@media screen and (max-width: 600px) {

    .content_1280 {
        width: auto;
    }

    .padding_100 {
        padding: 0 1.5rem;
    }

    .content_join {
        overflow-x: visible;
        width: 100vw;
        min-width: auto;
        z-index: 1000;
        position: absolute;
        background: #fff;
    }

    .content_join .content_1600 .padding_header{
        width: 93vw;
        padding: 0 1rem;
    }

    #black_img{
        padding: 1.15rem 0;
    }
    #black_img img{
        height: 2rem;
    }

    .content_join .header_dark{
        display: none;
    }

    .join_bg {
        height: max(15rem, 30vw);
        background-size: 100% 100%;
    }

    #black_menu{
        display: block;
    }

    #second_frame {
        position: relative;
        z-index: 999;
    }

    #second_frame #second_header {
        position: absolute;
        z-index: 1000;
        width: 100vw;
        background-color: #fff;
        box-shadow: 2px 0px 10px 2px #cccccc40;
    }

    #second_frame #second_header .content_1600 {
        min-width: auto;
        margin: 0 auto;
    }

    #second_frame #second_header .content_1600 > div {
        width: 80px;
        display: none;
    }

    #second_frame #tab_0 {
        position: relative;
        height: max(691.2px, 48vw);
        background-size: 100% 100%;
    }

    #second_frame #tab_0 .content_1600 {
        padding-top: max(179.2px, 14vw);
        text-align: center;
    }

    #second_frame #tab_0 .content_1600 .padding_100 .atmosphere_title {
        margin: 0;
    }

    #second_frame #tab_0 .content_1600 .padding_100 .atmosphere {
        margin: 2.5vw auto 0 auto;
        font-size: 1.1rem;
        line-height: 2.2rem;
        color: #666;
        text-align: center;
    }

    #second_frame #tab_1 .bg_linear {
        padding: 3rem 0;
    }

    #second_frame #tab_1 .bg_linear > .content_1600 > .padding_100 > h1 {
        text-align: center;
        font-size: 1.75rem;
    }

    #second_frame #tab_1 .bg_linear > .content_1600 > .padding_100 > .flex_def {
        max-width: 80rem;
        margin: 0 auto;
        flex-wrap: wrap;
    }

    #second_frame #tab_1 .bg_linear > .content_1600 > .padding_100 > .flex_def>div{
        width: 43%;
        margin-bottom: 2rem;
    }

    #second_frame #tab_2 {
        background: linear-gradient(360deg, #F4F4F6 0%, #F3F4F5 100%);
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 {
        text-align: center;
        margin: 2rem 0;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > h1.text_c3 {
        font-size: 1.75rem;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def {
        align-items: inherit;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def .join_filter {
        width: 100%;
        margin-right: 0;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def .join_filter #jd_filter {
        display: block;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def .join_filter #jd_filter .bg_ff {
        padding: 1rem 2rem;
        margin-bottom: 1rem;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def .join_filter #jd_filter .bg_ff > .text_c3 {
        text-align: left;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def .join_filter #jd_filter #join_jd_blank {
        display: none;
        line-height: 8rem;
        margin: 0;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def .join_filter #jd_content {
        padding: 1rem 2rem;
        display: none;
    }

    #second_frame #tab_2 > .content_1600 > .padding_100 > .flex_def > .bg_ff {
        width: 30%;
        text-align: left;
        padding: 1rem 2rem;
        display: none;
    }
    #second_frame #tab_2 #join_jd_list .join_jd_box .flex_def{
        display: block;
    }
}