*,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    font-size: 62.5%;
    -webkit-text-size-adjust: 100%;
  }

  body {
    margin: 0;
    padding: 0;
    background: #fff;
    color: #333;
    font-family: "メイリオ", Meiryo, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
  }

  img {
    border: 0;
    vertical-align: top;
    max-width: 100%;
    height: auto;
  }

  a {
    color: #4d4d4d;
  }

  /* ---- layout ---- */
  .page {
    min-height: 100vh;
    background: #fff;
  }

  .site-header {
    height: 93px;
    border-bottom: 5px solid #dce3ee;
    background: #fff;
  }

  .site-header__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2.34%;
  }

  .site-header__logo {
    display: inline-block;
    width: 136px;
    margin-top: 26px;
  }

  .site-header__logo img {
    width: 100%;
    height: auto;
  }

  .site-main {
    padding: 40px 0;
    background: #fff;
  }

  .content {
    width: 100%;
    max-width: 1066px;
    margin: 0 auto;
    padding: 0 16px;
  }

  /* ---- typography ---- */
  .page-title {
    margin: 0 0 20px;
    padding: 0;
    font-size: 2.4rem;
    font-weight: normal;
    line-height: 1.4;
    color: #333;
  }

  .lead {
    margin: 0 0 30px;
    font-size: 1.6rem;
    line-height: 1.6;
  }

  .section-title {
    margin: 0 0 30px;
    padding: 0;
    font-size: 2rem;
    font-weight: normal;
    line-height: 1.4;
    color: #333;
  }

  .article-title {
    margin: 0 0 15px;
    padding: 0;
    font-size: 2.2rem;
    font-weight: bold;
    line-height: 1.4;
    color: #333;
  }

  .body-text {
    margin: 0 0 50px;
    font-size: 1.5rem;
    line-height: 1.6;
    word-break: break-word;
  }

  .terms-block {
    margin: 0 0 30px;
    padding-left: 2em;
  }

  .terms-block .body-text {
    margin-bottom: 0;
  }

  .terms-list {
    margin: 0 0 10px;
    padding: 0;
    display: table;
    width: 100%;
  }

  .terms-list__num,
  .terms-list__text {
    display: table-cell;
    vertical-align: top;
    font-size: 1.5rem;
    line-height: 1.66;
  }

  .terms-list__num {
    width: 37px;
  }

  .terms-end {
    margin: 0;
    text-align: right;
    font-size: 1.5rem;
    line-height: 1.6;
  }

  /* ---- agree ---- */
  .agree {
    margin-top: 40px;
  }

  .agree__note {
    margin: 0 0 30px;
    text-align: center;
    font-size: 1.6rem;
    line-height: 1.6;
  }

  .agree__btn {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #003185;
    text-align: center;
    padding: 12px 10px 8px;
    color: #fff;
    font-weight: bold;
    font-size: 2rem;
    line-height: 1.4;
    cursor: pointer;
    user-select: none;
  }

  .agree__btn.is-disabled {
    background: #b5b5b5;
    color: #333;
    cursor: default;
  }

  .agree__error {
    display: none;
    margin: 12px 0 0;
    text-align: center;
    color: #b10000;
    font-size: 1.4rem;
    line-height: 1.5;
  }

  .agree__error.is-visible {
    display: block;
  }

  /* ---- footer ---- */
  .site-footer {
    height: 102px;
    background: #3b3b3b;
    color: #fff;
    text-align: center;
  }

  .site-footer__copy {
    margin: 0;
    padding: 40px 0 0;
    font-size: 1.4rem;
    line-height: 1.4;
  }

  /* ---- mobile ---- */
  @media screen and (max-width: 767px) {
    .site-header {
      height: 70px;
      border-bottom-width: 3px;
    }

    .site-header__logo {
      width: 110px;
      margin-top: 18px;
    }

    .site-main {
      padding: 40px 0;
    }

    .page-title {
      font-size: 2rem;
      margin-bottom: 15px;
    }

    .lead,
    .agree__note {
      margin-bottom: 20px;
      font-size: 1.5rem;
    }

    .section-title {
      font-size: 1.8rem;
      margin-bottom: 20px;
    }

    .article-title {
      font-size: 1.8rem;
    }

    .body-text,
    .terms-list__num,
    .terms-list__text,
    .terms-end {
      font-size: 1.4rem;
    }

    .body-text {
      margin-bottom: 25px;
    }

    .terms-block {
      padding-left: 1em;
      margin-bottom: 20px;
    }

    .agree__btn {
      font-size: 1.6rem;
    }

    .site-footer {
      height: 80px;
    }

    .site-footer__copy {
      padding-top: 30px;
      font-size: 1.2rem;
    }