nav.mobile .gnb > ul > li > a {
    position: relative;
    display: block;
    padding-right: 50px;
}

nav.mobile .gnb > ul > li > a .arrow {
    position: absolute;
    right: 5px;
    top: 50%;

    transform: translateY(-50%);

    display: inline-block;
    width: 12px !important;
    height: 12px;

    background-image: url("/resources/images/ebi/main/ico/ico-rightarrow.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;

    transition: transform 0.5s ease;
}

nav.mobile .gnb > ul > li.on > a .arrow {
    transform: translateY(-50%) rotate(90deg);
}