/* SYN-LAUNCH-BLOG-ANNOUNCEMENT-001: ブログ・お知らせ公開面 */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.blog-category-filter {
  margin: 1.5rem 0 2rem;
}

.blog-category-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-category-filter__link {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border: 1px solid #c5d4e8;
  border-radius: 4px;
  color: #1a3a5c;
  text-decoration: none;
  font-size: 0.9rem;
}

.blog-category-filter__link.is-active,
.blog-category-filter__link:hover {
  background: #1a3a5c;
  border-color: #1a3a5c;
  color: #fff;
}

.blog-index {
  display: grid;
  gap: 1.75rem;
}

.blog-card {
  display: grid;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
}

@media (min-width: 768px) {
  .blog-card {
    grid-template-columns: 220px 1fr;
    align-items: start;
  }
}

.blog-card__category {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  color: #4a6fa5;
}

.blog-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  line-height: 1.4;
}

.blog-card__title a {
  color: #12304f;
  text-decoration: none;
}

.blog-card__title a:hover {
  text-decoration: underline;
}

.blog-card__excerpt {
  margin: 0.5rem 0;
  color: #334155;
  line-height: 1.6;
}

.blog-meta {
  margin: 0.25rem 0;
  font-size: 0.875rem;
  color: #64748b;
}

.blog-eyecatch {
  margin: 0 0 1.25rem;
}

.blog-eyecatch__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  object-fit: cover;
}

.blog-eyecatch--thumb .blog-eyecatch__img {
  max-height: 140px;
}

.blog-markdown {
  line-height: 1.8;
  color: #1e293b;
}

.blog-markdown h2,
.blog-markdown h3 {
  margin: 1.75rem 0 0.75rem;
  line-height: 1.35;
  color: #12304f;
}

.blog-markdown p,
.blog-markdown ul,
.blog-markdown ol,
.blog-markdown blockquote,
.blog-markdown table {
  margin: 0 0 1rem;
}

.blog-markdown a {
  color: #1a4f8a;
}

.blog-markdown blockquote {
  margin-left: 0;
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 3px solid #c5d4e8;
  color: #475569;
}

.blog-markdown pre,
.blog-markdown code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.blog-markdown pre {
  overflow-x: auto;
  padding: 0.75rem 1rem;
  background: #f1f5f9;
  border-radius: 4px;
}

.blog-markdown table {
  width: 100%;
  border-collapse: collapse;
}

.blog-markdown th,
.blog-markdown td {
  border: 1px solid #cbd5e1;
  padding: 0.4rem 0.6rem;
  text-align: left;
}

.blog-cta {
  margin: 2.5rem 0 1.5rem;
  padding: 1.5rem;
  background: linear-gradient(160deg, #f0f6fc 0%, #e8f0f8 100%);
  border-radius: 8px;
}

.blog-cta__title {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  color: #12304f;
}

.blog-cta__lead {
  margin: 0 0 1rem;
  color: #334155;
  line-height: 1.6;
}

.blog-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
}

.blog-related {
  margin: 2rem 0;
  padding-top: 1.5rem;
  border-top: 1px solid #e2e8f0;
}

.blog-related__title {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.blog-related__list {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .blog-related__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-related__item-title {
  margin: 0.35rem 0;
  font-size: 1rem;
}

.blog-nav {
  margin-top: 1.5rem;
}

.blog-preview-banner {
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: #fff7ed;
  border: 1px solid #fdba74;
  border-radius: 4px;
}

.blog-preview-banner p {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
}

.blog-empty {
  color: #64748b;
}

.announcement-index {
  display: grid;
  gap: 1.5rem;
}

.announcement-card {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #e2e8f0;
}

.announcement-card__badge {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.15rem 0.5rem;
  background: #fef3c7;
  color: #92400e;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}

.announcement-card__title {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.announcement-body {
  line-height: 1.75;
  color: #1e293b;
}

/* トップ埋め込み */
.syn-home__cms {
  margin: 2.5rem 0;
}

.syn-home__cms-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .syn-home__cms-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.syn-home__cms-list {
  list-style: none;
  margin: 0.75rem 0 1rem;
  padding: 0;
}

.syn-home__cms-list li {
  margin: 0 0 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #e2e8f0;
}

.syn-home__cms-list time {
  display: block;
  font-size: 0.8rem;
  color: #64748b;
}

.syn-home__cms-empty {
  color: #64748b;
  font-size: 0.95rem;
}