.contents_etsu {
	width: 816px;
	position: relative;
	margin-right: auto;
	margin-left: auto;
	height: 750px;
	background-color: #FFFFFF;
	background-position: center;
	background-repeat: no-repeat;
}
.contents_etsu2 {
	width: 816px;
	position: relative;
	margin-right: auto;
	margin-left: auto;
	height: 1200px;
	background-color: #FFFFFF;
	background-position: center;
	background-repeat: no-repeat;
}