@media screen and (max-width: 767px) {
  #ag_main_section {
    padding: 100px 0 0 0;
    background-image: none;
  }
  #ag_main_section .main_section-container {
    width: 280px;
    text-align: center;
  }
  #ag_main_section .main_section-container .div-flex-end .title {
    font-size: 28px;
    line-height: 38px;
    letter-spacing: 0.23px;
    margin-bottom: 20px;
  }
  #ag_main_section .main_section-container .div-flex-end .post-content {
    font-size: 16px;
    line-height: 28px;
    letter-spacing: 0.13px;
  }
  #ag_main_section .main_section-container .orange-button-div {
    display: block;
    margin-top: 40px;
  }
  #ag_main_section .main_section-container.with_video {
    width: 100%;
  }
  #ag_main_section .main_section-container.with_video .div-flex-end {
    width: 280px;
    margin: 0 auto;
  }
  #ag_main_section .main_section-container.with_video #header_video_container {
    max-width: 720px;
    height: 0;
    margin: 30px 0 40px;
    width: 100%;
    border-radius: 0;
    padding-bottom: 64.4444444444%;
  }
  #ag_main_section .main_section-container.with_video #header_video_container video {
    width: 100%;
    height: auto;
  }
  #ag_main_section .main-right-side {
    display: none;
  }
}