.site-header {
  position: relative;
  z-index: 1000;
  background-color: #F5F5F0;
  border-bottom: 1px solid #A8C3D6;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  min-height: 72px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #2B2B2B;
  flex-shrink: 0;
}

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

.site-header__brand-text {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 1.2;
  color: #722F37;
  letter-spacing: 0.02em;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 2px solid #722F37;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

.site-header__toggle:hover {
  background-color: #F4D35E;
  border-color: #F4D35E;
}

.site-header__toggle:focus-visible {
  outline: 2px solid #722F37;
  outline-offset: 2px;
}

.site-header__toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #722F37;
  transition: transform 0.2s ease-in-out, opacity 0.2s ease-in-out;
}

.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: block;
}

.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-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: #2B2B2B;
  transition: color 0.2s ease-in-out;
  white-space: nowrap;
}

.site-header__nav-link:hover {
  color: #722F37;
}

.site-header__nav-link:focus-visible {
  outline: 2px solid #722F37;
  outline-offset: 2px;
}

@media (max-width: 1024px) {
  .site-header__inner {
    padding: 12px 20px;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #F5F5F0;
    border-bottom: 1px solid #A8C3D6;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
  }

  .site-header__nav.is-open {
    max-height: 400px;
    overflow-y: auto;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 20px;
  }

  .site-header__nav-item + .site-header__nav-item {
    margin-top: 0;
  }

  .site-header__nav-link {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid #A8C3D6;
    font-size: 16px;
  }

  .site-header__nav-item:last-child .site-header__nav-link {
    border-bottom: none;
  }
}

@media (max-width: 480px) {
  .site-header__inner {
    padding: 10px 12px;
    min-height: 64px;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
  }

  .site-header__brand-text {
    font-size: 20px;
  }

  .site-header__nav-list {
    padding: 12px 16px;
  }
}