/* ── Container ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.container--wide { max-width: 1400px; }
.container--narrow { max-width: 800px; }

/* ── Section spacing ─────────────────────────────── */
section { padding-block: var(--section-py); }
.section--large { padding-block: var(--section-py-lg); }

/* ── Section header ──────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.section-header > * + * { margin-top: 1rem; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--space-4);
}
.section-label::before,
.section-label::after {
  content: '';
  display: block;
  height: 1px;
  width: 32px;
  background: currentColor;
  opacity: 0.5;
}
.section-label--white { color: rgba(255,255,255,.7); }

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.02em;
  line-height: 1.25;
}
.section-title--white { color: var(--c-text-white); }

.section-desc {
  font-size: var(--text-md);
  color: var(--c-text-sub);
  line-height: 1.9;
  max-width: 560px;
  margin-inline: auto;
}
.section-desc--white { color: var(--c-text-white-sub); }

/* ── Breadcrumb ──────────────────────────────────── */
.breadcrumb {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--c-border);
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--c-text-muted);
}
.breadcrumb__link { color: var(--c-primary); transition: opacity var(--transition-fast); }
.breadcrumb__link:hover { opacity: 0.7; }
.breadcrumb__sep { color: var(--c-border); font-size: 0.8em; }
.breadcrumb__current { color: var(--c-text-muted); }

/* ── Page hero ───────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + clamp(3rem, 6vw, 6rem));
  padding-bottom: clamp(3rem, 6vw, 6rem);
  background: var(--c-bg-soft);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--c-primary) 0%, transparent 60%);
  opacity: 0.04;
  pointer-events: none;
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero__label {
  display: block;
  font-family: var(--font-en);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--space-4);
}
.page-hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--c-text);
  line-height: 1.2;
}
.page-hero__desc {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--c-text-sub);
  max-width: 560px;
  line-height: 1.9;
}

/* ── Pagination ──────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: clamp(3rem, 6vw, 5rem);
}
.pagination .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-family: var(--font-en);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--c-text-sub);
  transition: var(--transition);
}
.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}

/* ── No posts ─────────────────────────────────────── */
.no-posts {
  text-align: center;
  padding: var(--space-16) 0;
  color: var(--c-text-muted);
  font-size: var(--text-md);
}

/* ── Entry content (WordPress standard) ─────────────── */
.entry-content h2 { font-size: var(--text-3xl); margin-top: 2.5em; margin-bottom: 0.75em; }
.entry-content h3 { font-size: var(--text-2xl); margin-top: 2em;   margin-bottom: 0.75em; }
.entry-content h4 { font-size: var(--text-xl);  margin-top: 1.5em; margin-bottom: 0.5em;  }
.entry-content p  { margin-bottom: 1.6em; line-height: 1.9; }
.entry-content ul,
.entry-content ol { margin-bottom: 1.6em; padding-left: 1.5em; }
.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }
.entry-content li { margin-bottom: 0.4em; line-height: 1.8; }
.entry-content img { border-radius: var(--radius); margin-block: 2em; }
.entry-content blockquote {
  border-left: 3px solid var(--c-primary);
  padding: 1rem 1.5rem;
  margin-block: 2em;
  background: var(--c-bg-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--c-text-sub);
  font-style: italic;
}
.entry-content a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 3px; }
.entry-content a:hover { opacity: 0.75; }
.entry-content code { font-family: monospace; background: var(--c-bg-soft); padding: 0.1em 0.4em; border-radius: 3px; font-size: 0.9em; }
.entry-content pre  { background: var(--c-dark-2); color: #e2e8f0; padding: 1.5rem; border-radius: var(--radius-md); overflow-x: auto; margin-block: 2em; }
.entry-content table { width: 100%; border-collapse: collapse; margin-block: 2em; }
.entry-content th { background: var(--c-bg-soft); font-weight: 600; text-align: left; padding: 0.75rem 1rem; border: 1px solid var(--c-border); }
.entry-content td { padding: 0.75rem 1rem; border: 1px solid var(--c-border); }
.entry-content tr:nth-child(even) td { background: var(--c-bg-soft); }

/* ── Dropdown Navigation ──────────────────────────── */
.site-nav__list > li { position: relative; }

/* WordPress が自動付与する sub-menu クラスを使ってドロップダウン表示 */
.site-nav__list .sub-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 180px;
  background: var(--c-bg);
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease, transform 0.22s ease;
  z-index: calc(var(--z-nav) + 10);
  list-style: none;
}
.site-nav__list li:hover > .sub-menu,
.site-nav__list li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.site-nav__list .sub-menu li { list-style: none; }
.site-nav__list .sub-menu a,
.site-nav__dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--c-text);
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
  letter-spacing: 0.02em;
}
.site-nav__list .sub-menu a:hover,
.site-nav__dropdown-link:hover {
  background: var(--c-bg-soft);
  color: var(--c-primary);
}

/* ドロップダウンカレット */
.site-nav__caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: middle;
  margin-left: 2px;
  transition: transform 0.2s ease;
}
.site-nav__item.has-dropdown:hover .site-nav__caret,
.site-nav__item.has-dropdown:focus-within .site-nav__caret {
  transform: rotate(180deg);
}

/* ── Mobile sub-menu flat display ─────────────────── */
.mobile-nav .mobile-nav__sub-list {
  list-style: none;
  padding: 0;
  background: var(--c-bg-soft);
  border-top: none;
}
.mobile-nav .mobile-nav__sub-list .mobile-nav__item--sub {
  border-bottom: none;
  border-top: 1px solid var(--c-border);
}
.mobile-nav .mobile-nav__link--sub {
  padding-left: var(--space-8);
  font-size: var(--text-sm);
  color: var(--c-text-sub);
}
.mobile-nav .mobile-nav__link--sub:hover { color: var(--c-primary); }