.site-header {
  position: relative;
  z-index: 1000;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid var(--aw-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--aw-content-width));
  min-height: 76px;
  margin: 0 auto;
  gap: 32px;
}

.site-logo {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  color: var(--aw-navy);
  font-weight: 800;
  line-height: 1;
}

.site-logo:hover {
  text-decoration: none;
}

.site-logo__image {
  display: block;
  height: auto;
}

.site-logo__image--pc {
  width: var(--aiwapress-logo-pc-width, 180px);
}

.site-logo__image--sp {
  display: none;
  width: var(--aiwapress-logo-sp-width, 150px);
}

.site-logo__text {
  font-size: 22px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.desktop-nav__menu,
.desktop-nav__menu ul,
.mobile-nav__menu,
.mobile-nav__menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.desktop-nav__menu {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: 4px;
}

.desktop-nav__menu > li {
  position: static;
  display: flex;
  align-items: stretch;
}

.desktop-nav__menu > li > a {
  display: flex;
  align-items: center;
  padding: 0 16px;
  color: var(--aw-text);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.desktop-nav__menu > li > a:hover,
.desktop-nav__menu > li.current-menu-item > a,
.desktop-nav__menu > li.current-menu-ancestor > a {
  color: var(--aw-blue);
  text-decoration: none;
}

.desktop-nav__menu > li.menu-item-has-children > .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1001;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 28px;
  width: min(calc(100% - 48px), var(--aw-content-width));
  margin: 0 auto;
  padding: 30px 0 34px;
  background: var(--aw-white);
  border-top: 1px solid var(--aw-border);
  border-bottom: 1px solid var(--aw-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.desktop-nav__menu > li.menu-item-has-children:hover > .sub-menu,
.desktop-nav__menu > li.menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.desktop-nav__menu .sub-menu li a {
  position: relative;
  display: block;
  padding: 12px 28px 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--aw-radius);
  color: var(--aw-text);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

.desktop-nav__menu .sub-menu li a::after {
  content: ">";
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--aw-blue);
  font-weight: 800;
  transform: translateY(-50%);
}

.desktop-nav__menu .sub-menu li a:hover,
.desktop-nav__menu .sub-menu li.current-menu-item a {
  background: var(--aw-bg-soft);
  border-color: #dbe3ee;
  color: var(--aw-blue);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--aw-navy);
  border-radius: var(--aw-radius);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 1090;
  background: rgba(18, 48, 74, 0.38);
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1100;
  width: min(88vw, 380px);
  height: 100dvh;
  overflow-y: auto;
  padding: 18px 20px 28px;
  background: var(--aw-white);
  border-left: 1px solid var(--aw-border);
  transform: translateX(105%);
  transition: transform 0.24s ease;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--aw-border);
}

.mobile-nav__title {
  color: var(--aw-navy);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.mobile-nav__close {
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  color: var(--aw-navy);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.mobile-nav__menu > li {
  border-bottom: 1px solid var(--aw-border);
}

.mobile-nav__menu > li > a {
  display: block;
  padding: 16px 42px 16px 2px;
  color: var(--aw-text);
  font-weight: 700;
}

.mobile-nav__menu .menu-item-has-children {
  position: relative;
}

.mobile-submenu-toggle {
  position: absolute;
  top: 8px;
  right: 0;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  color: var(--aw-blue);
  font-size: 22px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.mobile-submenu-toggle.is-open {
  transform: rotate(90deg);
}

.mobile-nav__menu .sub-menu {
  max-height: 0;
  overflow: hidden;
  padding-left: 14px;
  transition: max-height 0.28s ease;
}

.mobile-nav__menu .sub-menu a {
  display: block;
  padding: 11px 10px;
  color: var(--aw-muted);
  font-size: 14px;
  font-weight: 600;
}

body.mobile-menu-open {
  overflow: hidden;
}