:root {
    --grey50: #f9fafb; --grey100: #f2f4f6; --grey200: #e5e8eb; --grey300: #d1d6db;
    --grey500: #8b95a1; --grey600: #6b7684; --grey700: #4e5968; --grey900: #191f28;
    --blue50: #e8f3ff; --blue500: #3182f6; --blue600: #2272eb;
    --red50: #ffeeee; --red500: #f04452; --orange50: #fff3e0; --orange600: #e5780b;
    --green50: #f0faf6; --green600: #03b26c;
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0; background: var(--grey100); color: var(--grey900);
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    font-size: 16px; line-height: 1.6; word-break: keep-all;
  }
  a { color: inherit; }
  .wrap { max-width: 640px; margin: 0 auto; padding: 0 16px; }
  header.top { padding: 20px 0 8px; display: flex; align-items: center; justify-content: space-between; }
  .logo { font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
  .logo small { font-weight: 500; color: var(--grey600); font-size: 13px; margin-left: 6px; }
  .top a.cta-sm { font-size: 14px; font-weight: 600; color: var(--blue500); text-decoration: none; }

  .hero { padding: 28px 0 20px; }
  .eyebrow { display: inline-block; font-size: 13px; font-weight: 600; color: var(--blue600); background: var(--blue50); padding: 4px 10px; border-radius: 6px; }
  h1 { font-size: 28px; line-height: 1.35; letter-spacing: -0.03em; margin: 14px 0 10px; font-weight: 800; }
  .lead { color: var(--grey700); font-size: 17px; margin: 0; }

  .card { background: #fff; border-radius: 16px; padding: 24px 20px; margin: 12px 0; }
  .card h2 { font-size: 21px; line-height: 1.4; letter-spacing: -0.02em; margin: 0 0 6px; font-weight: 700; }
  .card .sub { color: var(--grey600); font-size: 15px; margin: 0 0 18px; }

  label.f { display: block; font-size: 14px; font-weight: 600; color: var(--grey700); margin: 16px 0 8px; }
  .seg { display: grid; gap: 8px; }
  .seg input { position: absolute; opacity: 0; pointer-events: none; }
  .seg label {
    display: block; padding: 14px 16px; border-radius: 12px; background: var(--grey100);
    font-size: 15px; font-weight: 500; cursor: pointer; border: 2px solid transparent;
  }
  .seg label span { display: block; font-size: 13px; color: var(--grey600); font-weight: 400; }
  .seg input:checked + label { background: var(--blue50); border-color: var(--blue500); }
  .seg input:focus-visible + label { outline: 2px solid var(--blue600); outline-offset: 2px; }
  select, input[type=email], input[type=text], input[type=tel] {
    width: 100%; height: 52px; border-radius: 12px; border: 0; background: var(--grey100);
    padding: 0 16px; font: inherit; font-size: 16px; color: var(--grey900); appearance: none;
  }
  select { background-image: linear-gradient(45deg, transparent 50%, var(--grey600) 50%), linear-gradient(135deg, var(--grey600) 50%, transparent 50%);
    background-position: calc(100% - 22px) 22px, calc(100% - 16px) 22px; background-size: 6px 6px; background-repeat: no-repeat; }
  select:focus, input:focus { outline: 2px solid var(--blue500); background-color: #fff; }

  .btn {
    display: block; width: 100%; height: 56px; border: 0; border-radius: 14px; margin-top: 20px;
    background: var(--blue500); color: #fff; font: inherit; font-size: 17px; font-weight: 700; cursor: pointer;
    text-align: center; line-height: 56px; text-decoration: none;
  }
  .btn:hover { background: var(--blue600); }
  .btn.ghost { background: var(--blue50); color: var(--blue600); }

  #result { display: none; margin-top: 22px; border-top: 1px solid var(--grey200); padding-top: 22px; }
  #result.on { display: block; }
  .due { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
  .due .date { font-size: 26px; font-weight: 800; letter-spacing: -0.03em; }
  .badge { display: inline-block; font-size: 14px; font-weight: 700; padding: 3px 10px; border-radius: 6px; }
  .badge.ok { background: var(--green50); color: var(--green600); }
  .badge.warn { background: var(--orange50); color: var(--orange600); }
  .badge.late { background: var(--red50); color: var(--red500); }
  .muted { color: var(--grey600); font-size: 14px; }
  .note { background: var(--grey50); border-radius: 12px; padding: 14px 16px; font-size: 14px; color: var(--grey700); margin-top: 14px; }
  .note strong { color: var(--grey900); }
  ul.check { list-style: none; padding: 0; margin: 10px 0 0; }
  ul.check li { padding: 10px 0 10px 30px; position: relative; border-bottom: 1px solid var(--grey100); font-size: 15px; }
  ul.check li:last-child { border-bottom: 0; }
  ul.check li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 18px; height: 18px; border-radius: 5px; border: 2px solid var(--grey300); }
  ul.check li span { display: block; font-size: 13px; color: var(--grey600); }

  .steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
  .steps li { counter-increment: s; position: relative; padding: 0 0 18px 44px; }
  .steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--blue50); color: var(--blue600); font-weight: 700; text-align: center; line-height: 30px; font-size: 15px; }
  .steps b { display: block; font-size: 16px; }
  .steps span { color: var(--grey600); font-size: 15px; }

  .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 6px; }
  .compare div { background: var(--grey100); border-radius: 12px; padding: 14px; }
  .compare div.us { background: var(--blue50); }
  .compare small { display: block; color: var(--grey600); font-size: 13px; }
  .compare strong { font-size: 19px; letter-spacing: -0.02em; }

  .plans { display: grid; gap: 10px; }
  .plan { border: 1px solid var(--grey200); border-radius: 14px; padding: 18px; }
  .plan.pick { border: 2px solid var(--blue500); }
  .plan .name { font-weight: 700; font-size: 16px; }
  .plan .price { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; margin: 2px 0 6px; }
  .plan .price s { font-size: 15px; color: var(--grey500); font-weight: 500; margin-right: 6px; }
  .plan .price small { font-size: 14px; font-weight: 500; color: var(--grey600); }
  .plan p { margin: 0; color: var(--grey700); font-size: 14px; }
  .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue600); background: var(--blue50); padding: 2px 8px; border-radius: 5px; margin-left: 6px; vertical-align: 2px; }

  details { border-bottom: 1px solid var(--grey200); padding: 14px 0; }
  details:last-child { border-bottom: 0; }
  summary { font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 24px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; position: absolute; right: 2px; top: -1px; color: var(--grey500); font-size: 20px; font-weight: 400; }
  details[open] summary::after { content: "–"; }
  details p { color: var(--grey700); font-size: 15px; margin: 8px 0 0; }

  .consent { margin-top: 16px; font-size: 14px; color: var(--grey700); }
  .consent label { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; cursor: pointer; }
  .consent input { width: 20px; height: 20px; margin: 1px 0 0; flex: none; accent-color: var(--blue500); }
  .consent .req { color: var(--blue600); font-weight: 600; }
  .consent .opt { color: var(--grey600); font-weight: 600; }
  .consent small { display: block; color: var(--grey500); font-size: 12px; margin-left: 30px; }
  #leadMsg { display: none; margin-top: 14px; padding: 14px 16px; border-radius: 12px; font-size: 15px; }
  #leadMsg.ok { display: block; background: var(--green50); color: var(--green600); font-weight: 600; }
  #leadMsg.err { display: block; background: var(--red50); color: var(--red500); }

  .hero .btn { margin-top: 22px; }
  .sug { list-style: none; margin: 6px 0 0; padding: 0; border-radius: 12px; overflow: hidden; }
  .sug:empty { display: none; }
  .sug li { padding: 12px 16px; background: var(--grey50); border-bottom: 1px solid var(--grey100); cursor: pointer; font-size: 15px; }
  .sug li:hover, .sug li[aria-selected=true] { background: var(--blue50); }
  .sug li span { color: var(--grey600); font-size: 13px; margin-left: 6px; }
  .app { margin-top: 18px; border: 1px solid var(--grey200); border-radius: 14px; overflow: hidden; }
  .app[hidden] { display: none; }
  .app-bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 14px 16px; background: var(--grey50); border-bottom: 1px solid var(--grey200); }
  .app-bar b { font-size: 16px; }
  .app-bar span#aMeta { display: block; font-size: 13px; color: var(--grey600); }
  .pill { flex: none; font-size: 12px; font-weight: 700; color: var(--blue600); background: var(--blue50); padding: 3px 8px; border-radius: 5px; }
  table.grid { width: 100%; border-collapse: collapse; font-size: 15px; }
  .grid th { text-align: left; font-size: 13px; color: var(--grey600); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--grey200); }
  .grid th span, .grid td span { display: block; font-size: 11px; font-weight: 400; color: var(--grey500); }
  .grid td { padding: 8px 12px; border-bottom: 1px solid var(--grey100); }
  .grid td:nth-child(2) { color: var(--grey700); font-variant-numeric: tabular-nums; }
  .grid td:nth-child(2), .grid td:nth-child(3), .grid th:nth-child(2), .grid th:nth-child(3) { text-align: right; width: 28%; }
  .grid input { width: 100%; max-width: 112px; height: 38px; border: 0; border-radius: 8px; background: var(--blue50); text-align: right; padding: 0 8px; font: inherit; font-size: 14px; }
  .grid tr.calc td { background: var(--grey50); font-weight: 700; }
  .grid tr.calc td[data-out] { color: var(--blue600); }
  .app .note, .app .btn { margin: 14px 16px; width: auto; }
  .app .btn { margin-top: 0; }
  .feats { display: grid; gap: 10px; }
  .feats div { background: var(--grey50); border-radius: 12px; padding: 14px 16px; }
  .feats b { display: block; font-size: 16px; }
  .feats span { color: var(--grey600); font-size: 14px; }
  @media (min-width: 720px) { .feats { grid-template-columns: 1fr 1fr; } }

  footer { padding: 28px 0 48px; color: var(--grey600); font-size: 13px; }
  footer p { margin: 4px 0; }

  @media (min-width: 720px) {
    h1 { font-size: 36px; }
    .card { padding: 32px; }
    .plans { grid-template-columns: repeat(3, 1fr); }
    .seg.cols3 { grid-template-columns: repeat(3, 1fr); }
  }

  /* 앱 화면 */
  .top nav { display: flex; gap: 14px; align-items: center; font-size: 14px; }
  .top nav a { color: var(--grey700); text-decoration: none; font-weight: 600; }
  .top nav button { background: none; border: 0; padding: 0; font: inherit; font-size: 14px; color: var(--grey600); cursor: pointer; }
  input[type=password], input[type=search] {
    width: 100%; height: 52px; border-radius: 12px; border: 0; background: var(--grey100);
    padding: 0 16px; font: inherit; font-size: 16px; color: var(--grey900); appearance: none;
  }
  .err { background: var(--red50); color: var(--red500); border-radius: 12px; padding: 12px 16px; font-size: 15px; margin: 12px 0; }
  .ok-msg { background: var(--green50); color: var(--green600); border-radius: 12px; padding: 12px 16px; font-size: 15px; margin: 12px 0; font-weight: 600; }
  .list { list-style: none; padding: 0; margin: 0; }
  .list li { border-bottom: 1px solid var(--grey100); }
  .list li:last-child { border-bottom: 0; }
  .list a.row, .list button.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 0; text-decoration: none; width: 100%; background: none; border: 0; font: inherit; text-align: left; cursor: pointer; color: inherit; }
  .row b { display: block; font-size: 16px; }
  .row span { color: var(--grey600); font-size: 13px; }
  .row .go { color: var(--blue500); font-weight: 600; font-size: 14px; white-space: nowrap; }
  .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0 4px; }
  .stats div { background: var(--grey100); border-radius: 12px; padding: 12px; }
  .stats small { display: block; color: var(--grey600); font-size: 12px; }
  .stats strong { font-size: 22px; letter-spacing: -0.02em; }
  .stats .good strong { color: var(--green600); }
  .stats .warn strong { color: var(--orange600); }
  .spin { width: 22px; height: 22px; border: 3px solid var(--blue50); border-top-color: var(--blue500); border-radius: 50%; animation: sp 0.9s linear infinite; display: inline-block; vertical-align: -5px; margin-right: 8px; }
  @keyframes sp { to { transform: rotate(360deg); } }
  .inline { display: flex; gap: 8px; }
  .inline .btn { margin-top: 0; width: auto; padding: 0 20px; height: 52px; line-height: 52px; font-size: 16px; flex: none; }
  .btn.small { height: 44px; line-height: 44px; font-size: 15px; margin-top: 12px; }
  .btn.danger { background: var(--red50); color: var(--red500); }
  .textlink { color: var(--blue600); font-weight: 600; font-size: 14px; }
  .legal h2 { font-size: 17px; margin: 22px 0 6px; }
  .legal p, .legal li { font-size: 15px; color: var(--grey700); }
  .two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .top nav a, .top nav button { white-space: nowrap; }
  @media (max-width: 480px) { .top .logo small { display: none; } }

  /* 앱 틀: 베타 띠, 탭 */
  .beta-bar { background: var(--blue50); color: var(--blue600); font-size: 13px; font-weight: 600; }
  .beta-bar .wrap { padding-top: 8px; padding-bottom: 8px; display: flex; gap: 10px; justify-content: space-between; }
  .beta-bar a { color: var(--blue600); }
  .top nav a.start { color: var(--blue500); }
  .tabs { display: flex; gap: 4px; background: #fff; border-radius: 14px; padding: 4px; margin: 4px 0 8px; }
  .tabs a { flex: 1; text-align: center; padding: 10px 0; border-radius: 10px; font-size: 15px; font-weight: 600; color: var(--grey600); text-decoration: none; }
  .tabs a[aria-current=page] { background: var(--grey100); color: var(--grey900); }

  /* 대시보드 */
  .progress { height: 8px; background: var(--grey100); border-radius: 4px; overflow: hidden; margin: 10px 0 4px; }
  .progress i { display: block; height: 100%; background: var(--blue500); border-radius: 4px; }
  .tasks { list-style: none; padding: 0; margin: 8px 0 0; }
  .tasks li { border-bottom: 1px solid var(--grey100); }
  .tasks li:last-child { border-bottom: 0; }
  .tasks button { display: flex; gap: 12px; align-items: flex-start; width: 100%; background: none; border: 0; padding: 12px 0; font: inherit; text-align: left; cursor: pointer; color: inherit; }
  .tasks .box { flex: none; width: 22px; height: 22px; border-radius: 6px; border: 2px solid var(--grey300); margin-top: 1px; display: grid; place-items: center; }
  .tasks .on .box { background: var(--blue500); border-color: var(--blue500); }
  .tasks .on .box::after { content: ""; width: 10px; height: 6px; border: solid #fff; border-width: 0 0 2.5px 2.5px; transform: rotate(-45deg) translate(1px, -1px); }
  .tasks .on b { color: var(--grey500); text-decoration: line-through; }
  .tasks b { display: block; font-size: 15px; font-weight: 600; }
  .tasks span { display: block; font-size: 13px; color: var(--grey600); }
  .tasks .who { color: var(--grey500); font-size: 12px; }
  .tasks .auto { cursor: default; }
  .member { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--grey100); }
  .member:last-child { border-bottom: 0; }
  .member b { display: block; font-size: 15px; word-break: break-all; }
  .member span { font-size: 13px; color: var(--grey600); }
  .member form { display: inline; }
  .member .acts { display: flex; gap: 10px; flex: none; }
  .member .acts button { background: none; border: 0; font: inherit; font-size: 13px; font-weight: 600; color: var(--grey600); cursor: pointer; padding: 0; }
  .member .acts button.danger { color: var(--red500); }
  .pill-sm { display: inline-block; font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 5px; background: var(--grey100); color: var(--grey700); margin-left: 6px; vertical-align: 1px; }

  /* 안내 글 */
  .article h1 { font-size: 24px; }
  .article h2 { font-size: 18px; margin: 26px 0 8px; }
  .article p, .article li { font-size: 16px; color: var(--grey700); }
  .article a { color: var(--blue600); font-weight: 600; }
  .tablewrap { overflow-x: auto; }
  table.t { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0; }
  table.t th, table.t td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--grey200); }
  table.t th { color: var(--grey600); font-weight: 600; font-size: 13px; }

  /* 새해 숫자 넣기 */
  .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  label.num span { display: block; font-size: 13px; font-weight: 600; color: var(--grey700); margin-bottom: 6px; }
  label.num input { height: 48px; text-align: right; }
  label.num input::placeholder, table.reg input::placeholder { color: var(--grey500); }
  table.reg td { padding: 4px 6px; }
  table.reg input { width: 100%; height: 42px; border-radius: 10px; border: 0; background: var(--grey100); text-align: right; padding: 0 12px; font: inherit; font-size: 16px; }
  table.reg tr.sum td { font-weight: 700; text-align: right; padding: 10px 18px 10px 6px; }
  table.reg tr.sum td:first-child { text-align: left; padding-left: 8px; }
  ul.check.entries li::before { border: 0; background: var(--green50); border-radius: 50%; }
  ul.check.entries li::after { content: ""; position: absolute; left: 8px; top: 17px; width: 9px; height: 5px; border: solid var(--green600); border-width: 0 0 2px 2px; transform: rotate(-45deg); }