@media (max-width:670px){

    *{
        box-sizing: border-box;
        font-family: sans-serif;
      }

    body {
        margin: 0;
        display: flex;
        flex-flow: column;
        min-height: 100vh;
      }
      main {
        background: #ffffff;
        flex: 1;
      }
      
      
      
      /*header開始*/
    header {
            height: 80px;
            width: 100%;
            background-color:black;     
          }
            
          .header-left {
            float: left;
          }
          .logo {
             height: 60px;
             margin: 9px 0 0 5px;
             position:relative;
          } 
          .font{
            height: 40px;
            margin: 10px 0 0 0;
          }
          .SEI{ margin-left:-9px; }
          .FO{ margin-left:-10px; }
          .OT{ margin-left:-10px; }
          .BA{ margin-left:-10px; }
          .LL{ margin-left:-10px; }
          .CL{ margin-left:-11px; }
          .UB{ margin-left:-11px; }
      
      
        .header-center{
            color: white;
            float: left;
            font-size: 35px;
            margin: 0 10px 0 10px;
            line-height: 35px;
            font-family: serif;
        }
        .header-center-second{
          color:  rgb(219,186,133);
          font-family:Impact,'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
          font-size: 15px;
          padding: 40px 0 0 0;
          float: left;
          position:absolute;
          left:76px;
        }
        /*header終了*/  
          
          .link-list{
            height:1px;
            width:100%; 
            background-color: white;   
          }
          .link {
            display:none;
          }
         
          .btn{
            display:none;
          } 

           /*ココから*/
           .menu-icon{
            display: block;
          }
          .openbtn{
            display: block;
          }
          /*ココまで*/
      
        /*メニューバーのカーソルモーション*/
        .link:hover{
          font-weight: bold;
        }  
        .btn:hover{
          opacity:0.5;
        }
      
       /*~~~~~~~ココから作成~~~~~~~~*/  
    
        .top-wrapper{
          margin-top:0px;
          height: 70px;     
          background-color:black; 
          color:white;
          text-align: center;
        }
       
        .top-wrapper h{
            display: block;
            line-height: 70px;
            color:rgb(219,186,133);
            font-family:  'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
            font-weight: bold;
            font-size:25px;
          }
        
          .second-wrapper{
            display:none;
          }

          .second-wrapper-responsive{
            display:block;
          }
          .second-wrapper-responsive img{
            width:100%;
          }
    
          .photo-wrapper{
            display: none;
          }
          .photo-wrapper img{
            display: none;
          }      
    
          .third-wrapper{
            width: 100%;
            background-image: url(サブページ背景.png);
          }
          
          .center-wrapper{
            width: 80%;
            margin: 30px 10%;
            background-color:rgba(221, 221, 221,0.5);
            padding:0 0 20px 0;
          }
      
          .text-box{
            width:74%;
            height: 100%;
            margin: 0 13%;
            padding-top: 30px;
          }
      
          .text-box p{
            font-size: 15px;
          }
      
          .target{
            color: rgb(89, 26, 147);
            font-weight: bolder;
            text-decoration: underline;
            font-size: 15px;
            line-height: 20px;
          }
      
          .text-box2{
            background-color:rgb(255,255,255,0.9);
            width: 100%;
            margin:0 0;
            text-align: left;
            padding:0 0 10px 0;
          }

          .text-box2 p{
            font-size: 13px;
          }
      
          .icon{
            font-size: 40px;
            margin:5px 20px;
            color: rgb(89, 26, 147);
            line-height: 50px;
        }
      
          .contact{
 
            font-size: 10px;
            line-height: 15px;
          }
      

          footer {
            background: black;
            color:rgb(219,186,133);
            position:relative;
            padding-bottom: 100px;
          }
          .footer-list{
            display: none;
          }
          .footer-list-respomsive{
            display: block;
          }
          .final-logo{
            width:120px;
            margin-top:50px;
          }
          .footer-heading-container{
            width:100%;
            text-align: center;
          }
          .footer-heading {
            color:rgb(219,186,133);
            text-align: left;
            width:40%;   
            display: inline-block;
            vertical-align: top;
          }
          .main-heading {
            font-size:30px;  
            margin-bottom: 5px;
            font-weight: bolder;
            width:100%;
            font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
          }
          .sub-heading {
            font-size:18px;
            line-height: 25px;
            font-family:Arial, Helvetica, sans-serif;
            width:100%;
            font-weight:lighter;
            color: rgb(219,186,133);
            text-decoration: none;
          }
          .sub-heading:hover{
            text-decoration:underline;
            display:inline;
            transition:all 1s;
          }
          .footer-btn{ 
            color:  rgb(219,186,133);
            font-size:25px;   
          } 
          .footer-btn:hover{
            opacity:0.5;
          }
          .copyright{
            color:rgb(219,186,133);
            font-size:13px;
            position:absolute;
            bottom:5px;
            right:5px;
          }
          
          }