main {
    background-image: image-set(url(../img/leaf-bg_sp@2x.png) 2x,
            url(../img/leaf-bg_sp@3x.png) 3x,
            url(../img/leaf-bg_sp@4x.png) 4x);
}

.consul-area {
    background-image: image-set(url(../img/formlink-leaf_sp@2x.png) 2x,
            url(../img/formlink-leaf_sp@3x.png) 3x,
            url(../img/formlink-leaf_sp.png) 4x);
}