@font-face {
  font-family: "Paperlogy";
  src: url("assets/fonts/Paperlogy-7Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Pretendard";
  src: url("assets/fonts/PretendardVariable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #101416;
  --muted: #606b70;
  --paper: #f4f7f8;
  --white: #fff;
  --blue: #087ff5;
  --blue-dark: #0468d3;
  --line: #d8e0e3;
  --max: 1240px;
  --pad: clamp(24px, 5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Pretendard", "Apple SD Gothic Neo", sans-serif; font-size: 17px; font-synthesis: none; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 12px 18px; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #67b9ff; outline-offset: 4px; }

.site-header { position: relative; z-index: 20; width: min(calc(100% - 48px), var(--max)); height: 92px; margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 9px; width: fit-content; font-weight: 800; letter-spacing: -.04em; font-size: 20px; }
.brand svg { width: 24px; fill: var(--blue); }
.brand svg path:nth-child(2) { fill: none; stroke: white; stroke-width: 2; stroke-linecap: round; }
.desktop-nav { display: flex; gap: 30px; font-size: 15px; font-weight: 700; color: #303a3f; }
.desktop-nav a { position: relative; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta { justify-self: end; min-height: 50px; display: inline-flex; align-items: center; padding: 0 22px; color: white; background: var(--ink); border: 1px solid var(--ink); border-radius: 99px; font-size: 15px; font-weight: 800; transition: .2s; }
.header-cta:hover { background: var(--blue); border-color: var(--blue); }
.menu-toggle, .mobile-nav { display: none; }

.hero { width: min(calc(100% - 48px), var(--max)); min-height: calc(100svh - 92px); margin: auto; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(390px, .88fr); align-items: center; gap: clamp(48px, 6vw, 96px); padding: 54px 0 86px; }
.hero-copy { min-width: 0; max-width: 650px; }
.eyebrow { margin: 0 0 26px; font-size: 12px; line-height: 1.4; font-weight: 800; letter-spacing: .15em; color: var(--blue); }
.hero-kicker { width: fit-content; margin: 0 0 25px; padding: 10px 14px; color: #005bbd; background: #e4f2ff; border-radius: 6px; font-size: 14px; line-height: 1.3; font-weight: 800; }
.hero-kicker span { margin: 0 5px; color: #75aee8; }
h1, h2, h3, p { text-wrap: pretty; word-break: keep-all; overflow-wrap: break-word; }
h1, h2 { font-family: "Paperlogy", "Pretendard", sans-serif; font-weight: 700; }
h1 { margin: 0; font-size: clamp(48px, 5vw, 70px); line-height: 1.11; letter-spacing: -.045em; }
h1 em { color: var(--blue); font-style: normal; }
.hero-description { margin: 31px 0 0; color: #3f4b50; font-size: clamp(18px, 1.55vw, 20px); line-height: 1.8; letter-spacing: -.025em; }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 34px; }
.button { min-height: 60px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 27px; border-radius: 99px; font-weight: 700; font-size: 16px; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { background: var(--blue); }
.hero-phone { gap: 14px; }
.hero-phone span { font-size: 14px; color: #c5ced2; }
.hero-phone strong { font-size: 18px; letter-spacing: -.02em; }
.text-link { min-height: 48px; display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 800; }
.text-link span { color: var(--blue); font-size: 19px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 27px 0 0; padding: 0; color: #4f5b60; list-style: none; font-size: 14px; font-weight: 700; }
.hero-proof li::before { content: "✓"; margin-right: 7px; color: var(--blue); font-weight: 800; }

.hero-media { width: 100%; max-width: 520px; min-width: 0; justify-self: end; margin: 0; overflow: hidden; background: white; border-radius: 10px; box-shadow: 0 24px 70px rgba(22,35,42,.12); }
.hero-media img { width: 100%; height: auto; aspect-ratio: 3 / 4; display: block; object-fit: cover; object-position: 62% 68%; filter: brightness(.94) contrast(1.03) saturate(.86); }
.hero-media figcaption { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 20px; color: #6d797e; font-size: 12px; }
.hero-media figcaption b { color: var(--ink); font-size: 15px; }
.mobile-callbar { display: none; }

.trust-strip { color: white; background: var(--ink); padding: 54px max(var(--pad), calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.trust-strip > p { margin: 0; font-size: clamp(20px, 2.2vw, 30px); line-height: 1.4; font-weight: 600; letter-spacing: -.04em; }
.trust-points { display: flex; gap: 30px; color: #b7c0c4; font-size: 12px; }
.trust-points span::before { content: ""; width: 6px; height: 6px; margin-right: 9px; display: inline-block; border-radius: 50%; background: var(--blue); }

.section { padding: clamp(100px, 12vw, 170px) max(var(--pad), calc((100vw - var(--max)) / 2)); }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 80px; align-items: end; margin-bottom: 80px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
h2 { margin: 0; font-size: clamp(40px, 5vw, 68px); line-height: 1.15; letter-spacing: -.065em; }
.section-heading > p:last-child { max-width: 450px; margin: 0 0 6px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.services { background: white; }
.service-list { border-top: 1px solid var(--ink); }
.service-list article { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; gap: 26px; align-items: start; padding: 38px 0; border-bottom: 1px solid var(--line); }
.service-number { padding-top: 8px; color: var(--blue); font-size: 11px; font-weight: 800; }
.service-list h3 { margin: 0 0 13px; font-size: clamp(24px, 3vw, 36px); letter-spacing: -.05em; }
.service-list p { max-width: 650px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.service-mark { width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--blue); font-size: 22px; }

.authority { position: relative; color: white; background: var(--ink); display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 50px 100px; }
.authority-lead { position: sticky; top: 70px; align-self: start; }
.authority-lead .eyebrow { color: #77c4ff; }
.authority-lead > p:last-child { max-width: 500px; margin: 34px 0 0; color: #aeb8bc; font-size: 15px; line-height: 1.9; }
.authority-list { border-top: 1px solid #566064; }
.authority-list article { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 20px; padding: 32px 0; border-bottom: 1px solid #424b4f; }
.authority-list article > span { padding-top: 6px; color: #77c4ff; font-size: 10px; font-weight: 800; }
.authority-list h3 { margin: 0 0 10px; font-size: clamp(22px, 2.4vw, 31px); letter-spacing: -.045em; }
.authority-list p { margin: 0; color: #aeb8bc; font-size: 14px; line-height: 1.7; }
.claim-note { grid-column: 2; margin: -24px 0 0; color: #6f797d; font-size: 10px; }

.evidence { color: white; background: #07131c; }
.evidence .eyebrow { color: #80c8ff; }
.evidence-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .7fr); gap: 24px 90px; align-items: end; margin-bottom: 58px; }
.evidence-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.evidence-heading > p:last-child { margin: 0 0 4px; color: #bdcad0; font-size: 18px; line-height: 1.8; }
.evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.evidence-item { min-width: 0; }
.evidence-item figure { aspect-ratio: 3 / 4; margin: 0; overflow: hidden; background: #eaf0f2; border-radius: 10px; }
.evidence-item img { width: 100%; height: 100%; display: block; }
.certificate-evidence img { box-sizing: border-box; object-fit: contain; padding: 12px; background: white; }
.equipment-evidence img { object-fit: cover; object-position: 50% 63%; filter: brightness(.94) contrast(1.04) saturate(.9); }
.evidence-copy { padding: 26px 2px 0; }
.evidence-copy > span { color: #80c8ff; font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.evidence-copy h3 { margin: 12px 0 10px; color: white; font-size: clamp(23px, 2vw, 30px); letter-spacing: -.035em; }
.evidence-copy p { margin: 0; color: #bdcad0; font-size: 17px; line-height: 1.75; }
.evidence-copy small { display: block; margin-top: 13px; color: #8fa0a8; font-size: 12px; }

.process { color: white; background: var(--blue); display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.process .eyebrow { color: #bfe3ff; }
.process-steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.38); }
.process-steps li { display: grid; grid-template-columns: 50px 1fr; gap: 16px; padding: 27px 0; border-bottom: 1px solid rgba(255,255,255,.38); }
.process-steps li > span { color: #bfe3ff; font-size: 11px; font-weight: 800; }
.process-steps h3 { margin: 0 0 8px; font-size: 22px; letter-spacing: -.03em; }
.process-steps p { margin: 0; color: #dcefff; font-size: 16px; line-height: 1.65; }

.results { background: #eef2f3; }
.results-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .72fr); gap: 24px 90px; align-items: end; margin-bottom: 56px; }
.results-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.results-heading > p:last-child { margin: 0 0 5px; color: var(--muted); font-size: 18px; line-height: 1.8; }
.case-study { padding: 20px; background: white; border-radius: 12px; }
.before-after-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.before-after-grid figure { position: relative; min-width: 0; margin: 0; overflow: hidden; background: #dce3e5; border-radius: 8px; }
.before-after-grid img { width: 100%; aspect-ratio: 1; display: block; object-fit: cover; }
.before-after-grid figcaption { padding: 17px 18px 18px; color: #455258; font-size: 15px; font-weight: 700; }
.photo-label { position: absolute; z-index: 1; top: 16px; left: 16px; display: flex; align-items: baseline; gap: 8px; padding: 10px 12px; border-radius: 5px; color: white; background: rgba(5,16,24,.9); }
.photo-label span { font-size: 15px; font-weight: 800; }
.photo-label b { color: #aebdc4; font-size: 10px; letter-spacing: .1em; }
.photo-label-after { background: rgba(0,103,208,.94); }
.photo-label-after b { color: #d7eeff; }
.case-summary { display: flex; justify-content: space-between; gap: 30px; align-items: center; padding: 25px 5px 5px; }
.case-summary span { color: var(--blue); font-size: 14px; font-weight: 800; }
.case-summary p { max-width: 590px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; text-align: right; }

.company-proof { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 60px 90px; align-items: center; background: white; }
.company-proof-photo { min-width: 0; margin: 0; overflow: hidden; border-radius: 10px; }
.company-proof-photo img { width: 100%; height: clamp(420px, 42vw, 570px); display: block; object-fit: cover; object-position: 58% 56%; filter: brightness(1.03) contrast(1.03) saturate(.9); }
.company-proof-copy .eyebrow { margin-bottom: 24px; }
.company-proof-copy > p:not(.eyebrow) { max-width: 520px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }
.company-proof-copy ul { display: grid; gap: 14px; margin: 30px 0 0; padding: 26px 0 0; border-top: 1px solid var(--line); list-style: none; font-size: 16px; font-weight: 700; }
.company-proof-copy li::before { content: "✓"; margin-right: 10px; color: var(--blue); }

.channels { display: grid; grid-template-columns: 1fr .8fr; gap: 50px 100px; align-items: end; }
.channels-copy { margin: 0; color: var(--muted); line-height: 1.8; }
.channel-links { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }
.channel-links a { min-width: 0; display: grid; grid-template-columns: 100px minmax(0, 1fr) auto; align-items: center; gap: 16px; padding: 28px 0; color: #7a8488; border-bottom: 1px solid var(--line); transition: color .2s; }
.channel-links a:first-child { margin-right: 30px; }
.channel-links a:hover { color: var(--blue); }
.channel-links b { display: inline-block; min-width: 100px; color: var(--ink); font-size: 18px; }
.channel-links i { color: var(--blue); font-size: 18px; font-style: normal; }

.contact { position: relative; overflow: hidden; padding: clamp(100px, 12vw, 160px) 24px; color: white; background: var(--ink); text-align: center; }
.contact > *:not(.contact-drop) { position: relative; z-index: 1; }
.contact-drop { position: absolute; top: -260px; left: 50%; width: 540px; height: 540px; border: 110px solid rgba(8,127,245,.14); border-radius: 50% 50% 54% 46% / 61% 45% 55% 39%; transform: translateX(-50%) rotate(45deg); }
.contact .eyebrow { color: #71c1ff; }
.contact h2 { max-width: 800px; margin: auto; }
.contact > p:not(.eyebrow):not(.contact-note) { margin: 30px auto 0; color: #aeb9bd; line-height: 1.8; }
.contact-actions { display: flex; justify-content: center; gap: 12px; margin-top: 38px; }
.button-light { color: var(--ink); background: white; }
.button-outline { color: white; border: 1px solid #556066; }
.button small { color: #7f8a8f; font-size: 10px; font-weight: 500; }
.contact-note { margin: 19px 0 0; color: #6f7a7f; font-size: 11px; }

footer { width: min(calc(100% - 48px), var(--max)); margin: auto; padding: 40px 0 54px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; font-size: 12px; color: #6d777b; }
.footer-brand { color: var(--ink); }
.footer-brand + p { justify-self: end; }
.copyright { grid-column: 1 / -1; margin: 12px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-media { justify-self: center; }
  .hero-media img { height: auto; }
  .section-heading { grid-template-columns: 1fr; }
  .authority { grid-template-columns: 1fr; }
  .authority-lead { position: static; }
  .claim-note { grid-column: 1; }
  .evidence-heading, .results-heading { grid-template-columns: 1fr; }
  .evidence-heading .eyebrow, .results-heading .eyebrow { grid-column: 1; }
  .process { grid-template-columns: 1fr; gap: 70px; }
  .company-proof { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { width: calc(100% - 36px); height: 74px; grid-template-columns: 1fr auto; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; padding: 0; border: 0; background: transparent; }
  .menu-toggle span { width: 23px; height: 1.5px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-nav { position: absolute; top: 68px; left: -2px; right: -2px; display: none; padding: 18px; background: rgba(244,247,248,.98); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 18px 45px rgba(17,25,29,.1); }
  .mobile-nav.is-open { display: grid; }
  .mobile-nav a { min-height: 48px; display: flex; align-items: center; padding: 0 8px; border-bottom: 1px solid var(--line); font-weight: 700; }
  .mobile-nav a:last-child { border-bottom: 0; color: var(--blue); }
  body { padding-bottom: 72px; }
  .hero { width: calc(100% - 36px); min-height: auto; grid-template-columns: 1fr; padding: 54px 0 58px; }
  .hero-kicker { margin-bottom: 22px; font-size: 13px; }
  h1 { font-size: clamp(40px, 11.5vw, 52px); }
  .hero-description { font-size: 18px; line-height: 1.75; }
  .hero-description br { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 9px; }
  .hero-phone { width: 100%; min-height: 66px; justify-content: space-between; }
  .hero-phone strong { font-size: 19px; }
  .text-link { justify-content: center; }
  .hero-proof { display: grid; gap: 10px; font-size: 15px; }
  .hero-media { margin-top: 8px; }
  .hero-media img { height: auto; object-position: 61% 70%; }
  .hero-media figcaption { min-height: 78px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; font-size: 13px; }
  .mobile-callbar { position: fixed; z-index: 90; right: 12px; bottom: max(10px, env(safe-area-inset-bottom)); left: 12px; min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; color: white; background: var(--blue); border-radius: 10px; box-shadow: 0 12px 35px rgba(0,70,150,.3); }
  .mobile-callbar span { font-size: 15px; font-weight: 700; }
  .mobile-callbar strong { font-size: 20px; letter-spacing: -.02em; }
  .trust-strip { align-items: flex-start; flex-direction: column; padding: 44px 24px; }
  .trust-points { flex-direction: column; gap: 16px; font-size: 15px; }
  .section { padding: 95px 24px; }
  .section-heading { margin-bottom: 50px; }
  .service-list article { grid-template-columns: 40px 1fr; gap: 20px; }
  .service-list p { font-size: 16px; }
  .service-mark { display: none; }
  .authority { gap: 55px; }
  .authority-lead > p:last-child, .authority-list p { font-size: 16px; }
  .authority-list article { grid-template-columns: 34px 1fr; gap: 14px; }
  .claim-note { margin-top: -28px; line-height: 1.6; }
  .evidence-heading, .results-heading { margin-bottom: 42px; }
  .evidence-heading > p:last-child, .results-heading > p:last-child { font-size: 16px; }
  .evidence-grid { grid-template-columns: 1fr; gap: 52px; }
  .evidence-item { display: flex; flex-direction: column; }
  .evidence-item figure { aspect-ratio: 3 / 4; }
  .evidence-copy { order: -1; padding: 0 2px 20px; }
  .evidence-copy p { font-size: 16px; }
  .process { gap: 55px; }
  .case-study { padding: 10px; }
  .before-after-grid { grid-template-columns: 1fr; gap: 14px; }
  .before-after-grid figcaption { font-size: 16px; }
  .photo-label { top: 12px; left: 12px; }
  .case-summary { align-items: flex-start; flex-direction: column; gap: 10px; padding: 22px 8px 9px; }
  .case-summary p { font-size: 16px; text-align: left; }
  .company-proof { gap: 38px; }
  .company-proof-photo img { height: 350px; object-position: 61% 56%; }
  .company-proof-copy > p:not(.eyebrow) { font-size: 16px; }
  .channels { grid-template-columns: 1fr; gap: 35px; }
  .channel-links { grid-template-columns: 1fr; }
  .channel-links a { grid-template-columns: 82px minmax(0, 1fr) auto; }
  .channel-links a:first-child { margin-right: 0; }
  .contact-actions { align-items: stretch; flex-direction: column; max-width: 330px; margin-left: auto; margin-right: auto; }
  footer { grid-template-columns: 1fr; padding-bottom: 26px; }
  .footer-brand + p { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}