#introduction #mainvisual {
  background: url("../images/introduction/mainvisual.png") no-repeat center right/cover;
}
@media screen and (max-width: 768px) {
  #introduction #mainvisual {
    background-position: center;
  }
}
#introduction #mainvisual .mainvisual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-direction: column;
  height: 500px;
}
@media screen and (max-width: 768px) {
  #introduction #mainvisual .mainvisual {
    height: auto;
    padding-top: 40px;
    padding-bottom: 40px;
  }
}
#introduction #mainvisual .mainvisual .mainvisual-company {
  color: #00bdff;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 0.016em;
  line-height: 3.6;
}
@media screen and (max-width: 768px) {
  #introduction #mainvisual .mainvisual .mainvisual-company {
    font-size: 14px;
  }
}
#introduction #mainvisual .mainvisual .mainvisual-heading {
  color: #fff;
  font-family: "UD Shin Go DemiBold", sans-serif;
  font-size: 35px;
  font-weight: bold;
  letter-spacing: 0.025em;
  line-height: 1.6;
}
@media screen and (max-width: 768px) {
  #introduction #mainvisual .mainvisual .mainvisual-heading {
    font-size: 20px;
  }
}
#introduction #mainvisual .mainvisual .mainvisual-download {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 300px;
  height: 40px;
  margin-top: 45px;
  background-color: #00bdff;
  border: 1px solid #00bdff;
  border-radius: 20px;
  box-sizing: border-box;
  color: #fff;
  font-size: 17px;
  letter-spacing: 0.025em;
  transition: 0.5s;
}
#introduction #mainvisual .mainvisual .mainvisual-download:hover {
  background-color: #fff;
  color: #00bdff;
}
@media screen and (max-width: 768px) {
  #introduction #mainvisual .mainvisual .mainvisual-download {
    font-size: 14px;
  }
}
#introduction #contents .contents {
  width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 75px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 85px;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents {
    width: 100%;
    padding-top: 40px;
    padding-left: 2.2rem;
    padding-right: 2.2rem;
    padding-bottom: 40px;
    box-sizing: border-box;
  }
}
#introduction #contents .contents .contents-graywrap {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  margin-top: 30px;
  padding: 30px 25px 28px;
  background-color: #f7f7f7;
  border-radius: 10px;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-graywrap {
    display: block;
    border-radius: 0;
  }
}
#introduction #contents .contents .contents-graywrap .contents-images {
  width: 400px;
  height: 240px;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-graywrap .contents-images {
    width: 100%;
  }
}
#introduction #contents .contents .contents-graywrap .contents-text_reg {
  width: 405px;
  margin-top: 0;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-graywrap .contents-text_reg {
    width: 100%;
    margin-top: 20px;
  }
}
#introduction #contents .contents .contents-2clmwrap {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  margin-top: 30px;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-2clmwrap {
    display: block;
  }
}
#introduction #contents .contents .contents-2clmwrap + .contents-2clmwrap {
  margin-top: 50px;
}
#introduction #contents .contents .contents-2clmwrap .contents-image {
  width: 430px;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-2clmwrap .contents-image {
    width: 100%;
  }
}
#introduction #contents .contents .contents-2clmwrap .contents-text_reg {
  width: 430px;
  margin-top: 0;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-2clmwrap .contents-text_reg {
    width: 100%;
    margin-top: 20px;
  }
}
#introduction #contents .contents .contents-2clmwrap.rightimage .contents-image {
  order: 2;
}
#introduction #contents .contents .contents-2clmwrap.rightimage .contents-text_reg {
  order: 1;
}
#introduction #contents .contents .contents-2clmwrap.leftimage .contents-image {
  order: 1;
}
#introduction #contents .contents .contents-2clmwrap.leftimage .contents-text_reg {
  order: 2;
}
#introduction #contents .contents .contents-heading_2 {
  display: block;
  color: #064f64;
  font-size: 30px;
  font-weight: bold;
  letter-spacing: 0.016em;
  line-height: 1.6;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-heading_2 {
    font-size: 22px;
  }
}
#introduction #contents .contents .contents-heading_2 em {
  color: inherit;
  font-family: "UD Shin Go DemiBold", sans-serif;
  font-style: inherit;
  font-weight: bold;
}
#introduction #contents .contents .contents-heading_2 .brackets {
  display: inline-block;
  margin-left: -0.5em;
  margin-right: -0.5em;
  color: inherit;
  font-style: inherit;
}
#introduction #contents .contents .contents-heading_3 {
  display: block;
  margin-top: 50px;
  color: #064f64;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 0.025em;
  line-height: 1.65;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-heading_3 {
    font-size: 16px;
  }
}
#introduction #contents .contents .contents-heading_3.text_center {
  text-align: center;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-heading_3.text_center br {
    display: none;
  }
}
#introduction #contents .contents .contents-text_mid {
  margin-top: 20px;
  font-size: 16px;
  letter-spacing: 0.025em;
  line-height: 2;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-text_mid {
    font-size: 14px;
  }
}
#introduction #contents .contents .contents-text_reg {
  margin-top: 20px;
  font-size: 14px;
  letter-spacing: 0.025em;
  line-height: 1.7857142857;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-text_reg {
    font-size: 12px;
  }
}
#introduction #contents .contents .contents-text_reg.color_blue {
  color: #00bdff;
}
#introduction #contents .contents .contents-images {
  position: relative;
}
#introduction #contents .contents .contents-images .contents-image.image-1 {
  max-width: 300px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
#introduction #contents .contents .contents-images .contents-image.image-2 {
  max-width: 200px;
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
}
#introduction #contents .contents .contents-image img {
  max-width: 100%;
  width: auto;
}
#introduction #contents .contents .contents-image figcaption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.025em;
  line-height: 1.3846153846;
}
#introduction #contents .contents .contents-image figcaption em {
  display: inline-block;
  margin-top: 5px;
  color: inherit;
  font-style: inherit;
  font-weight: bolder;
}
#introduction #contents .contents .contents-download {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 500px;
  height: 60px;
  margin-top: 20px;
  margin-left: auto;
  margin-right: auto;
  background-color: #00bdff;
  border: 1px solid #00bdff;
  border-radius: 30px;
  box-sizing: border-box;
  color: #fff;
  font-size: 28px;
  letter-spacing: 0.025em;
  transition: 0.5s;
}
#introduction #contents .contents .contents-download:hover {
  background-color: #fff;
  color: #00bdff;
}
@media screen and (max-width: 768px) {
  #introduction #contents .contents .contents-download {
    width: 300px;
    height: 40px;
    border-radius: 20px;
    font-size: 14px;
  }
}