.header_right .mobile_nav {
    display: none;
}

@media (max-width: 768px) {
    .header_right {
        flex-wrap: wrap;
        gap: 10px;
    }
    .cont {margin-left:0;width: 100%;}
    .header_right .mobile_nav {
        display: block;
        width: 100%;
        padding-top: 8px;
    }
    .menu_item {
        transition:none;}
    .header_right .mobile_nav  .menu_item:hover,.header_right .mobile_nav  .menu_item.on {
        border-left: none;
        background: none;
    }
    .header_right .mobile_nav .menu_list,
    .header_right .mobile_nav .menu_bottom {
        display: contents;
    }

    .header_right .mobile_nav {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px 8px;
    }

    .header_right .mobile_nav .menu_item {
        min-width: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        margin: 0;
        padding: 0;
        text-align: center;
        justify-content: flex-start;
        width: auto;
        height: 53px;
        overflow: visible;
    }

    .header_right .mobile_nav .menu_icon,
    .header_right .mobile_nav .logo_mark {
        width: 22px;
        height: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto;
        flex: 0 0 22px;
    }

    .header_right .mobile_nav .logo_mark {
        font-size: 14px;
        line-height: 1;
        width: 23px;
        background-size: cover;
        height: 30px;
    }

    .header_right .mobile_nav .menu_txt {
        display: block;
        font-size: 11px;
        line-height: 1.25;
        word-break: keep-all;
        white-space: normal;
        text-align: center;
    }

    .header_right .mobile_nav .menu_item.on {
        background: none;
        border: none;
    }

    .left_header {
        display: none;
    }

    .site_footer {
        margin-left: 0;
    }
}

@media (max-width: 450px) {

    #headerRight {
        width: 100%;
    }
}