:root {
  color-scheme: light;
  --navy: #081426;
  --navy-soft: #102139;
  --ink: #132033;
  --muted: #627084;
  --line: #d8dee6;
  --page: #f4f7fa;
  --white: #ffffff;
  --green: #0a9b5a;
  --green-dark: #087344;
  --violet: #5a59ee;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Noto Sans CJK KR", Arial, sans-serif; font-size: 16px; line-height: 1.65; }
a { color: inherit; }
button, input, textarea { font: inherit; }
.site-header { position: sticky; top: 0; z-index: 20; height: 68px; display: flex; align-items: center; gap: 34px; padding: 0 max(24px, calc((100vw - 1200px) / 2)); border-bottom: 1px solid #e6eaf0; background: rgba(255, 255, 255, .96); }
.site-brand { display: inline-flex; align-items: center; gap: 11px; margin-right: auto; color: var(--navy); font-weight: 750; text-decoration: none; }
.company-logo { position: relative; flex: 0 0 200px; width: 200px; height: 34px; overflow: hidden; }
.company-logo img { position: absolute; top: -92px; left: -7px; width: 214px; height: 214px; max-width: none; filter: grayscale(1) brightness(0); }
.product-name { padding-left: 11px; border-left: 1px solid #cfd7e1; font-size: 14px; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { color: #4e5c6e; font-size: 14px; font-weight: 650; text-decoration: none; }
.site-header nav a:hover { color: var(--navy); }
.header-download { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 7px 16px; color: #fff; background: var(--navy); border: 1px solid var(--navy); font-size: 14px; font-weight: 700; text-decoration: none; }
.header-download:hover { background: #172a44; }
.is-disabled { cursor: default; opacity: .65; pointer-events: none; }
.hero { position: relative; isolation: isolate; height: calc(100svh - 118px); min-height: 500px; max-height: 760px; overflow: hidden; color: var(--ink); background: var(--page); border-bottom: 1px solid var(--line); }
.hero-shade { display: none; }
.hero-inner { width: min(1200px, calc(100% - 48px)); height: 100%; margin: 0 auto; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 42px 0 62px; }
.hero-kicker, .section-kicker { margin: 0 0 12px; color: var(--green-dark); font-size: 12px; font-weight: 800; letter-spacing: 0; }
.hero h1 { margin: 0; font-size: 64px; line-height: 1.08; letter-spacing: 0; }
.hero-lead { margin: 22px 0 12px; max-width: 700px; font-size: 29px; line-height: 1.38; font-weight: 650; }
.hero-detail { max-width: 650px; margin: 0; color: #536278; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 20px; border: 1px solid transparent; font-weight: 750; text-decoration: none; }
.primary-button { color: #fff; background: var(--green); border-color: var(--green); }
.primary-button:hover { background: var(--green-dark); border-color: var(--green-dark); }
.text-link { color: var(--navy); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.hero-meta { margin: 17px 0 0; color: #6d7989; font-size: 13px; }
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); max-width: 1200px; min-height: 98px; margin: 0 auto; border-left: 1px solid var(--line); border-right: 1px solid var(--line); background: #fff; }
.proof-strip div { display: flex; flex-direction: column; justify-content: center; padding: 18px 28px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { font-size: 20px; }
.proof-strip span { color: var(--muted); font-size: 13px; }
.content-section, .content-wrap { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.content-section { padding: 104px 0; }
.feature-intro { display: grid; grid-template-columns: .83fr 1.35fr; gap: 66px; align-items: center; }
.section-copy h2, .section-heading h2, .privacy-layout h2, .download-layout h2 { margin: 0; font-size: 36px; line-height: 1.3; letter-spacing: 0; }
.section-copy > p:not(.section-kicker), .section-heading > p:not(.section-kicker) { color: var(--muted); }
.feature-list { display: grid; gap: 18px; margin: 31px 0 0; padding: 0; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 112px 1fr; gap: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.feature-list b { color: var(--navy); }
.feature-list span { color: var(--muted); }
.product-visual { position: relative; overflow: hidden; aspect-ratio: 1672 / 943; border: 1px solid #bac4d0; border-radius: 6px; background: #e8edf3; box-shadow: 0 22px 55px rgba(12, 25, 45, .18); }
.product-visual img { display: block; width: 100%; height: auto; }
.workflow-band { padding: 92px 0; background: var(--page); border-top: 1px solid #e5e9ee; border-bottom: 1px solid #e5e9ee; }
.section-heading { max-width: 730px; }
.section-heading.centered { margin: 0 auto 42px; text-align: center; }
.section-heading > p:not(.section-kicker) { margin: 14px 0 0; }
.workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 44px 0 0; padding: 0; list-style: none; border-top: 1px solid #cfd7e1; border-bottom: 1px solid #cfd7e1; }
.workflow li { display: grid; grid-template-columns: auto 1fr; gap: 18px; min-height: 158px; padding: 31px 28px; border-right: 1px solid #cfd7e1; }
.workflow li:last-child { border-right: 0; }
.workflow li > span { color: var(--violet); font-size: 13px; font-weight: 800; }
.workflow b { font-size: 18px; }
.workflow p { margin: 9px 0 0; color: var(--muted); font-size: 14px; }
.manual-section { padding-top: 110px; }
.manual-heading { margin-bottom: 44px; }
.control-reference { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.control-group { min-width: 0; padding: 31px 34px 34px 0; border-bottom: 1px solid var(--line); }
.control-group:nth-child(odd) { border-right: 1px solid var(--line); }
.control-group:nth-child(even) { padding-right: 0; padding-left: 34px; }
.control-group:nth-last-child(-n+2) { border-bottom: 0; }
.control-number { margin: 0 0 9px; color: var(--green-dark); font-size: 12px; font-weight: 800; }
.control-group h3 { margin: 0 0 19px; color: var(--navy); font-size: 23px; }
.control-group dl { margin: 0; }
.control-group dl > div { display: grid; grid-template-columns: minmax(124px, .42fr) 1fr; gap: 18px; padding: 13px 0; border-top: 1px solid #e6eaf0; }
.control-group dt { color: #25364b; font-weight: 750; }
.control-group dd { min-width: 0; margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.mid-guide-band { padding: 96px 0; background: #edf2f5; border-top: 1px solid #dce3e8; border-bottom: 1px solid #dce3e8; }
.mid-guide-layout { display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(360px, .84fr); gap: 68px; align-items: start; }
.mid-guide-copy h2 { margin: 0; max-width: 690px; font-size: 36px; line-height: 1.3; letter-spacing: 0; }
.mid-definition { margin-top: 25px; padding: 18px 0 18px 18px; border-left: 3px solid var(--green); }
.mid-definition strong { display: block; margin-bottom: 5px; color: var(--navy); font-size: 17px; }
.mid-definition p { margin: 0; color: #4c5d70; }
.mid-methods { margin-top: 31px; border-bottom: 1px solid #cbd5dc; }
.mid-method { padding: 27px 0 30px; border-top: 1px solid #cbd5dc; }
.method-type { margin: 0 0 6px; color: var(--green-dark); font-size: 12px; font-weight: 800; }
.mid-method h3 { margin: 0; color: var(--navy); font-size: 22px; line-height: 1.42; }
.mid-steps { display: grid; gap: 0; margin: 35px 0 0; padding: 0; list-style: none; border-top: 1px solid #cbd5dc; }
.mid-method .mid-steps { margin-top: 19px; border-top-color: #d8e0e5; }
.mid-steps li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start; padding: 17px 0; border-bottom: 1px solid #cbd5dc; }
.mid-method .mid-steps li { padding: 13px 0; border-bottom-color: #d8e0e5; }
.mid-steps span { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; color: #fff; background: var(--navy); font-size: 12px; font-weight: 800; }
.mid-steps p { margin: 2px 0 0; color: #445469; }
.mid-guide-band code { padding: 2px 5px; color: #173e36; background: #dcebe5; font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .9em; overflow-wrap: anywhere; }
.url-example { display: flex; gap: 10px; align-items: baseline; margin: 14px 0 0; color: #6d7988; font-size: 12px; }
.url-example > span { min-width: 0; color: #2f4054; font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace; overflow-wrap: anywhere; }
.advanced-mid { margin-top: 22px; border-top: 1px solid #cbd5dc; border-bottom: 1px solid #cbd5dc; }
.advanced-mid summary { padding: 16px 0; color: #27394e; font-weight: 750; cursor: pointer; }
.advanced-mid p { margin: -2px 0 18px; color: #536378; font-size: 14px; }
.mid-warning { margin: 20px 0 0; color: #5a4a27; font-size: 14px; }
.mid-warning strong { margin-right: 7px; color: #9a5c00; }
.guide-sources { display: flex; flex-wrap: wrap; gap: 7px 15px; margin-top: 20px; color: #667587; font-size: 12px; }
.guide-sources span { color: #3f4f61; font-weight: 750; }
.guide-sources a { text-underline-offset: 3px; }
.guide-sources a:hover { color: var(--green-dark); }
.mid-tool { min-width: 0; padding: 30px; border: 1px solid #c6d0d8; border-radius: 6px; background: #fff; box-shadow: 0 18px 42px rgba(18, 34, 52, .11); }
.tool-label { margin: 0 0 7px; color: var(--green-dark); font-size: 12px; font-weight: 800; }
.mid-tool h3 { margin: 0; color: var(--navy); font-size: 25px; }
.mid-tool > p:not(.tool-label):not(.tool-privacy) { margin: 9px 0 20px; color: var(--muted); }
.mid-tool label { display: block; margin-bottom: 7px; color: #405066; font-size: 13px; font-weight: 700; }
.mid-tool textarea { width: 100%; min-height: 98px; resize: vertical; padding: 11px 12px; border: 1px solid #abb8c4; border-radius: 3px; color: var(--ink); background: #fbfcfd; line-height: 1.5; }
.mid-tool textarea:focus { outline: 2px solid #8ed0b2; outline-offset: 1px; border-color: var(--green); }
.mid-tool-actions { display: flex; gap: 8px; margin-top: 11px; }
.mid-tool button { min-height: 42px; padding: 9px 17px; border: 1px solid var(--green); color: #fff; background: var(--green); font-weight: 750; cursor: pointer; }
.mid-tool button:hover { border-color: var(--green-dark); background: var(--green-dark); }
.mid-tool .secondary-action { border-color: #aeb9c3; color: #435268; background: #fff; }
.mid-tool .secondary-action:hover { border-color: #778696; color: var(--navy); background: #f2f5f7; }
.mid-result { min-height: 58px; margin-top: 15px; padding: 16px; color: #d9e3ed; background: var(--navy); overflow-wrap: anywhere; }
.mid-result strong { display: block; color: #fff; font-family: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 24px; letter-spacing: 0; }
.mid-result.is-error { color: #5c2d14; background: #fff3e8; border: 1px solid #e7c5aa; }
.tool-privacy { margin: 10px 0 0; color: #7a8795; font-size: 12px; }
.pricing-section { padding-bottom: 112px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.price-card { position: relative; min-height: 500px; padding: 31px 28px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.price-card.featured { border: 2px solid var(--green); padding: 30px 27px; }
.recommended { position: absolute; top: 0; right: 22px; padding: 6px 10px; color: #fff; background: var(--green); font-size: 11px; font-weight: 800; }
.price-card h3 { margin: 0; font-size: 24px; }
.plan-description { min-height: 54px; margin: 10px 0 24px; color: var(--muted); font-size: 14px; }
.price { display: flex; align-items: baseline; gap: 7px; margin: 0; }
.price strong { font-size: 38px; line-height: 1.2; }
.price span { color: var(--muted); font-size: 13px; }
.allowance { margin: 18px 0 0; padding: 15px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.price-card ul { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; color: #435268; list-style: none; }
.price-card li::before { content: "✓"; margin-right: 9px; color: var(--green); font-weight: 900; }
.pricing-note { margin: 20px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
.privacy-band { padding: 78px 0; color: #fff; background: var(--navy-soft); }
.privacy-layout { display: grid; grid-template-columns: 1fr .9fr; gap: 74px; align-items: center; }
.privacy-layout > p { margin: 0; color: #c4cfdd; }
.download-band { padding: 76px 0; color: #fff; background: #151b24; }
.download-layout { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.download-layout p { margin: 12px 0 0; color: #b6c0cc; }
.download-action { min-width: 285px; display: grid; justify-items: stretch; gap: 9px; text-align: center; }
.download-action span { color: #9eabb9; font-size: 12px; }
.download-pending { padding: 15px 18px; border: 1px solid #4b5664; color: #d1d8e0 !important; }
.faq-section { padding-top: 92px; }
.faq-list { margin-top: 34px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 20px 2px; cursor: pointer; font-weight: 700; }
.faq-list details p { margin: -5px 0 22px; color: var(--muted); }
footer { min-height: 118px; display: flex; align-items: center; gap: 28px; padding: 24px max(24px, calc((100vw - 1200px) / 2)); color: #687587; border-top: 1px solid var(--line); font-size: 12px; }
.footer-brand { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 750; }
.footer-brand .company-logo { flex-basis: 160px; width: 160px; height: 29px; }
.footer-brand .company-logo img { top: -75px; left: -7px; width: 175px; height: 175px; }
footer p { margin: 0 auto 0 0; }
footer a { color: #7c8795; }
@media (max-width: 900px) {
  .site-header { gap: 12px; }
  .site-header nav { display: none; }
  .hero { height: calc(100svh - 108px); min-height: 520px; background-position: 20% center; }
  .hero h1 { font-size: 48px; }
  .hero-lead { font-size: 24px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .proof-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-intro, .privacy-layout { grid-template-columns: 1fr; }
  .feature-intro { gap: 42px; }
  .control-reference { grid-template-columns: 1fr; }
  .control-group, .control-group:nth-child(odd), .control-group:nth-child(even) { padding: 27px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .control-group:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .control-group:last-child { border-bottom: 0; }
  .mid-guide-layout { grid-template-columns: 1fr; gap: 42px; }
  .workflow, .pricing-grid { grid-template-columns: 1fr; }
  .workflow li { border-right: 0; border-bottom: 1px solid #cfd7e1; }
  .workflow li:last-child { border-bottom: 0; }
  .price-card { min-height: 0; }
  .download-layout { align-items: flex-start; flex-direction: column; }
  .download-action { width: 100%; min-width: 0; }
}
@media (max-width: 560px) {
  body { font-size: 15px; }
  .site-header { height: 62px; padding: 0 16px; }
  .site-brand { gap: 8px; }
  .company-logo { flex-basis: 132px; width: 132px; height: 25px; }
  .company-logo img { top: -57px; left: -5px; width: 136px; height: 136px; }
  .product-name { padding-left: 8px; font-size: 12px; }
  .header-download { min-height: 36px; padding: 6px 11px; }
  .hero { height: calc(100svh - 102px); min-height: 500px; }
  .hero-inner, .content-section, .content-wrap { width: min(100% - 32px, 1200px); }
  .hero-inner { padding: 35px 0 48px; }
  .hero h1 { font-size: 42px; }
  .hero-lead { margin-top: 17px; font-size: 21px; }
  .hero-detail { font-size: 14px; }
  .hero-actions { width: 100%; align-items: flex-start; flex-direction: column; gap: 13px; margin-top: 23px; }
  .hero-actions .button { width: 100%; }
  .proof-strip div { min-height: 78px; padding: 13px 16px; }
  .proof-strip strong { font-size: 17px; }
  .content-section { padding: 76px 0; }
  .section-copy h2, .section-heading h2, .privacy-layout h2, .download-layout h2, .mid-guide-copy h2 { font-size: 29px; }
  .feature-list li { grid-template-columns: 1fr; gap: 4px; }
  .workflow-band { padding: 72px 0; }
  .workflow li { min-height: 128px; padding: 24px 18px; }
  .manual-section { padding-top: 76px; }
  .control-group dl > div { grid-template-columns: 1fr; gap: 4px; }
  .mid-guide-band { padding: 72px 0; }
  .mid-definition { padding-left: 14px; }
  .mid-method h3 { font-size: 20px; }
  .url-example { display: block; }
  .url-example > span { display: block; margin-top: 4px; }
  .mid-tool { padding: 23px 19px; }
  .mid-tool-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .price-card { padding: 27px 22px; }
  .price-card.featured { padding: 26px 21px; }
  .price strong { font-size: 34px; }
  .privacy-band, .download-band { padding: 62px 0; }
  footer { align-items: flex-start; flex-direction: column; gap: 12px; }
  footer p { margin: 0; }
}