.top_bg{
	background: url(../images/sw_bg02.jpg) no-repeat;
	position: static;
	margin: 0 auto;
	background-size: 100%;
	background-attachment: fixed;
	background-size: cover;
}
.body{
	width: 100%;
	height: 1080px;
}
/*本文*/
.contentsarea{
	height: 864px;
	margin-right: auto;
	margin-left: auto;
	text-align: center;
	width: 1080px;
	top: 40px;
	position: relative;
	margin-bottom: 600px;
}
#logo_o{
	position: relative;
	left: 3.6px;
	top: 0%;
	margin-left: 3.4%;
	margin-top: 1.7%;
}