.lg{flex:none;display:inline-block;width:34px;height:14px;position:relative}
.lg--route{background:repeating-linear-gradient(90deg,#ff0000 0 9px,transparent 9px 14px);height:4px}
.lg--truck{background:repeating-linear-gradient(90deg,#0b76a0 0 3px,transparent 3px 6px);height:4px}
.lg--site{width:16px;height:16px;border-radius:50%;border:2px dashed #ff0000;background:#bdbdbd;margin:0 9px}
.lg--count{background:#80350e;border-radius:3px;height:16px}
.lg--jam{background:#c00000;border-radius:3px;height:16px}
.view{margin-top:22px;border-left:3px solid var(--red);background:#fff;padding:16px 20px;border-radius:0 6px 6px 0}
.view__label{margin:0 0 4px!important;font-family:var(--serif);font-weight:700;font-size:14px!important;color:var(--red);letter-spacing:.12em}
.view p:last-child{margin:0;font-size:14.5px}
.data-note{margin:24px auto 0;max-width:1120px;font-size:12.5px;line-height:1.8;color:var(--mute)}

/* =========================================================
   ⑥ アンケートの内容・再度のご案内
   ========================================================= */
.closing{padding:120px 0 96px;background:#fff}
.closing__cta{text-align:center;margin-top:56px}
.closing__lead{font-family:var(--serif);font-size:20px;letter-spacing:.1em;margin:0 0 26px}
.closing__btns{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}

/* 出典 */
.sources{background:#fff;padding:0 0 80px}
.sources details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:4px 0}
.sources summary{cursor:pointer;padding:16px 4px;font-family:var(--serif);font-weight:700;letter-spacing:.1em;list-style:none;display:flex;align-items:center;gap:10px}
.sources summary::-webkit-details-marker{display:none}
.sources summary::before{content:"＋";color:var(--red);font-family:var(--sans)}
.sources details[open] summary::before{content:"－"}
.sources summary span{font-family:var(--sans);font-weight:400;font-size:12.5px;color:var(--mute);letter-spacing:.04em}
.sources ol{margin:0 0 12px;padding-left:2em;font-size:13px;line-height:1.85;color:#444}
.sources li{margin-bottom:6px}
.sources li:target{background:#fff3f3}
.sources li a{color:var(--red);margin-left:6px;font-size:12px}
.sources__note{font-size:12px;color:var(--mute);margin:0 0 12px 4px}

/* フッター */
.foot{text-align:center;padding:56px 24px 36px;background:var(--paper);border-top:1px solid var(--line)}
.foot__arc{width:72px;height:8px;margin:0 auto 26px}
.foot__logo{margin:0 auto 6px;width:96px;mix-blend-mode:multiply}
.foot__name{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:.16em}
.foot__link{margin:6px 0 18px;font-size:13.5px}
.foot__link a{color:var(--red)}
.foot small{font-size:11.5px;color:var(--mute)}

/* =========================================================
   参考情報03 地下水・井戸への影響
   ========================================================= */
.water{padding:120px 0 112px;background:#fff}
.wells__note{margin:14px 0 0;font-size:14px;line-height:1.85}

/* 東西線の井戸補償（交通局資料） */
.wells2{margin:0 auto;max-width:980px;background:var(--paper);border-radius:8px;padding:40px 44px 30px}
.wells2__eyebrow{margin:0 0 14px;font-size:13px;color:var(--sub);letter-spacing:.08em}
.wells2__hero{display:grid;grid-template-columns:auto 1fr;gap:20px 44px;align-items:center}
.wells2__label{margin:0;font-family:var(--serif);font-weight:700;font-size:17px;line-height:1.5;letter-spacing:.06em}
.wells2__num{margin:2px 0 0;font-family:var(--serif);font-weight:700;font-size:22px}
.wells2__num strong{font-size:64px;line-height:1;color:var(--red);margin-right:4px}
.ratio{height:26px;background:#fff;border:1px solid #d9d0c3;border-radius:4px;position:relative;overflow:hidden}
.ratio__fill{position:absolute;left:0;top:0;bottom:0;width:calc(var(--v) / 1943 * 100%);background:var(--red)}
.ratio__cap{margin:8px 0 0;font-size:13px;color:var(--sub);line-height:1.6}
.ratio__cap b{font-family:var(--serif);font-size:16px;color:var(--ink)}
.js .ratio__fill{transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease)}
.js .wells2.in .ratio__fill{transform:none}
.wells2__causes,.wells2__shield{margin-top:30px;padding-top:24px;border-top:1px solid #e6dfd4}
.wells2__h{margin:0 0 12px;font-family:var(--serif);font-weight:700;font-size:17px;letter-spacing:.06em}
.wells2__h span{font-family:var(--sans);font-weight:500;font-size:13px;color:var(--sub);margin-left:8px}
.cbars{display:grid;gap:8px;max-width:720px}
.cbar{display:grid;grid-template-columns:5.5em 1fr 4em;gap:12px;align-items:center;font-size:14px}
.cbar__track{height:16px;position:relative}
.cbar__fill{position:absolute;left:0;top:0;bottom:0;width:calc(var(--v) / 120 * 100%);background:#c9a99a;border-radius:0 4px 4px 0}
.cbar.is-key .cbar__fill{background:var(--red)}
.cbar.is-sub .cbar__fill{background:#d9706f}
.cbar.is-mute .cbar__fill{background:#cfc8bd}
.cbar.is-key .cbar__label,.cbar.is-key .cbar__value{color:var(--red);font-weight:700}
.cbar__value{font-family:var(--serif);font-weight:700;font-size:17px;text-align:right;white-space:nowrap}
.cbar__value small{font-size:11.5px;margin-left:1px}
.js .cbar__fill{transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease)}
.js .wells2.in .cbar__fill{transform:none}
.wells2__small{margin:12px 0 0;font-size:12.5px;color:var(--sub);line-height:1.75}
.wells2__small--top{margin:-4px 0 14px}
.kuku{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ku{background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:4px;padding:12px 14px 14px}
.ku.is-none{border-top-color:#cfc8bd}
.ku__name{margin:0;font-family:var(--serif);font-weight:700;font-size:15.5px}
.ku__name span{font-family:var(--sans);font-weight:400;font-size:12px;color:var(--mute);margin-left:6px}
.ku__num{margin:4px 0 6px;font-family:var(--serif);font-weight:700;font-size:30px;line-height:1.2;color:var(--red)}
.ku__num small{font-size:13px;margin-left:2px;color:var(--sub)}
.ku__num--text{font-size:17px;padding:8px 0 4px;color:var(--ink)}
.ku.is-none .ku__num--text{color:var(--mute)}
.ku__note{margin:0;font-size:12.5px;line-height:1.65;color:var(--sub)}
.wells2__total{margin:16px 0 0;font-size:15px}
.wells2__total strong{font-family:var(--serif);font-size:22px;color:var(--red);margin:0 2px}
.wells2__total small{font-size:12.5px;color:var(--sub)}
.wells2 figcaption{margin-top:18px;font-size:12px;color:var(--mute);line-height:1.7}

.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:980px;margin:0 auto}
.fact{border-top:3px solid var(--red);background:#fff;padding:20px 4px 0}
.fact__num{margin:0 0 10px;font-family:var(--serif);font-weight:700;font-size:20px;color:var(--red);line-height:1.2}
.fact__num strong{font-size:48px;margin:0 2px}
.fact__num--text{font-size:24px;padding:12px 0 8px}
.fact p:last-child{margin:0;font-size:14.5px;line-height:1.85}
.facts__src{max-width:980px;margin:16px auto 0;font-size:12px;color:var(--mute)}

.section-fig{max-width:980px;margin:88px auto 0;padding:36px 40px 28px;border:1px solid var(--line);border-radius:8px;background:#fff}
.section-fig__title{margin:0 0 20px;font-family:var(--serif);font-size:20px;letter-spacing:.06em;line-height:1.55;word-break:auto-phrase}
.xsec{width:100%;height:auto;display:block;border-radius:4px}
.xsec .t-s{font-size:13px;fill:#4a4a4a;font-family:var(--sans)}
.xsec .t-m{font-size:15px;fill:#333;font-weight:700;font-family:var(--sans)}
.xsec .t-b{font-size:18px;fill:#222;font-weight:700;font-family:var(--serif)}
.xsec .t-w{font-size:14px;fill:#fff;font-weight:700;font-family:var(--sans)}
.xsec .t-blue{fill:#1f5f8a;font-weight:700}
.points--fig{margin:22px 0 0}
.points em,.section-fig em{font-style:normal;font-weight:700;color:var(--ink);background:linear-gradient(transparent 62%,rgba(200,22,29,.16) 62%)}
.xsec-hint{display:none}
.section-fig figcaption{margin-top:6px;font-size:12px;color:var(--mute);line-height:1.7}

.cases{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:980px;margin:40px auto 0}
.cases--single{grid-template-columns:1fr}
.case{background:var(--paper);border-radius:6px;padding:26px 28px}
.case__label{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--red);letter-spacing:.16em}
.case__title{margin:0 0 12px;font-family:var(--serif);font-size:18px;line-height:1.55;letter-spacing:.04em}
.case p:last-child{margin:0;font-size:14.5px;line-height:1.85}
.view--wide{max-width:980px;margin:40px auto 0}

/* =========================================================
   参考情報04 地下水と川の水量
   ========================================================= */
.flow{padding:120px 0 112px;background:var(--paper);position:relative}
.flow::before{content:"";position:absolute;left:0;right:0;top:-1px;height:40px;background:#fff;clip-path:ellipse(60% 100% at 50% 0)}
.mtn{max-width:980px;margin:0 auto;display:grid;grid-template-columns:auto auto 1fr;gap:16px 36px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px 32px}
.mtn__stat{border-left:4px solid #1f5f8a;padding-left:16px}
.mtn__num{margin:0;font-family:var(--serif);font-weight:700;font-size:18px;color:#1f5f8a;line-height:1.2}
.mtn__num strong{font-size:42px;margin:0 3px}
.mtn__stat p:last-child{margin:4px 0 0;font-size:13px;color:var(--sub)}
.mtn__text{margin:0;font-size:14.5px;line-height:1.85}

.rivers{max-width:980px;margin:40px auto 0;background:#fff;border:1px solid var(--line);border-radius:8px;padding:34px 40px 26px}
.rivers__title{margin:0 0 10px;font-family:var(--serif);font-size:21px;letter-spacing:.06em;line-height:1.55;word-break:auto-phrase}
.rivers__sub{margin:0 0 22px;display:flex;flex-wrap:wrap;gap:8px}
.badge{display:inline-block;font-size:12.5px;font-weight:700;padding:3px 12px;border-radius:999px;background:var(--red);color:#fff;letter-spacing:.06em}
.badge--line{background:#fff;color:var(--red);border:1px solid var(--red)}
.rbars{display:grid;gap:7px}
.rbar__group{margin:10px 0 2px;font-family:var(--serif);font-weight:700;font-size:14.5px;letter-spacing:.1em;color:#1f5f8a;border-bottom:1px solid #e6dfd4;padding-bottom:4px}
.rbar__group:first-child{margin-top:0}
.rbar{display:grid;grid-template-columns:9.5em 1fr 4.4em;gap:12px;align-items:center;font-size:13.5px}
.rbar__label{color:#333;line-height:1.3}
.rbar__label small{display:inline-block;width:3.2em;color:var(--mute);font-size:11.5px}
.rbar__track{height:14px;position:relative;background:#f3efe8;border-radius:0 4px 4px 0}
.rbar__fill{position:absolute;left:0;top:0;bottom:0;width:calc(var(--v) / 12 * 100%);background:#4f8fbf;border-radius:0 4px 4px 0}
.rbar.is-max .rbar__fill{background:var(--red)}
.rbar.is-max .rbar__value{color:var(--red)}
.rbar__value{font-family:var(--serif);font-weight:700;font-size:16px;text-align:right;white-space:nowrap}
.rbar__value small{font-size:11px;margin-left:1px}
.js .rbar__fill{transform:scaleX(0);transform-origin:left;transition:transform 1s var(--ease)}
.js .rivers.in .rbar__fill{transform:none}
.rivers__note{margin:18px 0 0;font-size:13.5px;line-height:1.8;color:#444}
.rtable{margin-top:16px;border-top:1px solid var(--line)}
.rtable summary{cursor:pointer;padding:12px 0;font-size:13.5px;font-weight:700;color:#1f5f8a}
.rtable__scroll{overflow-x:auto}
.rtable table{width:100%;border-collapse:collapse;font-size:13px;min-width:460px}
.rtable th,.rtable td{border-bottom:1px solid #eee;padding:7px 8px;text-align:right;white-space:nowrap}
.rtable th:nth-child(2),.rtable td:nth-child(2),.rtable th:first-child,.rtable td:first-child{text-align:left}
.rtable th{font-size:12px;color:var(--sub);font-weight:700;background:var(--paper)}
.rivers figcaption{margin-top:12px;font-size:12px;color:var(--mute);line-height:1.7}

.quality{max-width:980px;margin:40px auto 0;background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:6px;padding:26px 32px}
.quality__title{margin:0 0 12px;font-family:var(--serif);font-size:19px;line-height:1.55;letter-spacing:.04em;word-break:auto-phrase}
.quality p{margin:0 0 .8em;font-size:14.5px;line-height:1.9}
.quality p:last-child{margin-bottom:0}
.quality em{font-style:normal;font-weight:700;background:linear-gradient(transparent 62%,rgba(200,22,29,.16) 62%)}

/* =========================================================
   参考情報05 埋蔵文化財
   ========================================================= */
.maibun{padding:120px 0 112px;background:#fff}
.store{max-width:980px;margin:0 auto;background:var(--paper);border-radius:8px;padding:36px 40px 26px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:20px 44px;align-items:center}
.store__eyebrow{margin:0;font-size:13px;color:var(--sub);letter-spacing:.08em}
.store__rate{margin:2px 0 18px;font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.06em}
.store__rate strong{font-size:72px;line-height:1;color:var(--red);margin:0 4px;letter-spacing:0}
.store__rate span{font-size:28px;color:var(--red)}
.store__facts{margin:0;display:grid;gap:8px}
.store__facts div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:1px solid #e6dfd4;padding:6px 0}
.store__facts dt{font-size:13.5px;color:var(--sub)}
.store__facts dd{margin:0;font-family:var(--serif);font-weight:700;font-size:21px}
.store__facts small{font-size:12px;margin-left:3px;color:var(--sub);font-weight:600}
.store__facts .is-alert dd{color:var(--red)}
.store__grid{display:grid;grid-template-columns:repeat(10,1fr);gap:4px;max-width:360px;justify-self:center;width:100%}
.cell{display:block;aspect-ratio:1;border-radius:2px;background:#fff;border:1.5px dashed #c9bfb2}
.cell.is-full{background:#8a6a4f;border:0}
.store__grid .cell:nth-child(n+98){border-color:var(--red)}
.js .store .cell.is-full{transform:scale(0);transition:transform .35s var(--ease)}
.js .store.in .cell.is-full{transform:none}
.store figcaption{grid-column:1 / -1;font-size:12px;color:var(--mute);line-height:1.7}

.store-photos{max-width:980px;margin:28px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.store-photos figure{margin:0;position:relative;border-radius:6px;overflow:hidden;background:#222}
.store-photos img{width:100%;aspect-ratio:4/3;height:auto;object-fit:cover}
.store-photos figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 16px 12px;color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;
  background:linear-gradient(transparent,rgba(0,0,0,.72))}

.store-issues{max-width:980px;margin:28px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.si{border-top:3px solid #8a6a4f;padding:18px 2px 0}
.si__title{margin:0 0 10px;font-family:var(--serif);font-size:17px;letter-spacing:.06em}
.si__num{margin:0 0 6px!important;font-family:var(--serif);font-weight:700;font-size:18px;color:#8a6a4f}
.si__num strong{font-size:40px;margin:0 2px}
.si p{margin:0;font-size:14px;line-height:1.85}

.shin{max-width:980px;margin:48px auto 0;border:1px solid var(--line);border-top:4px solid var(--red);border-radius:6px;padding:28px 32px;background:#fff}
.shin__title{margin:0 0 18px;font-family:var(--serif);font-size:20px;letter-spacing:.06em;word-break:auto-phrase}
.shin__cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.shin__label{margin:0 0 6px;font-size:12.5px;font-weight:700;color:#1f5f8a;letter-spacing:.14em}
.shin__label--red{color:var(--red)}
.shin p:not(.shin__label){margin:0;font-size:14.5px;line-height:1.9}

/* ---------- タブレット・スマホ ---------- */
@media (max-width:1000px){
  .timeline{grid-template-columns:1fr;max-width:640px;margin:0 auto}
  .timeline::before{left:7px;right:auto;top:8px;bottom:8px;width:2px;height:auto;background:linear-gradient(180deg,#d9d4cc 0,#d9d4cc 62%,var(--red) 72%,var(--red) 100%)}
  .tl{padding:0 0 30px 40px}
  .tl::before{left:0;top:6px}
  .tl__date{margin:0 0 6px;font-size:22px;display:flex;align-items:baseline;gap:6px}
  .tl__date small{display:inline;margin:0}
  .tl__text{font-size:14px}
}
@media (max-width:900px){
  .scrolly{display:block;padding:0 20px}
  .stage{display:none}
  .steps{padding:0}
  .step{min-height:0;opacity:1;padding:0 0 56px}
  .step__fig{display:block;margin:0 0 20px}
  .step__fig a{display:block;background:#fff;border:1px solid var(--line);border-radius:6px;padding:8px}
  .step__fig figcaption{margin-top:6px;font-size:11.5px;color:var(--mute);text-align:right}
  .step--sum{padding-top:8px;border-top:1px solid #e6dfd4}
}
@media (max-width:820px){
  .history,.traffic,.closing{padding:88px 0 80px}
  .sec-lead{font-size:15px;margin-bottom:44px}
  .five{grid-template-columns:1fr;padding:22px 20px}
  .five__head{padding:0 0 12px;border-right:0;border-bottom:1px solid #e2ddd5;flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:4px 12px}
  .five__list li{font-size:13.5px}
  .issues{grid-template-columns:1fr;gap:28px}
  .issue{padding:28px 20px 22px}
  .issue__no{left:20px}
  .sub-head{margin-top:72px}
  .step__title{font-size:20px}
  .points li,.step p{font-size:14.5px}
  .closing__btns{flex-direction:column}
  .guide{flex-direction:column;align-items:stretch;max-width:420px}
  .guide__label{text-align:center;margin:0}
  .guide a{justify-content:center}

  .water{padding:88px 0 80px}
  .wells2{padding:26px 18px 20px}
  .wells2__hero{grid-template-columns:1fr;gap:14px}
  .wells2__num strong{font-size:52px}
  .cbar{grid-template-columns:4.8em 1fr 3.6em;gap:8px;font-size:13px}
  .kuku{grid-template-columns:1fr 1fr}
  .xsec-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -14px;padding:0 14px}
  .xsec{min-width:680px}
  .xsec-hint{display:block;margin:0 0 6px;font-size:11.5px;color:var(--mute);text-align:right}
  .xsec-hint::before{content:"⇆ "}
  .facts{grid-template-columns:1fr;gap:12px}
  .fact{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:start;padding:16px 0 4px}
  .fact__num{margin:0}
  .fact__num strong{font-size:38px}
  .fact__num--text{font-size:16px;padding:6px 0 0;word-break:keep-all}
  .section-fig{padding:24px 14px 18px;margin-top:64px}
  .section-fig__title{font-size:17px}
  .cases{grid-template-columns:1fr}

  .flow{padding:88px 0 80px}
  .mtn{grid-template-columns:1fr 1fr;padding:20px 18px;gap:14px 16px}
  .mtn__num strong{font-size:34px}
  .mtn__text{grid-column:1 / -1}
  .rivers{padding:24px 16px 18px}
  .rivers__title{font-size:18px}
  .rbar{grid-template-columns:7.6em 1fr 3.8em;gap:8px;font-size:12.5px}
  .rbar__label small{display:block;width:auto}
  .quality{padding:22px 18px}
  .quality__title{font-size:17px}

  .maibun{padding:88px 0 80px}
  .store{grid-template-columns:1fr;padding:26px 18px 20px}
  .store__rate strong{font-size:60px}
  .store__grid{max-width:300px}
  .store-photos{grid-template-columns:1fr;gap:14px}
  .store-issues{grid-template-columns:1fr;gap:6px}
  .shin{padding:22px 18px}
  .shin__cols{grid-template-columns:1fr;gap:18px}
  .shin__title{font-size:18px}
}

/* ---------- ページ先頭へ ---------- */
.totop{position:fixed;right:18px;bottom:18px;z-index:30;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.94);
  border:1px solid var(--line);display:grid;place-items:center;box-shadow:0 4px 14px rgba(0,0,0,.08);
  opacity:0;pointer-events:none;transition:opacity .3s}
.totop.show{opacity:1;pointer-events:auto}
.totop svg{width:16px;height:16px;fill:none;stroke:var(--red);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- スクロールで現れる ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .intro{height:auto}
  .intro__stage{position:relative}
  .intro__photo{opacity:1!important;transform:none!important}
  .js .intro__text .line,.js .intro__arc,.js .reveal,.js .bar__fill,.stage__img,.js .rbar__fill,.js .ratio__fill,.js .cbar__fill,.js .store .cell.is-full{transform:none;transition:none}
  .js .intro__text .line,.js .intro__arc,.js .reveal,.step{opacity:1}
  .intro__scroll{display:none}
}