@charset "UTF-8";
#PRODUCTION {
  /* 1024px以下 → 3列 */
  /* 768px以下 → 2列 */
  /* 480px以下 → 1列 */
}
#PRODUCTION .text {
  text-align: center;
  font-size: 2em;
  line-height: 1.5;
  margin-bottom: 4%;
}
#PRODUCTION .post-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 1rem;
}
#PRODUCTION .post-grid .post-card {
  background: #fff;
  border: 1px solid #ddd;
  padding: 1rem;
  border-radius: 8px;
  transition: box-shadow 0.3s;
  height: 100%;
}
#PRODUCTION .post-grid .post-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
#PRODUCTION .post-grid .post-card .thumbnail img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}
#PRODUCTION .post-grid .post-card .title {
  font-size: 1.5rem;
  margin: 2% 0;
}
#PRODUCTION .post-grid .post-card .excerpt {
  font-size: 1.2em;
}
@media (max-width: 1024px) {
  #PRODUCTION .post-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 768px) {
  #PRODUCTION .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  #PRODUCTION .post-grid {
    grid-template-columns: 1fr;
  }
}