@keyframes clickAni {
  0% {
    box-shadow: 0 0 2px 2px rgb(255 0 0 / 84%);
  }

  100% {
    box-shadow: 0 0 2px 5px rgb(255 0 0 / 84%);
  }
}

.clickAni {
  animation: 1s clickAni ease-in-out alternate infinite;
}

.flex.rows {
  flex-direction: row;
}

.flex.col {
  flex-direction: column;
}

.align-center {
  align-items: center;
}

.flex-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.bg_coral,
.bg_sky {
  display: inline-block;
  height: 60px;
  width: auto;
  line-height: 60px;
  padding: 0 16px;
  border-radius: 12px;
}

.bg_coral {
  background-color: #ffcbc2;
}

.bg_sky {
  background-color: #eef9ff;
}

/* 방법 1,2 */
.method {
  color: #ffffff;
  text-shadow: -2px 0 #5bb8a1, 0 2px #5bb8a1, 2px 0 #5bb8a1, 0 -2px #5bb8a1;
  position: relative;
  width: 115px;
  height: 40px;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  background-repeat: no-repeat;
  background-position: bottom right 10px;
  /* background-color: tomato; */
  padding-right: 50px;
}

.method[circle-number='1'] {
  background-image: url('../img/EMA515_04_SU/0005_cricle-1.png');
}

.method[circle-number='2'] {
  background-image: url('../img/EMA515_04_SU/0005_cricle-2.png');
}

.method::before {
  content: '';
  width: 97px;
  height: 23px;
  background-color: #5bb8a1;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: -1;
  border-radius: 20px;
}

.gray_Box {
  display: inline-block;
  text-align: center;
  width: 120px;
  padding: 8px 0;
  background-color: #9e9e9e;
  color: #fff;
  border-radius: 999px;
  margin-right: 18px;
}

/* EMA524_03_SU_0002 */

.ema524_03_su_0002 .contents>.flex {
  gap: 26px;
}

.ema524_03_su_0002 .video_wrap {
  background: url('../../common_contents/img/EMA524_03_SU/0002_contents.png') no-repeat center 0 / 100%;
  height: 428px;
}

.ema524_03_su_0002 .video_wrap p {
  position: absolute;
  top: 21%;
  left: 49.5%;
  text-align: center;
}

.ema524_03_su_0002 .input_wrap {
  width: 100%;
}

.ema524_03_su_0002 .input_wrap>math-field.textarea {
  width: 797px;
  height: 310px;
}

/* EMA524_03_SU_0003_s page1 */

.ema524_03_su_0003 .page_1>.flex {
  gap: 26px;
}

.ema524_03_su_0003 .page_1 .picture_wrap {
  background: url('../../common_contents/img/EMA524_03_SU/0002_contents.png') no-repeat center 0 / 110%;
  height: 428px;
}

.ema524_03_su_0003 .page_1 .picture_wrap img {
  display: none;
}

.ema524_03_su_0003 .picture_wrap p {
  position: absolute;
  top: 21%;
  left: 49.5%;
  text-align: center;
  z-index: 99;
}

.ema524_03_su_0003 .page_1 .input_area {
  min-width: 707px;
}

.ema524_03_su_0003 .page_1 .input_wrap math-field:not(.textarea) {
  width: 135px;
  height: 60px;
}

/* EMA524_03_SU_0003_s page2 */
.ema524_03_su_0003 .page_2 h3 {
  margin-bottom: 0;
}

.ema524_03_su_0003 .page_2 .wrap>p {
  position: absolute;
  top: 17px;
  left: 69.5%;
}

.ema524_03_su_0003 .page_2 .wrap {
  margin: 0 auto;
  position: relative;
  width: 1200px;
}

.ema524_03_su_0003 .page_2 .contents_img {
  margin: 0 auto;
}

.multiply-box {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.multiply-box>div {
  padding: 25px 55px;
}

.ema524_03_su_0003 .page_2 .base-point {
  position: absolute;
  left: 80px;
  width: 680px;
}

.ema524_03_su_0003 .page_2 .base-point:nth-child(1) {
  width: 690px;
  top: 117px;
}

.ema524_03_su_0003 .page_2 .base-point:nth-child(2) {
  top: 257px;
}

.ema524_03_su_0003 .page_2 .base-point .input_wrap {
  position: relative;
  top: -60px;
  left: -55px;
}

.ema524_03_su_0003 .page_2 .base-point li {
  position: absolute;
  top: 0;
}

.ema524_03_su_0003 .page_2 .base-point li:nth-child(2) {
  left: 10%;
}

.ema524_03_su_0003 .page_2 .base-point li:nth-child(3) {
  left: 50%;
}

.ema524_03_su_0003 .page_2 .base-point li:nth-child(4) {
  left: 90%;
}

.ema524_03_su_0003 .page_2 .base-point li:nth-child(5) {
  left: 100%;
}

/* EMA524_03_SU_0003_s page3 */

.ema524_03_su_0003 .page_3>.flex {
  gap: 26px;
}

.ema524_03_su_0003 .page_3 .picture_wrap {
  background: url('../../common_contents/img/EMA524_03_SU/0002_contents.png') no-repeat center 0 / 110%;
  height: 428px;
}

.ema524_03_su_0003 .page_3 .picture_wrap img {
  display: none;
}

.ema524_03_su_0003 .page_3 .input_area {
  min-width: 707px;
}

.ema524_03_su_0003 .page_3 .input_wrap {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.ema524_03_su_0003 .page_3 .input_wrap math-field:not(.textarea) {
  width: 120px;
  height: 60px;
}

/* EMA524_03_SU_0004_s page1 */

.ema524_03_su_0004 .wrap {
  display: flex;
  gap: 30px;
  flex-direction: column;
  width: 1400px;
  margin: 50px auto 0;
}

.ema524_03_su_0004 .wrap .textarea {
  min-height: 60px;
  border-radius: 12px;
}

/* EMA524_03_SU_0004_s page2 */

.ema524_03_su_0004 .page_2 .fra_parens {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 50px;
  gap: 10px;
}

.ema524_03_su_0004 .page_2 .fra_parens .input_wrap {
  min-width: 80px;
  align-items: center;
  flex-direction: row;
}

.ema524_03_su_0004 .page_2 .fra_parens .input_wrap math-field:not(.textarea) {
  min-width: 100px;
  width: 100px;
  height: 60px;
}

.ema524_03_su_0004 .page_2 .fra_parens .input_wrap.medium math-field:not(.textarea) {
  min-width: 120px;
  width: 120px;
  height: 60px;
}

.ema524_03_su_0004 .fraction_box .answer2 {
  text-align: center;
}

.ema524_03_su_0004 .fraction_box .input_wrap span {
  display: inline-block;
}

/* EMA524_03_SU_0004_s page3 */
.ema524_03_su_0004 .page_3 .question_box {
  width: 902px;
  height: 271px;
  background: url('../../common_contents/img/EMA524_03_SU/0004_bg.png') no-repeat left center / 100%;
  margin: 50px auto 0;
}

.question_box .wrapper {
  width: 100%;
  margin-bottom: 2%;
}

.question_box .wrapper .box:nth-child(1) {
  width: 43%;
}

.question_box .wrapper .box:nth-child(1)>div {
  gap: 10px;
}

.question_box .wrapper .box:nth-child(2) {
  width: 58%;
  gap: 20px;
}

.question_box .wrapper .box:nth-child(2)>div {
  width: 119px;
}

.question_box .wrapper .box:nth-child(2)>div>span {
  margin-right: 20px;
}

.question_box .wrapper .box:nth-child(2)>div>.fraction_box {
  width: 100%;
}

.question_box .wrapper .box:nth-child(2)>div>.fraction_box>span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.question_box .wrapper .box:nth-child(2)>div>.fraction_box::before {
  top: 50%;
}

.question_box .wrapper .box:nth-child(1)>.arrow-row {
  gap: 95px;
  margin: 10px auto;
  padding-left: 10px;
}

.question_box .wrapper .box:nth-child(1)>.arrow-row>div {
  gap: 5px;
}

.question_box .wrapper .box:nth-child(1)>.arrow-row>div .fraction_box {
  gap: 8px;
}

.question_box .wrapper .box:nth-child(2)>.arrow-col {
  margin-top: 20px;
  gap: 20px;
}

.question_box .wrapper .box:nth-child(2)>.arrow-col>div {
  width: 100%;
  text-align: center;
  background: url('../../common_contents/img/EMA524_01_SU/0004_arrow2.svg') no-repeat left center / 100%;
}

.question_box .wrapper .box:nth-child(2)>.arrow-col>div>div {
  gap: 5px;
  background-color: var(--bg-default);
  width: 80px;
  margin: 0 auto;
}

/* ema524_03_su_0005 */
.ema524_03_su_0005 .wrap {
  display: flex;
  gap: 10px;
  flex-direction: column;
  width: 1100px;
  margin: 0 auto;
}

.ema524_03_su_0005 .wrap>div {
  background-image: url('../../common_contents/img/EMA524_01_SU/0005_bg1.png');
  background-repeat: no-repeat;
  background-position: left top 20px;
  height: 240px;
  padding: 0 40px;
}

.ema524_03_su_0005 .contents h3::before {
  display: none;
}

.ema524_03_su_0005 .fra_parens {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 10px;
  margin-left: 30px;
}

.ema524_03_su_0005 .fra_parens .input_wrap {
  min-width: 80px;
  align-items: center;
  flex-direction: row;
}

.ema524_03_su_0005 .fra_parens .input_wrap math-field:not(.textarea) {
  min-width: 80px;
  width: 80px;
  height: 60px;
}

.ema524_03_su_0005 .wrap>div:first-child .fra_parens {
  margin-top: 30px;
}

.ema524_03_su_0005 .wrap>div:last-child .fra_parens {
  margin-top: 60px;
}

/* EMA524_03_SU_0006_s */

.ema524_03_su_0006 .wrap>div {
  width: 1200px;
  margin: 50px auto 0;
  justify-content: space-between;
}

.ema524_03_su_0006 .wrap>div>div {
  min-width: 280px;
  gap: 10px;
}

.ema524_03_su_0006 .wrap>div>div>.fraction_box>div {
  width: 60%;
}

.ema524_03_su_0006 .wrap>div>div>.fraction_box>div>span>span {
  min-width: 20px;
}

.ema524_03_su_0006 .wrap>div>div>.fraction_box::before {
  top: 61.66%;
}

.example_box {
  opacity: 1 !important;
}

/* .input_wrap .text_hint,
  .dropdown_wrap .text_hint,
  .dragndrop_fraction_wrap .drop_item::after {
    opacity: 1 !important;
  } */

/* EMA524_SU_0003_s  */
section.contents {
  overflow-y: visible;
}

.form_wrap {
  gap: 50px;
  width: 1635px;
  height: 628px;
}

.form_wrap .map_wrap {
  position: relative;
  width: 1163px;
  height: 626px;
  background: url('../../common_contents/img/EMA524_SU/0003_img_1.png') no-repeat center center;
}

.form_wrap .map_wrap .map_grid {
  position: absolute;
  top: 18px;
  left: 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 1113px;
  height: 585px;
}

.form_wrap .map_wrap .map_grid .map_grid_row {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 1113px;
  height: 117px;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col {
  position: relative;
  width: 159px;
  height: 117px;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap {
  position: absolute;
  bottom: 0;
  left: calc(50% - 25px);
  width: 53.6px;
  height: 50px;
  transition: all 0.5s ease;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap .go_piece {
  position: absolute;
  padding: 0;
  width: 53.6px;
  min-width: 53.6px;
  height: 50px;
  min-height: 50px;
  background: url('../../common_contents/img//EMA524_SU/0003_img_go_b.png') no-repeat center center;
  background-size: contain;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap.white .go_piece {
  background: url('../../common_contents/img//EMA524_SU/0003_img_go_w.png') no-repeat center center;
  background-size: contain;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap .piece_switch_wrap {
  display: none;
  position: absolute;
  bottom: -84px;
  left: calc(50% - 64px);
  width: 128px;
  height: 82px;
  background: url('../../common_contents/img//EMA524_SU/0003_img_switch_bg.png') no-repeat center center;
  background-size: contain;
  z-index: 3;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap .piece_switch_wrap.on {
  display: block;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap .piece_switch_wrap .btn_switch {
  position: absolute;
  border: 1px solid #ffffff;
  border-radius: 50px;
  padding: 0;
  width: 52px;
  min-width: 52px;
  height: 52px;
  min-height: 52px;
  margin-left: 0;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap .piece_switch_wrap .btn_switch.btn_switch_yellow {
  top: 22px;
  left: 8px;
  background-color: #ffde6a;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col .go_piece_wrap .piece_switch_wrap .btn_switch.btn_switch_red {
  top: 22px;
  left: 67px;
  background-color: #ee4f24;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col.mark1 {
  background: url('../../common_contents/img/EMA524_SU/0003_img_mark_01.png') no-repeat center center;
  background-size: 140px;
}

.form_wrap .map_wrap .map_grid .map_grid_row .map_grid_col.mark2 {
  background: url('../../common_contents/img/EMA524_SU/0003_img_mark_02.png') no-repeat center center;
  background-size: 140px;
}

.form_wrap .submit_wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
  width: 353px;
  height: 628px;
}

.form_wrap .submit_wrap .input_line {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  width: 353px;
  height: 64px;
}

.form_wrap .submit_wrap .input_line span:nth-child(4) {
  margin-left: -10px;
}

.form_wrap .submit_wrap .input_line:nth-child(2) {
  padding-bottom: 30px;
  width: auto;
}

.form_wrap .submit_wrap .input_line.btn_area {
  position: unset;
  left: unset;
  top: unset;
}

.form_wrap .submit_wrap .input_line .label {
  font-size: 24px;
  font-weight: 700;
  color: #222222;
}

.go_piece_wrap {
  cursor: pointer;
  pointer-events: none;
}

.go_piece_wrap.active {
  pointer-events: auto;
}

.go_piece_wrap.active .go_piece {
  border-radius: 50%;
  outline: 6px solid rgba(255, 68, 0, 0.7);
  animation: active 1s ease-in-out infinite;
}

@keyframes active {
  0% {
    outline: 6px solid rgba(255, 68, 0, 0.7);
  }

  50% {
    outline: 6px solid rgba(255, 68, 0, 0.1);
  }

  100% {
    outline: 6px solid rgba(255, 68, 0, 0.7);
  }
}

.input_line math-field::part(placeholder) {
  /* background-image: none; */
}

.input_line math-field.player1::part(placeholder),
.input_line math-field.player2::part(placeholder) {
  padding-left: unset;
}

.moving {
  transform: scale(1.1);
}

.btnFormula {
  width: 64px;
  min-width: unset;
  height: 64px;
  border-radius: 16px;
  border: 1px solid var(--primary-blue-800);
  background-color: var(--bg-default);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 40px;
  font-size: 0;
  background-image: url('../../common_contents/common/img/icon_formula.svg');
  border-color: var(--stroke-default);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btnFormula:hover {
  background-color: var(--bg-default);
}

/* 계산기 */
.calculator-group {
  position: relative;
}

.cal-icon {
  cursor: pointer;
}

/* .calculator {
    display: none;
    position: absolute;
    bottom: -387px;
    right: -30px;
    width: 290px;
    height: 360px;
    padding: 30px;
    border: 4px solid #1454b9;
    border-radius: 20px;
    background-color: #f6f9fbdd;
    z-index: 10;
} */

.calculator .btn-close-calculator {
  position: absolute;
  top: -16px;
  right: -16px;
  border-radius: 16.5px;
  padding: 0;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  font-size: 0;
  background: url('../../common_contents/img/EMA526_SU/calculator_close.png') no-repeat center center;
  background-size: contain;
  background-color: unset;
}

.calculator .calculator-area {
  position: relative;
  width: 230px;
  height: 300px;
  background: url('../../common_contents/img/EMA526_SU/calculator.png') no-repeat center center;
  background-size: contain;
}

.calculator .calculator-buttons {
  position: absolute;
  top: 87px;
  left: 19px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.calculator .calculator-buttons .btn-calculator {
  padding: 0;
  width: 43px;
  height: 34px;
  min-width: 43px;
  min-height: 32px;
  font-size: 0;
  cursor: pointer;
  background: none;
}

.calculator .calculator-buttons .btn-calculator.btn-calculator-plus {
  position: absolute;
  bottom: 0;
  right: 0;
  height: 74px;
  min-height: 74px;
}

.calculator .calculator-buttons .btn-calculator:nth-child(16) {
  grid-column: 1;
  grid-row: 5;
}

.calculator .calculator-buttons .btn-calculator:nth-child(17) {
  grid-column: 2;
  grid-row: 5;
}

.calculator .calculator-buttons .btn-calculator:nth-child(18) {
  grid-column: 3;
  grid-row: 5;
}

.calculator-area input[type='text'].cal-display {
  position: absolute;
  top: 19px;
  left: 15px;
  /* border: 1px solid #ffffff; */
  padding: 15px;
  width: 195px;
  height: 57px;
  text-align: right;
  color: #222222;
  font-size: 32px;
  background: none;
}

.calculator-area input[type='text'].cal-display:hover {
  background: none !important;
  border: none !important;
}

.calculator-group .calculator-tail {
  position: absolute;
  top: -18px;
  right: 36px;
  width: 30px;
  height: 18px;
  background: url('../../common_contents/img/EMA526_SU/calculator_tail.png') no-repeat center center;
  background-size: contain;
  transform: scaleY(-1);
}

.text-area.cal-page {
  width: 30%;
}

.form_wrap .submit_wrap .input_line:nth-child(2) button.btn_check_ok,
.form_wrap .submit_wrap .input_line:nth-child(2) button.btn_check_error {
  background-color: var(--btn-default);
  width: 151px;
  min-width: 151px;
  padding: 0;
  max-width: initial;
  color: #fff;
  font-size: 20px;
  font-weight: 400;
  border-radius: 12px;
}

.form_wrap .submit_wrap .input_line:nth-child(2) button.btn_check_ok:disabled,
.form_wrap .submit_wrap .input_line:nth-child(2) button.btn_check_error:disabled {
  background-color: var(--btn-disabled-bg);
  border-color: var(--stroke-default);
  color: var(--font-disabled);
}

.btn_check_error,
.btn_check_ok {}

.input_answer_wrap {
  width: 322px;
  min-width: 322px;
}

.input_answer {
  width: 322px;
  min-width: 322px;
}

.btnReset {
  width: 64px !important;
  min-width: 64px !important;
}

/* tutorial */
.a11y-hidden {
  overflow: hidden;
  position: absolute;
  border: 0;
  width: 1px;
  height: 1px;
  clip: rect(1px, 1px, 1px, 1px);
}

.tutorial-bg {
  width: 100%;
  height: 100%;
}

.tutorial-steps {
  position: absolute;
  background-color: rgba(0, 0, 0, .7);
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tutorial-steps .step {
  position: absolute;
  font-size: 32px;
  color: #ffff00;
  line-height: 1.3;
  font-weight: 400;
  pointer-events: none;
  word-break: keep-all;
}

.tutorial-steps .step::before {
  content: attr(data-number);
  position: absolute;
  left: -40px;
}

.tutorial-steps .step::after {
  position: absolute;
  content: "";
  background-repeat: no-repeat;
  background-size: contain;
  width: 70px;
  height: 70px;
  left: -110px;
}

.tutorial-steps .step-1 {
  top: 74%;
  left: 75%;
}

.tutorial-steps .step-1::after {
  top: -170%;
  left: 0;
  background-image: url("../img/EMA524_10_SU/tutorial_arrow_1.svg");
}

.tutorial-steps .step-2 {
  top: 51%;
  left: 48%;
  max-width: 400px;
}

.tutorial-steps .step-2::after {
  top: 100%;
  left: 48%;
  background-image: url("../img/EMA524_10_SU/tutorial_arrow_2.svg");
  ;
}

.tutorial-steps .step-3 {
  top: 34%;
  left: 70%;
}

.tutorial-steps .step-3::after {
  top: -87%;
  left: 29%;
  background-image: url("../img/EMA524_10_SU/tutorial_arrow_3.svg");
  transform: rotate(180deg);
}

.tutorial-steps .step-4 {
  top: 40%;
  left: 16.5%;
}

.tutorial-steps .step-4::after {
  top: -170%;
  left: 30%;
  background-image: url("../img/EMA524_10_SU/tutorial_arrow_4.svg");
  ;
}

.ema524_su_0003 .count_wrap {
  display: flex;
  flex-direction: column;
  gap: 15px;
  position: relative;
  padding: 15px 20px;
}

.ema524_su_0003 .count_wrap::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border: 4px solid #EBEBEB;
  border-radius: 20px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.ema524_su_0003 .count_wrap .input_line {
  justify-content: flex-start;
}

.ema524_su_0003 .count_wrap .add_button_line {
  font-size: 24px;
  font-weight: 700;
  color: #222222;
  opacity: 0;
  pointer-events: none;
}

.ema524_su_0003 .count_wrap .add_button_line .btn_add_score {
  min-width: unset;
  display: inline-flex;
  width: 80px;
  height: 40px;
  padding: 12px 15px;
  justify-content: center;
  align-items: center;
  gap: 4px;
}

.ema524_su_0003 .noti_wrap {
  display: flex;
  width: 110%;
  flex-direction: row;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
}

.ema524_su_0003 .count_wrap .add_button_line.active,
.ema524_su_0003 .noti_wrap.active {
  opacity: 1;
  pointer-events: auto;
}

.ema524_su_0003 .noti_wrap .noti_box {
  width: 100%;
  display: flex;
  padding: 16px 10px;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 50%;
  border: 1px solid #777;
  box-shadow: 0px 5px 0px rgba(0, 0, 0, 0.1);
}