/* ====== News Archive ====== */
.news-archive {
  margin: 2rem 0 3rem;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid #003366;
  padding-left: .5rem;
  color: #003366;
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.news-item {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  transition: box-shadow .2s;
}

.news-item:hover {
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
}

.news-link {
  display: block;
  padding: 1.2rem;
  text-decoration: none;
  color: inherit;
}

.news-meta {
  font-size: .85rem;
  color: #666;
  margin-bottom: .5rem;
  display: flex;
  gap: .75rem;
}

.news-meta time {
  font-weight: bold;
}

.news-meta .category {
  background: #003366;
  color: #fff;
  padding: 0.1rem 0.5rem;
  border-radius: 3px;
  font-size: .75rem;
}

.news-title {
  font-size: 1.1rem;
  margin: 0 0 .5rem;
  color: #003366;
}

.news-excerpt {
  font-size: .9rem;
  color: #444;
  margin: 0;
  line-height: 1.5;
}

/* ====== レスポンシブ（2列/3列表示） ====== */
@media (min-width: 640px) {
  .news-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .news-list {
    grid-template-columns: 1fr 1fr 1fr;
  }
}