.pc {
		display:none;
}
.sp {
	visibility:visible;
}
#wrapper {
    position: relative;
    width: 100%;
}
#wrapper:before {
    content:"";
    display: block;
    padding-top: 1200%;
}
#content {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}