:root{--bg:#f4f5f7;--panel:#ffffff;--ink:#16181d;--muted:#5f6673;--line:#d9dde3;--accent:#1f5eff;--accent-ink:#ffffff;--ok:#157a3c;--ok-bg:#e4f5ea;--warn:#9a5b00;--warn-bg:#fff3d6;--bad:#b3261e;--bad-bg:#fde7e5;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.4;-webkit-text-size-adjust:100%}a{color:var(--accent)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;white-space:nowrap;text-decoration:none;color:var(--ink)}.topbar .who{color:var(--muted);font-size:13px;line-height:1.25;text-align:right}.wrap{max-width:640px;margin:0 auto;padding:16px}.wrap.wide{max-width:1100px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}h1{font-size:22px;margin:0 0 12px}h2{font-size:18px}h2,p{margin:0 0 10px}.muted{color:var(--muted)}.small,label{font-size:14px}label{display:block;font-weight:600;margin:10px 0 4px}input,select,textarea{width:100%;font:inherit;padding:12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:52px;padding:12px 16px;font:inherit;font-weight:700;border-radius:12px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);cursor:pointer;text-decoration:none;margin-top:10px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line)}.btn.danger{background:var(--bad);border-color:var(--bad)}.btn.inline{width:auto;min-height:40px;padding:8px 14px;margin-top:0}.row{display:flex;gap:10px;align-items:center}.row>*{flex:1 1}.notice{padding:12px 14px;border-radius:10px;margin:10px 0;font-weight:600}.notice.ok{background:var(--ok-bg);color:var(--ok)}.notice.warn{background:var(--warn-bg);color:var(--warn)}.notice.bad{background:var(--bad-bg);color:var(--bad)}.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:13px;font-weight:700}.pill.ok{background:var(--ok-bg);color:var(--ok)}.pill.warn{background:var(--warn-bg);color:var(--warn)}.pill.bad{background:var(--bad-bg);color:var(--bad)}.pill.muted{background:#eceef2;color:var(--muted)}.lines{list-style:none;margin:0;padding:0}.line{display:flex;justify-content:space-between;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;width:100%;text-align:left;font:inherit;cursor:pointer}.line:disabled{cursor:not-allowed;background:#f7f8fa;color:var(--muted)}.line .desc{font-weight:700}.steps{display:flex;gap:6px;margin-bottom:14px;font-size:13px;color:var(--muted)}.steps span{flex:1 1;text-align:center;padding:6px 0;border-bottom:3px solid var(--line)}.steps span.on{color:var(--accent);border-bottom-color:var(--accent);font-weight:700}.video-box{position:relative;width:100%;aspect-ratio:4/3;background:#000;border-radius:12px;overflow:hidden}.video-box canvas,.video-box img,.video-box video{width:100%;height:100%;object-fit:cover;display:block}.video-box .guide{position:absolute;inset:25% 8%;border:2px dashed rgba(255,255,255,.8);border-radius:8px;pointer-events:none}.code-big{font-size:44px;font-weight:800;letter-spacing:2px;text-align:center;padding:18px 0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}table.grid{width:100%;border-collapse:collapse;font-size:14px;background:#fff}table.grid td,table.grid th{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}table.grid th{background:#f0f2f5;font-weight:700}.thumb{width:56px;height:56px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}.nav{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.nav a{padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:600;font-size:14px}.nav a.on{background:var(--accent);color:#fff;border-color:var(--accent)}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:0 12px;gap:0 12px}@media (max-width:600px){.form-grid{grid-template-columns:1fr}table.grid{font-size:13px}}@media print{.no-print,.topbar{display:none!important}body{background:#fff}.card{border:none}}