.contents_block:not(:last-child){
  margin-bottom: 40px;
}
.news_index .link_area ul{
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 10px;
}
.news_index .link_area ul::before{
  content:"";
  display: block;
  width: 300px;
  order: 1;
}
.news_index .link_area ul::after{
  content:"";
  display: block;
  width: 300px;
}

@media only screen and (max-width: 976px){
  .news_index .link_area ul .btn a{
    width: 236px;
  }
  .news_index .link_area ul::before{
    width: 236px;
  }
  .news_index .link_area ul::after{
    width: 236px;
  }
}

@media only screen and (max-width: 768px){
  .news_index .link_area ul{
    flex-direction: column;
    gap: 20px;
  }
  .news_index .link_area ul .btn a{
    width: 300px;
  }
}