.blog-main,
.article-page {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  --blog-heading-spacing: -0.015em;
  --blog-border-width: 1px;
  --blog-rule-width: 3px;
  --blog-body-size: 1rem;
  min-width: 0;
  color: var(--c-text);
  font-family: var(--f-body);
}

.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  padding-block: 0.25rem;
  color: var(--c-muted);
  font-size: var(--fs-small);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-inline-end: 0.75rem;
  color: var(--c-faint);
}

.breadcrumbs a {
  color: var(--c-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--c-text);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-list-hero {
  position: relative;
  isolation: isolate;
  padding-block: 3rem;
  padding-inline: max(1.5rem, var(--gutter));
  margin-bottom: 2rem;
}

.blog-list-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0.75rem 12% 1.25rem 30%;
  border-radius: var(--r-panel);
  background: var(--c-accent-a04);
  border: var(--blog-border-width) solid var(--c-accent-a10);
}

.blog-kicker {
  margin: 0 0 1rem;
  color: var(--c-muted);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
}

.blog-list-hero h1 {
  display: block;
  max-width: 18em;
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--weight-normal);
  line-height: 1.3;
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.blog-intro {
  max-width: 36rem;
  margin: 1.25rem 0 0 1.5rem;
  color: var(--c-muted);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.blog-catalogue {
  padding-block: 0.5rem 2rem;
}

.blog-section-title {
  display: block;
  margin: 0 0 1rem;
  font-size: 1.3rem;
  font-weight: var(--weight-medium);
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-filter {
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-btn);
  background: var(--c-panel);
  color: var(--c-muted);
  font: inherit;
  font-size: var(--fs-small);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.blog-filter:hover {
  border-color: var(--c-text);
  color: var(--c-text);
}

.blog-filter.is-active,
.blog-filter[aria-pressed="true"] {
  border-color: var(--c-text);
  background: var(--c-text);
  color: var(--c-panel);
}

.blog-status {
  margin: 1rem 0 1.5rem;
  color: var(--c-muted);
  font-size: var(--fs-small);
  line-height: 1.8;
}

.blog-post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-post-grid .article-card,
#related-posts .article-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
  padding: 1.5rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-top: var(--blog-rule-width) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
  opacity: 1;
  visibility: visible;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.blog-post-grid .article-card:hover,
#related-posts .article-card:hover,
.post-nav-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 0.5rem 0.75rem;
  color: var(--c-muted);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.article-meta time {
  font-family: var(--f-mono);
  font-size: var(--fs-caption);
}

.article-meta .tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--r-chip);
  background: var(--c-accent);
  color: var(--c-on-accent);
  font-size: var(--fs-caption);
}

.article-card h3,
#related-posts .article-card h3 {
  display: block;
  margin: 1.1rem 0 0.75rem;
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: var(--weight-medium);
  line-height: 1.65;
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-card h3 a {
  color: var(--c-text);
  text-decoration: none;
}

.article-card h3 a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-card .article-summary {
  margin: 0 0 1.25rem;
  color: var(--c-muted);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.article-read-link {
  align-self: flex-start;
  margin-top: auto;
  padding-block: 0.25rem;
  color: var(--c-link);
  font-size: var(--fs-small);
  text-decoration: none;
}

.article-read-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-muted);
  line-height: 1.8;
}

.blog-empty a {
  color: var(--c-link);
}

.article-page .breadcrumbs,
.article-page .article-hero,
.reading-wrap,
.article-page > .promo-block,
.article-page > #related-posts,
.article-page > #post-nav,
.article-page .article-column {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--blog-gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
}

.reading-wrap {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--blog-gutter) * 2);
  padding-inline: var(--blog-gutter);
  margin-inline: auto;
  min-width: 0;
}

.article-hero {
  position: relative;
  isolation: isolate;
  margin-top: 0;
  margin-bottom: 1.75rem;
  padding-block: 2rem 1.5rem;
}

.article-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0.5rem;
  right: var(--blog-gutter);
  bottom: 0.5rem;
  left: 26%;
  border: var(--blog-border-width) solid var(--c-accent-a10);
  border-radius: var(--r-panel);
  background: linear-gradient(135deg, var(--c-accent-a10), var(--c-accent-a04));
  box-shadow: var(--shadow-card);
  pointer-events: none;
}

.article-hero h1 {
  display: block;
  position: relative;
  margin: 1rem 0;
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: var(--weight-normal);
  line-height: 1.4;
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-hero .article-meta,
.article-hero .article-deck,
.article-hero .article-summary,
.article-hero > p {
  margin-inline-start: 1.5rem;
}

.article-hero .article-meta {
  justify-content: flex-start;
}

.article-hero .article-meta time,
.article-hero .read-time,
.article-hero .reading-time {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-chip);
  background: var(--c-panel);
  color: var(--c-muted);
  font-size: var(--fs-caption);
}

.article-deck,
.article-hero .article-summary,
.article-hero > p {
  margin-block: 1rem 0;
  color: var(--c-muted);
  font-size: var(--blog-body-size);
  line-height: 1.9;
}

.article-body,
.reading-wrap .prose,
.prose.article-body {
  min-width: 0;
  color: var(--c-text);
  font-size: 1rem;
  line-height: 1.9;
  overflow-wrap: anywhere;
  counter-reset: blog-section;
}

.article-body > :first-child,
.reading-wrap .prose > :first-child {
  margin-top: 0;
}

.article-body h2,
.reading-wrap .prose h2 {
  display: block;
  position: relative;
  margin: 2.25rem 0 1rem;
  font-family: var(--f-display);
  font-size: clamp(1.3rem, 2.3vw, 1.6rem);
  font-weight: var(--weight-medium);
  line-height: 1.6;
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
  counter-increment: blog-section;
  scroll-margin-top: var(--anchor-offset);
}

.article-body h2::before,
.reading-wrap .prose h2::before {
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-inline-end: 0.75rem;
  padding: 0.05rem 0.45rem;
  border-radius: var(--r-chip);
  background: var(--c-accent-a10);
  color: var(--c-accent-dark);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  vertical-align: 0.1em;
}

.article-body h3,
.reading-wrap .prose h3 {
  display: block;
  margin: 1.75rem 0 0.75rem;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: var(--weight-medium);
  line-height: 1.65;
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
}

.article-body p,
.reading-wrap .prose p {
  margin-block: 0 1.15rem;
}

.article-body ul,
.article-body ol,
.reading-wrap .prose ul,
.reading-wrap .prose ol {
  margin-block: 1rem 1.5rem;
  padding-inline-start: 1.5rem;
}

.article-body li + li,
.reading-wrap .prose li + li {
  margin-top: 0.5rem;
}

.article-body a,
.reading-wrap .prose a {
  color: var(--c-link);
  text-underline-offset: 0.2em;
}

.article-body strong {
  font-weight: var(--weight-strong);
}

.article-body img,
.article-body svg,
.reading-wrap .prose img {
  max-width: 100%;
  height: auto;
}

.article-body figure {
  margin: 1.5rem 0;
}

.article-body figcaption {
  margin-top: 0.75rem;
  color: var(--c-muted);
  font-size: var(--fs-small);
}

.article-body .table-scroll,
.reading-wrap .table-scroll {
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-tile);
  overscroll-behavior-inline: contain;
}

.article-body table,
.reading-wrap .prose table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  background: var(--c-panel);
  font-size: var(--fs-small);
  line-height: 1.8;
}

.article-body .table-scroll table,
.reading-wrap .table-scroll table {
  margin: 0;
}

.article-body caption {
  padding: 0.75rem 1rem;
  color: var(--c-muted);
  text-align: start;
}

.article-body th,
.article-body td,
.reading-wrap .prose th,
.reading-wrap .prose td {
  padding: 0.9rem 1rem;
  border-bottom: var(--blog-border-width) solid var(--c-border);
  text-align: start;
  vertical-align: top;
}

.article-body thead th,
.reading-wrap .prose thead th {
  background: var(--c-text);
  color: var(--c-panel);
  font-weight: var(--weight-medium);
}

.article-body tbody th {
  color: var(--c-text);
  font-weight: var(--weight-medium);
}

.article-body tbody tr:nth-child(even),
.reading-wrap .prose tbody tr:nth-child(even) {
  background: var(--c-panel-2);
}

.article-body tbody tr:hover,
.reading-wrap .prose tbody tr:hover {
  background: var(--c-accent-a10);
}

.article-body pre,
.reading-wrap .prose pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 3rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: var(--blog-border-width) solid var(--c-text);
  border-radius: var(--r-tile);
  background: var(--c-text);
  color: var(--c-panel);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  line-height: 1.8;
  white-space: pre;
  overflow-wrap: normal;
  tab-size: 2;
}

.article-body pre::before,
.reading-wrap .prose pre::before {
  content: "CONFIG / 配置示例";
  position: absolute;
  top: 0.75rem;
  left: 1.25rem;
  color: var(--c-white-a80);
  font-size: var(--fs-caption);
}

.article-body code,
.reading-wrap .prose code {
  padding: 0.15em 0.35em;
  border-radius: var(--r-chip);
  background: var(--c-panel-2);
  color: var(--c-text);
  font-family: var(--f-mono);
  font-size: 0.9em;
}

.article-body pre code,
.reading-wrap .prose pre code {
  padding: 0;
  border: 0;
  background: var(--c-transparent);
  color: inherit;
  white-space: inherit;
}

.article-body blockquote,
.reading-wrap .prose blockquote,
.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.25rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-inline-start: var(--blog-rule-width) solid var(--c-accent);
  border-radius: var(--r-tile);
  background: var(--c-accent-a04);
  color: var(--c-text);
  font-style: normal;
}

.article-body blockquote::before,
.reading-wrap .prose blockquote::before,
.callout::before {
  content: "i";
  position: absolute;
  top: 1.35rem;
  left: 1rem;
  width: 1.35rem;
  height: 1.35rem;
  border: var(--blog-border-width) solid currentColor;
  border-radius: var(--r-circle);
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: var(--fs-caption);
  line-height: 1.35rem;
  text-align: center;
}

.callout--warning,
.callout.warning {
  border-inline-start-color: var(--c-warn);
  background: color-mix(in srgb, var(--c-warn) 10%, var(--c-panel));
}

.callout--warning::before,
.callout.warning::before {
  content: "!";
  color: var(--c-text);
}

.callout--success,
.callout.success {
  border-inline-start-color: var(--c-success);
  background: color-mix(in srgb, var(--c-success) 8%, var(--c-panel));
}

.callout--success::before,
.callout.success::before {
  color: var(--c-success);
}

.article-body blockquote p:last-child,
.callout p:last-child,
.verdict p:last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-top: var(--blog-rule-width) solid var(--c-accent);
  border-radius: var(--r-tile);
  background: var(--c-accent-a04);
}

.stat-card:nth-child(even) {
  border-top-color: var(--c-text);
  background: var(--c-panel-2);
}

.stat-num {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--c-accent-dark);
  font-family: var(--f-mono);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: var(--weight-medium);
  line-height: 1.4;
}

.stat-card:nth-child(even) .stat-num {
  color: var(--c-text);
}

.stat-label {
  display: block;
  color: var(--c-muted);
  font-size: var(--fs-small);
  line-height: 1.8;
}

.article-body .check-list,
.reading-wrap .prose .check-list,
.check-list {
  display: grid;
  gap: 0.65rem;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li,
.article-body .check-list li + li {
  margin: 0;
  padding: 0.9rem 1rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-tile);
  background: var(--c-panel);
}

.verdict {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-inline-start: var(--blog-rule-width) solid var(--c-accent);
  border-radius: var(--r-tile);
  background: var(--c-accent-a10);
  color: var(--c-text);
  line-height: 1.9;
}

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

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 2.5rem;
  padding-block: 2rem;
  padding-inline: max(1.5rem, var(--gutter));
  border: var(--blog-border-width) solid var(--c-accent-dark);
  border-radius: var(--r-panel);
  background: linear-gradient(125deg, var(--c-accent), var(--c-accent-dark));
  color: var(--c-on-accent);
  box-shadow: var(--shadow-panel);
}

.promo-block h2 {
  display: block;
  margin: 0 0 0.5rem;
  color: var(--c-on-accent);
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: var(--weight-normal);
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
}

.promo-block h2::before {
  content: none;
}

.promo-block p {
  margin: 0;
  color: var(--c-on-accent);
  font-size: 1rem;
  line-height: 1.8;
}

.promo-actions {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.promo-block .btn--solid,
.promo-block .btn-primary {
  border-color: var(--c-panel);
  background: var(--c-panel);
  color: var(--c-text);
}

.promo-block .btn--solid:hover,
.promo-block .btn-primary:hover {
  background: var(--c-panel-2);
  border-color: var(--c-panel-2);
}

.promo-block .btn--line,
.promo-block .btn-secondary {
  border-color: var(--c-white-a80);
  background: var(--c-transparent);
  color: var(--c-on-accent);
}

.promo-block .btn--line:hover,
.promo-block .btn-secondary:hover {
  background: var(--c-white-a12);
}

.blog-list-promo {
  width: calc(100% - var(--gutter) * 2);
  max-width: calc(var(--wrap-width) - var(--gutter) * 2);
  margin-inline: auto;
}

#related-posts,
#post-nav {
  min-width: 0;
  margin-block: 0;
}

#related-posts:empty,
#post-nav:empty {
  display: none;
}

#related-posts {
  padding-block: 1.5rem;
}

#related-posts > h2 {
  display: block;
  margin: 0 0 1.25rem;
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: var(--weight-medium);
  line-height: 1.6;
  letter-spacing: var(--blog-heading-spacing);
  text-wrap: pretty;
}

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

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-block: 1.5rem 2rem;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
  padding: 1.25rem;
  border: var(--blog-border-width) solid var(--c-border);
  border-top: var(--blog-rule-width) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.post-nav-card--next {
  grid-column: 2;
}

.post-nav-caption,
.post-nav-card time {
  color: var(--c-muted);
  font-size: var(--fs-small);
}

.post-nav-card time {
  margin-top: auto;
  font-family: var(--f-mono);
  font-size: var(--fs-caption);
}

.post-nav-title {
  color: var(--c-text);
  font-size: 1rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.blog-filter:focus-visible,
.article-card a:focus-visible,
.post-nav-card:focus-visible,
.breadcrumbs a:focus-visible,
.table-scroll:focus-visible {
  outline: var(--blog-rule-width) solid var(--c-link);
  outline-offset: 4px;
}

@media (max-width: 1000px) {
  .blog-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 860px) {
  .article-body table,
  .reading-wrap .prose table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .article-body th,
  .article-body td,
  .reading-wrap .prose th,
  .reading-wrap .prose td {
    min-width: 8rem;
  }

  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .no-break {
    white-space: normal;
  }

  .blog-list-hero {
    padding-block: 2rem;
  }

  .blog-list-hero::before {
    inset-inline: 24% 1.5rem;
  }

  .blog-intro,
  .article-hero .article-meta,
  .article-hero .article-deck,
  .article-hero .article-summary,
  .article-hero > p {
    margin-inline-start: 0;
  }

  .blog-post-grid,
  .stat-grid,
  #post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav-card--next {
    grid-column: auto;
  }

  .article-hero {
    padding-block: 1.5rem;
    margin-bottom: 1.25rem;
  }

  .article-hero::before {
    left: 20%;
  }

  .blog-post-grid .article-card,
  #related-posts .article-card {
    padding: 1.25rem;
  }

  .promo-actions {
    width: 100%;
  }

  .promo-actions .btn {
    flex: 1 1 8rem;
    text-align: center;
  }

  .article-body blockquote,
  .reading-wrap .prose blockquote,
  .callout {
    padding-inline-end: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter,
  .blog-post-grid .article-card,
  #related-posts .article-card,
  .post-nav-card {
    transition: none;
    animation: none;
  }

  .blog-post-grid .article-card:hover,
  #related-posts .article-card:hover,
  .post-nav-card:hover {
    transform: none;
  }
}