@media screen and (max-width: 1600px) {
    header .left {
        width: auto;
    }
    header .menu {
        gap: 20px;
    }
}

@media screen and (max-width: 1300px) {
    .pc_only {
        display: none !important;
    }

    .mo_only {
        display: block !important;
    }

    header:hover #moMenuOpen i {
        background-image: url('/images/icon/common/hamburger.svg');
    }
}


@media screen and (max-width: 1200px) {
    .pc_only {
        display: none !important;
    }

    .mo_only {
        display: block !important;
    }

    header:hover #moMenuOpen i {
        background-image: url('/images/icon/common/hamburger.svg');
    }

    .finder_wrap.pw,
    .finder_wrap.id {
        margin: 100px auto;
    }

    .notice_list_wrap {
        margin: 50px auto 80px;
    }
    .contest_register_wrap {
        padding-top: 50px;
        padding-bottom: 100px;
    }
    .page_header {
        margin-bottom: 40px;
    }

    .notice_view_wrap {
        margin: 70px auto 100px;
    }

    .sub_banner_wrap {
        padding: 0 15px;
    }

}

@media screen and (max-width: 992px) {

    h1 {
        font-size: 2.8rem;
        line-height: 1.3;
    }

    h2 {
        font-size: 2.2rem;
        line-height: 1.4;
    }

    h3 {
        font-size: 1.8rem;
        line-height: 1.5;
    }

    h4 {
        font-size: 1.4rem;
        line-height: 1.5;
    }

    .row {
        flex-direction: column;
        align-items: center;
    }


    .main_platform_section article,
    .main_intro_section article {
        width: 100%;
    }


    .main_platform_section .row>article,
    .main_intro_section .row>article {
        width: 100%;
        max-width: 500px;
    }

    .main_intro_section {
        padding: 100px 0;
    }
    .main_board_section {
        padding: 80px 0;   
    }

    .main_board_section .main_section_title {
        margin-bottom: 25px;
    }

    .main_board_section .notice_box,
    .main_board_section .qna_box {
        width: 100%;
        padding: 0 20px;
    }

    .main_board_section .row {
        align-items: flex-start;
    }

    .main_board_section .qna_box {
        border-left: none;
        padding-left: none;
    }

    .main_bottom_section {
        padding: 120px 0;
    }

    .main_bottom_section .link_area {
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .main_bottom_section .link_area a {
        padding: 20px 40px;
        font-size: 1rem;
        line-height: 1.75rem;
    }

    footer {
        gap: 6px;
        padding: 30px 40px 30px 40px;
    }

    footer,
    footer .footer_info_box>div {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer_info_box {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }


    footer .footer_img_box {
        margin-top: 20px;
    }

    .total_donwload_list>li {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 30px;
    }

    .total_donwload_section {
        background-color: var(--white);
        margin: 0 auto;
        padding-top: 70px;
        padding-bottom: 90px;
    }

    .total_donwload_list_right {
        margin-top: 12px;
    }

    .list_title_box h5 {
        word-break: break-all;
    }

    .sub_page_info .sub_title {
        font-size: 1rem;
    }
    .intro_content_box > .content {
        padding: 25px 30px;
    }

    .process_flow {
        display: block;
    }
    .process_step {
        padding-top: 25px;
    }
    .process_step + .process_step {
        margin-top: 20px;
    }
    .process_step + .process_step::before {
        display: none;
    }

    .sub_banner_wrap {
        padding: 0 15px;
    }
    .sub_banner {
        padding: 50px 20px;
    }
    .sub_banner .banner_title {
        font-size: 1.6rem;
    }
    .sub_banner .link_area a {
        padding: 10px 30px;
        font-size: 1.125rem;
    }
    .contest_box {
        padding: 30px;
        gap: 25px;
    }
    .contest_complete_box {
        padding: 30px 30px 60px;
    }

    .total_intro_section1 {
        padding: 80px 90px;
    }

    .total_intro_section1_inner {
        padding: 60px 70px 70px;
    }

}



@media screen and (max-width: 768px) {
    body {
        font-size: 14px;
    }

    h1 {
        font-size: 2.3rem;
        line-height: 1.3;
    }

    h2 {
        font-size: 1.8rem;
        line-height: 1.4;
    }

    h3 {
        font-size: 1.6rem;
        line-height: 1.5;
    }

    h4 {
        font-size: 1.3rem;
        line-height: 1.5;
    }
    h5 {
        font-size: 1.1rem;
    }
    .header_empty_container {
        height: 68px;
    }
    header .left, header .right, header .center {
        padding: 12px 0;
    }
    header .left .logo {
        width: 120px;
        height: 44px;
    }

    header .header_inner {
        padding: 0 20px;
    }

    .mo_menu_wrap button {
        top: 22px;
        right: 30px;
    }

    .badge {
        padding: 4px 10px;
    }

    .finder_wrap.pw,
    .finder_wrap.id {
        margin: 60px auto;
    }


    .main_platform_section article {
        padding: 30px 20px 40px;
    }
    .main_platform_section article img {
        max-width: 100px;
    }
    .main_platform_section article .title {
        margin-top: 10px;
    }
    .main_platform_section article .desc {
        font-size: 1rem;
    }
    .main_intro_section article p {
        margin-top: 15px;
    }

    .btn_scroll_top {
        bottom: 80px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .btn_scroll_top img {
        height: 18px;
    }

    .board_content li a {
        padding: 20px 0;
    }
    .board_content li .board_item_title {
        gap: 6px;
    }

    .notice_list_wrap .board_content li .board_item_reg {
        width: 80px;
        padding-left: 12px;
    }


    .sub_page_top {
        height: 260px;
    }
    .nav_tab ul li a {
        padding: 12px 15px;
    }

    .total_donwload_title {
        font-size: 1.8rem;
    }
    .sub_page_info ul {
        margin-bottom: 15px;
    }
    .sub_page_info ul li {
        font-size: 0.75rem;
    }


    .login_wrap,
    .join_wrap {
        margin-top: 60px;
        margin-bottom: 40px;
        padding: 50px 20px;
    }

    .join_term_box {
        margin-bottom: 30px;
    }

    .page_header {
        margin-bottom: 35px;
    }


    .notice_search_bar {
        background-color: var(--white);

    }

    .notice_list_wrap .notice_search_bar {
        padding: 0;
        background-color: var(--white);

    }

    .notice_list_wrap .notice_search_bar select,
    .notice_list_wrap .notice_search_bar input {
        border: 1px solid var(--gray_20) !important;
    }

    .notice_list_wrap .notice_search_bar select {
        width: 100%;
        max-width: 80px;
    }

    .notice_list_wrap .notice_search_bar button {
        display: none;
    }

    .notice_list_wrap .board_content li a {
        padding: 16px 0;
    }

    .notice_list_wrap .board_content li .badge {
        font-size: 0.875rem !important;
        line-height: 1.1rem !important;
    }
    .notice_list_wrap .board_content li .board_item_reg {
        font-size: 0.875rem !important;
        line-height: 1.1rem !important;
    }

    .notice_list_wrap .board_content li .list_number {
        display: none;
    }

    .board_navigation li a {
        padding: 14px 0;
    }

    .contest_box {
        padding: 20px;
        gap: 20px;
    }

    .page_step {
        font-size: 0.875rem;
    }

    .contest_flex_item {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
        margin-bottom: 0;
    }


    .contest_flex_item dl,
    #step2.contest_term_wrap .contest_box dt {
        width: 100%;
    }

    #step2.contest_term_wrap .contest_box dl {
        display: block;
    }

    #step2.contest_term_wrap .contest_box {
        gap: 40px !important;
    }


    .contest_upload_caution {
        padding: 20px;
        font-size: 0.875rem;
    }

    .contest_team_box input[type=file] {
        font-size: 0.875rem;
    }

    .contest_team_box input[type="file"]::-webkit-file-upload-button {
        display: none;
    }

    .mypage_wrap,
    .finder_wrap {
        padding: 50px 20px 40px 20px;
    }

    .finder_wrap h3 {
        margin-bottom: 20px;
    }

    .main_platform_section {
        margin-top: 80px;
        margin-bottom: 80px;
    }

    .main_platform_section .tab_btn_area {
        margin: 30px -15px;
        gap: 0;
    }

    .main_platform_section .tab_btn_area button {
        padding: 10px 12px;
        flex: 1;
        border-radius: 0;
        font-size: 1rem;
    }

    .main_top_section .text_box {
        left: 15px;
        right: 15px;
        bottom: 150px;
    }

    .swiper_controls_wrap {
        bottom: 60px;
    }

    .main_board_section .board_content a,
    .main_board_section .board_content .board_item_title {
        flex-direction: column;
        align-items: flex-start;
    }

    .board_content li .board_item_reg {
        font-size: 0.875rem;
    }
    .qna_content li a {
        padding: 20px 25px;
    }
    .main_bottom_section {
        padding: 80px 0;
    }
    .main_bottom_section .link_area a {
        padding: 12px 30px;
    }

    .notice_view_wrap {
        margin: 50px auto 100px;
    }
    .notice_view_header .badge {
        margin-bottom: 10px;
    }

    .notice_view_header {
        margin-bottom: 20px;
    }


    .intro_content_box > .content {
        padding: 20px 25px;
    }
    .process_block_item {
        padding: 15px;
    }

    .sub_banner .banner_subtitle {
        font-size: 0.875rem;
    }

    .sub_banner .banner_title {
        font-size: 1.3rem;
    }

    .contest_complete img {
        margin-bottom: 10px;
    }
    .contest_complete_title {
        margin-bottom: 20px;
        font-size: 1.8rem;
        line-height: 1.5;
    }
    .contest_complete {
        margin: 40px auto 20px;
    }

    .total_intro_section1_inner {
        padding: 50px 0;
        border-radius: 0;
    }

    .total_intro_section1_inner1 .img_content_wrap {
        margin-top: 40px;
        gap: 68px;
    }

    .intro_title_box .intro_title {
        margin-bottom: 30px;
    }

    .total_service_card {
        padding: 30px 20px;
    }

    .total_intro_section {
        padding: 30px 0;
    }
    .total_intro_section2 .total_service_card1 {
        padding: 40px 20px;
    }
    .total_intro_section2 .total_service_card1 ul li {
        width: calc(50% - 6px);
        padding: 8px;
        gap: 8px;
    }

    .total_intro_section2 .total_service_card2 .inner {
        padding: 27px 52px;
    }

    .total_intro_section2 .total_service_card3 {
        padding: 60px 20px;
    }
    .total_intro_section2 .total_service_card3 .icon_content_wrap {
        margin-top: 40px;
    }
    .total_intro_section2 .total_service_card3 .icon_content_wrap article {
        width: calc(33.3333% - 14px);
        padding: 15px;
    }

    .intro_title_box .badge {
        padding: 6px 20px;
        margin-bottom: 15px;
    }
}

@media screen and (max-width: 576px) {
    h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

    h2 {
        font-size: 1.6rem;
        line-height: 1.4;
    }

    h3 {
        font-size: 1.5rem;
        line-height: 1.5;
    }

    .main_board_section {
        padding: 50px 0;
    }

    .main_board_section .notice_box, .main_board_section .qna_box {
        padding: 0;
    }


    .main_platform_section .tab_btn_area button {
        font-size: 0.875rem;
    }

    .main_bottom_section .link_area {
        margin-top: 40px;
        gap: 12px;
    }


    .total_donwload_list .divider {
        margin: 0 10px;
    }

    .notice_list_wrap .board_content li .badge {
        font-size: 0.75rem !important;
        line-height: 1.1 !important;
    }

    .notice_list_wrap .board_content li .board_item_title {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .notice_list_wrap .board_content li .board_item_title p {
        font-size: 0.95rem;
    }

    .notice_list_wrap .board_content li .board_item_reg {
        font-size: 0.75rem !important;
        line-height: 1.1rem !important;
    }

    .process_step {
        flex-direction: column;
    }
    .process_step1 .process_block2 .process_block_item {
        padding: 15px;
    }

    .sub_banner_wrap {
        margin-top: 70px;
    }
    .sub_banner .link_area {
        flex-direction: column;
    }
    .sub_banner .link_area a {
        padding: 10px 30px;
        font-size: 1rem;
    }
    .main_bottom_section .link_area a>img,
    .sub_banner .link_area a > img {
        width: 18px;
    }
    .qna_content li a {
        padding: 20px;
    }
    .main_board_section .board_content a h5,
    .qna_content li a h5 {
        font-size: 1rem;
    }
    .main_board_section .board_content .board_item_title .badge {
        font-size: 0.75rem;
    }

    .contest_box h4 {
        font-size: 1.1rem;
    }

    #step2.contest_term_wrap #summary_text_count {
        bottom: 15px;
        right: 15px;
        font-size: 0.75rem;
    }
    .contest_form_file_wrap {
        padding: 20px;
    }

    .modal .contest_term_wrap dt {
        width: 60px;
    }
    .modal .modal_content {
        padding: 20px;
    }

    button.secondary, a.secondary, button.primary, a.primary {
        padding: 8px 15px;
    }

    button.sm, a.sm {
        padding: 4px 8px;
    }


    select {
        padding: 10px 25px 10px 12px;
    }

    input {
        padding: 10px 8px 10px 12px;
    }

    .lb_checkbox span {
        width: 16px;
        min-width: 16px;
        height: 16px;
    }
    .lb_radio span {
        width: 15px;
        min-width: 15px;
        height: 15px;
    }
    .lb_radio input[type=radio]:checked+span::before {
        width: 5px;
        height: 5px;
    }
    .lb_checkbox input[type=checkbox]:checked+span::before {
        background-size: 10px;
    }
    .total_donwload_section {
        padding-top: 50px;
        padding-bottom: 70px;
    }
    .total_donwload_title {
        font-size: 1.5rem;
    }

    .contest_register_wrap {
        padding-bottom: 70px;
    }
    .contest_complete_title {
        font-size: 1.4rem;
    }
    .contest_complete_desc {
        font-size: 0.875rem;
    }
    .total_donwload_list>li {
        padding: 20px;
    }
    .total_download_img {
        width: 45px;
    }

    footer {
        padding: 20px 15px 20px;
        gap: 0;
    }
    footer .footer_info_box>div {
        gap: 0;
        font-size: 0.875rem;
        line-height: 1.2rem;
    }
    .footer_info_box {
        gap: 0;
    }

    .total_intro_section2 .total_service_card1 {
        padding: 30px 15px;
    }
    .total_intro_section2 .total_service_card1 ul li {
        width: 100%;
        padding: 5px;
        gap: 5px;
    }

    .total_intro_section2 .total_service_card3 .icon_content_wrap article img {
        max-width: 50px;
        margin-bottom: 10px;
    }

    .total_intro_section3 .card_content_wrap {
        margin-top: 35px;
        gap: 20px;
        flex-direction: column;
    }
    .total_intro_section3 .card_content_wrap article {
        width: 100%;
    }

    .total_intro_section3 .card_content_wrap article .title_ul {
        padding: 20px 20px;
    }
    .total_intro_section .title_ul {
        display: flex;
        margin-bottom: 20px;
        flex-direction: column;
        gap: 6px;
    }
    .total_intro_section3 .card_content_wrap article .title_box {
        padding: 12px 15px;
    }

    .total_intro_section2 .total_service_card3 > h4 {
        font-size: 1.5rem;
    }

    .total_intro_section2 .total_service_card3 article h6 {
        line-height: 1.3;
    }
    .total_intro_section2 .total_service_card3 .icon_content_wrap article {
        width: calc(50% - 10px);
    }
    .total_intro_section2 .total_service_card3 {
        padding: 40px 20px;
    }
    .total_intro_section2 .total_service_card3 .icon_content_wrap {
        margin-top: 30px;
    }
}