.banner {
    position: relative;
    overflow: hidden;
}

.bannerBG {
    width: 100%;
}


.banner_square {
    position: absolute;
    top: 0;
    left: -45%;
    height: 100%;
    transition: .3s;
    transition-delay: .5s;
}

.show .banner_square {
    left: 0;
}





.banner_title {
    position: absolute;
    top: -10%;
    left: 5%;
    width: 45%;
    opacity: 0;
    transition: .3s;
    transition-delay: 1s;
}

.show .banner_title {
    top: 20%;
    opacity: 1;
}





.banner_subtitle {
    position: absolute;
    top: 25%;
    left: 5%;
    width: 45%;
    opacity: 0;
    transition: .3s;
    transition-delay: 1.25s;
}

.show .banner_subtitle {
    top: 55%;
    opacity: 1;
}


.banner_RWD {
    display: none;
}


@media screen and (max-width: 979px) {

    .banner > img {
        display: none;
    }

    .banner_RWD {
        display: block;
    }

    .bannerBG_RWD {
        width: 100%;
    }
    
    
    .banner_square_RWD {
        position: absolute;
        top: -45%;
        left: 0;
        width: 100%;
        transition: .3s;
        transition-delay: .5s;
    }
    
    .show .banner_square_RWD {
        top: 0;
    }
    
    
    
    
    
    .banner_title_RWD {
        position: absolute;
        top: -10%;
        left: 5%;
        width: 90%;
        opacity: 0;
        transition: .3s;
        transition-delay: 1s;
    }
    
    .show .banner_title_RWD {
        top: 5%;
        opacity: 1;
    }
    
    
    
    
    
    .banner_subtitle_RWD {
        position: absolute;
        top: 25%;
        left: 5%;
        width: 90%;
        opacity: 0;
        transition: .3s;
        transition-delay: 1.25s;
    }
    
    .show .banner_subtitle_RWD {
        top: 35%;
        opacity: 1;
    }
   
}