.site-header {
  position: relative;
  z-index: 100;
  background: #fff;
}

.brand {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 18px;
  background: #fff;
}

.brand__start,
.brand__end {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
}

.brand__logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  max-width: calc(100% - 140px);
}

.brand__name,
.custom-logo-link {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  color: #111;
  text-decoration: none;
}

.brand__name {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.custom-logo {
  height: 18px;
  width: auto;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #111;
  cursor: pointer;
  line-height: 0;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: #111;
  position: relative;
  transition: transform 0.2s ease, top 0.2s ease, background 0.2s ease;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle.is-open .nav-toggle__bars {
  background: transparent;
}

.nav-toggle.is-open .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-open .nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  background: var(--color-nav);
  color: #fff;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  min-height: var(--nav-h);
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-en), var(--font-ja);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.nav-menu > li > a:hover,
.nav-menu > .current-menu-item > a,
.nav-menu > .current-menu-ancestor > a {
  opacity: 0.72;
}

.site-nav .icon-btn {
  color: #fff;
}

.cart {
  position: relative;
}

.cart__panel {
  position: absolute;
  top: calc(100% - 2px);
  right: 0;
  z-index: 30;
  min-width: 220px;
  padding: 8px 0;
  background: #fff;
  color: #111;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.cart__panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}

.cart__panel a {
  display: block;
  padding: 10px 18px;
  color: #111;
  text-decoration: none;
  font-size: 13px;
}

.cart__panel a:hover {
  background: #f6f6f6;
}

.cart.is-open .cart__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}

@media (min-width: 641px) {
  .cart:hover .cart__panel,
  .cart:focus-within .cart__panel {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
}

@media (max-width: 960px) {
  .nav-menu > li > a {
    padding: 12px 12px;
    font-size: 12px;
  }
}

@media (max-width: 640px) {
  .brand__name {
    font-size: 13px;
    letter-spacing: 0.18em;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    left: 0;
    overflow: auto;
    visibility: hidden;
    transform: translateX(-100%);
    transition: transform 0.28s ease;
  }

  .site-nav.is-open {
    visibility: visible;
    transform: none;
  }

  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    min-height: 0;
  }

  .nav-menu > li > a {
    padding: 18px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 15px;
  }

  .menu-item-cart {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav .cart__panel {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 8px;
    background: transparent;
    color: #fff;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-nav .cart__panel::before {
    display: none;
  }

  .site-nav .cart.is-open .cart__panel {
    display: block;
  }

  .site-nav .cart__panel a {
    padding: 12px 24px 12px 40px;
    color: #fff;
  }

  .site-nav .cart__panel a:hover {
    background: rgba(255, 255, 255, 0.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav,
  .nav-toggle__bars,
  .nav-toggle__bars::before,
  .nav-toggle__bars::after,
  .cart__panel {
    transition: none;
  }
}