body{margin:0;padding:0;background-color:#f0f0f0;font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif}@media print{body{background-color:#fff}.no-print,.controls{display:none!important}}.controls{padding:20px;background:#fff;border-bottom:1px solid #ccc;display:flex;justify-content:center;gap:20px;position:sticky;top:0;z-index:100}button{padding:10px 20px;font-size:16px;cursor:pointer;background-color:#007bff;color:#fff;border:none;border-radius:4px}button:hover{background-color:#0056b3}