:root {
  --teal: #073f42;
  --teal-dark: #052f31;
  --brand-ink: #0c1e22;
  --ivory: #f5f3ed;
  --off-white: #fbfaf7;
  --footer-bg: #f5f3ed;
  --charcoal: #202524;
  --muted: #626a67;
  --coral: #cf7465;
  --line: #c8cbc5;
  --page: clamp(20px, 4.8vw, 72px);
  --section: clamp(92px, 11vw, 164px);
  --max: 1320px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-gutter: auto; background: var(--ivory); }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ivory);
  color: var(--charcoal);
  font-family: Pretendard, "Noto Sans KR", system-ui, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
::selection { background: var(--coral); color: var(--teal-dark); }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--off-white);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  height: 54px;
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}
.wordmark {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0;
  background: transparent;
  color: var(--brand-ink);
  mix-blend-mode: normal;
  text-decoration: none;
  font-size: 18px;
  font-weight: 750;
  line-height: 24px;
  letter-spacing: .025em;
}
.wordmark-label { white-space: nowrap; }
.desktop-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); }
.desktop-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.desktop-nav a:hover { color: var(--teal); }
.desktop-nav .nav-diagnosis { color: var(--coral); }
.mobile-menu { display: none; }

.section { padding: var(--section) var(--page); }
.context {
  margin: 0;
  color: var(--teal);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .12em;
}
.direction-link {
  width: max-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-bottom: 2px solid currentColor;
  color: var(--teal);
  text-decoration: none;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .06em;
}
.direction-link span { transition: transform 180ms ease; }
.direction-link:hover span { transform: translateX(8px); }

.hero {
  position: relative;
  height: 100svh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(18px, 2vw, 32px);
  overflow: hidden;
  padding: clamp(112px, 13vh, 136px) var(--page) clamp(38px, 5vh, 52px);
  background: var(--ivory);
}
.hero-selector {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 20px;
  width: max-content;
  transform: translateY(-50%);
}
.work-selector {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
}
.work-selector-item {
  min-height: 32px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 50px;
  background: rgb(186 186 186 / 20%);
  color: var(--teal);
  font: inherit;
  font-size: clamp(14px, 1.05vw, 16px);
  font-weight: 520;
  line-height: 1.2;
  letter-spacing: -.025em;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}
.work-selector-item:hover,
.work-selector-item:focus-visible,
.work-selector-item.is-active {
  color: var(--teal);
  border-color: currentColor;
  background: transparent;
}
.work-selector-item:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}
.hero-brand-media {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  background: #eee8df;
  transition: opacity 260ms ease, transform 420ms cubic-bezier(.2,.72,.2,1), visibility 0s linear;
}
.hero-brand-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: right center;
}
.hero:not(.is-case) .work-selector-item {
  border-color: transparent;
  background: rgb(12 30 34 / 9%);
  color: var(--brand-ink);
}
.hero:not(.is-case) .work-selector-item:hover,
.hero:not(.is-case) .work-selector-item:focus-visible {
  border-color: currentColor;
  background: transparent;
  color: var(--brand-ink);
}
.hero-context,
.hero-mission {
  position: absolute;
  z-index: 2;
  padding: 0;
  transition: opacity 320ms ease, transform 420ms cubic-bezier(.2,.72,.2,1), visibility 0s linear;
}
.hero-context {
  top: 25vh;
  right: auto;
  left: clamp(320px, 27.7vw, 532px);
  width: clamp(330px, 25vw, 390px);
}
.hero-mission {
  top: calc(66.6667vh - 64px);
  left: calc(33.3333vw + 8px);
  width: calc(66.6667vw - 32px);
}
.hero h1 {
  margin: 0;
  color: var(--brand-ink);
  font-weight: 520;
}
.hero-claim-en {
  display: block;
  white-space: normal;
  font-size: 88px;
  line-height: 1;
  letter-spacing: -.055em;
  font-weight: 780;
}
.hero-claim-en > span { display: block; width: max-content; }
.hero-claim-en > .hero-claim-highlight {
  margin-top: 0;
  margin-left: 200px;
  padding: 0 .07em .02em;
  background: var(--coral);
  color: var(--teal-dark);
  line-height: 1;
}
.hero-claim-ko {
  display: block;
  margin-top: 24px;
  margin-left: 0;
  font-size: clamp(23px, 2vw, 31px);
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 650;
  word-break: keep-all;
}
.hero-description {
  width: 100%;
  margin: 0;
  color: rgb(14 33 39 / 80%);
  font-size: clamp(16px, 1.15vw, 18px);
  font-weight: 450;
  line-height: 1.72;
  letter-spacing: -.01em;
  word-break: keep-all;
}
.hero-description > span { display: block; }
.hero-description > .hero-description-paragraph { margin-top: 1em; }
.hero-description strong { font-weight: 700; }
.hero.hero--dark:not(.is-case) h1,
.hero.hero--dark:not(.is-case) .hero-description {
  color: #f5f3ed;
}
.hero.hero--dark:not(.is-case) .hero-description {
  color: rgb(245 243 237 / 82%);
}
.hero.hero--dark:not(.is-case) .work-selector-item {
  border-color: transparent;
  background: rgb(245 243 237 / 12%);
  color: #f5f3ed;
}
.hero.hero--dark:not(.is-case) .work-selector-item:hover,
.hero.hero--dark:not(.is-case) .work-selector-item:focus-visible {
  border-color: currentColor;
  background: transparent;
  color: #f5f3ed;
}
body:has(.hero.hero--dark:not(.is-case)):not(.global-menu-active) > .site-header .wordmark {
  color: #f5f3ed;
}
body:has(.hero.hero--dark:not(.is-case)):not(.global-menu-active) .global-menu-open {
  border-color: transparent;
  background: rgb(245 243 237 / 12%);
  color: #f5f3ed;
}
.hero-case {
  position: absolute;
  z-index: 3;
  inset: 0;
  min-width: 100%;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity 300ms ease, transform 420ms cubic-bezier(.2,.72,.2,1), visibility 0s linear 420ms;
}
.hero-case-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--brand-ink);
}
.hero-case-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transform: scale(1.01);
  will-change: opacity, transform;
  transition: opacity 300ms cubic-bezier(.2,.72,.2,1), transform 520ms cubic-bezier(.2,.72,.2,1);
}
.hero-case-media img.is-visible { opacity: 1; transform: scale(1); }
.hero-case-media-pending {
  position: absolute;
  inset: 0;
  margin: 0;
  display: grid;
  place-items: center;
  color: rgb(251 250 247 / 52%);
  font-size: 9px;
  font-weight: 650;
  line-height: 1;
  letter-spacing: .12em;
}
.hero-case-media-pending[hidden],
.hero-case-media img[hidden] { display: none !important; }
.hero-case-copy {
  position: absolute;
  z-index: 2;
  right: var(--page);
  bottom: clamp(28px, 4vh, 48px);
  width: clamp(420px, 36vw, 540px);
  padding: clamp(24px, 2vw, 30px);
  background: var(--off-white);
  color: var(--charcoal);
}
.work-preview-industry {
  margin: 0 0 20px;
  color: var(--charcoal);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.025em;
}
.work-preview-details {
  display: block;
}
.work-preview-details > div {
  border-top: 1px solid rgb(32 37 36 / 24%);
  padding-top: 12px;
}
.work-preview-details > div + div { margin-top: 18px; }
.work-preview-label {
  margin: 0 0 9px;
  color: var(--teal);
  font-size: 9px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: .12em;
}
.work-preview-details p:last-child {
  margin: 0;
  color: var(--charcoal);
  font-size: 13px;
  line-height: 1.52;
  word-break: keep-all;
  white-space: pre-line;
}
.case-approach-list {
  display: grid;
  gap: 8px;
}
.case-approach-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}
.case-approach-item > span {
  padding-top: 2px;
  color: var(--coral);
  font-size: 8px;
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: .08em;
}
.work-case-link {
  width: max-content;
  min-height: 44px;
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid currentColor;
  color: var(--teal);
  text-decoration: none;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .08em;
}
.work-case-link span { transition: transform 160ms ease; }
.work-case-link:hover span { transform: translate(3px, -3px); }
.work-case-link.is-disabled {
  color: var(--muted);
  cursor: default;
  opacity: .55;
}
.hero-case-close { display: none; }
.hero.is-case .hero-context,
.hero.is-case .hero-mission {
  opacity: 0;
  visibility: hidden;
  transform: none;
  transition-delay: 0s, 0s, 320ms;
}
.hero.is-case .hero-brand-media {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.015);
  transition-delay: 0s, 0s, 260ms;
}
.hero.is-case .hero-case {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 80ms, 80ms, 0s;
}
.hero.is-case .work-selector-item {
  min-height: 32px;
  padding: 0 14px;
  border-color: transparent;
  background: rgb(5 18 21 / 42%);
  color: rgb(251 250 247 / 76%);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.2;
  transform: none;
}
.hero.is-case .work-selector-item:hover,
.hero.is-case .work-selector-item:focus-visible,
.hero.is-case .work-selector-item.is-active {
  border-color: currentColor;
  background: transparent;
  color: var(--off-white);
}

.visual-slot,
.slot-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: var(--off-white);
  text-align: center;
}
.visual-slot span,
.slot-field span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
}
.visual-slot strong,
.slot-field strong {
  margin-top: 12px;
  color: var(--coral);
  font-size: clamp(24px, 3vw, 46px);
  line-height: 1;
  letter-spacing: -.04em;
}
.visual-slot small { margin-top: 18px; color: rgb(251 250 247 / 58%); font-size: 9px; letter-spacing: .12em; }
.experts { background: var(--off-white); }
.section-heading {
  width: min(100%, var(--max));
  margin: 0 auto clamp(64px, 9vw, 120px);
  display: grid;
  grid-template-columns: 3fr 6fr 3fr;
  gap: 30px;
  align-items: end;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(48px, 5.7vw, 84px);
  line-height: 1;
  letter-spacing: -.06em;
  font-weight: 700;
}
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 14px; word-break: keep-all; }
.expert-layout {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 42px);
  row-gap: clamp(76px, 10vw, 140px);
}
.expert-slot-primary { grid-column: 1 / span 7; }
.expert-slot-secondary { grid-column: 9 / span 4; margin-top: 110px; }
.expert-slot-wide { grid-column: 4 / span 8; }
.expert-slot .slot-field { min-height: 430px; background: var(--teal-dark); }
.expert-slot-secondary .slot-field { min-height: 520px; }
.expert-slot-wide .slot-field { min-height: 360px; background: var(--teal); }
.expert-slot p { margin: 14px 0 0; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .1em; }

.problem {
  min-height: 900px;
  display: grid;
  grid-template-columns: minmax(360px, 5fr) minmax(0, 7fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: center;
  background: var(--charcoal);
  color: var(--off-white);
}
.problem-copy,
.problem-slot { min-width: 0; }
.problem h2 {
  margin: 0;
  font-size: clamp(58px, 6.6vw, 98px);
  line-height: 1.01;
  letter-spacing: -.065em;
  font-weight: 700;
  word-break: keep-all;
}
.comparison-terms { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 44px; color: var(--coral); font-size: 18px; font-weight: 700; }
.problem-slot { aspect-ratio: 16 / 11; min-height: 520px; background: var(--ivory); color: var(--charcoal); }
.problem-slot small { color: var(--muted); }

.delta {
  min-height: 820px;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(56px, 8vw, 140px);
  align-items: center;
  background: var(--teal);
  color: var(--off-white);
}
.delta-symbol { margin: 0 0 28px; color: var(--coral); font-size: clamp(72px, 9vw, 132px); line-height: .7; font-weight: 500; }
.delta h2 {
  margin: 0;
  font-size: clamp(48px, 5.7vw, 84px);
  line-height: 1.08;
  letter-spacing: -.058em;
  font-weight: 680;
  word-break: keep-all;
}
.delta-flow ol { margin: 0 0 46px; padding: 0; list-style: none; border-top: 2px solid rgb(251 250 247 / 28%); }
.delta-flow li { padding: 20px 0; border-bottom: 1px solid rgb(251 250 247 / 22%); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.direction-link-light { color: var(--off-white); }

.authority {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(60px, 10vw, 160px);
  align-items: start;
  background: var(--off-white);
}
.authority h2 {
  margin: 34px 0 0;
  font-size: clamp(56px, 6.6vw, 96px);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 700;
}
.authority-items { border-top: 2px solid var(--charcoal); }
.authority-items a {
  min-height: 126px;
  display: grid;
  grid-template-columns: 2fr 3fr 24px;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.authority-items a:hover { color: var(--teal); }
.authority-items strong { font-size: clamp(28px, 3vw, 42px); line-height: 1; letter-spacing: -.04em; }
.authority-items span { color: var(--muted); font-size: 15px; }
.authority-items i { font-style: normal; }

.diagnosis {
  min-height: 700px;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(56px, 9vw, 150px);
  align-items: center;
  background: var(--teal-dark);
  color: var(--off-white);
}
.diagnosis .context { color: var(--coral); }
.diagnosis h2 {
  margin: 34px 0 0;
  font-size: clamp(58px, 6.8vw, 100px);
  line-height: 1;
  letter-spacing: -.065em;
  font-weight: 700;
  word-break: keep-all;
}
.diagnosis-action-wrap p { margin: 0 0 28px; color: rgb(251 250 247 / 68%); font-size: 16px; word-break: keep-all; }
.diagnosis-action {
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--coral);
  color: var(--teal-dark);
  text-decoration: none;
  font-weight: 750;
}
.diagnosis-action:hover { background: var(--off-white); }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px var(--page);
  background: var(--footer-bg);
  color: #000;
  border-top: 1px solid rgb(32 37 36 / 18%);
}
.site-footer a { text-decoration: none; font-weight: 800; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; }
.footer-brand img {
  width: 34px;
  height: 34px;
  display: block;
  object-fit: contain;
}
.footer-brand span { font-size: 11px; letter-spacing: .08em; }
.site-footer p { margin: 0; color: rgb(32 37 36 / 68%); font-size: 12px; }

@media (max-width: 900px) {
  .hero-context { right: auto; left: 10vw; }
  .hero-mission { left: 28vw; }
  .hero-claim-en { font-size: clamp(66px, 9vw, 82px); }
  .section-heading { grid-template-columns: 1fr 3fr; }
  .section-heading > p:last-child { grid-column: 2; }
  .problem, .delta { grid-template-columns: 1fr; }
  .authority, .diagnosis { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  html {
    scrollbar-gutter: auto;
    scrollbar-width: none;
  }
  html::-webkit-scrollbar,
  body::-webkit-scrollbar { display: none; width: 0; height: 0; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; position: relative; }
  .mobile-menu summary {
    min-width: 56px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    list-style: none;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
  }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav {
    position: absolute;
    top: 48px;
    right: 0;
    width: min(78vw, 300px);
    display: grid;
    padding: 16px;
    background: var(--teal-dark);
    color: var(--off-white);
  }
  .mobile-menu nav a { min-height: 48px; display: flex; align-items: center; text-decoration: none; }
  .section { padding-top: 96px; padding-bottom: 96px; }

  .hero {
    height: auto;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 72px 0 28px;
  }
  .hero.is-case {
    height: auto;
    min-height: auto;
    display: block;
    overflow: visible;
    padding: 76px 0 0;
    background: var(--off-white);
  }
  .hero-selector {
    position: relative;
    z-index: 5;
    top: auto;
    left: 0;
    width: 100%;
    flex: 0 0 auto;
    transform: none;
  }
  .work-selector {
    width: 100%;
    margin-left: 0;
    padding: 0 22px;
    flex-direction: row;
    gap: 8px;
    overflow-x: auto;
    border-bottom: 0;
    scrollbar-width: none;
    overscroll-behavior-inline: contain;
  }
  .work-selector::-webkit-scrollbar { display: none; }
  .work-selector-item {
    min-width: max-content;
    height: 44px;
    min-height: 44px;
    padding: 0 13px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 14px;
    line-height: 44px;
    white-space: nowrap;
  }
  .hero:not(.is-case) .work-selector-item {
    border-color: transparent;
    background: rgb(12 30 34 / 9%);
    color: var(--brand-ink);
  }
  .hero:not(.is-case) .work-selector-item:hover,
  .hero:not(.is-case) .work-selector-item:focus-visible {
    border-color: currentColor;
    background: transparent;
    color: var(--brand-ink);
  }
  .work-selector-item:hover,
  .work-selector-item:focus-visible,
  .work-selector-item.is-active {
    border-color: currentColor;
    background: transparent;
  }
  .hero-context {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    width: min(335px, calc(100% - 44px));
    margin: 28px 22px 0;
    flex: 0 0 auto;
  }
  .hero-mission {
    position: relative;
    top: auto;
    left: auto;
    width: calc(100% - 44px);
    margin: 42px 22px 0;
    padding: 0;
    flex: 0 0 auto;
  }
  .hero-brand-media {
    top: 0;
    left: 0;
  }
  .hero-brand-media img { object-position: 55% center; }
  .hero:not(.is-case) .hero-brand-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgb(245 243 237 / 88%) 0%, rgb(245 243 237 / 64%) 46%, rgb(245 243 237 / 10%) 78%);
    pointer-events: none;
  }
  .hero.hero--dark:not(.is-case) .hero-brand-media::after {
    background: linear-gradient(90deg, rgb(7 13 15 / 70%) 0%, rgb(7 13 15 / 42%) 46%, rgb(7 13 15 / 8%) 78%);
  }
  .hero-claim-en {
    white-space: normal;
    font-size: clamp(44px, 13.2vw, 56px);
    line-height: .95;
    letter-spacing: -.045em;
    font-weight: 780;
  }
  .hero-claim-en > span { display: block; }
  .hero-claim-en > .hero-claim-highlight {
    width: max-content;
    max-width: 100%;
    margin: 7px 0 0;
  }
  .hero-claim-ko {
    margin-top: 22px;
    margin-left: 0;
    font-size: clamp(23px, 6.35vw, 25px);
    line-height: 1.2;
    letter-spacing: -.03em;
    font-weight: 650;
  }
  .hero-description {
    width: 100%;
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    word-break: keep-all;
  }
  .hero-description > span { display: inline; }
  .hero-description > span + span::before { content: " "; }
  .hero-description > .hero-description-paragraph {
    display: block;
    margin-top: 1em;
  }
  .hero-description > .hero-description-paragraph::before { content: none; }
  .hero-case {
    position: absolute;
    inset: 168px 0 auto;
    display: block;
    min-height: 0;
  }
  .hero.is-case .hero-selector {
    position: absolute;
    z-index: 5;
    top: 72px;
    left: 0;
    width: 100%;
  }
  .hero.is-case .work-selector {
    width: 100%;
    margin-left: 0;
    padding: 0 22px;
  }
  .hero.is-case .hero-context,
  .hero.is-case .hero-mission { display: none; }
  .hero.is-case .hero-brand-media { transform: none; }
  .hero.is-case .hero-case {
    position: relative;
    inset: auto;
    width: 100%;
    min-width: 0;
    overflow: visible;
  }
  .hero-case-close {
    position: absolute;
    z-index: 6;
    top: 58px;
    right: var(--page);
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 0;
    background: var(--off-white);
    color: var(--charcoal);
    font: inherit;
    font-size: 20px;
    cursor: pointer;
  }
  .hero-case-media {
    position: relative;
    inset: auto;
    height: clamp(360px, 118vw, 520px);
    min-height: 0;
  }
  .hero-case-copy {
    position: relative;
    right: auto;
    bottom: auto;
    width: auto;
    padding: 30px var(--page) 42px;
    background: var(--off-white);
  }
  .work-preview-industry { margin-bottom: 22px; }
  .work-preview-details { display: block; }
  .work-preview-details > div + div { margin-top: 24px; }
  .work-preview-details p:last-child { font-size: 13px; line-height: 1.65; }
  .case-approach-list { gap: 12px; }
  .case-approach-item { grid-template-columns: 22px minmax(0, 1fr); gap: 9px; }
  .work-case-link { margin-top: 26px; }

  .section-heading { display: block; margin-bottom: 60px; }
  .section-heading h2 { margin-top: 22px; font-size: 46px; }
  .section-heading > p:last-child { margin-top: 18px; }
  .expert-layout { display: block; }
  .expert-slot { margin: 0 0 62px; }
  .expert-slot-secondary { margin-left: 14vw; }
  .expert-slot-wide { margin-right: 10vw; }
  .expert-slot .slot-field { min-height: 340px; }
  .expert-slot-secondary .slot-field { min-height: 410px; }
  .expert-slot-wide .slot-field { min-height: 300px; }

  .problem { min-height: auto; }
  .problem h2 { font-size: clamp(48px, 13.4vw, 58px); }
  .problem h2 { word-break: normal; }
  .comparison-terms { margin-top: 34px; }
  .problem-slot { width: 100%; min-height: 360px; margin-top: 22px; aspect-ratio: auto; }

  .delta { min-height: auto; gap: 64px; }
  .delta h2 { font-size: clamp(42px, 11.8vw, 52px); }

  .authority h2 { font-size: 54px; }
  .authority-items { margin-top: 48px; }
  .authority-items a { min-height: 108px; grid-template-columns: 1.5fr 2fr 18px; gap: 12px; }
  .authority-items strong { font-size: 28px; }
  .authority-items span { font-size: 13px; }

  .diagnosis { min-height: auto; gap: 58px; }
  .diagnosis h2 { font-size: clamp(48px, 13.5vw, 58px); }

  .site-footer { padding: 18px var(--page); }
}

/* Keep the desktop composition, but remove context once the DELTA structure crosses its text. */
@media (min-width: 968px) and (max-width: 1279px) {
  .hero:not(.is-case) .hero-context {
    display: none;
  }
}

/* MetaLab-measured compact Hero composition: wide context collapses at 967px. */
@media (max-width: 967px) {
  .site-header {
    height: 48px;
    padding-inline: 16px;
  }

  .hero:not(.is-case) {
    position: relative;
    height: 100svh;
    min-height: 100svh;
    display: block;
    padding: 0;
  }

  .hero:not(.is-case) .hero-context {
    display: none;
  }

  .hero:not(.is-case) .hero-mission {
    position: absolute;
    z-index: 2;
    top: calc(25svh - 44px);
    left: 16px;
    width: min(360px, calc(100% - 32px));
    margin: 0;
    padding: 0;
  }

  .hero:not(.is-case) .hero-claim-en {
    font-size: 44px;
    line-height: 1;
    letter-spacing: -.045em;
  }

  .hero:not(.is-case) .hero-claim-en > .hero-claim-highlight {
    margin: 7px 0 0;
  }

  .hero:not(.is-case) .hero-claim-ko {
    margin-top: 18px;
    font-size: clamp(19px, 4.8vw, 23px);
    line-height: 1.2;
  }

  .hero:not(.is-case) .hero-selector {
    position: absolute;
    z-index: 5;
    inset: 0;
    width: 100%;
    height: 100svh;
    padding: 50svh 0 50svh 16px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    pointer-events: none;
    transform: none;
  }

  .hero:not(.is-case) .hero-selector::-webkit-scrollbar {
    display: none;
  }

  .hero:not(.is-case) .work-selector {
    width: max-content;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    overflow: visible;
    pointer-events: auto;
  }

  .hero:not(.is-case) .work-selector-item {
    width: auto;
    min-width: 0;
    height: 32px;
    min-height: 32px;
    padding: 0 14px;
    font-size: 16px;
    line-height: 30px;
  }
}

/* Preserve the same compact rail when a 681-967px canvas enters a Case scene. */
@media (min-width: 681px) and (max-width: 967px) {
  .hero.is-case .hero-selector {
    position: absolute;
    z-index: 5;
    inset: 0;
    width: 100%;
    height: 100svh;
    padding: 50svh 0 50svh 16px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    pointer-events: none;
    transform: none;
  }

  .hero.is-case .hero-selector::-webkit-scrollbar {
    display: none;
  }

  .hero.is-case .work-selector {
    width: max-content;
    margin: 0;
    padding: 0;
    gap: 4px;
    pointer-events: auto;
  }

  .hero.is-case .work-selector-item {
    width: auto;
    min-width: 0;
    height: 32px;
    min-height: 32px;
    padding: 0 14px;
    font-size: 16px;
    line-height: 30px;
  }
}

@media (max-width: 967px) {
  .hero:not(.is-case) .work-selector-item:hover,
  .hero:not(.is-case) .work-selector-item:focus-visible {
    border-color: transparent;
    background: rgb(12 30 34 / 9%);
    color: var(--brand-ink);
  }
}

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