.prayer-form-section {
    background: #ffffff;
    padding: 30px;
    border: 3px solid #b20000;
    border-radius: 8px;
    margin-top: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  }
  .prayer-form-section h3 {
    margin-top: 0;
    font-size: 1.4rem;
    color: #b20000;
    border-bottom: 2px solid #b20000;
    padding-bottom: 10px;
    margin-bottom: 25px;
  }
  .required {
    color: #fff;
    background-color: #b20000;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 8px;
    vertical-align: middle;
    font-weight: normal;
  }

  /* 次回開催日の強調表示スタイル */
  .highlight-date-wrapper {
    background: #fffafa;
    border: 2px solid #b20000;
    border-radius: 8px;
    padding: 20px 15px;
    text-align: center;
    margin: 15px 0 25px 0;
    box-shadow: 0 4px 10px rgba(178,0,0,0.1);
  }
  .highlight-date-wrapper .date-label {
    font-weight: bold;
    color: #666;
    font-size: 1rem;
    margin-bottom: 8px;
    display: block;
  }
  .highlight-date-wrapper .date-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: #b20000;
    letter-spacing: 0.05em;
  }

  /* 共通の行レイアウト */
  .form-row {
    display: flex;
    align-items: center;
    border-bottom: 1px dashed #e0e0e0;
    padding: 20px 0;
  }
  .form-row:first-of-type {
    padding-top: 0;
  }
  .form-label {
    width: 180px;
    font-weight: bold;
    color: #333;
    flex-shrink: 0;
  }
  .form-input {
    flex-grow: 1;
  }
  .form-input input[type="text"],
  .form-input input[type="tel"],
  .form-input input[type="email"] {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    box-sizing: border-box;
    background-color: #fafafa;
    transition: border-color 0.3s, background-color 0.3s;
  }
  .form-input input:focus {
    border-color: #b20000;
    background-color: #fff;
    outline: none;
  }

  .half-row-container { display: flex; justify-content: space-between; gap: 30px; }
  .half-row { display: flex; align-items: center; flex: 1; }
  .half-row .form-label { width: 90px; }

  .vehicle-inline { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
  .radio-group { display: flex; gap: 15px; flex-wrap: wrap; }
  .radio-group label { cursor: pointer; color: #333; display: flex; align-items: center; gap: 5px; font-weight: normal; }
  
  .number-input-group { display: flex; align-items: center; gap: 10px; flex-grow: 1; }
  .number-label { font-weight: bold; color: #555; white-space: nowrap; }

  .btn-area-left { margin-top: 15px; text-align: left; }
  .btn-add-vehicle {
    background: #f0f0f0; color: #333; border: 1px solid #d0d0d0;
    padding: 8px 20px; border-radius: 20px; cursor: pointer; font-size: 0.9rem; transition: all 0.3s;
  }
  .btn-add-vehicle:hover { background: #e0e0e0; }
  
  .submit-btn-wrapper { text-align: center; margin-top: 40px; }
  .btn-submit {
    background: #b20000; color: #fff; border: none; padding: 16px 60px;
    font-size: 1.1rem; font-weight: bold; border-radius: 30px; cursor: pointer;
    box-shadow: 0 4px 10px rgba(178,0,0,0.3); transition: background 0.3s, transform 0.1s;
  }
  .btn-submit:hover { background: #8c0000; transform: translateY(-2px); }

  /* 合計金額表示用 */
  .fee-calc-row {
    background-color: #fffafa; border: 2px solid #b20000; border-radius: 8px;
    padding: 20px 15px; margin-top: 30px; display: flex; justify-content: space-between; align-items: center;
  }
  .fee-calc-row .fee-label { color: #b20000; font-size: 1.2rem; font-weight: bold; }
  .fee-calc-row .fee-value { font-size: 2rem; font-weight: bold; color: #b20000; }

  @media screen and (max-width: 768px) {
    .highlight-date-wrapper .date-value { font-size: 1.4rem; }
    .form-row, .half-row-container, .half-row { flex-direction: column; align-items: flex-start; }
    .half-row-container { gap: 15px; }
    .form-label, .half-row .form-label { width: 100%; margin-bottom: 8px; }
    .form-input { width: 100%; }
    .vehicle-inline { flex-direction: column; align-items: flex-start; gap: 10px; }
    .number-input-group { width: 100%; flex-direction: column; align-items: flex-start; gap: 5px; }
    .fee-calc-row { flex-direction: column; text-align: center; gap: 10px; }
  }