.blog-list-hero {
  padding-block: clamp(4rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--color-border-soft);
}

.blog-list-hero h1 {
  max-width: 14ch;
  margin-block: 0.65rem 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-hero-lead {
  max-width: 42rem;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-filter-shell {
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.filter-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: 0;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.blog-filter {
  min-height: 2.6rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.blog-filter:hover {
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.blog-filter:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.blog-filter.is-active {
  border-color: var(--color-panel-deep);
  background: var(--color-panel-deep);
  color: var(--color-canvas);
}

.blog-list-section {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.blog-list-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.blog-list-heading h2 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-result-count {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.article-card {
  display: flex;
  min-width: 0;
  min-height: 19rem;
  flex-direction: column;
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  transition:
    border-color var(--transition-calm),
    transform var(--transition-calm);
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.article-meta,
.post-hero-meta,
.related-card-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.65rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
}

.article-card-title {
  margin-block: 1.1rem 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-card-title a {
  color: var(--color-text);
  text-decoration: none;
}

.article-card-title a:hover {
  color: var(--color-accent-dark);
}

.article-summary {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.article-more {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 1.4rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.article-more:hover {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.blog-empty,
.blog-noscript {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-muted);
  text-align: center;
}

.blog-breadcrumb {
  width: min(100%, var(--reading-width));
  margin-inline: auto;
  margin-top: 1.5rem;
  padding-top: 0.25rem;
  padding-inline: var(--gutter);
}

.blog-breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-muted);
  font-size: 0.86rem;
}

.blog-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.blog-breadcrumb li:not(:last-child)::after {
  content: "／";
  color: var(--color-border);
}

.blog-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}

.blog-breadcrumb a:hover {
  color: var(--color-accent-dark);
}

.post-hero,
.article-body,
.post-content,
.prose[data-article],
.article-connections {
  width: min(100%, 48rem);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.post-hero {
  padding-top: clamp(2.25rem, 6vw, 4.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.25rem);
}

.post-hero h1 {
  margin-block: 1rem 1.15rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.post-hero-summary {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-body,
.post-content,
.prose[data-article] {
  padding-top: 0;
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
}

.article-body > :first-child,
.post-content > :first-child,
.prose[data-article] > :first-child {
  margin-top: 0;
}

.article-body h2,
.post-content h2,
.prose[data-article] h2 {
  margin-block: 2.6rem 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-body h3,
.post-content h3,
.prose[data-article] h3 {
  margin-block: 2rem 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.3rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-body p,
.post-content p,
.prose[data-article] p {
  margin-block: 0 1.25rem;
}

.article-body ul,
.article-body ol,
.post-content ul,
.post-content ol,
.prose[data-article] ul,
.prose[data-article] ol {
  margin-block: 0 1.5rem;
  padding-inline-start: 1.4rem;
}

.article-body li + li,
.post-content li + li,
.prose[data-article] li + li {
  margin-top: 0.55rem;
}

.article-body a,
.post-content a,
.prose[data-article] a {
  color: var(--color-accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.article-body blockquote,
.post-content blockquote,
.prose[data-article] blockquote {
  margin: 1.75rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-panel);
  color: var(--color-muted);
}

.article-body pre,
.post-content pre,
.prose[data-article] pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 1.75rem 0;
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel-deep);
  color: var(--color-canvas);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
}

.article-body code,
.post-content code,
.prose[data-article] code {
  font-family: var(--font-mono);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-block: 1.75rem;
}

.stat-card {
  padding: 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.stat-num {
  display: block;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.25;
}

.stat-label {
  display: block;
  margin-top: 0.45rem;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.check-list {
  margin-block: 1.5rem;
  padding: 1.25rem 1.25rem 1.25rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-green-panel);
}

.check-list li + li {
  margin-top: 0.7rem;
}

.verdict {
  margin-block: 1.75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-border-soft);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel);
}

.verdict strong {
  color: var(--color-accent-dark);
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 3rem;
  padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid var(--color-panel-deep);
  border-radius: var(--radius-md);
  background: var(--color-panel-deep);
  color: var(--color-canvas);
}

.promo-brand {
  margin-bottom: 0.45rem;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.promo-copy {
  max-width: 32rem;
  margin: 0;
  color: var(--color-canvas);
}

.article-connections {
  padding-bottom: clamp(4rem, 8vw, 7rem);
}

#related-posts {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-heading {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.related-card {
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.related-card-title {
  margin-block: 0.8rem 0.6rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.related-card-title a {
  color: var(--color-text);
  text-decoration: none;
}

.related-card-title a:hover {
  color: var(--color-accent-dark);
}

.related-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.5rem;
}

#post-nav.has-single-link .post-nav-next {
  grid-column: 2;
}

.post-nav-card {
  display: flex;
  min-height: 7rem;
  flex-direction: column;
  justify-content: center;
  padding: 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.post-nav-next {
  text-align: right;
}

.post-nav-label {
  margin-bottom: 0.55rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.post-nav-card strong {
  font-size: 0.96rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.blog-modal-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: color-mix(in srgb, var(--color-panel-deep) 72%, transparent);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-calm),
    visibility var(--transition-calm);
}

.blog-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.blog-modal-overlay.is-closing {
  opacity: 0;
  visibility: visible;
}

.blog-modal {
  position: relative;
  width: min(100%, 31rem);
  padding: clamp(1.6rem, 5vw, 2.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  color: var(--color-text);
  transform: translateY(1rem) scale(0.98);
  transition: transform var(--transition-calm);
}

.blog-modal-overlay.is-open .blog-modal {
  transform: translateY(0) scale(1);
}

.blog-modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  display: grid;
  width: 2.3rem;
  height: 2.3rem;
  place-items: center;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.blog-modal-close:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.blog-modal-close:focus-visible,
.blog-modal-action:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.blog-modal-brand {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.blog-modal h2 {
  max-width: 12ch;
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 5vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-modal p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.blog-modal-action {
  margin-top: 1.4rem;
}

@media (max-width: 760px) {
  .article-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-card {
    min-height: auto;
  }

  .article-more {
    margin-top: 0;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .promo-block {
    align-items: stretch;
    flex-direction: column;
  }

  .promo-block .button {
    width: 100%;
  }

  #post-nav {
    grid-template-columns: 1fr;
  }

  #post-nav.has-single-link .post-nav-next {
    grid-column: 1;
  }

  .post-nav-next {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .blog-list-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
  }

  .blog-filters {
    flex-wrap: nowrap;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    padding-bottom: 0.5rem;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .blog-filter {
    flex: 0 0 auto;
  }

  .post-hero h1 {
    font-size: clamp(2rem, 10vw, 2.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .blog-filter,
  .post-nav-card,
  .blog-modal-overlay,
  .blog-modal {
    transition: none;
  }

  .article-card:hover,
  .blog-filter:hover,
  .post-nav-card:hover {
    transform: none;
  }
}