:root{color-scheme:light;--ink:#18343c;--muted:#64767a;--teal:#087b78;--teal-dark:#07635f;--line:#dce5e3;--paper:#fff;--background:#f8faf9;font-family:"Segoe UI","Malgun Gothic","맑은 고딕",sans-serif;font-size:15px;line-height:1.65;color:var(--ink);background:var(--background);scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0}
a{color:inherit}
button,a,input,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #169f96;outline-offset:5px}
button,summary{font:inherit}
svg{display:block;flex:none}
h1,h2,h3,p,ol,dl,dd{margin:0}
.skip-link{position:absolute;top:8px;left:8px;transform:translateY(-160%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:6px;z-index:10}
.skip-link:focus{transform:translateY(0)}
.site-header,.hero,.usage,.help,.site-footer{width:min(1100px,calc(100% - 80px));margin-inline:auto}
.site-header{display:flex;align-items:center;justify-content:space-between;padding-block:28px;border-bottom:1px solid var(--line);gap:25px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:20px;font-weight:650;letter-spacing:-.7px;line-height:1.25}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:10px;background:var(--ink);color:#fff;font-size:19px;letter-spacing:-1.5px;font-weight:650}
.brand-caption{display:block;margin-top:5px;color:var(--muted);font-size:10px;font-weight:400;letter-spacing:.3px}
.site-header nav{display:flex;gap:28px;font-size:13px}
.site-header nav a{text-decoration:none;color:var(--muted)}
.site-header nav a:hover{color:var(--teal)}
.hero{display:grid;grid-template-columns:minmax(0,1fr) 390px;align-items:center;gap:70px;padding-block:76px 72px}
.eyebrow{display:flex;align-items:center;gap:9px;color:var(--teal);font-size:10px;font-weight:650;letter-spacing:1.5px;margin-bottom:21px}
.eyebrow span{width:6px;height:6px;border-radius:50%;background:var(--teal)}
h1{font-size:clamp(34px,4.1vw,49px);line-height:1.38;letter-spacing:-2.2px;font-weight:650;word-break:keep-all}
h1 em{font-style:normal;color:var(--teal)}
.lead{margin-top:24px;color:var(--muted);font-size:16px;line-height:1.95;word-break:keep-all}
.hero-note{display:flex;gap:11px;margin-top:34px;color:var(--muted);font-size:12px;line-height:1.9}
.hero-note svg{width:21px;height:24px;color:var(--teal);margin-top:2px}
.hero-note strong{font-weight:550;color:#436268}
.download-panel{padding:29px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 16px 45px #163d3410}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:15px}
.platform{font-size:10px;color:#728681;letter-spacing:1.7px;font-weight:600}
.version{font-size:11px;color:var(--teal);background:#e9f4f0;padding:4px 9px;border-radius:5px;font-variant-numeric:tabular-nums}
.file-mark{width:60px;height:66px;border-radius:13px;background:#edf5f1;display:grid;place-items:center;color:var(--teal);margin-top:27px;margin-bottom:18px}
.file-mark svg{width:33px;height:36px}
.download-panel h2{font-size:23px;font-weight:650;letter-spacing:-.8px;line-height:1.4}
.panel-description{font-size:12px;color:var(--muted);margin-top:8px}
.download-button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:53px;margin-top:25px;background:var(--teal);color:white;text-decoration:none;border-radius:8px;padding:12px 14px;font-size:13px;font-weight:600;transition:background .15s}
.download-button:hover{background:var(--teal-dark)}
.download-button svg{width:18px;height:18px}
.button-size{font-size:10px;font-weight:400;opacity:.8;margin-left:auto;padding-left:8px;border-left:1px solid #ffffff45;white-space:nowrap}
.download-hint{font-size:10px;color:#82908e;text-align:center;margin-top:9px}
.file-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:23px;padding-top:20px;border-top:1px solid #e6ece9}
.file-facts dt{font-size:10px;color:#8b9996;margin-bottom:4px}
.file-facts dd{font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums;color:#49615f}
.file-details{margin-top:23px;padding-top:16px;border-top:1px solid #e6ece9}
.file-details summary{font-size:11px;color:#697e79;cursor:pointer;list-style-position:inside}
.file-name{font-size:10px;color:var(--muted);margin-top:13px;overflow-wrap:anywhere}
.checksum-label{font-size:10px;color:var(--muted);margin-block:12px 6px}
#file-sha256{display:block;padding:10px;background:#f4f7f5;color:#446960;border-radius:5px;font-size:10px;line-height:1.7;overflow-wrap:anywhere}
.checksum-actions{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:8px;font-size:10px;color:var(--muted)}
.checksum-actions button{border:1px solid var(--line);border-radius:4px;padding:4px 8px;background:#fff;color:#47675f;cursor:pointer;font-size:10px}
.checksum-note{font-size:10px;color:#8b9996;margin-top:9px}
.usage{padding-block:36px 48px;border-top:1px solid var(--line)}
.section-heading .eyebrow{font-size:9px;letter-spacing:1.9px;margin-bottom:9px}
.section-heading h2{font-size:26px;font-weight:650;letter-spacing:-1px;line-height:1.5}
.section-heading>p:last-child:not(.eyebrow){font-size:12px;color:var(--muted);margin-top:6px}
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:30px;gap:28px}
.steps li{display:flex;gap:15px;padding-right:14px}
.step-number{font-size:12px;color:var(--teal);letter-spacing:.5px;font-weight:600;line-height:1.7;font-variant-numeric:tabular-nums;border-top:2px solid #9cc9b9;padding-top:10px;width:30px;flex:none}
.steps li>div{padding-top:10px}
.steps h3{font-size:14px;letter-spacing:-.3px;font-weight:600;margin-bottom:7px}
.steps p{font-size:11px;line-height:1.9;color:var(--muted);word-break:keep-all}
.requirements{display:flex;align-items:center;flex-wrap:wrap;gap:8px 19px;padding:19px 21px;background:#edf3ef;border-radius:8px;margin-top:31px;font-size:11px;color:#617a6f}
.requirement-title{font-weight:650;color:#3f6254;margin-right:5px}
.requirements>span:not(.requirement-title)::before{content:"✓";font-size:10px;margin-right:6px;color:#6b9f87}
.requirements p{flex-basis:100%;font-size:10px;color:#789083;margin-top:2px}
.help{display:grid;grid-template-columns:1fr 1.65fr;gap:50px;border-top:1px solid var(--line);padding-block:38px 48px}
.help .section-heading h2{font-size:24px}
.questions details{border-bottom:1px solid var(--line)}
.questions details:first-child{border-top:1px solid var(--line)}
.questions summary{display:flex;justify-content:space-between;gap:18px;font-size:12px;padding:18px 0;list-style:none;cursor:pointer;color:#3e595b;word-break:keep-all}
.questions summary::-webkit-details-marker{display:none}
.questions summary::after{content:"+";font-size:17px;line-height:1.2;color:#7d938d;flex:none}
.questions details[open] summary::after{content:"−"}
.questions details p{font-size:11px;color:var(--muted);line-height:1.9;padding:0 22px 18px 0;word-break:keep-all}
.site-footer{border-top:1px solid var(--line);display:flex;align-items:center;gap:20px;padding-block:22px 30px;color:#8a9a94;font-size:10px}
.footer-brand{font-size:14px;color:#536d63;gap:8px;letter-spacing:-.5px}
.footer-brand .brand-mark{width:25px;height:25px;border-radius:6px;font-size:13px;background:#6d8b7b}
.site-footer>a:last-child{margin-left:auto;text-decoration:none;color:#7b9186}
.site-footer>a:last-child span{margin-left:5px}
@media(min-width:1440px){.hero{padding-top:88px;padding-bottom:83px}}
@media(max-width:900px){.site-header,.hero,.usage,.help,.site-footer{width:calc(100% - 48px)}.hero{gap:35px;grid-template-columns:minmax(0,1fr) 355px;padding-block:55px}.download-panel{padding:24px}h1{font-size:38px;letter-spacing:-1.7px}.lead{font-size:14px}.hero-note{font-size:11px}.steps{gap:17px}.desktop-break{display:none}.help{gap:30px;grid-template-columns:1fr 1.4fr}}
@media(max-width:680px){.site-header,.hero,.usage,.help,.site-footer{width:calc(100% - 40px)}.site-header{padding-block:20px}.brand{font-size:18px}.brand-mark{width:35px;height:35px;font-size:17px}.brand-caption{font-size:9px}.site-header nav{gap:15px;font-size:11px}.hero{grid-template-columns:1fr;gap:30px;padding-block:38px}.hero .eyebrow{margin-bottom:15px}.hero-copy{max-width:500px}.hero h1{font-size:39px;letter-spacing:-1.8px}.lead{font-size:14px;margin-top:18px;max-width:340px}.hero-note{margin-top:19px;font-size:11px}.download-panel{width:100%;padding:25px}.file-mark{margin-block:20px 15px;width:48px;height:53px}.file-mark svg{width:27px;height:31px}.download-panel h2{font-size:22px}.download-button{font-size:14px}.button-size{font-size:11px}.usage{padding-block:29px 34px}.section-heading h2{font-size:24px}.steps{grid-template-columns:1fr;gap:22px;margin-top:25px}.steps li{gap:17px}.steps p{font-size:12px}.steps h3{font-size:15px}.steps li>div{padding-top:5px}.step-number{padding-top:6px}.requirements{margin-top:25px;padding:16px;gap:7px 13px}.requirement-title{flex-basis:100%;margin-bottom:2px}.help{grid-template-columns:1fr;gap:22px;padding-block:30px 35px}.questions summary{font-size:12px;padding-block:17px}.questions details p{font-size:12px}.site-footer{flex-wrap:wrap;gap:12px;padding-block:22px}.site-footer>p{display:none}}
@media(max-width:370px){.site-header nav a:first-child{display:none}.hero h1{font-size:34px}.download-panel{padding:20px}.download-button{gap:7px;font-size:12px}.button-size{font-size:10px}.file-facts{gap:6px}.file-facts dd{font-size:11px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.download-button{transition:none}}