#main_container {
	width: 800px;
	margin-right: auto;
	margin-left: auto;
	position: relative;
}
#header {
	height: 50px;
	width: 100%;
	position: relative;
	background-color: #FFFFFF;
}
#header_left {
	height: 50px;
	width: 50%;
	float: left;
}
#header_right {
	height: 50px;
	width: 50%;
	position: relative;
	float: left;
}
#container {
	position: relative;
	width: 800px;
}
#footer {
	width: 800px;
	position: relative;
	background-color: #FFFFFF;
}
#copy_right {
	font-family: "ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 10px;
	color: #000000;
}