.contHed {
    width: 100%;
    max-width: 100%;
}
.contHed_txt {
    max-width: 600px;
    margin: 0 auto 30px auto;
    font-weight: bold;
    font-family: 'UD Shin Go Midiam', sans-serif, inherit;
}
.maintenanceBox {
    padding: 25px 0;
    background-color: #fcfcfc;
    width: 100%;
    text-align: center;
}
.maintenanceBox::-webkit-scrollbar {
    width: 7px;
    height: 10px;
}
.maintenanceBox::-webkit-scrollbar-track {
    background: #fff;
}
.maintenanceBox::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius:5px;
}
.datetime_txt {
    color: #1D2088;
    font-weight: bold;
    font-family: 'UD Shin Go Midiam', sans-serif, inherit;
    font-size: 1.3rem;
    margin-bottom: 15px;
}
.line_txt {
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
    margin: 0 auto;
    color: #1D2088;
    font-weight: bold;
    font-family: 'UD Shin Go Midiam', sans-serif, inherit;
    font-size: 1.3rem;
    margin-bottom: 20px;
}
@media screen and (max-width: 767px) {
    .contHed {
        padding: 30px 4%;
    }
    .maintenanceBox {
        background: #fff;
    }
    .maintenanceBox_txt {
        font-size: 1.07rem;
    }
}