@font-face {
    font-family: 'NanumSquareNeo';
    font-weight: 400;
    font-style: normal;
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-bRg.eot');
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-bRg.eot?#iefix') format('embedded-opentype'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-bRg.woff2') format('woff2'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-bRg.woff') format('woff'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-bRg.ttf') format("truetype");
    font-display: swap;
} 
@font-face {
    font-family: 'NanumSquareNeo';
    font-weight: 700;
    font-style: normal;
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-cBd.eot');
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-cBd.eot?#iefix') format('embedded-opentype'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-cBd.woff2') format('woff2'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-cBd.woff') format('woff'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-cBd.ttf') format("truetype");
    font-display: swap;
} 
@font-face {
    font-family: 'NanumSquareNeo';
    font-weight: 800;
    font-style: normal;
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-dEb.eot');
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-dEb.eot?#iefix') format('embedded-opentype'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-dEb.woff2') format('woff2'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-dEb.woff') format('woff'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-dEb.ttf') format("truetype");
    font-display: swap;
} 
@font-face {
    font-family: 'NanumSquareNeo';
    font-weight: 900;
    font-style: normal;
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-eHv.eot');
    src: url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-eHv.eot?#iefix') format('embedded-opentype'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-eHv.woff2') format('woff2'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-eHv.woff') format('woff'),
         url('https://webfontworld.github.io/NanumSquareNeo/NanumSquareNeo-eHv.ttf') format("truetype");
    font-display: swap;
} 

.inner { max-width: 1230px; margin:0 auto; }

header { padding:2.5rem 0;}
header h1 .logo {width: 250px;}
header  .back {width: 70px;}
header .inner { display: flex; justify-content: space-between; align-items: center;}

@media screen and (max-width: 900px) {
    header { padding:1.5rem;}
    header h1 .logo {
        width: 150px !important;
    }
    header  .back {width: 30px;}
}