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;
     }
    
  }

  .contact {
    margin: 200px 0 180px;
  }

.contact .heading {
    font-size: 55px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 10px;
}
.contact h2 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 140px;
  text-align: center;
}
.contact .Form {
    margin-top: 80px;
    margin-left: auto;
    margin-right: auto;
    max-width: 720px;
    font-family: 'Noto Serif JP', serif;
	font-weight: normal;
  }

  @media screen and (max-width: 480px) {
    .Form {
      margin-top: 40px;
    }
  }
  .Form-Item {
    border-top: 1px solid #ddd;
    padding-top: 24px;
    padding-bottom: 24px;
    width: 100%;
    display: flex;
    align-items: center;
  }
  @media screen and (max-width: 480px) {
    .Form-Item {
      padding-left: 14px;
      padding-right: 14px;
      padding-top: 16px;
      padding-bottom: 16px;
      flex-wrap: wrap;
    }
  }
  .Form-Item:nth-child(5) {
    border-bottom: 1px solid #ddd;
  }
  .Form-Item-Label {
    width: 100%;
    max-width: 248px;
    letter-spacing: 0.05em;
    font-weight: bold;
    font-size: 22px;
  }
  @media screen and (max-width: 480px) {
    .Form-Item-Label {
      max-width: inherit;
      display: flex;
      align-items: center;
      font-size: 15px;
    }
  }
  .Form-Item-Label.isMsg {
    margin-top: 8px;
    margin-bottom: auto;
  }
  @media screen and (max-width: 480px) {
    .Form-Item-Label.isMsg {
      margin-top: 0;
    }
  }
  
  .Form-Item-Input {
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-left: 40px;
    padding-left: 1em;
    padding-right: 1em;
    height: 48px;
    flex: 1;
    width: 100%;
    max-width: 410px;
    background: #eaedf2;
    font-size: 18px;
  }
  @media screen and (max-width: 480px) {
    .Form-Item-Input {
      margin-left: 0;
      margin-top: 18px;
      height: 40px;
      flex: inherit;
      font-size: 15px;
    }
  }
  .Form-Item-Textarea {
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-left: 40px;
    padding-left: 1em;
    padding-right: 1em;
    height: 216px;
    flex: 1;
    width: 100%;
    max-width: 410px;
    background: #eaedf2;
    font-size: 18px;
  }
  @media screen and (max-width: 480px) {
    .Form-Item-Textarea {
      margin-top: 18px;
      margin-left: 0;
      height: 200px;
      flex: inherit;
      font-size: 15px;
    }
  }
  .Form-Btn {
    border-radius: 6px;
    margin-top: 32px;
    margin-left: auto;
    margin-right: auto;
    padding-top: 20px;
    padding-bottom: 20px;
    width: 280px;
    display: block;
    letter-spacing: 0.05em;
    background: #0e61b5;
    color: #fff;
    font-weight: bold;
    font-size: 22px;
    text-align: center;
  }
  .kozin-check {
    font-size: 22px;
    padding: 50px 0 60px;  }

  @media screen and (max-width: 480px) {
    .Form-Btn {
      margin-top: 24px;
      padding-top: 8px;
      padding-bottom: 8px;
      width: 160px;
      font-size: 16px;
    }
  }

  
.kozin-check {
    text-align: center;
    margin: 10px;
  }
  input + label{
    text-align: center;
    width: 600px;
  }
  
  #interlock{
    pointer-events: none;
  }
  
 #interlock {
    pointer-events: auto;
  }
  @media screen and (max-width:767px)  { 
  input + label{
  width: 100%;
  }
}

@media screen and (max-width: 767px) {

  .contact .container {
    width: 250px;
  }
  .contact .heading {
    font-size: 24px;   
  }
  .contact h2{
    font-size: 12px;
  }
  .contact .Form  p {
    font-size: 12px;

  }
  .kozin-check {
    font-size: 13px;
    padding: 30px 0 40px;
  }
}



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;
   }
    
   
    
  }
}