.sub4_c1_box3{flex-wrap: wrap}
.sub4_c1_box3>div{width:49.5%;margin:0 1% 1% 0}
.sub4_c1_box3>div:nth-child(2n){margin:0 0 1% 0;}



@media screen and (min-width:768px){
    
    .sub4_c1_box3{flex-wrap: wrap}
.sub4_c1_box3>div{width:24.2%;margin:0 1% 1% 0}
.sub4_c1_box3>div:nth-child(2n){margin:0 1% 1% 0;}
    .sub4_c1_box3>div:nth-child(4n){margin:0 0 1% 0;}
    

}