.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 240, 232, 0.95);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo { height: 36px; width: auto; }

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-md);
}

.site-nav__link {
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--color-ink);
  padding: 0.25rem 0;
}

.site-nav__toggle {
  display: none;
  background: var(--color-indigo);
  color: var(--color-bg);
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-family: var(--font-en);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-nav__toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
}
.site-nav__toggle-bar {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--color-bg);
}

.site-main {
  position: relative;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xxl);
}

.site-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xxl) var(--space-md);
  position: relative;
}

.site-footer {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
}

.site-footer__logo {
  height: 32px;
  width: auto;
  margin: 0 auto var(--space-md);
  filter: brightness(0) invert(1);
}

.site-footer__note {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-bottom: var(--space-sm);
}

.site-footer__copyright {
  font-family: var(--font-en);
  font-size: 0.8rem;
  opacity: 0.5;
}

.site-footer__link {
  color: var(--color-bg);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .site-main { padding-top: var(--space-md); padding-bottom: var(--space-xl); }
  .site-section { padding: var(--space-xl) var(--space-md); }
}

@media (min-width: 769px) {
  .site-nav__toggle { display: none; }
  .site-nav { display: block; }
}