@media screen and (max-width: 1200px) and (min-width:0px) {
  .boxSlide1 .textBox h1 {
    font-size: 36px;
  }

  .boxSlide1 .textBox p {
    font-size: 18px;
  }

  .box_1200 {
    width: 100vw;
  }

  .textLeftBox {
    width: 30vw;
  }
}