body{
  text-align: center;
  font-family: 'Kiwi Maru', serif;
  margin: auto;
}
.top-button{
  transition: .3s;
}
.top-button:hover {
  animation: pulsation .7s alternate infinite;
}

@keyframes pulsation {
  0% { transform: scale(1); }
  50% { transform: scale(0.9); }
  100% { transform: scale(1.1); }
}

h4{
  color: #966F33;
}


/*　スマホ用CSSここから　*/

 @media screen and (max-width:480px){

.logo{
  width:350px;
  position:center;
}
body{
  width:800px;
    min-height: 100vh;
  text-align:center;
}