.sett {
    width: 100%;
    height: 30vw;
}

.sett_img {
    width: 100%;
    height: 100%;
}

@media screen and (max-width: 760px) {
    .join{
        width: 100vw !important;
    }

    .join-b1 .txt p,.join-b1 strong,.join-b1 a.mail{
        font-size: 24px !important;
    }

    .join-t ul li,.join-t ul li.btnn .cl,.join-ul .join-ul-1 span{
        font-size: 22px !important;
    }

    .join-t ul {
        height: 8vh !important;
        line-height: 2vh;
    }

    .join-t ul li{
        height: 130px !important;
    }

    .subtitle_title{
        font-size: 24px !important;
    }

    .subtitle{
        width: 90% !important;
    }
}