/* ===== Blog index ===== */
.blog-section {
  padding: 80px 28px 100px;
  background: var(--bg-0);
}
.blog-section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

/* Featured */
.blog-featured {
  margin-bottom: 80px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  transition: border-color 0.3s, transform 0.3s;
}
.blog-featured:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.blog-featured-link {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  align-items: stretch;
}
.blog-featured-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-2);
}
.blog-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(200, 168, 104, 0.1), transparent 60%),
    linear-gradient(135deg, var(--bg-2), var(--bg-0));
  position: relative;
}
.blog-image-placeholder::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(200, 168, 104, 0.1);
}
.image-placeholder-mark {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 56px;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.55;
}
.image-placeholder-mark.small { font-size: 36px; }
.image-placeholder-note {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}
.blog-image-placeholder.featured .image-placeholder-mark { font-size: 72px; }
.blog-image-placeholder.hero { aspect-ratio: 21/9; }
.blog-image-placeholder.hero .image-placeholder-mark { font-size: 90px; }

.blog-featured-body {
  padding: 48px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.blog-featured-tag {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--bg-0);
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 100px;
}
.blog-featured-tag i { font-style: italic; }
.blog-cat {
  font-family: var(--serif-jp);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  border: 1px solid rgba(200, 168, 104, 0.4);
  padding: 3px 10px;
}
.blog-featured-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.55;
  letter-spacing: 0.05em;
  color: var(--ink-0);
  margin: 0 0 20px;
  text-wrap: pretty;
  transition: color 0.3s;
}
.blog-featured:hover .blog-featured-title { color: var(--accent); }

.blog-featured-lead {
  font-family: var(--serif-jp);
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  margin: 0 0 32px;
  text-wrap: pretty;
}
.blog-featured-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.blog-author, .blog-date, .blog-readtime {
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}
.blog-dot { color: var(--ink-3); }
.blog-arrow {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  transition: gap 0.3s;
}
.blog-arrow svg { width: 14px; height: 14px; }
.blog-featured:hover .blog-arrow { gap: 14px; }

/* Filter */
.blog-filter {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.blog-filter-label {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  flex-shrink: 0;
}
.blog-filter-label i { font-style: italic; }
.blog-filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.blog-filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  transition: all 0.3s;
}
.blog-filter-tab:hover { border-color: var(--accent); color: var(--ink-0); }
.blog-filter-tab.active {
  border-color: var(--accent);
  background: rgba(200, 168, 104, 0.08);
  color: var(--ink-0);
}
.blog-filter-count {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 10px;
  color: var(--ink-3);
}
.blog-filter-tab.active .blog-filter-count { color: var(--accent); }

/* Article grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}
.blog-card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  transition: border-color 0.3s, transform 0.3s;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}
.blog-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.blog-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-2);
}
.blog-card-body {
  padding: 24px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.blog-card-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: 0.05em;
  color: var(--ink-0);
  margin: 0 0 12px;
  text-wrap: pretty;
  transition: color 0.3s;
}
.blog-card:hover .blog-card-title { color: var(--accent); }
.blog-card-lead {
  font-family: var(--serif-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  margin: 0 0 20px;
  flex: 1;
  text-wrap: pretty;
}
.blog-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.blog-arrow-small {
  font-family: var(--serif-en);
  color: var(--accent);
  transition: transform 0.3s;
}
.blog-card:hover .blog-arrow-small { transform: translateX(4px); }

.blog-loadmore {
  display: flex;
  justify-content: center;
  margin-bottom: 100px;
}

/* ===== Article page ===== */
.article-header {
  padding: 60px 28px 48px;
  background: var(--bg-0);
}
.article-header-inner {
  max-width: 760px;
  margin: 0 auto;
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-bottom: 32px;
  transition: color 0.3s, gap 0.3s;
}
.article-back:hover { color: var(--accent); gap: 12px; }
.article-back svg { width: 14px; height: 14px; }

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.article-cat {
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
  border: 1px solid rgba(200, 168, 104, 0.4);
  padding: 3px 12px;
}
.article-cat-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}
.article-cat-en i { font-style: italic; }

.article-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.55;
  letter-spacing: 0.05em;
  color: var(--ink-0);
  margin: 0 0 28px;
  text-wrap: balance;
}
.article-lead {
  font-family: var(--serif-jp);
  font-size: 16px;
  line-height: 2;
  color: var(--ink-1);
  letter-spacing: 0.05em;
  margin: 0 0 40px;
  padding-left: 20px;
  border-left: 2px solid var(--accent);
  text-wrap: pretty;
}
.article-meta-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.article-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.article-author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(200, 168, 104, 0.15);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif-jp);
  font-size: 18px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.article-author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.article-author-name {
  font-family: var(--serif-jp);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-0);
  letter-spacing: 0.06em;
}
.article-author-role {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.article-meta-stats {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-date, .article-readtime {
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

.article-hero {
  padding: 0 28px 48px;
  background: var(--bg-0);
}
.article-hero-inner {
  max-width: 1080px;
  margin: 0 auto;
}

/* Article body layout */
.article-layout {
  padding: 60px 28px 80px;
  background: var(--bg-0);
}
.article-layout-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 80px;
  align-items: start;
}

.article-toc-sticky {
  position: sticky;
  top: 100px;
  padding-top: 12px;
}
.article-toc-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.article-toc-list li {
  border-top: 1px solid var(--line);
}
.article-toc-list li:last-child { border-bottom: 1px solid var(--line); }
.article-toc-list a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: baseline;
  padding: 12px 0;
  transition: padding-left 0.3s;
}
.article-toc-list a:hover { padding-left: 6px; }
.toc-no {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}
.toc-no i { font-style: italic; }
.toc-title {
  font-family: var(--serif-jp);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  transition: color 0.3s;
}
.article-toc-list a:hover .toc-title { color: var(--accent); }

/* Article body */
.article-body {
  max-width: 720px;
  font-family: var(--serif-jp);
}
.article-body section { margin-bottom: 56px; }

.article-h2 {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 28px);
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--ink-0);
  margin: 0 0 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: baseline;
  scroll-margin-top: 100px;
}
.article-h2-no {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--accent);
}
.article-h2-no i { font-style: italic; }

.article-body p {
  font-size: 15px;
  line-height: 2.2;
  color: var(--ink-1);
  letter-spacing: 0.05em;
  margin: 0 0 24px;
  text-wrap: pretty;
}
.article-body p em {
  font-style: normal;
  background: linear-gradient(to top, rgba(200, 168, 104, 0.18) 35%, transparent 35%);
  padding: 0 4px;
  color: var(--ink-0);
}

.article-callout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  padding: 32px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  margin: 32px 0;
}
.callout-side .callout-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.callout-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.callout-list li {
  font-family: var(--serif-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-1);
  letter-spacing: 0.04em;
  padding-left: 14px;
  position: relative;
}
.callout-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
}
.callout-divider { width: 1px; background: var(--line); }

.article-quote {
  margin: 40px 0;
  padding: 24px 32px;
  border-left: 3px solid var(--accent);
  background: var(--bg-1);
}
.article-quote p {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.85;
  color: var(--ink-0);
  letter-spacing: 0.06em;
  margin: 0;
}

.article-list-ordered {
  margin: 0 0 24px;
  padding-left: 0;
  list-style: none;
  counter-reset: ordlist;
}
.article-list-ordered li {
  counter-increment: ordlist;
  font-family: var(--serif-jp);
  font-size: 14px;
  line-height: 2;
  color: var(--ink-1);
  letter-spacing: 0.04em;
  padding: 18px 0 18px 48px;
  border-top: 1px solid var(--line);
  position: relative;
}
.article-list-ordered li::before {
  content: counter(ordlist, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.article-list-ordered li:last-child { border-bottom: 1px solid var(--line); }
.article-list-ordered strong {
  font-weight: 500;
  color: var(--ink-0);
  font-size: 15px;
}

.article-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.article-list li {
  font-family: var(--serif-jp);
  font-size: 14px;
  line-height: 2.1;
  color: var(--ink-1);
  letter-spacing: 0.04em;
  padding-left: 18px;
  position: relative;
}
.article-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.article-signature {
  margin-top: 48px !important;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  text-align: right;
  color: var(--ink-2) !important;
  font-size: 13px !important;
}
.article-signature em {
  background: none !important;
  font-weight: 500;
  font-size: 16px;
  color: var(--ink-0) !important;
  letter-spacing: 0.1em;
  padding: 0 !important;
}

.article-cta {
  margin-top: 80px;
  padding: 56px 40px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  text-align: center;
}
.article-cta-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.65;
  letter-spacing: 0.05em;
  color: var(--ink-0);
  margin: 0 0 12px;
  text-wrap: pretty;
}
.article-cta-title em {
  font-style: normal;
  color: var(--accent);
}
.article-cta-lead {
  font-family: var(--serif-jp);
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  margin: 0 0 28px;
}

/* Related */
.article-related {
  padding: 100px 28px;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
}
.article-related-inner {
  max-width: 1180px;
  margin: 0 auto;
}
.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-related-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 24px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  transition: border-color 0.3s, transform 0.3s;
}
.article-related-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.article-related-title {
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: 0.05em;
  color: var(--ink-0);
  margin: 0;
  text-wrap: pretty;
  transition: color 0.3s;
}
.article-related-card:hover .article-related-title { color: var(--accent); }
.article-related-card .blog-cat { align-self: flex-start; }

@media (max-width: 900px) {
  .blog-section { padding: 48px 20px 80px; }
  .blog-featured-link { grid-template-columns: 1fr; }
  .blog-featured-body { padding: 32px 24px; }
  .blog-grid { grid-template-columns: 1fr; gap: 24px; }

  .article-header { padding: 40px 20px 32px; }
  .article-meta-bottom { flex-direction: column; align-items: flex-start; }
  .article-hero { padding: 0 20px 32px; }
  .article-layout { padding: 40px 20px 56px; }
  .article-layout-inner { grid-template-columns: 1fr; gap: 32px; }
  .article-toc-sticky { position: static; }
  .article-callout {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }
  .callout-divider { width: 100%; height: 1px; }
  .article-cta { padding: 40px 24px; }
  .article-related { padding: 64px 20px; }
  .article-related-grid { grid-template-columns: 1fr; }
}