#container {
  padding: 20px;
  width: 80%;
  margin: 0 auto;
  display: block;
}

/* ヘッダーのスタイル */
#navbar {
  background-color: #333;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}

#navbar h1 {
  margin: 0;
  font-size: 16px;
  font-weight: normal;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-button {
  background-color: #444;
  color: white;
  padding: 6px 10px;
  border: none;
  font-size: 14px;
  cursor: pointer;
}

.dropdown-content {
  right: 0;
  left: auto;
  display: none;
  position: absolute;
  background-color: #444;
  min-width: 150px;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.dropdown-content a {
  color: white;
  padding: 10px;
  font-size: 12px;
  text-decoration: none;
  display: block;
}

.dropdown-content a:hover {
  background-color: #555;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.btn-no-outline:focus,
.btn-no-outline:active {
  box-shadow: none !important;
  background-color: #6c757d !important;
  border-color: #6c757d !important;
}

.form-control-sm {
  background-color: #495057 !important;
  /* 入力欄の背景色 */
  color: #fff !important;
  /* 入力文字の色 */
  border: none !important;
}

.form-label {
  color: #fff !important;
}

#navbar {
  display: flex;
  align-items: center;
  padding: 10px;
  background-color: #343a40;
  /* ヘッダー背景をダークグレー */
}

.dropdown,
#trendline-form {
  margin-left: 15px;
  /* ヘッダーの余白調整 */
}

.input-wrapper {
  margin-left: 4px;
  margin-right: 8px;
}