/* ========================================
   正常ラヂヲTools - 共通コンポーネント
   base.css の後に読み込むこと
   ナビゲーション・フッター（index, blog, contact 等で利用）
   ======================================== */

/* ========================================
   ナビゲーション
   ======================================== */
.global-nav {
  background-color: var(--color-surface);
  width: 100%;
  padding: 0;
  padding-top: var(--spacing-sm);
  border-bottom: none;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  margin: 0;
  padding: 0;
  position: relative;
}

.nav-list li {
  margin: 0;
  position: relative;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  border: var(--border-width) solid var(--color-text);
  border-bottom: none;
  background-color: #888888;
  border-radius: 4px 4px 0 0;
  transition: all 0.3s;
  position: relative;
  margin-right: 4px;
  transform: translateY(0);
  z-index: 1;
}

.nav-link:visited {
  color: var(--color-text);
}

.nav-link:hover {
  background-color: #999999;
  color: var(--color-text);
  transform: translateY(0);
}

.nav-list li:first-child .nav-link {
  background-color: var(--color-primary);
  color: #fff;
}

.nav-list li:first-child .nav-link:hover {
  background-color: var(--color-primary-hover);
  color: #fff;
}

.nav-list li:first-child .nav-link.active {
  background-color: var(--color-primary);
  color: #fff;
}

.nav-link.active {
  background-color: var(--color-background);
  color: var(--color-text);
  transform: translateY(0);
  z-index: 2;
  border-bottom: none;
  margin-bottom: -1px;
}

/* ========================================
   フッター
   ======================================== */
.site-footer {
  background-color: var(--color-surface);
  color: var(--color-muted-light);
  padding: 30px 20px;
  text-align: center;
  margin-top: 60px;
  border-top: 1px solid var(--color-border);
}

.site-footer > div {
  max-width: 1200px;
  margin: 0 auto;
}

.site-footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer nav a {
  color: var(--color-muted-light);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.site-footer nav a:hover {
  color: var(--color-primary);
}

.site-footer p {
  margin-top: 20px;
  font-size: 12px;
  color: #999;
}

@media (max-width: 768px) {
  .site-footer {
    padding: 25px 15px;
    margin-top: 40px;
  }

  .site-footer nav ul {
    gap: 15px;
  }

  .site-footer nav a {
    font-size: 13px;
  }

  .site-footer p {
    margin-top: 15px;
    font-size: 11px;
  }
}

@media (max-width: 420px) {
  .site-footer {
    padding: 20px 10px;
    margin-top: 30px;
  }

  .site-footer nav ul {
    gap: 12px;
  }

  .site-footer nav a {
    font-size: 12px;
  }

  .site-footer p {
    margin-top: 12px;
    font-size: 10px;
  }
}