/* --------------------------------
トピックス
最終更新日: 2025/07/04

-- 各種定義 --------
- 優先度 ----
.pr-a : 優先度A
.pr-b : 優先度B
.pr : 優先度A・B共通
（なし） : 優先度C
- メディア ----
.med-article : ノーコード活用記事
.med-whitepaper : ホワイトペーパー
.med-seminar : セミナー
- カテゴリー ----
.cat-utilization : JUST.DB活用例
.cat-operation : ノーコードツール導入・運用
.cat-dx : DX
.cat-efficiency : 業務効率化
.cat-breakaway : 脱Excel・脱Acsess
.cat-others : その他
-------------------------------- */

.topics-wrapper {
  width: 100%;
  background-color: #fff;
  overflow: hidden;
}

.topics-wrapper a {
  display: inline-block;
  height: 100%;
  text-decoration: none;
  color: #333;
  display: block;
  transition: color 0.5s ease;
}

.topics-wrapper a:hover {
  /* color: #777; */
  color: var(--color-light-teal);
}

.topics-wrapper>ul {
  /* width: 1200px; */
  width: 1600px;
  max-width: calc(90% - 20px);
  margin: 40px auto;
  padding-inline-start: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(200px, auto);
  column-gap: 60px;
  row-gap: 50px;
  position: relative;
}

.topics-wrapper>ul::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: calc((100% - (60px * 2)) / 3 + (60px / 2) - 1px);
  width: 3px;
  height: 100%;
  border-left: 2px solid var(--color-light-gray);
}

.topics-wrapper>ul::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  right: calc((100% - (60px * 2)) / 3 + (60px / 2) - 1px);
  width: 3px;
  height: 100%;
  border-left: 2px solid var(--color-light-gray);
}

.topics-wrapper>ul>li {
  list-style: none;
  position: relative;
}

.topics-wrapper>ul>li .content-inner {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.topics-wrapper>ul>li.pr .content-inner {
  grid-template-columns: 1fr;
  grid-template-rows: minmax(auto, 60%) minmax(40%, auto);
  gap: 0;
}

.topics-wrapper>ul>li .thumb {
  overflow: hidden;
  /*
  position: relative;
  background-color: rgb(var(--color-sea-green-dec) / 0.2);
  */
}

.topics-wrapper>ul>li.thumb-contain .thumb {
  background: center / cover no-repeat linear-gradient(165deg, #fafcfd, #f1f8fa);
}

/* background-imageを使うパターン */
/*
.topics-wrapper > ul > li .thumb .img {
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    transition: transform 0.5s ease;
}

.topics-wrapper > ul > li:hover .thumb .img {
    transform: scale(1.2);
}
*/

/* img要素を使うパターン */
.topics-wrapper>ul>li .thumb>img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.5s ease;
}

.topics-wrapper>ul>li:hover .thumb>img {
  transform: scale(1.2);
}

.topics-wrapper>ul>li.thumb-contain .thumb>img {
  /*
  position: relative;
  z-index: 2;
  */
  object-fit: contain;
}

/*
.topics-wrapper>ul>li.thumb-contain .thumb>.thumb-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(8px);
  opacity: 0.15;
}
*/

.topics-wrapper>ul>li .subjects {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  position: relative;
  border-bottom: 2px solid var(--color-light-gray);
  min-height: fit-content;
  padding: 30px 0;
}

.topics-wrapper>ul>li .subjects::before {
  content: "";
  display: block;
  position: absolute;
  bottom: -3px;
  left: 0;
  width: calc(100% - 35px);
  border-bottom: 2px solid var(--color-justdb-blue);
  transform: scaleX(0);
  transform-origin: bottom left;
  transition: transform 0.2s ease;
}

.topics-wrapper>ul>li:hover .subjects::before {
  transform: scaleX(100%);
}

.topics-wrapper>ul>li .subjects::after {
  content: "";
  display: block;
  position: absolute;
  bottom: -3px;
  right: 0;
  width: 35px;
  border-bottom: 2px solid var(--color-justdb-blue);
}

.topics-wrapper>ul>li .subjects p {
  margin: 0;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  letter-spacing: 0.015em;
  /* letter-spacing: -0.2px; */
}

/* サマリー */
.topics-wrapper>ul>li .subjects p~p {
  width: 85%;
  max-width: fit-content;
  padding: 20px 25px;
  margin: 30px auto 0;
  font-size: 14px;
  font-weight: 500;
  text-align: justify;
  position: relative;
  line-clamp: 6;
}

/*
.topics-wrapper > ul > li .subjects p:first-of-type + p {
    margin-top: -10px;
}
*/
.topics-wrapper>ul>li .subjects p~p::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 30%;
  height: 40%;
  border-top: 1px solid var(--color-gray);
  border-left: 1px solid var(--color-gray);
}

.topics-wrapper>ul>li .subjects p~p::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  right: 0;
  width: 30%;
  height: 40%;
  border-bottom: 1px solid var(--color-gray);
  border-right: 1px solid var(--color-gray);
}

.topics-wrapper>ul>li .med-cat-wrapper {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0;
}

.topics-wrapper>ul>li .medium {
  --topics-medium-opacity: 0.15;
  position: absolute;
  z-index: 2;
  top: 10px;
  left: -10px;
  background-color: rgb(255 255 255 / 0.7);
  backdrop-filter: blur(7px);
}

.topics-wrapper>ul>li .medium::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  /* width: 3px; */
  width: 100%;
  height: 100%;
  background-color: rgb(var(--color-justdb-blue-dec) / var(--topics-medium-opacity));
}

.topics-wrapper>ul>li.med-article .medium {
  color: var(--color-medium-article-dark);
}

.topics-wrapper>ul>li.med-article .medium::before {
  background-color: rgb(var(--color-medium-article-dec) / var(--topics-medium-opacity));
}

.topics-wrapper>ul>li.med-whitepaper .medium {
  color: var(--color-medium-whitepaper-dark);
}

.topics-wrapper>ul>li.med-whitepaper .medium::before {
  background-color: rgb(var(--color-medium-whitepaper-dec) / var(--topics-medium-opacity));
}

.topics-wrapper>ul>li.med-seminar .medium {
  color: var(--color-medium-seminar-dark);
}

.topics-wrapper>ul>li.med-seminar .medium::before {
  background-color: rgb(var(--color-medium-seminar-dec) / var(--topics-medium-opacity));
}

.topics-wrapper>ul>li .medium>p {
  position: relative;
  z-index: 3;
  margin: 0;
  padding: 5px 10px;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  letter-spacing: 0;
  /* letter-spacing: -0.1px; */
}

.topics-wrapper>ul>li .category {
  position: absolute;
  z-index: 2;
  top: 51px;
  left: -10px;
  background-color: rgb(255 255 255 / 0.6);
  backdrop-filter: blur(7px);
}

.topics-wrapper>ul>li .category>p {
  position: relative;
  z-index: 3;
  margin: 0;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  /* color: var(--color-justdb-blue); */
  letter-spacing: 0;
  /* letter-spacing: -0.1px; */
}

.topics-wrapper>ul>li.cat-utilization .category>p {
  color: var(--color-category-utilization-dark);
}

.topics-wrapper>ul>li.cat-operation .category>p {
  color: var(--color-category-operation-dark);
}

.topics-wrapper>ul>li.cat-dx .category>p {
  color: var(--color-category-dx-dark);
}

.topics-wrapper>ul>li.cat-efficiency .category>p {
  color: var(--color-category-efficiency-dark);
}

.topics-wrapper>ul>li.cat-breakaway .category>p {
  color: var(--color-category-breakaway-dark);
}

.topics-wrapper>ul>li.cat-others .category>p {
  color: var(--color-category-others-dark);
}

@media only screen and (max-width: 1024px) {
  .topics-wrapper>ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .topics-wrapper>ul::before {
    left: calc(50% - 1px);
  }

  .topics-wrapper>ul::after {
    display: none;
  }
}

@media only screen and (max-width: 500px) {
  .topics-wrapper>ul {
    display: block;
  }

  .topics-wrapper>ul::before {
    display: none;
  }

  .topics-wrapper>ul::after {
    display: none;
  }

  .topics-wrapper>ul>li~li {
    margin-top: 15vw;
  }

  .topics-wrapper>ul>li .content-inner {
    display: block;
  }

  .topics-wrapper>ul>li .thumb {
    height: 60%;
    max-height: 250px;
  }

  .topics-wrapper>ul>li .subjects {
    display: block;
    padding: 10vw 0;
  }

  .topics-wrapper>ul>li .subjects p~p {
    margin-top: 10vw;
  }
}