/* ============================================
   News Article shared styles
   ============================================ */

/* ── Article hero (top of each article) ─────── */
.article-hero {
  padding: 140px 0 64px;
}
.breadcrumb {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-hint);
  letter-spacing: 0.04em;
  max-width: 920px;
  margin: 0 auto 32px;
}
.breadcrumb a {
  color: var(--text-hint);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--text-sub); }
.breadcrumb .sep { margin: 0 8px; color: var(--text-hint); }

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 920px;
  margin: 0 auto 24px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.article-date { color: var(--text-sub); }
.article-category-badge {
  padding: 4px 12px;
  border: 0.5px solid var(--accent-dim);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
}
.article-title {
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: var(--text-main);
  max-width: 920px;
  margin: 0 auto 24px;
}
.article-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-sub);
  max-width: 920px;
  margin: 0 auto;
}

/* ── Article eyecatch (large hero image) ────── */
.article-eyecatch {
  padding: 0 0 64px;
}
.article-eyecatch-img {
  width: 100%;
  max-width: 920px;
  height: auto;
  display: block;
  margin: 0 auto;
  border: 0.5px solid var(--accent-dim);
}

/* ── Article body (rich content area) ───────── */
.article-body {
  max-width: 920px;
  margin: 0 auto;
  padding-bottom: 80px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--text-body);
}
.article-body > * + * { margin-top: 24px; }
.article-body h2 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-main);
  margin-top: 56px;
  padding-top: 24px;
  padding-bottom: 8px;
  border-top: 0.5px solid var(--accent-dim);
}
.article-body h3 {
  font-size: 19px;
  font-weight: 500;
  color: var(--text-main);
  margin-top: 40px;
  margin-bottom: 12px;
}
.article-body p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text-body);
}
.article-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 0.5px solid var(--accent-dim);
  transition: opacity 0.2s;
}
.article-body a:hover { opacity: 0.75; }
.article-body strong { color: var(--text-main); font-weight: 500; }
.article-body em { font-style: italic; }
.article-body ul,
.article-body ol { padding-left: 24px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 8px 0 8px 24px;
  color: var(--text-sub);
  font-style: italic;
  margin-left: 0;
}
.article-body img,
.article-body video {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 36px auto;
  border: 0.5px solid var(--accent-dim);
}
.article-body figure { margin: 36px 0; }
.article-body figure img { margin: 0 auto; }
.article-body figcaption {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-hint);
  text-align: center;
  margin-top: 12px;
  letter-spacing: 0.02em;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 36px 0;
  font-size: 14px;
}
.article-body th,
.article-body td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 0.5px solid var(--accent-dim);
  vertical-align: top;
}
.article-body th {
  color: var(--accent);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(137, 111, 61, 0.06);
  border-bottom: 0.5px solid var(--accent);
}
.article-body td { color: var(--text-body); }
.article-body code {
  font-family: 'Inter', monospace;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border: 0.5px solid var(--accent-dim);
  color: var(--accent);
}
.article-body pre {
  background: rgba(255, 255, 255, 0.04);
  border: 0.5px solid var(--accent-dim);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
}
.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text-body);
  font-size: 13px;
}
.article-body hr {
  border: none;
  border-top: 0.5px solid var(--accent-dim);
  margin: 56px 0;
}
.article-body .two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 36px 0;
}
.article-body .cta-button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 14px 32px;
  letter-spacing: 0.04em;
  border-bottom: none;
  transition: opacity 0.2s;
}
.article-body .cta-button:hover { opacity: 0.85; }

/* ── External link card (blog card) ─────────── */
.article-body a.link-card {
  display: flex;
  border: 0.5px solid var(--accent-dim);
  text-decoration: none;
  overflow: hidden;
  transition: border-color 0.2s, background 0.2s;
}
.article-body a.link-card:hover {
  border-color: var(--accent);
  background: rgba(137, 111, 61, 0.04);
  opacity: 1;
}
.link-card-thumb {
  flex: 0 0 240px;
}
.link-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  margin: 0;
  border: none;
}
.link-card-body {
  flex: 1;
  min-width: 0;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}
.link-card-title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.link-card-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.link-card-domain {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--text-hint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: auto;
}

/* ── Article footer (share + CTA + back) ────── */
.article-footer {
  border-top: 0.5px solid var(--accent-dim);
  padding-top: 48px;
  padding-bottom: 96px;
  max-width: 920px;
  margin: 0 auto;
}
.share-block {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 56px;
}
.share-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--text-sub);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.share-icons {
  display: flex;
  gap: 12px;
}
.share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 0.5px solid var(--accent-dim);
  color: var(--text-sub);
  text-decoration: none;
  transition: all 0.2s;
}
.share-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.share-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}
.article-cta {
  background: rgba(137, 111, 61, 0.06);
  border: 0.5px solid var(--accent-dim);
  padding: 36px 32px;
  text-align: center;
  margin-bottom: 32px;
}
.article-cta-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 8px;
}
.article-cta-text {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  margin-bottom: 20px;
}
.article-cta .cta-button {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 500;
  padding: 13px 32px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: opacity 0.2s;
}
.article-cta .cta-button:hover { opacity: 0.85; }
.article-back {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.article-back:hover { opacity: 0.75; }

/* ============================================
   News list page
   ============================================ */
.news-list-section {
  padding: 140px 0 120px;
}
.category-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.category-filter button {
  background: transparent;
  border: 0.5px solid var(--accent-dim);
  color: var(--text-sub);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  padding: 8px 18px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.2s;
}
.category-filter button:hover {
  color: var(--text-main);
  border-color: var(--accent);
}
.category-filter button.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}
.news-list {
  display: flex;
  flex-direction: column;
}
.news-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 0.5px solid var(--accent-dim);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}
.news-card:hover {
  background: rgba(137, 111, 61, 0.04);
}
.news-card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.news-card-date {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 0.04em;
}
.news-card-category {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.news-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.news-card-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: -0.01em;
  line-height: 1.5;
  transition: color 0.2s;
}
.news-card:hover .news-card-title { color: var(--accent); }
.news-card-summary {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
}
.news-empty {
  text-align: center;
  color: var(--text-sub);
  padding: 60px 0;
  font-size: 14px;
}

/* ============================================
   News section on top page
   ============================================ */
.news-section .news-list { margin-bottom: 40px; }
.news-section-link { text-align: right; }
.news-section-link a {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.2s;
}
.news-section-link a:hover { opacity: 0.75; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .article-hero { padding: 100px 0 40px; }
  .article-eyecatch { padding: 0 0 32px; }
  .article-title { font-size: 24px; }
  .article-lead { font-size: 14px; }
  .article-body { font-size: 15px; padding-bottom: 56px; }
  .article-body h2 { font-size: 19px; margin-top: 40px; }
  .article-body h3 { font-size: 16px; margin-top: 28px; }
  .article-body .two-column { grid-template-columns: 1fr; }
  .article-body a.link-card { flex-direction: column; }
  .link-card-thumb { flex: none; height: 160px; }
  .link-card-body { padding: 16px 20px; }
  .article-footer { padding-top: 32px; padding-bottom: 60px; }
  .article-cta { padding: 28px 20px; }
  .news-list-section { padding: 100px 0 80px; }
  .news-card {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px 0;
  }
  .news-card-meta {
    flex-direction: row;
    align-items: center;
    gap: 16px;
  }
  .news-card-title { font-size: 16px; }
  .news-card-summary { font-size: 13px; }
  .news-section .news-card-summary { display: none; }
}