@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;
      } 
      .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;
        margin-bottom: 20px;
        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{
        width: 100%;
        margin-top:0px;
       
        background-image: url(サブページ背景.png);
        text-align: center;
        float: left;
      }
    
    .third-wrapper{
        width:100%;
        text-align: center;
        padding-top:0px;
    }

    .fourth-wrapper{
        height: 100%;
        padding-top:0px;
        padding-bottom: 0px;
      }

  
      .season-year p{
        text-align: center;
        line-height: 30px;
        color:black;
        font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
        font-weight: bold;
        font-size:20px;
        margin-top: 0px;
      }
  
      .season-year h{
        margin-left: 0px;
        text-align: left;
        line-height: 70px;
        font-weight: bold;
        margin-bottom: 10px;
        vertical-align: bottom;
      }
  

      .news-date{
        float:left;
        width:30%;
        margin:10px 0 0 0;
        text-align: right;
        padding-right: 20px;
        line-height: 20px;
      }
      .news-title-box{
        float:left;  
        width:70%;
        color:rgb(89, 26, 147);  
        margin:10px 0 0 0px;  
        text-align: left;
        line-height: 20px;
      }


 

    .responsive{
      display: none;
    }
      
    .sub-wrapper{
        width:100%;
        background-color: rgb(221,221,221);        
        float: left;
        text-align: center;
        padding-bottom:10px
    }

    .banner{
      width:45%;
      margin:20px 2.5% 0 2.5%;
      float: left;
      text-align: center;
    }
    .banner img{
      width:100%;
      height: 100%;
      object-fit: contain;
    }
    .first-banner{
      margin-top: 0px;
    }

    .blank-box{
        width:320px;
        height: 100px;
        text-align: left;
        display: inline-block;
      }

      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;
      }
    
    }