.content {
  padding: 30px;
  background-color: #fff;
}

.indicator-title {
    margin-bottom: 10px;
}

.chart-container {
    width: 100%;
    height: 700px;
    max-height: 1000px; /* 最大800pxで打ち止め */
}

.filter-container {
    background-color: #ffffff;
    padding: 12px 16px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-family: "Noto Sans JP", sans-serif;
}

.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;
}

.notation {
    text-align: center;
    padding: 10px;
}

@media screen and (max-width: 768px) {
  .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%;
  }

  .indicator-title {
    white-space: nowrap;
    font-size: 1.2rem;
  }

  .chart-container {
    height: 80vh;  /* 高さを調整 */
  }

  .content {
    padding: 5px;  /* ← パディングを削除 */
  }

  .filter-pair {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
  }

  .filter-pair label {
    white-space: nowrap;
    min-width: 90px; /* 適宜調整 */
    font-weight: 600;
  }

  .filter-pair select {
    flex-grow: 1;
  }
}