.sec-case {
  position: relative;
  z-index: 1;
  padding: 62px 0 64px;
}
@media (max-width: 767px) {
  .sec-case {
    padding: 42px 0 40px;
  }
}
.sec-case:before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 447px;
  background-color: #0a6371;
  content: '';
}
@media (max-width: 767px) {
  .sec-case:before {
    height: auto;
    padding-top: 94.1333333333%;
  }
}
.sec-case .sec-case__hdg {
  font-size: 42px;
  color: #fff;
  font-weight: 700;
  text-align: center;
}
@media (max-width: 767px) {
  .sec-case .sec-case__hdg {
    font-size: 24px;
  }
}
.sec-case .sec-case__lead {
  margin-top: 7px;
  font-size: 18px;
  line-height: 1.5555555556;
  color: #fff;
  text-align: center;
  font-weight: 500;
}
@media (max-width: 767px) {
  .sec-case .sec-case__lead {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.5;
  }
}
.sec-case .sec-case__wrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 50px;
  margin-top: 45px;
  background-color: rgba(255, 255, 255, 0.9);
  -webkit-box-shadow: 0 0 60px 0 rgba(0, 0, 0, 0.2);
  box-shadow: 0 0 60px 0 rgba(0, 0, 0, 0.2);
}
@media (max-width: 767px) {
  .sec-case .sec-case__wrap {
    display: block;
    padding: 20px;
    margin-top: 15px;
    -webkit-box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.2);
    box-shadow: 0 0 15px 0 rgba(0, 0, 0, 0.2);
  }
}
.sec-case .sec-case__img {
  width: 43.6363636364%;
  -ms-flex-negative: 0;
  flex-shrink: 0;
}
@media (max-width: 767px) {
  .sec-case .sec-case__img {
    width: 100%;
  }
}
.sec-case .sec-case__img img {
  width: 100%;
}
.sec-case .sec-case__textarea {
  padding-left: 49px;
  margin-top: -8px;
}
@media (max-width: 767px) {
  .sec-case .sec-case__textarea {
    padding-left: 0;
    margin-top: 16px;
  }
}
.sec-case .sec-case__wrap-hdg {
  font-size: 32px;
  line-height: 1.5;
  color: #0a6371;
  font-weight: 700;
}
@media (max-width: 767px) {
  .sec-case .sec-case__wrap-hdg {
    font-size: 18px;
    line-height: 1.3333333333;
  }
}
.sec-case .sec-case__txt {
  margin-top: 11px;
  font-size: 20px;
  font-weight: 700;
}
@media (max-width: 767px) {
  .sec-case .sec-case__txt {
    margin-top: 7px;
    font-size: 14px;
  }
}
.sec-case .sec-case__btn {
  width: 400px;
  margin-top: 42px;
  margin-left: 0;
  color: #fff;
  background-color: #29a5a5;
}
@media (max-width: 767px) {
  .sec-case .sec-case__btn {
    width: calc(100% - 20px);
    margin-left: auto;
    margin-top: 16px;
  }
}
.sec-case .sec-case__btn a {
  -webkit-box-shadow: none;
  box-shadow: none;
  border-radius: 3px;
}
.sec-case .sec-case__btn a:before {
  position: absolute;
  top: calc(50% - 6px);
  right: 15px;
  width: 8px;
  height: 13px;
  background: url('/assets/img/common/ico_arrow_white.png') no-repeat 100% 50% / cover;
  content: '';
}