body{
	color: #333;
}

.main_visual{
	width: 80%;
	
	float: right;
	
	background-color: #f4f4f4;
	
	height: 2000px;
}

.header_fix{
	width: 20%;
	float: left;
}

.fixed{
	position:fixed;
	top:30px;
}