/* サイト共通：右上ハンバーガーで展開するナビ（index.htm 等） */

.site-topbar-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 10px;
  background: transparent;
  border: none;
  border-radius: 15px;
  padding: 10px;
  box-shadow: none;
}

.site-topbar-table td {
  vertical-align: middle;
  border: none;
  padding: 10px;
}

.site-topbar-logo {
  width: 25%;
  vertical-align: top;
}

.site-topbar-lang {
  font-size: small;
}

.site-topbar-actions {
  text-align: right;
  white-space: nowrap;
}

.site-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 2px solid rgba(90, 90, 90, 0.45);
  border-radius: 12px;
  background: linear-gradient(145deg, #f5f5f5 0%, #e8e8e8 100%);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.site-nav-toggle:hover {
  background: #fff;
  border-color: #5a5a5a;
}

.site-nav-toggle:focus {
  outline: 2px solid #6a9f82;
  outline-offset: 2px;
}

.site-nav-toggle-bar {
  display: block;
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: #333;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.site-nav-toggle-bar {
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-drawer {
  display: none;
  max-width: 1080px;
  margin: 0 auto 12px;
  padding: 12px 16px 16px;
  border-radius: 12px;
  border: 1px solid rgba(127, 179, 150, 0.45);
  background: linear-gradient(180deg, #f8fcf9 0%, #ffffff 100%);
  box-shadow: 0 8px 28px rgba(42, 125, 79, 0.1);
}

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

.site-nav-drawer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px 24px;
}

.site-nav-drawer h3 {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #2a7d4f;
  letter-spacing: 0.04em;
}

.site-nav-drawer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav-drawer li {
  margin: 0 0 6px;
}

.site-nav-drawer a {
  color: #155aad;
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.45;
}

.site-nav-drawer a:hover {
  text-decoration: underline;
}

.site-nav-drawer .site-nav-tel {
  font-weight: 600;
  color: #1a2e22;
}

@media (max-width: 640px) {
  .site-topbar-logo {
    width: auto;
    max-width: 40%;
  }

  .site-nav-drawer-inner {
    grid-template-columns: 1fr;
  }
}