/* ============================================
   CONTENT CONTAINER
   Centered, max-width column used inside every section.
============================================ */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px var(--pad-x) 64px;
}

/* ============================================
   SITE NAV (non-cover pages — sticky top bar)
============================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 56px;
  background: var(--navy);
  display: flex;
  align-items: stretch;
}

.site-nav::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--vermillion), var(--gold));
}

.nav-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  gap: 20px;
}

.nav-home {
  font-family: 'Shippori Mincho', serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.nav-home:hover { color: var(--gold-light); }

.nav-sep {
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.18);
  flex-shrink: 0;
}

.nav-section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: var(--gold-light);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-kanji {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  color: rgba(255,255,255,0.15);
  margin-left: auto;
  font-weight: 300;
  letter-spacing: 0.12em;
}

@media (max-width: 480px) {
  .nav-kanji { display: none; }
}

/* ============================================
   SECTION HEADINGS & RULES
============================================ */
.section-heading {
  margin-bottom: 28px;
}

.section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.1;
}

.section-subtitle {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-top: 6px;
}

.gold-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 0 28px;
}

.thin-rule {
  height: 0.5px;
  background: rgba(0,0,0,0.08);
  margin: 40px 0;
}

/* ============================================
   SECTION DIVIDER (between thematic sections on same page)
============================================ */
.section-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0 40px;
}

.section-divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15,21,53,0.12), transparent);
}

.section-divider-kanji {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px;
  color: rgba(15,21,53,0.08);
  font-weight: 300;
}

/* ============================================
   PAGE FOOTER
============================================ */
.page-footer {
  width: 100%;
  background: var(--navy);
  padding: 16px var(--pad-x);
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
}

.footer-dots {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 6px;
  align-items: center;
}

.footer-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--sakura);
  opacity: 0.4;
}

.footer-right {
  font-family: 'Shippori Mincho', serif;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}