body {
  box-sizing: border-box;
  position: relative;
}
.hidden {
  display: none !important;
}
.top-menu {
  width: 100%;
  height: 85px;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  border-bottom: 1px solid gray;
  z-index: 200;
}
#naverIdLogin {
  width: 4rem;
  height: 4rem;
  cursor: pointer;
  border-radius: 30px;
}
#naverIdLogin_loginButton img {
  border-radius: 30px;
}
.login-btn-kakao {
  background-image: url("../img/img_login1_kakao.png");
  background-size: cover;
  background-repeat: no-repeat;
}

.social-sdk-host {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.social-login-busy {
  opacity: 0.55;
  pointer-events: none;
}
.login-btn-google {
  background-image: url("../img/img_login2_google.png");
  background-size: cover;
  background-repeat: no-repeat;
}
.login-btn-facebook {
  background-image: url("../img/img_login3_facebook.png");
  background-size: cover;
  background-repeat: no-repeat;
}
.login-btn-naver {
  background-image: url("../img/img_login3_naver.png");
  background-size: cover;
  background-repeat: no-repeat;
}

.top-menu .logo {
  width: 6.5rem;
  height: 2.7rem;
  color: white;
  margin-left: 30px;
  background-image: url("../img/img_main6_1.png");
  background-size: cover;
  background-repeat: no-repeat;
  cursor: pointer;
}
.top-btns {
  display: flex;
}
.top-btns .login,
.enroll {
  width: 120px;
  height: 40px;
  font-family: "Nanum Barun Gothic", sans-serif;
  color: gray;
  font-weight: 600;
  outline: none;
  border: 1.4px solid gray;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 30px;
  margin-right: 15px;
  cursor: pointer;
}
.enroll {
  background-color: rgb(52, 220, 116);
  color: white !important;
  border: 1.4px solid white;
  margin-right: 60px;
  text-decoration: none !important;
}
.bg-video__content {
  /*   position: absolute;
top: 0;
left: 0; */
  width: 100%;
  height: 100%;
}

.banner1 {
  width: 100%;
  height: auto;
  margin-top: 75px;
  position: relative;
}
.banner1__center {
  position: absolute;
  top: 5%;
  left: 26%;
  width: 40rem;
  height: 20rem;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.banner1__center__logo {
  width: 15.5rem;
  height: 6.5rem;
  margin-bottom: 1.5rem;
}
.banner1__center__subtitle {
  font-size: 1.9rem;
  color: white;
  font-weight: 300;
  text-align: left;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.strong {
  font-size: 3rem;
  color: white;
  font-weight: 600;

  font-family: "Nanum Barun Gothic", sans-serif;
  background-color: rgb(55, 223, 135);
  padding: 0.5rem;
}

.first-row {
  text-align: left;
  line-height: 2.3rem;
  margin-bottom: -1.5rem;
}
.feature {
  font-family: "Nanum Barun Gothic", sans-serif;
  font-size: 1rem;
  font-weight: 200;
  text-align: left;
  margin-bottom: 0.4rem;
  margin-left: 1.2rem;
}
.semi-strong {
  background-color: transparent;
  font-size: 2.3rem;
  color: white;
  font-weight: 600;
}
.cafe-btn {
  width: 15rem;
  height: 2.5rem;
  cursor: pointer;
  background-image: url("../img/naver-cafe@3x.png");
  background-size: cover;
  background-repeat: no-repeat;
}
.thin {
  font-weight: 300;
}
.banner2 {
  height: 50rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner2__inner {
  width: 100%;
  height: 100%;
  margin-top: 10%;
  display: flex;
  justify-content: center;
}
.banner2__left {
  width: 33.9rem;
  height: 23rem;
  margin-top: 5rem;
  background-image: url("../img/img_main2_1.png");
  background-size: cover;
}
.banner2__right {
  width: 33.9rem;
  height: 27rem;
  margin-top: 3rem;
  background-image: url("../img/img_main2_2.png");
  background-size: cover;
  margin-left: 3%;
}
.banner2__right--top {
  margin-top: 25%;
  display: flex;
  letter-spacing: -0.01rem;
  text-align: left;
  margin-left: -0.5%;
  justify-content: flex-start;
  font-size: 1.9rem;
  font-weight: 700;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.banner2__right--bottom {
  margin-top: 2rem;
  text-align: left;
  font-size: 1.25rem;
  color: rgb(33, 30, 30);
  margin-left: -1%;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.banner3 {
  width: 100%;
  height: 65rem;
  display: flex;
  justify-content: center;
  align-items: center;
  display: flex;
  flex-direction: row;
}
.banner3__innter {
  width: 100%;
  height: 100%;
  margin-top: 10%;
  display: flex;
  justify-content: center;
}
.banner3__left {
  width: 26rem;
  height: 28.5rem;
  margin-top: 5rem;
  background-image: url("../img/img_main3_1.png");
  background-size: cover;
}
.banner3__left--top {
  margin-top: 9.2rem;
  letter-spacing: -0.01rem;
  text-align: left;
  font-size: 1.9rem;
  font-weight: 700;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.hilight {
  background-color: rgb(255, 253, 96);
  padding-top: 0.2rem;
  padding-bottom: 0.2rem;
}
.banner3__left--bottom {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 1.25rem;
  color: rgb(33, 30, 30);
  font-weight: 400;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.banner3__right {
  width: 39.4rem;
  height: 29rem;
  margin-top: 5rem;
  background-image: url("../img/img_main3_2.png");
  background-size: cover;
  margin-left: 8rem;
}

.banner4 {
  width: 100%;
  height: 60rem;
  display: flex;
  justify-content: center;
  align-items: center;
  display: flex;
  position: relative;
  background-color: rgb(242, 242, 242);
  overflow: visible;
}
.banner4__inner {
  width: 100%;
  display: flex;
  position: relative;
  flex-direction: column;
  justify-content: top;
  align-items: center;
}
.banner4__deco--top {
  width: 15rem;
  height: 20rem;
  background-image: url("../img/img_main4_2.png");
  background-size: cover;
  position: absolute;
  top: 0;
  right: 0;
}
.banner4__deco--bottom {
  width: 15rem;
  height: 32rem;
  background-image: url("../img/img_main4_1m.png");
  background-size: cover;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 100;
}
.banner4__top--title {
  font-size: 1.9rem;
  font-weight: 700;
  width: 100%;
  padding-bottom: 1rem;
  font-family: "Nanum Barun Gothic", sans-serif;
  border-bottom: 4px solid gray;
}
.banner__top--subtitle {
  padding-top: 1.3rem;
  font-size: 1.25rem;
  color: rgb(33, 30, 30);
  font-weight: 400;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.banner4__bottom {
  margin-top: 2rem;
  width: 51rem;
  height: 28.3rem;
  align-self: center;
  background-image: url("../img/img_main4_3.png");
  background-size: cover;
}

.banner5 {
  width: 100%;
  height: 70rem;
  margin-top: -10rem;
  display: flex;
  justify-content: center;
  align-items: center;
  display: flex;
  position: relative;
  background-color: yellowgreen;
  background-color: rgb(242, 242, 242);
}
.banner5__inner {
  width: 100%;
  display: flex;
  position: relative;
  flex-direction: column;
  justify-content: top;
  align-items: center;
  margin-top: -8rem;
}
.banner5__deco--top {
  width: 15rem;
  height: 8rem;
  background-image: url("../img/img_main5_1.png");
  background-size: cover;
  position: absolute;
  top: 0;
  left: 0;
}
.banner5__deco--bottom {
  width: 15rem;
  height: 33rem;
  background-image: url("../img/img_main4_2m.png");
  background-size: cover;
  position: absolute;
  overflow: visible;
  z-index: 100;
  bottom: 0;
  right: 0;
}
.banner5__top--title {
  font-size: 1.9rem;
  font-weight: 700;
  width: 100%;
  padding-bottom: 1rem;
  font-family: "Nanum Barun Gothic", sans-serif;
  border-bottom: 4px solid gray;
}
.banner__top--subtitle {
  padding-top: 1.3rem;
  font-size: 1.25rem;
  color: rgb(33, 30, 30);
  font-weight: 400;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.banner5__bottom {
  margin-top: 2rem;
  width: 52rem;
  height: 23.1rem;
  align-self: center;
  background-image: url("../img/img_main5_4.png");
  background-size: cover;
}

.banner6 {
  width: 100%;
  height: 70rem;
  margin-top: -10rem;
  display: flex;
  justify-content: center;
  align-items: center;
  display: flex;
  position: relative;
  background-color: rgb(242, 242, 242);
}
.banner6__inner {
  width: 60rem;
  height: 40rem;
  margin-top: 29.5%;
  background-color: rgb(242, 242, 242);
  background-image: url("../img/img_main6_4.png");
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.banner6__logo {
  width: 18rem;
  height: 7.5rem;
  background-size: cover;
  background-image: url("../img/img_main6_1.png");
  margin-bottom: 1rem;
}
.banner6__title {
  font-size: 1.9rem;
  font-weight: 700;
  width: 100%;
  padding-bottom: 1rem;
  font-family: "Nanum Barun Gothic", sans-serif;
  letter-spacing: -0.01rem;
}
.banner6__btns {
  width: 30rem;
  height: 10rem;
  display: flex;
  justify-content: center;
  align-items: top;
}
.banner6__btn {
  width: 11rem;
  height: 3.45rem;
  overflow: visible;
  cursor: pointer;
}
.banner6__btn:not(:last-child) {
  margin-right: 0.5rem;
}
.banner6__btn-google {
  background-size: cover;
  background-image: url("../img/img_main6_2.png");
}
.banner6__btn-apple {
  background-size: cover;
  background-image: url("../img/img_main6_3.png");
}
#modal {
  display: none;
  background-color: #ffffff;
  position: absolute;
  top: 300px;
  left: 200px;
  padding: 10px;
  width: 600px;
  height: 300px;
  border: 2px solid #e2e2e2;
  z-index: 9999;
  opacity: 1;
  -webkit-transition: ALL 1000ms linear;
  transition: ALL 1000ms linear;
}

.swal-input {
  width: 25rem;
  margin-bottom: 0.5rem;
  outline: none;
}

.btn-test {
  width: 10rem;
  height: 3rem;
  background-color: blue;
}

.login-selection {
  display: flex;
  width: 29.5rem;
  height: 15rem;
  background-color: blue;
  margin-left: -0.3rem;
  justify-content: space-between;
}

.login-selection__teacher {
  width: 14rem;
  height: 15rem;
  background-color: red;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.teacher-img {
  width: 9rem;
  height: 9rem;
  background-color: white;
}

.teacher-text {
  font-size: 1.5rem;
}

.devider {
  width: 0.05rem;
  height: 15rem;
  background-color: gray;
}

.login-selection__student {
  width: 14rem;
  height: 15rem;
  background-color: green;
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.student-img {
  width: 9rem;
  height: 9rem;
  background-color: white;
}

.student-text {
  font-size: 1.5rem;
}

.enroll-alert {
  height: 12rem;
}

.enroll-input {
  width: 100%;
  height: 2rem;
  margin-bottom: 0.5rem;
}
.btn {
  width: 10rem;
  height: 2rem;
  background-color: blue;
  margin-bottom: 0.3rem;
  text-align: center;
  line-height: 2rem;
  color: white;
}

.devider-middel {
  width: 100%;
  height: 3rem;
  background-color: green;
  display: flex;
  flex-flow: row;
  align-items: center;
  padding: 0;
}

.devider-middel__left,
.devider-middel__right {
  width: 10rem;
  height: 0.3rem;
  background-color: red;
  display: inline;
}

.devider-middel__text {
  width: 3rem;
  height: 3rem;
  background-color: white;
  display: inline-block;
}

.enroll-alert__email-section {
  width: 29.5rem;
  height: 3rem;
  background-color: gray;
  display: flex;
  justify-content: center;
  align-items: center;
}
.email-btn {
  margin: 0 auto;
}

.footer {
  width: 100%;
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.4rem;
  padding: 1.6rem 2rem;
  border-top: 1px solid #e5ebe7;
  background: #fff;
}

.footer a {
  color: #5f6b65;
  font-size: 1.4rem;
  text-decoration: none;
}

.footer a:hover {
  color: #19b465;
}

.modal1,
.modal0 {
  position: fixed;
  top: 60%;
  left: 50%;
  width: 130rem;
  height: 115rem;
  background-color: rgb(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  visibility: collapse;
  opacity: 0;
  transition: all 0.3s;
  z-index: 300;
}

.modal3 {
  position: fixed;
  top: 60%;
  left: 50%;
  width: 130rem;
  height: 115rem;
  background-color: rgb(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  visibility: collapse;
  opacity: 0;
  transition: all 0.3s;
  z-index: 300;
}

.modal4 {
  position: fixed;
  top: 60%;
  left: 50%;
  width: 130rem;
  height: 115rem;
  background-color: rgb(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  visibility: collapse;
  opacity: 0;
  transition: all 0.3s;
  z-index: 300;
}

.find-pwd__row1--send-btn,
.revise-pwd-row1__revise-btn {
  width: 10rem;
  height: 2.5rem;
  background-color: rgb(55, 223, 135);
  color: white;
  font-family: "Nanum Barun Gothic", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 30px;
  margin-left: auto;
  margin-right: auto;
  cursor: pointer;
  margin-left: auto;
}
.modal0:target,
.modal1:target,
.modal3:target,
.modal4:target {
  visibility: visible;
  /* display: block; */
  display: block;
  top: 50%;
  opacity: 1;
}

.modal2 {
  position: fixed;
  top: 70%;
  left: 50%;
  width: 130rem;
  height: 130rem;
  background-color: rgb(0, 0, 0, 0.3);
  transform: translate(-50%, -50%);
  visibility: collapse;
  transition: all 0.3s;
  opacity: 0;
  z-index: 300;
}

.modal2:target {
  visibility: visible;
  opacity: 1;
  top: 60%;
}

.modal2__view {
  width: 40rem;
  height: 22rem;
  background-color: white;
  padding-top: 0.5rem;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30rem;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transition: all 1s;
}
.modal2:target .modal2__view {
  opacity: 1;
}
.modal2__btns {
  display: flex;
  width: 80%;
}
.modal2__teacher,
.modal2__student {
  width: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.teacher__bottom,
.student__bottom {
  padding-top: 0.5rem;
  border: 1px solid rgb(44, 40, 40);
  margin-top: 1rem;
  cursor: pointer;
  width: 10rem;
  border-radius: 30px;
  font-family: "Nanum Barun Gothic", sans-serif;
  font-weight: 300;
  height: 2.5rem;
}
.modal2__close-btn {
  margin-left: auto;
  width: 2rem;
  height: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 1rem;
  margin-top: 1rem;
  font-family: "Nanum Barun Gothic", sans-serif;
  font-size: 1.2rem;
  cursor: pointer;
  outline: none;
  text-decoration: none !important;
  color: black;
}
.modal2__title {
  font-family: "Nanum Barun Gothic", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.teacher__img {
  width: 8rem;
  height: 8.4rem;
  background-image: url("../img/img-login-1@3x.png");
  background-size: cover;
  cursor: pointer;
}
.student__img {
  width: 8rem;
  height: 9rem;
  background-image: url("../img/img-login-2@3x.png");
  background-size: cover;
  cursor: pointer;
}

.modal1__view,
.modal0__view {
  width: 40rem;
  height: 30rem;
  background-color: white;
  padding-top: 0.5rem;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30rem;
  border-radius: 3px;
}

.modal0__view {
  height: 21rem;
}

.modal3__view {
  width: 40rem;
  height: 27rem;
  background-color: white;
  padding-top: 0.5rem;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30rem;
  border-radius: 3px;
}
.modal4__view {
  width: 40rem;
  height: 34rem;
  background-color: white;
  padding-top: 0.5rem;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30rem;
  border-radius: 3px;
}
.pwd-more {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  font-family: "Nanum Barun Gothic", sans-serif;
  font-size: 0.8rem;
  color: rgb(188, 196, 204);
  cursor: pointer;
  font-weight: 300;
}
.modal1__close-btn,
.modal0__close-btn,
.modal3__close-btn {
  width: 2rem;
  outline: none;
  text-decoration: none !important;
  height: 2rem;
  margin-right: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  margin-left: auto;
  color: black;
}
.modal1__title,
.modal0__title,
.modal3__title {
  font-family: "Nanum Barun Gothic", sans-serif;
  font-weight: 700;
  margin-bottom: 2rem;
}
.modal4__title,
.revise-pwd-title {
  font-family: "Nanum Barun Gothic", sans-serif;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-left: 4rem;
}
.find-pwd__row1,
.revise-pwd-row1 {
  display: flex;
  padding-left: 4rem;
  margin-bottom: 0.6rem;
  justify-content: space-between;
}
.find-pwd__row1--desc,
.revise-pwd-row1__desc {
  text-align: left;
  font-family: "Nanum Barun Gothic", sans-serif;
  font-size: 0.85rem;
  color: rgb(188, 196, 204);
}
.modal1__login-btns,
.modal0__login-btns,
.modal3__login-btns {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.login {
  text-decoration: none !important;
  outline: none;
}
.login-btn {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  /* background-color: gray; */
  margin-right: 2.5rem;
  cursor: pointer;
}
.login-btn:last-child {
  margin-right: 0rem;
}
.modal1__seperator,
.modal0__seperator,
.modal3__seperator {
  width: 100%;
  height: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}
.seperator__middle {
  width: 8%;
  font-size: 0.8rem;
  color: rgb(188, 196, 204);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Nanum Barun Gothic", sans-serif;
}
.separator__left,
.seperator__right {
  width: 40%;
  height: 0.1px;
  background-color: rgb(188, 196, 204);
}
.modal1__type-selection,
.modal0__type-selection,
.modal3__type-selection {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 40rem;
  height: 18rem;
  transform: translate(-50%, -50%);
  background-color: white;
  border-radius: 3px;
  display: flex;
  overflow: hidden;
}
.modal1__inputs,
.modal0__inputs {
  width: 80%;
  height: 11.5rem;
  margin-left: auto;
  margin-right: auto;
}
.modal0__inputs {
  height: 9.5rem;
}
.modal3__inputs {
  width: 80%;
  height: 7rem;
  margin-left: auto;
  margin-right: auto;
}
.modal1__input,
.modal0__input,
.modal3__input {
  width: 100%;
}
.modal1__input input,
.modal0__input input {
  width: 100%;
  outline: none;
  text-align: left;
  padding-left: 1rem;
  height: 2.3rem;
  margin-bottom: 0.3rem;
}
.modal3__input input {
  width: 100%;
  outline: none;
  text-align: left;
  padding-left: 1rem;
  height: 2.3rem;
  margin-bottom: 0.3rem;
}
::placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: rgb(225, 229, 232);
  font-family: "Nanum Barun Gothic", sans-serif;
  text-align: left;
  font-size: 1rem;
  font-weight: 400;
}

:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: rgb(225, 229, 232);
  font-family: "Nanum Barun Gothic", sans-serif;
  text-align: left;
  font-size: 1rem;
  font-weight: 400;
}

::-ms-input-placeholder {
  /* Microsoft Edge */
  color: rgb(225, 229, 232);
  font-family: "Nanum Barun Gothic", sans-serif;
  text-align: left;
  font-size: 1rem;
  font-weight: 400;
}
.modal1__sign-up-btn,
.modal0__sign-up-btn,
.modal3__login-btn {
  width: 10rem;
  height: 2.5rem;
  background-color: rgb(55, 223, 135);
  color: white;
  font-family: "Nanum Barun Gothic", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 30px;
  margin-left: auto;
  margin-right: auto;
  cursor: pointer;
}
.type-selection__teacher {
  width: 50%;
  height: 100%;
  background-color: orangered;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.teacher__image {
  width: 8rem;
  height: 8rem;
  background-color: gray;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.teacher__text {
  padding: 1rem;
  font-size: 1.3rem;
}
.type-selection__student {
  width: 50%;
  height: 100%;
  background-color: yellowgreen;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.student__image {
  width: 8rem;
  height: 8rem;
  background-color: gray;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.student__text {
  padding: 1rem;
  font-size: 1.3rem;
}
.type-selection__close-btn,
.sign-up-teacher__close-btn {
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  border: 1px solid gray;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  margin: 0.7rem;
  cursor: pointer;
}

.modal0__sign-up-teacher,
.modal0__login-teacher,
.modal1__sign-up-teacher,
.modal1__login-teacher {
  position: fixed;
  top: 45%;
  left: 50%;
  width: 28rem;
  height: 27rem;
  /*   height: 35rem;
 */
  transform: translate(-50%, -50%);
  background-color: white;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  overflow: hidden;
}

.sign-up-teacher__top-title {
  padding: 1.5rem;
  font-size: 1.4rem;
}
.sign-up-teacher__sns-btns {
  display: flex;
  flex-wrap: wrap;
  width: 80%;
  height: 30%;
  border: 1px solid gray;
  justify-content: center;
  align-items: center;
}
.sns-btn {
  width: 48%;
  height: 43%;
  margin: 0.05rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid gray;
  border-radius: 3px;
  cursor: pointer;
}
.sns-btn:nth-child(3),
.sns-btn:nth-child(4) {
  margin-top: -0.5rem;
}
.sign-up-teacher__dividor {
  width: 100%;
  height: 0.1rem;
  background-color: gray;
  margin-top: 2rem;
  margin-bottom: 2rem;
}
.sign-up-teacher__email-btn {
  width: 80%;
  height: 2.5rem;
  border-radius: 3px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  border: 1px solid gray;
}
.teacher__sign-up-inputs,
.sign-up-teacher__login-inputs {
  width: 80%;
  margin-bottom: auto;
}
.teacher__sign-up-input,
.sign-up-teacher__login-input {
  width: 90%;
  margin: 0.1rem;
  height: 2.3rem;
}
.sign-up-teacher__enroll-btn {
  width: 7rem;
  height: 2.5rem;
  border: 1px solid gray;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 3px;
  margin: 1rem;
  cursor: pointer;
}

/* Authentication modals must dim the complete viewport at every zoom and
   document height. The legacy 130rem wrapper left uncovered strips. */
.modal0,
.modal1,
.modal2,
.modal3,
.modal4,
.modal0:target,
.modal1:target,
.modal2:target,
.modal3:target,
.modal4:target {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  min-height: 100dvh;
  transform: none;
}

/* Keep authentication dialogs usable on short desktop and laptop viewports.
   The legacy 30rem top margin could place the submit button below the fold. */
.modal0__view,
.modal1__view,
.modal2__view,
.modal3__view,
.modal4__view {
  position: fixed;
  left: 50%;
  top: 50%;
  margin: 0;
  max-width: 94vw;
  max-height: min(88vh, 52rem);
  overflow-y: auto;
  transform: translate(-50%, -50%);
  box-sizing: border-box;
  overscroll-behavior: contain;
}

.modal0__background,
.modal1__background,
.modal2__background,
.modal3__background,
.modal4__background {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  min-height: 100dvh;
}