#in_s1{
    float: left;
    width: 100%;
    height: 565px;
}

header{
    position: absolute;
}

#s2_title_wrap{
    padding: 0;
    width: 910px;
    display: block;
}

#s2_img{
    margin: 0 auto;
    width: 67%;
    overflow: hidden;
    padding-bottom: 30px;
}

#s2_bottom{
    margin: 0 auto;
    width: 67%;
    height: 170px;
    background-color: #353535;
    font-size: 20px;
    font-weight: 200;
    color: #ffffff;
    text-align: center;
    line-height: 170px;
    letter-spacing: 5px;
    font-family: 'Questrial', sans-serif;
    opacity: 0;
}

#s2_main_title{
    font-size: 35px;
}

#s2_sub_title{
    font-size: 18px;
}

#section_3{
    background-image:url(../img/big_award.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

#section_4{
    background-image:url(../img/promise1.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

#in_s4{
    letter-spacing: -1px;
}

#s4_title,#s4_sub_title{
    float: left;
    width: 100%;
    overflow: hidden;
    opacity: 0;
}

#s4_title{
    font-size: 32px;
    font-weight: 400;
    font-family: 'Noto Serif KR', serif;
    color: #ffffff;
    margin-bottom: 38px;
    line-height: 55px;
    letter-spacing: -2px;
}

#s4_sub_title{
    font-size: 22px;
    font-weight: 300;
    color: #ffffff;
    margin-bottom: 240px;
}

#s4_txt_box{
    opacity: 0;
}

#s4_txt_box,#ex_list{
    float: left;
    width: 700px;
    overflow: hidden;
}

#s4_ex{
    float: left;
    width: 100%;
    overflow: hidden;
    font-size: 30px;
    font-weight: 400;
    font-family: 'Noto Serif KR', serif;
    color: #ffffff;
    margin-bottom: 30px;
}

#ex_list li{
    float: left;
    width: 100%;
    height: auto;
    font-size: 18px;
    font-weight: 300;
    color: #ffffff;
    letter-spacing: 0.5px;
}

#in_s5{
    padding-top: 60px;
}

#s5_txt_box{
    float: left;
    width: 530px;
    overflow: hidden;
    margin:90px 7.5% 0 0;
}

#height_line{
    float: right;
    width: 1px;
    height: 115px;
    background-color: #333333;
    margin-bottom: 65px;
    opacity: 0;
}

#s5_txt,#s5_text{
    float: left;
    width: 100%;
    overflow: hidden;
    text-align: right;
}

#s5_texts{
    float: left;
    display: inline-block;
    overflow: hidden;
    opacity: 0;
}

#s5_txt{
    font-size: 32px;
    font-weight: 500;
    font-family: 'Noto Serif KR', serif;
    line-height: 45px;
    color: #333333;
    margin-bottom: 65px;
}

#s5_text{
    font-size: 18px;
    font-weight: 300;
    color: #777d84;
}

#s5_img_box{
    float: right;
    width: 530px;
    overflow: hidden;
}

#in_s6{
    float: left;
    width: 100%;
    margin: 0;
}

.s6_box{
    float: left;
    width: 50%;
    overflow: hidden;
    position: relative;
}


.s6_img_box{
    float: left;
    width: 100%;
    overflow: hidden;
}

.s6_box img{
    width: 100%;
}

.s6_txt{
    float: left;
    width: 100%;
    text-align: center;
    height: auto;
    font-size: 18px;
    font-weight: 400;
    color: #ffffff;
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -13.5px;
    transform: scale(1);
}

#s6_btn{
    float: left;
    width: 370px;
    height: 140px;
    font-size: 30px;
    font-weight: 400;
    color: #ffffff;
    line-height: 140px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -70px 0 0 -9.65%;
    background-color: rgba(34,34,34,0.4);
    border: 1px solid #ffffff;
    box-sizing: border-box;
    z-index: 500;
    text-align: center;
}

#section_7{
    background-color: #f7f7f7;
}

#in_s7{
    float: left;
    margin: 0;
    width: 100%;
    height: 100vh;
}

.s7_box{
    float: left;
    width: 100%;
    overflow: hidden;
}

.in_s7_box{
    float: left;
    width: 50%;
    overflow: hidden; 
}

.s7_txt_box{
    float: left;
    display: inline-block;
    overflow: hidden;
    margin:80px 0 0 22%;
}

#s7_title,#s7_sub_title,#in_title,#in_title li,
#in_s7_title,#document li{
    float: left;
    width: 100%;
    overflow: hidden;
}

#s7_title{
    font-size: 32px;
    font-weight: 500;
    color: #333333;
    margin-bottom: 35px;
    opacity: 0;
}

#s7_title img{
    width:40px;
    padding-top: 8px;
}

#s7_sub_title{
    font-size:17px;
    font-weight: 300;
    color: #808080;
    margin-bottom: 50px;
    opacity: 0;
}

#in_title{
    opacity: 0;
}

#in_title li{
    font-size: 17px;
    line-height: 27px;
    font-weight: 400;
    color: #525357;
}

.in_s7_box>img{
    width: 100%;
}

#in_s7_title{
    float: left;
    font-size: 33px;
    line-height: 45px;
    font-weight: 500;
    color: #333333;
    opacity: 0;
}

#s7_line{
    float: left;
    width: 35px;
    height: 1px;
    background-color: #000000;
    margin: 30px 0;
    opacity: 0;
}

#document{
    float: left;
    display: inline-block;
    overflow: hidden;
    opacity: 0;
}

#document li{
    float: left;
    width: 100%;
    overflow: hidden;
    color: #515151;
    margin-bottom: 12px;
    font-size: 17px;
    font-weight: 400;
}

#document li img{
    width: 27px;
    margin-right: 15px;
}

#s7_txt_box1{
    margin-left: 15%;
}

#in_s8{
    width: 90%;
    padding:70px 0 120px 0;
}

#s8_title{
    float: left;
    width: 100%;
    overflow: hidden;
}

#s8_line{
    margin: 0 auto;
    width: 30px;
    height: 3px;
    background-color: #000000;
}

#s8_titles{
    float: left;
    width: 100%;
    overflow: hidden;
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #222222;
    margin:20px 0 70px 0;
}

.s8_box{
    float: left;
    width: 21%;
    overflow: hidden;
    margin-right: 5%;
    opacity: 0;
    box-shadow: 5px 5px 5px rgba(0,0,0,0.2);
    box-sizing: border-box;
}

.s8_img_box{
    margin: 0 auto;
    width: 70%;
    overflow: hidden;
    padding-top: 30px;
}

.s8_img_box img{
    width: 100%;
}

.s8_txt_box{
    float: left;
    width: 100%;
    overflow: hidden;
    text-align: center;
}

.in_s8_title{
    float: left;
    width: 100%;
    overflow: hidden;
    font-size: 22px;
    font-weight: 500;
    color: #222222;
    margin-top: 20px;
}

.s8_txt,.s8_text{
    float: left;
    width: 100%;
    overflow: hidden;
    font-size: 14px;
    font-weight: 400;
    color: #898888;
    margin-top: 5px;
}

.s8_text{
    padding-bottom: 30px;
    color: #414141;
}

@media all and (max-width:1600px){
    #s5_txt_box,#s5_img_box{
        width: 44%;
    }
    
    #s5_txt{
        font-size: 29px;
    }
    
    #s2_img img{
        width: 100%;
    }
    
    #in_s7{
        height: auto;
    }
    
    .s7_txt_box{
        margin-top: 45px;
    }
}

@media all and (max-width:1536px){
    
    #in_s5{
        padding-top: 0;
    }
    
    #s5_txt{
        font-size: 28px;
    }
    
    .s7_txt_box{
        margin-top: 45px;
    }
    
    #in_s8{
        padding: 70px 0;
    }
}

@media all and (max-width:1366px){
    #s1_title_wrap{
        padding-top: 180px;
    }
    
    #s5_txt{
        font-size: 25px;
    }
    
    #s5_img_box{
        height: 610px;
    }
    
    .s7_txt_box{
        margin-top: 20px;
    }
    
    #in_title li{
        font-size: 15px;
    }
    
    #s5_txt_box{
        margin-top: 40px;
    }
    
    #s7_sub_title{
        font-size: 15px;
    }
    
    #s8_titles{
        margin-bottom: 10px;
    }
    
    #in_s8{
        padding-bottom: 30px;
    }
}