.box > ul{
	margin : 0;
	padding : 0;
	list-style:none;
	background-color:#f5911e;
	position:relative;
	overflow:hidden;
}
.box > ul > li{
	width: 100%;
	margin : 0;
	padding : 0;
	position:relative;
}
.box > ul > li > a{
	width: 240px;
	margin:0 auto;
	padding : 0;
	position:relative;
	display : block;
	transition : 0.5s;
}
.box > ul > li > a > img{
	width: 100%;
}
.box > ul > li:nth-child(2){
	margin:0 auto 60px auto;
	background-image: url('../i/top_concept_back.jpg');
	background-size: cover;
	background-position: 0 0;
	background-repeat: no-repeat;
	transition : 0.5s;
}
.box > ul > li:nth-child(2) > div{
	width: 720px;
	margin:30px auto;
	padding : 0;
	background: rgba(255, 255, 255, 0.8);
	display: inline-block;
	transition : 0.5s;
}
.box > ul > li:nth-child(2) > div > img{
	width: 540px;
	margin:0 auto;
	padding : 0;
	transition : 0.5s;
}
.box > ul > li:nth-child(3) > div{
	width: 100%;
	height : 30px;
	margin:35px 0;
	padding : 0;
	background-image: url('../i/b_stripe_a.png');
	background-position: 0 0;
	background-repeat: repeat;
	position:absolute;
	display : block;
	transition : 0.5s;
}

@media (max-width: 1020px) {
	.box > ul > li:nth-child(2){
		margin:0 auto 0 auto;
	}
	.box > ul > li:nth-child(2) > div{
		width: 93vw;
		max-width: 720px;
		margin:10px auto;
	}
	.box > ul > li:nth-child(2) > div > img{
		width: 100%;
		max-width: 540px;
	}
	.box > ul > li > a{
		width: 40vw;
		max-width: 240px;
	}
	.box > ul > li:nth-child(3) > div{
		filter : alpha(opacity=0);
		-webkit-opacity : 0.00;
		-moz-opacity : 0.00;
		-o-opacity : 0.00;
		-ms-opacity : 0.00;
		opacity : 0.00;
	}
}