@media only screen and (max-device-width: 480px) {
    html {
        scroll-behavior:smooth;
        font-size: 62.5%; 
      }
    
      body:before{
        content:"";
        display:block;
        position:fixed;
        top:0;
        left:0;
        z-index:-1;
        width:100%;
        height:100%;
        background:url(img/38.-Sky-Blue_1.jpg) no-repeat 0 0 / cover;
        background-size: cover;
        background-position: center;  
      }
    
    /* ==================== */
    
    
      /*　ハンバーガーメニューボタン　*/
    .hamburger {
        display : block;
        position: fixed;
        z-index : 3;
        right : 20px;
        top   : 20px;
        width : 42px;
        height: 42px;
        cursor: pointer;
        text-align: center;
      }
      .hamburger span {
        display : block;
        position: absolute;
        width   : 30px;
        height  : 2px ;
        left    : 6px;
        background : #ffffff;
        -webkit-transition: 0.3s ease-in-out;
        -moz-transition   : 0.3s ease-in-out;
        transition        : 0.3s ease-in-out;
      }
      .hamburger span:nth-child(1) {
        top: 10px;
      }
      .hamburger span:nth-child(2) {
        top: 20px;
      }
      .hamburger span:nth-child(3) {
        top: 30px;
      }
      
      /* スマホメニューを開いてる時のボタン */
      .hamburger.active span:nth-child(1) {
        top : 16px;
        left: 6px;
        background :#fff;
        -webkit-transform: rotate(-45deg);
        -moz-transform   : rotate(-45deg);
        transform        : rotate(-45deg);
      }
      
      .hamburger.active span:nth-child(2),
      .hamburger.active span:nth-child(3) {
        top: 16px;
        background :#fff;
        -webkit-transform: rotate(45deg);
        -moz-transform   : rotate(45deg);
        transform        : rotate(45deg);
      }
      
      /* メニュー背景　*/
      nav.globalMenuSp {
        position: fixed;
        z-index : 2;
        top  : 0;
        left : 0;
        color: #fff;
        background: rgba( 71,70,73,0.6 );
        text-align: center;
        width: 100%;
        transform: translateX(100%);
        transition: all 0.6s;
        height: 100vh;
      }
      
      nav.globalMenuSp ul {
        margin: 0 auto;
        padding: 0;
        width: 100%;
        margin-top: 100px;
      }
      
      nav.globalMenuSp ul li {
        list-style-type: none;
        padding: 0;
        width: 100%;
        font-size: 30px;
        transition: .4s all;
      }
      nav.globalMenuSp ul li:last-child {
        padding-bottom: 0;
      }
      nav.globalMenuSp ul li:hover{
        background :#ddd;
      }
      
      nav.globalMenuSp ul li a {
        display: block;
        color: #fff;
        padding: 1em 0;
        text-decoration :none;
      }
      
      /* クリックでjQueryで追加・削除 */
      nav.globalMenuSp.active {
        opacity: 100;
        display: block;
         transform: translateX(0%);
      }
    
    /* ==================== */
    
    
    
      .title-text{
        font-family: balboa-plus-fill,sans-serif;
        font-weight: 400;
        font-style: normal;
        font-size: 100px;
        min-height: 0vw;/* Safari用バグフィックス */
        letter-spacing: 0.3rem;
        color: #fff;
        margin-top: -50px;
      }
    
      .text1{
        margin: 30px;
        color: #fff;
      }
      .text2{
        margin: 30px;
        color: #fff;
      }
      .text3{
        margin: 30px;
        color: #fff;
      }
      .text4{
        margin: 30px;
        color: #fff;
      }
      
        .video-wrap {
         display: grid;
         place-items: center;
        }
        .video-wrap2 {
         display: grid;
         place-items: center;
        }
        .video-wrap3 {
          display: grid;
          place-items: center;
         }
      
        .box1{
          background-color:rgba(0, 85, 255, 0.25);
          box-shadow: 5px 5px 5px 1px rgba(0, 0, 0, 0.2);
          height: 100%;
          margin:auto;
          
        }
      
        .box2{
          background-color:rgba(0, 85, 255, 0.25);
          box-shadow: 5px 5px 5px 1px rgba(0, 0, 0, 0.2);
          height: 100%;
          margin:auto;
        }
        .box3{
          background-color:rgba(0, 85, 255, 0.25);
          box-shadow: 5px 5px 5px 1px rgba(0, 0, 0, 0.2);
          height: 100%;
          margin:auto;
        }
        .box4{
          background-color:rgba(0, 85, 255, 0.25);
          box-shadow: 5px 5px 5px 1px rgba(0, 0, 0, 0.2);
          height: 100%;
          margin:auto;
        }
        .box5{
          background-color:rgba(0, 85, 255, 0.25);
          box-shadow: 5px 5px 5px 1px rgba(0, 0, 0, 0.2);
          height: 100%;
          margin:auto;
        }
        .box6{
          background-color:rgba(0, 85, 255, 0.25);
          box-shadow: 5px 5px 5px 1px rgba(0, 0, 0, 0.2);
          height: 100%;
          margin:auto;
        }
      
        .text{
          font-family: yu-gothic-pr6n,sans-serif;
          font-weight: 400;
          font-style: normal;
          color: #fff;
          font-size: 16px;
          margin: 10px;
        }
      
        .v1{
          width:300px;
          margin:auto;
          object-fit: cover;
        }
          
        .title{
          display: grid;
          place-items: center;
        }
        .title-text{
          font-family: balboa-plus-fill,sans-serif;
          font-weight: 400;
          font-style: normal;
          font-size: 40px;
          letter-spacing: 0.3rem;
          color: #fff;
        }
      
        .line{
          padding: 0.3em;
          border-bottom: solid 3px #ffffff;
        }
    
        .wrapper{
          min-height: 100vh;
          position: relative;/*←相対位置*/
          padding-bottom: 120px;/*←footerの高さ*/
          box-sizing: border-box;/*←全て含めてmin-height:100vhに*/
        }
        
        .footer{
          display: grid;
          place-items: center;
        }
        
        footer{
        font-family: balboa-plus-fill,sans-serif;
        font-weight: 400;
        font-style: normal;
        color: #fff;
        width: 100%;
       
        
        bottom: 0; /*下に固定*/
        text-align: center;
        }
    
    }