/* セキュリティページのCSS */
  .introduction{
    padding: 15px 0 50px;
  }
  .plan_des{
       font-weight: 700; 
       padding: 10px 0 20px;
  }

  .security-title{
    font-size: 28px;
  }

  .security-des{
    padding-bottom: 30px;
  }

  .strength-wrapper:nth-child(odd) {
        background-color: #f3f4f5;
  }

  .strength {
    max-width: 1000px;
    padding: 60px 0;
    margin: 0 auto;
  }

  .title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
  }

  .title span {
    background: linear-gradient(transparent 60%, #D5ECFF 40%);
  }

  .detail {
    display: flex;
    justify-content: space-between;
    width: 80%;
    margin: 20px auto 0;
  }

  .sentence {
    width: 70%;
  }

  .image-wrapper {
    display: flex;
    align-items: center;
    width: 200px;
    height: auto;
  }

  .security-page img {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
  }

  .iso-image-wrapper{
    width: 200px;
  }

  .iso-image-wrapper img:last-child{
    width: 60%;
    padding-top: 30px;
  }

  img.encode-pc {
    width: 120px;
    height: auto;
  }

  img.encode-sp {
    display: none;
  }

  .other-strength {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px 20px;
    max-width: 1000px;
    padding: 60px 0;
    margin: 0 auto;
  }

  .list {
    width: 460px;
    padding-left: 20px;
  }

  .list-title {
    display: flex;
    justify-content: left;
  }

  .list-title p {
    padding-top: 13px;
    margin-left: 15px;
    font-weight: 700;
  }

  .icon {
    width: 50px;
    height: 50px;
  }

  .list-description {
    margin-top: 10px;
    font-size: 14px;
    line-height: 24px;
  }

  .supplement{
    text-align: center;
  }

  .supplement a{
    color: #77C2FD;
    font-weight: 700;
  }

  .pc-br {
    display: block;
  }

  .sp-br {
    display: none;
  }

  @media screen and (max-width: 1150px) {
    .image-wrapper.iso-image-wrapper{
        flex-flow: row;
        gap: 30px;
        margin: 0;
    }
    .iso-image-wrapper{
        width: 100%;
        display: flex;
        justify-content: center;
    }
    .iso-image-wrapper img{
        display: block;
        height: 115px;
        width: auto;
        margin: 0 20px;
    }
    .iso-image-wrapper img:last-child{
        width: auto;
        height: 115px;
        padding-top: 0;
    }
    .strength {
      padding: 60px 15px;
    }
    .detail {
      flex-flow: column-reverse;
      gap: 20px;
      width: 93%;
    }

    .image-wrapper {
      margin: 0 auto;

    }

    img.encode-pc {
      display: none;
    }

    img.encode-sp {
      display: block;
      max-width: 230px;
      height: auto;
    }

    .sentence {
      width: 100%;
    }

    .other-strength {
      grid-template-columns: 1fr;
      gap: 40px 20px;
      padding: 60px 0;
      margin: 0 auto;
    }

    .list {
      width: 90%;
      margin: 0 auto;
      padding-left: 0;
    }

    .pc-br {
      display: none;
    }

    .sp-br {
      display: block;
    }
  }

  @media screen and (max-width: 600px) {
    .introduction{
        padding: 0;
    }
    .security-title {
      font-size: 24px;
      line-height: 38px;
    }
    .security-des {
      font-size: 16px;
      text-align: center;
    }
    .strength {
      padding: 30px 15px;
    }
    .iso-image-wrapper img{
        margin: 0 10px;
    }
    .detail {
      width: 95%;
      margin-top: 30px;
    }
    .title {
      font-size: 20px;
    }
    .sentence {
      width: 100%;
      font-size: 16px;
    }
    .image-wrapper {
      width: 50%;
      height: auto;
    }
    .other-strength {
      padding: 30px 0;
    }
    .list-description {
      margin-top: 3px;
    }
  }