@media screen and (max-width: 650px) {

  /* Banner */
  #banner {
    display: none;
  }

  #m_banner {
    position: relative;
  }

  #m_banner img {
    width: 100%;
  }

  #m_banner .overtext {
    position: absolute;
    margin-top: 2rem;
    margin-left: 1rem;
    font-family: Arial;
  }

  #m_banner .overtext .title {
    font-size: 1.5rem;
    color: #e31e25;
    font-weight: bold;
    margin-bottom: 5px;
  }

  #m_banner .overtext .subtitle {
    font-size: 1.1rem;
    line-height: 1.2;
    color: #424242;
    font-weight: bold;
    margin-bottom: 10px;
  }

  #m_banner .phone {
    position: absolute;
    bottom: 20px;
    left: 1rem;
    display: inline-block;
    font-size: 1.4rem;
    color: inherit;
    text-decoration: none;
  }
}

@media screen and (max-width: 320px) {

  #m_banner .overtext .title {
    font-size: 1.2rem;
  }
  #m_banner .overtext .subtitle {
    font-size: 1rem;
  }
  #m_banner .phone {
    font-size: 1.2rem;
  }

}