.topics .l-container {
  position: relative;
  z-index: 1;
}
.topics__inner {
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2em 1em;
}
.topics__inner--item {
  width: 33.3%;
  width: calc(100% / 3 - 1em);
  max-width: 400px;
}
.topics__inner--item a {
  color: var(--color-black);
}
.topics__inner--item a:hover {
  color: var(--color-blue);
  opacity: 1;
}
.topics__inner--item span {
  color: var(--color-white);
  display: inline-block;
  font-size: 70%;
  font-weight: bold;
  margin-left: .5em;
  padding: 0 4px;
  white-space: nowrap;
}
.topics__inner--item span.news {
  background: #004cc5;
}
.topics__inner--item span.campaign {
  background: #c50000;
}
.topics__inner--item span.example {
  background: #7300c5;
}
.topics__inner--item span.function {
  background: #00968a;
}
.topics__inner--item span.other {
  background: var(--color-D-gray);
}
.topics__inner--item img {
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: -1;
}
.topics__inner--thumb {
  box-shadow: var(--shadow-inside-img);
}
.topics__inner--date {
  display: flex;
  margin-top: 10px;
}
/* ページネーション */
.topics__page {
  display: flex;
  justify-content: center;
  gap: 1em;
}
.topics__page--item {
  border: solid 2px var(--color-blue);
  border-radius: 50%;
  color: var(--color-blue);
  display: flex;
  font-size: 1.2em;
  justify-content: center;
  align-items: center;
  font-family: var(--number);
  text-align: center;
  margin-top: 60px;
  width: 2.5em;
  height: 2.5em;
}
.topics__page--item a {
  border: none;
}
.topics__page--item::before {
  content: "";
  display: block;
  padding-top: 100%;
}
.topics__page--item:hover {
  background: var(--color-blue);
}
.topics__page--item:hover a {
  color: var(--color-white);
}
.topics__page--item.active {
  background: var(--color-blue);
  color: var(--color-white);
}
.topics__page--item.inactive {
  background: var(--color-D-gray);
  border: solid 2px var(--color-D-gray);
  color: var(--color-white);
}

/* article */
.article h1 {
  border-bottom: 3px dashed var(--color-green);
  font-size: clamp(2.2rem, 2.04rem + 0.8vw, 3rem);
  text-align: start;
  margin-bottom: 40px;
  padding-bottom: 30px;
}
.article p,.article ul,.article ol {
  margin-bottom: 1em;
}
.article__date {
  margin-top: 100px;
  margin-bottom: 10px;
}
.article__inner {
  margin: 2em auto;
}
.article__img {
  box-shadow: var(--shadow-inside-img);
}
.article__img img {
  width: 100%;
  position: relative;
  z-index: -1;
}
.article__supplement {
  background: var(--color-L-gray);
  padding: 1em;
}
.article div:last-child p,.article div:last-child ul,.article div:last-child ol {
  margin-bottom: 0;
}
.article__link {
  margin-bottom: 80px;
}
.article__pagemap {
  background: var(--color-L-gray);
  color: var(--color-D-gray);
  display: flex;
  font-size: 80%;
  font-weight: bold;
  padding: 1em;
  overflow: scroll;
  white-space: nowrap;
}
.article__pagemap a {
  border: none;
}
.article__pagemap svg {
  fill: var(--color-D-gray);
  width: 1em;
  height: 1em;
  display: inline-block;
  margin: 0.4em;
}

@media screen and (max-width: 450px) {
  .topics__inner--item {
    width: 100%;
  }
}