.bg-pool{background:url(../img/common/img_pool03.gif) no-repeat 100% 100%;min-height: 640px;}

@media screen and (max-width: 768px) {
	.bg-pool {min-height: 660px;}
}
@media screen and (max-width: 480px) {
	.bg-pool{background-size: 100%;min-height: 715px;}
}
@media screen and (max-width: 380px) {
	.bg-pool{background-size: 100%;min-height: 830px;}
}