.environment__content-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 4rem;
  row-gap: 3rem;
}
@media (max-width: 767px) {
  .environment__content-list {
    grid-template-columns: 1fr;
    row-gap: 2rem;
  }
}
.environment__content-list--5col {
  grid-template-columns: repeat(5, 1fr);
  column-gap: 3rem;
}
@media (max-width: 767px) {
  .environment__content-list--5col {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 1rem;
    row-gap: 0;
  }
}
.environment__content-list-item {
  padding-bottom: var(--p-30);
  border-bottom: 1px solid var(--c-black);
}
@media (max-width: 767px) {
  .environment__content-list-item {
    padding-bottom: var(--p-20);
  }
}
.environment__content-list-item--icon {
  padding: var(--p-30) var(--p-20);
  border-top: 1px solid var(--c-black);
}
@media (max-width: 767px) {
  .environment__content-list-item--icon {
    padding: var(--p-20) .8rem;
    border-top: none;
  }
  /* 最初の二つの要素のみborder-topを追加 */
  .environment__content-list-item--icon:first-child,
  .environment__content-list-item--icon:nth-child(2) {
    border-top: 1px solid var(--c-black);
  }
}
.environment__content-list-item-icon {
  display: block;
  width: 7rem;
  margin-inline: auto;
}
@media (max-width: 767px) {
  .environment__content-list-item-icon {
    width: 6rem;
  }
}

/* page-system.php で使用されるリンクリスト系のみ残す */
.index__links-list-item {
  box-sizing: border-box;
}
.index__links-list-item-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-inline: -3rem;
  padding: var(--p-30);
  border-top: 1px solid var(--c-black);
  position: relative;
  z-index: 0;
  transition: color 750ms var(--transition-easeOutExpo);
}
.index__links-list-item-link::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 750ms var(--transition-easeOutExpo);
  background-color: var(--c-black);
}
.index__links-list-item:last-child .index__links-list-item-link {
  border-bottom: 1px solid var(--c-black);
}
.index__links-list-item-link-subtext {
  margin-top: 1rem;
}
.index__links-list-item-link .btn__arrow {
  top: 50%;
  right: 3rem;
  transform: translateY(-50%);
}
@media (min-width: 768px) {
  .btn__hover:hover .btn__arrow-img {
    transform: scale(0);
  }
  .btn__hover:hover .btn__arrow-img--hover {
    transform: scale(1);
  }
  .index__links-list-item-link:hover {
    color: var(--c-white);
  }
  .index__links-list-item-link:hover::after {
    transform-origin: top;
    transform: scaleY(1);
  }
}
@media (max-width: 767px) {
  .index__links-list-item-link {
    margin-inline: 0;
    padding: var(--p-30) 2rem;
  }
  .index__links-list-item-link .btn__arrow {
    right: 2rem;
    width: 3rem;
    height: 3rem;
  }
}