.site-header {
  background: var(--color-white);
  box-shadow: var(--shadow-header);
  position: sticky;
  top: 0;
  z-index: 200;
}

.site-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 8px 24px;
  gap: 32px;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-logo img {
  width: 187px;
  height: 62px;
  object-fit: contain;
}

.brand-access {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-secondary);
}

.access-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.access-icon {
  width: 16px;
  height: 16px;
}

.site-header__cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cta-tel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 195px;
}

.cta-tel__label {
  font-size: 14px;
  letter-spacing: 0.05em;
}

.cta-tel__number {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Zen Old Mincho", serif;
  font-size: 24px;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  white-space: nowrap;
}

.cta-tel__number img {
  width: 20px;
  height: 20px;
}

.cta-web {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 70px;
  padding: 16px 24px;
  border-radius: 5px;
  background: var(--color-accent);
  color: var(--color-white);
}

.cta-web__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Zen Old Mincho", serif;
  font-size: 20px;
  letter-spacing: 0.05em;
}

.cta-web__label img {
  width: 20px;
  height: 20px;
}

.cta-web__icon {
  width: 20px;
  height: 20px;
}

.site-header__bottom {
  padding: 4px 24px 8px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 48px;
  font-family: "Zen Old Mincho", serif;
  font-size: 15px;
  letter-spacing: 0.05em;
  line-height: 1.35;
}

.site-nav__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary);
}

.site-nav__item.is-active {
  color: var(--color-primary-strong);
}

.site-nav__item.is-muted {
  color: var(--color-primary);
}

.menu-arrow {
  width: 0;
  height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid var(--color-secondary);
  transform: translateY(1px);
}

button.site-nav__item {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.site-header__hamburger {
  display: none;
}

.hamburger-button {
  position: relative;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.hamburger-button::before {
  content: "";
  position: absolute;
  inset: 6px;
  background: #787b83;
}

.hamburger-button__icon {
  position: absolute;
  top: 18px;
  left: 50%;
  width: 20px;
  height: 2px;
  background: #ffffff;
  transform: translateX(-50%);
  box-shadow: 0 6px 0 #ffffff, 0 12px 0 #ffffff;
}

.hamburger-button__icon::before,
.hamburger-button__icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 1.5px;
  background: #ffffff;
  opacity: 0;
  transform: translateY(-50%);
}

.hamburger-button.is-open .hamburger-button__icon {
  top: 20px;
  background: transparent;
  box-shadow: none;
}

.hamburger-button.is-open .hamburger-button__icon::before {
  opacity: 1;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger-button.is-open .hamburger-button__icon::after {
  opacity: 1;
  transform: translateY(-50%) rotate(-45deg);
}

.hamburger-button__label {
  position: absolute;
  left: 50%;
  bottom: 14px;
  font-family: "Zen Old Mincho", serif;
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1;
  color: #ffffff;
  text-transform: lowercase;
  transform: translateX(-50%);
}