:root{color-scheme:light;--ink:#152238;--muted:#667085;--line:#d9e2ec;--surface:#fff;--bg:#f3f6f9;--accent:#145c52;--accent2:#d9eee9;--danger:#b42318}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans JP",system-ui,sans-serif;line-height:1.6}.site-header{min-height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 4vw;background:#102a43;color:#fff}.brand,.site-header a{color:#fff;text-decoration:none}.brand{font-weight:750}.site-header nav{display:flex;align-items:center;gap:20px}.site-header form{margin:0}.link-button{border:0;background:transparent;color:#fff;padding:0;font:inherit;cursor:pointer}.container{width:min(1120px,92vw);margin:42px auto}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}h1,h2{line-height:1.25;margin:0 0 16px}h1{font-size:clamp(1.7rem,4vw,2.4rem)}h2{font-size:1.2rem}.eyebrow{color:var(--accent);font-size:.75rem;font-weight:800;letter-spacing:.14em;margin:0 0 6px}.grid{display:grid;gap:18px}.metrics{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 8px 28px rgba(16,42,67,.06)}.card span,.card small{display:block;color:var(--muted)}.card strong{display:block;font-size:2rem;margin-top:8px}.section{margin-top:22px}.badge{display:inline-block;border-radius:999px;background:#e8eef4;padding:4px 10px;font-size:.78rem;font-weight:750}.badge.safe{background:var(--accent2);color:var(--accent)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:.78rem;color:var(--muted)}.auth-card{width:min(440px,100%);margin:10vh auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px}.stack{display:grid;gap:18px}.stack label{font-weight:700}.stack input{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid #aebdca;border-radius:8px;font:inherit}.button{border:0;border-radius:8px;padding:12px 16px;background:var(--accent);color:#fff;font-weight:750;cursor:pointer}.notice{padding:12px;border-radius:8px;margin:12px 0}.notice.error{background:#fee4e2;color:var(--danger)}.small-button{padding:8px 10px;white-space:nowrap}.dialogue-thread{display:grid;gap:16px}.dialogue-message{max-width:88%;padding:20px;border-radius:14px;border:1px solid var(--line);background:#fff}.dialogue-user{margin-left:auto;background:#e8f2ff}.dialogue-assistant{margin-right:auto}.dialogue-message header{display:flex;justify-content:space-between;gap:24px;color:var(--muted)}.dialogue-message header strong{color:var(--ink)}.message-content{font-size:1.02rem}.evidence-list{display:grid;gap:10px}.evidence{border-left:4px solid var(--accent);padding:8px 12px;background:#f5faf8}.evidence p{margin:4px 0}.period-fields{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:16px}.period-fields input,.stack textarea{display:block;width:100%;margin-top:6px;padding:11px 12px;border:1px solid #aebdca;border-radius:8px;font:inherit}.draft-card{border:1px solid var(--line);border-radius:10px;padding:16px;margin-top:12px}.draft-card pre{overflow:auto;background:#f6f8fa;padding:10px;border-radius:8px}@media(max-width:700px){.site-header{align-items:flex-start;gap:12px;padding-block:14px}.site-header nav{flex-wrap:wrap;gap:10px 16px}.container{margin-top:26px}th,td{padding:9px}.page-heading{align-items:flex-start}.dialogue-message{max-width:100%}.period-fields{grid-template-columns:1fr}}