@charset "utf-8";

@media screen and (min-width:641px){



#visual .item:nth-child(1) {background-image: url(https://www.tri-ace.co.jp/mtitems/2018/kv01.jpg);}


#visual .item:nth-child(2) {background-image: url(https://www.tri-ace.co.jp/mtitems/2018/kv02.jpg);}

}
@media screen and (min-width:1921px){
}
@media screen and (max-width:640px){




#visual .item:nth-child(1) {background-image: url(https://www.tri-ace.co.jp/mtitems/2018/kv01sp.jpg);}


#visual .item:nth-child(2) {background-image: url(https://www.tri-ace.co.jp/mtitems/2018/kv02sp.jpg);}


}