.related-post {
  background-color: #f4f4f4;
  padding: 40px 0 80px;
}
.related-post__container {
  margin: 0 auto;
  padding: 0 64px;
  max-width: 1366px;
}
.related-post__content {
  display: flex;
  justify-content: space-between;
}
.related-post__heading {
  max-width: 478px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 24px;
}
.related-post__title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 300;
  font-size: 24px;
  letter-spacing: 0;
  text-align: left;
}
.related-post__list {
  flex: 1;
  max-width: 720px;
  display: flex;
  flex-direction: column;
}
.related-post__no-posts {
  text-align: center;
  padding: 40px;
  color: #A6A9AB;
}
.related-post__news-list {
  margin-top: 0 !important;
}
.related-post__news-list .news__card {
  margin-top: 0 !important;
  border-top: 1px solid #A6A9AB;
  border-bottom: 1px solid #A6A9AB;
}
.related-post__news-list .news__card:nth-child(2) {
  border-top: none;
}
.related-post__news-list .news__card:nth-child(3) {
  border-top: none;
}
.related-post__more {
  display: flex;
  justify-content: flex-start;
}
.related-post__more .btn {
  justify-content: flex-start;
  gap: 24px;
  margin: auto;
}
.related-post__more .btn:hover .related-post__more-arrow::before {
  transform: rotate(-24deg);
}
.related-post__more .btn:hover .related-post__more-arrow img {
  animation: arrowFlyHorizontalReverse 0.6s ease-in-out;
}
.related-post__more .related-post__more-arrow {
  position: relative;
  display: flex;
  width: 30px;
  height: 30px;
  justify-content: center;
  align-items: center;
}
.related-post__more .related-post__more-arrow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
  transform: rotate(0deg);
  transition: transform 0.5s ease;
  z-index: 0;
}
.related-post__more .related-post__more-arrow img {
  width: 11px;
  height: 7px;
  transform: rotate(0deg);
  transition: transform 0.5s ease;
  position: relative;
  z-index: 1;
}

@keyframes arrowFlyHorizontalReverse {
  0% {
    transform: translateX(0);
    opacity: 1;
  }
  30% {
    transform: translateX(-15px);
    opacity: 0;
  }
  35% {
    transform: translateX(15px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}
@media (max-width: 960px) {
  .related-post {
    padding: 0 16px 56px 16px;
  }
  .related-post__container {
    max-width: 375px;
    margin: 0 auto;
    padding: 0;
  }
  .related-post__content {
    flex-direction: column;
    gap: 24px;
  }
  .related-post__title {
    font-size: 18px;
  }
  .related-post__more .btn {
    justify-content: space-between;
  }
  .related-post__more .related-post__more-arrow {
    width: 26px;
    height: 26px;
  }
  .related-post__more .related-post__more-arrow img {
    width: 10px;
    height: 6px;
  }
}