:root{--bg: #f6f7f9;--card: #fff;--line: #dfe3e8;--text: #1f2937;--muted: #6b7280;--accent: #1d4ed8;--accent-bg: #eff6ff;--warn-bg: #fff7ed;--warn: #c2410c;--danger: #b91c1c;--ok: #047857;--calc-bg: #f8fafc;--override-bg: #fef9c3}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border-radius:6px;border:1px solid var(--line);background:#fff;padding:6px 12px;color:var(--text)}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.danger{color:var(--danger);border-color:#fecaca}button:disabled{opacity:.5;cursor:default}input,select,textarea{font:inherit;padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);width:100%}input[type=number]{text-align:right}input.override{background:var(--override-bg)}input:focus,select:focus{outline:2px solid #bfdbfe;border-color:var(--accent)}.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.topbar .brand{font-weight:700;font-size:16px;color:var(--text)}.topbar nav a{margin-right:12px}.topbar .spacer{flex:1}.topbar .me{color:var(--muted)}.rate-chip{background:var(--accent-bg);color:var(--accent);border-radius:999px;padding:3px 10px;font-size:12px}.page{max-width:1400px;margin:0 auto;padding:16px 20px 60px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}.card h2{margin:0 0 12px;font-size:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.grow{flex:1}.muted{color:var(--muted)}.small{font-size:12px}.right{text-align:right}.mono{font-variant-numeric:tabular-nums}.alert{padding:10px 14px;border-radius:8px;margin-bottom:12px;border:1px solid}.alert.error{background:#fef2f2;border-color:#fecaca;color:var(--danger)}.alert.warn{background:var(--warn-bg);border-color:#fed7aa;color:var(--warn)}.alert.ok{background:#ecfdf5;border-color:#a7f3d0;color:var(--ok)}.alert.info{background:var(--accent-bg);border-color:#bfdbfe;color:var(--accent)}table.grid{width:100%;border-collapse:collapse;font-size:13px}table.grid th,table.grid td{border-bottom:1px solid var(--line);padding:6px 8px;white-space:nowrap}table.grid th{background:#f3f4f6;text-align:left;font-weight:600}table.grid th.num,table.grid td.num{text-align:right;font-variant-numeric:tabular-nums}table.grid tr:hover td{background:#f9fafb}table.grid td.hl{background:var(--accent-bg);font-weight:600}.table-wrap{overflow-x:auto}.badge{display:inline-block;font-size:11px;padding:1px 6px;border-radius:4px;background:var(--override-bg);color:#854d0e;margin-left:4px}.badge.admin{background:#ede9fe;color:#5b21b6}.badge.off{background:#f3f4f6;color:var(--muted)}.editor{display:grid;grid-template-columns:minmax(360px,1fr) minmax(360px,1fr);gap:16px}@media(max-width:960px){.editor{grid-template-columns:1fr}}.fields{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:2px}.field.full{grid-column:1 / -1}.calc-table td:first-child{color:var(--muted)}.calc-table td:last-child{text-align:right;font-variant-numeric:tabular-nums}.calc-table tr.total td{font-weight:700;font-size:15px;background:var(--calc-bg)}.section-title{font-size:13px;color:var(--muted);margin:12px 0 4px;text-transform:none;letter-spacing:0}.chain{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.chain .step{background:var(--calc-bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px}.chain .step .label{font-size:11px;color:var(--muted)}.chain .step .value{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}.chain .step .sub{font-size:11px;color:var(--muted)}.solver{background:var(--accent-bg);border:1px solid #bfdbfe;border-radius:8px;padding:12px}.solver .result{font-size:22px;font-weight:700;color:var(--accent)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#ffffff8c;display:flex;align-items:center;justify-content:center;z-index:50}.spinner{width:28px;height:28px;border:3px solid #cbd5e1;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:10px}.login{max-width:420px;margin:80px auto;text-align:center}.login h1{font-size:22px}