:root{color-scheme:light;--ink:#173e3d;--muted:#57716d;--paper:#fffaf0;--line:#d8e2d8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Malgun Gothic",sans-serif;line-height:1.65}a{color:inherit}header,main,footer{width:min(1060px,calc(100% - 48px));margin:auto}header{display:flex;justify-content:space-between;align-items:center;padding:26px 0;border-bottom:1px solid var(--line);gap:16px}.brand{font-size:25px;font-weight:850;text-decoration:none}.status{font-size:12px;color:var(--muted);padding:6px 12px;border:1px solid var(--line);border-radius:24px}.hero{text-align:center;padding:72px 0 64px}.icon{width:132px;height:132px;border-radius:28px;box-shadow:0 12px 28px #163f3c17}.eyebrow{font-size:13px;letter-spacing:.1em;color:var(--muted);margin:26px 0 14px}h1{font-size:clamp(30px,5.8vw,58px);line-height:1.24;letter-spacing:-.05em;margin:0;font-weight:800}.intro{color:var(--muted);font-size:16px;margin:26px 0 30px;line-height:1.9}.contact{display:inline-flex;gap:24px;align-items:center;background:var(--ink);color:white;border-radius:14px;padding:14px 23px;text-decoration:none;font-weight:650}.contact:hover{background:#245956}a:focus-visible{outline:3px solid #ce643d;outline-offset:5px}.note{font-size:12px;color:var(--muted);margin-top:18px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:30px 0 48px;border-top:1px solid var(--line)}.number{font-size:12px;color:#916243}h2{font-size:19px;margin:12px 0 8px;letter-spacing:-.03em}.features p{font-size:14px;color:var(--muted);margin:0}footer{border-top:1px solid var(--line);padding:28px 0 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}footer p,footer small{font-size:12px;color:var(--muted)}footer a{text-underline-offset:3px}@media(max-width:600px){header,main,footer{width:calc(100% - 36px)}.hero{padding:48px 0}.intro{font-size:14px}.features{grid-template-columns:1fr;gap:26px;padding-bottom:36px}.features article{padding-left:0}footer{align-items:flex-start;flex-wrap:wrap;gap:10px}footer p{margin:0}footer small{width:100%}.icon{width:112px;height:112px}}
.installation{padding:30px 0 42px;border-top:1px solid var(--line)}.installation h2{font-size:24px;margin:0 0 18px}.installation ol{padding-left:22px;color:var(--muted)}.installation li{padding:4px 0}.installation p{font-size:14px;color:var(--muted)}.test-note{padding:18px 20px;background:#eaf0e6;border-radius:14px}.installation a{text-underline-offset:3px}