body {
    background-color: #F4F6F6;
  }
  .sec {
    width: auto;
    padding: 0 20px;
  }
  .pageSubTitle {
    font-size: 0.875rem;
    line-height: 1.75;
    font-weight: 900;
    font-style: normal;
    position: relative;
  }
  .pageSubTitle::after {
    content: "";
    display: block;
    width: 74.6px;
    height: 2px;
    margin: 0 auto;
    margin-top: 35.2px;
  }
  .pageSubTitle > span {
    display: block;
    font-size: 0.875rem;
    line-height: 1.75;
    font-weight: 400;
    font-style: normal;
    margin-top: 5px;
  }
  .pageSubTitle--center {
    
  }
  
  /* FAQパーツ */
  .pageSubTitle2 {
    font-size: 1rem;
    width:82%;
    line-height: 1.6;
    font-weight: 600;
    font-style: normal;
    color: #FFF;
    text-align: left;
  }
  .contentText {
    font-size: 0.875rem;
    line-height: 1.7;
    font-weight: 400;
    font-style: normal;
    color: #666;
    margin:0;
  }
  .qa {
    padding-top: 180px;
    padding-bottom: 278px;
  }
  .qa__box {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 10;
  }
  .qa__box > dl > dt {
    border-radius: 4px;
    background: #8ac3c9;
    display: flex;
    align-items: left;
    padding: 10px 20px;
    position: relative;
  }
  .qa__box > dl > dt .crossBar {
    width: 16px;
    height: 16px;
    position: absolute;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
  }
  .qa__box > dl > dt .crossBar::before {
    content: "";
    display: inline-block;
    width: 1.6px;
    height: 100%;
    background-color: #FFF;
    position: absolute;
    top: 0;
    left: 50%;
    transform-origin: center center; /* 中心を基準にtransform */
    transform: translateX(-50%) rotate(0deg);
    transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
  }
  .qa__box > dl > dt .crossBar::after {
    content: "";
    display: inline-block;
    width: 100%;
    height: 1.6px;
    background-color: #FFF;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
  }
  .qa__box > dl > dt > span {
    font-size: 1.2rem;
    line-height: 1.3;
    font-weight: 500;
    font-style: normalbold;
    color: #FFF;
    margin-right: 23px;
  }
  
  .qa__box > dl > dd {
    margin: 0;
    background-color: #fff;
    border-radius: 4px;
    display: flex;
    align-items: left;
    margin-bottom: 16px;
    padding: 0px 20px; /* paddingの上下を0にする */
    max-height: 0; /* max-heightを0にする、レスポンシブ対応 */
    overflow: hidden;  /* overflow: hidden;を付けるのがポイント */
    transition: all 0.8s cubic-bezier(0.19, 1, 0.22, 1);
    text-align:left;
  }
  .qa__box > dl > dd > span {
    font-size: 1.2rem;
    line-height: 1.2;
    font-weight: 500;
    font-style: normal;
    color: #8ac3c9;
    margin-right: 23px;
  }
  
  
  /* アニメーション後のスタイル */
  .qa__box > dl > dd.is-open { /* heightとpaddingをアニメーション */
    padding: 10px 20px 20px 20px;
    min-height:40px;
    max-height:400px;
  }
  /* プラスボタンのアニメーション */
  .qa__box > dl > dt.is-open .crossBar::before {
    transform: translateX(-50%) rotate(90deg);  /* 90度回転 */
  }