.security-sign-contents {
  padding: 5% 10%;

  h2 {
    font-size: 2vw;
  }
  .security-sign-content-img {
    width: 100%;
    img {
      width: 100%;
      height: auto;
    }
  }
}
@media screen and (max-width: 769px) {
  .fv2-titleBox {
    width: 85%;
  }
  .security-sign-contents {
    padding: 5% 3%;

    h2 {
      font-size: 4vw;
    }
    .security-sign-content-img {
      width: 100%;
      img {
        width: 100%;
        height: auto;
      }
    }
  }
}