/* ==========================================================================
   WAVEON — Corporate Website
   ========================================================================== */

:root {
  --dark: #05070f;
  --dark-2: #0a1020;
  --dark-3: #111a30;
  --navy: #385383;       /* logo: WAVE */
  --sky: #5b95c3;        /* logo: ON */
  --sky-300: #9cc4e4;
  --sky-100: #e8f1f9;
  --blue: #2f7cf6;
  --violet: #7c6cff;
  --cyan: #6ee7ff;

  --grad: linear-gradient(120deg, #b9dcff 0%, #5b95c3 30%, #2f7cf6 65%, #7c6cff 100%);
  --grad-btn: linear-gradient(120deg, #3b8bff, #6a5cff);

  --ink: #0b1222;
  --ink-2: #3a4458;
  --ink-3: #6b7489;
  --line: #e6e9f0;
  --bg-soft: #f4f6fa;

  --d-text: rgba(255, 255, 255, .92);
  --d-dim: rgba(255, 255, 255, .58);
  --d-line: rgba(255, 255, 255, .09);
  --d-card: rgba(255, 255, 255, .035);

  --radius: 24px;
  --radius-sm: 14px;
  --shadow: 0 12px 40px rgba(11, 18, 34, .08);
  --shadow-lg: 0 30px 80px rgba(11, 18, 34, .16);

  --container: 1240px;
  --header-h: 88px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: #fff;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
::selection { background: var(--blue); color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 1000;
  padding: 10px 16px; border-radius: 8px; background: var(--blue); color: #fff;
}
.skip-link:focus { top: 16px; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* --------------------------------------------------------------------------
   Header (floating glass)
   -------------------------------------------------------------------------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: height .4s var(--ease);
}
.header__bar {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; margin: 0 auto; max-width: calc(var(--container) + 40px);
  border-radius: 999px;
  transition: background-color .4s, box-shadow .4s, height .4s var(--ease), max-width .4s var(--ease);
}
.header.is-scrolled { height: 76px; }
.header.is-scrolled .header__bar,
.header.is-open .header__bar {
  height: 60px; max-width: var(--container);
  background: rgba(10, 16, 32, .72);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08), 0 20px 50px rgba(0, 0, 0, .3);
}

.logo img { height: 24px; width: auto; filter: brightness(0) invert(1); }

.gnb { display: flex; align-items: center; gap: 4px; }
.gnb > li { position: relative; }
.gnb > li > a {
  display: block; padding: 10px 18px; border-radius: 999px;
  font-size: 14px; font-weight: 600; letter-spacing: .06em;
  color: rgba(255, 255, 255, .72); transition: color .2s, background-color .2s;
}
.gnb > li > a:hover { color: #fff; background: rgba(255, 255, 255, .06); }
.gnb > li > a.is-active { color: #fff; }
.gnb > li > a.is-active::after {
  content: ""; display: block; width: 4px; height: 4px; margin: 4px auto -8px; border-radius: 50%; background: var(--cyan);
}
.gnb .btn-contact {
  margin-left: 10px; padding: 10px 22px;
  background: #fff; color: var(--dark) !important;
}
.gnb .btn-contact:hover { background: var(--sky-100); }
.gnb .btn-contact.is-active::after { display: none; }

.sub-menu {
  position: absolute; left: 50%; top: calc(100% + 10px);
  min-width: 180px; padding: 8px;
  background: rgba(14, 21, 40, .96); border-radius: 16px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08), 0 24px 60px rgba(0, 0, 0, .4);
  opacity: 0; visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity .2s, transform .25s var(--ease), visibility .2s;
}
.sub-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.gnb > li:hover .sub-menu,
.gnb > li:focus-within .sub-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.sub-menu a {
  display: block; padding: 10px 14px; border-radius: 10px;
  font-size: 14px; color: rgba(255, 255, 255, .72); white-space: nowrap;
}
.sub-menu a:hover { background: rgba(255, 255, 255, .07); color: #fff; }

.menu-toggle { display: none; width: 44px; height: 44px; position: relative; }
.menu-toggle span {
  position: absolute; left: 11px; width: 22px; height: 2px; border-radius: 2px; background: #fff;
  transition: transform .3s var(--ease), opacity .2s;
}
.menu-toggle span:nth-child(1) { top: 15px; }
.menu-toggle span:nth-child(2) { top: 21px; }
.menu-toggle span:nth-child(3) { top: 27px; }
.header.is-open .menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.header.is-open .menu-toggle span:nth-child(2) { opacity: 0; }
.header.is-open .menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Buttons / common
   -------------------------------------------------------------------------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  transition: transform .3s var(--ease), background-color .3s, box-shadow .3s, color .3s;
}
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--grad-btn); color: #fff; box-shadow: 0 12px 32px rgba(59, 139, 255, .35), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(59, 139, 255, .45), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn--ghost { color: #fff; background: rgba(255, 255, 255, .04); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); }
.btn--dark { background: var(--dark); color: #fff; }
.btn--dark:hover { background: var(--dark-3); transform: translateY(-2px); }
.btn--white { background: #fff; color: var(--dark); }
.btn--white:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(0, 0, 0, .25); }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--blue); }
.link-arrow svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }
.section--dark .link-arrow { color: var(--cyan); }

.section { position: relative; padding: 140px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--dark); color: var(--d-text); overflow: hidden; isolation: isolate; }
.section--dark.has-glow::before {
  content: ""; position: absolute; left: 50%; top: -300px; z-index: -1; width: 1100px; height: 700px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(47, 124, 246, .22), transparent);
  pointer-events: none;
}
.bg-grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--blue);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px rgba(47, 124, 246, .15); }
.section--dark .eyebrow { color: var(--cyan); }
.section--dark .eyebrow::before { box-shadow: 0 0 12px var(--cyan); }

.section-head { position: relative; margin-bottom: 72px; }
.section-head--center { text-align: center; }
.section-head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
.section-title {
  margin-top: 20px;
  font-size: clamp(32px, 4.6vw, 60px); line-height: 1.18; font-weight: 800; letter-spacing: -.035em;
}
.section-desc { margin-top: 22px; font-size: 18px; color: var(--ink-3); max-width: 640px; }
.section-head--center .section-desc { margin-left: auto; margin-right: auto; }
.section--dark .section-desc { color: var(--d-dim); }

/* spotlight card (mouse-follow glow) */
.spot { position: relative; isolation: isolate; }
.spot::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--x, 50%) var(--y, 50%), rgba(110, 231, 255, .13), transparent 45%);
  opacity: 0; transition: opacity .4s;
}
.spot:hover::before { opacity: 1; }

/* --------------------------------------------------------------------------
   Hero (main)
   -------------------------------------------------------------------------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  background: var(--dark); color: #fff; overflow: hidden; isolation: isolate;
}
.aurora { position: absolute; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.aurora i {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55;
  animation: float 18s ease-in-out infinite alternate;
}
.aurora i:nth-child(1) { width: 620px; height: 620px; left: -120px; top: -160px; background: #2f7cf6; }
.aurora i:nth-child(2) { width: 540px; height: 540px; right: -140px; top: 60px; background: #7c6cff; animation-duration: 22s; opacity: .4; }
.aurora i:nth-child(3) { width: 460px; height: 460px; left: 38%; top: 38%; background: #5b95c3; animation-duration: 26s; opacity: .35; }
@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, 40px) scale(1.12); }
  100% { transform: translate(-40px, 90px) scale(.95); }
}
.hero__floor {
  position: absolute; left: -50%; right: -50%; bottom: -10%; height: 60%; z-index: -1;
  background-image:
    linear-gradient(rgba(110, 231, 255, .32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 231, 255, .32) 1px, transparent 1px);
  background-size: 80px 80px;
  transform: perspective(700px) rotateX(64deg);
  transform-origin: center top;
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  animation: floorMove 6s linear infinite;
}
@keyframes floorMove { to { background-position: 0 80px; } }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, transparent 30%, var(--dark) 85%);
}

.hero .container { position: relative; text-align: center; padding-top: calc(var(--header-h) + 24px); padding-bottom: 48px; }
.hero__kicker {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px 8px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, .05); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font-size: 13px; color: rgba(255, 255, 255, .8);
}
.hero__kicker b {
  padding: 3px 10px; border-radius: 999px; background: var(--grad-btn);
  font-size: 11px; font-weight: 700; letter-spacing: .08em; color: #fff;
}
.hero__title {
  margin-top: 28px;
  font-size: clamp(48px, 8.6vw, 124px); line-height: .98; font-weight: 800; letter-spacing: -.05em;
}
.hero__rotator { display: block; height: 1.12em; overflow: hidden; position: relative; }
.hero__rotator span {
  position: absolute; left: 0; right: 0; top: 0; white-space: nowrap;
  transform: translateY(110%); opacity: 0;
  transition: transform .9s var(--ease), opacity .9s var(--ease);
}
.hero__rotator span.is-active { transform: translateY(0); opacity: 1; }
.hero__rotator span.is-leaving { transform: translateY(-110%); opacity: 0; }
.hero__desc { margin: 28px auto 0; max-width: 620px; font-size: clamp(16px, 1.5vw, 19px); color: var(--d-dim); }
.hero__actions { margin-top: 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.hero-stats {
  position: relative; margin: 64px auto 0; max-width: 1000px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .03);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
}
.hero-stats > div { padding: 28px 24px; text-align: center; }
.hero-stats > div + div { box-shadow: inset 1px 0 0 rgba(255, 255, 255, .08); }
.hero-stats strong { display: block; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.1; font-weight: 800; letter-spacing: -.03em; }
.hero-stats strong small { font-size: .5em; margin-left: 2px; color: var(--d-dim); font-weight: 700; }
.hero-stats span { font-size: 13px; color: var(--d-dim); }

/* --------------------------------------------------------------------------
   Marquee
   -------------------------------------------------------------------------- */
.marquee { position: relative; overflow: hidden; padding: 34px 0; background: var(--dark); border-top: 1px solid var(--d-line); border-bottom: 1px solid var(--d-line); }
.marquee__track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee__track span {
  display: inline-flex; align-items: center; gap: 48px; padding-right: 48px;
  font-size: clamp(28px, 3.6vw, 48px); font-weight: 800; letter-spacing: -.02em; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .28);
}
.marquee__track span:nth-child(odd) { color: rgba(255, 255, 255, .9); -webkit-text-stroke: 0; }
.marquee__track span::after { content: "✦"; font-size: .45em; color: var(--sky); -webkit-text-stroke: 0; }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee::before, .marquee::after { content: ""; position: absolute; top: 0; bottom: 0; width: 160px; z-index: 1; pointer-events: none; }
.marquee::before { left: 0; background: linear-gradient(90deg, var(--dark), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--dark), transparent); }

/* --------------------------------------------------------------------------
   Statement (word highlight on scroll)
   -------------------------------------------------------------------------- */
.statement { padding: 180px 0; }
.statement__text {
  max-width: 1080px;
  font-size: clamp(28px, 4vw, 54px); line-height: 1.45; font-weight: 700; letter-spacing: -.03em;
}
.statement__text .w { color: rgba(255, 255, 255, .14); transition: color .4s; }
.statement__text .w.on { color: #fff; }
.statement__text .w.hl.on { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.no-js .statement__text .w { color: #fff; }
.statement__foot { margin-top: 64px; display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.statement__foot p { color: var(--d-dim); max-width: 520px; }

/* --------------------------------------------------------------------------
   Bento (capabilities)
   -------------------------------------------------------------------------- */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(260px, auto); gap: 18px; }
.bento__item {
  position: relative; overflow: hidden;
  padding: 36px; border-radius: var(--radius);
  background: var(--d-card); box-shadow: inset 0 0 0 1px var(--d-line);
  display: flex; flex-direction: column; justify-content: space-between;
  transition: box-shadow .4s;
}
.bento__item:hover { box-shadow: inset 0 0 0 1px rgba(110, 231, 255, .25); }
.bento__item--a { grid-column: span 7; grid-row: span 2; }
.bento__item--b { grid-column: span 5; }
.bento__item--c { grid-column: span 5; }
.bento__item--d { grid-column: span 6; }
.bento__item--e { grid-column: span 6; }
.bento__head { display: flex; justify-content: space-between; align-items: flex-start; }
.bento__num { font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--d-dim); }
.bento__icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(110, 231, 255, .2), rgba(124, 108, 255, .2));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
  color: #fff;
}
.bento__icon svg { width: 26px; height: 26px; }
.bento__item h3 { margin-top: 28px; font-size: 26px; line-height: 1.25; font-weight: 700; letter-spacing: -.02em; color: #fff; }
.bento__item h3 small { display: block; margin-top: 6px; font-size: 15px; font-weight: 500; letter-spacing: 0; color: var(--sky-300); }
.bento__item p { margin-top: 12px; font-size: 15px; color: var(--d-dim); max-width: 440px; }
.bento__item--a { padding: 0; justify-content: flex-end; }
.bento__media { position: absolute; inset: 0; z-index: -2; }
.bento__media img { width: 100%; height: 100%; object-fit: cover; opacity: .45; transform: scale(1.04); transition: transform 1.2s var(--ease), opacity .6s; }
.bento__item--a:hover .bento__media img { transform: scale(1.1); opacity: .55; }
.bento__item--a::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(5, 7, 15, .1), rgba(5, 7, 15, .92) 75%); }
.bento__body { padding: 44px; }
.bento__item--a h3 { font-size: clamp(28px, 3vw, 40px); }
.bento__tags { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.bento__tags span { padding: 6px 14px; border-radius: 999px; font-size: 13px; color: rgba(255, 255, 255, .8); background: rgba(255, 255, 255, .06); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1); }
.bento__item--e { background: linear-gradient(135deg, rgba(47, 124, 246, .25), rgba(124, 108, 255, .18)); }
.bento__devices { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.bento__devices span { padding: 8px 16px; border-radius: 12px; font-size: 14px; font-weight: 600; color: #fff; background: rgba(255, 255, 255, .08); }

/* --------------------------------------------------------------------------
   Services (sticky stack)
   -------------------------------------------------------------------------- */
.stack { display: grid; gap: 40px; }
.stack-card {
  position: sticky; top: calc(110px + var(--i, 0) * 28px);
  display: grid; grid-template-columns: 1fr 1.1fr; align-items: stretch;
  min-height: 460px; border-radius: 32px; overflow: hidden;
  background: #fff; box-shadow: 0 0 0 1px var(--line), var(--shadow-lg);
}
.stack-card__body { padding: 56px 60px; display: flex; flex-direction: column; }
.stack-card__top { display: flex; align-items: center; justify-content: space-between; }
.stack-card__num { font-size: 15px; font-weight: 700; color: var(--ink-3); }
.stack-card__tag { padding: 7px 14px; border-radius: 999px; background: var(--sky-100); color: var(--navy); font-size: 13px; font-weight: 700; }
.stack-card h3 { margin-top: auto; padding-top: 40px; font-size: clamp(32px, 3.6vw, 48px); line-height: 1.1; font-weight: 800; letter-spacing: -.04em; }
.stack-card h3 small { display: block; margin-bottom: 14px; font-size: 16px; font-weight: 600; letter-spacing: 0; color: var(--blue); }
.stack-card p { margin-top: 20px; color: var(--ink-2); font-size: 16px; }
.stack-card__media { position: relative; background: var(--sky-100); }
.stack-card__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.stack-card__media--contain img, .biz-item__media--contain img { object-fit: contain; padding: 8%; background: #f3f4f6; }

/* --------------------------------------------------------------------------
   IP / patents
   -------------------------------------------------------------------------- */
.ip { display: grid; grid-template-columns: 1fr 1.25fr; gap: 80px; align-items: start; }
.ip__aside { position: sticky; top: 140px; }
.ip__big { margin-top: 48px; display: flex; align-items: baseline; gap: 12px; }
.ip__big strong { font-size: clamp(96px, 12vw, 168px); line-height: .85; font-weight: 800; letter-spacing: -.06em; }
.ip__big > span { font-size: 18px; font-weight: 600; color: var(--d-dim); }
.ip__aside .link-arrow { margin-top: 40px; }
.ip__list li { border-top: 1px solid var(--d-line); }
.ip__list li:last-child { border-bottom: 1px solid var(--d-line); }
.ip__list a {
  display: grid; grid-template-columns: 56px 1fr 24px; align-items: center; gap: 16px;
  padding: 26px 8px; transition: padding .4s var(--ease), background-color .3s;
}
.ip__list a:hover { padding-left: 20px; background: rgba(255, 255, 255, .03); }
.ip__list em { font-style: normal; font-size: 13px; font-weight: 700; color: var(--sky); }
.ip__list span { font-size: 18px; font-weight: 600; line-height: 1.5; color: rgba(255, 255, 255, .88); }
.ip__list svg { width: 20px; height: 20px; color: var(--d-dim); transition: transform .3s var(--ease), color .3s; }
.ip__list a:hover svg { transform: translateX(4px); color: #fff; }

/* --------------------------------------------------------------------------
   Milestones (horizontal)
   -------------------------------------------------------------------------- */
.milestones { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); }
.milestones::before { content: ""; position: absolute; left: 0; right: 0; top: 56px; height: 1px; background: linear-gradient(90deg, var(--blue), var(--line)); }
.ms { position: relative; padding-right: 24px; }
.ms__year { font-size: 34px; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.ms__dot { display: block; width: 13px; height: 13px; margin: 16px 0 28px; border-radius: 50%; background: #fff; box-shadow: inset 0 0 0 3px var(--blue), 0 0 0 6px rgba(47, 124, 246, .1); }
.ms:first-child .ms__dot { background: var(--blue); box-shadow: 0 0 0 6px rgba(47, 124, 246, .18), 0 0 20px rgba(47, 124, 246, .6); }
.ms p { font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.ms p + p { margin-top: 8px; }

.partners { margin-top: 96px; padding-top: 48px; border-top: 1px solid var(--line); display: flex; align-items: center; gap: 40px; }
.partners > p { flex-shrink: 0; font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--ink-3); }
.partners__wrap { position: relative; overflow: hidden; flex: 1; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.partners .marquee__track { animation-duration: 30s; }
.partners .marquee__track span { padding-right: 64px; font-size: 18px; font-weight: 700; color: var(--ink-3); -webkit-text-stroke: 0; }
.partners .marquee__track span::after { display: none; }

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; padding: 160px 0; background: var(--dark); color: #fff; text-align: center; isolation: isolate; }
.cta-band::before {
  content: ""; position: absolute; left: 50%; bottom: -380px; z-index: -1; width: 1200px; height: 700px; transform: translateX(-50%);
  border-radius: 50%; background: radial-gradient(closest-side, rgba(47, 124, 246, .55), rgba(124, 108, 255, .25) 50%, transparent);
  filter: blur(20px);
}
.cta-band h2 { font-size: clamp(36px, 6vw, 80px); line-height: 1.08; font-weight: 800; letter-spacing: -.045em; }
.cta-band p { margin-top: 24px; font-size: 18px; color: var(--d-dim); }
.cta-band .btn { margin-top: 44px; }

/* --------------------------------------------------------------------------
   Sub page hero / tabs
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative; overflow: hidden; isolation: isolate;
  padding: calc(var(--header-h) + 120px) 0 120px;
  background: var(--dark); color: #fff;
}
.page-hero .aurora i { opacity: .38; }
.page-hero .aurora i:nth-child(1) { width: 520px; height: 520px; left: auto; right: 10%; top: -260px; }
.page-hero .aurora i:nth-child(2) { width: 420px; height: 420px; right: -200px; top: 40px; }
.page-hero .aurora i:nth-child(3) { display: none; }
.page-hero .container { position: relative; }
.page-hero__label { font-size: 13px; font-weight: 700; letter-spacing: .22em; color: var(--cyan); }
.page-hero__title { margin-top: 20px; font-size: clamp(44px, 8vw, 104px); font-weight: 800; letter-spacing: -.05em; line-height: 1; }
.page-hero__desc { margin-top: 28px; font-size: 18px; color: var(--d-dim); max-width: 620px; }
.breadcrumb { position: absolute; right: 28px; bottom: 6px; display: flex; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .45); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; opacity: .5; }
.breadcrumb a:hover { color: #fff; }

.tabs { position: sticky; top: 76px; z-index: 50; padding: 16px 0; background: rgba(255, 255, 255, .86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.tabs ul { display: inline-flex; gap: 4px; padding: 5px; border-radius: 999px; background: var(--bg-soft); overflow-x: auto; scrollbar-width: none; max-width: 100%; }
.tabs ul::-webkit-scrollbar { display: none; }
.tabs a { display: block; padding: 10px 22px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--ink-3); white-space: nowrap; transition: color .2s, background-color .2s, box-shadow .2s; }
.tabs a:hover { color: var(--ink); }
.tabs a.is-active { background: #fff; color: var(--ink); box-shadow: 0 2px 10px rgba(11, 18, 34, .08); }

/* --------------------------------------------------------------------------
   About: greeting & strengths
   -------------------------------------------------------------------------- */
.greeting { display: grid; grid-template-columns: 1.1fr 1fr; gap: 96px; align-items: center; }
.greeting__title { margin-top: 20px; font-size: clamp(28px, 3.4vw, 44px); line-height: 1.4; font-weight: 800; letter-spacing: -.035em; }
.greeting__title em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.greeting__text p { margin-top: 20px; color: var(--ink-2); font-size: 17px; }
.greeting__text p:first-of-type { margin-top: 36px; }
.greeting__media { position: relative; }
.greeting__media img { border-radius: 32px; aspect-ratio: 4 / 5; object-fit: cover; width: 100%; box-shadow: var(--shadow-lg); }
.greeting__media::before { content: ""; position: absolute; inset: 24px -24px -24px 24px; z-index: -1; border-radius: 32px; background: var(--grad); opacity: .25; }

.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--d-line); border-radius: var(--radius); overflow: hidden; box-shadow: inset 0 0 0 1px var(--d-line); }
.strength { padding: 44px 40px; background: var(--dark); transition: background-color .4s; }
.strength:hover { background: var(--dark-2); }
.strength__num { font-size: 14px; font-weight: 800; color: var(--cyan); }
.strength h3 { margin-top: 48px; font-size: 22px; font-weight: 700; color: #fff; letter-spacing: -.02em; }
.strength p { margin-top: 12px; font-size: 15px; color: var(--d-dim); }

.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  padding: 36px 32px; border-radius: var(--radius); background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--dark); color: #fff; }
.card__icon svg { width: 26px; height: 26px; }
.card h3 { margin-top: 48px; font-size: 21px; font-weight: 700; line-height: 1.3; letter-spacing: -.02em; }
.card p { margin-top: 10px; font-size: 15px; color: var(--ink-3); }

/* --------------------------------------------------------------------------
   Vision / Mission
   -------------------------------------------------------------------------- */
.vision-statement { text-align: center; margin-bottom: 72px; }
.vision-statement p { font-size: clamp(24px, 3.4vw, 44px); line-height: 1.45; font-weight: 800; letter-spacing: -.035em; }
.vision-statement p em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.value-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.value {
  position: relative; padding: 40px 20px 36px; border-radius: var(--radius); text-align: center;
  background: #fff; box-shadow: inset 0 0 0 1px var(--line);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.value:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.value__icon {
  width: 68px; height: 68px; margin: 0 auto 24px; border-radius: 20px;
  display: grid; place-items: center; background: var(--dark); color: #fff;
  box-shadow: 0 12px 24px rgba(5, 7, 15, .18);
}
.value__icon svg { width: 30px; height: 30px; }
.value h3 { font-size: 17px; font-weight: 700; line-height: 1.45; }

.mission-wrap { display: grid; grid-template-columns: 1fr 280px 1fr; gap: 32px; align-items: center; }
.mission-col { display: grid; gap: 24px; }
.mission-core {
  position: relative; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; text-align: center;
  padding: 36px; color: #fff; font-size: 20px; font-weight: 700; line-height: 1.5;
  background: radial-gradient(circle at 30% 25%, #4f8dff, #1b2d6b 60%, #0a1020);
  box-shadow: 0 0 0 1px rgba(110, 231, 255, .3), 0 0 0 18px rgba(47, 124, 246, .08), 0 0 0 36px rgba(47, 124, 246, .04), 0 30px 80px rgba(47, 124, 246, .35);
}
.mission-card { padding: 32px; border-radius: var(--radius); background: var(--d-card); box-shadow: inset 0 0 0 1px var(--d-line); }
.mission-card h3 { font-size: 20px; font-weight: 800; color: #fff; }
.check-list { margin-top: 16px; display: grid; gap: 8px; }
.check-list li { position: relative; padding-left: 26px; font-size: 15px; color: var(--ink-2); line-height: 1.6; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--sky-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f7cf6' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center / 10px no-repeat;
}
.section--dark .check-list li { color: var(--d-dim); }
.section--dark .check-list li::before { background-color: rgba(110, 231, 255, .12); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236ee7ff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E"); }

/* --------------------------------------------------------------------------
   History timeline
   -------------------------------------------------------------------------- */
.tl-item { position: relative; display: grid; grid-template-columns: 320px 1fr; padding: 56px 0; border-top: 1px solid var(--line); }
.tl-item:last-child { border-bottom: 1px solid var(--line); }
.tl-year { position: sticky; top: 170px; align-self: start; font-size: clamp(56px, 7vw, 96px); line-height: .9; font-weight: 800; letter-spacing: -.05em; color: #d5dbe6; }
.tl-item.is-visible .tl-year { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tl-body { display: grid; gap: 4px; }
.tl-body > li { position: relative; padding: 14px 0 14px 28px; font-size: 18px; color: var(--ink-2); }
.tl-body > li::before { content: ""; position: absolute; left: 0; top: 26px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.tl-body li strong { color: var(--ink); font-weight: 700; }
.tl-body li ul { margin-top: 8px; display: grid; gap: 4px; }
.tl-body li ul li { position: relative; padding-left: 16px; font-size: 15px; color: var(--ink-3); }
.tl-body li ul li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 1px; background: var(--ink-3); }

/* --------------------------------------------------------------------------
   Certificates
   -------------------------------------------------------------------------- */
.cert-group + .cert-group { margin-top: 100px; }
.cert-group__title { display: flex; align-items: baseline; gap: 14px; margin-bottom: 32px; font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.cert-group__title span { font-size: 16px; font-weight: 700; color: var(--blue); }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-grid--wide { grid-template-columns: repeat(3, 1fr); }
.cert {
  display: flex; flex-direction: column; text-align: left; width: 100%;
  border-radius: var(--radius); overflow: hidden; background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform .4s var(--ease), box-shadow .4s;
}
.cert:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cert__img { position: relative; padding: 28px; background: linear-gradient(160deg, #eef2f8, #f7f9fc); display: grid; place-items: center; aspect-ratio: 4 / 3.6; }
.cert-grid--wide .cert__img { aspect-ratio: 16 / 9; }
.cert__img img { max-height: 100%; width: auto; object-fit: contain; box-shadow: 0 10px 30px rgba(11, 18, 34, .12); background: #fff; transition: transform .5s var(--ease); }
.cert:hover .cert__img img { transform: scale(1.04); }
.cert__img::after {
  content: ""; position: absolute; right: 14px; top: 14px; width: 36px; height: 36px; border-radius: 50%;
  background: rgba(5, 7, 15, .85) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3M11 8v6M8 11h6'/%3E%3C/svg%3E") center / 16px no-repeat;
  opacity: 0; transition: opacity .25s;
}
.cert:hover .cert__img::after { opacity: 1; }
.cert__body { padding: 22px 24px 26px; }
.cert__body small { font-size: 12px; font-weight: 700; color: var(--blue); letter-spacing: .08em; }
.cert__body strong { display: block; margin-top: 6px; font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--ink); }

.lightbox {
  position: fixed; inset: 0; z-index: 500; display: grid; place-items: center; padding: 40px;
  background: rgba(5, 7, 15, .9); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox figure { margin: 0; max-width: 900px; text-align: center; }
.lightbox img { max-height: 78vh; width: auto; margin: 0 auto; border-radius: 8px; background: #fff; }
.lightbox figcaption { margin-top: 16px; color: #fff; font-size: 15px; }
.lightbox__close {
  position: absolute; right: 24px; top: 24px; width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255, 255, 255, .12); color: #fff; font-size: 28px; line-height: 48px;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .22); }

/* --------------------------------------------------------------------------
   Business detail
   -------------------------------------------------------------------------- */
.biz-detail { display: grid; gap: 140px; }
.biz-item { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: center; }
.biz-item:nth-child(even) .biz-item__media { order: 2; }
.biz-item__media { position: relative; border-radius: 32px; overflow: hidden; box-shadow: var(--shadow-lg); background: var(--sky-100); }
.biz-item__media img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; transition: transform 1.2s var(--ease); }
.biz-item:hover .biz-item__media img { transform: scale(1.04); }
.biz-item__num { font-size: 96px; line-height: .9; font-weight: 800; letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1.5px #c9d6ea; }
.biz-item__cat { margin-top: 24px; font-size: 15px; font-weight: 700; color: var(--blue); }
.biz-item h3 { margin-top: 10px; font-size: clamp(26px, 3vw, 38px); line-height: 1.25; font-weight: 800; letter-spacing: -.035em; }
.biz-item p { margin-top: 22px; color: var(--ink-2); font-size: 17px; }

/* --------------------------------------------------------------------------
   Team
   -------------------------------------------------------------------------- */
.split-head { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; margin-bottom: 72px; }
.split-head > p { color: var(--ink-2); font-size: 17px; }
.section--dark .split-head > p { color: var(--d-dim); }

.org { position: relative; display: grid; grid-template-columns: 1fr 220px 1fr; gap: 32px; align-items: center; }
.org-col { display: grid; gap: 24px; }
.org-ceo {
  aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center;
  color: #fff; font-size: 30px; font-weight: 800; letter-spacing: .08em;
  background: radial-gradient(circle at 30% 25%, #4f8dff, #1b2d6b 60%, #0a1020);
  box-shadow: 0 0 0 1px rgba(110, 231, 255, .3), 0 0 0 18px rgba(47, 124, 246, .08), 0 0 0 36px rgba(47, 124, 246, .04), 0 30px 80px rgba(47, 124, 246, .35);
}
.org-card { padding: 32px; border-radius: var(--radius); background: var(--d-card); box-shadow: inset 0 0 0 1px var(--d-line); }
.org-card h3 { font-size: 20px; font-weight: 800; color: #fff; }
.org-card .check-list { grid-template-columns: 1fr 1fr; column-gap: 12px; }

.welfare-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.welfare { padding: 40px 32px; border-radius: var(--radius); background: #fff; box-shadow: inset 0 0 0 1px var(--line); transition: transform .4s var(--ease), box-shadow .4s; }
.welfare:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.welfare__icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--dark); color: #fff; }
.welfare__icon svg { width: 26px; height: 26px; }
.welfare h3 { margin-top: 44px; font-size: 21px; font-weight: 800; letter-spacing: -.02em; }
.welfare h3 small { display: block; font-size: 13px; font-weight: 600; color: var(--blue); margin-top: 4px; letter-spacing: 0; }
.welfare p { margin-top: 12px; font-size: 15px; color: var(--ink-3); }

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact { display: grid; grid-template-columns: 420px 1fr; gap: 40px; align-items: stretch; }
.contact-list { display: grid; gap: 14px; }
.contact-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 28px; border-radius: var(--radius); background: var(--bg-soft);
  transition: background-color .3s, box-shadow .3s;
}
.contact-item:hover { background: #fff; box-shadow: var(--shadow); }
.contact-item__icon { flex-shrink: 0; width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; background: var(--dark); color: #fff; }
.contact-item__icon svg { width: 22px; height: 22px; }
.contact-item small { display: block; font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--blue); }
.contact-item p, .contact-item a { margin-top: 4px; font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.5; }
.contact-item a:hover { color: var(--blue); }
.map { border-radius: 32px; overflow: hidden; box-shadow: var(--shadow-lg); background: var(--bg-soft); min-height: 440px; }
.map .root_daum_roughmap { width: 100% !important; }
.map .root_daum_roughmap .cont { display: none; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer { position: relative; overflow: hidden; padding: 96px 0 0; background: var(--dark); color: var(--d-dim); font-size: 14px; border-top: 1px solid var(--d-line); }
.footer__top { display: flex; justify-content: space-between; gap: 40px; }
.footer__logo img { height: 24px; width: auto; filter: brightness(0) invert(1); }
.footer__slogan { margin-top: 18px; max-width: 320px; font-size: 15px; }
.footer__nav { display: flex; gap: 72px; }
.footer__nav h4 { margin-bottom: 18px; font-size: 12px; letter-spacing: .18em; color: #fff; }
.footer__nav li + li { margin-top: 10px; }
.footer__nav a { transition: color .2s; }
.footer__nav a:hover { color: #fff; }
.footer__info { margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--d-line); display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.footer__info address { font-style: normal; line-height: 1.9; }
.footer__info address span + span::before { content: ""; display: inline-block; width: 1px; height: 11px; margin: 0 12px; background: rgba(255, 255, 255, .2); }
.footer__info strong { color: #fff; font-weight: 600; }
.footer__info a:hover { color: #fff; }
.copyright { font-size: 13px; color: rgba(255, 255, 255, .38); }
.footer__mark {
  margin-top: 56px; margin-bottom: -2.4vw;
  font-size: 21vw; line-height: .8; font-weight: 900; letter-spacing: -.06em; text-align: center; white-space: nowrap;
  background: linear-gradient(180deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, 0) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  user-select: none; pointer-events: none;
}

.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(10, 16, 32, .8); color: #fff;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), 0 16px 40px rgba(0, 0, 0, .25);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s, transform .3s var(--ease), visibility .3s, background-color .2s;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--blue); }
.to-top svg { width: 20px; height: 20px; }

/* --------------------------------------------------------------------------
   Reveal animation
   -------------------------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .statement__text .w { color: #fff; }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .bento__item--a { grid-column: span 12; grid-row: auto; min-height: 420px; }
  .bento__item--b, .bento__item--c { grid-column: span 6; }
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .welfare-grid, .card-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid--wide { grid-template-columns: repeat(2, 1fr); }
  .greeting, .ip { gap: 56px; }
  .stack-card__body { padding: 44px; }
  .milestones { grid-template-columns: repeat(3, 1fr); row-gap: 56px; }
  .milestones::before { display: none; }
  .tl-item { grid-template-columns: 220px 1fr; }
}

@media (max-width: 900px) {
  :root { --header-h: 72px; }
  .header.is-scrolled { height: 72px; }
  .header__bar { padding: 0 12px 0 22px; margin: 0 12px; }
  .header.is-scrolled .header__bar, .header.is-open .header__bar { height: 56px; }
  .menu-toggle { display: block; }

  .nav {
    position: fixed; left: 12px; right: 12px; top: 76px;
    max-height: calc(100vh - 92px); overflow-y: auto;
    border-radius: 24px;
    background: rgba(10, 16, 32, .96);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08), 0 30px 60px rgba(0, 0, 0, .4);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s, transform .3s var(--ease), visibility .25s;
  }
  .header.is-open .nav { opacity: 1; visibility: visible; transform: none; }
  .gnb { flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px 24px; }
  .gnb > li { border-bottom: 1px solid rgba(255, 255, 255, .08); }
  .gnb > li:last-child { border-bottom: 0; }
  .gnb > li > a { padding: 18px 0; font-size: 18px; color: #fff; border-radius: 0; }
  .gnb > li > a:hover { background: none; }
  .gnb > li > a.is-active::after { display: none; }
  .gnb .btn-contact { margin: 16px 0 0; padding: 16px; text-align: center; border-radius: 999px; }
  .sub-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    min-width: 0; padding: 0 0 16px; box-shadow: none; background: none;
    display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  }
  .sub-menu::before { display: none; }
  .gnb > li:hover .sub-menu, .gnb > li:focus-within .sub-menu { transform: none; }
  .sub-menu a { padding: 10px 14px; background: rgba(255, 255, 255, .05); }

  .section { padding: 100px 0; }
  .statement { padding: 120px 0; }
  .section-head--row { flex-direction: column; align-items: flex-start; }
  .greeting, .split-head, .ip { grid-template-columns: 1fr; }
  .ip__aside { position: static; }
  .greeting__media { order: -1; max-width: 480px; }
  .greeting__media::before { inset: 16px -16px -16px 16px; }
  .stack-card { position: relative; top: auto; grid-template-columns: 1fr; min-height: 0; }
  .stack-card__media { aspect-ratio: 16 / 10; order: -1; }
  .stack-card h3 { padding-top: 28px; }
  .biz-item { grid-template-columns: 1fr; gap: 36px; }
  .biz-item:nth-child(even) .biz-item__media { order: 0; }
  .biz-detail { gap: 96px; }
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-wrap, .org { grid-template-columns: 1fr; }
  .mission-core, .org-ceo { width: 240px; margin: 24px auto 40px; order: -1; }
  .contact { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; }
  .tabs { top: 72px; }
  .tl-item { grid-template-columns: 1fr; gap: 20px; padding: 44px 0; }
  .tl-year { position: static; }
  .breadcrumb { position: static; margin-top: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats > div:nth-child(3) { box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08); }
  .hero-stats > div:nth-child(4) { box-shadow: inset 1px 0 0 rgba(255, 255, 255, .08), inset 0 1px 0 rgba(255, 255, 255, .08); }
  .partners { flex-direction: column; align-items: flex-start; gap: 20px; }
  .partners__wrap { width: 100%; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 48px; }
  .bento__item--b, .bento__item--c, .bento__item--d, .bento__item--e { grid-column: span 12; }
  .bento__item { padding: 28px; }
  .bento__body { padding: 28px; }
  .strength-grid, .welfare-grid, .card-grid, .cert-grid--wide { grid-template-columns: 1fr; }
  .strength { padding: 36px 28px; }
  .strength h3 { margin-top: 28px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cert__img { padding: 16px; }
  .cert__body { padding: 14px 14px 18px; }
  .cert__body strong { font-size: 14px; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .value:last-child { grid-column: 1 / -1; }
  .stack-card__body { padding: 30px 26px 34px; }
  .stack-card { border-radius: 24px; }
  .milestones { grid-template-columns: repeat(2, 1fr); }
  .ip__list a { grid-template-columns: 40px 1fr 20px; padding: 20px 4px; }
  .ip__list span { font-size: 16px; }
  .page-hero { padding: calc(var(--header-h) + 72px) 0 80px; }
  .footer__nav { gap: 40px; flex-wrap: wrap; }
  .footer__info address span { display: block; }
  .footer__info address span + span::before { display: none; }
  .hero__actions .btn { flex: 1 1 auto; justify-content: center; }
  .hero-stats { margin-top: 56px; }
  .hero-stats > div { padding: 22px 12px; }
  .org-card .check-list { grid-template-columns: 1fr; }
  .tl-body > li { font-size: 16px; }
  .cta-band { padding: 110px 0; }
  .marquee { padding: 24px 0; }
}