.sitemap-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 20px 40px;
}

.page-title {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
}

.sitemap-intro {
  text-align: center;
  margin-bottom: 40px;
  color: #555;
}

.sitemap-section {
  margin-bottom: 40px;
}

.sitemap-section h2 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  border-left: 5px solid #333;
  padding-left: 10px;
}

.sitemap-section ul {
  list-style: none;
  padding-left: 0;
}

.sitemap-section li {
  margin-bottom: 8px;
}

.sitemap-section a {
  color: #333;
  text-decoration: underline;
}

@media (min-width: 900px) {
  .sitemap-sections {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    min-height: calc(60vh - 150px); 
  }

  .sitemap-section {
    margin-bottom: 0; /* 下マージンを除去して横並びに調整 */
  }
}

footer {
  margin-bottom: 0;
  flex-shrink: 0;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.sitemap-container {
  flex: 1;
}