/*レイアウト*/
#header {
	margin-bottom: 10px;
}
#content {
	width: 100%;
	position: relative;
}
#main {
	margin-left: 220px;
	margin-right: 220px;
}
#side_left {
	position: absolute;
	left: 10px;
	top: 0px;
	width: 200px;

}
#side_right {
	position: absolute;
	right: 10px;
	top: 0px;
	width: 200px;

}