body {
    font-family: 'Noto Serif JP', serif;
    overflow-x: hidden;
    height: 100%;
  }
  .container {
    width: 100%;
    margin: 0 auto;
  }
  
  
  #header {
  background:#fff;
    box-shadow: 0 2px 8px rgba(30,30,80,.3);
    width: 100%;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    padding:1rem;
    z-index: 100;
  }
  
  
  .logo img {
    margin-left: 30px;
  }
  
  #header .active {
    background-color: aqua;
  }
  
  #hmb {
    width: 40px;
    height: 26px;
    cursor: pointer;
    position: relative;
    padding-right: 80px;
    z-index: 30;
  }
  #hmb span {
    width: 32px;
    height: 3px;
    display: block;
    background-color: #000000;
    border-radius: 2px;
    position: absolute;
    transition: .2s;
  }
  #hmb span:first-child {top: 0;}
  #hmb span:nth-child(2) {top: 12px;}
  #hmb span:last-child {top: 24px;}
  nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: aliceblue;
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition-property: all;
    transition-duration: .2s;
  }
  nav ul li a {
    display: block;
    line-height: 80px;
    font-size: 20px;
    text-align: left;
    border-bottom: 1px solid #646566;
  }
  
  .active #hmb span:first-child{
    top: 12px;
    transform: rotate(45deg);
  }
  .active #hmb span:nth-child(2) {
    opacity: 0;
  } 
  .active #hmb span:last-child {
    top: 12px;
    transform: rotate(-45deg);
  }
  .active nav {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }
  .active::before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    background-color: rgb(0, 0, 0);
    width: 100vw;
    height: 100vh;
    opacity: 0.4;
    z-index: 10;
  }
  
  @media screen and (max-width: 767px) {
  .logo img {
       width: 50px;
       height: 50px;
     }
     nav {
      width: 60%;
       }
    nav ul li a {
      font-size: 15px;
      line-height: 60px;
       }
       .social-list {
        zoom: 2;
         }
    }

    .section {
        background-image: url('../imgs/cloud.png');
        background-size: cover;
        background-position: center;
    }
    .container {
        width: 90%;
        height: 100vh;
        max-width: 1140px;
        text-align: center;
        
    }
    .heading {
        font-size: 65px;
        font-weight: bold;
        color: #ffffff;
        letter-spacing: 1px;
        padding-top: 32%;
        margin-bottom: 40px;
        text-shadow: -5px 5px 3px #343a41;
    }
    h1 {
        font-size: 25px;
        color: #ffffff;
        text-shadow: -3px 3px 3px #343a41;
        font-weight: bold;
        letter-spacing: 1px;
        }

        .contact-button {
            position: relative;
              text-decoration: none;
              display: inline-block;
              background: transparent;
              border-radius: 25px;
              border: solid 1.5px #fff;
              outline: none;
             bottom: -45px;
             transition: all 0.2s ease;
          }
          .contact-button:hover {
            border-color:transparent;	
          }
          .contact-button span {
            font-size: 22px;
            position: relative;
              z-index: 2;
              display: block;
            padding: 15px 35px;
              background:#6baaeb;
              border-radius: 25px;
              color:#fff;
            transition: all 0.3s ease;
          }
          .contact-button:before {
            content:"";
            position: absolute;
          z-index: -1;
            top:4px;
            left:0;
            width: 100%;
            height: 100%;
          border-radius: 25px;
            background-color: #000000;
            opacity: 0.7;
          }
          .contact-button:hover span {
              background-color: #0e61b5;
              color: #fff;
              transform: translateY(4px);
          }

@media screen and (max-width: 767px) {
    .container {
        height: 80vh;
    }
    .heading {
        font-size: 40px;
        padding-top: 70%;
    }
    h1 {
        font-size: 16px;
    }
    .contact-button span {
        font-size: 14px;

    }
}

footer {
  padding: 40px 50px;
  font-size: 20px;
  background-color: #ddd;
  text-align: center;

}
.footer-main {
  padding-bottom: 20px;
  margin-bottom: 30px;
  
  }
.footer-logo {
margin-bottom: 40px;
font-size: 32px;
}

.footer-main li {
a{
  padding: 10px;
  display: block;
  color:#000000;
  font-weight: 300;
}
}
.copyright {
      margin-top: 20px;
      text-align: center;
      
      }
  
  @media screen and (max-width: 768px) {
    li {
      a {
        margin: 0;

    }
    }
    .footer-logo {
      font-size: 10px;
    }

  .footer-logo img {
    width: 80px;
    height: 80px
  }
    
    
    .copyright {
      font-size: 9px;
    }
  }
  @media screen and (max-width: 480px) {
    footer {
      padding: 15px 0 20px;
    }
    .footer-main {
      margin-bottom: 0;
    }    
  
    
    .footer-logo {
      margin: 15px 0;
      font-size: 22px;
    }

  .footer-logo img {
    width: 60px;
    height: 60px
  }
  .footer-main li {
    a{
       padding: 5px;
       display: block;
       color:#000000;
       font-size: 12px;
   }
    
    
  }
}