.st-detail {
  padding: 72px 0 10vw;
  text-align: center;
}

.st-detail__title {
  position: absolute;
  right: 1vw;
  top: 23vw;
  color: #ffffff;
  font-size: 2.4vw;
}

.st-detail__img {
  width: 100%;
}
.st-detail__img img {
  width: 100%;
}

.st-detail__list {
  display: flex;
  flex-wrap: wrap;
  width: 90vw;
  margin: 10vw auto;
  justify-content: center;
}

.st-detail__item {
  background-color: #EDEDED;
  margin: 2vw;
  padding: 2vw;
  width: 40%;
  text-align: left;
}

.st-detail__figure {
  width: 100%;
}
.st-detail__figure img {
  width: 32vw;
  height: 20vw;
}

.st-detail__define dt {
  font-size: 2vw;
  font-weight: bold;
  line-height: 5vw;
}
.st-detail__define dd {
  font-size: 1.25vw;
  line-height: 1.9vw;
}

.st-detail__contact {
  background-color: #877E68;
  color: #f5f5f5;
  padding: 20px 60px;
  border-radius: 40px;
  box-shadow: 0 0 20px 1px #877E68;
  font-weight: bold;
}
.st-detail__contact:hover, .st-detail__contact:focus {
  opacity: 0.8;
}

@media screen and (max-width: 680px) {
  .st-detail {
    padding: 70px 0 30vw;
  }
  .st-detail__img {
    overflow: hidden;
  }
  .st-detail__img img {
    height: 32vw;
  }
  .st-detail__title {
    top: 40vw;
    font-size: 3.8vw;
  }
  .st-detail__list {
    padding-bottom: 10vw;
    flex-direction: column;
  }
  .st-detail__item {
    width: 90%;
  }
  .st-detail__figure img {
    width: 77vw;
    height: 49vw;
  }
  .st-detail__define dt {
    font-size: 5vw;
    line-height: 12vw;
    padding-left: 2vw;
  }
  .st-detail__define dd {
    font-size: 3.5vw;
    line-height: 5vw;
  }
  .st-detail__contact {
    padding: 6vw 6vw;
  }
}