/**
 * whitepaper.css
 */
@import './cases.css'; /* import cases */
.casesContent_thumbnail {
  margin-bottom: 4rem;
  width: calc(100%);
  height: auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
@media (max-width: 767px) {
  .casesContent_thumbnail {
    margin-bottom: 3rem;
  }
}

.main_fv_bg::before,
.main_fv_bg::after {
  content: none;
}
.whitepaperPage_menuList {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  justify-content: center;
  margin: 0;
  padding-left: 0;
  list-style: none;
}
@media (max-width: 767px) {
  .whitepaperPage_menuList {
    gap: 1rem;
    width: 100%;
    max-width: 32rem;
    margin: 0 auto;
  }
  .whitepaperPage_menuItem {
    width: 100%;
  }
}
.whitepaperPage_menuLink {
  position: relative;
  display: flex;
  align-items: center;
  padding: 1.8rem 4rem 1.8rem 2rem;
  color: var(--color-navy);
  font-weight: bold;
  font-size: 1.4rem;
  background-color: var(--color-white);
  border: solid 1px var(--color-navy);
  border-radius: 1rem;
  transition: var(--transition_base);
}
@media (max-width: 767px) {
  .whitepaperPage_menuLink {
    padding: 1.4rem 4rem 1.4rem 2rem;
  }
}
.whitepaperPage_menuLink::after {
  position: absolute;
  top: 50%;
  right: 2rem;
  display: block;
  width: 1rem;
  height: 0.5rem;
  background: url(../../img/common/icon-arrow_blue_bottom_whitepaper.png)
    no-repeat;
  background-size: contain;
  transform: translateY(-50%);
  transition: var(--transition_base);
  content: '';
}
@media (min-width: 768px) {
  .whitepaperPage_menuLink:hover {
    color: var(--color-white);
    background-color: var(--color-navy);
  }
  .whitepaperPage_menuLink:hover::after {
    background-image: url(../../img/common/icon-arrow_white_bottom_whitepaper.png);
    background-size: contain;
  }
}
.whitepaperCard {
  width: 100%;
  max-width: 106rem;
}
.whitepaperCard_categoryName {
  margin-top: -11rem;
  margin-bottom: 3.2rem;
  padding-top: 17rem;
  color: var(--color-navy);
  font-weight: bold;
  font-size: 3rem;
  text-align: center;
}
@media (max-width: 767px) {
  .whitepaperCard_categoryName {
    margin-top: -6.8rem;
    margin-bottom: 2.6rem;
    padding-top: 11rem;
    font-size: 2.4rem;
  }
}
.whitepaperCard_list {
  display: flex;
  flex-wrap: wrap;
  gap: 4.5rem;
  justify-content: center;
}
@media (max-width: 767px) {
  .whitepaperCard_list {
    gap: 2rem;
    justify-content: start;
  }
}
.whitepaperCard_list.whitepaperCard_listLeft {
  justify-content: start;
}
.whitepaperCard_item {
  width: 100%;
  max-width: calc((100% - 9rem) / 3);
}
@media (max-width: 767px) {
  .whitepaperCard_item {
    max-width: calc((100% - 2rem) / 2);
  }
}
.whitepaperCard_item_first {
  display: flex;
  justify-content: center;
  width: 100%;
}
.whitepaperCard_item_first .whitepaperCard_item {
  max-width: 42rem;
}
@media (max-width: 767px) {
  .whitepaperCard_item_first .whitepaperCard_item {
    max-width: 22.3rem;
  }
}

.whitepaperCard_item.first_item::before,
.whitepaperCard_item.first_item::after {
  display: block;
  content: '';
}
.whitepaperCard_link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 2rem;
  overflow: hidden;
  color: var(--color-black);
  text-decoration: none;
  background: var(--color-white);
  border-radius: 1rem;
  transition: var(--transition_base);
}
@media (max-width: 767px) {
  .whitepaperCard_link {
    padding: 1.5rem;
  }
}
.whitepaperCard_thumb {
  aspect-ratio: 16 / 9;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(100% + 4rem);
  margin: -2rem -2rem 1.4rem;
  overflow: hidden;
}
@media (max-width: 767px) {
  .whitepaperCard_thumb {
    width: calc(100% + 3rem);
    margin: -1.5rem -1.5rem 1rem;
  }
}
.whitepaperCard_thumb img {
  width: 100%;
}
.whitepaperCard_title {
  margin-bottom: 1.1rem;
  font-weight: bold;
}
@media (max-width: 767px) {
  .whitepaperCard_title {
    margin-bottom: 0.9rem;
  }
}
.whitepaperCard_button {
  min-width: 16.2rem;
  margin: 0 auto;
  padding: 0.8rem 2rem;
  color: var(--color-white);
  font-size: 1.2rem;
  text-align: center;
  background-color: var(--color-navy);
  border: solid 1px var(--color-navy);
  border-radius: 25em;
  transition: var(--transition_base);
}
@media (max-width: 767px) {
  .whitepaperCard_button {
    min-width: 14.2rem;
    padding: 0.6rem 1.5rem;
  }
}
@media (min-width: 768px) {
  .whitepaperCard_link:hover .whitepaperCard_button {
    color: var(--color-navy);
    background-color: var(--color-white);
  }
}

.whitepaperCard_moreButton {
  margin-top: 4.5rem;
  text-align: center;
}