.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 248, 231, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(92, 64, 51, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding-block: 12px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: Georgia, serif;
  font-size: 1.5rem;
  line-height: 1.2;
  color: #4A3B6B;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(92, 64, 51, 0.2);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.site-header__toggle:hover {
  background-color: #E8EDE0;
}

.site-header__toggle:focus-visible {
  outline: 3px solid #FF6F61;
  outline-offset: 2px;
}

.site-header__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #5C4033;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-block;
  padding: 8px 0;
  font-family: Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: #5C4033;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.site-header__nav-link:hover {
  color: #FF6F61;
}

.site-header__nav-link:focus-visible {
  outline: 3px solid #FF6F61;
  outline-offset: 2px;
}

@media (max-width: 1024px) {
  .site-header__inner {
    gap: 16px;
  }

  .site-header__nav-list {
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .site-header__inner {
    min-height: 64px;
    padding-block: 8px;
  }

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

  .site-header__brand-text {
    font-size: 1.25rem;
  }

  .site-header__toggle {
    display: flex;
    z-index: 9999;
  }

  .site-header__nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    max-width: 100%;
    background-color: #FFF8E7;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 24px 16px;
    display: block;
    height: 100vh;
  }

  .site-header__nav[data-open="true"] {
    transform: translateX(0);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-header__nav-item {
    border-bottom: 1px solid rgba(92, 64, 51, 0.2);
  }

  .site-header__nav-link {
    display: block;
    padding: 16px 0;
    font-size: 1.125rem;
  }
}

@media (max-width: 480px) {
  .site-header__brand-text {
    display: none;
  }
}