/* 夜の水槽: 深い藍緑の地に、見つけたカードだけが明るく浮く。アクセントはサンゴ色1点 */
:root{
  --bg:#DCEBEA; --bg-2:#C6DEDC; --surface:#F4FAF9; --ink:#0F2B2F; --mute:#4E6B6E; --line:#AFCBC9;
  --deep:#1B4C52; --accent:#E2573F; --on-accent:#FFFFFF; --ok:#2E7D5B; --warn:#A8661A;
  --unfound:#B9D1CF;
  --f-head:"Hiragino Maru Gothic ProN","Hiragino Sans","BIZ UDPGothic","Noto Sans JP","Yu Gothic",sans-serif;
  --f-body:"Hiragino Sans","Hiragino Kaku Gothic ProN","BIZ UDPGothic","Noto Sans JP","Yu Gothic",sans-serif;
  --r:14px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0B1F22; --bg-2:#0E2A2E; --surface:#13363B; --ink:#E4F2F0; --mute:#8DB0AE; --line:#24494E;
  --deep:#7CC7BE; --accent:#FF7A5C; --on-accent:#1A0B07; --ok:#6FCFA0; --warn:#E3A857;
  --unfound:#173D42; color-scheme:dark}}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  background:
    radial-gradient(120% 60% at 50% -10%, var(--bg-2) 0%, transparent 60%),
    repeating-linear-gradient(180deg, transparent 0 22px, color-mix(in srgb, var(--line) 18%, transparent) 22px 23px),
    var(--bg);
  background-attachment:fixed;
  color:var(--ink); font-family:var(--f-body); line-height:1.75; letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
  padding-bottom:calc(76px + env(safe-area-inset-bottom,0px));
}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

.bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:calc(10px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px));
  background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{font-family:var(--f-head);text-decoration:none;font-size:13px;font-weight:300;letter-spacing:.12em;display:flex;align-items:baseline;gap:6px}
.brand b{font-size:20px;font-weight:800;letter-spacing:.06em}
.count{font-size:22px;font-weight:800}
.count small{font-size:12px;font-weight:300;color:var(--mute);margin-left:2px}

main{max-width:720px;margin:0 auto;padding:20px max(16px,env(safe-area-inset-right,0px)) 32px max(16px,env(safe-area-inset-left,0px));outline:none;display:flex;flex-direction:column;gap:22px}
h1,h2{font-family:var(--f-head);margin:0;text-wrap:balance}
h1{font-size:30px;font-weight:800;line-height:1.35}
h2{font-size:17px;font-weight:800;letter-spacing:.08em}
.sub{color:var(--mute);font-size:13px;margin:0}
.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--mute);font-weight:300}

.tabs{position:fixed;left:0;right:0;bottom:0;max-width:720px;margin:0 auto;border-inline:1px solid var(--line);z-index:6;display:grid;grid-template-columns:1fr 1fr 1fr;
  padding:6px max(10px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(10px,env(safe-area-inset-left,0px));
  background:var(--surface);border-top:1px solid var(--line)}
.tabs a{display:flex;flex-direction:column;align-items:center;text-decoration:none;font-size:11px;font-weight:700;color:var(--mute);padding:4px 0;gap:0}
.tabs .ic{font-size:20px;line-height:1.2}
.tabs a[aria-current="page"]{color:var(--ink)}
.tabs a.shoot{color:var(--accent)}

.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;border-radius:999px;padding:16px 20px;
  font-family:var(--f-head);font-size:18px;font-weight:800;cursor:pointer;text-decoration:none;letter-spacing:.08em}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.ghost{background:transparent;border:2px solid var(--line);font-size:15px;padding:12px 16px}
.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row > *{flex:1 1 140px;min-width:0}

.hero{display:flex;flex-direction:column;gap:14px;padding:22px 20px;border-radius:var(--r);
  background:linear-gradient(160deg, var(--deep), color-mix(in srgb, var(--deep) 55%, var(--bg)));color:var(--bg)}
.hero h1{color:var(--bg)}
.hero p{margin:0;font-size:14px;opacity:.9}
.hero .eyebrow{color:inherit;opacity:.75}
@media (prefers-color-scheme:dark){.hero{color:var(--bg)}}

.areas{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.area{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:2px;text-align:left;padding:10px 12px;border-radius:10px;border:2px solid var(--line);background:var(--surface);cursor:pointer;min-width:0}
.area b{font-size:14px}
.area span{font-size:11px;color:var(--mute)}
.area[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.meter{height:6px;border-radius:3px;background:var(--unfound);overflow:hidden;margin-top:4px}
.meter i{display:block;height:100%;background:var(--ok)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}
.cell{position:relative;aspect-ratio:3/4;max-width:100%;border-radius:10px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;justify-content:flex-end;background:var(--unfound)}
.cell img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cell .nm{position:relative;font-size:11px;font-weight:700;padding:4px 6px;background:linear-gradient(transparent,rgba(5,20,22,.85));color:#F2FBFA;line-height:1.4}
.cell.no img{filter:grayscale(1) brightness(.35) contrast(.8);opacity:.6}
.cell.no .nm{background:none;color:var(--mute)}
.cell.found{outline:2px solid var(--ok);outline-offset:-2px}

.shot{width:100%;max-width:100%;border-radius:var(--r);display:block;max-height:52vh;object-fit:contain;background:var(--surface)}
.checks{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;border:1.5px solid var(--line)}
.chip.ok{border-color:var(--ok);color:var(--ok)}
.chip.ng{border-color:var(--warn);color:var(--warn)}

.cands{display:flex;flex-direction:column;gap:10px}
.cand{display:grid;grid-template-columns:84px 1fr auto;gap:12px;align-items:center;padding:8px;border-radius:var(--r);background:var(--surface);border:2px solid var(--line);text-align:left;cursor:pointer;width:100%}
.cand img,.cand .noimg{width:84px;height:84px;object-fit:cover;border-radius:10px;background:var(--unfound)}
.cand b{font-family:var(--f-head);font-size:18px;display:block}
.cand span{font-size:11px;color:var(--mute)}
.cand .rank{font-size:26px;font-weight:200;color:var(--mute);padding-right:6px}
.cand:first-child{border-color:var(--accent)}
.cand > div{min-width:0}

.prog{height:10px;border-radius:5px;background:var(--unfound);overflow:hidden}
.prog i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}

.card{display:flex;flex-direction:column;gap:14px}
.card .big{width:100%;max-width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);background:var(--unfound)}
.card h1 small{display:block;font-size:13px;font-weight:300;color:var(--mute);font-style:italic;letter-spacing:.02em}
.facts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.facts li{background:var(--surface);border-radius:10px;padding:10px 12px;font-weight:700;border-left:4px solid var(--accent)}
.thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.thumbs img{width:96px;height:96px;object-fit:cover;border-radius:10px;flex:none}
textarea,input[type=text],input[type=search]{width:100%;font:inherit;padding:10px 12px;border-radius:10px;border:2px solid var(--line);background:var(--surface);color:var(--ink)}
.credit{font-size:11px;color:var(--mute);word-break:break-all}
.list{display:flex;flex-direction:column;gap:6px}
.li{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;background:var(--surface);border:1px solid var(--line);cursor:pointer;text-align:left;width:100%}
.li span{color:var(--mute);font-size:12px}

.found-banner{text-align:center;padding:18px;border-radius:var(--r);background:var(--accent);color:var(--on-accent);font-family:var(--f-head);font-size:24px;font-weight:800;letter-spacing:.1em}
.found-banner small{display:block;font-size:13px;font-weight:300}

.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:14px;margin:0}
.kv dt{color:var(--mute)}
.kv dd{margin:0;font-weight:700;word-break:break-all}
.note{font-size:12px;color:var(--mute)}
.hint{font-size:13px;background:var(--surface);border-radius:10px;padding:10px 12px;border:1px dashed var(--line)}

@media (prefers-reduced-motion:no-preference){
  main > *{animation:rise .45s both}
  main > *:nth-child(2){animation-delay:.06s}
  main > *:nth-child(3){animation-delay:.12s}
  main > *:nth-child(4){animation-delay:.18s}
  @keyframes rise{from{transform:translateY(8px);opacity:.01}to{transform:none;opacity:1}}
}

.filter{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;margin-inline:-4px;padding-inline:4px}
.filter a{flex:none;text-decoration:none;font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);white-space:nowrap}
.filter a[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}