:root{
  --bg:#f6f4ef; --panel:#fff; --ink:#28251f; --muted:#746f64;
  --gold:#b48b2d; --line:#e5dfd2; --danger:#b34040;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP",sans-serif;background:var(--bg);color:var(--ink)}
header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line);padding:14px 18px;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px}
nav{display:flex;gap:8px;flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;padding:8px 10px;border-radius:10px}
nav a:hover{background:#f0ece2}
main{max-width:1100px;margin:0 auto;padding:22px}
h1{margin:0 0 8px} h2{margin:0 0 14px;font-size:18px}
p{color:var(--muted)}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px;flex-wrap:wrap}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.button,button{display:inline-block;border:1px solid var(--line);background:white;color:var(--ink);text-decoration:none;border-radius:10px;padding:10px 14px;cursor:pointer;font:inherit}
.primary{background:var(--gold);border-color:var(--gold);color:white;font-weight:700}
.danger{background:white;border-color:#e2b7b7;color:var(--danger)}
.small{padding:7px 10px;font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.event-card,.panel,.login-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.event-card form{display:inline}
.event-type{font-size:12px;color:var(--gold);font-weight:800;margin-bottom:6px}
.comment{background:#faf7ee;padding:10px;border-radius:10px;color:var(--ink)}
.form-grid{display:grid;gap:14px}
.compact{max-width:600px}
label{display:grid;gap:6px;font-weight:650;color:#4b473f}
input,select,textarea{width:100%;border:1px solid #d8d2c6;border-radius:10px;padding:11px 12px;font:inherit;background:#fff;color:var(--ink)}
textarea{resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check{display:flex;align-items:center;gap:9px}
.check input{width:auto}
.savebar{position:sticky;bottom:0;background:rgba(246,244,239,.94);backdrop-filter:blur(8px);padding:12px 0;display:flex;justify-content:flex-end;gap:10px}
.flash{padding:12px 14px;border-radius:10px;margin-bottom:14px}
.flash.ok{background:#e9f5e8}.flash.error{background:#fbe8e8}
.login-card{max-width:420px;margin:60px auto}
.stack{display:grid;gap:14px}
.empty{padding:25px;text-align:center;color:var(--muted)}
@media(max-width:650px){
  main{padding:14px}
  .two{grid-template-columns:1fr}
  header{align-items:flex-start}
  .actions{width:100%}
  .actions .button{flex:1;text-align:center}
}

.hint{font-weight:400;color:var(--muted);font-size:13px;line-height:1.5}

.help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.help-grid .panel p,.help-grid .panel li{line-height:1.7}
.help-grid ol,.help-grid ul{padding-left:22px;color:var(--muted)}

[hidden]{display:none !important}


.event-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px}
.event-meta .event-type{margin-bottom:0}
.event-status{font-size:12px;font-weight:800;background:#f4f1e9;border:1px solid var(--line);padding:4px 8px;border-radius:999px;white-space:nowrap}
.event-card.ended{opacity:.67}
.event-card.ended h2{color:var(--muted)}

.event-filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}
.filter-button{padding:8px 12px;border-radius:999px;background:#fff}
.filter-button.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}