@charset "UTF-8";

@media print, screen and (min-width: 768px) {
    /* 全体の構成 */

    main:before {
        content: "";
        display: block;
        position: fixed;
        top: 100px;
        left: 0;
        width: 100%;
        height: 100vh;
        /*　background: url(../img/topics_240000_00_bg.jpg) top center no-repeat;　*/
        background-size: cover;
    }
    footer{
        position: relative;
    }
}