/*******************/
/* 폰트 */
/* @font-face {
  font-family: "jalnan";
  src: url("../font/Jalnan.ttf") format("truetype");
} */

/*******************/
/* 공통 */
input[type="text"] {
  margin: 0;
  border: none;
  outline: none;
  background-color: transparent;
  color: #000;
}

body {
  background-color: black;
}
#root {
  visibility: hidden;
}
img.bg {
  position: absolute;
  left: 0;
  top: 0;
}
.loading {
  display: flex;
  justify-content: center;
  align-items: center;

  position: absolute;
  left: calc(50% - 160px);
  top: calc(50% - 90px);
}

.loading img {
  position: absolute;
  left: 0;
  top: 0;
}
.loading .dots {
  position: relative;
}
.loading .dots .dot {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #25ffb6;
}
.loading .dots .dot:nth-child(1) {
  left: 131px;
  top: 83px;
  animation: aniWatch 1s 0s infinite linear;
}
.loading .dots .dot:nth-child(2) {
  left: 153px;
  top: 83px;
  animation: aniWatch 1s 0.1s infinite linear;
}
.loading .dots .dot:nth-child(3) {
  left: 175px;
  top: 83px;
  animation: aniWatch 1s 0.2s infinite linear;
}
@keyframes aniWatch {
  0% {
    transform: translateY(0px);
  }
  20% {
    transform: translateY(-3px);
  }
  40% {
    transform: translateY(0px);
  }
  60% {
    transform: translateY(3px);
  }
  80% {
    transform: translateY(0px);
  }
  100% {
    transform: translateY(0px);
  }
}

#content > .bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: contain;
}
.semester-0 #content > .bg {
  background-image: url(../image/bg0.png);
}
.semester-1 #content > .bg {
  background-image: url(../image/bg1.png);
}

/*******************/
/* 진도저장 버튼 */
.progressButton {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 258px;
  left: 182px;
  width: 110px;
  height: 30px;
  font-size: 18px;
  font-family: NotoSansBold;
  color: #514b94;
  border-radius: 20px;
  background-color: #fff;
  z-index: 1;
  cursor: pointer;
}

.progressButton span {
  position: relative;
  top: -2px;
  cursor: pointer;
}

.progressButton:hover {
  color: #fff;
  background-color: #847dd1;
}

.Progress {
  display: none;
}

/*******************/
/* 내 수업하기 */
.myClassMaker {
  position: absolute;
  top: 0;
  right: 0;
  background: #fff;
}

.myClassMakerButton {
  display: inline-block;
  border: 1px solid;
  cursor: pointer;
}

/*******************/
/* .html-cont */
.html-cont .page .input {
  position: absolute;
  left: 1138px;
  top: 676px;
  width: 51px;
  height: 23px;
  /* background-color: rgba(255, 0, 0, 0.5); */
  padding: 0 6px;
  font-family: NSREB;
  font-size: 16px;
  text-align: right;
  border: none;
}
.html-cont .page .btn-go {
  position: absolute;
  left: 1192px;
  top: 676px;
  width: 24px;
  height: 23px;
  /* background-color: rgba(255, 0, 0, 0.5); */
}

.html-cont .btn-help {
  position: absolute;
  left: 1225px;
  top: 673px;
  width: 30px;
  height: 30px;
  /* background-color: rgba(255, 0, 0, 0.5); */
}

.html-cont .btns-bottom {
  /* display: flex; */
  /* justify-content: flex-start; */
  /* align-items: flex-start; */
  position: absolute;
  left: 0px;
  top: 648px;
  /* gap: 10px; */
}

.html-cont .btns-bottom > .btn {
  /* margin-right: 2px; */
  position: absolute;
  width: 60px;
  height: 60px;
  /* background-color: rgba(255, 0, 0, 0.5); */
}
.html-cont .btns-bottom > .btn:nth-child(1) {
  left: 465px;
}
.html-cont .btns-bottom > .btn:nth-child(2) {
  left: 552px;
}
.html-cont .btns-bottom > .btn:nth-child(3) {
  left: 627px;
}
.html-cont .btns-bottom > .btn:nth-child(4) {
  left: 689px;
}
.html-cont .btns-bottom > .btn:nth-child(5) {
  left: 756px;
}
.html-cont .btns-bottom > .btn:nth-child(6) {
  left: 823px;
}

/*******************/
/* .header */
.header {
  display: none;
}

/*******************/
/* .footer */
.footer {
  display: none;
}

/*******************/
/* .navi */
.navi {
  display: none;
}
