:root {
  --bg: #ffffff;
  --text: #151515;
  --muted: #8b8b8b;
  --line: #e8e8e8;
  --sidebar: 300px;
  --content-max: 1120px;
  --title-font: "Manrope", "Noto Sans KR", sans-serif;
  --body-font: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--body-font); }
a { color: inherit; text-decoration: none; }
.mobile-nav-toggle, .mobile-nav-backdrop { display: none; }
.site-shell { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; }
.sidebar { border-right: 1px solid var(--line); }
.sidebar__inner { position: sticky; top: 0; padding: 34px 42px 48px; }
.brand { display: inline-block; margin-bottom: 52px; font-family: Georgia, "Times New Roman", serif; font-size: 1.05rem; text-decoration: underline; text-underline-offset: 5px; }
.nav__section + .nav__section { margin-top: 26px; }
.nav__title { display: inline-block; margin-bottom: 12px; font-family: var(--title-font); font-size: 0.92rem; font-weight: 800; color: var(--muted); letter-spacing: -0.01em; }
.nav__title.is-current, .nav__item.is-current { color: var(--text); }
.nav__list { margin: 0; padding: 0; list-style: none; }
.nav__list li + li { margin-top: 9px; }
.nav__item { color: var(--muted); font-family: var(--title-font); font-size: 0.91rem; font-weight: 500; line-height: 1.45; }
.content { padding: 38px 54px 80px; }
.page { max-width: var(--content-max); margin: 0 auto; }
.page--wide { max-width: none; }
.page-header { margin-bottom: 44px; text-align: center; }
.eyebrow { margin: 0 0 10px; color: var(--muted); font-family: var(--title-font); font-size: 0.88rem; font-weight: 700; line-height: 1.4; letter-spacing: 0; }
.page-header h1 { margin: 0; font-family: var(--title-font); font-size: 2.18rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.06em; }
.hero-copy { max-width: 920px; margin: 0 auto 40px; padding-bottom: 28px; border-bottom: 1px solid var(--line); text-align: left; }
.hero-copy p { margin: 0 0 14px; font-size: 0.95rem; line-height: 1.95; color: #3b3b3b; }
.hero-copy p:last-child { margin-bottom: 0; }
.about-layout .hero-copy {
  padding-bottom: 0;
  border-bottom: 0;
}
body[data-page="seo-editorial"] .hero-copy,
body[data-page="content-production"] .hero-copy,
body[data-page="campaign-operation"] .hero-copy,
body[data-page="crm"] .hero-copy,
body[data-page="measurement-conversion"] .hero-copy,
body[data-page="branding"] .hero-copy,
body[data-page="publishing"] .hero-copy,
body[data-page="pr-media-relations"] .hero-copy {
  max-width: var(--content-max);
  padding-bottom: 0;
  border-bottom: 0;
  margin-bottom: 24px;
}

.identity { margin-top: 28px; color: var(--muted); }
.identity p { margin: 0 0 6px; font-size: 0.88rem; line-height: 1.7; }
.section-block { margin-top: 38px; padding-top: 28px; border-top: 1px solid var(--line); }
.section-block h2 { margin: 0 0 14px; font-family: var(--title-font); font-size: 1rem; font-weight: 700; }
.section-block p, .section-block li { font-size: 0.92rem; line-height: 1.9; color: #3b3b3b; }
.section-block ul, .section-block ol { margin: 0; padding-left: 18px; }
.section-block li + li { margin-top: 6px; }
.category-table { width: 100%; border-collapse: collapse; }
.category-table th, .category-table td { padding: 16px 0; border-top: 1px solid var(--line); vertical-align: top; text-align: left; }
.category-table th { font-family: var(--title-font); font-size: 0.92rem; }
.category-table td { font-size: 0.91rem; line-height: 1.8; color: #3b3b3b; }
.feature-intro { max-width: 760px; margin: 0 auto 42px; text-align: center; }
.feature-intro p { margin: 0; font-size: 0.95rem; line-height: 1.9; color: #4a4a4a; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 18px; }
.work-card { display: block; }
.work-card__visual { aspect-ratio: 1.32 / 1; border: 1px solid var(--line); background: #f3f3f3; overflow: hidden; position: relative; }
.work-card__visual::before { content: ""; position: absolute; inset: 0; }
.work-card--seo .work-card__visual::before { background: linear-gradient(135deg, #f7f7f7 0%, #efefef 45%, #f9f9f9 100%); }
.work-card--production .work-card__visual::before { background: linear-gradient(135deg, #b8e8ff 0%, #d8f2ff 34%, #87c9ee 100%); }
.work-card--campaign .work-card__visual::before { background: linear-gradient(135deg, #1f5eff 0%, #3d66ff 48%, #7d87ff 100%); }
.work-card--publishing .work-card__visual::before { background: linear-gradient(135deg, #efe4d8 0%, #f6efe8 45%, #dcc7b2 100%); }
.work-card__shape, .work-card__shape::before, .work-card__shape::after { position: absolute; content: ""; display: block; }
.work-card--seo .work-card__shape { width: 180px; height: 180px; border-radius: 50%; right: 38px; top: 36px; background: repeating-linear-gradient(135deg, #111 0 8px, transparent 8px 18px); opacity: 0.86; }
.work-card--seo .work-card__shape::before { width: 150px; height: 150px; border-radius: 50%; left: -96px; top: 118px; background: repeating-linear-gradient(180deg, #111 0 8px, transparent 8px 18px); }
.work-card--production .work-card__shape { width: 124px; height: 164px; border-radius: 22px; left: 50%; top: 48px; transform: translateX(-50%); background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(160,192,210,0.85)); box-shadow: 0 20px 40px rgba(0,0,0,0.18); }
.work-card--production .work-card__shape::before { width: 58px; height: 58px; border-radius: 50%; left: -76px; top: -22px; border: 7px solid rgba(17,17,17,0.28); }
.work-card--production .work-card__shape::after { width: 58px; height: 58px; border-radius: 50%; right: -76px; bottom: 10px; border: 7px solid rgba(17,17,17,0.18); }
.work-card--campaign .work-card__shape { width: 150px; height: 150px; border-radius: 40px; right: 28px; top: 28px; background: linear-gradient(180deg, #ff8ec4, #ff6faa); filter: saturate(1.05); }
.work-card--campaign .work-card__shape::before { width: 250px; height: 250px; left: -230px; top: -32px; color: rgba(255,255,255,0.12); font: 800 3.9rem/0.92 var(--title-font); content: "Campaign\AGrowth"; white-space: pre; }
.work-card--publishing .work-card__shape { width: 220px; height: 150px; right: 26px; bottom: 28px; border-radius: 8px; background: rgba(255,255,255,0.75); box-shadow: 0 12px 28px rgba(0,0,0,0.1); }
.work-card--publishing .work-card__shape::before { width: 160px; height: 114px; left: -120px; top: -30px; border-radius: 8px; background: rgba(255,255,255,0.92); box-shadow: 0 12px 24px rgba(0,0,0,0.08); }
.work-card--publishing .work-card__shape::after { width: 120px; height: 2px; left: 18px; top: 34px; background: #111; box-shadow: 0 22px 0 #111, 0 44px 0 #111; opacity: 0.65; }
.work-card__label { margin-top: 12px; font-family: Georgia, "Times New Roman", serif; font-size: 1rem; }
.work-card__meta { margin-top: 4px; color: var(--muted); font-size: 0.84rem; line-height: 1.6; }
.about-layout { max-width: var(--content-max); margin: 0 auto; }
.about-layout .section-block:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.center-title .page-header { margin-bottom: 52px; }
.back-to-top, .site-footer { margin-top: 34px; color: var(--muted); font-size: 0.85rem; text-align: center; }
@media (max-width: 960px) {
  .mobile-nav-toggle { position: fixed; top: 22px; right: 22px; z-index: 20; display: flex; width: 44px; height: 44px; border: 0; background: transparent; flex-direction: column; justify-content: center; gap: 5px; padding: 0; cursor: pointer; }
  .mobile-nav-toggle span { display: block; width: 22px; height: 2px; margin-left: auto; background: var(--text); }
  .mobile-nav-backdrop { position: fixed; inset: 0; z-index: 10; background: rgba(0, 0, 0, 0.16); }
  .site-shell { display: block; }
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 15; width: min(82vw, 320px); background: #fff; transform: translateX(-100%); transition: transform 180ms ease; }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .mobile-nav-backdrop { display: block; }
  .content { padding: 92px 24px 56px; }
  .sidebar__inner { height: 100vh; overflow: auto; padding: 28px 24px 40px; }
  .page-header h1 { font-size: 2rem; }
  .card-grid { grid-template-columns: 1fr; gap: 26px; }
}





@media (max-width: 960px) {
  .metrics-row,
  .category-cards {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}


.hero-banner {
  max-width: 860px;
  margin: 0 auto 26px;
  text-align: center;
}

.hero-banner__role {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-banner__title {
  margin: 0 auto 14px;
  max-width: 980px;
  font-family: var(--title-font);
  font-size: 2.18rem;
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.hero-banner__body {
  margin: 0 auto;
  max-width: 760px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: #4a4a4a;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 30px;
}

.metric-card {
  padding: 16px 14px;
  border: 1px solid var(--line);
  background: #fafafa;
  text-align: center;
}

.metric-card__value {
  margin: 0 0 6px;
  font-family: var(--title-font);
  font-size: 1.54rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.metric-card__label {
  margin: 0;
  color: #4a4a4a;
  font-size: 0.84rem;
  line-height: 1.6;
}

.section-block--compact {
  margin-top: 24px;
  padding-top: 18px;
}

.home-categories h2 {
  margin-bottom: 16px;
  text-align: center;
}

.home-category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.home-category-card {
  display: block;
}

.home-category-card__visual {
  aspect-ratio: 1.28 / 0.94;
  border: 0;
  background: transparent;
  overflow: hidden;
  position: relative;
}

.home-category-card__body {
  padding-top: 12px;
  text-align: center;
}

.home-category-card__body h3 {
  margin: 0 0 6px;
  font-family: var(--title-font);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.home-category-card__body p {
  margin: 0;
  color: var(--muted);
  font-family: var(--title-font);
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.55;
}

.home-category-card__visual {
  aspect-ratio: 1.28 / 0.94;
  border: 0;
  background: transparent;
  overflow: hidden;
  position: relative;
}

.home-category-card__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 18px;
}

.case-list {
  display: grid;
  gap: 24px;
}

.case-card {
  width: 100%;
  margin: 0 auto;
  padding: 0;
  text-align: center;
}

.case-card + .case-card {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.case-card h3 {
  margin: 0 0 6px;
  font-family: var(--title-font);
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.case-card__period {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.84rem;
}

.case-media {
  margin: 0 0 18px;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(0, 1.05fr);
  gap: 36px;
  align-items: start;
  justify-content: center;
}

.case-media-stack {
  display: grid;
  gap: 12px;
  justify-items: center;
}

.case-media-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
  justify-items: center;
  width: 100%;
}

.case-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #fff;
}

.case-media--phone img {
  max-width: 280px;
  margin: 0 auto;
  border-radius: 18px;
}

.case-grid {
  display: grid;
  gap: 10px;
  text-align: left;
}

.case-grid p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.9;
  color: #3b3b3b;
}

.case-grid strong {
  color: var(--text);
}

.timeline-list {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.timeline-item__date {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

.timeline-item__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: #3b3b3b;
}

.timeline-item__body strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
}

.home-screen .content {
  padding: 38px 54px 40px;
}

.home-screen .page--wide {
  min-height: calc(100vh - 68px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.home-screen .section-block,
.home-screen .back-to-top,
.home-screen .site-footer {
  border-top: 0;
}

@media (max-width: 960px) {
  .home-screen .content {
    padding: 92px 24px 56px;
  }

  .home-screen .page--wide {
    min-height: auto;
    display: block;
  }

  .metrics-row,
  .home-category-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .case-media--phone img {
    max-width: 280px;
  }

  .case-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .case-media-stack {
    width: 100%;
  }

  .case-media-row {
    grid-template-columns: 1fr;
  }

  .hero-banner__title {
    font-size: 1.9rem;
  }
}