@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');
:root{--ink:#172620;--muted:#6c7a70;--paper:#f5f5ee;--line:#d9ded3;--green:#1a5c43;--acid:#cfdf7d}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans KR',sans-serif;font-size:14px}.top,main,footer{max-width:1320px;margin:auto}.top{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none;font-family:'DM Mono',monospace;font-size:18px;font-weight:500;line-height:1}.brand-mark{font-size:34px;color:var(--green)}.brand-dot{color:#a8c754}.brand small{display:block;font-size:8px;letter-spacing:.12em;margin-top:6px}.top-note{color:var(--muted);font-size:12px}main{padding:0 40px}.intro{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding:72px 0 84px}.eyebrow{font:500 11px 'DM Mono',monospace;letter-spacing:.13em;color:var(--green);margin:0 0 25px}.eyebrow span{display:inline-block;width:22px;height:2px;background:var(--green);vertical-align:middle;margin-right:8px}h1{font-size:clamp(48px,6vw,80px);line-height:1.13;letter-spacing:-.065em;margin:0;font-weight:800}h1 em{font-style:normal;color:var(--green)}.lead{font-size:15px;line-height:1.9;color:#65736a;margin:25px 0 0}.diagram{background:#e7ebd9;border:1px solid #d4dbc3;padding:20px 24px;color:#5c765a}.diagram-label,.diagram-bottom{display:flex;justify-content:space-between;font:10px 'DM Mono',monospace;letter-spacing:.09em}.diagram svg{display:block;width:100%;height:230px}.diagram svg path{fill:none;stroke:#466d54;stroke-width:1}.diagram svg .shape{stroke-width:2}.diagram svg .stitch{stroke:#6f8e4e;stroke-dasharray:3 5;stroke-width:2}.diagram svg .ghost{stroke:#a5b99a;stroke-width:1}.diagram svg circle{fill:#225d43}.diagram svg text{font:9px 'DM Mono',monospace;fill:#6b8669}.workbench{background:#fff;border:1px solid var(--line);padding:38px 42px 30px;box-shadow:0 14px 40px #233d260a}.section-heading{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:25px}.section-heading .eyebrow{margin-bottom:10px}h2{font-size:29px;letter-spacing:-.05em;margin:0}.section-heading p:not(.eyebrow){color:var(--muted);margin:10px 0 0}.section-number{font:40px 'DM Mono',monospace;color:#e4e9df}.form-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:45px;padding:30px 0}.field-label,.settings label{display:block;font-size:13px;font-weight:700}.field-label span{font-size:11px;color:var(--green);margin-left:7px}.drop{height:260px;margin-top:12px;border:1px dashed #aebdac;background:#f7f9f2;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;cursor:pointer;padding:20px;transition:background .2s,border-color .2s}.drop.drag,.drop:hover{background:#edf3df;border-color:var(--green)}.upload-icon{width:48px;height:48px;display:grid;place-items:center;background:#e1ebd8;color:var(--green);border-radius:50%;font-size:24px;margin-bottom:17px}.drop strong{font-size:14px}.drop>span:not(.upload-icon):not(.choose){color:var(--muted);font-size:12px;margin-top:8px}.choose{font-size:12px;font-weight:700;margin-top:20px;color:var(--green);border-bottom:1px solid #91a995;padding-bottom:4px}.choose b{margin-left:9px}.settings-title{display:flex;justify-content:space-between;font-weight:700;margin:0 0 17px}.settings-title small{font-weight:400;color:var(--muted)}.settings label{margin-bottom:14px}.settings input,.settings select{display:block;margin-top:8px;width:100%;height:43px;padding:0 12px;border:1px solid var(--line);border-radius:0;background:#fff;color:var(--ink);font:inherit;font-weight:400}.settings input:focus,.settings select:focus,.drop:focus-within{outline:2px solid var(--green);outline-offset:2px}.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.unit{color:var(--muted);font-weight:400;font-size:11px}.submit-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:23px}.submit-row p{color:var(--muted);font-size:12px}.submit-row button{border:0;background:var(--green);color:white;font:700 14px 'Noto Sans KR',sans-serif;padding:17px 20px;min-width:235px;text-align:left;cursor:pointer}.submit-row button:hover{background:#103f2e}.submit-row button:disabled{opacity:.6;cursor:wait}.submit-row button span{float:right}#status{margin:10px 0 0;color:var(--green);font-size:13px}#status.error{color:#a13e2c}.guide{display:grid;grid-template-columns:1fr 2fr;gap:50px;padding:90px 0 66px}.guide .eyebrow{margin-bottom:15px}.guide h2{line-height:1.3}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.steps article{border-top:1px solid #a8b5a5;padding-top:17px}.steps article>span{font:11px 'DM Mono',monospace;color:var(--green)}.steps h3{font-size:15px;margin:30px 0 9px}.steps p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}.notice{display:flex;gap:15px;background:#e9eee1;padding:18px 22px;color:#58695b;line-height:1.7;font-size:12px}.notice>span{font:bold 16px 'DM Mono',monospace;color:var(--green)}.notice p{margin:0}.notice strong{color:var(--ink);margin-right:8px}footer{padding:38px 40px;display:flex;justify-content:space-between;color:#8a9689;font:10px 'DM Mono',monospace;letter-spacing:.06em}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:750px){.top{height:70px;padding:0 20px}.top-note{display:none}main{padding:0 20px}.intro{grid-template-columns:1fr;gap:35px;padding:55px 0}.diagram svg{height:180px}.workbench{padding:26px 22px}.form-layout{grid-template-columns:1fr;gap:30px}.drop{height:220px}.submit-row{align-items:stretch;flex-direction:column}.submit-row button{width:100%}.guide{grid-template-columns:1fr;gap:35px;padding:65px 0 45px}.steps{gap:20px}.steps h3{margin-top:20px}footer{padding:30px 20px}footer span:last-child{display:none}}@media(max-width:430px){.steps{grid-template-columns:1fr}.steps article{padding-top:12px}.steps h3{margin:10px 0 5px}.row{grid-template-columns:1fr}}