@media screen and (max-width:1200px) {
    .show_1200 {display: block;}
    .hide_1200 {display: none;}
    .muto_container {width: 100%; padding: 0 3%;}
    .pad_t_100 {padding-top: 8%;}
    .pad_b_100 {padding-bottom: 8%;}
    .pad_t_150 {padding-top: 10%;}
    .pad_b_150 {padding-bottom: 10%;}
    
    /* 서브 공통 */
    #lnb_wrap ul {text-align: center;}
    #lnb_wrap ul li {float: none; display: inline-block; margin: 0 25px;}
    
    
}

@media screen and (max-width:1080px) {
    .show_1080 {display: block;}
    .hide_1080 {display: none;}
    
    /* basic */
    .mar_t_150 {margin-top: 10%;}
    .mar_b_150 {margin-bottom: 10%;}
    body.open_menu {overflow: hidden; height: 100%;}
    
    /* [Header] 헤더 시작 */
    #mobile_header {height: 60px; background: white; padding: 0 0 0 15px; position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; border-bottom: 1px solid #ddd;}
    #mobile_header .logo {margin-top: 10px;}
    #mobile_header .logo img {height: 40px; width: auto;}
    
    /* 메뉴 버튼 */
    .mobile_btn {position: relative; display: block; width: 60px; height: 60px; padding: 15px;}
    .mobile_btn .bar, .mobile_btn .bar:before, .mobile_btn .bar:after {content: ''; position: absolute; height: 2px; width: 30px; background-color: #C30D23; opacity: 1; }
    .mobile_btn .bar {top: 29px; }
    .mobile_btn .bar:before {top: -8px; right: 0; -webkit-transition: all .3s ease; transition: all .3s ease;}
    .mobile_btn .bar:after {top: 8px; right: 0; -webkit-transition: all .3s ease; transition: all .3s ease;}

    .mobile_btn.open .bar {height: 0;}
    .mobile_btn.open .bar:before {top: 0; -webkit-transform: rotate3d(0,0,1,45deg); -ms-transform: rotate3d(0,0,1,45deg); transform: rotate3d(0,0,1,45deg);}
    .mobile_btn.open .bar:after {top: 0; -webkit-transform: rotate3d(0,0,1,-45deg); -ms-transform: rotate3d(0,0,1,-45deg); transform: rotate3d(0,0,1,-45deg);}
    
    /* 메뉴 */
    #m_gnb {position: fixed; top: 60px; left: -150%; width: 320px; height: calc(100% - 60px); background: white; overflow-y: auto; padding-bottom: 10%; z-index: 900; transition: all .3s ease;}
    #m_gnb.open {left: 0;}
    
    .m_gnb_li {border-bottom: 1px solid #eee; }
    .m_gnb_li > a {font-size: 18px; font-weight: bold; padding: 15px 20px; display: block; background: url('/images/icon_menu.png') no-repeat 285px center; transition: all .3s ease;}
    .m_gnb_li > a.active { background: url('/images/icon_menu_on.png') no-repeat 285px center;}
    .m_gnb_sub {border-top: 1px solid #eee; background: #f9f9f9; display: none; transition: none;}
    .m_gnb_sub > li {border-bottom: 1px solid #eee; }
    .m_gnb_sub > li:last-child {border-bottom: 0;}
    .m_gnb_sub > li a {display: block; font-size: 16px; padding: 15px 20px; }
    .m_gnb_sub > li a:hover {background: #C30D23; color: white; -webkit-transition: all .3s ease; transition: all .3s ease;}
    
    #m_gnb .head_member li {width: 50%; float: left; text-align: center; font-size: 14px; line-height: 50px; background: #C30D23; color: white;}
    #m_gnb .head_member li:first-child {border-right: 1px solid rgba(255,255,255,0.1);}
    #m_gnb .head_member li a {display: block;}
    
    .m_menu_bg {width: 100%; height: 100%; position: fixed; top: 0px; left: 0px; overflow: hidden; background: rgba(0, 0, 0, 0.5); z-index: 800; display: none;}
    
    .member_wrap {padding: 15px 20px; margin-top: 10px;}
    .member_wrap ul li {font-size: 14px; margin-bottom: 20px;}
    /* [Header] 헤더 끝 */
    
    
    /* footer */
    .foot_menu {display: none;}
    .footer {border-top: 1px solid #f5f5f5; padding: 50px 0 0;}
    .footer .policy_menu li {float: none; display: inline-block; font-size: 14px; padding: 0 10px;}
    .footer .part_1, .footer .part_2 {float: none; text-align: center;}
    .footer .part_1 {padding: 0 3%;}
    .footer .part_2.info {margin-top: 50px; background: #f9f9f9; padding: 30px 0;}
    .footer .info h2 {font-size: 30px;}
    
    
    
    /* 서브 공통 */
    #lnb_wrap ul li {line-height: 60px;}
    
    
    
    
    /* INDEX - slide */
    .main_slide_wrap {margin-top: 60px;}
    .main_slide_wrap .slide_text {width: 70%; top: 50%; left: 50%; transform: translateX(-50%) translateY(-50%);     padding: 5%; text-align: center;}
    .main_slide_wrap .slide_text h2 {font-size: 30px; line-height: 50px;}
    .main_slide_wrap .slide_text h2 span {font-size: 40px;}
    .main_slide_wrap .slide_text p {font-size: 18px; line-height: 28px; margin-top: 20px;}
    .main_slide_wrap .swiper-container-horizontal>.swiper-pagination-bullets {width: 100%; bottom: 5%; left: auto;}
    .main_slide_wrap .swiper-button-next, .main_slide_wrap .swiper-button-prev {display: none;}

	.main_slide_wrap .swiper-pagination-bullet {width: 6px; height: 6px;}
	.main_slide_wrap .swiper-pagination-bullet-active {width: 10px; height: 10px;}
    
    /* INDEX - quick_banner */
    .main_quick_banner {padding: 0 3%;}
    .quick_banner_wrap {top: 0; margin-bottom: 5%;}
    .quick_banner_wrap li {box-shadow: none; border-bottom: 1px solid #f5f5f5; padding: 5% 0;}
    .quick_banner_wrap li img {right: 10px;}
    .quick_banner_wrap li:hover img {right: 0;}
    .quick_banner_wrap li.banner_1 {width: 100%;}
    .quick_banner_wrap li.banner_2, .quick_banner_wrap li.banner_3 {width: 100%; margin-left: 0;}
    .quick_banner_wrap li h2 {font-size: 24px; margin-bottom: 15px;}
    
    /* INDEX - 최신글 */
    .main_latest_wrap {padding: 0 3%; margin-bottom: 10%;}
    .main_notice, .main_gallery {float: none; width: 100%; margin-top: 10%;}
    .lat_title {font-size: 18px; line-height: 18px;}
    .lt_more {font-size: 14px; line-height: 18px;}
    .lt_more img {width: 18px; vertical-align: sub; margin-left: 3px;}
    .main_notice ul, .main_gallery ul {margin-top: 3%;}
    .main_notice li {padding: 3%;}
    .main_notice .subject, .main_notice .lt_info {font-size: 14px; line-height: 20px;}
	.main_gallery li {width: 48%;}
    
    /* INDEX - 문제풀이 */
    .test_banner {float: none; width: 100%; height: 250px; margin-left: 0; margin-bottom: 3%; }
    .test_banner .text {width: 80%;}
    .test_banner h3 {font-size: 24px;}
    .test_banner p {font-size: 16px; line-height: 22px;}
    .test_banner img {display: none;}
    .test_banner.test_1 {background: url(/images/m_main_banner_1.jpg) no-repeat center; background-size: cover;}
    .test_banner.test_2 {background: url(/images/m_main_banner_2.jpg) no-repeat center; background-size: cover;}
    
    
    /* 소개(sub0101) */
    #sub0101 {margin-top: 60px;}
    #sub0101 .main_img {height: 0; padding-bottom: 100%;}
    #sub0101 .main_img img { width: 70%; max-width: 490px;}
    
    #sub0101 .intro {padding: 0 5%; background: url(/images/sub01_img_01_text_2.png) no-repeat 95% top; background-size: 30%;}
    #sub0101 .intro h2 {float: none; padding: 0; width: 100%; margin-bottom: 5%; font-size: 40px; line-height: 70px;}
    #sub0101 .intro .text {float: none; padding: 0; width: 100%; font-size: 18px; line-height: 30px;}
    
    #sub0101 .service h2 {font-size: 40px; line-height: 40px; margin-bottom: 10%;}
    #sub0101 .service ul li img {margin-bottom: 10%;}
    #sub0101 .service ul li .line {margin: 15px auto 20px;}
    #sub0101 .service ul li h3 {font-size: 28px; line-height: 28px;}
    #sub0101 .service ul li p {font-size: 16px; line-height: 26px;}
    
    /* 오시는길(sub0102) */
    #sub0102 .we_difftent {margin-bottom: 10%; padding: 50px 5% 30px;}
    #sub0102 .we_difftent .text {float: none;}
    #sub0102 .we_difftent .text h2 {font-size: 40px; line-height: 40px;}
    #sub0102 .we_difftent .text h3 {font-size: 30px; line-height: 40px;}
    #sub0102 .we_difftent .text p {font-size: 18px; line-height: 30px;}
    #sub0102 .we_difftent img {float: none; margin-top: 7%;}


	/* 대표소개(sub0103) */
	#sub0103 .img {width:100%; max-width:500px; margin: 0 auto; float: none;}
	#sub0103 .text {width:100%; max-width:500px; padding-left: 0%;  margin: 10% auto 0; float: none;}
	#sub0103 .text h2 {font-size:30px; margin-bottom: 30px;}
	#sub0103 .text h2 span { font-size:18px; }
	#sub0103 .text h3 {font-size:20px; margin-top: 5%; margin-bottom: 10px;}
	#sub0103 .text p { font-size:16px; line-height: 26px; margin-bottom: 5px;}
	#sub0103 .text p a {line-height: 25px; padding:0 10px; font-size:14px; display: inline-block; margin-left: 10px;}
	#sub0103 .img_section ul li {float:left; width:48%; margin:0 1% 5%;}

    
    
    /* 서브 공통 */
    #sub_title_bg {margin-top: 60px; height: 250px;}
    #sub_title_bg h2 {font-size: 40px; line-height: 40px;}
    
    /* 동영상강좌(sub0401) - 전체 언어 리스트 */
    #sub0401 {padding: 0 5%;}
    #sub0401 select {width: 150px; line-height: 40px; font-size: 16px; margin-bottom: 30px;}
    .all_lecture_list li {padding: 20px 0;}
    
    /* 동영상강좌(sub0402) - 개별 언어 리스트 */
    .lecture_name {padding: 20px 0; margin-bottom: 10%;}
    .lecture_name h2 { line-height: 40px; font-size: 40px;}
    .video_lecture {margin: 0 -10px; padding: 0 3%;}
    .video_lecture li {width: calc(33.333% - 20px); margin: 0 10px 40px;}
    .video_lecture li p.title {font-size: 18px; line-height: 28px;}
    
    
    /* 동영상강좌(gallery_respon) - 게시판 */
    .video_list {width: calc(33.333% - 20px); margin: 0 10px 40px;}
    
    
    
    /* 문제풀이(sub03) - 모의고사 */
    .mock_test {margin-bottom: 10%;}
    .mock_test ul li {width: calc(50% - 20px); margin-bottom: 20px;}
    .mock_test h2 {font-size: 26px; line-height: 26px;}
    .mock_test ul li .info {padding: 20px 10px;}
    .mock_test ul li .info .year {}
    .mock_test ul li .info h3 {margin-bottom: 10px; font-size: 22px; line-height: 28px;}
    
    
    
    
    /* 동영상강좌(gallery_respon) - 게시판 */
    .bbs_write_div_l {width: 100%;}
    .bbs_write_div_r {width: 100%; padding-left: 0px; margin-top: 30px;}
    
    
    
    /* 회원가입관련 */
    .member_page_wrap {}
    .member_left {width: 100%; float: left;}
    .member_right {display: none;}
    #register_form h2 {padding: 15px;}
    .register_form_inner ul {padding: 15px;}
    
    /* 개인정보 페이지 */
    #ctt {margin-top: 60px; padding: 8% 5%; }
    #ctt_con {padding: 30px;}
    
    
    
    
    
}

@media screen and (max-width:720px) {
    .show_720 {display: block;}
    .hide_720 {display: none;}
    
    /* basic */
    .mar_t_150 {margin-top: 15%;}
    .mar_b_150 {margin-bottom: 15%;}
    .pad_t_100 {padding-top: 10%;}
    .pad_b_100 {padding-bottom: 10%;}
    .pad_t_150 {padding-top: 15%;}
    .pad_b_150 {padding-bottom: 15%;}
    
    /* 서브 공통 */
    #lnb_wrap ul li {font-size: 16px;}
    #sub_title_bg {height: 200px;}
    #sub_title_bg h2 {font-size: 30px; line-height: 30px;}
    
    /* INDEX - slide */
    .main_slide_wrap .swiper-slide {height: 0; padding-bottom: 100%;}
    .main_slide_wrap .slide_1 {background-position: 80% center;}
    .main_slide_wrap .slide_text h2 {font-size: 16px; line-height: 35px;}
    .main_slide_wrap .slide_text h2 span {font-size: 30px;}
    .main_slide_wrap .slide_text p {font-size: 16px; line-height: 24px; margin-top: 15px;}
    
    /* INDEX - quick_banner */
    .quick_banner_wrap li.banner_1, .quick_banner_wrap li.banner_2 {background-size: 50px;}
    .quick_banner_wrap li p {font-size: 14px;}
    
    /* INDEX - 문제풀이 */
    .test_banner {height: 180px;}
    
    
    /* 소개(sub0101) */
    #sub0101 .intro h2 {font-size: 32px; line-height: 50px;}
    #sub0101 .intro .text {font-size: 16px; line-height: 28px;}
    #sub0101 .service h2 {font-size: 32px; line-height: 32px;}
    #sub0101 .service ul {padding: 0 5%;}
    #sub0101 .service ul li {width: 100%}
    #sub0101 .service ul li:nth-child(2), #sub0101 .service ul li:nth-child(5), #sub0101 .service ul li:nth-child(4) {margin: 0 0 10% 0;}
    #sub0101 .service ul li img {width: 70%; max-width: 350px; margin-bottom: 5%;}
    #sub0101 .service ul li .line {margin: 15px auto 15px;}
    #sub0101 .service ul li h3 {font-size: 22px; line-height: 22px;}
    #sub0101 .service ul li p {font-size: 14px; line-height: 24px; width: 100%;}
    
    
    /* 오시는길(sub0102) */
    #sub0102 .we_difftent .text h2 {font-size: 32px; line-height: 32px;}
    #sub0102 .we_difftent .text h3 {font-size: 22px; line-height: 32px; margin-bottom: 30px;}
    #sub0102 .we_difftent .text p {font-size: 16px; line-height: 26px;}
    #sub0102 .root_daum_roughmap {height: 300px; margin-bottom: 30px;}
    #sub0102 .info {padding: 0 5%;}
    #sub0102 .info li span {font-size: 14px; line-height: 14px; margin-bottom: 10px;}
    #sub0102 .info li p {font-size: 18px; line-height: 28px;}
    
    

    /* 문제풀이(sub03) - 개별문제 */
    .question_tab {margin-bottom: 20px;}
    .question_tab li {width: 50%; line-height: 40px; border-bottom: 1px solid #eee; font-size: 16px;}
    .question_tab li:last-child {border-bottom: 0;}
    .question_wrap {padding: 30px;}
    .question_box h3 {font-size: 16px; line-height: 26px;}
    .question_box .exam {margin-top: 30px; padding: 30px 15px 15px 15px;}
    .question_box .exam span {font-size: 14px; width: 60px; height: 25px; line-height: 25px;}
    .btn_wrap {padding-top: 30px; margin-top: 30px;}
    .btn_wrap button {width: 150px; line-height: 45px; font-size: 18px;}
    
    /* 동영상강좌(sub0401) - 전체 언어 리스트 */
    .all_lecture_list li .lang {margin-right: 5px; width: 55px; line-height: 20px; font-size: 12px;}
    .all_lecture_list li p {font-size: 18px; line-height: 30px; display: block;}
    .all_lecture_list li a {font-size: 14px; line-height: 30px; width: 80px;}
    
    /* 동영상강좌(sub0402) - 개별 언어 리스트 */
    .lecture_name {padding: 15px 0; width: 200px;}
    .lecture_name h2 { line-height: 30px; font-size: 30px;}
    .lecture_name span {margin-bottom: 10px; font-size: 14px; line-height: 14px;}
    .video_lecture {padding: 0 5%;}
    .video_lecture li {width: calc(50% - 10px); margin: 0 5px 30px;}
    .video_lecture li .thumb {margin-bottom: 15px;}
    .video_lecture li p.title {font-size: 16px; line-height: 26px;}
    .video_lecture li .info .view, .video_lecture li .info .clock { font-size: 12px; line-height: 12px; margin-right: 10px;}
    .video_lecture li .info img {height: 12px;}
    
    
    
    /* 동영상강좌(gallery_respon) - 게시판 */
    .video_list {width: calc(50% - 10px); margin: 0 5px 30px;}
    .main_lists_tit {font-size: 18px; margin-top: 15px;}
    .main_lists_date {margin-top: 10px; font-size: 12px; padding: 5px;}
    .main_lists_new {width: 30px; height: 30px; line-height: 30px; font-size: 10px;}
    .youtube_lec_link {padding: 30px; }
    .youtube_lec_link h3 {font-size: 20px;}
    .youtube_lec_link a {line-height: 45px; margin-top: 20px;}
    .view_img_cont {padding: 30px 0;}
    .video-container {margin-bottom: 30px;}
    .titles {font-size: 16px;}
    .comment_divs {padding: 0 10px 15px 10px;}
    .bo_vc_w {margin: 5px 0;}
    .v_top_hd li {font-size: 12px;}
    .cate_div {padding-bottom: 5% !important;}
    .cate_div ul li {margin: 0 5px 5px 0;}
    .cate_div ul li a {padding: 0 10px; font-size: 14px; line-height: 35px;}
    
    
    /* 문제풀이(sub03) - 모의고사 */
    .mock_test h2 {font-size: 22px; line-height: 22px; padding-bottom: 15px; margin-bottom: 20px;}
    .mock_test ul li .info .type span {margin: 0 5px;}
    .mock_test ul li a {line-height: 45px; font-size: 16px;}
    .mock_test ul li .info h3 {font-size: 20px; line-height: 26px;}
    
    
    /* 문제풀기 팝업 */
    .font_body .title {font-size: 30px; line-height: 40px;}
    .font_body .title:before {height: 5px;}
    .font_body small {font-size: 14px; line-height: 14px; margin: 20px 0;}
    .font_body .info_box {font-size: 16px;}
    .font_body .info_box strong {font-size: 18px; padding: 15px;}
    .font_body .time_box {padding: 15px;}
    .font_body .time_box span {font-size: 16px;}
    .font_body .time_box strong {font-size: 24px;}
    .sample_pop .btn_box {margin-top: 20px;}
    .sample_pop .btn_box a {width: 180px; font-size: 18px; line-height: 45px;}
    
    
    /* 개인정보 페이지 */
    #ctt {padding: 10% 3%; }
    #ctt_con {padding: 15px;}
    
    
}

@media screen and (max-width:480px) {
    .show_480 {display: block;}
    .hide_480 {display: none;}
    
    /* 문제풀이(sub03) - 개별문제 */
    .question_wrap {padding: 15px;}
    
    /* 문제풀이(sub03) - 모의고사 */
    .mock_test ul li {width: 100%; margin: 0 0 20px 0;}
    
    /* 동영상강좌(gallery_respon) - 게시판 */
    .video_list {width:100%; margin: 0 0px 30px;}
    .main_lists_tit {font-size: 16px;}
    .youtube_lec_link h3 {font-size: 18px; line-height: 24px;}
    
    

}