#cont1 { display: none; }
#cont2 { display: block; }

#dtab1{
	height: 35px;
	width: 49.6%;
	float: left;
	border-right: 1px solid #cccccc;
	background-image: url("../images/sp/btn_thumbnail.png");
	background-position: center center;
	background-repeat: no-repeat;
	border-bottom: 1px solid #cccccc;
	background-size: 140px 28px;
}

#dtab2{
	height: 35px;
	width: 50%;
	float: left;
	background-image: url("../images/sp/btn_name_on.png");
	background-position: center center;
	background-repeat: no-repeat;
	border-bottom: 0px solid #cccccc;
	background-size: 140px 28px;
}

@media screen and (-webkit-min-device-pixel-ratio:2),
                  (min-resolution: 2dppx){
#dtab1 { background-image: url("../images/sp/btn_thumbnail@2x.png");
		background-size: 140px 28px; }
#dtab2 { background-image: url("../images/sp/btn_name_on@2x.png");
		background-size: 140px 28px;  }
}