.pcex_scroll{
	background-image: url("../img/about_img3.png");
	background-attachment:fixed;
	background-size: cover;
	width:100%;
	height: auto;
	}

.top_list{
	margin:0;
	padding:0;
	max-width:1600px;
	}

.top_list ul{
	margin:0;
	padding:0;
	list-style:none;

	}

.top_list li{
	width: 100%;
	padding:0 0 3% 0;
	margin: 0;
	}