@font-face {
  font-family: "Pretendard";
  src: local("Pretendard Variable"), url("fonts/PretendardVariable.woff2") format("woff2-variations");
  font-weight: 45 920;
  font-display: swap;
}

:root {
  --ink: #18181b;
  --ink-2: #3f3f46;
  --mute: #71717a;
  --line: #e4e4e7;
  --bg: #ffffff;
  --bg-alt: #f4f4f5;
  --teal: #0f766e;
  --teal-2: #115e59;
  --teal-soft: #e6f4f2;
  --teal-light: #5eb8ad;
  --amber: #b45309;
  --amber-soft: #fdf3e4;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(24, 24, 27, .04), 0 8px 24px rgba(24, 24, 27, .06);
  --max: 1160px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { text-wrap: balance; }
img, svg { display: block; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 50px; padding: 0 24px; border-radius: 10px; font: inherit; font-size: 16px; font-weight: 650; border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s; white-space: nowrap; }
.btn svg { font-size: 18px; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-2); }
.btn-ghost { border-color: rgba(250, 250, 250, .28); color: #fafafa; }
.btn-ghost:hover { background: rgba(250, 250, 250, .08); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 15px; }
.btn-block { width: 100%; }
:focus-visible { outline: 3px solid var(--teal-light); outline-offset: 2px; border-radius: 6px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(24, 24, 27, .96); color: #fafafa; border-bottom: 1px solid rgba(250, 250, 250, .06); }
.site-header.scrolled { box-shadow: 0 6px 20px rgba(0, 0, 0, .18); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: .02em; }
.brand-mark { width: 26px; height: 26px; fill: var(--teal-light); stroke: none; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 15px; }
.nav a:not(.btn) { color: #d4d4d8; }
.nav a:not(.btn):hover { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; color: #fafafa; width: 44px; height: 44px; align-items: center; justify-content: center; cursor: pointer; font-size: 24px; }

/* Hero */
.hero { background: var(--ink); color: #fafafa; padding: 84px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.kicker { color: #a1a1aa; font-size: 16px; font-weight: 500; margin-bottom: 18px; }
.hero h1 { font-size: clamp(34px, 4.6vw, 54px); line-height: 1.25; font-weight: 750; letter-spacing: -0.035em; }
.hero h1 span { display: block; color: var(--teal-light); text-wrap: balance; }
.hero h1 span.h1-a { color: #fafafa; }
.lead { margin-top: 24px; font-size: 18px; color: #d4d4d8; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; color: #a1a1aa; font-size: 15px; }
.hero-points li { display: inline-flex; align-items: center; gap: 7px; }
.hero-points svg { color: var(--teal-light); font-size: 17px; }

.mock { background: #fafafa; border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0, 0, 0, .35); color: var(--ink); }
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: #27272a; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #52525b; }
.mock-bar span { margin-left: 8px; font-size: 12px; color: #a1a1aa; }
.mock-body { display: flex; min-height: 300px; }
.mock-side { width: 118px; background: var(--ink); padding: 16px 10px; font-size: 12px; color: #a1a1aa; }
.mock-side b { display: block; color: #fafafa; font-size: 13px; margin-bottom: 16px; }
.mock-side span { display: block; padding: 7px 9px; border-radius: 6px; }
.mock-side span.on { background: #27272a; color: #fafafa; font-weight: 600; }
.mock-main { flex: 1; padding: 16px; background: var(--bg-alt); min-width: 0; }
.mock-alert { background: #fff; border-left: 4px solid #d09a4e; padding: 11px 13px; margin-bottom: 12px; }
.mock-alert strong { display: block; font-size: 14px; }
.mock-alert span { font-size: 12px; color: var(--ink-2); }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.mock-kpis div { background: #fff; border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; }
.mock-kpis em { display: block; font-style: normal; font-size: 11px; color: var(--mute); }
.mock-kpis strong { font-size: 21px; }
.mock-list { background: #fff; border: 1px solid var(--line); border-radius: 9px; padding: 4px 12px; font-size: 13px; }
.mock-list div { display: flex; align-items: center; gap: 9px; padding: 8px 0; border-bottom: 1px solid var(--line); white-space: nowrap; overflow: hidden; }
.mock-list div:last-child { border-bottom: 0; }
.mock-list em { margin-left: auto; font-style: normal; font-size: 11px; color: var(--mute); }
.tag { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--teal-soft); color: var(--teal-2); }
.tag.t-as { background: var(--amber-soft); color: var(--amber); }
.mock-note { margin-top: 12px; font-size: 12px; color: #71717a; text-align: right; }
.mock-note.in { margin-top: 14px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--ink); color: #fafafa; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head.left { margin: 0; text-align: left; }
.eyebrow { color: var(--teal); font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.section-dark .eyebrow { color: var(--teal-light); }
.section-head h2 { font-size: clamp(27px, 3.2vw, 38px); line-height: 1.32; font-weight: 750; letter-spacing: -0.03em; }
.section-head > p:last-child, .section-head > p:not(.eyebrow) { margin-top: 16px; color: var(--mute); font-size: 17px; }
.section-dark .section-head p:not(.eyebrow) { color: #a1a1aa; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.icon { display: inline-flex; width: 46px; height: 46px; border-radius: 12px; align-items: center; justify-content: center; background: var(--teal-soft); color: var(--teal); font-size: 23px; }

/* Problem */
.problem-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.scatter { padding: 30px; }
.card-label { font-size: 15px; font-weight: 700; color: var(--ink-2); margin-bottom: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 10px; background: var(--bg-alt); border: 1px dashed #d4d4d8; font-size: 15px; color: var(--ink-2); }
.chip svg { color: var(--mute); font-size: 17px; }
.problem-list { list-style: none; display: grid; gap: 14px; }
.problem-list li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; border-left: 4px solid #e5a55a; }
.problem-list strong { display: block; font-size: 18px; margin-bottom: 4px; }
.problem-list span { color: var(--mute); font-size: 16px; }

/* Modules */
.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.module { padding: 26px 24px; }
.module h3 { font-size: 20px; margin: 16px 0 8px; }
.module p { color: var(--mute); font-size: 15.5px; }

/* Values */
.value-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.value { padding: 26px 22px; border-radius: var(--radius); border: 1px solid var(--line); }
.value h3 { font-size: 18px; margin: 16px 0 8px; }
.value p { color: var(--mute); font-size: 15px; }

/* Flow */
.flow { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px 24px; counter-reset: step; }
.flow li { position: relative; padding-top: 18px; border-top: 2px solid #d4d4d8; }
.flow li::after { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px var(--bg-alt); }
.step-no { font-size: 14px; font-weight: 700; color: var(--teal); }
.flow h3 { font-size: 19px; margin: 6px 0 4px; }
.flow p { color: var(--mute); font-size: 15px; }

/* Dashboard */
.dash-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.dash-list { list-style: none; margin-top: 26px; display: grid; gap: 11px; }
.dash-list li { display: flex; align-items: baseline; gap: 10px; color: var(--mute); font-size: 16px; }
.dash-list svg { color: var(--teal); flex: none; transform: translateY(3px); }
.dash-list b { color: var(--ink); min-width: 96px; font-weight: 650; }
.dash-mock { padding: 22px; background: var(--bg-alt); }
.dm-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.dm-head strong { font-size: 18px; }
.dm-head span { color: var(--mute); font-size: 14px; }
.dm-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.dm-kpis div { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.dm-kpis em { display: block; font-style: normal; font-size: 12px; color: var(--mute); }
.dm-kpis strong { font-size: 26px; font-weight: 750; }
.dm-kpis small { color: var(--mute); margin-left: 2px; }
.dm-row { display: grid; grid-template-columns: 1.25fr 1fr; gap: 12px; }
.dm-cal, .dm-side { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.dm-cal p, .dm-side p { font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.dm-side p + div { margin-bottom: 16px; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; font-size: 11px; }
.cal span { min-height: 30px; padding: 3px 4px; border-radius: 5px; background: var(--bg-alt); color: var(--ink-2); }
.cal span:empty { background: transparent; }
.cal span.h { min-height: 0; background: none; text-align: center; color: var(--mute); }
.cal span.today { outline: 2px solid var(--teal); background: #fff; }
.cal i { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--teal); margin: 0 1px; vertical-align: middle; }
.cal i.a { background: #d08a43; }
.funnel div { position: relative; display: flex; justify-content: space-between; padding: 6px 10px; margin-bottom: 5px; font-size: 13px; }
.funnel div::before { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--teal-soft); border-radius: 6px; z-index: 0; }
.funnel span, .funnel b { position: relative; }
.load div { display: grid; grid-template-columns: 52px 1fr 20px; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 7px; }
.load i { height: 8px; border-radius: 999px; background: linear-gradient(90deg, var(--teal) var(--w), var(--line) var(--w)); }
.load b { text-align: right; }

/* AI */
.ai-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ai-step { background: #232326; border: 1px solid #333338; border-radius: var(--radius); padding: 28px 26px; }
.stage { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 11px; border-radius: 999px; }
.stage.now { background: rgba(94, 184, 173, .16); color: var(--teal-light); }
.stage.next { background: rgba(250, 250, 250, .08); color: #d4d4d8; }
.ai-step h3 { font-size: 20px; margin: 16px 0 10px; }
.ai-step p, .ai-step li { color: #a1a1aa; font-size: 15.5px; }
.ai-step ul { list-style: none; display: grid; gap: 7px; }
.ai-step li::before { content: "· "; color: var(--teal-light); }
.ai-note { margin-top: 26px; text-align: center; color: #a1a1aa; font-size: 15px; }

/* Adoption */
.adopt { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.adopt li { padding: 30px 28px; position: relative; }
.adopt .step-no { display: inline-flex; width: 36px; height: 36px; border-radius: 50%; align-items: center; justify-content: center; background: var(--ink); color: #fff; font-size: 15px; }
.adopt h3 { font-size: 21px; margin: 16px 0 8px; }
.adopt p { color: var(--mute); font-size: 15.5px; }
.adopt-note { margin-top: 24px; text-align: center; color: var(--mute); font-size: 15px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.text-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 22px; color: var(--teal); font-weight: 650; }
.text-link:hover { color: var(--teal-2); }
.contact-card { padding: 30px; display: grid; gap: 14px; }
.contact-item { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--teal-light); border-radius: 12px; background: #fafafa; }
.contact-item > span:nth-child(2) { display: grid; min-width: 0; flex: 1; }
.contact-item em { font-style: normal; font-size: 14px; color: var(--mute); }
.contact-item b { font-size: 17px; font-weight: 650; overflow-wrap: anywhere; user-select: all; }
.contact-card [hidden] { display: none; }
.btn-outline { border-color: var(--line); background: #fff; color: var(--ink); flex: none; }
.btn-outline:hover { border-color: var(--teal-light); }
.contact-hint { font-size: 14px; color: var(--mute); }

/* Footer */
.site-footer { background: var(--ink); color: #a1a1aa; padding: 48px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.site-footer .brand { color: #fafafa; }
.footer-inner p { margin-top: 12px; font-size: 15px; }
.footer-links { display: flex; gap: 22px; font-size: 15px; }
.footer-links a:hover { color: #fff; }
.copyright { margin-top: 32px; padding-top: 20px; border-top: 1px solid #27272a; font-size: 14px; }

/* Grid/flex children may shrink below their content (no-wrap mock rows must not widen the page). */
.hero-grid > *, .dash-grid > *, .contact-grid > *, .problem-grid > *, .dm-row > *, .module-grid > *, .flow > *, .mock-main { min-width: 0; }

/* Tablet */
@media (max-width: 1024px) {
  .hero-grid, .dash-grid, .contact-grid, .problem-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .hero-visual { max-width: 620px; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .value:last-child { grid-column: span 2; }
  .flow { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile navigation */
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; background: var(--ink); border-bottom: 1px solid #27272a; display: none; }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid #27272a; font-size: 16px; }
  .nav-cta { margin-top: 14px; height: 48px; }
}

/* Phone */
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .hero { padding: 56px 0 64px; }
  .lead { font-size: 16.5px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .mock-side { display: none; }
  .mock-body { min-height: 0; }
  .section { padding: 68px 0; }
  .section-head { margin-bottom: 34px; text-align: left; }
  .section-head > p:not(.eyebrow) { font-size: 16px; }
  .module-grid, .value-grid, .ai-steps, .adopt { grid-template-columns: 1fr; }
  .value:last-child { grid-column: auto; }
  .flow { grid-template-columns: 1fr; gap: 0; }
  .flow li { border-top: 0; border-left: 2px solid #d4d4d8; padding: 0 0 26px 24px; }
  .flow li:last-child { padding-bottom: 0; }
  .flow li::after { top: 4px; left: -7px; }
  .dm-kpis { grid-template-columns: repeat(2, 1fr); }
  .dm-row { grid-template-columns: 1fr; }
  .contact-card, .scatter { padding: 22px; }
  .contact-item { flex-wrap: wrap; }
  .contact-item .icon { display: none; }
  .contact-item > span:nth-child(2) { flex-basis: 100%; }
  .contact-item b { overflow-wrap: normal; white-space: nowrap; }
  .contact-item .btn-outline { width: 100%; }
  .dash-list b { min-width: 88px; }
  .footer-inner { flex-direction: column; }
}