:root{
  --bg:#F1F5F3; --panel:#FFFFFF; --ink:#12262A; --muted:#566B6B; --line:#D5E0DC;
  --teal:#1F6F6B; --teal-soft:#DCEDEA; --on-teal:#FFFFFF;
  --sun:#F2B33D; --sun-soft:#FBEFD0; --on-sun:#2B1F00;
  --alert:#B93A2E; --alert-soft:#F8E1DD;
  --map-bg:#E6EFEB; --me:#2B6FE0;
  --tabs-h:64px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1A1C; --panel:#16272A; --ink:#E4EEEB; --muted:#93AAA6; --line:#27403F;
    --teal:#5CC1B8; --teal-soft:#1C3A3A; --on-teal:#08201F;
    --sun-soft:#3A311A; --alert:#F08A7E; --alert-soft:#3B2320; --map-bg:#15292B; --me:#6FA0FF;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1A1C; --panel:#16272A; --ink:#E4EEEB; --muted:#93AAA6; --line:#27403F;
  --teal:#5CC1B8; --teal-soft:#1C3A3A; --on-teal:#08201F;
  --sun-soft:#3A311A; --alert:#F08A7E; --alert-soft:#3B2320; --map-bg:#15292B; --me:#6FA0FF;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;font-size:15px;line-height:1.75;
  padding-bottom:calc(var(--tabs-h) + env(safe-area-inset-bottom,0px) + 16px)}
h1,h2,h3{font-family:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Yu Gothic",sans-serif;line-height:1.35;margin:0;text-wrap:balance}
h2{font-size:19px;margin-top:28px}
h3{font-size:16px;margin-top:20px}
p{margin:8px 0 0}
button,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:calc(env(safe-area-inset-top,0px) + 10px) 16px 10px;background:var(--teal);color:var(--on-teal)}
.top h1{font-size:20px;font-weight:900;letter-spacing:.02em}

.view{max-width:560px;margin-inline:auto;padding:16px 16px 8px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin-top:14px}
.card.tint{background:var(--teal-soft);border-color:transparent}
.muted{color:var(--muted);font-size:13px}
.warn{background:var(--alert-soft);color:var(--ink);border-radius:12px;padding:10px 14px;margin-top:12px;font-size:14px}
.warn b{color:var(--alert)}
.note{background:var(--sun-soft);border-radius:12px;padding:8px 14px;margin-top:10px;font-size:13.5px}
.label{display:block;font-family:"Zen Maru Gothic",sans-serif;font-weight:700;margin-top:18px}

.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.axis{margin-top:12px}
.axis-label{display:block;font-size:13px;font-weight:700;color:var(--muted)}
.axis .chips{margin-top:4px}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:99px;padding:3px 13px;font-size:13.5px;cursor:pointer;line-height:1.6}
.chip.on{background:var(--teal);border-color:var(--teal);color:var(--on-teal);font-weight:700}
.chip.half{border-color:var(--teal);color:var(--teal);font-weight:700}
.chip.static{cursor:default}
.chip.low{border-style:dashed}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1.5px solid var(--ink);background:none;border-radius:12px;padding:8px 16px;font-weight:700;cursor:pointer;min-height:44px}
.btn.primary{background:var(--sun);border-color:var(--sun);color:var(--on-sun)}
.btn.block{display:flex;width:100%;margin-top:14px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.row>.btn{flex:1 1 140px}
input[type=text],textarea{width:100%;border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:8px 12px;margin-top:8px}
input[type=range]{width:100%;margin-top:8px;accent-color:var(--teal)}
details{margin-top:14px}
summary{cursor:pointer;font-weight:700}

.meter{display:flex;gap:4px;margin-top:6px}
.meter i{flex:1;height:10px;border-radius:3px;background:var(--line)}
.meter i.f{background:var(--sun)}
.big{font-family:"Zen Maru Gothic",sans-serif;font-weight:900;font-size:22px;line-height:1.35}

/* 地図 */
.picks{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.picks::-webkit-scrollbar{display:none}
.pickbtn{flex:none;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:6px 12px;text-align:left;font-size:13px;cursor:pointer;line-height:1.4}
.pickbtn b{display:block;font-size:14px}
#map{height:min(46vh,420px);border-radius:16px;border:1px solid var(--line);z-index:1}
.mapnote{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:6px}
.mapnote-body{flex:1}
.mapnote-body .row{margin-top:8px}
.mapnote-body .row>.btn{flex:0 0 auto}
.muted.small{font-size:12px;margin-top:8px}
.mapnote label{display:flex;align-items:center;gap:6px;cursor:pointer}
.pin{display:grid;place-items:center;width:30px;height:30px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);border:2.5px solid var(--ink);background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.35)}
.pin span{transform:rotate(45deg);font:700 12px/1 "Zen Maru Gothic",sans-serif;color:#12262A}
.pin.rec{box-shadow:0 0 0 4px var(--sun),0 1px 4px rgba(0,0,0,.35)}
.pin.sel{width:36px;height:36px}
.sheet{margin-top:12px}
.sheet .card{margin-top:0}
.stat{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--muted);margin-top:6px}
.posts{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.post{display:flex;gap:10px;font-size:13.5px}
.post img{width:64px;height:64px;object-fit:cover;border-radius:10px;flex:none}
.post button{border:0;background:none;color:var(--muted);font-size:12px;padding:0;cursor:pointer;text-decoration:underline}

.hist{display:flex;flex-direction:column;gap:12px;margin-top:10px}
.item{display:flex;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px}
.item img{width:72px;height:72px;object-fit:cover;border-radius:10px;flex:none}
.item .ph{width:72px;height:72px;border-radius:10px;background:var(--teal-soft);flex:none;display:grid;place-items:center;color:var(--muted);font-size:11px}
.item .body{min-width:0;font-size:13.5px}
.item .body b{font-size:14.5px}
.linkbtn{border:0;background:none;color:var(--muted);font-size:12px;padding:0;cursor:pointer;text-decoration:underline}
.res{font-weight:700}
.res.better{color:var(--teal)} .res.worse{color:var(--alert)}

/* タブ・モーダル */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom,0px)}
.tabs button{display:flex;flex-direction:column;align-items:center;gap:2px;height:var(--tabs-h);border:0;background:none;color:var(--muted);font-size:11.5px;font-weight:700;cursor:pointer;padding-top:8px}
.tabs svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tabs button[aria-current=true]{color:var(--teal)}
.modal{position:fixed;inset:0;z-index:50;background:rgba(10,20,22,.55);display:flex;align-items:flex-end;justify-content:center;overflow-y:auto}
.modal .box{background:var(--bg);width:100%;max-width:560px;border-radius:22px 22px 0 0;padding:20px 18px calc(env(safe-area-inset-bottom,0px) + 20px);max-height:92vh;overflow-y:auto}
@media (min-width:600px){.modal{align-items:center}.modal .box{border-radius:22px}}
.preview{display:block;width:100%;max-height:220px;object-fit:cover;border-radius:12px;margin-top:8px}
.sharepreview{display:block;width:100%;max-height:58vh;object-fit:contain;border-radius:12px;margin-top:8px;background:var(--panel)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.toast{position:fixed;left:50%;bottom:calc(var(--tabs-h) + env(safe-area-inset-bottom,0px) + 16px);transform:translateX(-50%);z-index:60;background:var(--ink);color:var(--bg);
  padding:8px 18px;border-radius:99px;font-size:14px;max-width:90vw;opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}
.leaflet-container{font-family:inherit}

/* 略図（静的デモ） */
.svgmap{display:block;width:100%;height:100%;background:var(--map-bg);border-radius:16px;cursor:crosshair}
.svgmap .grid{stroke:var(--line);stroke-width:1;vector-effect:non-scaling-stroke}
.svgmap .pinwrap{cursor:pointer}
.svgmap .pinwrap:focus-visible{outline:none}
.svgmap .pinwrap:focus-visible .pin-shape{stroke-width:3.5}
.svgmap .pin-shape{fill:#fff;stroke:#12262A;stroke-width:2.5}
.svgmap .pin-rec{fill:var(--sun)}
.svgmap .pin-rank{font:700 13px "Zen Maru Gothic",sans-serif;text-anchor:middle;fill:#12262A}
.svgmap .pin-label{font:700 11px "Zen Kaku Gothic New",sans-serif;text-anchor:middle;fill:var(--ink);paint-order:stroke;stroke:var(--map-bg);stroke-width:3.5px;stroke-linejoin:round}
.svgmap .me{fill:var(--me);stroke:#fff;stroke-width:3;vector-effect:non-scaling-stroke;pointer-events:none}
a.btn{color:inherit;text-decoration:none;text-align:center}
.btn.small{min-height:32px;padding:2px 12px;font-size:12.5px;border-width:1px}
.demotag{margin-left:10px;font:700 12px/1 "Zen Kaku Gothic New",sans-serif;background:var(--sun);color:var(--on-sun);border-radius:99px;padding:3px 9px;vertical-align:3px}
.seedtag{margin-left:6px;font-size:11px;background:var(--sun-soft);border-radius:4px;padding:0 6px}