header {
  background: unset
}
#contents {
  width: 100%;
  max-width: 93%;
  background: rgba(255, 255, 255, 1);
  padding: 3.5%;
  margin-bottom: 0
}
#this_header h2 {
  text-align: center;
  position: relative;
  min-height: 1.4em;
  display: flex;
  align-items: center;
  justify-content: center;
}
#page-title {
  position: relative;
  opacity: 1;
  transition: opacity .8s ease;
}
#page-title.fade {
  opacity: 0;
}
#page-title.fade::after {
  opacity: 0;
}
.tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  background-color: #E8EEF6;
  padding: 2% 10%;
  font-size: .8rem;
  font-weight: bold;
  justify-content: center;
}
div.tags a:link {
  color: #0050FF;
}
div.tags .tag-btn {
  padding: 8px 15px;
  border: 1px solid #0050FF;
  background: #fff;
  color: #0050FF;
  border-radius: 20px;
  cursor: pointer;
}
div.tags .tag-btn.active {
  background: #0050FF;
  color: #fff !important;
}
.news-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.news-list li {
  background: #fff;
  border: .8px solid #1A1A1A;
  padding: 8px;
  box-sizing: border-box;
  border-radius: 10px;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.news-list li.show {
  opacity: 1;
}
.news-list li.hide {
  display: none;
}
.news-list li a:hover {
  opacity: .8
}
.news-list img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: scale-down;
  display: block;
  margin-bottom: 10px;
  border-radius: 5px 5px 0px 0px;
}
.news-list div.text {
  text-align: left;
  margin: 4%
}
.news-list div.tag {
  display: block;
  padding: 7px 16px 6px;
  border-radius: 25px;
  color: #1A1A1A !important;
  background-color: #E8EEF6;
  line-height: 1;
  font-size: .6rem;
  width: fit-content;
  margin: 0px 0.8% 0px 0px;
  text-align: center
}
.news-list div.tag-btn {
  display: flex
}
.news-list div.tag10-btn {
  display: ruby
}
.news-list div.tag10-btn .tag:last-child {
  margin-top: 1.8%
}
.news-list div.date {
  color: #6B7280;
  font-size: .8rem;
  font-weight: bold;
  margin: 3% 0 2%
}
.news-list h3.ttl {
  color: #1A1A1A;
  font-size: 1rem;
  line-height: 1.4;
  text-align: left;
  margin: 0 auto
}
@media (max-width:991.98px) {
  #contents {
    margin-bottom: 8vw;
  }
  #this_header h2 {
    font-size: 5.6vw;
  }
  .tags {
    padding: 4%;
    gap: 8px;
    font-size: 3vw;
  }
  div.tags .tag-btn {
    padding: 2vw 3vw;
    border-radius: 50px
  }
  .news-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .news-list div.tag {
    font-size: 2.5vw;
    padding: 2vw 3vw;
  }
  .news-list div.tag10-btn .tag:last-child {
    margin-top: 0
  }
  .news-list div.date {
    font-size: 3vw;
	margin: 2% 0 1%
  }
  .news-list h3.ttl {
    font-size: 3.5vw;
  }
}