:root{--fg: #1d232b;--muted: #5b6776;--bg: #f3f4f7;--card: #fff;--line: #d9dee5;--accent: #1f6feb;--danger: #c62828;--warn-bg: #fff4d6;--warn-line: #e0a800;--strong-bg: #fde2e1;--ok-bg: #e5f6e8;--ok-line: #3c9a51;--user: #1f6feb;--shopper: #8a4fd8;--escrow: #c36a00;--operator: #117a65;--coordinator: #6d4c41;--lab: #555f6d;--chain: #37474f;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0}h3{font-size:15px;margin:14px 0 6px}header.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 20px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{display:flex;flex-direction:column;margin-right:auto}.scenario-picker select{min-width:280px}.lang-switch{display:flex;align-items:center;white-space:nowrap}.mock-switch{white-space:nowrap}.mock-switch.selected{border-color:var(--shopper);color:var(--shopper);font-weight:600}.columns{display:grid;grid-template-columns:minmax(300px,380px) 1fr;gap:16px;padding:16px 20px;align-items:start}@media(max-width:900px){.columns{grid-template-columns:1fr}}main{min-width:0}.guide{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;position:sticky;top:76px;max-height:calc(100vh - 92px);overflow:auto}.guide h2{margin:0 0 6px;font-size:18px}.steps{list-style:none;padding:0;margin:12px 0 0}.step{padding:6px 0;border-bottom:1px dashed var(--line)}.step-head{display:flex;align-items:center;gap:6px}.step .mark{width:16px;text-align:center;color:var(--muted)}.step.done .mark{color:var(--ok-line);font-weight:700}.step.done .step-title{color:var(--muted)}.step.pending{opacity:.6}.step.current .mark{color:var(--accent)}.step.current .step-title{font-weight:700}.current{margin:8px 0 4px 22px;padding:10px 12px;border-left:3px solid var(--accent);background:#f4f8ff;border-radius:0 8px 8px 0}.current p{margin:0 0 8px;font-size:14px;line-height:1.55}.current .progress{color:#1a3d8f;font-size:13px}.role-badge{display:inline-block;padding:1px 8px;border-radius:999px;color:#fff;font-size:11px;white-space:nowrap}.role-user{background:var(--user)}.role-shopper{background:var(--shopper)}.role-escrow{background:var(--escrow)}.role-operator{background:var(--operator)}.role-coordinator{background:var(--coordinator)}.role-lab{background:var(--lab)}.role-chain{background:var(--chain)}.tabs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}.tab{border-radius:8px 8px 0 0;border-bottom:none;background:#e9ecf1}.tab.active{background:var(--card);font-weight:700;border-color:var(--line)}.next-dot{color:var(--accent);margin-left:6px;font-size:10px;vertical-align:middle}.role-about{margin:0 0 12px;color:var(--muted);font-size:13px}.guide-highlight{outline:3px solid #ffb300;outline-offset:3px;border-radius:6px;transition:outline-color .3s}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:14px}.card h2{margin:0 0 10px;font-size:17px}.note,.explain{color:#3b4654;font-size:13px;line-height:1.6;background:#f7f8fa;border-radius:8px;padding:8px 10px;margin:0 0 10px}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;flex:1;min-width:160px}.field>span{font-size:13px;color:var(--muted)}input,select,textarea{font:inherit;padding:6px 9px;border:1px solid var(--line);border-radius:6px;background:#fff;width:100%}input[type=checkbox],input[type=radio]{width:auto}button{font:inherit;padding:6px 13px;border-radius:6px;border:1px solid var(--line);cursor:pointer;background:#fff}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{background:var(--danger);border-color:var(--danger);color:#fff}button.small{padding:2px 8px;font-size:12px}button.selected{border-color:var(--accent);background:#e8f0fe}button:disabled{opacity:.55;cursor:default}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row>input,.row>select{flex:1;min-width:120px}.presets{margin-bottom:10px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}@media(max-width:700px){.grid2{grid-template-columns:1fr}}.mono{font-family:ui-monospace,monospace;font-size:12px;word-break:break-all}.muted{color:var(--muted)}.small{font-size:12px}.error{color:var(--danger);white-space:pre-wrap;font-size:13px}.warn-text{color:#9a6700}.center{text-align:center;padding:40px}.action{display:inline-flex;flex-direction:column;gap:4px}.banner{padding:9px 13px;border-radius:8px;margin:8px 0;border:1px solid var(--line);font-size:14px}.banner.warn{background:var(--warn-bg);border-color:var(--warn-line)}.banner.strong{background:var(--strong-bg);border-color:var(--danger);font-weight:600}.banner.ok{background:var(--ok-bg);border-color:var(--ok-line)}.banner.mock{background:#efe7fb;border-color:var(--shopper);font-weight:600}.mock-list{margin:4px 0;padding-left:20px;font-size:13px;line-height:1.5}.mock-list li{margin:3px 0}.banner.error{background:var(--strong-bg);border-color:var(--danger)}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:5px 8px;border-bottom:1px solid var(--line);vertical-align:top}tr.selected td{background:#eef4ff}.badge{display:inline-block;padding:1px 8px;border-radius:999px;background:#e8eefc;color:#1a3d8f;font-size:12px;margin-left:4px}.badge.ok{background:var(--ok-bg);color:#1d5e2c}.timeline{list-style:none;padding:0;margin:0;font-size:13px}.timeline li{padding:5px 0;border-bottom:1px dashed var(--line)}.timeline time{color:var(--muted);font-size:12px;margin-right:8px}.offer{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:6px 0;cursor:pointer}.offer.selected{border-color:var(--accent);box-shadow:0 0 0 2px #1f6feb33}.identity p{margin:4px 0;font-size:13px}.copyable{display:inline-flex;gap:6px;align-items:center}.evidence-image{max-width:420px;display:block;border:1px solid var(--line);margin:6px 0}.modal-backdrop{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:20;padding:16px}.modal{max-width:560px;width:100%;margin:0}