/* ==========================================================================
index
========================================================================== */
.background-image-bottom {
  position: absolute;
  top: calc(100% - 610px);
  z-index: -1;
}

.content {
  margin-bottom: 200px;
}

.article-grid-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  justify-content: center;
  grid-gap: 20px;
}

.article-grid-item a {
  padding: 12px 32px;
  word-wrap: break-word;
  font-size: 1.6rem;
  line-height: 1.3;
  color: #222222;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  border-radius: 100px;
  border: 2px solid #fd6f31;
  text-decoration: none;
  background-color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  gap: 10px;
}

.clear-flex {
  flex: 0 0 auto;
}

@media screen and (max-width: 1024px) {
  .article-grid-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media screen and (max-width: 768px) {
  .opt-pc_2clm > li:nth-child(-n + 2) {
    margin-top: 34px;
  }

  .article-grid-container {
    grid-template-columns: 100%;
  }
}

@media screen and (max-width: 600px) {
  .background-image-bottom-sp {
    display: block;
    position: absolute;
    top: calc(100% - 200px);
    z-index: -1;
  }
}