.goro_img{
    float:right;
    margin:0 20px;
    width:150px;
}
.goro_img_sp{
    display: none;
}
@media only screen and (max-width : 480px){
    .goro_img{
        display: none;
    }
    .goro_img_sp{
        float:right;
        width:40%;
        display: block;
    }
}