:root{--bg:#fff8f0;--card:#fff;--ink:#333;--muted:#777;--accent:#ff7a59;--accent2:#4fc3f7;--ok:#3cb371;--err:#e05252;--radius:16px;--shadow:0 4px 14px rgba(0,0,0,.08);font-family:system-ui,-apple-system,"Segoe UI","Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:inherit}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;background:linear-gradient(90deg,#ff9a76,#ffcc70);box-shadow:var(--shadow);position:sticky;top:0;z-index:5}
.brand{font-weight:800;font-size:1.3rem;text-decoration:none;color:#4a2a10}
main{max-width:1100px;margin:0 auto;padding:20px 16px 60px}
.site-footer{text-align:center;color:var(--muted);padding:30px 16px;font-size:.9rem}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:999px;border:2px solid #e8dccf;background:#fff;color:var(--ink);font-weight:700;font-size:1rem;text-decoration:none;cursor:pointer;transition:transform .1s,box-shadow .1s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:disabled{opacity:.6;cursor:default}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.big{font-size:1.25rem;padding:14px 28px}
.btn.sm{padding:4px 10px;font-size:.85rem}
.btn.danger{border-color:#f3b3b3;color:var(--err)}
.btn.like{border-color:#ffb3a7}
.btn.like.on{background:#ff5a7a;border-color:#ff5a7a;color:#fff}
.btn.like.pop{animation:pop .4s}
@keyframes pop{30%{transform:scale(1.18)}}
.hero{text-align:center;padding:20px 0 10px}
.hero h1{font-size:clamp(1.4rem,4vw,2.2rem);margin:0 0 6px}
.hero p{color:var(--muted);margin:0}
.tabs{display:flex;gap:8px;justify-content:center;margin:16px 0 20px}
.tab{padding:8px 18px;border-radius:999px;background:#fff;border:2px solid #e8dccf;text-decoration:none;font-weight:700}
.tab.active{background:var(--accent2);border-color:var(--accent2);color:#fff}
.grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .12s}
.card:hover{transform:translateY(-3px)}
.card a{text-decoration:none;display:block}
.thumb{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;background:#eee}
.thumb.auto{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,hsl(var(--hue) 85% 70%),hsl(calc(var(--hue) + 50) 85% 60%));color:#fff;font-size:2.6rem;font-weight:900;text-shadow:0 2px 6px rgba(0,0,0,.25)}
.card-body{padding:10px 12px 12px}
.card h2{font-size:1.05rem;margin:0 0 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.by{color:var(--muted);font-size:.9rem;margin:0}
.stats{display:flex;gap:12px;margin:6px 0 0;font-weight:700;color:#555}
.empty{text-align:center;color:var(--muted);padding:40px 0}
.game-head h1{margin:6px 0 2px;font-size:1.6rem}
.back{text-decoration:none;color:var(--muted);font-weight:700}
.date{margin-left:8px;font-size:.8rem}
.stage{background:#111;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin:12px 0}
.stage iframe{display:block;width:100%;aspect-ratio:16/9;min-height:360px;border:0;background:#fff}
.actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.plays{font-weight:700;color:#555;padding:0 6px}
.desc{background:#fff;padding:14px 16px;border-radius:var(--radius);box-shadow:var(--shadow);margin-top:16px}
.upload{max-width:760px;margin:0 auto}
.rules{background:#fff3e0;border:2px dashed #ffb74d;border-radius:var(--radius);padding:12px 18px;margin-bottom:20px}
.rules h2{margin:0 0 6px;font-size:1.1rem}
.rules ul{margin:0;padding-left:20px}
form label{display:block;font-weight:700;margin:14px 0 4px}
form label small{font-weight:400;color:var(--muted)}
form input:not([type=file]):not([type=checkbox]),form textarea{width:100%;font-size:1.05rem;padding:10px 12px;border:2px solid #e8dccf;border-radius:12px;background:#fff;font-family:inherit}
form input[type=file]{display:block;margin-top:4px;font-size:1rem}
.preview{margin-top:20px;background:#fff;padding:14px;border-radius:var(--radius);box-shadow:var(--shadow)}
.preview h2{margin:0 0 4px;font-size:1.1rem}
.hint{color:var(--muted);margin:0 0 10px;font-size:.95rem}
#preview-frame{width:100%;aspect-ratio:16/9;min-height:320px;border:2px solid #eee;border-radius:12px;background:#fff}
.thumb-preview img{max-width:240px;border-radius:12px;margin-top:8px}
.msg{padding:12px 14px;border-radius:12px;background:#eef;font-weight:700;margin:14px 0 0}
.msg.ok{background:#e6f7ea;color:#1e7b3a}
.msg.err{background:#fdecec;color:#a33}
#submit-btn{margin-top:18px}
body.admin main{max-width:1300px}
.admin-wrap h1{font-size:1.4rem}
.admin-wrap h1 small{font-size:.8rem;color:var(--muted);font-weight:400;margin-left:10px}
.admin-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.admin-tabs button{padding:8px 14px;border-radius:10px;border:2px solid #e8dccf;background:#fff;font-weight:700;cursor:pointer;font-size:.95rem}
.admin-tabs button.active{background:var(--accent2);border-color:var(--accent2);color:#fff}
.badge{background:#ff5a7a;color:#fff;border-radius:999px;padding:0 7px;font-size:.8rem}
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);font-size:.92rem}
.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid #f0e6da;vertical-align:top;text-align:left}
.tbl th{background:#fff3e0}
.ops{display:flex;flex-wrap:wrap;gap:4px;min-width:260px}
.muted{color:var(--muted)}
.st{padding:2px 8px;border-radius:999px;font-size:.8rem;font-weight:700;background:#eee;white-space:nowrap}
.st-pending{background:#fff0c2}.st-published{background:#d8f5e1}.st-hidden,.st-rejected{background:#f6d6d6}
.inline-form{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.inline-form input{padding:8px 10px;border:2px solid #e8dccf;border-radius:10px;font-size:.95rem}
code.code{font-size:1.1rem;font-weight:800;letter-spacing:.05em}
dialog{border:0;border-radius:var(--radius);box-shadow:0 10px 40px rgba(0,0,0,.3);padding:16px;max-width:min(960px,96vw);width:100%}
dialog::backdrop{background:rgba(0,0,0,.5)}
#preview-iframe{width:100%;aspect-ratio:16/9;min-height:420px;border:2px solid #eee;border-radius:12px;margin-top:8px;background:#fff}
.preview-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
dialog menu{display:flex;gap:8px;justify-content:flex-end;padding:0;margin:14px 0 0}
@media (max-width:600px){.site-header{padding:10px 12px}.brand{font-size:1.1rem}.stage iframe{min-height:260px}.ops{min-width:0}}