*  {
    box-sizing: border-box;
}

main {
    margin: 0;
    padding: 150px;
    text-align: center;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #ffffff;
  }
  
.fadeIn {
    animation-name: fadeInAnime;
    animation-duration:5s;
    animation-fill-mode:forwards;
    opacity: 0;
    }
    
@keyframes fadeInAnime{
      0% {
        opacity: 0;
      }
    
      100% {
        opacity: 1;
      }
    }

    h1{
      padding-left:50px; 
    }
    h2{
      font-size: 50px;
    }
    h3{
      font-size: 35px;
    }
    
li{
  font-size: 25px;
}
div{
  font-size: 20px;
}

a:hover {
  color: #ddd;
}

  /*======ヘッダー=======*/

  #header{
    /*fixedで上部固定*/
  position: fixed;
  height: 70px;
  width:100%;
    z-index: 999;/*最前面へ*/
  display: flex;
  justify-content: space-between;
  align-items: center;
  background:white;
  color:#000000;
  text-align: center;
  padding: 20px;
  font-family: "le-havre", sans-serif;
  font-weight: 700;
  font-style: italic;
  
  
  font-size: 20px;

  }
  
  /*　上に上がる　*/
  #header.UpMove{
  animation: UpAnime 0.5s forwards;
  }
  
  @keyframes UpAnime{
  from {
    opacity: 1;
  transform: translateY(0);
  }
  to {
    opacity: 0;
  transform: translateY(-100px);
  }
  }
  
  /*　下に下がる　*/
  
  #header.DownMove{
  animation: DownAnime 0.5s forwards;
  }
  @keyframes DownAnime{
  from {
    opacity: 0;
  transform: translateY(-100px);
  }
  to {
    opacity: 1;
  transform: translateY(-10px);
  }
  }
  
    
  nav ul{
  list-style: none;
  display: flex;
  justify-content: center;
  }
  
  nav ul li a{
  text-decoration: none;
  color: #666;
  padding: 50px;
  padding-right: 75px;
  }

.left{
  padding-left: 35px;
}

/*--矢印--*/
.scroll {
  display: inline-block;
  padding-top: 70px;
  position: relative;
}
.scroll::before {
  animation: scroll 3.5s infinite;
  border: solid #000;
  border-width: 0 0 1px 1px;
  content: "";
  display: inline-block;
  margin: auto;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  transform: rotate(-45deg);
  width: 20px;
  height: 20px;
}
@keyframes scroll {
  0% {
  transform: rotate(-45deg) translate(0, 0);
  }
  80% {
  transform: rotate(-45deg) translate(-30px, 30px);
  }
  0%, 80%, 100% {
  opacity: 0;
  }
  40% {
  opacity: 1;
  }
}



div{
  padding-top: 100px;
}
footer {
    text-align: center;
    color: rgb(0, 0, 0);
    padding: 2em;
    padding-top: 500px;
    font-family: "le-havre", sans-serif;
    font-weight: 700;
    font-style: italic;
    font-size:15px;

    }