螟門?縺ｮ隕∫ｴ?縺ｫoverflow:auto;繧呈欠螳壹＠縺ｦ縺?◆蝣ｴ蜷?/title> <style type="text/css"> p{margin:0;padding:0;} #container { height:150px; border:1px solid #000; overflow:auto; position:relative; } #left { float:left; width:100px; height:300px; background-color:#ccc; } #right { float:left; width:100px; height:300px; background-color:#f00; position:relative; top:0; left:100px; } </style> </head> <body> <div id="container"> <p id="left">蟾ｦ<br /> 縺ｮ<br /> 繧ｨ<br /> 繝ｪ<br /> 繧｢</p> <p id="right">蜿ｳ<br /> 縺ｮ<br /> 繧ｨ<br /> 繝ｪ<br /> 繧｢</p> </div> </body> </html>