#top_info .scroll {
    overflow-y: scroll;
    height: 500px;
}
@media only screen and (max-width: 768px){
  #top_info .scroll {
	  height:auto;
      max-height: 700px;
  }
}
#top_info .news dl dt {
  display: none;
}
#top_info .news dl,
#top_info .news dd {
  width: 100% !important;
}