.t-intro-1 {
    margin: 60px 0 90px;
    column-gap: 40px;
}

#ChairImageRowAll {
    margin-left: 0;
    align-items: center;
    justify-content: center;
    position: relative;
}

#ChairImageRowAll .swiper-slide {
    height: auto;
    overflow: hidden;
}

#ChairImageRowAll .swiper-slide img {
    width: 100%;
    max-width: 320px;
    object-fit: contain;
    display: flex;
}

@media screen and (max-width: 1199px) {
    .t-intro-1 {
        margin: 0 0 90px;
    }
    
    #ChairImageRowAll .chairImageSize {
        background-size: contain !important;
    }

    #ChairImageRowAll .swiper-slide img {
        margin: 0 auto;
    }

    .t-intro-1 {
        margin-bottom: 40px;
    }

    .t-whitebox-1 {
        max-width: 700px;
    }
}

@media screen and (max-width: 640px) {
    .t-chairintro-content {
        margin: 0;
    }

    .t-whitebox-1 {
        padding: 20px;
        max-width: 700px;
    }

    .t-chair-name {
        font-size: 18px;
    }

    #ChairImageRowAll .swiper-slide img {
        max-width: 100%;
    }
}