.mainImg_wrap {
	max-width: 100%;
	padding-top:130.2%;
	position: relative;
	overflow: hidden;
}
.mainImg_wrap .mainImg_box {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
}
.noslider > div {
	display: none;
}
.noslider > div:first-child {
	display: block;
}
.noslider > div:first-child img {
	width: 100%;
	height: auto;
}

/* 横幅一杯の場合 */
	@media only screen and (min-width: 960px){
	.mainImg_wrap {
		height: 0px;
		padding-top: 31.25%;
	}
}