/* Shared primary header for Guide and LP pages. */
.site-header,
.guide-primary-header {
  position: sticky;
  top: 0;
  z-index: 110;
  min-height: 62px;
  border-bottom: 1px solid #e8e8e5;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
}

.site-header-inner,
.guide-primary-inner {
  width: 100%;
  max-width: var(--shell-width, 1144px);
  min-height: 61px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  padding: 0 var(--page-gutter, 32px);
}

.site-header .brand,
.guide-primary-logo {
  min-height: 0;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-start;
  line-height: 0;
}

.site-header-logo,
.guide-primary-logo img {
  width: auto;
  height: 28px;
  display: block;
  aspect-ratio: 720 / 104;
}

.top-nav,
.guide-primary-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  color: #333333;
  font-family: "LINE Seed JP", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 20px;
}

.top-nav a,
.guide-primary-links a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 6px;
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.top-nav a:hover,
.top-nav a.active,
.top-nav a[aria-current="page"],
.guide-primary-links a:hover,
.guide-primary-links a.active,
.guide-primary-links a[aria-current="page"] {
  color: #1e5e4e;
  background: #ecfbf7;
}

.top-nav svg,
.guide-primary-external {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.guide-primary-header + .nav {
  top: 62px;
}

@media (max-width: 768px) {
  .site-header,
  .guide-primary-header {
    min-height: 57px;
  }

  .site-header-inner,
  .guide-primary-inner {
    min-height: 56px;
    gap: 8px;
  }

  .site-header-logo,
  .guide-primary-logo img {
    height: 25px;
  }

  .top-nav,
  .guide-primary-links {
    gap: 0;
    font-size: 11px;
    line-height: 18px;
  }

  .top-nav a,
  .guide-primary-links a {
    min-height: 34px;
    gap: 4px;
    padding: 7px 6px;
  }

  .top-nav svg,
  .guide-primary-external {
    width: 12px;
    height: 12px;
  }

  .guide-primary-header + .nav {
    top: 57px;
  }
}

@media (max-width: 560px) {
  .site-header,
  .guide-primary-header {
    min-height: 87px;
  }

  .site-header-inner,
  .guide-primary-inner {
    width: 100%;
    max-width: none;
    min-height: 86px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 0;
  }

  .site-header .brand,
  .guide-primary-logo {
    min-height: 42px;
    justify-content: center;
  }

  .site-header-logo,
  .guide-primary-logo img {
    height: 22px;
  }

  .top-nav,
  .guide-primary-links {
    width: 100%;
    margin-left: 0;
    border-top: 1px solid #e8e8e5;
  }

  .top-nav a,
  .guide-primary-links a {
    min-width: 0;
    min-height: 44px;
    flex: 1 1 0;
    justify-content: center;
    padding: 8px 4px;
  }

  .guide-primary-header + .nav {
    top: 88px;
  }

  .mobile-menu {
    padding-top: 169px;
  }
}