.top_title3 {
  margin: 0 auto;
  text-align: center;
  width: 90%;
  font-weight: bold;
  padding-bottom: 60px;
}

.ttlbox {
  margin: 0 auto;
  border-bottom: 1px solid #e0e0e0;
  text-align: left;
  padding: 80px 100px 10px;
}

.np_date {
  font-size: 1.2em;
}

.np_title {
  font-size: 1.6em;
}

.np_txt {
  font-size: 1.2em;
  padding: 40px 100px 50px;
  text-align: left;
}

.np_backbtn {
  background: #dddddd;
  width: 190px;
  margin: 0 auto;
  padding: 2px;
  font-size: 1.1em;
}

.np_backbtn a:link, a:visited, a:hover, a:active {
  color: #3c3c3c;
  overflow: hidden;
  cursor: pointer;
  transition-duration: 0.3s;
}

.np_backbtn:hover a {
  opacity: 0.6;
  transition-duration: 0.3s;
}

@media (max-width: 1050px) {
  .top_title3 {
    font-weight: 100;
  }

  .ttlbox {
    padding: 30px 0px 10px;
  }

  .np_txt {
    padding: 30px 0px 50px;
  }
}