/* グローバルナビゲーション */

.global-nav {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  padding: 12px 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  margin-bottom: 0;
}

.global-nav .nav-link {
  color: #222;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  margin: 0 16px;
  padding: 8px 16px;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
  display: inline-block;
}

.global-nav .nav-link:hover {
  background: #f5f5f5;
  color: #000;
}

.global-nav .nav-link.active {
  background: #222;
  color: #fff;
}

.global-nav .nav-link.active:hover {
  background: #333;
}

@media (max-width: 600px) {
  .global-nav .nav-link {
    font-size: 1em;
    margin: 0 8px;
    padding: 6px 12px;
  }
}