body {
    padding-top: 40px; /* ヘッダーの高さ分の余白をいれ、うしろの要素が隠れないようにする */
    background-color: #030531;
}
a{
    text-decoration: none;
}
.fadeIn{
    animation-name:fadeInAnime;
    animation-duration:1s;
    animation-fill-mode:forwards;
    opacity:0;
}
    
@keyframes fadeInAnime{
  from {
    opacity: 0;
  }
 
  to {
    opacity: 1;
  }
}

header {
    position: fixed;
    width: 100%; 
    height: 40px; 
    background: #015c07; 
    padding: 20px 60px; 
    box-sizing: border-box;
    top: 0; 
    left: 0; 
    display: flex; 
    align-items: center; 
    display: flex; 
    justify-content:space-between;
    z-index: 1;
}

header .nav .menu {
    display: flex; 
}

header .nav .menu li {
    list-style: none; 
    margin-left: 40px;
}

header .nav .menu li a{
   color: #e4f0a0;
   text-shadow: 0 00 2px #000;
   font-weight:bold;
   text-decoration: none;
}
header h1{
    font-size: 20px;
    color: #fff;
}

#Top{
    position: relative;
    height: 100vh;
} 

#video-area{
    position: fixed;
    z-index: -1;
    top: 0;
    right:0;
    left:0;
    bottom:0;
    overflow: hidden;
}

#Top-Video {
    position: absolute;
    z-index: -1;
    width: 177.77777778vh;
    height: 56.25vw;
    min-height: 100%;
    min-width: 100%;
    opacity: 50%;
}

#Top h1{
    position:absolute;
    top: 37%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
    color:#ffffff;
    background-color: #2b44a0;
    text-shadow: 0 1 50px #fff;
    font-size: 100px;
    border-radius: 10px;
    z-index: 0;
}


.fadeLeft{
    animation-name:fadeLeftAnime;
    animation-duration:0.5s;
    animation-fill-mode:forwards;
    opacity:0;
    }
    
    @keyframes fadeLeftAnime{
      from {
        opacity: 0;
        transform: translateX(-100px);
      }
    
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }
.content{
    color: #fff;
    padding-top: 100px;
}
#what{
    text-align: center;
}
#what h1{
    font-size: 50px;
}
#link{
    padding-top: 30px;
    text-align: center;
    padding-bottom: 300px;
}
#btn-2{
    text-align:  center;   
    color: #fff;  
    background-color: #836503;
    width: 330px;   
    padding: 15px;
    border-radius:  20px;
    font-size: 24px;
    box-shadow: 0 2px 10px 0 #9E9E9E;
    padding-left: 20px;
    padding-right: 20px;
    
}
#btn-1{
    text-align:  center;
    color: #fff;
    background-color: #3ec71ce6;
    width: 225px;
    padding: 15px;
    border-radius:  20px;
    font-size: 24px;
    box-shadow: 0 2px 10px 0 #9E9E9E;
    padding-left: 20px;
    padding-right: 20px;
}

footer {
    height: 40px; 
    background: #fff873; 
    padding-left: 10px;
    top: 0; 
    left: 0; 
    right: 0;
    display: flex; 
    align-items: center; 
    color: #000;
    z-index: -1;
    padding-top: 5px;
    border-radius: 5px;
    white-space: nowrap;
}

.fotter-link{
    align-items: flex-end;
    text-align:right;
    margin-left: 1040px;
}