.introduction {
  margin-bottom: 100px;
}
@media screen and (max-width: 912px) {
  .introduction {
    margin-bottom: 40px;
  }
}
.introduction .introduction-flex-box {
  width: 100%;
  max-width: 1140px;
  margin: 80px auto 60px;
  padding: 0 90px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-column-gap: 80px;
     -moz-column-gap: 80px;
          column-gap: 80px;
}
@media screen and (max-width: 912px) {
  .introduction .introduction-flex-box {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    margin: 30px auto;
    row-gap: 30px;
    padding: 0 30px;
  }
}
.introduction .introduction-flex-box .txt-box {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.introduction .introduction-flex-box .txt-box h4 {
  font-size: 28px;
  font-weight: 700;
  color: #0b1c26;
  margin-bottom: 40px;
}
@media screen and (max-width: 912px) {
  .introduction .introduction-flex-box .txt-box h4 {
    font-size: 23px;
    margin-bottom: 20px;
  }
}
.introduction .introduction-flex-box .txt-box h4 span {
  color: #0092E6;
}
.introduction .introduction-flex-box .img-box {
  position: relative;
  width: 400px;
}
@media screen and (max-width: 912px) {
  .introduction .introduction-flex-box .img-box {
    width: auto;
    margin: 0 auto;
  }
}
.introduction .introduction-flex-box .img-box img {
  position: absolute;
  border-radius: 10px;
}
@media screen and (max-width: 912px) {
  .introduction .introduction-flex-box .img-box img {
    position: static;
  }
}
@media screen and (max-width: 912px) and (min-width: 470px) {
  .introduction .introduction-flex-box .img-box img {
    max-width: 400px;
  }
}
.introduction .color-box {
  width: 100%;
  background-color: #F0F6F7;
  padding: 60px 0 80px;
  margin: 0 auto;
}
@media screen and (max-width: 912px) {
  .introduction .color-box {
    padding: 40px 0;
  }
}
.introduction .color-box .box-inner {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 90px;
}
@media screen and (max-width: 912px) {
  .introduction .color-box .box-inner {
    padding: 0 30px;
  }
}
.introduction .color-box ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  row-gap: 16px;
  margin-bottom: 40px;
}
.introduction .color-box ul li a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 10px;
  font-size: 15px;
  line-height: 1.2;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.introduction .color-box ul li a:hover {
  color: #0092e6;
}
.introduction .color-box ul li a::after {
  content: "";
  background-image: url(../../images/education/Icon-feather-external-link.svg);
  background-repeat: no-repeat;
  width: 11px;
  height: 11px;
}
.introduction .color-box ul li a span {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 20px;
  height: 20px;
  background: #313c4d;
  border-radius: 50%;
}
.introduction .color-box ul li a span img {
  width: 10px;
  height: 4px;
}
.introduction .color-box .sanden-forest img {
  max-height: 40px;
  min-height: 40px;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.introduction .color-box .sanden-forest img:hover {
  opacity: 0.6;
}