/*レイアウト*/
#header {
	margin-bottom: 10px;
}
#content {
	width: 98%;
	position: relative;
}
#main {
	margin-left: 210px;
	margin-right: 10px;
}
#side_left {
	position: absolute;
	left: 10px;
	top: 0px;
	width: 180px;
}