.pc {
    display: block;
}

.phone {
    display: none;
}

@media (max-width: 767px) {
    .pc {
        display: none !important;
    }

    .phone {
        display: block !important;
    }

    nav {
        padding: 0;
    }

    .gsName {
        font-size: 25px;
        text-align: center;
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px #8b8b8b solid;
    }

    .nav-title {
        width: 50%;
        margin: 0;
    }

    .nav-title {
        text-align: center;
    }

    #visits {
        width: 50%;
        height: auto;
        line-height: normal;
    }

    .bk2 {
        display: none;
    }

    .bk4>.container>.row>.col-md-6>div {
        padding: 25px 15px;
        margin: 5px 0;
    }
}