/* ===========================
   PC＝3列、スマホ＝1列
   カード風＋影＋ふわっと浮く
   =========================== */

.sitemap-list {
  display: grid;
  grid-template-columns: 1fr; /* スマホ＝1列 */
  gap: 2rem;
  padding: 0;
  list-style: none;
}

/* PC（1024px〜）で3列表示 */
@media (min-width: 1024px) {
  .sitemap-list {
    grid-template-columns: repeat(3, 1fr); /* PC＝3列 */
  }
}

/* カード本体 */
.sitemap-list > li {
  background: #ffffff;
  padding: 1.8rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  will-change: transform, box-shadow;
}

/* ホバー＆フォーカス時の浮遊アニメーション */
.sitemap-list > li:hover,
.sitemap-list > li:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}

/* タイトル行 */
.sitemap-list strong {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: #333;
  transition: opacity 0.35s ease;
}

.sitemap-list strong i {
  font-size: 1.2rem;
  color: #1f7f5f;
}

/* ホバー時のタイトルフェード */
.sitemap-list > li:hover strong,
.sitemap-list > li:focus-within strong {
  opacity: 0.85;
}

/* 内側リスト */
.sitemap-list ul {
  list-style: none;
  padding-left: 1rem;
  border-left: 2px solid #ddd;
}

.sitemap-list ul li {
  margin-bottom: 0.6rem;
}

.sitemap-list a {
  color: #333;
  text-decoration: none;
  font-weight: 300;
}

.sitemap-list a:hover {
  color: #1f7f5f;
}

.sitemap-list a:focus {
  outline: none;
}