/* Notion Design System — Blog Styles (neurowellness) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

:root {
  --blog-bg: var(--bg-primary, #0a0e1a);
  --blog-surface: var(--bg-card, #1f2937);
  --blog-surface-hover: var(--bg-card-hover, #374151);
  --blog-border: rgba(255, 255, 255, 0.10);
  --blog-border-strong: rgba(96, 165, 250, 0.35);
  /* Explicit values prevent low-contrast light-site variables from leaking into dark article cards. */
  --blog-text: #ffffff;
  --blog-muted: #e5e7eb;
  --blog-subtle: #cbd5e1;
  --blog-accent: var(--color-accent-light, #60a5fa);
  --blog-accent-strong: var(--color-accent, #3b82f6);
  --blog-radius: 8px;
  --blog-shadow: 0 12px 30px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.18);
  --blog-font: 'Inter', 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.blog-page {
  font-family: var(--blog-font);
  background: var(--blog-bg);
  color: var(--blog-text);
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 10000;
  padding: 10px 14px;
  border-radius: var(--blog-radius);
  background: var(--blog-accent);
  color: #06111f;
  font-weight: 700;
  transition: top 0.2s ease;
}

.skip-link:focus { top: 12px; }

.blog-main {
  min-height: calc(100vh - var(--header-height, 70px));
  padding: calc(var(--header-height, 70px) + 3rem) 0 5rem;
  background:
    radial-gradient(circle at 20% 0%, rgba(59, 130, 246, 0.18), transparent 36rem),
    radial-gradient(circle at 90% 10%, rgba(6, 182, 212, 0.14), transparent 28rem),
    var(--blog-bg);
}

.blog-hero-section {
  max-width: var(--max-width, 1280px);
  margin: 0 auto 2rem;
  padding: 0 5%;
}

.blog-hero-inner {
  border: 1px solid var(--blog-border);
  border-radius: 16px;
  background: rgba(31, 41, 55, 0.72);
  box-shadow: var(--blog-shadow);
  padding: clamp(2rem, 4vw, 3.5rem);
  backdrop-filter: blur(14px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 0.75rem;
  color: var(--blog-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.blog-hero-inner h1,
.article-title {
  margin: 0 0 1rem;
  color: var(--blog-text);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.blog-hero-inner p {
  max-width: 760px;
  margin: 0;
  color: var(--blog-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 2rem;
  align-items: start;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 0 5%;
}

.blog-list,
.blog-article {
  min-width: 0;
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.blog-card {
  overflow: hidden;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  background: rgba(31, 41, 55, 0.88);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  border-color: var(--blog-border-strong);
  background: var(--blog-surface-hover);
  box-shadow: var(--blog-shadow);
}

.blog-card a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.28), rgba(6, 182, 212, 0.16));
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.28s ease;
}

.blog-card:hover .card-thumb img { transform: scale(1.04); }

.card-body { padding: 1.35rem; }

.card-body time,
.article-meta {
  color: var(--blog-subtle);
  font-size: 0.9rem;
  font-weight: 500;
}

.card-body h2,
.card-body h3 {
  margin: 0.7rem 0 0.65rem;
  color: var(--blog-text);
  font-size: 1.25rem;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

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

.empty-state {
  grid-column: 1 / -1;
  border-style: dashed;
}

.pill-badge {
  display: inline-flex;
  border: 1px solid rgba(96, 165, 250, 0.28);
  border-radius: 9999px;
  padding: 0.25rem 0.7rem;
  background: rgba(59, 130, 246, 0.12);
  color: var(--blog-accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.blog-article {
  border: 1px solid var(--blog-border);
  border-radius: 16px;
  background: rgba(31, 41, 55, 0.82);
  box-shadow: var(--blog-shadow);
  padding: clamp(1.5rem, 3vw, 3rem);
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--blog-border);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.toc-container,
.table-of-contents {
  margin: 0 0 2rem;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  background: rgba(17, 24, 39, 0.68);
}

.article-content {
  color: var(--blog-muted);
  font-size: 1.02rem;
  line-height: 1.9;
}

.article-content > *:first-child { margin-top: 0; }
.article-content p { margin: 0 0 1.25rem; }
.article-content a { color: var(--blog-accent); text-underline-offset: 3px; }
.article-content strong { color: var(--blog-text); }
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--blog-text);
  line-height: 1.35;
  letter-spacing: -0.025em;
}
.article-content h2 {
  margin: 2.6rem 0 1rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--blog-accent);
  font-size: 1.75rem;
}
.article-content h3 { margin: 2rem 0 0.85rem; font-size: 1.35rem; }
.article-content h4 { margin: 1.5rem 0 0.7rem; font-size: 1.12rem; }
.article-content ul,
.article-content ol { margin: 1.25rem 0 1.25rem 1.4rem; }
.article-content li { margin: 0.45rem 0; }
.article-content img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
}
.article-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--blog-accent);
  border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
  background: rgba(17, 24, 39, 0.72);
  color: var(--blog-muted);
}

.blog-sidebar {
  position: sticky;
  top: calc(var(--header-height, 70px) + 1.5rem);
}

.sidebar-widget {
  margin-bottom: 1rem;
  padding: 1.15rem;
  border: 1px solid var(--blog-border);
  border-radius: var(--blog-radius);
  background: rgba(31, 41, 55, 0.82);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.14);
}

.widget-title {
  margin: 0 0 0.9rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--blog-border);
  color: var(--blog-text);
  font-size: 1rem;
  font-weight: 800;
}

.widget-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.widget-list li + li { margin-top: 0.55rem; }
.widget-list a {
  display: block;
  color: var(--blog-muted);
  text-decoration: none;
  line-height: 1.55;
  transition: color 0.16s ease, transform 0.16s ease;
}
.widget-list a:hover {
  color: var(--blog-accent);
  transform: translateX(2px);
}

.ad-widget { text-align: center; }
.ad-label {
  margin: 0 0 0.6rem;
  color: var(--blog-subtle);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.amazon-ad-box,
.sitenavi-placeholder {
  display: grid;
  min-height: 180px;
  place-items: center;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px dashed rgba(96, 165, 250, 0.38);
  border-radius: var(--blog-radius);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.13), rgba(6, 182, 212, 0.08));
  color: var(--blog-muted);
}
/* A placeholder with no injected navigation/ad content must not leave an unfinished card. */
.sitenavi-widget:has(.sitenavi-placeholder > p:only-child) { display: none; }
.amazon-ad-box strong { color: var(--blog-text); }
.amazon-ad-box p,
.sitenavi-placeholder p { margin: 0; font-size: 0.85rem; line-height: 1.55; }
.ad-icon { font-size: 2rem; }

@media (max-width: 768px) {
  .blog-main {
    padding-top: calc(var(--header-height, 70px) + 2rem);
  }
  .blog-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 4%;
  }
  .blog-sidebar {
    position: static;
  }
  .blog-hero-section { padding: 0 4%; }
  .blog-article { padding: 1.25rem; }
  .article-content { font-size: 0.98rem; }
}

@media (max-width: 480px) {
  .blog-hero-inner { padding: 1.35rem; }
  .card-body,
  .sidebar-widget { padding: 1rem; }
}

/* ============================================
   Blog Index Layout (blog/index.html 専用)
   一覧ページのみに適用。記事ページのセレクタには影響しない
   ============================================ */
.blog-index-layout .blog-list {
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-content: start;
}

.blog-index-layout .blog-card {
  display: flex;
  flex-direction: column;
}

.blog-index-layout .blog-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-index-layout .amazon-banner a {
  display: block;
  padding: 1.1rem 0.9rem;
  border: 1px solid rgba(96, 165, 250, 0.28);
  border-radius: var(--blog-radius);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.13), rgba(6, 182, 212, 0.08));
  color: var(--blog-accent);
  font-weight: 700;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.blog-index-layout .amazon-banner a:hover {
  border-color: var(--blog-border-strong);
  background: rgba(59, 130, 246, 0.2);
}

.blog-index-layout .ad-widget img {
  max-width: 100%;
  height: auto;
  border-radius: var(--blog-radius);
}

.blog-index-layout .widget-note {
  margin: 0;
  color: var(--blog-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

@media (max-width: 1200px) {
  .blog-index-layout .blog-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .blog-index-layout {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .blog-index-layout .blog-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .blog-index-layout .blog-list {
    grid-template-columns: 1fr;
  }
}

/* CSS 未定義だった記事ヒーロー画像 */
.blog-hero-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 2rem;
}

/* Mobile news-commentary readability baseline (shared site-local rule). */
@media (max-width: 768px) {
  .blog-main, .blog-container, .two-col-layout { min-width: 0; }
  .article-detail, .blog-article, .article-body { min-width: 0; }
  .article-detail .article-body, .blog-article { padding-inline: 16px; }
  .article-content {
    font-size: 1rem;
    line-height: 1.85;
    overflow-wrap: anywhere;
  }
  .article-content h2 { font-size: clamp(1.25rem, 6vw, 1.45rem); line-height: 1.4; }
  .article-content h3 { font-size: clamp(1.12rem, 5vw, 1.25rem); line-height: 1.45; }
  .article-content :is(img, iframe, video) { max-width: 100%; height: auto; }
  .article-content table { display: block; max-width: 100%; overflow-x: auto; }
  .sidebar, .blog-sidebar { position: static; order: 2; }
}

/* Blog index card grid fallback: scoped to index-only markup. */
.blog-index-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

.blog-index-main { min-width: 0; }

.blog-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.blog-index-grid .blog-card { display: flex; flex-direction: column; }

.blog-index-grid .blog-card > a {
  color: inherit;
  text-decoration: none;
}

.blog-index-grid .card-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-index-grid .card-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-index-grid .card-body { padding: 24px; }

@media (max-width: 1200px) {
  .blog-index-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .blog-index-layout { grid-template-columns: 1fr; }
  .blog-index-grid { grid-template-columns: 1fr; }
}
/* Mobile article reading width: keep outer page gutters, remove duplicated inner gutters. */
@media (max-width: 768px) {
  .article-content,
  .article-detail .article-body,
  .blog-article,
  .main-content > article.main-content {
    padding-left: 0;
    padding-right: 0;
  }
  /* Cap article-panel padding without removing deliberate card framing. */
  .article-panel,
  .article-main,
  .post-content,
  .article-detail {
    padding-left: min(16px, 4vw);
    padding-right: min(16px, 4vw);
  }
  .article-body { padding-left: 0; padding-right: 0; }
}