:root{--bg:#faf8f5;--ink:#222;--mute:#6b6b6b;--line:#e6e1da;--card:#fff;--acc:#d9480f;--acc2:#1c7ed6;--ok:#2b8a3e}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif}
a{color:var(--acc2)}
main{max-width:860px;margin:0 auto;padding:16px}
.hd{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.logo{font-weight:800;font-size:18px;color:var(--ink);text-decoration:none;white-space:nowrap}
.hd nav{display:flex;gap:12px;white-space:nowrap}.hd nav a{font-size:14px;text-decoration:none;padding:6px 0}
.hero{padding:20px 0 4px}.hero h1{margin:0 0 4px;font-size:28px}
h1{font-size:24px;line-height:1.4;margin:.3em 0}h2{font-size:18px;margin:28px 0 10px;border-left:4px solid var(--acc);padding-left:10px}
.btn{display:inline-block;background:var(--acc);color:#fff;border:0;border-radius:999px;padding:12px 22px;font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;min-height:44px}
.btn:disabled{opacity:.5}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--ink);text-decoration:none}
.card:hover{border-color:var(--acc)}.card h3{margin:4px 0 8px;font-size:16px;line-height:1.5}
.kind{display:inline-block;font-size:12px;color:#fff;background:var(--acc2);border-radius:4px;padding:0 8px;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:4px;list-style:none;padding:0;margin:0}.chips li{font-size:12px;background:#f1ede6;border-radius:999px;padding:1px 9px}
.meta{margin:8px 0 0;font-size:12px;color:var(--mute);display:flex;gap:12px}
.muted{color:var(--mute);font-size:14px}
.opts{display:grid;gap:10px;margin:14px 0}
.opt{position:relative;overflow:hidden;text-align:left;background:#fff;border:2px solid var(--line);border-radius:12px;padding:14px 16px;font-size:16px;min-height:52px;cursor:pointer;display:flex;justify-content:space-between;gap:10px}
.opt:hover{border-color:var(--acc)}.opt.mine{border-color:var(--acc);font-weight:700}
.opt .bar{position:absolute;inset:0 auto 0 0;background:#ffe3d3;z-index:0;transition:width .4s}
.opt span{position:relative;z-index:1}
.opt .pct{font-variant-numeric:tabular-nums;color:var(--mute)}
.total{font-size:13px;color:var(--mute)}
.form{display:grid;gap:14px;max-width:560px}.form label{display:grid;gap:4px;font-weight:700;font-size:14px}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid #cfc9bf;border-radius:8px;background:#fff;width:100%}
.msg{min-height:1.5em;font-size:14px;color:#c92a2a;margin:0}.msg.ok{color:var(--ok)}
.cm{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:8px 0}
.cm .who{font-size:12px;color:var(--mute);display:flex;justify-content:space-between;gap:8px}
.cm p{margin:4px 0 0;white-space:pre-wrap;word-break:break-word}
.cm button{background:none;border:0;color:var(--mute);font-size:12px;cursor:pointer;text-decoration:underline;padding:6px}
.rules li{margin:8px 0}
.tabs{display:flex;gap:8px;margin:14px 0}.tabs a{flex:1;text-align:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 0;text-decoration:none;color:var(--ink);font-weight:700;min-height:44px}
.ft{max-width:860px;margin:32px auto;padding:0 16px;font-size:12px;color:var(--mute)}
[hidden]{display:none!important}