.news .main_visual_title {
    background: url(../images/news/news_bg01_1.jpg) no-repeat top center / 1920px, #FFF;
}

@media(max-width: 768px) {
    .news .main_visual_title {
        background: url(../images/news/news_bg_sp01_1@2x.jpg) no-repeat top center / contain, #FFF;
    }
}