/* responsive bg */
@media (max-device-width : 667px) {
    .centerbg {
        background: url("https://img.2eka.cloud/api/random?type=pe");
    }
}

@media (min-device-width : 667px) {
    .centerbg {
        background: url("https://img.2eka.cloud/api/random?type=pc");
    }
}

.sakurasono {
    white-space: nowrap;
    font-size: 23px;
}