/* ========================================
   COCORONDO Blog Styles
   ======================================== */
:root {
  --color-primary: #8B6914;
  --color-primary-light: #C4A35A;
  --color-primary-dark: #6B4F0A;
  --color-dark: #1a1a1a;
  --color-warm-bg: #FAF6F0;
  --color-warm-card: #F5EDE0;
  --color-text: #333;
  --color-text-light: #666;
  --color-white: #fff;
  --font-ja: 'Noto Sans JP', sans-serif;
  --font-en: 'Playfair Display', serif;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body {
  font-family: var(--font-ja);
  color: var(--color-text);
  line-height: 1.9;
  background: var(--color-white);
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { padding-left: 1.5em; }

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}
.container-wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(26,26,26,0.95);
  backdrop-filter: blur(10px);
}
.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary-light);
  letter-spacing: 2px;
}
.nav-menu {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-menu a {
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  transition: var(--transition);
}
.nav-menu a:hover { color: var(--color-primary-light); }

/* Article header */
.article-header {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2a2520 100%);
  color: var(--color-white);
  padding: 130px 20px 70px;
  text-align: center;
}
.article-category {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  padding: 4px 14px;
  border-radius: 30px;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.article-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 16px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.article-meta {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
}

/* Article body */
.article-body {
  padding: 60px 0 80px;
}
.article-body h2 {
  font-size: clamp(1.3rem, 2.8vw, 1.7rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-top: 56px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary-light);
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 36px;
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 4px solid var(--color-primary);
}
.article-body p {
  font-size: 1rem;
  margin-bottom: 1.2em;
  color: var(--color-text);
}
.article-body ul, .article-body ol {
  margin-bottom: 1.4em;
}
.article-body li {
  margin-bottom: 0.5em;
}
.article-body strong {
  color: var(--color-primary-dark);
  font-weight: 700;
}
.article-body a {
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-primary-light);
  transition: var(--transition);
}
.article-body a:hover {
  color: var(--color-primary);
  background: rgba(196,163,90,0.08);
}
.article-body blockquote {
  border-left: 4px solid var(--color-primary-light);
  padding: 16px 24px;
  background: var(--color-warm-bg);
  margin: 24px 0;
  border-radius: 4px;
  font-size: 0.95rem;
  color: var(--color-text-light);
}
.article-body .callout {
  background: var(--color-warm-card);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 32px 0;
}
.article-body .callout h3 {
  margin-top: 0;
  margin-bottom: 12px;
  border-left: none;
  padding-left: 0;
  color: var(--color-primary-dark);
}

/* CTA box */
.cta-box {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  margin: 48px 0;
  text-align: center;
}
.cta-box h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  border-left: none;
  padding-left: 0;
  color: var(--color-white);
  margin-top: 0;
}
.cta-box p {
  font-size: 0.92rem;
  opacity: 0.9;
  margin-bottom: 20px;
  color: var(--color-white);
}
.cta-box-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.cta-btn-white {
  background: var(--color-white);
  color: var(--color-primary-dark);
  border-bottom: none !important;
}
.cta-btn-white:hover {
  background: var(--color-warm-bg);
  transform: translateY(-2px);
}
.cta-btn-line {
  background: #06C755;
  color: var(--color-white) !important;
  border-bottom: none !important;
}
.cta-btn-line:hover {
  background: #05a847;
  transform: translateY(-2px);
}
.cta-platforms {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.25);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
}
.cta-platforms a {
  color: var(--color-white) !important;
  border-bottom: 1px solid rgba(255,255,255,0.5) !important;
  margin: 0 4px;
  padding: 0 2px;
  white-space: nowrap;
}
.cta-platforms a:hover {
  border-bottom-color: var(--color-white) !important;
  background: rgba(255,255,255,0.08);
}

/* Related posts */
.related-posts {
  background: var(--color-warm-bg);
  padding: 60px 0;
}
.related-posts h2 {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 30px;
  color: var(--color-primary-dark);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.related-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.related-card-cat {
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.related-card-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
}

/* Footer */
.blog-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 36px 20px;
}
.blog-footer-logo {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-primary-light);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.blog-footer-links {
  display: flex;
  gap: 18px;
  justify-content: center;
  margin: 16px 0;
  flex-wrap: wrap;
}
.blog-footer-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.blog-footer-links a:hover { color: var(--color-primary-light); }
.blog-footer-copy { font-size: 0.78rem; }

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.82rem;
  color: var(--color-text-light);
  border-bottom: 1px solid #eee;
}
.breadcrumb a {
  color: var(--color-primary-dark);
  border-bottom: 1px dotted transparent;
}
.breadcrumb a:hover { border-bottom-color: var(--color-primary); }
.breadcrumb-sep { margin: 0 6px; color: #bbb; }

/* Blog index */
.blog-index-header {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2a2520 100%);
  color: var(--color-white);
  padding: 130px 20px 70px;
  text-align: center;
}
.blog-index-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 12px;
}
.blog-index-header p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}
.blog-list {
  padding: 60px 0 80px;
}
.blog-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.blog-list-item {
  background: var(--color-white);
  border: 1px solid #eee;
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  display: block;
}
.blog-list-item:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.blog-list-cat {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-primary);
  background: var(--color-warm-bg);
  padding: 3px 12px;
  border-radius: 30px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.blog-list-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.blog-list-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 10px;
}
.blog-list-meta {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* ---- Featured banner (Pillar + Brand) ---- */
.blog-featured {
  padding: 50px 0 30px;
}
.blog-featured-heading {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.blog-featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
.blog-featured-card {
  position: relative;
  display: block;
  padding: 36px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  overflow: hidden;
}
.blog-featured-pillar {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  box-shadow: 0 8px 30px rgba(139,105,20,0.25);
}
.blog-featured-about {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2520 100%);
  color: var(--color-white);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.blog-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(0,0,0,0.3);
}
.blog-featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 30px;
  letter-spacing: 1px;
}
.blog-featured-cat {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.blog-featured-about .blog-featured-cat { color: var(--color-primary-light); }
.blog-featured-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--color-white) !important;
}
.blog-featured-excerpt {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 18px;
  opacity: 0.92;
}
.blog-featured-cta {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-white) !important;
  border-bottom: 2px solid rgba(255,255,255,0.5);
  padding-bottom: 2px;
}

/* ---- Category filter ---- */
.blog-filter-section {
  padding: 30px 0 10px;
}
.blog-filter-heading {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 14px;
  letter-spacing: 2px;
  font-weight: 500;
}
.blog-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.blog-filter-btn {
  padding: 8px 18px;
  border: 1px solid var(--color-primary-light);
  background: var(--color-white);
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.blog-filter-btn:hover {
  background: rgba(196,163,90,0.1);
}
.blog-filter-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  font-weight: 700;
}
.blog-list-item.hidden { display: none; }

/* Responsive */
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .article-header, .blog-index-header { padding: 100px 20px 50px; }
  .article-body { padding: 40px 0 60px; }
  .article-body h2 { margin-top: 40px; }
  .blog-featured-title { font-size: 1.1rem; }
}