#news-detail {
  padding-top: 10rem;
  padding-bottom: 14rem;
  width: 74rem;
  margin: 0 auto;
}
#news-detail .news-detail_head .date {
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  line-height: 1;
  padding-bottom: 0.6rem;
  font-weight: 600;
}
#news-detail .news-detail_head h3 {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #E0E0E0;
  padding-bottom: 1rem;
}
#news-detail .news-detail_content {
  padding-top: 5rem;
  padding-bottom: 7rem;
}
#news-detail .news-detail_content img {
  width: revert-layer;
  height: revert-layer;
  max-width: 100%;
}
#news-detail .news-detail_content p {
  font-size: 1.5rem;
  line-height: 1.8;
}
#news-detail .news-detail_content a {
  color: #14629B;
  text-decoration: underline;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  font-size: 100%;
}
#news-detail .news-detail_content a:hover {
  color: #7C8C98;
}

.back-btn {
  position: relative;
  overflow: hidden;
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  padding-bottom: 1.2rem;
  width: 16rem;
  margin: 0 auto;
  padding-left: 4.4rem;
}
.back-btn a {
  font-size: 100%;
}
.back-btn:before {
  content: "";
  width: 0.95rem;
  height: 0.95rem;
  background: url(../images/common/arrow.svg) 0 0 no-repeat;
  background-size: 100% auto;
  position: absolute;
  top: 0.3rem;
  left: 0.4rem;
  -webkit-transform: scaleX(-1);
          transform: scaleX(-1);
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.back-btn:after {
  content: "";
  width: 100%;
  height: 1px;
  background-color: #000;
  position: absolute;
  bottom: 0;
  right: 0;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.back-btn:hover:before {
  left: 0;
}
.back-btn:hover:after {
  right: 100%;
}

@media screen and (max-width: 767px) {
  #news-detail {
    padding-top: 7rem;
    padding-bottom: 9rem;
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }
  #news-detail .news-detail_head h3 {
    font-size: 2.2rem;
  }
  #news-detail .news-detail_content {
    padding-top: 4rem;
    padding-bottom: 6rem;
  }
  .back-btn {
    font-size: 1.4rem;
  }
}