.intro_1 .wrapper {
  display: flex;
  column-gap: 120px;
}
.intro_1 .wrapper .text_wrapper {
  color: #10141a;
  word-break: keep-all;
}
.intro_1 .wrapper .text_wrapper .big p {
  font-family: Pretendard-ExtraBold;
  font-size: 50px;
  line-height: 60px;
}
.intro_1 .wrapper .text_wrapper .mid {
  font-family: Pretendard-Bold;
  font-size: 24px;
  max-width: 500px;
  padding: 80px 0;
  box-sizing: border-box;
}
.intro_1 .wrapper .text_wrapper .small p {
  font-family: Pretendard-Medium;
  font-size: 18px;
  line-height: 36px;
}
.intro_1 .wrapper .text_wrapper .small p:last-child {
  padding: 60px 0;
  box-sizing: border-box;
}
.intro_1 .wrapper .text_wrapper .from p {
  font-family: Pretendard-Bold;
  font-size: 20px;
}

.intro_2 .wrapper table .title,
.intro_2 .wrapper table .title_mobile {
  font-family: Pretendard-ExtraBold;
  font-size: 80px;
  line-height: 90px;
}
.intro_2 .wrapper table .title p,
.intro_2 .wrapper table .title_mobile p {
  font-family: Pretendard-Bold;
  font-size: 31px;
}
.intro_2 .wrapper table .title_mobile {
  display: none;
}
.intro_2 .wrapper table tr td {
  word-break: keep-all;
  vertical-align: top;
}
.intro_2 .wrapper table tr td:not(.title, .title_mobile) {
  padding: 10px 0 15px;
  box-sizing: border-box;
}
.intro_2 .wrapper table tr td.title {
  width: 45%;
  padding: 0 30px 0 150px;
  box-sizing: border-box;
}
.intro_2 .wrapper table tr td.year {
  width: 8%;
  font-family: Pretendard-Bold;
  font-size: 24px;
  border-left: 1px solid #ebeef0;
  padding: 10px 30px;
  box-sizing: border-box;
  position: relative;
}
.intro_2 .wrapper table tr td.year::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background-color: #c1c3c4;
  position: absolute;
  top: 22px;
  left: -6px;
}
.intro_2 .wrapper table tr td:last-child p {
  font-family: Pretendard-Medium;
  font-size: 20px;
  line-height: 35px;
  padding-bottom: 10px;
  box-sizing: border-box;
}

.intro_3 .wrapper .title {
  font-family: Pretendard-Bold;
  font-size: 42px;
  padding-bottom: 30px;
  box-sizing: border-box;
}
.intro_3 .wrapper .img_wrapper {
  text-align: center;
  border: 1px solid #ececec;
  padding-top: 50px;
  box-sizing: border-box;
}
.intro_3 .wrapper .img_wrapper img {
  width: 100%;
  max-width: 1400px;
}
.intro_3 .wrapper .img_wrapper .organization_mobile {
  display: none;
}
.intro_3 .wrapper table {
  word-break: keep-all;
  margin-top: 50px;
  border-collapse: collapse;
  width: 100%;
}
.intro_3 .wrapper table tr:first-child td {
  background-color: #e7f0f6;
  text-align: center;
  font-family: Pretendard-Bold;
  font-size: 22px;
  border: 1px solid #cad9e3;
}
.intro_3 .wrapper table td {
  border: 1px solid #ebebeb;
  padding: 25px 50px;
  box-sizing: border-box;
  font-family: Pretendard-Regular;
  font-size: 20px;
}
.intro_3 .wrapper table td.year {
  border-right: none;
  width: 5%;
}
.intro_3 .wrapper table td.name {
  border-left: none;
}

.intro_4 .wrapper > .title {
  font-family: Pretendard-Bold;
  font-size: 42px;
}
.intro_4 .wrapper .sub_title {
  font-family: Pretendard-Bold;
  font-size: 32px;
  padding: 30px 0;
  box-sizing: border-box;
  word-break: keep-all;
}
.intro_4 .wrapper .rule {
  padding-bottom: 60px;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_title {
  font-family: Pretendard-Bold;
  font-size: 20px;
  padding: 10px 0;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_item {
  padding: 10px 0;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_item .item_title {
  padding: 10px 0;
  box-sizing: border-box;
  font-family: Pretendard-Medium;
  font-size: 20px;
}
.intro_4 .wrapper .rule .rule_item .item_description p {
  font-family: Pretendard-Regular;
  font-size: 18px;
  word-break: keep-all;
}
.intro_4 .wrapper .rule .rule_item .item_description p:not(:last-child) {
  padding-bottom: 10px;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_item .item_description .description_div:not(:last-child) {
  padding-bottom: 10px;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_item .item_description .description_div .title {
  font-family: Pretendard-Regular;
  font-size: 18px;
  padding-bottom: 10px;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_item .item_description .description_div .item_wrapper p {
  padding-left: 20px;
  box-sizing: border-box;
}
.intro_4 .wrapper .rule .rule_item .item_description .description_div .item_wrapper .sub_item {
  padding-left: 40px;
  box-sizing: border-box;
}

@media (max-width: 1400px) {
  .intro_2 .wrapper table .title {
    font-size: 60px;
    line-height: 70px;
  }
  .intro_2 .wrapper table tr td.title {
    padding: 0 30px;
  }
}
@media (max-width: 1100px) {
  .intro_1 .wrapper {
    column-gap: 50px;
    padding: 0;
  }
  .intro_1 .wrapper .text_wrapper .big p {
    font-size: 32px;
    line-height: 40px;
  }
  .intro_1 .wrapper .text_wrapper .mid {
    font-size: 16px;
    padding: 50px 0;
  }
  .intro_1 .wrapper .text_wrapper .small p {
    font-size: 14px;
    line-height: 26px;
  }
  .intro_1 .wrapper .text_wrapper .small p:last-child {
    padding: 40px 0;
  }
  .intro_1 .wrapper .text_wrapper .from p {
    font-size: 14px;
  }
  .intro_1 .wrapper .img_wrapper {
    width: 100%;
  }
  .intro_1 .wrapper .img_wrapper img {
    width: 100%;
  }
}
@media (max-width: 820px) {
  .intro_1 .wrapper {
    flex-direction: column;
  }
  .intro_1 .wrapper .text_wrapper .mid {
    max-width: none;
  }
  .intro_1 .wrapper .img_wrapper {
    display: block;
    text-align: center;
    padding-top: 50px;
    box-sizing: border-box;
  }
  .intro_1 .wrapper .img_wrapper img {
    width: 100%;
    max-width: 300px;
  }

  .intro_2 .wrapper table .title {
    display: none;
  }
  .intro_2 .wrapper table .title_mobile {
    display: table-cell;
    width: 100%;
    font-size: 60px;
    line-height: 70px;
    padding: 50px 0 50px;
    box-sizing: border-box;
  }
  .intro_2 .wrapper table .title_mobile p {
    font-size: 26px !important;
    padding: 10px 0;
    box-sizing: border-box;
  }

  .intro_4 .wrapper > .title {
    font-size: 32px;
  }
  .intro_4 .wrapper .sub_title {
    font-size: 20px;
    padding: 20px 0 30px;
  }
}
@media (max-width: 540px) {
  .sub_nav {
    display: none;
  }

  .intro_1 .wrapper .text_wrapper .big p {
    font-size: 22px;
    line-height: 30px;
  }
  .intro_1 .wrapper .text_wrapper .img_wrapper_mobile {
    display: none;
  }
  .intro_1 .wrapper .text_wrapper .mid {
    max-width: none;
  }

  .intro_2 .wrapper table .title_mobile {
    font-size: 30px;
    line-height: 30px;
    padding: 30px 0;
    box-sizing: border-box;
  }
  .intro_2 .wrapper table .title_mobile p {
    font-size: 16px !important;
    padding: 0;
  }
  .intro_2 .wrapper table tr td.year {
    font-size: 20px;
    padding: 15px 30px;
  }
  .intro_2 .wrapper table tr td:last-child p {
    font-size: 16px;
    line-height: 22px;
    padding: 8px 0 0;
  }

  .intro_3 .wrapper .title {
    font-size: 28px;
    padding-bottom: 20px;
  }
  .intro_3 .wrapper .img_wrapper .organization {
    display: none;
  }
  .intro_3 .wrapper .img_wrapper .organization_mobile {
    display: block;
    width: 80%;
    margin: 0 auto;
    padding-bottom: 50px;
  }
  .intro_3 .wrapper table tr:first-child td {
    font-size: 18px;
  }
  .intro_3 .wrapper table td {
    padding: 20px;
    font-size: 16px;
  }
  .intro_3 .wrapper table td.name {
    font-size: 14px;
  }

  .intro_4 .wrapper > .title {
    font-size: 26px;
  }
  .intro_4 .wrapper .sub_title {
    font-size: 16px;
    padding: 10px 0 30px;
  }
  .intro_4 .wrapper .rule {
    padding-bottom: 30px;
  }
  .intro_4 .wrapper .rule .rule_title {
    font-size: 16px;
    padding: 10px 0;
  }
  .intro_4 .wrapper .rule .rule_item .item_title {
    font-size: 14px;
  }
  .intro_4 .wrapper .rule .rule_item .item_description p {
    font-size: 12px;
  }
  .intro_4 .wrapper .rule .rule_item .item_description .description_div .title {
    font-size: 14px;
  }
}
@media (max-width: 280px) {
  .intro_1 .wrapper .text_wrapper .big p {
    font-size: 22px;
    line-height: 30px;
  }
  .intro_1 .wrapper .text_wrapper .img_wrapper_mobile {
    display: none;
  }
  .intro_1 .wrapper .text_wrapper .mid {
    max-width: none;
  }

  .intro_2 .wrapper table .title_mobile {
    font-size: 26px;
  }
  .intro_2 .wrapper table tr td.year {
    font-size: 16px;
    padding: 15px 20px;
  }
  .intro_2 .wrapper table tr td:last-child p {
    font-size: 12px;
    line-height: 22px;
    padding: 6px 0 0;
  }
}