#all-wrap {
  background: URL(../image/common/dsr_portal_bg4.png) no-repeat center/cover;
}

.bg1-wrap {
  padding: 50px;
  background: URL(../image/common/dsr_portal_bg3.png) no-repeat center/cover;
}

.bg2-wrap {
  padding: 50px 0;
  background: URL(../image/common/dsr_portal_topics_bg2.png) no-repeat center/cover;
}

.top-menu {
  margin-top: 50px;
}

/**************************************/
/*スライドバナー*/
.swiper {
  width: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.slid-item {
  width: 100%;
  aspect-ratio: 16/7;
}

.swiper-button-prev,
.swiper-button-next {
  width: 7%;
}

.swiper-button-prev {
  left: 0;
}

.swiper-button-next {
  right: 0;
  transform: scale(-1, 1);
}

.swiper-button-next::after,
.swiper-button-prev::after {
  display: none;
}

.slid-item {
  width: 80%;
  margin: 0 auto;
}

.slid-item img {
  width: 100%;
}

/**************************************/
/*大戦略シリーズ*/
#lb-series {
  padding: 50px 0;
}

.products-list {
  display: flex;
  margin: 78px auto 0;
  flex-wrap: wrap;
}

.products-list li {
  width: 300px;
}

.products-img img {
  width: 100%;
}

/*各シリーズ3列*/
.products-list li + li {
  margin-left: 90px;
}

.products-list > li:nth-child(n + 4) {
  margin-top: 100px;
}

.products-list > li:nth-child(4),
.products-list > li:nth-child(7) {
  margin-left: 0;
}

.platform-list {
  display: flex;
  width: 100%;
  margin: 37px auto 0;
  flex-wrap: wrap;
}

.platform-list li {
  width: 33%;
}

/*プラットフォームボタン3列*/
.platform-list li + li {
  margin-left: 0.5%;
}

.platform-list li:nth-child(n + 4) {
  margin-top: 3px;
}

.platform-list li:nth-child(4) {
  margin-left: 0;
}

@media (max-width: 1130px) {
  /*大戦略シリーズ2列*/
  .products-list {
    max-width: 690px;
  }

  .products-list > li:nth-child(odd) {
    margin-left: 0;
  }

  .products-list > li:nth-child(even) {
    margin-left: 90px;
  }

  .products-list > li:nth-child(n + 3) {
    margin-top: 100px;
  }
}

@media (max-width: 690px) {
  /*大戦略シリーズ2列レスポンシブ*/
  .products-list {
    max-width: 96%;
    justify-content: space-between;
  }

  .products-list > li {
    width: 46%;
  }

  .products-list > li:nth-child(even) {
    margin-left: 0;
  }

  .products-list > li:nth-child(n + 3) {
    margin-top: 20px;
  }

  /*プラットフォーム2列*/
  .platform-list {
    margin-top: 10px;
    justify-content: space-between;
  }

  .platform-list li {
    width: 49%;
  }

  .platform-list li + li {
    margin-left: 0;
  }

  .platform-list li:nth-child(n + 3) {
    margin-top: 2%;
  }
}

@media screen and (max-width: 414px) {
  .bg1-wrap {
    padding: 0 0 30px;
  }

  .top-menu {
    margin-top: 0;
  }

  .swiper-wrap,
  .slid-item {
    width: 100%;
  }

  .swiper-button-prev,
  .swiper-button-next {
    display: none;
  }
}