main {
  text-align: center;
  background: rgba(252, 229, 124, 0.874);
  width: 80%;
  margin: 120px auto;
  padding: 80px 0;
  border-radius: 50%;
}

h2 {
  font-size: 3.3rem;
  margin-bottom: 40px;
}

h3 {
  font-size: 2.8rem;
  border-bottom: 5px solid rgb(83, 82, 82);
  border-radius: 40%;
  width: 40%;
  margin: 80px auto 0;
}

p {
  font-size: 1.5rem;
  line-height: 1.3;
}

#wrapper nav {
  background:  rgba(255, 121, 88, 0.9);
}

#wrapper .btn-gnavi span {
  background: rgba(255, 121, 88);
}

@media screen and (max-width:600px) {
  h2 {
    margin-left: 5%;
    font-size: 3rem;
  }

  main {
    width: 150%;
    margin: 120px 0 0 20%;
    padding: 50px 0;
  }

  h3 {
    font-size: 1.5rem;
    border-bottom: 5px solid rgb(83, 82, 82);
    border-radius: 40%;
    width: 80%;
    margin: 80px auto 0;
  }
  
  p {
    font-size: 1rem;
  }
}