:root{--color-bg:#f6f6f4;--color-surface:#fff;--color-text:#1f2328;--color-text-muted:#5b6168;--color-border:#d6d8db;--color-primary:#3d5a80;--color-primary-text:#fff;--color-warn-bg:#fff6e5;--color-warn-border:#e0b252;--color-notice-bg:#eef4fb}*{box-sizing:border-box}body{background:var(--color-bg);color:var(--color-text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif}.page{max-width:560px;margin:48px auto;padding:0 16px}.title{margin:0 0 24px;font-size:1.4rem;font-weight:700}.muted{color:var(--color-text-muted)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:20px}.card-warn{background:var(--color-warn-bg);border-color:var(--color-warn-border)}.notice{background:var(--color-notice-bg);border-radius:6px;padding:8px 12px}.btn{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer;border-radius:6px;padding:8px 16px;font-size:.95rem;font-weight:600;display:inline-block}.btn:hover{border-color:var(--color-text-muted)}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-text)}.profile{grid-template-columns:6em 1fr;gap:8px 12px;margin:0 0 16px;display:grid}.profile dt{font-weight:700}.profile dd{margin:0}