*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--blue-dark: #1a237e;--blue-primary: #1565c0;--blue-light: #e3f2fd;--bg: #f0f4f8;--text: #212121;--text-muted: #757575;--border: #e0e0e0;--white: #ffffff;--danger: #c62828;--success: #2e7d32}body{font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}button{font-family:inherit}a{color:var(--blue-primary);text-decoration:none}h1{font-size:20px;font-weight:700}.card{background:var(--white);border-radius:8px;padding:24px;box-shadow:0 1px 4px #0000001a}.btn-primary{background:var(--blue-primary);color:var(--white);border:none;border-radius:4px;padding:8px 18px;cursor:pointer;font-size:14px}.btn-primary:hover{background:#0d47a1}.btn-secondary{background:var(--white);color:var(--blue-primary);border:1px solid var(--blue-primary);border-radius:4px;padding:8px 18px;cursor:pointer;font-size:14px}.btn-danger{background:var(--danger);color:var(--white);border:none;border-radius:4px;padding:8px 18px;cursor:pointer;font-size:14px}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}th{background:var(--blue-light);color:var(--blue-primary);font-weight:600;font-size:13px}tr:hover td{background:#f5f5f5}