/* サミットノート Web（百名山ガイド）— アプリと同じ「Expedition」デザイン */
@font-face{font-family:"InterV";src:url("fonts/inter.woff2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2190-21FF,U+2212}
@font-face{font-family:"Barlow Condensed";src:url("fonts/barlow-700.woff2") format("woff2");font-weight:700;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Barlow Condensed";src:url("fonts/barlow-800.woff2") format("woff2");font-weight:800 900;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}

:root{
  --font:"InterV",system-ui,-apple-system,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",sans-serif;
  --display:"Barlow Condensed","InterV",system-ui,"Hiragino Sans","Noto Sans JP",sans-serif;
  --acc:#E8461B; --bg:#F3F2ED; --card:#FFFFFF; --card2:#ECEBE4; --ink:#111110; --ink2:#2C2C29; --sub:#66655F; --faint:#9C9B94;
  --line:rgba(17,17,16,.1); --line2:rgba(17,17,16,.18); --ok:#14955F; --warn:#B87800; --bad:#C2361B;
  --r:14px; color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --acc:#FF5A1F; --bg:#0B0B0A; --card:#151514; --card2:#1D1D1B; --ink:#F4F3EE; --ink2:#D6D5CF; --sub:#9A9993; --faint:#64635E;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.16); --ok:#2FCB86; --warn:#FFB82E; --bad:#FF5544; color-scheme:dark;
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;font-feature-settings:"palt" 1}
a{color:inherit}
img{display:block}
svg{width:1em;height:1em;flex:none}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.row{display:flex;align-items:center}
.eyebrow{font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:.22em;color:var(--acc);text-transform:uppercase}
h1,h2,h3,h4{line-height:1.3;margin:0;letter-spacing:.01em}
h2{font-size:clamp(22px,3vw,28px);font-weight:800;margin:6px 0 18px}
h3{font-size:18px;font-weight:800}
.small,.note{font-size:13px;color:var(--sub)}
.note{margin-top:14px}
[hidden]{display:none!important}

/* ヘッダー */
.hd{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hd .wrap{height:58px;justify-content:space-between}
.home{text-decoration:none}
.logo{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.06em}
.logo i{font-style:normal;color:var(--acc);margin:0 2px}
.hd nav{display:flex;gap:6px;align-items:center}
.hd nav a{text-decoration:none;font-size:14px;font-weight:700;padding:8px 12px;border-radius:999px;color:var(--ink2)}
.hd nav a:hover{background:var(--card2)}
.hd nav .dl{display:inline-flex;gap:6px;align-items:center;background:var(--ink);color:var(--bg)}
.hd nav .dl:hover{background:var(--acc);color:#fff}
.hd nav .dl svg{font-size:12px}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:999px;font-weight:800;font-size:15px;text-decoration:none;border:0;cursor:pointer;transition:transform .15s,background .15s}
.btn:active{transform:scale(.97)}
.btn.acc{background:var(--acc);color:#fff}
.btn.acc:hover{filter:brightness(1.08)}
.btn.ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(8px)}
.btn svg{font-size:14px}

/* ヒーロー（航空写真タイル） */
.hero{position:relative;overflow:hidden;background:#1b1d1a;color:#fff;min-height:420px;display:flex;align-items:flex-end}
.hero-top{min-height:min(78vh,620px)}
.hero-map{position:absolute;left:50%;top:50%;width:0;height:0}
.tiles{position:absolute;left:0;top:0}
.tiles img{position:absolute;width:256px;height:256px;max-width:none}
.hero .tiles{transform-origin:0 0}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.05) 35%,rgba(0,0,0,.72) 100%),linear-gradient(90deg,rgba(0,0,0,.45),transparent 70%)}
.hero-in{position:relative;padding-top:80px;padding-bottom:36px;width:100%}
.hero h1{font-size:clamp(40px,8vw,76px);font-weight:900;letter-spacing:.02em;margin:6px 0 4px;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero-top h1{font-size:clamp(38px,7vw,68px)}
.hero .eyebrow{color:#FF8A5C}
.hero-sub{margin:0;font-size:17px;color:rgba(255,255,255,.88)}
.hero-sub b{font-family:var(--display);font-size:24px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.crumb{font-size:13px;margin-bottom:14px;color:rgba(255,255,255,.8);display:flex;gap:8px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:0;margin:24px 0 0;border-top:1px solid rgba(255,255,255,.25);padding-top:16px}
.hero-stats div{padding-right:28px;margin-right:28px;border-right:1px solid rgba(255,255,255,.2)}
.hero-stats div:last-child{border:0}
.hero-stats dt{font-size:12px;color:rgba(255,255,255,.7);font-weight:700}
.hero-stats dd{margin:0;font-family:var(--display);font-weight:800;font-size:24px;line-height:1.2}
.hero-stats small{font-size:14px;margin-left:2px}

/* 本文 */
.grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.sec{padding:40px 0 8px}
.lead{font-size:18px;line-height:1.9;margin:0;color:var(--ink2)}
.routes{display:grid;gap:14px}
.route{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.rt-hd{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rt-hd h3{margin-right:4px}
.lv,.tag{font-size:12px;font-weight:800;padding:2px 10px;border-radius:999px;line-height:1.7;white-space:nowrap}
.lv1{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.lv2{background:color-mix(in srgb,var(--warn) 17%,transparent);color:var(--warn)}
.lv3{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}
.tag{background:var(--card2);color:var(--sub)}
.rt-start{display:flex;gap:6px;align-items:center;font-size:14px;color:var(--sub);margin-top:6px}
.rt-stats{display:grid;grid-template-columns:repeat(4,1fr);margin:14px 0 6px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rt-stats div{padding:10px 0;border-right:1px solid var(--line);text-align:center}
.rt-stats div:last-child{border:0}
.rt-stats dt{font-size:12px;color:var(--sub);font-weight:700}
.rt-stats dd{margin:0;font-family:var(--display);font-size:22px;font-weight:800;line-height:1.3}
.rt-stats small{font-size:13px;margin-left:1px}
.route p{margin:10px 0 0;font-size:15px;color:var(--ink2)}
.route .access{font-size:14px;color:var(--sub)}
.route .access b{font-size:12px;background:var(--card2);padding:1px 8px;border-radius:6px;margin-right:8px;color:var(--ink2)}

/* アプリ紹介 */
.cta{margin:44px 0 8px;border-radius:20px;background:#111110;color:#F4F3EE;padding:30px;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.35),transparent 70%)}
.cta h2{font-size:22px;margin:6px 0 10px;color:#fff}
.cta p{margin:0 0 18px;color:#C9C8C2;font-size:15px}
.cta .eyebrow{color:#FF8A5C}
.cta-list{list-style:none;margin:0;padding:0;align-self:center;position:relative;z-index:1}
.cta-list li{padding:9px 0 9px 26px;border-bottom:1px solid rgba(255,255,255,.1);font-size:14px;font-weight:700;position:relative}
.cta-list li::before{content:"";position:absolute;left:4px;top:17px;width:10px;height:6px;border-left:2px solid #FF5A1F;border-bottom:2px solid #FF5A1F;transform:rotate(-45deg)}

/* 持ち物タブ */
.tabs{display:flex;flex-wrap:wrap;gap:6px}
.tabs input{position:absolute;opacity:0;pointer-events:none}
.tabs label{padding:8px 16px;border-radius:999px;font-weight:800;font-size:14px;background:var(--card2);color:var(--sub);cursor:pointer}
.tabs input:checked+label{background:var(--ink);color:var(--bg)}
.tabs input:focus-visible+label{outline:2px solid var(--acc);outline-offset:2px}
.pane{display:none;width:100%;margin-top:12px;columns:2;column-gap:14px}
#gs1:checked~.p1,#gs2:checked~.p2{display:block}
.gg{break-inside:avoid;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 18px;margin-bottom:14px}
.gg h4{font-size:14px;margin-bottom:6px}
.gg ul{margin:0;padding:0;list-style:none}
.gg li{font-size:14px;padding:5px 0 5px 22px;position:relative;border-top:1px solid var(--line)}
.gg li:first-child{border:0}
.gg li::before{content:"";position:absolute;left:0;top:10px;width:12px;height:12px;border:1.5px solid var(--line2);border-radius:4px}
.warn{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);font-weight:700;padding:10px 14px;border-radius:10px;margin:0 0 14px;font-size:14px;column-span:all}

/* 地図 */
.map-box{position:relative;height:360px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#e8e6df}
.map-in{position:absolute;left:50%;top:50%;width:0;height:0}
.map-pin{position:absolute;left:50%;top:50%;transform:translate(-50%,-100%);color:#fff;font-size:30px;display:grid;place-items:center}
.map-pin svg{fill:var(--acc);stroke:#fff;filter:drop-shadow(0 2px 4px rgba(0,0,0,.4))}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:var(--r);margin-bottom:10px}
summary{cursor:pointer;padding:16px 44px 16px 18px;font-weight:800;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:18px;top:12px;font-size:22px;color:var(--acc);font-weight:400}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 18px 16px;color:var(--ink2);font-size:15px}

/* サイド */
.side{position:sticky;top:78px;padding-top:40px;display:grid;gap:16px}
.side-box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.side-box h3{font-size:16px;margin:4px 0 8px}
.near{list-style:none;margin:0;padding:0}
.near a{display:flex;justify-content:space-between;gap:8px;padding:9px 0;border-top:1px solid var(--line);text-decoration:none;font-size:14px}
.near li:first-child a{border:0}
.near a:hover b{color:var(--acc)}
.near span{color:var(--sub);font-size:12px;white-space:nowrap}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.chips a{display:block;font-size:13px;font-weight:700;padding:4px 11px;border-radius:999px;background:var(--card2);text-decoration:none}
.chips a:hover{background:var(--acc);color:#fff}

/* 一覧 */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.search{flex:1 1 260px;display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line2);border-radius:999px;padding:0 16px;height:48px;color:var(--sub)}
.search input{flex:1;border:0;background:none;font:inherit;color:var(--ink);outline:none;min-width:0}
.search:focus-within{border-color:var(--acc)}
.seg{display:flex;background:var(--card2);border-radius:999px;padding:4px}
.seg button{border:0;background:none;font:inherit;font-size:14px;font-weight:800;color:var(--sub);padding:0 16px;border-radius:999px;cursor:pointer;height:40px}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.area h3{display:flex;align-items:baseline;gap:10px;margin:30px 0 12px;font-size:20px;padding-bottom:8px;border-bottom:2px solid var(--ink)}
.area h3 span{font-size:13px;color:var(--sub);font-weight:700}
.mlist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.mlist a{display:grid;grid-template-columns:auto 1fr;column-gap:12px;row-gap:2px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;transition:border-color .15s,transform .15s}
.mlist a:hover{border-color:var(--acc);transform:translateY(-2px)}
.mlist .no{grid-row:span 3;font-family:var(--display);font-weight:800;font-size:15px;color:var(--faint);padding-top:2px}
.mlist b{font-size:17px}
.mlist .meta{font-size:13px;color:var(--sub)}
.mlist .meta2{display:flex;gap:6px;flex-wrap:wrap;font-size:12px;color:var(--sub);margin-top:4px;align-items:center}
.mlist .meta2 span:not(.lv){background:var(--card2);padding:1px 8px;border-radius:999px;font-weight:700}
.empty{text-align:center;color:var(--sub);padding:40px 0}

/* フッター */
.ft{margin-top:64px;border-top:1px solid var(--line);padding:36px 0 48px;background:var(--card)}
.ft-top{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:14px}
.ft-top p{flex:1;margin:0;color:var(--sub);font-size:14px;min-width:220px}
.ft .small{margin:6px 0}

@media (max-width:900px){
  .grid{grid-template-columns:1fr;gap:0}
  .side{position:static;padding-top:24px}
  .cta{grid-template-columns:1fr;padding:24px}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .hd nav a:not(.dl){display:none}
  .hero{min-height:380px}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:12px}
  .hero-stats div{border:0;margin:0;padding:0}
  .rt-stats{grid-template-columns:repeat(2,1fr)}
  .rt-stats div:nth-child(2){border-right:0}
  .rt-stats div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .pane{columns:1}
  .route{padding:18px}
  .lead{font-size:16px}
}
@media (min-width:901px){.hero-top .hero-map{left:64%}}
.soon{cursor:default;opacity:.92}
.btn.acc.soon{background:color-mix(in srgb,var(--acc) 85%,#000)}
.hd nav .dl.soon:hover{background:var(--ink);color:var(--bg)}
.hd nav span.dl{padding:8px 14px;border-radius:999px;font-size:13px;font-weight:800}