@charset "utf-8";

@import url('fontawesome.min.css');

@font-face {
    font-family: 'BinggraeBold';
    font-style: normal;
    font-weight: 600;
    src: local("?"), url('/assets/webfonts/Binggrae_Bold.woff') format('woff');
}

@font-face {
    font-family: 'Binggrae';
    font-style: normal;
    font-weight: 600;
    src: local("?"), url('/assets/webfonts/Binggrae.woff') format('woff');
}

@font-face {
    font-family: 'NexonBold';
    src: url('/assets/webfonts/Nexon_Gothic_Bold.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Nexon';
    src: url('/assets/webfonts/Nexon_Gothic_Light.woff') format('woff');
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: 'Nexon';
    src: url('/assets/webfonts/Nexon_Gothic.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

html {
    height: 100%;
}

body {
    height: 100%;
    font-family: "Nexon", "Noto Sans KR", "Apple SD Gothic Neo", 나눔고딕, NanumGothic, "맑은 고딕", "Malgun Gothic" !important;
    line-height: 17px;
    color: #333;
    padding: 0px !important;
    /*
  -webkit-touch-callout: none !important;
  -webkit-user-select: none;
  */
}

body > .body {
  margin: 0 auto;
  width: 98%;
  max-width: 1100px;
  position: relative;
  display: block;
  overflow: hidden;
  background-color: #fff;
}

/* common */
a {
    -webkit-user-select: none !important;
}

a:focus,
a:active {
    outline: none;
    text-decoration: none
}

a:hover {
    text-decoration: none
}

.ul-iblock,
.ul-block {
    list-style: none;
    padding: 0px;
    margin: 0px;
}

.ul-iblock>li,
.ul-block>li {
    display: inline-block;
}

.ibg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 101;
    background: rgba(0, 0, 0, 0.5);
    display: none;
}

.bgon>.ibg,
.mnu-expand>.ibg {
    display: block;
}

.mr10 {
    margin-right: 10px;
}

/* header */

.header .wrap {
    margin: 0 auto;
    max-width: 1100px;
    padding: 0 10px;
}

.header .logobx {
  width: 95%;
  max-width: 1100px;
  position: relative;
  text-align: center;
  margin: 0 auto;
}

.header .logobx .btn-mnu {
  display: none;
}

.header .logobx .logo {
    position: absolute;
    z-index: 1;
    padding: 0px;
    top: 0px;
    left: 0;
    width: 180px;
    height: 60px;
    background: url(/assets/images/logo.png) no-repeat right center/contain;
}

.header .logobx .logo > img {
    width: auto;
    height: 60px;
    display: none;
}

.header .fixed .logobx .logo {
    background-image: url(/assets/images/logo.png);
}

.header .mnu {
    text-align: right;
    padding: 10px 0 50px;
}

.header .quickmnu {
    text-align: right;
    padding: 10px;
}

.header .quickmnu > a {
    color: #FFF;
    display: inline-block;
    padding: 0 10px;
    text-shadow: 0 0 5px #000;
}

.header .mobile .quickmnu {
    text-align: center;
    border-top: 1px solid #ccc;
    padding-top: 20px;
}

.header .mobile .quickmnu > a {
    color: #333;
    text-shadow: initial;
}

.header nav.screen.fixed .logobx .logo {
    top: 0px;
}

.header nav.screen.fixed .mnu {
    padding: 10px 0 30px;
}

.header .mnu > li {
    padding-right: 30px;
}

.header .mnu a {
    font-size: 25px;
    line-height: 33px;
    padding: 2px 25px 0px;
}

.header .mnu .btnStart {
    display: inline-block;
    background-color: #fc0;
    border-radius: 100px;
    color: #000;
    font-size: 17px;
    padding: 5px 25px 3px;
    margin-top: -5px;
    text-shadow: none;
}

.header nav.mobile {
  width: 280px;
  height: 100%;
  display: block;
  position: fixed;
  top: 0;
  background-color: #fff;
  transform: translateX(-100%);
  transition-delay: 0s;
  transition-duration: 0.3s, 0s;
  transition-property: transform, opacity;
  transition-timing-function: ease, ease;
  overflow-y: auto;
  z-index: 102;
}

.mnu-expand .header nav.mobile {
  opacity: 1;
  transform: translate3d(0px, 0px, 0px);
}

.header nav.mobile > .wrap {
  width: 280px;
  padding: 50px 20px;
}

.header nav.screen.fixed {
  position: fixed;
  top: 0px;
  z-index: 3;
  background-color: #fff;
}

.header nav.screen {
  width: 100%;
  position: fixed;
  display: block;
  z-index: 1;
}

.header nav.screen .mnu a {
    color: #FFF;
    text-shadow: 0 0 5px #000;
    font-weight: 600;
}

.header nav.screen.fixed {
    box-shadow: 0 3px rgba(0, 0, 0, .1);
}

.header nav.screen.fixed .quickmnu a,
.header nav.screen.fixed .mnu a {
    color: #000;
    text-shadow: none;
    font-weight: 500;
}

.header nav.mobile .bxlogo {
    display: block;
    text-align: center;
}

.header nav.mobile .logo {
  height: 50px;
  float: none;
  position: initial;
}

.header nav.mobile .btn {
  color: #fff;
  border-radius: 30px;
  padding: 5px 20px;
  margin-top: 30px;
}

.header nav.mobile .mnu {
  text-align: left;
  margin-top: 30px;
}

.header nav.mobile .mnu > ul {
    padding-left: 10px;
}

.header nav.mobile .mnu > ul > li {
  display: block;
  margin-top: 10px;
}
.header nav.mobile .mnu > ul > li a {
  display: inline-block;
  padding: 10px 0;
  white-space: nowrap;
  font-size: 17px;
  vertical-align: middle;
  font-weight: 500;
  color: #000;
}
.header nav.mobile .mnu > ul > li > ul {
}
.header nav.mobile .mnu > ul > li > ul > li {
  border-top: 1px solid #eeeeee;
}

.header nav.mobile .mnu > ul > li > ul > li > a{
  font-weight: 300;
  padding: 10px 0 10px 20px;
}


/* main */
.section.main {
    position: relative;
    overflow: hidden;
    height: 100vh;
    min-height: 1000px;
    padding: 0;
      
}

.section.main::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #e4e4ec url(/assets/images/hangul_bg.jpg) no-repeat center top/cover;
    filter: grayscale(.5);
}

/*
.section.main::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #ccc 0%, rgba(255, 255, 255, 0) 91.67%);
}
*/

.section.main .box {
    background-color: transparent;
    color: #fff;
    border: none;
    border-radius: 20px;
    margin: 0 auto;
    max-width: 1100px;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    padding: 30px;
    z-index: 1;
}

.section.main .box h5 {
    font-size: 50px;
    font-family: "NexonBold";
    text-shadow: 0px 0px 5px #fff;
    color: #FF5722;
}

.section.main .box h1 {
    font-size: 33px;
    font-weight: 600;
    line-height: 55px;
    margin: 20px 0 50px;
    color: #333;
    text-shadow: 0px 0px 9px #fff;
}

.section.main .box .btn {
    border-radius: 40px;
    padding: 20px 40px;
    font-size: 32px;
    font-weight: 500;
    color: #fff;
    background-color: #7739ff;
}


/* content */

.hangulcontent {
    color: #333;
}

.hangulcontent>.R1 {
    min-height: 280px;
}

.hangul_principle>.R1 {
    background: url("/assets/images/20190812_154.png") no-repeat left top/cover;
}

.hangul_curriculum>.R1 {
    background: url("/assets/images/20190812_168.png") no-repeat left top/cover;
}

.hangul_method>.R1 {
    background: url("/assets/images/20190812_176.png") no-repeat left top/cover;
}

.hangul_book>.R1 {
    background: url("/assets/images/20190812_197.png") no-repeat left top/cover;
}

.hangulcontent>.R1 .body {
    float: right;
    padding: 40px 5px 5px;
    width: 400px;
}

.hangulcontent .body h4 {
    font-family: "BinggraeBold";
    font-size: 30px;
    padding: 10px 0;
}

.hangulcontent>.R1 .body h4>b {
    color: #ff7200;
}

.hangulcontent>.R1 .body p>b {
    font-size: 17px;
    font-weight: 600;
    padding: 5px 0 10px;
    display: block;
}

.hangulcontent>.bgbx {
    background: url("/assets/images/20190812_156.png") top left repeat;
    background-color: #f3f3f3;
    padding: 30px 30px;
}

.hangulcontent .box {
    border-radius: 20px;
    box-shadow: 0 4px 0 rgba(0, 0, 0, .1);
}

.hangul_principle .box {
    background: #fff url("/assets/images/20190812_158.png") top left no-repeat;
}

.hangul_curriculum .box {
    background: #fff url("/assets/images/20190812_169.png") top left no-repeat;
    text-align: center;
}

.hangul_method .box {
    background: #fff url("/assets/images/20190812_177.png") top left no-repeat;
}

.hangul_book .box {
    background: #fff url("/assets/images/20190812_197.png") top left no-repeat;
}

.hangul_book .R2 .box {
    background: #fff url("/assets/images/20190812_190.png") top left no-repeat;
}

.hangul_book .R3 .box {
    background: #fff url("/assets/images/20190812_191.png") top left no-repeat;
}

.hangul_book .R4 .box {
    background: #fff url("/assets/images/20190812_194.png") top left no-repeat;
}

.hangulcontent>.bgbx .box>h4 {
    font-family: 'BinggraeBold';
    color: #fff;
    font-size: 22px;
    padding: 21px;
}

.hangulcontent .box .body {
    padding: 20px;
    overflow: hidden;
}

.hangulcontent .box .body .row {
    text-align: center;
}

.hangul_principle>.R2 .box .row {
    margin-top: 40px;
    margin-bottom: 40px;
}

.hangulcontent .box .body h5 {
    font-size: 18px;
    font-weight: 500;
    padding: 10px 0;
}

.hangul_principle>.R2 .box .row .desc {
    padding: 0px;
}

.hangulcontent .box img {
    width: 90%;
}

.hangulcontent .box p {
    padding: 0 20px;
    font-weight: 400 !important;
    font-size: 18px !important;
    line-height: 27px;
}

.hangulcontent>.bgbx>p {
    padding: 15px;
    font-size: 17px !important;
    font-weight: 400 !important;
    line-height: 22px;
}

.hangul_principle>.R4 h4 {
    display: block;
    text-align: center;
    font-family: 'BinggraeBold';
    font-size: 24px;
    word-break: keep-all;
    padding: 30px 0 0;
    color: #ee436b;
    line-height: 35px;
}

.hangul_principle>.R5 .head {
}

.hangul_principle>.R5 .head>img {
    vertical-align: bottom;
    margin-right: 20px;
}

.hangul_principle>.R5 .body {
    overflow: hidden;
    display: block;
    background: url(/assets/images/20190812_156.png) top left repeat;
    background-color: #f3f3f3;
    padding: 50px 30px 50px 20px;
}

.hangul_principle>.R5 .body h5 {
    font-family: 'BinggraeBold';
    font-size: 24px;
    padding: 30px 0;
    text-align: center;
    color: #000;
}

.hangul_principle>.R5 .body img {
    width: 80%;
}

.hangul_principle>.R5 .body p {
    padding: 10px 20px;
    color: #000;
    font-size: 17px !important;
    font-weight: 400 !important;
    line-height: 22px;
}

.hangulcontent .box .body .cover {
    float: left;
    width: 300px;
    padding: 10px 0px 0px;
}

.hangulcontent .box .body .info {
    margin-left: 310px;
}

.hangulcontent .body .card {
    text-align: center;
    border-radius: 20px;
    height: 0;
    margin-bottom: 10px;
    padding-bottom: 135%;
}

.hangulcontent .body .card h5 {
    font-family: 'Binggrae';
    font-weight: 600;
    font-size: 22px;
    padding: 30px 0 10px 0;
    color: #4769b2;
    white-space: initial !important;
    overflow: initial !important;
}

.hangul_method .box .body .card {
    height: 500px;
}

.hangul_principle .body .card h5 {
    color: #000;
    font-family: 'BinggraeBold';
    font-size: 24px;
    line-height: 50px;
}

.hangul_principle>.R5 .body>div:nth-child(1)>.card {
    background-color: #f6b4d1;
}

.hangul_principle>.R5 .body>div:nth-child(2)>.card {
    background-color: #f179ab;
}

.hangul_principle>.R5 .body>div:nth-child(3)>.card {
    background-color: #32beef;
}

.hangul_principle>.R5 .body>div:nth-child(4)>.card {
    background-color: #9adaf0;
}

.hangul_method .box .body .card {
    padding: 50px 30px;
    margin-bottom: 10px;
}

.hangulcontent .box .body .card .iwrap {
    height: 220px;
    position: relative;
}

.hangulcontent .box .body .card .iwrap img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hangul_method .body>div:nth-child(1)>.card {
    background-color: #feede3;
}

.hangul_method .body>div:nth-child(2)>.card {
    background-color: #c5d0e9;
}

.hangul_method .body>div:nth-child(3)>.card {
    background-color: #d1ecec;
}

.hangul_method .body>div:nth-child(4)>.card {
    background-color: #e6dbec;
}

.hangul_method .body>div:nth-child(5)>.card {
    background-color: #ffeed2;
}

.hangul_method .body>div:nth-child(6)>.card {
    background-color: #d0e7c9;
}

.hangul_book .box .body .info h5 {
    font-family: 'BinggraeBold';
    font-size: 28px;
    display: block;
    border-bottom: 3px dotted #ebebeb;
    padding-bottom: 3px;
}

.hangul_book .R2 .box .body .info h5 {
    color: #9352a0;
}

.hangul_book .R3 .box .body .info h5 {
    color: #00b9b5;
}

.hangul_book .R4 .box .body .info h5 {
    color: #6ebe44;
}

.hangul_book .box .body .info label {
    font-family: 'BinggraeBold';
    font-size: 18px;
    opacity: .9;
    padding-bottom: 12px;
    margin: 0px;
    padding: 10px 0;
    color: #333;
}

/************ hangul principle *************/


div.hangul_principle > div.R2
{
    position: relative;
    display: block;
    text-align: center;
    overflow: hidden;
    padding: 100px 20px;
}
div.hangul_principle img
{
    max-width: 100%;
}
div.hangul_principle > div.R2 > img:first-child
{
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
}
div.hangul_principle > div.R2 > article
{
    position: relative;
    text-align: center;
}
div.hangul_principle > div.R2 > article:nth-child(2) > div
{
    position: relative;
    width: 90%;
    display: inline-block;
    margin-top: 30px;
}
div.hangul_principle > div.R2 > article:nth-child(2) > div img:nth-child(1),
div.hangul_principle > div.R2 > article:nth-child(2) > div img:nth-child(2)
{
    position: absolute;
    z-index: 1;
    height: 130%;
    top: 50%;
    transform: translateY(-50%);    
}
div.hangul_principle > div.R2 > article:nth-child(2) > div img:nth-child(1)
{
    left: 0;
}
div.hangul_principle > div.R2 > article:nth-child(2) > div img:nth-child(2)
{
    right: 0;
}
div.hangul_principle > div.R2 > article:nth-child(2) > div > img:nth-child(3)
{
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 0;
}
div.hangul_principle > div.R2 > article:nth-child(2) > div > header
{
    position: relative;
    color: #fff;
    padding: 30px 80px;
    word-break: keep-all;
    font-size: 23px;
    z-index: 2;
    line-height: 35px;
}
div.hangul_principle > div.R2 > article:nth-child(2) > div > header b
{
    color: #fff100;
}
div.hangul_principle > div.R2 > article > img:nth-child(5)
{
    width: 80%;
}
div.hangul_principle > div.R6
{
    display: block;
    overflow: hidden;
}
div.hangul_principle > div.R6 > article:nth-child(1)
{
    padding: 50px 20px;
}
div.hangul_principle > div.R6 > article:nth-child(1) > img:first-child
{
    margin: 50px 0;
}
div.hangul_principle > div.R6 > article:nth-child(1) p
{
    padding: 15px 0;
    font-size: 20px;
    color: #000;
    line-height: 1.5;
}
div.hangul_principle > div.R6 > article:nth-child(1) p b
{
    font-size: 50px;
    font-weight: 300;
}
div.hangul_principle > div.R6 > article:nth-child(2)
{
    padding-right: 0;
}

/************ hangul curriculum *************/

div.hangul_curriculum .box p {
    padding: 20px 30px 30px;
    word-break: keep-all;
    line-height: 1.5;
    text-align: center;
    margin: 0;
}

.hangul_curriculum div.R3 .box .body a {
    display: inline-block;
    margin: 70px 0 20px;
    width: 60%;
}

.hangul_curriculum div.R3 .box .body h5:nth-child(3) {
    font-family: 'Binggrae';
    padding: 30px 0 30px;
    color: #FF4611;
}

.hangul_curriculum > .bgbx .box > h4 {
    text-align: center;
    color: #FFE000;
}

.hangul_curriculum div.R3 .box .body h5:nth-child(3) {
    font-family: 'Binggrae';
    padding: 30px 0 30px;
    color: #FF4611;
}

.hangul_curriculum div.R4 .box .body a {
    display: inline-block;
    margin: 70px 0 20px;
    width: 60%;
}

.hangul_curriculum div.R5 .body > div.row img {
    width: 60%;
}

.hangul_curriculum div.R5 .body > div.row {
    width: 90%;
    background-color: #FEF7E3;
    display: inline-block;
    border-radius: 20px;
    padding: 30px 0;
    margin: 5px 0;
}

.hangul_curriculum div.R5 .body > div.row:nth-child(2) {
    background-color: #EBF6F1;
}

.hangul_curriculum div.R5 .body > div.row > div:nth-child(2) p, 
.hangul_curriculum div.R5 .body > div.row > div:nth-child(2) header {
    padding: 0 0 0 20px;
    margin: 0;
    text-align: left;
    color: #000;
}

.hangul_curriculum div.R5 .body > div.row > div:nth-child(2) header {
    font-size: 23px;
    font-family: 'BinggraeBold';
    padding: 50px 0 20px 20px;
}

.hangul_curriculum div.R5 .body > div.row > div:nth-child(2) > div {
    padding-top: 70px;
    text-align: left;
}

.hangul_curriculum div.R5 .body > div.row > div:nth-child(2) span {
    padding: 0 0 0 20px;
    font-size: 15px;
    font-weight: 300;
    display: inline-block;
    opacity: 1;
}

/************ hangul method *************/


.hangul_method .box .body
{
    padding: 60px 20px 50px;
    text-align: center;
}
.hangul_method > .bgbx .box > h4
{
    color: #fff;
}
.hangul_method > .bgbx .box > h4 b
{
    color: #FFE000;
}
.hangul_method div.R2 div.row
{
    width: 90%;
    margin: 0 auto;
}
.hangul_method div.row p
{
    word-break: keep-all;
}
.hangul_method div.R2 div.row > div
{
    padding: 5px 0;
}
.hangul_method div.R2 div.body p:nth-child(3)
{
    padding: 20px 30px 30px;
    word-break: keep-all;
    line-height: 1.5;
    text-align: left;
    margin: 0;
}
.hangul_method div.R2 div.row > header
{
    font-size: 25px;
    line-height: 33px;
    font-family: 'Binggraebold';
    padding: 80px 0 10px;
}
.hangul_method div.R2 div.row > p
{
    padding-bottom: 10px;
}
.hangul_method div.R3 div.row
{
    width: 90%;
    margin: 0 auto;
}
.hangul_method div.R3 div.row > div
{
    padding: 5px 0;
}
.hangul_method div.R3 div.row > div > header
{
    font-size: 25px;
    font-family: 'Binggraebold';
    padding: 80px 0 10px;
}
.hangul_method div.R3 div.row > div > p
{
    margin-top: 0;
}
.hangul_method div.R4 div.row
{
    margin-bottom: 40px;
}
.hangul_method div.R4 div.row:first-child
{
    margin-bottom: 100px;
}
.hangul_method div.R4 div.row > div:nth-child(2)
{
    text-align: left;
}
.hangul_method div.R4 div.row > div:nth-child(2) header
{
    font-size: 23px;
    font-family: 'BinggraeBold';
    padding: 50px 0 20px 20px;
}
.hangul_method div.R4 div.row > div:nth-child(2) header span
{
    padding: 7px 14px;
    background-color: #2D2F92;
    color: #fff;
    font-weight: 600;
    border-radius: 100px;
    vertical-align: middle;
    margin-right: 10px;
    font-size: 18px;
}
.hangul_method div.R4 div.row:nth-child(3) div > header
{
    display: inline-block;
    font-size: 18px;
    margin: 30px auto 20px;
    font-weight: 400;
    padding: 10px 30px;
    background-color: #f0515f;
    color: #fff;
    border-radius: 100px;
    text-align: center;
}
.hangul_method div.R4 div.row:nth-child(4)
{
    margin-top: 40px;
    display: inline-block;
}
.hangul_method div.R4 div.row:nth-child(5),
.hangul_method div.R4 div.row:nth-child(4),
.hangul_method div.R4 div.row:nth-child(3),
.hangul_method div.R4 div.row:nth-child(2),
.hangul_method div.R4 div.row:nth-child(1)
{
    background-color: #fffad5;
    margin: 0 auto;
    padding: 70px 0 50px;
    width: 90%;
    text-align: center;
    display: block;
}
.hangul_method div.R4 div.row:nth-child(4),
.hangul_method div.R4 div.row:nth-child(2)
{
    padding: 60px 0 0;
}
.hangul_method div.R4 div.row:nth-child(5),
.hangul_method div.R4 div.row:nth-child(3)
{
    padding: 0 0 60px;
}
.hangul_method div.R4 div.row:nth-child(5) div > header
{
    display: inline-block;
    font-size: 18px;
    margin: 30px auto 20px;
    font-weight: 400;
    padding: 10px 30px;
    background-color: #f0515f;
    color: #fff;
    border-radius: 100px;
    text-align: center;
}
.hangul_method div.R4 div.row:nth-child(4) > div:nth-child(2) header span
{
    background-color: #00aeef;
}
.hangul_method div.videoWrap
{
    float: none;
    text-align: center;
    display: inline-block;
    margin: 0 auto;
    width: 80%;
}
.hangul_method div.R2 div.row div.videoContainer,
.hangul_method div.videoContainer
{
    position: relative;
	padding-bottom: 56.25%;
	padding-top: 30px;
	height: 0;
	overflow: hidden;
}
.hangul_method .videoContainer iframe,
.hangul_method .videoContainer object,
.hangul_method .videoContainer embed {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

@media screen and (max-width: 1000px) {
    body .header .screen .mnu,
    body .header .screen .quickmnu {
        display: none;
    }

    body .header .logobx {
        width: 100%;
        padding: 0px 10px;
        height: 60px;
        line-height: 50px;
        text-align: initial;
        z-index: 2;
    }

    body .header .logobx .btn-mnu {
        display: inline-block;
        font-size: 30px;
        color: #FF5722;
        text-shadow: none;
        line-height: 60px;
        position: relative;
        top: 15px;
    }

    body .header .logobx .logo {
        float: right;
        line-height: 55px;
        position: relative;
        top: 13px;
        left: initial;
        height: 40px;
    }

    .header nav.screen.fixed .logobx .logo {
        top: 13px;
    }

    body .header .logobx .logo > img {
        height: 25px;
    }

    body .section.main .box h1 {
        font-size: 25px;
        line-height: 33px;
    }
    body .section.main::before {
        background-position: top right;
        opacity: .4;
    }

    body .section.main .box {
        text-align: center;
    }

    body .section.main .box .title {
        text-align: left;
    }

    body .section.main .box .desc {
        text-align: left;
    }
}

@media screen and (max-width: 760px) {
    .hangul_principle > .R5 .body img {
        width: 50%;
    }

    .hangul_method .box img,
    .hangul_method div.R4 div.row:nth-child(5),
    .hangul_method div.R4 div.row:nth-child(4),
    .hangul_method div.R4 div.row:nth-child(3),
    .hangul_method div.R4 div.row:nth-child(2),
    .hangul_method div.R4 div.row:nth-child(1)
    {
        width: 100%;
    }
    .hangul_method div.videoWrap
    {
        width: 90%;
    }

    .section.main .box {
        padding: 20px;
    }
}

@media screen and (max-width: 640px) {
    div.hangul_principle > div.R2 > article:nth-child(2) > div > header {
        padding: 10px 25px;
        font-size: 15px;
    }

    .hangul_method div.R4 div.row > div:nth-child(2) header
    {
        padding-left: 0;
    }

    body .hangulcontent>.bgbx .box>h4 {
        font-size: 17px;
    }
    
    body .hangulcontent>.R1 {
        background: none;
    }
    
    body .hangulcontent .body h4 {
        font-size: 25px;
    }
    
    body .hangulcontent>.R1 .body {
        float: none;
        width: auto;
    }
    
    .hangulcontent .box .body {
        padding: 10px;
    }
    
    body .hangulcontent>.bgbx {
        padding: 5px;
    }
    
    body .hangul_principle>.R2 .box .row .desc {
        padding: 0px;
    }
    
    body .hangul_principle>.R5 .head>img:nth-child(2) {
        width: 100%;
    }
    
    body .hangulcontent .box p {
        padding: 0px;
    }
    
    body .hangulcontent>.bgbx>p {
        padding: 20px 10px;
    }
    
    body .hangul_method .box .body .card {
        padding: 30px 10px;
        height: 430px;
    }
    
    body .hangulcontent .body .card {
        height: 450px;
    }
    
    body .hangulcontent .body .card h5 {
        padding: 10px 0;
        margin: 0px;
    }
    
    body .hangulcontent .box .body .cover {
        float: none;
    }
    
    body .hangulcontent .box .body .info {
        margin: 0px;
    }
}

@media screen and (max-width: 420px) {
}