/*=============================================
 * <main>
 *=============================================*/

main {
	clear: both;
	width: 100%;
	position: relative;
	overflow: hidden;
}

/*=============================================
 * <header>
 *=============================================*/
/*=============================================
 * key
 *=============================================*/

#key {
	background-repeat: no-repeat;
	background-position: center top;
	background-size: cover;
	/*min-height: 780px;*/
	min-height: 200px;
	position: relative;
	margin-top:46px;
}
#key ul {
	min-height: inherit;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;height: 200px;
}
#key li {
	background-repeat: no-repeat;
	background-position: center top;
	background-size: cover;
	min-height: inherit;
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
}