:root{
  --bg:#f6f7f9; --card:#fff; --ink:#1d2433; --sub:#667085; --line:#e4e7ec;
  --accent:#2563eb; --accentbg:#eaf1fe;
  --ok:#1f8a4c; --okbg:#e7f6ee; --few:#b54708; --fewbg:#fef3e6; --ng:#b42318; --ngbg:#fdecea;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;line-height:1.7;font-size:16px}
.wrap{max-width:720px;margin:0 auto;padding:24px 16px 64px}
.wrap.narrow{max-width:420px}
.wrap.wide{max-width:1000px}
h1{font-size:1.3rem;margin:0 0 16px;line-height:1.4}
h1 small{font-size:.95rem;color:var(--sub);font-weight:normal}
h2{font-size:1.05rem;margin:0 0 8px;padding-left:10px;border-left:4px solid var(--accent)}
h3{font-size:.95rem;margin:14px 0 6px;color:var(--sub)}
a{color:var(--accent)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:16px}
.panel ul{margin:0;padding-left:1.2em}
.panel.info{background:var(--accentbg);border-color:#cfdcfb}
.panel.error{background:var(--ngbg);border-color:#f5c2bd;color:var(--ng)}
.panel.done{background:var(--okbg);border-color:#bfe5cf}
.panel.closed{text-align:center}
.big{font-size:1.2rem;font-weight:bold;margin:0 0 8px}
.small,.help{color:var(--sub);font-size:.85rem}
.help{display:block;margin:2px 0 6px}
.warn{color:var(--ng)}
section{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.req{display:inline-block;background:var(--ng);color:#fff;font-size:.7rem;border-radius:4px;padding:0 6px;margin-left:4px;vertical-align:2px;font-weight:normal}
.f{display:block;margin:12px 0 0;font-weight:bold}
.f input,.f textarea,.player input,.player select{display:block;width:100%;margin-top:4px;padding:10px 12px;border:1px solid #cbd2dc;border-radius:8px;font-size:16px;font-family:inherit;background:#fff}
.divs{display:grid;gap:8px}
.div{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;background:#fff}
.div:has(input:checked){border-color:var(--accent);background:var(--accentbg)}
.div.full{opacity:.55;cursor:not-allowed}
.div input{width:20px;height:20px;margin:0}
.dname{flex:1;font-weight:bold}
.rem{font-size:.85rem;font-weight:bold;border-radius:999px;padding:1px 10px;background:var(--okbg);color:var(--ok)}
.rem.is-few{background:var(--fewbg);color:var(--few)}
.rem.is-full{background:var(--ngbg);color:var(--ng)}
.confirm{margin-top:12px;padding:12px;border-radius:10px;background:var(--fewbg)}
.confirm label{font-weight:bold}
.player{display:grid;grid-template-columns:72px 1fr 96px;gap:8px;align-items:center;margin-top:8px}
.player input,.player select{margin-top:0}
.pno{font-weight:bold;font-size:.9rem}
.pno small{display:block;font-weight:normal;color:var(--sub);font-size:.75rem;line-height:1}
.player.optional .pno{color:var(--sub)}
.opt{display:block;margin:8px 0;cursor:pointer}
.opt input{margin-right:6px}
.agree{margin-top:16px;padding:12px;border-radius:10px;background:var(--bg);font-weight:bold}
.submit{display:block;width:100%;padding:14px;border:0;border-radius:12px;background:var(--accent);color:#fff;font-size:1.05rem;font-weight:bold;cursor:pointer;font-family:inherit}
.submit:disabled{opacity:.6}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* 管理画面 */
.adminbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.adminbar h1{margin:0}
.btn{display:inline-block;border:0;border-radius:8px;background:var(--accent);color:#fff;padding:8px 14px;font-size:.9rem;text-decoration:none;cursor:pointer;font-family:inherit}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.small{padding:6px 12px}
.summary{width:100%;border-collapse:collapse;margin-top:10px;background:#fff;border-radius:8px;overflow:hidden;font-size:.9rem}
.summary th,.summary td{padding:6px 10px;border-bottom:1px solid var(--line);text-align:right}
.summary th:first-child,.summary td:first-child{text-align:left}
.summary .is-full{color:var(--ng);font-weight:bold}
.summary .total td{font-weight:bold}
.wrap.wide h2{margin-top:28px}
.entry{background:var(--card);border:1px solid var(--line);border-left:5px solid var(--ok);border-radius:10px;padding:10px 14px;margin-bottom:10px}
.entry.st-waiting{border-left-color:var(--few)}
.entry.st-cancelled{border-left-color:#98a2b3;opacity:.6}
.entry-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.eno{font-family:monospace;color:var(--sub)}
.aff{color:var(--sub);font-size:.9rem}
.badge{margin-left:auto;font-size:.8rem;font-weight:bold;border-radius:999px;padding:1px 10px;background:var(--okbg);color:var(--ok)}
.badge.st-waiting{background:var(--fewbg);color:var(--few)}
.badge.st-cancelled{background:#eef0f3;color:var(--sub)}
.entry-body{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;margin-top:6px;font-size:.9rem}
.players{margin:0;padding-left:1.4em}
.stform{display:flex;gap:6px;align-items:flex-start}
.stform select{padding:6px;border:1px solid #cbd2dc;border-radius:8px;font-family:inherit}
@media (max-width:640px){
  .entry-body{grid-template-columns:1fr}
  .player{grid-template-columns:60px 1fr 84px}
}
.maillog{background:var(--bg);border-radius:8px;padding:10px;font-size:.78rem;white-space:pre-wrap;word-break:break-all;max-height:240px;overflow:auto;margin:4px 0 0}
details.panel summary{cursor:pointer}