:root{--bg:#0f1720;--panel:#fff;--ink:#1a2330;--muted:#6b7785;--line:#e2e7ec;--brand:#b4541e;--brand-dark:#8c3f14;--brand-soft:#fbeee5;--warn:#b54708;--warn-bg:#fff7ed;--ok:#15803d;--ok-bg:#f0fdf4;--danger:#b42318}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f4f6f8,#eef1f4);line-height:1.7;-webkit-font-smoothing:antialiased}.wrap{max-width:1080px;margin:0 auto;padding:0 16px 80px}header.hero{background:linear-gradient(135deg,var(--brand) 0,var(--brand-dark) 100%);color:#fff;padding:28px 16px 30px;margin-bottom:24px}header.hero .inner{max-width:1080px;margin:0 auto}header.hero h1{margin:0 0 8px;font-size:22px;font-weight:700;letter-spacing:.01em}header.hero p{margin:0;font-size:13.5px;opacity:.92}.badges{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}.badge{font-size:11.5px;background:hsla(0,0%,100%,.16);border:1px solid hsla(0,0%,100%,.3);padding:3px 9px;border-radius:999px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 18px 20px;margin-bottom:18px;box-shadow:0 1px 2px rgba(16,24,40,.04)}.card h2{margin:0 0 4px;font-size:16px;display:flex;align-items:center;gap:8px}.card .step{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700}.card .hint{margin:0 0 14px;color:var(--muted);font-size:12.5px}.grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}.grid.three{grid-template-columns:repeat(3,1fr)}@media (max-width:720px){.grid,.grid.three{grid-template-columns:1fr}}label.field{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--muted)}label.field span.req{color:var(--danger);margin-left:2px}input,select,textarea{font:inherit;font-size:13.5px;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}.seg button{border:none;background:#fff;padding:8px 16px;font:inherit;font-size:13px;cursor:pointer;color:var(--muted)}.seg button.active{background:var(--brand);color:#fff}.material-row{border:1px solid var(--line);border-radius:10px;padding:12px;margin-bottom:10px;background:#fcfdfe}.material-row .row-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.material-row .row-head .lvl{font-size:11.5px;font-weight:700;padding:2px 8px;border-radius:999px}.lvl-1{background:#fee4e2;color:#b42318}.lvl-2{background:#fef0c7;color:#b54708}.lvl-3{background:#e0f2fe;color:#026aa2}button.btn{font:inherit;font-weight:600;font-size:14px;border:none;border-radius:10px;padding:11px 18px;cursor:pointer;transition:filter .15s}button.btn:hover{filter:brightness(.95)}button.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);color:#fff}.btn-ghost{background:#fff;color:var(--brand-dark);border:1px solid var(--brand)}.btn-sm{font-size:12.5px;padding:6px 12px;border-radius:8px}.doc-pick{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px;cursor:pointer}.doc-pick.on{border-color:var(--brand);background:var(--brand-soft)}.doc-pick input{width:auto;margin-top:3px}.doc-pick .t{font-size:13.5px;font-weight:600}.doc-pick .d{font-size:11.5px;color:var(--muted)}.notice{border-radius:10px;padding:11px 13px;font-size:12.5px;margin-bottom:12px}.notice.warn{background:var(--warn-bg);color:var(--warn);border:1px solid #fed7aa}.notice.ok{background:var(--ok-bg);color:var(--ok);border:1px solid #bbf7d0}.notice.info{background:#f1f5f9;color:#334155;border:1px solid #e2e8f0}.result-doc{border:1px solid var(--line);border-radius:10px;margin-bottom:14px;overflow:hidden}.result-doc .rh{display:flex;align-items:center;justify-content:space-between;background:#f8fafc;padding:10px 13px;border-bottom:1px solid var(--line)}.result-doc .rh .tt{font-size:13.5px;font-weight:700}.result-doc pre{margin:0;padding:14px;white-space:pre-wrap;word-break:break-word;font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,monospace;font-size:12.5px;line-height:1.85;color:var(--ink);background:#fff;max-height:460px;overflow:auto}.judge-box{border-radius:10px;padding:14px;margin-bottom:14px}.judge-box.req{background:var(--warn-bg);border:1px solid #fed7aa}.judge-box.noreq{background:#f1f5f9;border:1px solid #e2e8f0}.judge-box h3{margin:0 0 8px;font-size:14px}.judge-box ul{margin:6px 0 0;padding-left:18px;font-size:12.5px}.foot{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);font-size:11.5px;color:var(--muted)}.foot a{color:var(--brand-dark)}.row-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:8px}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;z-index:50;box-shadow:0 6px 20px rgba(0,0,0,.25)}