*:focus-visible {
  outline-color: #ff00ff !important;
}
.header {
  width: 100%;
  color: #fff;
}
.header * {
  font-family: 'NanumSquareR';
  font-size: 14px;
}
/* .header *:focus {outline : none;} */
.header button {
  border: none;
  background: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
}
.header .wrap {
  width: 810px;
  padding: 0 20px;
  margin: 0 auto;
}
.header .wrap:after {
  content: '';
  display: block;
  clear: both;
}
.header .bgc_bk {
  background-color: #27272f;
}
.header .bgc_darkGray {
  background-color: #363640;
}
.header .right {
  float: right;
}
.header .toolbars {
  padding: 10px 0;
}
.header .toolbars .PC_Btn {
  display: inline-block;
  font-weight: bold;
  line-height: 30px;
  padding: 0 15px;
  color: #333;
  background: #ccc;
  border: none;
  border-radius: 5px;
}
.header .toolbars .M_Btn {
  display: none;
  vertical-align: middle;
}
.header .toolbars .rightMenuBtn.M_Btn {
  margin-top: 5px;
}
.header .toolbars .finishInfo {
  display: inline-block;
  margin-left: 10px;
  line-height: 30px;
}
.header .countdown {
  color: #ffd500;
}
.header .playerInfo {
  padding: 15px 0;
}
.header .playerInfo::after {
  display: block;
  content: '';
  clear: both;
}
.header .progressCnt {
  position: relative;
  display: inline-block;
  width: 48%;
  height: 40px;
  box-sizing: border-box;
}
.header .videoProgress {
  float: left;
}
.header .pageInfo {
  float: right;
}
.header .progressCnt .right {
  line-height: 40px;
}
.header .progressCnt .label {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 18px;
}
.header .progressCnt small {
  position: absolute;
  bottom: 0;
  left: 0;
  font-family: 'µ¸¿ò';
  font-size: 11px;
  color: #aaa;
}
.header .videoProgress .progress {
  position: relative;
  display: inline-block;
  width: 80px;
  height: 12px;
  background: #fff;
  border-radius: 6px;
  margin-right: 10px;
  vertical-align: middle;
}
.header .videoProgress .progress .progressBar {
  position: absolute;
  display: inline-block;
  width: 60%;
  height: 100%;
  background: #6dcdff;
  border-radius: 6px;
}
.header .videoProgress .percentage {
  font-size: 22px;
  color: #6dcdff;
}
.header .pageInfo ol {
  display: flex;
  margin: 0;
  padding: 0;
}
.header .pageInfo li {
  display: inline-block;
  width: 24px;
  height: 24px;
  line-height: 22px;
  text-align: center;
  margin: 8px;
  border: 2px solid transparent;
  color: #787878;
}
.header .pageInfo li.on {
  color: #6dcdff;
  border: 2px solid #6dcdff;
  border-radius: 14px;
}

.header .menu {
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  height: 100%;
  overflow-y: auto;
  transition: all 0.3s;
  position: relative;
}
.menu .title {
  padding: 15px 20px;
  width: 360px;
  position: fixed;
  box-sizing: border-box;
}
.menu.rightMenu .title {
  width: 320px;
}
.menu .title h2 {
  display: inline-block;
  font-size: 20px;
  line-height: 30px;
}
.menu .closeBtn {
  position: fixed;
  top: 10px;
  left: 300px;
}
.menu.rightMenu .closeBtn {
  left: inherit;
  right: 10px;
}
.menu li {
  background: #4e4e5b;
  border-bottom: 1px solid #27272f;
}
.menu h4 {
  display: inline-block;
  font-size: 18px;
  line-height: 30px;
}
.header .leftMenu {
  left: -100%;
  /* transform : translateX(-370px);
  -ms-transform : translateX(-370px);
  -webkit-transform : translateX(-370px);
  -moz-transform : translateX(-370px);
  -o-transform : translateX(-370px); */
  width: 360px;
  background: #363640;
  transition: all 0.3s;
}
.header .leftMenu .date {
  padding: 10px 20px;
  background: #363640;
}
.header .leftMenu .date span {
  font-size: 12px;
}
.header .leftMenu h4 {
  width: 65px;
}
.header .leftMenu h5 {
  display: inline-block;
  width: 65px;
  font-size: 16px;
  line-height: 50px;
  font-weight: normal;
  margin-left: 20px;
}
.header .leftMenu .classInfo .studyBtn {
  display: inline-block;
  width: 90px;
  height: 50px;
  color: #fff;
  border: none;
  float: right;
}
.header .leftMenu .classInfo .studyBtn::after {
  display: block;
  line-height: 50px;
}
.header .leftMenu .uncompleted::after {
  content: '¹Ì¿Ï·á';
  color: #aebdcd;
}
.header .leftMenu .completion::after {
  content: '¿Ï·á';
  color: #fff;
}
.header .leftMenu .past .studyBtn::after {
  content: 'º¹½ÀÇϱâ';
  background: #727284;
}
.header .leftMenu .ing .studyBtn::after {
  content: 'ÇнÀÇϱâ';
  background: #0388ee;
}
.header .leftMenu .ing .date *,
.header .leftMenu .ing h5 {
  color: #6dcdff;
}
.header .leftMenu .future .classInfo {
  display: none;
}
.header .rightMenu {
  float: right;
  width: 320px;
  background: #363640;
  overflow: hidden;
}
.header .rightMenu .search {
  background: #363640;
  border: none;
}
.header .rightMenu .search form {
  position: relative;
  height: 30px;
}
.header .rightMenu .search form img {
  position: absolute;
  top: -5px;
}
.header .rightMenu .search .naver {
  left: -7px;
}
.header .rightMenu .search input {
  position: absolute;
  left: 23px;
  width: 215px;
  height: 28px;
  padding: 0 5px;
  margin: 0 10px;
  color: #fff;
  background: transparent;
  border: none;
  border-bottom: 1px solid #fff;
  border-radius: 0;
}

.header .rightMenu .search .searchBtn {
  position: absolute;
  top: -3px;
  right: -5px;
  height: 40px;
}

.header .rightMenu .search .searchBtn img {
  position: relative;
}
.header .rightMenu li {
  padding: 10px 20px;
}
.header .rightMenu li h4 {
  font-weight: normal;
}
.header .rightMenu li .plusBtn {
  float: right;
  margin-top: -5px;
  margin-right: -8px;
}

.timetables {
  margin-top: 69px;
}
/* .header button:focus,
.hearder .searchBtn:focus,
.plusBtn:focus {
  outline: #006cd0 dashed 1px;
} */

.header .nav {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  transition: left 0.3s;
  display: none;
}
.header .nav.on {
  left: 0;
  display: block;
  /* transform : translateX(0);
  -ms-transform : translateX(0);
  -webkit-transform : translateX(0);
  -moz-transform : translateX(0);
  -o-transform : translateX(0); */
}

.header .leftNav {
  left: -100%;
  /* transform : translateX(-100%);
  -ms-transform : translateX(-100%);
  -webkit-transform : translateX(-100%);
  -moz-transform : translateX(-100%);
  -o-transform : translateX(-100%); */
}
.header .rightNav {
  left: 100%;
  /* transform : translateX(100%);
  -ms-transform : translateX(100%);
  -webkit-transform : translateX(100%);
  -moz-transform : translateX(100%);
  -o-transform : translateX(100%); */
}
.header .nav.on .leftMenu {
  left: 0;
  /* transform : translateX(0);
  -ms-transform : translateX(0);
  -webkit-transform : translateX(0);
  -moz-transform : translateX(0);
  -o-transform : translateX(0); */
}
.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 998;
}
.overlay.on {
  display: block;
}

.alert {
  padding: 16px;
  line-height: 1.6;
  max-width: 540px;
  width: 90%;
  border: 1px solid transparent;
  border-radius: 4px;
  position: fixed;
  left: 50%;
  top: 50%;
  background-color: #fff;
  transform: translate(-50%);
  z-index: 999;
}
.alert.info {
  color: #31708f;
  background-color: #d9edf7;
  border-color: #bce8f1;
}

.alert.warning {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
}

.btn {
  display: inline-block;
  padding: 6px 12px;
  white-space: nowrap;
  text-align: center;
  vertical-align: middle;
  line-height: 1.4;
  cursor: pointer;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  color: #333;
  background-image: none;
  background-color: #fff;
  border: 1px solid transparent;
  border-radius: 4px;
  border-color: #ccc;
}

.btn.focus,
.btn:focus,
.btn:hover {
  color: #333;
  background-color: #e6e6e6;
  border-color: #adadad;
  text-decoration: none;
}

.btn.ok {
  color: #fff;
  background-color: #337ab7;
  border-color: #2e6da4;
}

.btn.ok.focus,
.btn.ok:focus,
.btn.ok:hover {
  color: #fff;
  background-color: #286090;
  border-color: #204d74;
}

.buttons {
  margin-top: 20px;
}

.buttons .btn {
  margin-left: 5px;
}
.buttons .btn:first-child {
  margin-left: 0;
}
.text-right {
  text-align: right;
}
.sr-only {
  position: absolute;
  display: block;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  margin: -1px;
  border: 0;
  clip: rect(0, 0, 0, 0);
}

@media screen and (max-width: 812px) {
  .header .wrap {
    width: 100%;
    box-sizing: border-box;
  }
  .header .playerInfo {
    height: auto;
    padding: 10px 0;
  }
  .header .videoProgress {
    float: none;
  }
  .header .toolbars .PC_Btn {
    display: none;
  }
  .header .toolbars .M_Btn {
    display: inline-block;
  }
  .header .toolbars .finishInfo span {
    font-size: 12px;
  }
  .header .progressCnt {
    height: 30px;
    line-height: 30px;
  }
  .header .progressCnt .right {
    line-height: 30px;
  }
  .header .progressCnt small {
    display: none;
  }
  .header .videoProgress small {
    display: block;
    background: #363640;
    top: 0;
    right: 0;
    left: auto;
    z-index: 9;
    width: 200px;
    text-align: right;
  }
  .header .progressCnt.active small {
    display: none !important;
  }
  .header .pageInfo li {
    margin: 4px 6px;
  }
}

@media screen and (max-width: 600px) {
  .header .progressCnt {
    width: 100%;
  }
  .header .playerInfo {
    padding: 15px 0;
  }
  .header .videoProgress {
    margin-bottom: 10px;
  }
  .header .pageInfo {
    float: none;
  }
}

@media screen and (max-width: 360px) {
  .header .toolbars .M_Btn {
    width: 24px;
  }
  .header .leftMenu {
    width: 320px;
  }
  .leftMenu > .title {
    width: 320px;
  }
  .header .leftMenu h4 {
    width: 50px;
    font-size: 16px;
  }
  .header .leftMenu .date span {
    font-size: 10px;
  }
  .header .leftMenu h5 {
    width: 50px;
    font-size: 14px;
  }
}

/*20190225*/
#progress-container {
  position: relative;
}
.progress-complete {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99;
}
.progress-complete span {
  opacity: 1;
  font-size: 18px;
}

#sidebar-tools .menu li {
  position: relative;
  box-sizing: border-box;
  min-height: 40px;
}
#sidebar-tools .menu .plusBtn {
  float: none;
  position: absolute;
  display: block;
  top: 6px;
  right: 20px;
  margin-top: 0;
}

.M_return {
  display: block;
  width: 100%;
  padding: 15px;
  text-align: center;
  background: #ff8d00;
  color: #fff;
}