@media screen and (min-width: 768px) {
  #post_archive_wrap {
    max-width: 800px;
    padding: 0 80px;
    margin: 0 auto;
  }
  #post_archive_wrap h1 {
    padding: 40px 0;
    font-size: 36px;
  }
  #post_detail_area {
    padding: 0 60px;
  }
  #post_detail_area #post_title_wrap {
    margin: 0 auto;
    max-width: 1200px;
  }
  #post_detail_area #post_title_wrap .post_title {
    font-size: 36px;
  }
  .post_link_wrap {
    max-width: 1200px;
    margin: 60px auto 40px;
    padding: 0 60px;
  }
  .post_link_wrap a {
    font-size: 20px;
  }
  .back_archive_button {
    font-size: 18px;
    height: 60px;
  }
}