:root {
  color-scheme: light;
  --ink: #17283b;
  --navy: #12305a;
  --blue: #255a9a;
  --teal: #157e89;
  --paper: #f5f8fb;
  --line: #d7e1e9;
  --muted: #596b7c;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; }
a { color: inherit; }
.shell { width: min(100% - 48px, 1160px); margin-inline: auto; }
.skip-link { position: absolute; z-index: 10; top: -50px; left: 16px; padding: 10px 14px; background: #fff; }
.skip-link:focus { top: 8px; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }

.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-inner { min-height: 82px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding-block: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 19px; font-weight: 760; letter-spacing: -.035em; white-space: nowrap; }
.brand-mark { width: 26px; height: 25px; display: flex; align-items: flex-end; gap: 3px; transform: skew(-12deg); }
.brand-mark span { width: 6px; background: var(--navy); }
.brand-mark span:nth-child(1) { height: 12px; }
.brand-mark span:nth-child(2) { height: 19px; }
.brand-mark span:nth-child(3) { height: 25px; background: var(--teal); }
.main-nav { display: flex; justify-content: flex-end; gap: clamp(17px, 3vw, 38px); }
.main-nav a { text-decoration: none; color: #3a4d60; font-size: 14px; font-weight: 650; }
.main-nav a:hover, .text-link:hover, .contact-link:hover { color: var(--teal); }

.hero { overflow: hidden; background: var(--paper); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); align-items: center; min-height: 680px; gap: 32px; }
.hero-copy { padding: 86px 0 98px; position: relative; z-index: 1; }
.intro-line { margin: 0 0 31px; color: var(--blue); font-size: 15px; font-weight: 750; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 29px; font-size: clamp(52px, 5.7vw, 78px); line-height: 1.18; letter-spacing: -.075em; font-weight: 780; word-break: keep-all; }
h1 span { color: var(--blue); }
.hero-description { max-width: 510px; margin-bottom: 32px; font-size: 19px; line-height: 1.78; word-break: keep-all; }
.hero-english { max-width: 470px; margin-bottom: 38px; color: var(--muted); font-size: 15px; line-height: 1.6; }
.text-link { display: inline-flex; gap: 15px; align-items: center; padding-bottom: 7px; border-bottom: 2px solid currentColor; text-decoration: none; color: var(--navy); font-size: 15px; font-weight: 730; }
.text-link span { font-size: 20px; font-weight: 400; }

.hero-system { padding: 34px; background: #fff; border: 1px solid #c8d5e1; box-shadow: 0 22px 38px #17324a17; }
.system-caption { margin-bottom: 21px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .11em; }
.system-flow { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.system-flow li { position: relative; display: grid; grid-template-columns: 40px 1fr; column-gap: 14px; padding: 17px 0; border-top: 1px solid var(--line); }
.system-flow li:first-child { border-top: 2px solid var(--navy); }
.system-flow strong { grid-row: span 2; color: var(--teal); font-size: 13px; letter-spacing: .06em; }
.system-flow span { color: var(--ink); font-size: 18px; font-weight: 760; letter-spacing: -.035em; }
.system-flow small { margin-top: 5px; color: var(--muted); font-size: 12px; letter-spacing: .02em; }

.work-section { padding-block: 115px 125px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 31px; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 3.4vw, 42px); letter-spacing: -.055em; word-break: keep-all; }
.section-heading p { margin: 0 0 3px; color: var(--muted); font-size: 15px; }
.experience-section .section-heading, .approach-section .section-heading { display: block; }
.experience-section .section-heading p, .approach-section .section-heading p { margin-top: 14px; line-height: 1.7; }
.work-list { border-top: 2px solid var(--navy); }
.work-item { display: grid; grid-template-columns: 34% 1fr; gap: 32px; padding: 43px 0 47px; border-bottom: 1px solid var(--line); }
.work-name { display: flex; align-items: flex-start; gap: 17px; }
.work-name h3 { margin: 3px 0 0; font-size: clamp(27px, 3vw, 35px); letter-spacing: -.06em; }
.work-symbol { display: grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px; font-size: 24px; font-weight: 800; letter-spacing: -.08em; }
.findoc-symbol { background: #e4e8ff; color: #334699; }
.koreapis-symbol { background: #dceeed; color: #0c737a; }
.pipeline-symbol { background: #f4e7db; color: #a65427; }
.work-status { margin-bottom: 17px; color: var(--teal); font-size: 13px; font-weight: 760; }
.work-lead { margin-bottom: 16px; font-size: clamp(20px, 2vw, 25px); font-weight: 740; letter-spacing: -.04em; line-height: 1.45; word-break: keep-all; }
.work-detail > p:not(.work-status):not(.work-lead) { max-width: 620px; color: #4c5d6d; font-size: 16px; line-height: 1.78; word-break: keep-all; }
.work-detail .work-english { margin-top: 17px; font-size: 14px !important; color: #607284 !important; }

.prototype-section { padding-block: 105px 100px; background: #edf3f7; }
.prototype-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.prototype-item { display: flex; flex-direction: column; min-height: 295px; padding: 24px 22px; background: #fff; border: 1px solid #d8e3eb; }
.prototype-mark { display: grid; place-items: center; width: 43px; height: 43px; margin-bottom: 35px; font-size: 23px; font-weight: 700; }
.stamp-mark { background: #ece0d2; color: #875e36; }
.dump-mark { background: #e3e7ff; color: #4f56a0; }
.orbit-mark { background: #d9edee; color: #157e89; }
.reapply-mark { background: #f7e3e1; color: #bc695e; }
.prototype-item h3 { margin-bottom: 10px; font-size: 21px; letter-spacing: -.04em; }
.prototype-item p { margin-bottom: 20px; color: #506477; font-size: 14px; line-height: 1.7; word-break: keep-all; }
.prototype-status { margin-top: auto; color: var(--teal); font-size: 12px; font-weight: 750; }
.section-english { margin: 22px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.experience-section { padding-block: 111px 116px; }
.experience-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 38px; border-top: 2px solid var(--navy); }
.experience-grid article { padding: 29px 0 24px; border-bottom: 1px solid var(--line); }
.experience-grid h3 { margin-bottom: 18px; font-size: 21px; letter-spacing: -.04em; }
.experience-grid p { color: #506477; font-size: 15px; line-height: 1.8; word-break: keep-all; }
.experience-grid .card-label { margin-bottom: 12px; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.experience-grid .card-label-current { margin: 25px 0 8px; color: var(--teal); }
.experience-grid .card-output { margin-bottom: 0; color: var(--ink); font-size: 14px; font-weight: 700; }

.approach-section { padding-block: 105px; background: #edf3f7; }
.approach-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; border-top: 2px solid var(--navy); list-style: none; }
.approach-list li { padding: 28px 24px 4px 0; border-right: 1px solid var(--line); }
.approach-list li:not(:first-child) { padding-left: 24px; }
.approach-list li:last-child { border-right: 0; padding-right: 0; }
.approach-list strong { display: block; margin-bottom: 42px; color: var(--teal); font-size: 13px; letter-spacing: .08em; }
.approach-list h3 { margin-bottom: 14px; font-size: 19px; letter-spacing: -.04em; }
.approach-list p { color: #506477; font-size: 14px; line-height: 1.75; word-break: keep-all; }

.about-section { background: var(--navy); color: #fff; }
.about-grid { display: grid; grid-template-columns: 43% 1fr; gap: 64px; padding-block: 101px 109px; }
.about-grid h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.35; letter-spacing: -.065em; }
.about-copy p { font-size: 17px; line-height: 1.9; word-break: keep-all; color: #e4edf6; }
.about-copy p:last-child { margin-bottom: 0; }
.about-copy .about-english { padding-top: 21px; border-top: 1px solid #49617d; color: #bfcfe0; font-size: 15px; }

.contact-section { padding-block: 120px 132px; }
.contact-kicker { margin-bottom: 25px; color: var(--teal); font-size: 15px; font-weight: 750; }
.contact-section h2 { margin-bottom: 35px; font-size: clamp(34px, 4.5vw, 57px); letter-spacing: -.07em; line-height: 1.35; }
.contact-link { display: inline-block; padding-bottom: 7px; border-bottom: 2px solid currentColor; font-size: clamp(18px, 2.4vw, 27px); font-weight: 710; text-decoration: none; overflow-wrap: anywhere; }
.contact-link span { margin-left: 10px; font-weight: 400; }
.contact-section > p:last-child { margin: 17px 0 0; color: var(--muted); font-size: 14px; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 25px; padding-block: 31px; color: var(--muted); font-size: 13px; }
.footer-inner div { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-inner strong { color: var(--ink); }

.language-switch { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.language-switch a { padding: 7px 9px; border-radius: 4px; font-size: 12px; text-decoration: none; color: var(--muted); }
.language-switch a[aria-current="page"] { background: var(--navy); color: #fff; font-weight: 700; }
.language-switch a:hover { text-decoration: underline; }
html[lang="en"] h1 { font-size: clamp(44px, 5vw, 68px); letter-spacing: -.055em; word-break: normal; }
html[lang="en"] h2, html[lang="en"] h3 { letter-spacing: -.035em; word-break: normal; }
html[lang="en"] main { overflow-wrap: anywhere; }
html[lang="en"] .section-heading { display: block; }
html[lang="en"] .section-heading p { margin-top: 14px; line-height: 1.7; }

@media (max-width: 1000px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .main-nav { grid-row: 2; grid-column: 1 / -1; justify-content: flex-start; overflow-x: auto; padding: 4px; }
  .main-nav a { flex: 0 0 auto; white-space: nowrap; }
  .language-switch { grid-row: 1; grid-column: 2; }
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-copy { padding: 75px 0 0; }
  .hero-system { width: min(100%, 540px); margin: 40px auto 76px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 12px; }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .prototype-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .experience-grid { grid-template-columns: 1fr; gap: 0; }
  .approach-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .approach-list li:nth-child(2) { border-right: 0; padding-right: 0; }
  .approach-list li:nth-child(3) { padding-left: 0; }
}

@media (max-width: 600px) {
  .shell { width: min(100% - 36px, 1160px); }
  .header-inner { min-height: 70px; gap: 14px; padding-block: 18px; }
  .brand { font-size: 16px; }
  .brand-mark { transform: scale(.78) skew(-12deg); transform-origin: left center; margin-right: -5px; }
  .main-nav { gap: 20px; font-size: 12px; }
  .main-nav a { flex: 0 0 auto; white-space: nowrap; font-size: 12px; }
  h1 { font-size: clamp(44px, 11vw, 62px); }
  html[lang="en"] h1 { font-size: clamp(36px, 10vw, 52px); }
  .hero-copy { padding-top: 61px; }
  .intro-line { margin-bottom: 25px; }
  .hero-description { font-size: 17px; }
  .hero-system { margin: 36px 0 52px; padding: 24px; }
  .work-section { padding-block: 84px 92px; }
  .prototype-section { padding-block: 80px 81px; }
  .prototype-grid { gap: 8px; }
  .prototype-item { min-height: 262px; padding: 17px 14px; }
  .prototype-mark { margin-bottom: 26px; }
  .prototype-item h3 { font-size: 18px; }
  .prototype-item p { font-size: 13px; }
  .experience-section { padding-block: 83px 89px; }
  .approach-section { padding-block: 80px; }
  .approach-list { grid-template-columns: 1fr; }
  .approach-list li, .approach-list li:not(:first-child), .approach-list li:nth-child(3) { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .approach-list li:last-child { border-bottom: 0; }
  .approach-list strong { margin-bottom: 18px; }
  .work-item { grid-template-columns: 1fr; gap: 23px; padding-block: 35px; }
  .about-grid { padding-block: 77px 86px; }
  .contact-section { padding-block: 88px 96px; }
  .footer-inner { display: block; }
  .footer-inner > span { display: block; margin-top: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}