@charset "utf-8";

body {
	margin: 0;
	padding: 0;
}
.back {
	position: fixed;
	bottom: 10px;
	right: 10px;
}
p {
	margin: 0;
}
.clearfix:before,
.clearfix:after {
	content: "";
	display: table;
}
.clearfix:after {
	clear: both;
}

.header {
	height: 50px;
	background: #999999;
}
.contents {
	width: 960px;
	margin: 0 auto;
}
.main {
	float: left;
	width: 740px;
	height: 1500px;
	background: #cccccc;
}
.nav-wrapper { /* .navの領域確保用 */
	float: right;
	width: 200px;
}
.nav {
	top: 0;
	width: 200px;
	background: #fff;
}
.nav.is-fixed {
	position: fixed;
}