@media screen and (max-width:768px) {
    footer {
        height: 17.33vw;
    }

    footer>div {
        width: 70.2vw;
        line-height: 3.73vw;
        flex-direction: column;
    }

    footer span {
        font-size: 2.4vw;
        white-space: nowrap;
    }

    footer .fix-line {
        height: 2.5vw;
        width: 48%;
        margin-left: 2%;
        display: inline-block;
    }
}