body::before {
    display: block;
    content: '';
    position: absolute;
    height: 100vh;
    width: 100%;
    background: url(../img/main_bg.jpg);
    background-position: left;
    background-size: cover;
    z-index: -9999;
    position: fixed;
}

.detail-tbl thead {
    color: #fff;
}

.detail-tbl thead .sat,
.detail-tbl thead .sun {
    color: #fff;
}

.detail-tbl tr td {
    background: #fff;
}

@media (max-width : 769px) {

    .detail-tbl tr th+th,
    .detail-tbl tr td+td {
        border-top: none;
    }
}

@media screen and (min-width: 801px) {
    .visual-logo {
        background-size: contain;
        padding: 25% 0;
    }

    .weekly-schedule li a,
    .weekly-schedule .sat a,
    .weekly-schedule .sun a,
    .weekly-schedule li a.current {
        color: #fff;
    }
}