@media (max-width:769px) and (min-width:469px) {
    .about-2-page-center {
        display: flex;
        flex-direction: column-reverse;
    }

    .left-01 {
        width: 98%;
        margin: 0 auto;
    }

    .right-01 {
        width: 100%;
        margin: 0 auto;
    }

    .etab-page-center {
        display: flex;
        flex-direction: column;
    }

    .left-02 {
        width: 100%;
        margin: 0 auto;
    }

    .right-02 {
        width: 98%;
        margin: 0 auto;
    }

    .right-02 button {
        width: 40%;
    }

    .gallery-page-center {
        display: flex;
        flex-direction: column;
    }
    .gallery-page-center .gallery-child{
        width: 100%;
    }

    .gallery-child {
        width: 100%;
    }
    .slider-pagecenter{
        text-align: center;
    }
    .slider-pagecenter .item{
        width: 100%;
        margin: 0 auto;
    }
    .video-page-center{
        display: flex;
        flex-direction: column;
    }
    .video-child{
        width: 100%;
        margin: 0 auto;
    }
    .video-child video{
        width: 100%;
        height: 100%;
    }
}

@media (max-width:469px) and (min-width:240px) {
    .about-2-page-center {
        display: flex;
        flex-direction: column-reverse;
    }

    .left-01 {
        width: 98%;
        margin: 0 auto;
    }

    .right-01 {
        width: 100%;
        margin: 0 auto;
    }

    .etab-page-center {
        display: flex;
        flex-direction: column;
    }

    .left-02 {
        width: 100%;
        margin: 0 auto;
    }

    .right-02 {
        width: 98%;
        margin: 0 auto;
    }

    .right-02 button {
        width: 40%;
    }

    .gallery-page-center {
        display: flex;
        flex-direction: column;
    }

    .gallery-page-center .gallery-child{
        width: 100%;
    }
    .video-page-center{
        display: flex;
        flex-direction: column;
    }
    .video-child{
        width: 100%;
        margin: 0 auto;
    }
    .video-child video{
        width: 100%;
        height: 100%;
    }



}