/* ベースの設定 */
body {
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  background: linear-gradient(to bottom, #f9faff, #fefefe);
  color: #3d3a4f;
  margin: 0;
  padding: 0;
  text-align: center;
}

/* ヘッダー */
header {
  background-color: #dbeaff;
  padding: 2rem 1rem;
  border-bottom: 3px dashed #a5c6f6;
}

h1 {
  font-size: 1.8rem;
  color: #5578a6;
  margin-bottom: 0.5rem;
}

/* セクションタイトル */
.section-title {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: #444;
  border-bottom: 2px solid #ccc;
  padding-bottom: 0.3rem;
}

/* メニューリンク */
.menu a {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  margin: 0.5rem 1rem;
  border-radius: 1.5rem;
  font-weight: bold;
  font-size: 1rem;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

/* 各リンクのカラー設定 */
.asd-parent, .asd-child {
  background-color: #e4f0ff;
  color: #2a4d7c;
  border: 2px dashed #aacbef;
}

.adhd-parent, .adhd-child {
  background-color: #ffece0;
  color: #a74d2a;
  border: 2px dashed #f5bfa6;
}

.ld-parent, .ld-child {
  background-color: #eaf6ff;
  color: #3c5c75;
  border: 2px dashed #b3daf1;
}

.attachment-parent, .attachment-child {
  background-color: #ffe5ef;
  color: #a34d76;
  border: 2px dashed #f5b7cc;
}

.cassandra-link {
  background-color: #ffe5f2;
  color: #9a3f67;
  border: 2px dashed #f3b5cf;
}

.asd-link {
  background-color: #e6f1ff;
  color: #4c7dd7;
  border: 2px dashed #d0e5f8;
}

.adhd-link {
  background-color: #fff7d6;
  color: #d3a31d;
  border: 2px dashed #f7e4b6;
}

.ld-link {
  background-color: #f9e6f7;
  color: #d478b8;
  border: 2px dashed #f7b8d7;
}

.attachment-link {
  background-color: #ffe6f7;
  color: #b85c9b;
  border: 2px dashed #f6c2d7;
}

/* ホバー時の色変更 */
.menu a:hover {
  transform: scale(1.05);
  opacity: 0.8;
}

/* レスポンシブ対応 */
@media screen and (max-width: 768px) {
  .menu a {
    font-size: 1rem;
    padding: 1rem;
  }

  .section-title {
    font-size: 1.2rem;
  }
}
.spacer {
    height: 3rem; /* 必要に応じて大きさを調整 */
  }
  footer {
    background-color: #d9b7fd;  /* パステルラベンダー系 */
    padding: 2rem 1rem;
    color: #5f3bb3;
    font-size: 0.9rem;
    margin-top: 3rem;
    border-top: 2px dashed #d0b7f5;
  }
  footer p {
    margin: 0;
    text-align: center;
    font-weight: bold;
  }
  .sns-links {
    margin-bottom: 1rem;
  }
  
  .sns-links ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  .sns-links li a {
    background-color: #ffe1ec;
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    color: #5c3a3a;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
  }
  
  .sns-links li a:hover {
    background-color: #fcbdd5;
  }