body {
    background-color: rgb(120, 231, 231);
    background-size: cover;
  }

  /*トップページ*/
 div #mainvisual a img{
    width: 360px;
    margin: 20px 7px;
  }

  /*クイズ部分*/
  .question-area {
    position: relative;
    display: inline-block;
    margin: 2rem 0em;
    padding: 7px 10px 7px 10px;
    color: #555;
    font-size: 16px;
    background: #f0b0d2;
  }
  
  .question-area:before {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -120px;
    border: 15px solid transparent;
    border-top: 15px solid #f0b0d2;
  }
  
  .question-area p {
    margin: 0;
    padding: 0;
  }

  .image {
    display: flex;
    text-align: center;
    justify-content: space-between;
  }
  
  .image-container {
    width: 50%;
    text-align: center;
  }
  .question-area {
    display: flex;
    padding:60px 10px 80px 10px;
  }
  
  .image-container1 {
    width: 50%;
  }
  .image-container2 {
    width: 50%;
  }
  .answer-area {
    position: relative;
    display: inline-block;
    margin: 1.5em 0;
    padding: 7px 10px 7px 0px;
    color: #555;
    font-size: 16px;
    background: #f0b0d2;
    list-style-type: none;
    max-width: 375px;
  }
  
  .answer-area:before {
    content: "";
    position: absolute;
    top: -30px;
    left: 100%;
    margin-left: -50px;
    border: 15px solid transparent;
    border-bottom: 15px solid #f0b0d2;
  }
  
  .answer-area p {
    margin: 0;
    padding: 0;
    list-style-type: none;
  }  
  .answer-text {
list-style-type: none;
font-size: 2em;
}
    body {
      width: 375px; /* スマホ画面の幅 */
      margin: 0 auto;
    }

    .center-image {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 9999;
    }


footer {
  text-align: center;
}