@charset "UTF-8";
.topics {
  width: 1190px;
  margin:0 auto 180px;
}

.topics a {
  display: block;
}

.topics a:hover {
  text-decoration: none;
  opacity: 0.8;
  transition: .2s;
}

.topics .topics-ttl {
  font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
  font-size: 42px;
  font-style: italic;
  color: #1c1c1c;
  line-height: 1;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.topics .topics-ttl:before, .topics .topics-ttl:after {
  border-top: 2px solid #1c1c1c;
  width: 500px;
  height: 3px;
  position: absolute;
  top: 50%;
  display: inline-block;
  content: '';
}

.topics .topics-ttl:before {
  left: 0;
}

.topics .topics-ttl:after {
  right: 0;
}

.topics .topics-list {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: flex-start;
  align-items: flex-start;
  -webkit-justify-content: left;
  justify-content: left;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
}

.topics .topics-list li {
  width: calc((100% - 69px) / 4);
  margin-bottom: 23px;
  margin-right: 23px;
  display: block;
  position: relative;
}

.topics .topics-list li:nth-child(4n) {
  margin-right: 0;
}

.topics .topics-list li:nth-last-child(-n+4) {
  margin-bottom: 0;
}

.topics .topics-list li img {
  width: 100%;
  height: auto;
}