#top_contents{
	width:970px;
	margin:0 auto 20px;
	
}
#main_image{
	width:740px;
	height:280px;
	float:left;
}
#news{
	width:190px;
	height:220px;
	padding:50px 10px 10px;
	float:right;
	background:url('images/bg_news.png') no-repeat;
}
#news dl{
	height:220px;
	overflow:auto;
}
#news dt{
	font-weight:bold;
}
#news dd{
	margin:0 0 5px 0;
	padding:0 0 5px 0;
	border-bottom:1px dotted #999;
}
#osusume{
	height:32px;
	margin:0 0 20px 0;
	text-indent:-9999px;
	background:url('images/h2_osusume.png') no-repeat;
}