:root {
  color-scheme: light;
  font-family: Inter, Pretendard, -apple-system, BlinkMacSystemFont, "Noto Sans KR", sans-serif;
  color: #17392d;
  background: #f7f5ee;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; }
a { color: inherit; }
button, input { font: inherit; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -60px; padding: 12px 18px; color: #fff; background: #17392d; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; z-index: 50; top: 0; min-height: 76px; padding: 12px max(24px, calc((100% - 1180px) / 2)); display: grid; grid-template-columns: 1fr auto 1fr; gap: 28px; align-items: center; background: rgba(247,245,238,.94); border-bottom: 1px solid rgba(23,57,45,.12); backdrop-filter: blur(14px); }
.logo { display: inline-flex; align-items: center; gap: 10px; width: max-content; font-size: 21px; font-weight: 900; letter-spacing: -.04em; text-decoration: none; }
.logo img { border-radius: 9px; }
.site-header nav { display: flex; align-items: center; gap: 28px; }
.site-header nav a { font-size: 14px; font-weight: 700; text-decoration: none; }
.site-header nav a:hover { color: #e6633c; }
.header-cta { justify-self: end; padding: 11px 17px; color: #fff; background: #17392d; border-radius: 999px; font-size: 13px; font-weight: 800; text-decoration: none; }
main { display: block; }
.hero-section, .section, .security-section, .install-section { max-width: 1180px; margin: 0 auto; padding: 116px 24px; }
.hero-section { min-height: 760px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 80px; padding-top: 78px; }
.eyebrow { margin: 0 0 16px; color: #e6633c; font-size: 12px; line-height: 1.4; font-weight: 900; letter-spacing: .15em; }
h1, h2, h3 { overflow-wrap: break-word; word-break: keep-all; }
p { overflow-wrap: break-word; }
h1 { margin: 0; font-size: clamp(52px, 6.2vw, 86px); line-height: .99; letter-spacing: -.075em; }
h1 em {
  display: block;
  color: #e6633c;
  font-size: .78em;
  font-style: normal;
  white-space: nowrap;
}
.lead { max-width: 640px; margin: 28px 0 0; color: #64776f; font-size: 19px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 22px; border: 1px solid transparent; border-radius: 12px; font-weight: 900; text-decoration: none; }
.button.primary { color: #fff; background: #e6633c; box-shadow: 0 14px 32px rgba(230,99,60,.2); }
.button.primary:hover { background: #d7532f; }
.button.secondary { border-color: #cad3ce; background: #fff; }
.button:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid #f0a186; outline-offset: 3px; }
.trust-list, .check-list { padding: 0; list-style: none; }
.trust-list { display: flex; flex-wrap: wrap; gap: 16px; margin: 25px 0 0; color: #64776f; font-size: 12px; font-weight: 700; }
.trust-list li::before, .check-list li::before { content: "✓"; margin-right: 7px; color: #26805c; font-weight: 900; }
.hero-visual { position: relative; min-height: 630px; display: grid; place-items: center; border-radius: 38px; background: #dce8dd; overflow: hidden; }
.hero-visual::before { content: ""; position: absolute; width: 360px; height: 360px; right: -100px; top: -80px; border-radius: 50%; background: #f0bca7; opacity: .85; }
.phone { position: relative; z-index: 2; width: min(330px, 76%); height: 585px; margin-top: 40px; border: 9px solid #17392d; border-bottom: 0; border-radius: 38px 38px 0 0; background: #fff; box-shadow: 0 30px 60px rgba(23,57,45,.22); overflow: hidden; }
.phone-top { height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border-bottom: 1px solid #edf0ed; font-size: 13px; }
.phone-top span:first-child { width: 18px; height: 2px; background: #17392d; box-shadow: 0 5px #17392d; }
.product-photo { height: 270px; display: grid; place-items: end start; padding: 16px; background: linear-gradient(145deg,#f4e1d4,#cddccb); }
.product-photo span { padding: 5px 8px; color: #fff; background: #17392d; font-size: 9px; font-weight: 800; }
.product-info { display: grid; gap: 7px; padding: 17px; }
.product-info small { color: #809087; }
.product-info s { color: #a3ada8; font-size: 12px; }
.product-info strong { color: #d64f3a; font-size: 13px; }
.mock-sheet { position: absolute; right: 0; bottom: 0; left: 0; min-height: 176px; padding: 20px 18px; border-radius: 22px 22px 0 0; background: #fff; box-shadow: 0 -10px 30px rgba(23,57,45,.15); }
.decorative-close { position: absolute; right: 13px; top: 11px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; background: #edf3ee; color: #17392d; font-size: 22px; }
.mock-sheet small { display: block; color: #e6633c; font-weight: 800; }
.mock-sheet b { display: block; margin-top: 4px; font-size: 15px; }
.mini-products { display: flex; gap: 8px; margin-top: 14px; }
.mini-products span { width: 48px; height: 48px; border-radius: 8px; background: #dce8dd; }
.mini-products span:nth-child(2) { background: #f1d8ca; }
.mini-products span:nth-child(3) { background: #d8d5ca; }
.mock-sheet p { position: absolute; right: 18px; bottom: 21px; margin: 0; font-size: 11px; font-weight: 900; }
.mock-sheet i { color: #e6633c; font-style: normal; }
.signal-card { position: absolute; z-index: 4; left: 26px; top: 76px; width: 188px; padding: 17px; color: #fff; background: #17392d; border-radius: 16px; box-shadow: 0 18px 35px rgba(23,57,45,.2); }
.signal-card span { display: block; margin-bottom: 6px; color: #9fc9b5; font-size: 10px; }
.signal-card strong { font-size: 13px; line-height: 1.5; }
.metric-strip { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid #d6dcd7; border-bottom: 1px solid #d6dcd7; }
.metric-strip div { padding: 27px 24px; border-right: 1px solid #d6dcd7; }
.metric-strip div:last-child { border: 0; }
.metric-strip strong, .metric-strip span { display: block; }
.metric-strip strong { font-size: 25px; letter-spacing: -.04em; }
.metric-strip span { margin-top: 5px; color: #728179; font-size: 12px; }
.challenge-section { display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; align-items: end; padding-bottom: 20px; }
.challenge-section h2 { font-size: clamp(36px, 4.2vw, 54px); }
.challenge-section > div:last-child { padding-left: 28px; border-left: 2px solid #e6633c; }
.challenge-section p:not(.eyebrow) { margin: 0 0 13px; color: #687970; line-height: 1.75; }
.centered > .eyebrow, .centered > h2 { text-align: center; }
h2 { margin: 0; font-size: clamp(38px, 5vw, 62px); line-height: 1.08; letter-spacing: -.065em; }
.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 58px; counter-reset: step; }
.steps article { min-height: 275px; padding: 30px; border: 1px solid #d6ddd8; border-radius: 24px; background: rgba(255,255,255,.6); }
.steps span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: #fff; background: #17392d; font-size: 11px; font-weight: 900; }
h3 { margin: 25px 0 10px; font-size: 23px; letter-spacing: -.045em; }
.steps p, .feature-grid p, .security-list p, .faqs p, .section-copy { color: #6b7a72; line-height: 1.75; }
.preview-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 88px; align-items: center; }
.section-copy { max-width: 610px; font-size: 16px; }
.check-list { display: grid; gap: 11px; margin: 28px 0 0; line-height: 1.5; }
.sheet-demo { position: relative; min-height: 610px; border-radius: 30px; background: #e9e3d4; overflow: hidden; }
.demo-page { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; padding: 32px; opacity: .55; }
.demo-page span { height: 280px; border-radius: 12px; background: #d4cabb; }
.demo-sheet { position: absolute; right: 0; bottom: 0; left: 0; padding: 30px 30px 35px; border-radius: 28px 28px 0 0; background: #fff; box-shadow: 0 -15px 55px rgba(23,57,45,.16); }
.demo-sheet > i { position: absolute; width: 44px; height: 4px; left: calc(50% - 22px); top: 10px; border-radius: 99px; background: #d8dfda; }
.demo-sheet > p { margin: 0; color: #e6633c; font-size: 12px; font-weight: 900; }
.demo-sheet h3 { margin: 5px 0 22px; }
.demo-products { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.demo-products article { min-width: 0; }
.demo-products span { display: block; aspect-ratio: 1; border-radius: 11px; background: #dae6db; }
.demo-products article:nth-child(2) span { background: #eedace; }
.demo-products article:nth-child(3) span { background: #d9d6cd; }
.demo-products b, .demo-products small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-products b { margin-top: 9px; font-size: 12px; }
.demo-products small { margin-top: 4px; color: #75847b; }
.feature-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 58px; }
.feature-grid article { min-height: 240px; padding: 27px; border: 1px solid #d8ded9; border-radius: 22px; background: #fff; }
.feature-grid .wide-feature { grid-column: 1/-1; min-height: 310px; display: grid; grid-template-columns: 1fr 1.3fr; gap: 55px; align-items: center; background: #17392d; color: #fff; }
.wide-feature p { color: #b9c9c1; }
.feature-icon { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 11px; color: #e6633c; background: #f7e7df; font-size: 20px; font-weight: 900; }
.feature-grid h3 { margin-top: 20px; }
.mini-chart { display: grid; gap: 13px; }
.mini-chart > small { color: #9fc9b5; font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.mini-chart span { position: relative; z-index: 1; padding: 11px 15px; color: #fff; font-size: 11px; font-weight: 800; }
.mini-chart span::before { content: ""; position: absolute; z-index: -1; width: var(--value); inset: 0 auto 0 0; border-radius: 8px; background: #2e654f; }
.mini-chart span:nth-child(2)::before { background: #397861; }
.mini-chart span:nth-child(3)::before { background: #cc7656; }
.mini-chart span:nth-child(4)::before { background: #e6633c; }
.mini-chart .chart-100 { --value: 100%; }
.mini-chart .chart-78 { --value: 78%; }
.mini-chart .chart-54 { --value: 54%; }
.mini-chart .chart-31 { --value: 31%; }
.security-section { max-width: none; display: grid; grid-template-columns: 1fr 1.2fr; gap: 90px; padding-left: max(24px, calc((100% - 1180px) / 2)); padding-right: max(24px, calc((100% - 1180px) / 2)); color: #fff; background: #17392d; }
.security-list { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.security-list article { border-top: 1px solid #557267; padding-top: 20px; }
.security-list b { font-size: 16px; }
.security-list p { margin-bottom: 0; color: #b5c6bd; font-size: 13px; }
.pricing-section { display: grid; grid-template-columns: 1fr 420px; gap: 100px; align-items: center; }
.price-card { padding: 38px; border-radius: 28px; color: #fff; background: #17392d; box-shadow: 0 25px 65px rgba(23,57,45,.18); }
.price-card > span { color: #9fc9b5; font-size: 12px; font-weight: 900; }
.price-card h3 { margin: 10px 0 25px; font-size: 37px; }
.price-card h3 small { font-size: 13px; letter-spacing: -.01em; }
.price-card .check-list { margin-bottom: 28px; }
.price-card .button { width: 100%; }
.price-card > small { display: block; margin-top: 14px; color: #9eb2a8; line-height: 1.5; text-align: center; }
.faq-section { max-width: 900px; }
.faq-section h2 { margin-bottom: 48px; }
.faqs details { border-top: 1px solid #ccd6d0; }
.faqs details:last-child { border-bottom: 1px solid #ccd6d0; }
.faqs summary { padding: 23px 40px 23px 0; font-size: 17px; font-weight: 850; cursor: pointer; }
.faqs p { max-width: 760px; margin: -5px 0 24px; }
.install-section { max-width: 1120px; margin-bottom: 100px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; border-radius: 32px; color: #fff; background: #e6633c; }
.install-section .eyebrow { color: #ffe0d3; }
.install-section h2 { font-size: clamp(36px,4vw,52px); }
.install-section p { line-height: 1.7; }
.install-section form { padding: 25px; border-radius: 18px; color: #17392d; background: #fff; }
.install-section label { display: block; margin-bottom: 9px; font-size: 13px; font-weight: 900; }
.install-section form > div { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; border: 1px solid #cbd6d0; border-radius: 11px; overflow: hidden; }
.install-section input { min-width: 0; padding: 14px 4px 14px 14px; border: 0; outline: 0; }
.install-section form span { padding-right: 12px; color: #6a7a72; font-size: 12px; }
.install-section button { grid-column: 1/-1; min-height: 48px; border: 0; color: #fff; background: #17392d; font-weight: 900; cursor: pointer; }
.install-section form small { display: block; margin-top: 10px; color: #75847d; }
footer { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding: 70px max(24px, calc((100% - 1180px) / 2)) 35px; color: #b8c7c0; background: #10291f; }
.logo.light { color: #fff; }
footer p { font-size: 13px; }
footer > div { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
footer b { color: #fff; font-size: 13px; }
footer a:not(.logo) { color: #b8c7c0; font-size: 12px; text-decoration: none; }
footer > small { grid-column: 1/-1; padding-top: 25px; border-top: 1px solid #345043; font-size: 11px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 920px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero-section, .challenge-section, .preview-section, .pricing-section, .security-section, .install-section { grid-template-columns: 1fr; }
  .hero-section { padding-top: 65px; gap: 45px; }
  .hero-copy { max-width: 700px; }
  .hero-visual { min-height: 580px; }
  .steps { grid-template-columns: 1fr; }
  .steps article { min-height: auto; }
  .challenge-section, .preview-section, .pricing-section, .security-section { gap: 55px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid .wide-feature { grid-template-columns: 1fr; gap: 30px; }
  .price-card { max-width: 520px; }
  .install-section { margin-right: 20px; margin-left: 20px; width: auto; }
}
@media (max-width: 620px) {
  .site-header { min-height: 66px; padding: 10px 18px; }
  .logo { font-size: 18px; }
  .header-cta { padding: 10px 13px; }
  .hero-section, .section, .security-section, .install-section { padding: 78px 19px; }
  .hero-section { min-height: auto; padding-top: 55px; }
  h1 { font-size: clamp(46px,14vw,65px); }
  h2 { font-size: 39px; }
  .lead { font-size: 16px; }
  .trust-list { display: grid; }
  .hero-visual { min-height: 515px; border-radius: 25px; }
  .phone { width: 82%; height: 500px; }
  .product-photo { height: 205px; }
  .signal-card { left: 12px; top: 28px; }
  .metric-strip { grid-template-columns: 1fr 1fr; margin: 0 19px; }
  .metric-strip div:nth-child(2) { border-right: 0; }
  .metric-strip div:nth-child(-n+2) { border-bottom: 1px solid #d6dcd7; }
  .feature-grid, .security-list { grid-template-columns: 1fr; }
  .feature-grid .wide-feature { grid-column: auto; }
  .sheet-demo { min-height: 500px; }
  .demo-page { padding: 18px; }
  .demo-sheet { padding: 27px 18px; }
  .demo-products { gap: 8px; }
  .pricing-section { gap: 35px; }
  .price-card { padding: 28px 22px; }
  .install-section { margin: 0 12px 70px; padding: 55px 20px; }
  footer { grid-template-columns: 1fr 1fr; padding: 55px 22px 30px; }
  footer > div:first-child, footer > small { grid-column: 1/-1; }
}
