/* ===== News詳細ページ ===== */
.news-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: var(--color-bg);
  border-bottom: 1px solid rgba(0,0,0,0.07);
}

.news-back {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.25s;
}

.news-back:hover {
  color: var(--color-accent);
}

.news-back svg {
  width: 16px;
  height: 16px;
}

.news-site-logo {
  text-decoration: none;
}

.news-site-logo img {
  height: 20px;
  max-width: 120px;
  width: auto;
  display: block;
  object-fit: contain;
}

.news-article {
  padding: 80px 40px 120px;
}

.news-article-inner {
  max-width: 720px;
  margin: 0 auto;
}

.news-article-date {
  display: block;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.news-article-title {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.news-article-body p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 1.5em;
}

.news-inline-link {
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.25s;
}

.news-inline-link:hover {
  color: var(--color-accent);
}

.news-article-img {
  width: 100%;
  max-height: 600px;
  object-fit: contain;
  display: block;
  margin-bottom: 40px;
}

@media (max-width: 600px) {
  .news-header {
    padding: 16px 20px;
  }

  .news-article {
    padding: 48px 20px 80px;
  }
}