A:link          {text-decoration: none;}
A:visited       {text-decoration: none;}
A:hover         {text-decoration: none;}
A:active        {text-decoration: none;}

@font-face {
    font-family: 'Pretendard-Regular';
    src: url('https://fastly.jsdelivr.net/gh/Project-Noonnu/noonfonts_2107@1.1/Pretendard-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

body {
    border: 0px;
    padding: 0px;
    margin: 0px;
    background-color: #000;
    font-family: "Pretendard Variable", Pretendard;
}
.main-visual {
    background-image: url(temp_img/temp_bg.png);
    width: 100%;
    height: 100vh;
    color: #fff;
    box-sizing: border-box;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    position: relative;
    padding: 100px 0px 0px 100px;
}

.main-visual .logo {
    width:auto;
}

.headline {
    line-height:82px;
    font-size: 60px;
}

.headline strong {
    font-size: 82px;
    font-weight: 600;
}

.txt {font-size: 24px;}

.main-visual .download_btn {
    position: absolute;
    right:100px;
    bottom:100px;
    column-gap: 50px;
    justify-content: center;
    align-items: center;
    display: flex;
}

.main-visual .download_btn img:hover, .main-visual .download_btn img:active  {
    transition: all 0.3s;
    filter: brightness(1.5);
}
@media only screen and (max-width: 1024px) {
    .headline {
        line-height:48px;
        font-size: 32px;
    }

    .headline strong {
        font-size: 48px;
        font-weight: 600;
    }
}

@media only screen and (max-width: 800px) {
    .main-visual {
        background-image: url(temp_img/temp_bg.png);
        width: 100%;
        height: 100vh;
        color: #fff;
        box-sizing: border-box;
        background-size: cover;
        background-position: center center;
        background-repeat: no-repeat;
        position: relative;
        padding: 0px 0px 0px 20px;
        align-content: center;
    }
    
    .main-visual .logo {
        width:180px;
        position: absolute;
        top:50px;
        left: 20px;
    }

    .headline {
        line-height:28px;
        font-size: 18px;
    }

    .headline strong {
        font-size: 24px;
        font-weight: 600;
    }

    .txt {font-size: 14px; margin-top: 100px;}

    .main-visual .download_btn {
        position: absolute;
        left:20px;
        bottom:50px;
        column-gap: 0px;
        justify-content: center;
        align-items: center;
        display: flex;
        width: 100%;
    }
    
    .main-visual .download_btn img{
        width:80%;
        height: auto;
    }

    .main-visual .download_btn img:hover, .main-visual .download_btn img:active  {
        transition: all 0.3s;
        filter: brightness(1.5);
    }
    
}