/* データソースセクション */
.data-source-section {
  background: white;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.data-source-section h2 {
  color: #2c3e50;
  font-size: 1.5em;
  font-weight: 600;
  text-align: center;
  margin-bottom: 25px;
  border-bottom: 3px solid #3498db;
  padding-bottom: 10px;
}

.data-source-info {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 8px;
  border-left: 4px solid #3498db;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.source-detail {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.source-label {
  font-weight: 600;
  color: #2c3e50;
  font-size: 0.95em;
  min-width: 80px;
}

.source-value {
  color: #555;
  font-size: 0.95em;
}

.source-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #3498db;
  text-decoration: none;
  font-size: 0.95em;
  font-weight: 500;
  padding: 8px 12px;
  background: white;
  border-radius: 6px;
  border: 1px solid #3498db;
  transition: all 0.3s ease;
}

.source-link:hover {
  background: #3498db;
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(52, 152, 219, 0.3);
}

.external-link-icon {
  transition: transform 0.3s ease;
}

.source-link:hover .external-link-icon {
  transform: translateX(2px) translateY(-2px);
}

.filter-container label {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.filter-container input[type="date"] {
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #f9fcff;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s;
}

.filter-container input[type="date"]:focus {
    outline: none;
    border-color: #4a90e2;
}

.filter-container button {
    background-color: #4a90e2;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.filter-container button:hover {
    background-color: #357ab8;
}

.date-range-group {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: #f0f4ff; /* 薄い青で強調 */
    border-radius: 8px;
}

.date-range-group label {
    font-weight: bold;
    color: #333;
    margin-right: 6px;
}

.date-range-group select,
.date-range-group button {
    padding: 4px 8px;
    font-size: 14px;
    border-radius: 6px;
}

.date-range-group span {
    font-weight: bold;
    margin: 0 6px;
}

/* 年月セレクトボックスをまとめる */
.date-select-block {
    display: flex;
    align-items: center;
    gap: 4px;
}

.select-highlight {
    background-color: #f9fcff;
    border: 1px solid #bbb;
    padding: 6px;
    border-radius: 6px;
    transition: border-color 0.2s ease;
}

.select-highlight:hover,
.select-highlight:focus {
    border-color: #4a90e2;
}

@media screen and (max-width: 768px) {

  .data-source-section {
    padding: 20px;
    margin-bottom: 20px;
  }

  .filter-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1em;
  }

  .date-range-group {
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
  }

  .select-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .select-wrapper label {
    margin-top: 8px;
  }

  .select-wrapper select {
    width: 100%;
  }

}

/* フィルタ適用時の非表示行 */

@media screen and (max-width: 480px) {

  .data-source-section {
    padding: 15px;
  }

  .source-detail {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .source-label {
    min-width: auto;
    font-size: 0.9em;
  }

  .source-value {
    font-size: 0.9em;
  }

  .source-link {
    font-size: 0.9em;
    padding: 6px 10px;
  }

  .table-filters {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }

  .table-filters label {
    flex-direction: column;
  }

  .table-filters select {
    min-width: 100%;
  }

  .data-table {
    font-size: 12px;
  }

  .data-table th,
  .data-table td {
    padding: 8px 6px;
  }

  .data-table th {
    font-size: 12px;
  }
}