.whtiepaper {
  overflow: hidden;
  background-color: rgba(248, 248, 248, 1);
}
.whtiepaper-fv {

}
.whitepaper-fv-inner{
  position: relative;
  height: 100vh;
  overflow: hidden;
  background-color: #000;
}
.video-resource{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 1;
}
.whtiepaper-title{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
  z-index: 2;
}
.whtiepaper-title {
  font-size: 5.2rem;
  font-weight: bold;
  text-align: center;
}

.whitepaper-wrap {
  margin-top: 12rem;
}
.whitepaper-inner {
  width: 120rem;
  margin: 0 auto;
  padding-bottom: 8rem;
}

.whitepaper-wrap-title {
  font-size: 3.4rem;
  margin-top: 2.8rem;
  line-height: 4rem;
}
.whitepaper-subtitle {
  color: rgba(102, 102, 102, 1);
}
.whitepaper-list-wrap {
  margin-top: 6rem;
}

.whitepaper-item {
  background-color: #fff;
  border-radius: 2rem;
  transition: transform 0.3s ease;
}
.whitepaper-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.05);
}
.whitepaper-item-img img {
  width: 100%;
  border-radius: 2rem 2rem 0 0;
}
.whitepaper-item-text {
  padding: 2rem;
}
.whitepaper-item-title {
  font-size: 2rem;
  line-height: 1.4;
}
.whitepaper-item-desc {
  font-size: 1.6rem;
  font-weight: 400;
}
.whitepaper-item-desc {
  margin-top: 1.6rem;
  color: rgba(102, 102, 102, 1);
}
.webiner-archive {
  background-color: rgba(238, 238, 238, 1);
  padding-top: 8rem;
  padding-bottom: 8rem;
}
.webiner-archive-inner {
  width: 120rem;
  margin: 0 auto;
}

.webiner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.webiner-card {
  background: #fff;
  border-radius: 2rem;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.webiner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.05);
}

.webiner-card-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.webiner-card-body {
  padding: 2rem;
}

.case-card-title {
  font-weight: 600;
  margin-bottom: 0.3rem;
  font-size: 2rem;
  margin-top: 0.8rem;
}

@media screen and (max-width: 768px) {
    .whtiepaper-title {
        font-size: 3.2rem;
        font-weight: bold;
        text-align: center;
      }
      .whitepaper-wrap {
        margin-top: 12rem;

      }
      .whitepaper-inner {
        width: 100%;
        margin: 0 auto;
        padding-bottom: 8rem;
        padding-left: 2rem;
        padding-right: 2rem;
        box-sizing: border-box;
      }
      .whitepaper-wrap-title {
        font-size: 2.4rem;
        margin-top: 2.8rem;
        line-height: 4rem;
      }
      .whitepaper-subtitle {
        color: rgba(102, 102, 102, 1);
      }
      .webiner-archive{
        padding-left: 2rem;
        padding-right: 2rem;
        box-sizing: border-box;
      }
      .webiner-archive-inner {
        width: 100%;
        margin: 0 auto;
    }

    .webiner-grid {
        display: block;
    gap: initial;
    margin-top: 2rem;
      }
      .webiner-card {
        margin-bottom: 2rem;
      }
}


.whitepaper-single {
    padding: 10rem 2rem;
    background-color: #f8f8f8;
    padding-top: 22.8rem;
  }
  .whitepaper-single-inner {
    display: flex;
    justify-content: space-between;
    max-width: 120rem;
    padding-top: 12rem;
    margin: 0 auto;
    gap: 4rem;
  }
  .whitepaper-single-left,
  .whitepaper-single-right {
    flex: 1;
  }
  
  .whitepaper-single-right {
    background-color: #fff;
    border-radius: 2rem;
    padding: 6rem 4rem;
    box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.05);
  }

  .whitepaper-single .whitepaper-item-title{
    font-size: 3.2rem;
    margin-top: 6rem;
    margin-bottom: 4rem;
  }

  .whitepaper-single .whitepaper-item-text p {
    margin-top: 2rem;
;
  }
  
  /* モバイル対応 */
  @media screen and (max-width: 768px) {
    .whitepaper-single-inner {
      flex-direction: column;
    }
  }


  .news-single-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4rem 2rem;
    gap: 2rem;
    width: 100%;
    background-color: #fff;
    box-sizing: border-box;
  }
  
  .news-single-navigation .previous-post a,
  .news-single-navigation .next-post a {
    display: inline-block;
    padding: 1rem 2rem;
    color: #222;
    text-decoration: none;
    border-radius: 1rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
  }
  
  .news-single-navigation .previous-post a:hover,
  .news-single-navigation .next-post a:hover {
    background-color: #ddd;
  }
  
  .news-single-navigation .previous-post {
    text-align: center;
    width: 30%;
  }
  
  .news-single-navigation .next-post {
    text-align: center;
    width: 30%;
  }

  .nav-disabled{
    color: #aaa;
    cursor: not-allowed;
  }
  
  /* モバイル対応 */
  @media screen and (max-width: 768px) {
    .news-single-navigation {
      flex-direction: column;
      align-items: stretch;
      text-align: center;
      padding: 0;
    }
  
    .news-single-navigation .previous-post,
    .news-single-navigation .next-post {
      text-align: center;
    }
  
    .news-single-navigation .previous-post a,
    .news-single-navigation .next-post a {
      width: 100%;
      padding: 0;
      padding-bottom: 2rem;
    }
  }


  .catalog-wrap {
    background-color: #fff;
    padding: 8rem 0;
  }
  
  .catalog-inner {
    max-width: 120rem;
    margin: 0 auto;

  }

  .catalog-btns{
    display: flex;
    justify-content: center;
    gap: 4rem; /* ← 画像の間に余白をつけるなら */
    flex-wrap: wrap; /* ← モバイル対応で折り返し可能にする */
    margin-top: 4rem;
  }

  .catalog-btn {
    display: block; /* aタグをブロック要素にして横並び安定 */
    max-width: 48%;
  }
  
  .catalog-btn img {
    max-width: 100%;
    height: auto;
    border-radius: 1rem; /* 任意で角丸なども */
    transition: transform 0.3s ease;
  }
  
  .catalog-btn:hover img {
    transform: translateY(-4px);
  box-shadow: 0 0.4rem 1rem rgba(0, 0, 0, 0.05);
  }

  @media screen and (max-width: 768px) {
    .catalog-wrap {
      background-color: #fff;
      padding: 6rem 2rem;
    }
    .catalog-inner {
      flex-direction: column;
      align-items: center;
      gap: 2rem;
    }
    .catalog-btn {
      display: block; /* aタグをブロック要素にして横並び安定 */
      max-width: 100%;
    }
  }