:root{--bg:#f6f7f4;--card:#fff;--ink:#1c2321;--sub:#5b6662;--line:#d9dedb;--accent:#1f6f50;--ok:#1f8a4c;--warn:#b5651d;--ng:#b3261e;--chip:#eef2ef}
@media (prefers-color-scheme:dark){:root{--bg:#141816;--card:#1d2220;--ink:#e8ece9;--sub:#a3ada8;--line:#333b37;--accent:#5fc49a;--ok:#5fc49a;--warn:#e0a060;--ng:#ef7b72;--chip:#262d2a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.7;font-size:16px}
main{max-width:860px;margin:0 auto;padding:16px}
h1{font-size:1.5rem;margin:.4em 0}
h2{font-size:1.15rem;margin:1.4em 0 .5em;border-left:4px solid var(--accent);padding-left:.5em}
a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:12px 0}
.note{font-size:.88rem;color:var(--sub)}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:12px 18px;font-size:1rem;font-weight:600;text-decoration:none;cursor:pointer;margin:4px 6px 4px 0}
.btn.sub{background:var(--chip);color:var(--ink);border:1px solid var(--line)}
.btn:disabled{opacity:.45}
.ok{color:var(--ok);font-weight:700}.warn{color:var(--warn);font-weight:700}.ng{color:var(--ng);font-weight:700}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{border-bottom:1px solid var(--line);padding:6px 4px;text-align:left;vertical-align:top}
th{color:var(--sub);font-weight:600}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl{overflow-x:auto}
label{display:block;margin:.4em 0 .1em;font-weight:600}
select,input[type=number],input[type=text]{font-size:1rem;padding:8px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);width:100%;max-width:320px}
.row{display:flex;flex-wrap:wrap;gap:12px}
.row>div{flex:1 1 220px}
.chip{display:inline-block;background:var(--chip);border-radius:999px;padding:2px 10px;font-size:.82rem;margin:2px}
canvas,video{max-width:100%}
.stage{position:relative;width:100%;background:#000;border-radius:10px;overflow:hidden}
.stage video,.stage canvas{display:block;width:100%;height:auto}
.stage canvas.overlay{position:absolute;left:0;top:0;width:100%;height:100%}
.status{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin:10px 0}
.status div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:.9rem}
.status b{display:block;font-size:1.05rem}
.progress{height:8px;background:var(--chip);border-radius:4px;overflow:hidden}.progress>div{height:100%;background:var(--accent);width:0}
ol li,ul li{margin:.25em 0}
footer{font-size:.8rem;color:var(--sub);margin:30px 0 10px}