.sect_1 {
    background-image: url("../../../media/service/BG_shop.png");
    background-repeat: no-repeat;
    background-size: auto;
}

@media screen and (min-width: 1921px) {
    .sect_1 {
        background-image: url("../../../media/service/BG_shop_4K.png");
    }
}