/* りかのえ（仮）共通スタイル */
:root{
  --bg:#F3F6F8; --surface:#FFFFFF; --paper:#FFFFFF; --ink:#1F3445; --muted:#5B6F7E; --line:#D5DEE5;
  --accent:#C9733A; --accent-ink:#FFFFFF; --accent-soft:#F7E7DA; --pro:#2F6F8F; --pro-soft:#DCEBF2;
  --grid:rgba(74,107,130,.08);
  --f-display:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans",sans-serif;
  --f-body:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#121A20;--surface:#1A242C;--ink:#E4ECF1;--muted:#9FB1BE;--line:#2C3A45;
  --accent:#E08A50;--accent-ink:#1A1208;--accent-soft:#3A2A1E;--pro:#7DB7D3;--pro-soft:#1E3440;--grid:rgba(160,190,210,.07);color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.7;
  padding:0 max(16px,env(safe-area-inset-right,0px)) 48px max(16px,env(safe-area-inset-left,0px))}
[hidden]{display:none!important}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto}
.demo-note{max-width:1180px;margin:12px auto 0;font-size:12.5px;color:var(--muted);border:1px dashed var(--line);border-radius:8px;padding:6px 12px}
header.site{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;padding:18px 0 14px;border-bottom:1px solid var(--line)}
.logo{font-family:var(--f-display);font-weight:900;font-size:26px;letter-spacing:.02em;display:flex;align-items:baseline;gap:8px;text-decoration:none}
.logo small{font-family:var(--f-body);font-weight:500;font-size:12px;color:var(--muted)}
.logo .dot{color:var(--accent)}
.search{flex:1 1 260px;display:flex;min-width:0}
.search input{flex:1;min-width:0;font:inherit;padding:8px 12px;border:1px solid var(--line);border-radius:8px 0 0 8px;background:var(--surface);color:var(--ink)}
.search button{font:inherit;padding:8px 14px;border:1px solid var(--line);border-left:0;border-radius:0 8px 8px 0;background:var(--surface);color:var(--ink);cursor:pointer}
.plan-pill{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{font:inherit;font-size:13.5px;padding:7px 12px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg);font-weight:700}
nav.tabs{display:flex;flex-wrap:wrap;gap:6px;padding:14px 0 6px}
nav.tabs button,.chips button{font:inherit;font-size:14px;padding:5px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
nav.tabs button[aria-pressed="true"],.chips button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:6px;padding:4px 0 10px}
.chips button{font-size:13px;padding:3px 12px}
.count{font-size:13px;color:var(--muted);margin:6px 0 4px;font-variant-numeric:tabular-nums}
h1{font-family:var(--f-display);font-weight:700;font-size:clamp(22px,3.2vw,30px);line-height:1.35;margin:4px 0;text-wrap:balance}
.group{margin-top:22px}
.group h2{font-family:var(--f-display);font-size:18px;margin:0 0 10px;display:flex;align-items:baseline;gap:10px}
.group h2 span{font-family:var(--f-body);font-size:12.5px;color:var(--muted);font-weight:500}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(190px,44vw),1fr));gap:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:6px;text-decoration:none;min-width:0;transition:border-color .15s}
.card:hover{border-color:var(--accent)}
.card .thumb{background:#fff;border-radius:6px;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:contain}
.card b{font-size:13.5px;line-height:1.45;font-weight:500}
.card .tag{font-size:11.5px;color:var(--muted)}
.empty{padding:40px 0;color:var(--muted)}
.crumbs{font-size:13px;color:var(--muted);padding:12px 0 2px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.main{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:24px;align-items:start;margin-top:10px}
@media (max-width:880px){.main{grid-template-columns:1fr}}
.stage{background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0/20px 20px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/20px 20px,var(--surface);
  border:1px solid var(--line);border-radius:12px;padding:clamp(12px,3vw,28px)}
.sheet{background:var(--paper);box-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(31,52,69,.10);border-radius:2px;position:relative}
.sheet svg{display:block;width:100%;height:auto;touch-action:none}
.sheet.mono svg{filter:grayscale(1) contrast(1.05)}
.sheet.placing{cursor:crosshair;outline:3px solid var(--accent);outline-offset:3px}
.sheet .drag{cursor:grab}
.stage-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 16px;margin-top:12px;font-size:12.5px;color:var(--muted)}
.answers{margin-top:14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 16px}
.answers h3{margin:0 0 6px;font-size:13.5px}
.answers ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:2px 16px;font-size:13.5px}
.answers .n{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;border:1.5px solid var(--ink);font-size:11px;font-weight:700;margin-right:6px;font-family:var(--f-mono)}
aside.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:16px}
.panel h2{margin:0;font-size:16px;font-family:var(--f-display)}
fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;min-width:0}
legend{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted);margin-bottom:6px;padding:0;display:flex;align-items:center;gap:8px}
.badge{font-size:11px;letter-spacing:.04em;padding:1px 8px;border-radius:999px;font-weight:700}
.badge.free{background:var(--accent-soft);color:var(--accent)}
.badge.pro{background:var(--pro-soft);color:var(--pro)}
.opt{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;cursor:pointer;font-size:14px;line-height:1.5}
.opt input{margin-top:3px;accent-color:var(--accent)}
.opt small{display:block;color:var(--muted);font-size:12px}
.opt:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.row{display:flex;gap:6px;flex-wrap:wrap}
.row .opt{flex:1 1 0;min-width:84px;justify-content:center}
.seg-label{font-size:12px;color:var(--muted);margin-bottom:4px}
.sub{font-size:12.5px;color:var(--muted);margin:4px 0 0}
.bulk{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.bulk button,.addbtn{font:inherit;font-size:12.5px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer}
.addbtn{border-style:dashed;padding:7px 12px;border-radius:8px;text-align:left}
.addbtn[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:700}
.lbls{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:340px;overflow:auto}
.lbls li{display:flex;align-items:center;gap:6px;min-width:0}
.lbls input[type=text]{flex:1 1 auto;min-width:0;font:inherit;font-size:13.5px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink)}
.lbls li.hide input[type=text]{text-decoration:line-through;opacity:.55}
.lbls li.added input[type=text]{border-color:var(--accent)}
.mini{flex:0 0 auto;display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.mini button{font:inherit;font-size:12px;padding:5px 7px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.mini button+button{border-left:1px solid var(--line)}
.mini button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);font-weight:700}
.del{font:inherit;font-size:12px;border:0;background:transparent;color:var(--muted);cursor:pointer;padding:4px}
.pro-box{position:relative;border:1px solid var(--line);border-radius:10px;padding:12px}
.pro-box.locked fieldset{opacity:.4;pointer-events:none}
.lock{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;
  background:color-mix(in srgb,var(--surface) 72%,transparent);border-radius:10px;padding:16px;font-size:13.5px}
.lock b{font-family:var(--f-display);font-size:15px}
.lock button{font:inherit;font-size:13.5px;font-weight:700;padding:8px 16px;border-radius:8px;border:0;background:var(--pro);color:var(--surface);cursor:pointer}
.dl{font:inherit;font-weight:700;font-size:16px;padding:12px;border:0;border-radius:10px;background:var(--accent);color:var(--accent-ink);cursor:pointer;text-align:center;text-decoration:none;display:block}
.dl:disabled{opacity:.45;cursor:not-allowed}
.dl.sub2{background:transparent;color:var(--pro);border:1.5px solid var(--pro);font-size:14.5px;padding:10px}
.dl.sub2[aria-disabled="true"]{opacity:.45;pointer-events:none}
.quota{font-size:12.5px;color:var(--muted);text-align:center;font-variant-numeric:tabular-nums;margin-top:-8px}
.related{margin-top:32px}
.related h2{font-family:var(--f-display);font-size:17px;margin:0 0 10px}
button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}