.page-hero { max-width: 900px; padding-bottom: 60px; }
.page-lead { max-width: 680px; }
.register-banner { max-width: 900px; margin: 0 auto; padding: 0 40px; }
.register-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px;
  background: rgba(140, 106, 50, 0.03);
  border: 1px solid var(--border);
  border-radius: 2px;
  margin-bottom: 48px;
}
.register-banner-text { font-size: 0.85rem; color: var(--text-body); line-height: 1.8; }
.register-banner-button {
  flex-shrink: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  border: none;
  padding: 10px 24px;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.register-banner-button:hover { opacity: 0.88; transform: translateY(-1px); }

.filter-bar { max-width: 900px; margin: 0 auto; padding: 0 40px 32px; }
.filter-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tag {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-light);
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-tag:hover,
.filter-tag.active {
  color: var(--main);
  border-color: var(--main);
  background: var(--main-light);
}
.filter-tag.active { font-weight: 500; }

.article-list { max-width: 900px; margin: 0 auto; padding: 0 40px; }
.article-card {
  display: block;
  text-decoration: none;
  padding: 36px 0;
  border-top: 1px solid var(--border);
  transition: background 0.2s ease;
}
.article-card:last-child { border-bottom: 1px solid var(--border); }
.article-card:hover .article-card-title { opacity: 0.7; }
.article-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.article-card-date {
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-light);
}
.article-card-category {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--main);
  background: var(--main-light);
  padding: 2px 10px;
  border-radius: 2px;
}
.article-card-title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--main);
  margin-bottom: 12px;
  transition: opacity 0.2s ease;
}
.article-card-summary {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--text-body);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-read { display: inline-block; margin-top: 12px; font-size: 0.78rem; color: var(--text-light); letter-spacing: 0.06em; transition: color 0.2s ease; }
.article-card:hover .article-card-read { color: var(--main); }

.load-more { max-width: 900px; margin: 0 auto; padding: 48px 40px; text-align: center; }
.load-more-button {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--main);
  background: transparent;
  border: 1px solid var(--border);
  padding: 14px 48px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.load-more-button:hover { background: var(--main-light); border-color: var(--main); }
.cta-text { margin-bottom: 48px; text-align: center; }

@media (max-width: 768px) {
  .register-banner,
  .filter-bar,
  .article-list,
  .load-more { padding-left: 24px; padding-right: 24px; }
  .register-banner-inner { flex-direction: column; text-align: center; padding: 20px 24px; }
  .page-hero { padding-bottom: 48px; }
  .article-card { padding: 28px 0; }
  .article-card-title { font-size: 0.95rem; }
}