/*ヘッダーとメニュー部分*/
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: #2c3e50;
  color: white;
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 1000;
  font-family: initial;
}
.site-title {
  font-size: 1.5em;
  margin-left: 20px;
}
.site-title a {
  text-decoration: none; /* 下線を消す */
  color: inherit;         /* 親要素の色を継承 */
}
.menu-icon {
  font-size: 1.8em;
  cursor: pointer;
}
#side-menu {
  position: fixed;
  top: 60px;
  left: -250px;
  width: 250px;
  height: 100%;
  background-color: #34495e;
  color: white;
  transition: left 0.3s ease;
  z-index: 999;
   font-family: initial;
}
#side-menu ul {
  list-style: none;
  padding: 20px;
}
#side-menu li {
  margin: 20px 0;
}
#side-menu a {
  color: white;
  text-decoration: none;
  font-size: 1.2em;
}

/* 検索フィルターのli項目 */
.search-filter {
  padding: 20px;
  font-size: 1.2em;
  color: white;
}
.search-filter label {
  display: block;
  margin-bottom: 0.5em;
  font-size: 1.2em;
  color: white;
}
.search-form {
  display: flex;
  flex-direction: column;     /* ← 横並びから縦並びに変更 */
  gap: 0.5em;                  /* 上下の間隔を確保 */
  align-items: stretch;       /* 幅を揃える（必要に応じて） */
}
.search-form input {
  flex: 1;
  padding: 0.33em 0.5em;
  border: none;
  border-radius: 4px;
  background-color: #fff;
  color: #333;
  font-size: 0.9em;
}
.search-form button {
  padding: 0.2em 0.5em;
  background-color: #7f8c8d;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 0.8em;
  cursor: pointer; /* ← ここを変更 */
  width: 40%;
  white-space: nowrap; /* ← 折り返し防止 */
}
.search-form button:disabled {
  cursor: not-allowed;
}

/* フッター部分 */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    border-top: 1px solid #ccc;
    color: #666;
    font-size: 0.9em;
}