@charset "utf-8";

* {
	margin: 0;
	padding: 0;
}

body > h1 {
	margin: 0 auto;
	padding: 0.3em;
	font-size: 30px;
	background: #333;
	color: #fff;
}

body > h2 {
	margin: 1.5em auto 0.5em;
	width: 900px;
	font-size: 30px;
	background: #ccc;
}

.nav {
	margin: 0 auto;
	width: 1080px;
	text-align: center;
}

.nav li {
	display: inline-block;
	color: #a0a0a0;
	text-align: center;
	width: 24%;
	cursor: pointer;

}

.nav li.off {

}

.nav .on p {
    border-bottom: 1px solid #d2d1d1;
    display: inline-block;
}


[class*=_assist] {
    margin: 0.5em auto;
    width: 1080px;
    height: 1em;
    position: relative;
    z-index: 999;
}

[class*=_assist] > * {
	list-style-type: none;
}

[class*=_assist] .prev {
	position: absolute;
	top: 130px;
	left: 30px;
	width: 10px;
    height: 20px;
    cursor: pointer;
}
[class*=_assist] .next {
	position: absolute;
	top: 130px;
	right: 30px;
	width: 10px;
    height: 20px;
    cursor: pointer;
}

[class*=main]:not(ul) {
    margin: 0 auto;
    width: 960px;
    height: 340px;
    position: relative;
    overflow: hidden;
}

[class*=main]:not(ul) h2 {
	font-size: 80px;
	line-height: 130px;
	text-align: center;
}

[class*=main]:not(ul) a {
	text-decoration: underline;
}

[class*=main] section {
	height: 130px;
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
}

[class*=main] section:nth-child(1) {

}
[class*=main] section:nth-child(2) {

}
[class*=main] section:nth-child(4) {

}


[class*=main] section.off {
	/*display: none;*/
}

[class*=main] section.on {
	/*display: block;*/
	z-index: 1;
}