:root{--bg: #eef2f7;--surface: #ffffff;--surface-2: #f8fafc;--text: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--primary: #4f46e5;--primary-dark: #4338ca;--primary-soft: #eef2ff;--risk-high: #b91c1c;--risk-high-bg: #fee2e2;--risk-high-border: #fca5a5;--risk-medium: #b45309;--risk-medium-bg: #fef3c7;--risk-medium-border: #fcd34d;--risk-low: #15803d;--risk-low-bg: #dcfce7;--risk-low-border: #86efac;--radius: 14px;--radius-sm: 9px;--shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Segoe UI,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3,p,dl,dd,ol,ul{margin:0}button{font-family:inherit;cursor:pointer}.app{min-height:100vh;display:flex;flex-direction:column}.layout{display:grid;grid-template-columns:348px minmax(0,1fr);gap:24px;max-width:1360px;width:100%;margin:0 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#cbd5e1;border-radius:var(--radius-sm);padding:22px 14px;text-align:center;background:var(--surface-2);transition:border-color .15s ease,background .15s ease;outline:none}.dropzone--over{border-color:var(--primary);background:var(--primary-soft)}.dropzone--disabled{opacity:.6;cursor:not-allowed}.dropzone__icon{font-size:30px;margin-bottom:6px}.dropzone__prompt{font-size:13px;color:var(--text-muted)}.dropzone__file{display:flex;flex-direction:column;gap:2px}.dropzone__filename{font-weight:700;font-size:13.5px;word-break:break-all}.dropzone__filesize{font-size:12px;color:var(--text-muted)}.uploader-note{font-size:11.5px;color:var(--text-muted);margin:10px 0 12px}.btn{border:1px solid transparent;border-radius:var(--radius-sm);padding:10px 14px;font-size:13.5px;font-weight:600;transition:transform .12s ease,box-shadow .12s ease,background .12s 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