.box {
  display: flex;
  justify-content: space-between;
  margin: 0 0 30px;
}

.box .detail {
  max-width: 740px;
}

.box .text {
  margin: 0 0 30px;
  font-size: 1.8rem;
}

.box .text a:hover {
  opacity: 1;
  text-decoration: underline;
}

.box .image {
  margin-top: -68px;
}

.box .link-btn a {
  display: inline-block;
  padding: 5px 20px 9px;
  border: 1px solid #000;
  background-color: #FFF;
  font-size: 1.8rem;
  color: #000;
  transition: .3s;
}

.box .link-btn a:hover {
  background-color: #000;
  color: #FFF;
  opacity: 1;
}

@media (max-width: 767px) {
  .box {
    flex-wrap: wrap;
    flex-flow: column-reverse;
  }
  .box .detail {
    max-width: none;
    width: 100%;
  }
  .box .text {
    font-size: 1.6rem;
  }
  .box .text a {
    text-decoration: underline;
  }
  .box .image {
    margin: 0 0 30px;
    text-align: center;
  }
  .box .link-btn {
    margin: 0 auto;
    text-align: center;
  }
  .box .link-btn a {
    padding: 5px 20px 7px;
    font-size: 1.6rem;
  }
}