:root {
  --background: #ffffff;
  --background-muted: #f7f7f6;
  --text: #171717;
  --text-muted: #606060;
  --text-light: #8b8b8b;
  --line: #dededb;
  --line-strong: #222222;
  --accent: #244da1;
  --container: 1120px;
  --header-height: 68px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -60px; left: 20px; z-index: 1000; padding: 10px 15px; background: #111; color: #fff; }
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { font-size: 16px; font-weight: 800; letter-spacing: .1em; }
.primary-nav { display: flex; align-items: center; gap: 28px; }
.primary-nav a { color: var(--text-muted); font-size: 13px; font-weight: 650; }
.primary-nav a:hover, .primary-nav a.active { color: var(--text); }
.menu-button { display: none; width: 42px; height: 42px; padding: 0; border: 0; background: transparent; }
.menu-button span:not(.sr-only) { display: block; width: 22px; height: 1.5px; margin: 6px auto; background: var(--text); transition: transform .2s ease; }

.intro-section { padding: 60px 0 60px; border-bottom: 1px solid var(--line); }
.intro-layout { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 100px; align-items: end; }
.eyebrow, .section-label { margin: 0; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.intro-section h1 { margin: 15px 0 0; font-size: clamp(52px, 7vw, 60px); line-height: 1; letter-spacing: -.055em; }
.intro-role { margin: 24px 0 0; font-size: clamp(21px, 2.5vw, 29px); font-weight: 700; line-height: 1.4; letter-spacing: -.025em; }
.intro-description { max-width: 690px; margin: 21px 0 0; color: var(--text-muted); font-size: 15px; line-height: 1.85; }
.summary-list { margin: 0; border-top: 2px solid var(--line-strong); }
.summary-list div { display: grid; grid-template-columns: 82px 1fr; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.summary-list dt { color: var(--text-light); font-size: 12px; font-weight: 650; }
.summary-list dd { margin: 0; font-size: 15px; font-weight: 650; }
.summary-list a { /*text-decoration: underline;*/ text-underline-offset: 3px; }

.resume-section { padding: 60px 0; scroll-margin-top: var(--header-height); }
.section-muted { background: var(--background-muted); }
.resume-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 78px; }
.section-heading { display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-content: start; }
.section-number { margin: 1px 0 0; color: var(--text-light); font-size: 11px; font-weight: 700; }
.section-heading h2 { margin: 9px 0 0; font-size: 31px; line-height: 1.2; letter-spacing: -.035em; }
.section-summary { margin: 12px 0 0; color: var(--text-muted); font-size: 15px; line-height: 1.6; }

.record-list, .certificate-list { border-top: 2px solid var(--line-strong); }
.record-item { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 36px; padding: 29px 0; border-bottom: 1px solid var(--line); }
.record-period { margin: 3px 0 0; color: var(--text-light); font-size: 15px; font-weight: 650; letter-spacing: .01em; }
.record-content { position: relative; }
.record-content h3 { margin: 0; font-size: 20px; line-height: 1.4; letter-spacing: -.015em; }
.record-content > p { margin: 5px 0 0; color: var(--text-muted); font-size: 15px; }
.record-note { display: inline-block; margin-top: 9px; color: var(--text-light); font-size: 15px; }
.status-badge { display: inline-flex; margin-top: 11px; padding: 3px 8px; border: 1px solid #b8c7e8; color: var(--accent); background: #f4f7ff; font-size: 10px; font-weight: 750; }
.status-badge { margin-top: 0; }
.company-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.company-row h3 {
  margin: 0;
}

.company-row + p {
  margin-top: 6px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin: 0;
}

.certificate-list article {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.certificate-info {
  flex: 1;
  min-width: 0;
}

.certificate-list h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: -.012em;
  word-break: keep-all;
}

.certificate-issuer {
  margin: 6px 0 0;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.5;
}

.certificate-year {
  flex-shrink: 0;
  margin-left: auto;
  padding-top: 2px;
  color: var(--text-light);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
  text-align: right;
  white-space: nowrap;
}

/* 기타 기여사항 */
.contribution-list {
  border-top: 2px solid var(--line-strong);
}

.contribution-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 72px;
  align-items: center;
  gap: 28px;
  min-height: 82px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.contribution-category {
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}

.contribution-description {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
}

.contribution-year {
  color: var(--text-light);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
  text-align: right;
  white-space: nowrap;
}

.contribution-empty {
  margin: 0;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 14px;
}

.activities-section { padding-bottom: 110px; }
.activity-list { border-top: 2px solid var(--line-strong); }
.activity-year-group { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 36px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.activity-year-group > h3 { margin: 2px 0 0; font-size: 20px; line-height: 1.4; }
.activity-year-group ul { margin: 0; padding: 0; list-style: none; }
.activity-year-group li { display: grid; grid-template-columns: minmax(0, 1fr) 170px 90px; gap: 20px; padding: 13px 0; border-bottom: 1px solid #e8e8e5; align-items: start; }
.activity-year-group li:first-child { padding-top: 0; }
.activity-year-group li:last-child { padding-bottom: 0; border-bottom: 0; }
.activity-year-group strong { font-size: 15px; font-weight: 650; line-height: 1.55; }
.activity-year-group span { color: var(--text-muted); font-size: 15px; line-height: 1.55; }
.activity-year-group time { color: var(--text-light); font-weight:650; font-size: 15px; text-align: right; white-space: nowrap; }

.contact-section { padding: 72px 0; background: #1b1b1b; color: #fff; scroll-margin-top: var(--header-height); }
.contact-inner { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.contact-section .section-label { color: #9fb9f0; }
.contact-section h2 { margin: 8px 0 0; font-size: 35px; letter-spacing: -.035em; }
.contact-section p:not(.section-label) { margin: 8px 0 0; color: #aaa; font-size: 13px; }
.contact-inner > a { padding-bottom: 5px; border-bottom: 1px solid #777; font-size: 21px; font-weight: 650; }
.contact-inner > a:hover { border-color: #fff; }
.site-footer { padding: 25px 0; border-top: 1px solid #303030; background: #1b1b1b; color: #999; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-footer .brand { color: #fff; }
.site-footer p { margin: 0; font-size: 13px; }

@media (max-width: 920px) {
  .intro-layout { grid-template-columns: 1fr; gap: 54px; }
  .summary-list { max-width: 620px; }
  .resume-layout { grid-template-columns: 170px minmax(0, 1fr); gap: 50px; }
  .record-item { grid-template-columns: 180px minmax(0, 1fr); gap: 28px; }
  .activity-year-group li { grid-template-columns: minmax(0, 1fr) 145px 82px; gap: 14px; }
}

@media (max-width: 720px) {
  :root { --header-height: 62px; }
  .container { width: min(calc(100% - 32px), var(--container)); }
  .menu-button { display: block; position: relative; z-index: 2; }
  .menu-button[aria-expanded="true"] span:not(.sr-only):nth-child(2) { transform: translateY(3.7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:not(.sr-only):nth-child(3) { transform: translateY(-3.7px) rotate(-45deg); }
  .primary-nav { position: fixed; inset: var(--header-height) 0 auto 0; display: none; flex-direction: column; align-items: flex-start; gap: 0; padding: 16px 16px 24px; border-bottom: 1px solid var(--line); background: #fff; }
  .primary-nav.open { display: flex; }
  .primary-nav a { width: 100%; padding: 12px 0; font-size: 15px; }

  .intro-section { padding: 63px 0 57px; }
  .intro-section h1 { font-size: 56px; }
  .intro-role { font-size: 22px; }
  .intro-description { font-size: 14px; }
  .summary-list div { grid-template-columns: 74px 1fr; }

  .resume-section { padding: 70px 0; }
  .resume-layout { grid-template-columns: 1fr; gap: 35px; }
  .section-heading { grid-template-columns: 29px 1fr; }
  .section-heading h2 { font-size: 28px; }
  .record-item { grid-template-columns: 1fr; gap: 8px; padding: 25px 0; }
  .record-period { margin: 0; }

  .certificate-list article { gap: 16px; }

  .contribution-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px 16px;
    min-height: 0;
    padding: 20px 0;
  }

  .contribution-category {
    grid-column: 1;
    grid-row: 1;
    font-size: 14px;
  }

  .contribution-year {
    grid-column: 2;
    grid-row: 1;
    font-size: 13px;
  }

  .contribution-description {
    grid-column: 1 / -1;
    grid-row: 2;
    font-size: 13px;
    line-height: 1.65;
  }
  
  .activity-year-group { grid-template-columns: 1fr; gap: 22px; padding: 30px 0; }
  .activity-year-group > h3 { font-size: 20px; }
  .activity-year-group li { grid-template-columns: 1fr auto; gap: 3px 14px; padding: 15px 0; }
  .activity-year-group strong { grid-column: 1 / -1; }
  .activity-year-group span { grid-column: 1; }
  .activity-year-group time { grid-column: 2; }
  .contact-inner { align-items: flex-start; flex-direction: column; gap: 31px; }
}

@media (max-width: 440px) {
  body { word-break: normal; }
  .intro-section h1 { font-size: 48px; }
  .summary-list div { grid-template-columns: 1fr; gap: 3px; }
  .certificate-list article {
    gap: 12px;
  }

  .certificate-list h3 {
    font-size: 16px;
  }

  .certificate-issuer,
  .certificate-year {
    font-size: 11px;
  }
  .contact-inner > a { font-size: 18px; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

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

.loading-item,
.data-error {
  margin: 0;
  padding: 22px 0;
  color: var(--text-muted);
  font-size: 13px;
}

.summary-list .loading-item {
  display: block;
}

.data-error {
  border-bottom: 1px solid var(--line);
  color: #9d2a2a;
}

.education-summary {
  white-space: pre-line;
}

.experience-position {
  margin: 6px 0 0;
  color: #626873;
  font-size: 15px;
  line-height: 1.5;
}

.experience-duties {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #e2e4e8;
}

.experience-duties-title {
  margin: 0 0 9px;
  color: #234da0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.experience-duties ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
}

.experience-duties li {
  color: #4f5661;
  font-size: 14px;
  line-height: 1.65;
}

.experience-duties li::marker {
  color: #234da0;
}

@media (max-width: 720px) {
  .experience-duties {
    margin-top: 14px;
    padding-top: 13px;
  }

  .experience-duties li {
    font-size: 13px;
  }
}

.company-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.company-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.company-info h3 {
  margin: 0;
}

.position-timeline {
  position: relative;
  display: grid;
  gap: 22px;
  margin-top: 22px;
  padding-left: 22px;
}

.position-timeline::before {
  position: absolute;
  top: 7px;
  bottom: 7px;
  left: 5px;
  width: 1px;
  background: #52698f;
  content: "";
}

.position-item {
  position: relative;
}

.position-item::before {
  position: absolute;
  top: 7px;
  left: -22px;
  width: 11px;
  height: 11px;
  border: 2px solid #1f55a5;
  border-radius: 50%;
  background: #202020;
  content: "";
}

.position-period {
  margin: 0 0 5px;
  color: #858b96;
  font-size: 15px;
  font-weight: 600;
}

.position-title {
  margin: 0;
  color: #101828;
  font-size: 17px;
  font-weight: 700;
}

.position-type {
  display: inline-block;
  margin-top: 5px;
  color: #53606f;
  font-size: 14px;
}