@media screen and (max-width: 768px){
    .img_sp_1{
        width: 100% !important;
    }

    .img_sp_2{
        margin-top: 0px !important;
    }
}
@media screen and (min-width: 769px){
    .img_sp_1{
        width: 50% !important;
        margin: auto;
    }

    .img_sp_2{
        margin-top: 0px !important;
    }
}