.cio-store-login-page-stamp-wrapper {
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
      width: 100%;
    }

    .cio-store-login-page-stamp-wrapper picture {
      display: flex;
      justify-content: center;
    }

    .cio-store-login-page-stamp-wrapper img {
      margin-top: 20px;
      max-width: 100%;
      height: auto;
    }

    .cio-store-login-page-guidance {
      color: purple;
      font-weight: 600;
      /* 少し太め */
      letter-spacing: -0.5px;
      /* 文字のピッチを狭める */
      line-height: 0.5;
      /* 行間を狭める */
      text-align: center;
      margin-top: 1em;
    }