:root {
  --ink: #111111;
  --body: #3a3a3c;
  --muted: #8a8a8e;
  --line: #e6e6e8;
  --soft: #f6f6f7;
  --accent: #0f766e;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--body);
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 32px; }

/* 머리말 */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--ink); font-weight: 600; font-size: 15px; letter-spacing: -0.02em; }
.logo img { width: 22px; height: 22px; }
.top nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.top nav a { text-decoration: none; color: var(--muted); transition: color .15s; }
.top nav a:hover { color: var(--ink); }
.top nav a.contact { color: var(--ink); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; }
.top nav a.contact:hover { border-color: var(--ink); }

/* 첫 화면 */
.hero { padding: 104px 0 56px; }
.hero .kicker { font-size: 13px; color: var(--muted); margin: 0 0 18px; }
.hero h1 { margin: 0; color: var(--ink); font-size: 44px; line-height: 1.25; font-weight: 600; letter-spacing: -0.035em; max-width: 720px; }
.hero p.lead { margin: 22px 0 0; font-size: 17px; color: var(--body); max-width: 560px; }
.hero .meta { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 36px 0 0; padding: 0; list-style: none; font-size: 13px; color: var(--muted); }
.hero .meta b { color: var(--ink); font-weight: 500; margin-right: 6px; }

/* 제품 화면 예시 */
.stage { margin: 0 0 24px; border: 1px solid var(--line); border-radius: 14px; background: var(--soft); padding: 40px; }
.app { display: grid; grid-template-columns: 1fr 236px; gap: 28px; align-items: end; }
.erp { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.erp .bar { display: flex; gap: 6px; align-items: center; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.erp .bar i { width: 8px; height: 8px; border-radius: 50%; background: #dcdcde; }
.erp .bar span { margin-left: 8px; }
.erp table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.erp th { text-align: left; font-weight: 500; color: var(--muted); background: #fafafa; padding: 9px 14px; border-bottom: 1px solid var(--line); }
.erp td { padding: 10px 14px; border-bottom: 1px solid #f0f0f1; color: var(--ink); height: 40px; font-variant-numeric: tabular-nums; }
.erp tr:last-child td { border-bottom: 0; }
.erp td.sel { box-shadow: inset 0 0 0 2px var(--accent); }
.erp td.pending { color: #b4b4b8; }
.panel { background: #fff; border: 1px solid var(--accent); border-radius: 10px; padding: 12px; font-size: 12px; color: #1f2937; }
.panel strong { display: block; font-weight: 600; margin-bottom: 8px; }
.panel .fill { display: block; text-align: center; background: var(--accent); color: #fff; border-radius: 7px; padding: 9px 0; font-weight: 600; margin-bottom: 6px; }
.panel .row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-bottom: 8px; }
.panel .row span { text-align: center; background: #64748b; color: #fff; border-radius: 6px; padding: 6px 0; font-size: 11px; }
.panel .row span.stop { background: #e3a5a5; }
.panel .status { white-space: pre-line; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 6px; padding: 7px 9px; color: #334155; line-height: 1.5; }
.caption { font-size: 13px; color: var(--muted); margin: 0 0 64px; }

/* 섹션 공통: 왼쪽 이름 / 오른쪽 내용 */
.sec { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 72px 0; border-top: 1px solid var(--line); }
.sec > h2 { margin: 0; font-size: 15px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; }
.sec .body > p:first-child { margin-top: 0; }
.sec p { margin: 0 0 14px; }
.note { font-size: 13px; color: var(--muted); }
.note a { color: var(--body); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin: 0; padding: 0; list-style: none; counter-reset: s; }
.steps li { counter-increment: s; border-top: 1px solid var(--ink); padding-top: 16px; font-size: 14px; }
.steps li::before { content: "0" counter(s); display: block; font-size: 12px; color: var(--muted); margin-bottom: 10px; font-variant-numeric: tabular-nums; }
.steps b { display: block; color: var(--ink); font-weight: 600; margin-bottom: 6px; font-size: 15px; }

.specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 40px; margin: 0; }
.specs div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.specs dt { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.specs dd { margin: 0; color: var(--ink); font-size: 14.5px; }

.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 20px; }
.plans.single { grid-template-columns: minmax(0, 420px); }
.plan { border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.plan h3 { margin: 0; font-size: 14px; font-weight: 500; color: var(--muted); }
.plan .amt { margin: 10px 0 2px; color: var(--ink); font-size: 34px; font-weight: 600; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.plan .amt small { font-size: 15px; font-weight: 400; color: var(--muted); margin-left: 4px; letter-spacing: 0; }
.plan p { margin: 0; font-size: 13.5px; color: var(--muted); }

.faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 40px; margin: 0; }
.faq dt { color: var(--ink); font-weight: 600; margin-bottom: 6px; }
.faq dd { margin: 0; font-size: 14px; }
.faq a { color: var(--body); }

/* 약관 페이지 */
.legal { padding: 72px 0 96px; }
.legal .wrap { max-width: 760px; }
.legal h1 { color: var(--ink); font-size: 32px; font-weight: 600; letter-spacing: -0.03em; margin: 0 0 8px; }
.legal .meta { color: var(--muted); font-size: 13px; margin: 0 0 48px; }
.legal h2 { color: var(--ink); font-size: 16px; font-weight: 600; margin: 40px 0 12px; }
.legal p, .legal li { font-size: 14.5px; }
.legal ol, .legal ul { padding-left: 20px; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--accent); }
.legal table { width: 100%; border-collapse: collapse; margin: 12px 0 16px; font-size: 13.5px; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.legal th { color: var(--muted); font-weight: 500; border-bottom-color: var(--ink); white-space: nowrap; }
.legal .callout { background: var(--soft); border-radius: 8px; padding: 12px 16px; margin: 10px 0; font-size: 14px; }
.table-wrap { overflow-x: auto; }

/* 하단 */
.foot { border-top: 1px solid var(--line); padding: 40px 0 56px; font-size: 12.5px; color: var(--muted); }
.foot .row1 { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.foot .links { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.foot .links a { text-decoration: none; color: var(--body); }
.foot .links a.b { color: var(--ink); font-weight: 600; }
.foot .links a:hover { color: var(--ink); }
.foot p { margin: 0 0 4px; }
.foot .sep { margin: 0 8px; color: #d0d0d3; }

@media (max-width: 860px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 64px 0 40px; }
  .hero h1 { font-size: 32px; }
  .hero p.lead { font-size: 16px; }
  .stage { padding: 16px; border-radius: 12px; }
  .app { grid-template-columns: 1fr; gap: 14px; }
  .erp th:nth-child(4), .erp td:nth-child(4) { display: none; }
  .sec { grid-template-columns: 1fr; gap: 20px; padding: 52px 0; }
  .steps { grid-template-columns: 1fr 1fr; gap: 24px 20px; }
  .specs, .plans, .faq { grid-template-columns: 1fr; }
  .top nav { gap: 16px; font-size: 13px; }
  .top nav a.hide-m { display: none; }
  .legal { padding: 48px 0 72px; }
  .legal h1 { font-size: 26px; }
}