#main-visual .left {
	width: 100%;
	height: 100%;
	top: 0;
	left: 0
}

@media screen and (max-width:480px) {
#main-visual .left {
	width: 100%;
	height: 100%
}
}

#main-visual .left {
	overflow: hidden;
	position: absolute;
	
}
#main-visual .left div{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-size: cover;
	background-position: center top;
}
#main-visual .left div.show, #main-visual .right div.show {
	opacity: 1
}
#main-visual .tb-1 {
	position: relative
}