/* side_story
##################################### */
.box_txt{
    text-align: center;
}


/* side_story pc
===================================== */
@media screen and (min-width: 769px) {
    #side_story .sideStory_index{
        height: 100vh;
    }
    #side_story .btn_hover{
        width: 300px;
    }
    #side_story .btn_prev:after, #side_story .btn_next:after{
        top: 10px;
    }
}

/* side_story sp
===================================== */
@media screen and (max-width: 768px) {
    #side_story .btn_hover{
        width: 100%;
        font-size: 11px;
        font-size: 1.1rem;
    }
    #side_story .btn_prev:after, #side_story .btn_next:after{
        top: 15px;
    }
}