@media screen and (max-width: 1600px) {
  .w1600 {
    width: 100%;
  }
  #intro-wrap {
    flex-direction: column;
    height: auto;
  }
  #infix-logo {
    transform-origin: center;
  }
  #intro-text-wrap {
    gap: 20px;
    text-align: center;
  }
  #intro-text-wrap p {
    font-size: 48px;
  }
  #intro-text p:first-child {
    font-size: 32px;
  }
  #intro-text p:last-child {
    font-size: 24px;
  }
}
@media screen and (max-width: 1020px) {
  #contact-wrap {
    gap: 40px;
  }
  #foot-wrap {
    flex-direction: column;
    gap: 40px;
  }
  #foot-wrap ul {
    order: 2;
  }
  #foot-logo {
    height: 280px;
  }
}
@media screen and (max-width: 980px) {
  #intro-text-wrap p, h2 {
    font-size: 40px;
  }
  #intro-text p:first-child {
    font-size: 28px;
  }
  #intro-text p:last-child {
    font-size: 20px;
  }
}