.kv {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.kv-logo {
  width: 60%;
  margin: 5rem auto 1.5rem;
}

.kv h1 {
  font-size: 6rem;
  font-weight: 900;
  letter-spacing: 1rem;
  margin-right: -1rem;
}

.kv h4 {
  font-weight: 300;
  letter-spacing: 0.3rem;
  margin-right: -0.3rem
}

.kv h2 {
  font-size: 2.5rem;
  letter-spacing: 0.2rem;
  margin-right: -0.2rem;
}

.deco {
  position: absolute;
  z-index: -1;
}

.deco img {
  display: block;
  width: 100%;
}

.deco1 {
  right: 0;
  top: -3rem;
}

.deco1 img {
  width: 700px;
}

.deco2 {
  left: 0;
  bottom: 0;
}

.deco3 {
  right: 0;
  top: 0
}

.deco4 {
  right: 0;
  top: 0;
  width: 25%;
}

@media (max-width:576px) {

  .kv-logo {
    width: 90%;
  }

  .deco1 {
    top: 6.5rem;
  }

  .deco1 img {
    width: 350px;
  }

  .kv h1 {
    font-size: 55px;
  }

  .kv h2 {
    font-size: 25px;
  }

  .kv h4 {
    font-size: 20px;
    letter-spacing: 0.1rem;
  }

  .deco3 {
    width: 40%;
  }
}