html,



    body {
        font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
        font-size: 14px;
        color: #000;
        margin: 0;
        padding: 0;
    }

    .logo{
        text-align: center;
        margin-top: 1vh;
        
    }   

    .logo img{
        width: 27vw;
        padding-bottom: 1vh;
    }

    @media screen and (max-width:768px) {
        .logo img{
            width: 40vw;
        }
    }

    .navbar-nav{
        margin: 0 0 0 auto;
    }

    .nav-link{
        margin: 0 0 0 auto;
    }

    .block{
        overflow: hidden;
    }


    .block_1{
        color: white;
        display: block;
        width: 80%;
        margin-left: auto;
        margin-right: auto;
        overflow: hidden;
        padding-top: 10%;
    }

    @media screen and (max-width:768px){
        .block_1{
            width: 90%;
        }
    }

    .content_1{
        width: 100%;
        background-image: linear-gradient(to right, #EEFF41, black);
        background-repeat: no-repeat;
	    background-size: 100% 8%;
	    background-position: bottom;
        font-style: italic;
    }

    @media screen and (max-width:768px){
        .content_1{
            width: 100%;
        }
    }

    h1 {
        font-size: 2.5rem;
      }
    
    @media screen and (max-width:768px){
        h1{
            width: 100%;
            text-align: left;
            font-size: 2rem;
        }
    }

    .yellow{
        color: #EEFF41;
    }

    .sub_title_1{
        font-size: 1rem;
        margin-top: 7px;
        font-style: serif;
        letter-spacing: 3px;
    }

    .content_2_p{
        line-height: 2.3rem;
        font-size: 1.3rem;
        font-family: serif;
        overflow-wrap: break-word;
    }

    @media screen and (max-width:768px){
        .content_2_p{
            font-size: 1.1rem;
        }
    }

    .p_1st{
        margin-top: 3rem;
    }

    @media screen and (max-width:768px){
        .p_1st{
            margin-top: 1rem;
        }
    }

    .title_1{
        font-weight: bold;
    }

    .title_1_2{
        font-size: 1rem;
        margin-bottom: 0;
    }

    @media screen and (max-width:768px){
        .title_1_2{
            width: 100%;
            text-align: left;
        }
    }


    .content_2{
        width: 70%;
        margin-right: auto;
        margin-left: 0;
        height: 15%;
        line-height: 2.5rem;
        
    }

    @media screen and (max-width:768px){
        .content_2{
            width: 100%;
            text-align: left;
            float: right;
            clear: right;
            padding: 0;
        }
    }

    .text_1{
        font-size: 1rem;
        overflow-wrap: break-word;
        margin-bottom: 0;
    }
    .space{
        margin-left:1rem;
    }

    .big{
        font-size: 1.5rem;
    }

    @media screen and (max-width:768px){
        .big{
            font-size: 1.2rem;
        }
    }

    .block_2{
        color: white;
        display: block;
        width: 80%;
        margin-left: auto;
        margin-right: auto;
        overflow: visible;
        margin-top: 5%;
    }

    @media screen and (max-width:768px){
        .block_2{
            color: white;
            padding-top: 5rem;
            display: block;
            width: 90%;
            margin-left: auto;
            margin-right: auto;
            overflow: hidden;
            padding-top: 2rem;
        }
    }

    .title_2{
        border-left: 4px solid #EEFF41;
        padding-left: 3%;
        font-family: serif;
        color: white;
    }

    @media screen and (max-width:768px){
        .title_2{
            font-size: 1.5rem;
        }
    }

    .flex1{
        display: flex;
    }

    .content_3_2{
        width: 55%;
    }

    @media screen and (max-width:768px){
        .content_3_2{
            width: 100%;
        }
    }


    .stack1{
        position: relative;
        width: 40%;
        margin-left: 5%;   
    }

    @media screen and (max-width:768px){
        .stack1{
            display: none;
        }
    }

    .flex2{
        display: flex;
    }

    .stack2{
        width: 40%;
        margin-left: 5%;
        position: relative;
    }

    @media screen and (max-width:768px){
        .stack2{
            display: none;
        }
    }


    .photo1 .img-vr{
        width: 60%;
    }

    .photo1 .img-bim{
        width: 60%;
        position: absolute;
        /* z-index: ; */
        bottom: -10%;
        left: 50%;
    }

    .img-object1{
        width: 70%;
        position: absolute;
        top: 90%;
        left: 50%;
    }

    .img-worker1{
        width: 100%;
    }

    .textbox{
        width: 55%;
        float: left;
    }

    @media screen and (max-width:768px){
        .textbox{
            width: 100%;
            float: left;
            clear: left;
        }
    }

    .last{
        margin-bottom: 5%;
    }

    .lasttext{
        width: 100%;
    }


    footer {
        background-color:black;
        width: 100%;
        display: flex;
        overflow: hidden;
        text-align: center;
    }
    
    .left{
        width: 10%;
    }
    
    @media screen and (max-width:768px) {
        .left{
            display: none;
        }
    }
    
    
    .center{
        width: 70%;
    }
    
    @media screen and (max-width:768px) {
        .center{
            width: 30%;
        }
    }
    
    .footer_nav{
        display: flex;
        margin-top: 5%;
    }
    
    @media screen and (max-width:768px) {
        .footer_nav{
            display: block;
            padding-bottom: 2rem;
        }
    }
    
    .footer_nav a{
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        color: white;
        font-size: 1vw;
        white-space: nowrap;
    }

    @media screen and (max-width:768px) {
        .footer_nav a{
          font-size: 2vw;
          line-height: 2.5rem;
        }
      }
    
    @media screen and (max-width:767px) {
        .footer_nav a{
            padding-bottom: 0;
            font-size: 3vw;
            line-height: 1.5rem;
        }
    }
    
    
    .footer_logo{
        margin-top: 4%;
    }
    
    @media screen and (max-width:768px) {
        .footer_logo{
            display: none;
        }
    }
    
    .footer_logo img{
        width: 10%;
        margin-left: 15%;
        margin-right: auto;
    }
    
    .res_center{
        display: none;
    }
    
    @media screen and (max-width:768px) {
        .res_center{
            display: block;
            width: 20%;
        }
    }
    
    .footer_info{
        width: 20%;
        padding-top: 3%;
        /* padding-bottom: 25%; */
        color: white;
        text-align: left;
        padding-left: 3%;
        font-size: 1vw;
    
    }
    
    @media screen and (max-width:768px) {
        .footer_info{
            width: 50%;
            text-align: right;
            padding-right: 3%;
            padding-top: 15%;
            padding-bottom: auto;
            font-size: 2vw;
        }
    }
    
    .footer_info p{
        margin-bottom: 0;
    }
    
    
    .sns{
        overflow: auto;
        width: 50%;
        margin-left: 0;
        margin-right: auto;
        margin-top: 2rem;
        margin-bottom: 2rem;
    }
    
    @media screen and (max-width:768px) {
        .sns{
            margin-right: 0;
            margin-left: auto;
        }
    }
    
    .sns_1{
        float: left;
        height: 2rem;
    }
    
    .sns_2{
        float: right;
        height: 2rem;
    }