:root {
  --ink:#171714;
  --canvas:#f7f7f4;
  --surface:#fff;
  --signal:#cff43a;
  --signal-hover:#bde428;
  --coral:#e85635;
  --positive:#277a4a;
  --muted:#666761;
  --line:#dadbd5;
  --soft:#eeefe9;
  --radius-control:10px;
  --radius-surface:14px;
  --content:min(1160px,calc(100vw - 40px));
  --ease:cubic-bezier(.25,1,.5,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--canvas);font-family:Pretendard,"Noto Sans KR",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,a{font:inherit}
button{color:inherit}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
[hidden]{display:none!important}
.skip-link{position:fixed;left:16px;top:12px;z-index:20;padding:10px 14px;color:#fff;background:var(--ink);border-radius:8px;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}

.site-header{position:sticky;top:0;z-index:10;background:rgba(247,247,244,.96);border-bottom:1px solid var(--line)}
.site-nav{width:var(--content);min-height:64px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-size:13px;font-weight:800;letter-spacing:.02em}
.brand b{font-weight:500;color:var(--muted)}
.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--ink);color:var(--signal);font-weight:800}
.nav-meta{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--positive)}
.feature-nav{display:flex;align-items:center;justify-content:center;gap:28px}.feature-nav a{position:relative;padding:22px 0 20px;color:var(--muted);text-decoration:none;font-size:12px;font-weight:750;white-space:nowrap}.feature-nav a::after{position:absolute;right:0;bottom:15px;left:0;height:2px;background:var(--signal);content:"";transform:scaleX(0);transform-origin:left;transition:transform 180ms var(--ease)}.feature-nav a:hover,.feature-nav a:focus-visible{color:var(--ink)}.feature-nav a:hover::after,.feature-nav a:focus-visible::after{transform:scaleX(1)}

main>section{width:var(--content);margin:auto;padding:72px 0;scroll-margin-top:84px}
.recommendations{padding-top:64px}
.product-hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.72fr);gap:72px;align-items:end}
.hero-lead{position:relative;display:flex;min-height:220px;padding-right:clamp(230px,42%,310px);flex-direction:column;justify-content:flex-start}
.hero-visual{position:absolute;top:0;right:0;width:clamp(210px,39%,290px);height:100%;margin:0;overflow:hidden;border-radius:var(--radius-surface);background:var(--soft)}.hero-visual img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 28%}
.hero-label,.section-context{margin:0 0 14px;color:var(--coral);font-size:13px;font-weight:750}
h1,h2,h3{margin:0;letter-spacing:-.035em;text-wrap:balance}
h1{max-width:680px;font-size:clamp(42px,6vw,68px);line-height:1.06;font-weight:800}
.hero-insight{max-width:680px;margin-top:24px;color:var(--muted);font-size:17px;line-height:1.75;text-wrap:pretty}
.hero-insight p{margin:0}.hero-insight p+p{margin-top:12px}.hero-insight strong,.hero-question strong{color:var(--ink);font-weight:800;text-decoration:underline;text-decoration-color:var(--signal);text-decoration-thickness:5px;text-underline-offset:2px;text-decoration-skip-ink:none}.hero-question{margin:24px 0 0;color:var(--ink);font-size:clamp(18px,2vw,23px);font-weight:700;line-height:1.55;letter-spacing:-.025em}.hero-question>span{display:block}
.help-button{margin-top:14px;padding:4px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer}.help-button:hover{color:var(--ink);border-color:var(--ink)}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:32px}
.primary-button,.use-recommendation{min-height:48px;border-radius:var(--radius-control);font-weight:750;cursor:pointer;transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease)}
.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 20px;border:1px solid var(--ink);color:#fff;background:var(--ink)}
.primary-button:hover{background:#30302c}
.accent-button{min-width:240px;color:var(--ink);background:var(--signal);border-color:var(--signal)}
.accent-button:hover{background:var(--signal-hover);border-color:var(--signal-hover)}
.primary-button:disabled{color:#92938d;background:#e2e3de;border-color:#e2e3de;cursor:not-allowed}
.secondary-link{padding:10px 0;color:var(--ink);font-size:14px;font-weight:700;text-underline-offset:5px}
.trust-note{display:flex;align-items:center;gap:7px;margin:18px 0 0;color:var(--muted);font-size:12px}

.hero-context{padding:24px;border:1px solid var(--line);border-radius:var(--radius-surface);background:var(--surface)}
.context-heading{display:flex;align-items:flex-end;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}
.context-heading span{color:var(--muted);font-size:12px;font-weight:700}
.context-heading strong{font-size:25px;letter-spacing:-.03em}
.context-steps{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:18px}
.context-steps li{display:flex;align-items:flex-start;gap:12px}
.context-steps li>span{display:grid;place-items:center;flex:0 0 26px;height:26px;border-radius:50%;background:var(--soft);font-size:12px;font-weight:800}
.context-steps div{display:grid;gap:3px}.context-steps b{font-size:14px}.context-steps small{color:var(--muted);font-size:12px}

.recommend-output{margin-top:56px;border-top:2px solid var(--ink)}
.output-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.output-heading h2{font-size:20px}.output-heading p{margin:6px 0 0;color:var(--muted);font-size:13px}
.output-count{padding:6px 10px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:11px;font-weight:700}
.recommendation-list:empty{min-height:120px;background:linear-gradient(90deg,transparent 0,var(--soft) 50%,transparent 100%);background-size:200% 100%;opacity:.4}
.recommendation-item{display:grid;grid-template-columns:42px minmax(320px,1fr) 170px 128px;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
.recommend-index{font:700 12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted)}
.recommend-balls{display:flex;gap:7px}.mini-ball{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:var(--surface);font-size:14px;font-weight:800}
.recommend-value span{display:block;color:var(--muted);font-size:11px}.recommend-value strong{display:block;margin-top:4px;font-size:17px}
.use-recommendation{padding:10px 12px;border:1px solid var(--line);background:var(--surface);font-size:13px}
.use-recommendation:hover{border-color:var(--ink);background:var(--soft)}

.calculator{border-top:1px solid var(--line)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:36px}
.section-heading h2{font-size:36px;line-height:1.15}
.section-heading>p{max-width:540px;margin:0;color:var(--muted);line-height:1.7;text-wrap:pretty}
.calculator-shell{display:grid;grid-template-columns:minmax(0,1fr) 310px;border:1px solid var(--line);border-radius:var(--radius-surface);background:var(--surface);overflow:hidden}
.number-picker{padding:28px 30px 32px}
.picker-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;font-size:14px;font-weight:750}
.text-button{padding:6px 0;border:0;border-bottom:1px solid var(--ink);background:transparent;cursor:pointer;font-size:12px;font-weight:700}
.number-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:10px}
.lotto-number{aspect-ratio:1;min-width:0;border:1px solid var(--line);border-radius:50%;background:var(--surface);font-size:15px;font-weight:750;cursor:pointer;transition:background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease)}
.lotto-number:hover{border-color:var(--ink);background:var(--soft)}
.lotto-number[aria-pressed="true"]{color:#fff;background:var(--ink);border-color:var(--ink)}
.selection-panel{padding:28px;display:flex;flex-direction:column;justify-content:space-between;gap:28px;background:var(--soft);border-left:1px solid var(--line)}
.label{display:flex;justify-content:space-between;margin-bottom:15px;color:var(--muted);font-size:12px;font-weight:700}.label b{color:var(--ink)}
.selected-numbers{display:flex;align-items:center;flex-wrap:wrap;gap:7px;min-height:40px;color:var(--muted);font-size:13px}
.selected-numbers .mini-ball{background:var(--ink);border-color:var(--ink);color:#fff}
.selection-panel .primary-button{width:100%}
.message{min-height:18px;margin:0;color:var(--coral);font-size:12px}

.results{padding-top:32px!important}
.compact-heading{margin-bottom:24px}
.result-grid{display:grid;grid-template-columns:1.15fr 1fr;border:1px solid var(--line);border-radius:var(--radius-surface);overflow:hidden}
.big-result{min-height:235px;padding:30px;display:flex;flex-direction:column;justify-content:flex-end;background:var(--surface)}
.big-result+ .big-result{border-left:1px solid var(--line)}
.result-primary{color:#fff;background:var(--ink)}
.big-result span{color:var(--muted);font-size:13px;font-weight:700}.result-primary span{color:#b8b9b3}
.big-result strong{margin:12px 0 8px;font-size:46px;line-height:1.05;letter-spacing:-.04em}.result-primary strong{color:var(--signal)}
.big-result small{color:var(--muted);line-height:1.5}.result-primary small{color:#b8b9b3}
.rank-cards{display:grid;grid-template-columns:repeat(5,1fr);margin-top:12px;border:1px solid var(--line);border-radius:var(--radius-surface);overflow:hidden;background:var(--surface)}
.rank-cards article{padding:20px;border-right:1px solid var(--line)}.rank-cards article:last-child{border:0}
.rank-cards span{display:block;color:var(--muted);font-size:12px}.rank-cards strong{display:block;margin-top:6px;font-size:22px}

details{margin-top:20px;border-top:1px solid var(--line)}
summary{padding:18px 0;cursor:pointer;font-size:14px;font-weight:750}
.table-wrap{max-height:420px;overflow:auto}table{width:100%;border-collapse:collapse;background:var(--surface)}th,td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;font-size:13px}th{position:sticky;top:0;background:var(--soft);font-size:12px}

.research{border-top:1px solid var(--line)}
.research-heading{align-items:flex-start;margin-bottom:20px}
.research-intro{max-width:720px;margin:0 0 36px;color:var(--muted);line-height:1.7}
.summary-cards{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.summary-cards article{flex:1 1 180px;min-height:120px;padding:20px 20px 20px 0;border-right:1px solid var(--line)}.summary-cards article+article{padding-left:20px}.summary-cards article:last-child{border-right:0}
.summary-cards span{display:block;color:var(--muted);font-size:12px}.summary-cards strong{display:block;margin-top:28px;font-size:23px;letter-spacing:-.025em;overflow-wrap:anywhere}
.distribution-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:12px;margin-top:28px}
.distribution-card{padding:26px;border:1px solid var(--line);border-radius:var(--radius-surface);background:var(--surface)}
.distribution-card>span{color:var(--muted);font-size:12px;font-weight:700}.distribution-card strong{display:block;margin:34px 0 8px;font-size:28px;letter-spacing:-.03em}.distribution-card p{margin:0;color:var(--muted);font-size:13px}
.primary-distribution{background:var(--signal);border-color:var(--signal)}.primary-distribution>span,.primary-distribution p{color:#46520f}
.distribution-chart{position:relative;margin-top:36px;padding:26px 0 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.chart-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:22px}.chart-heading h3{font-size:20px;letter-spacing:-.025em}.chart-heading p{max-width:580px;margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.6}
.chart-legend{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:12px}.chart-legend span{display:flex;align-items:center;gap:6px}.chart-legend i{width:9px;height:9px;border-radius:2px;background:var(--ink)}.chart-legend .legend-peak{background:var(--signal)}.chart-legend .legend-tail{background:var(--coral)}
.chart-scroll{overflow-x:auto;padding-bottom:8px;scrollbar-color:var(--muted) transparent}.chart-scroll:focus-visible{outline:2px solid var(--coral);outline-offset:4px}.distribution-chart svg{display:block;width:100%;min-width:920px;height:auto}
.chart-grid line{stroke:var(--line);stroke-width:1}.chart-grid text,.chart-x-label,.chart-tail-label,.chart-axis-title{fill:var(--muted);font-family:inherit;font-size:11px}.chart-grid text{text-anchor:end}.chart-x-label{text-anchor:middle}.chart-tail-label{text-anchor:middle;font-weight:750;fill:var(--coral)}.chart-axis-title{font-size:10px;font-weight:700}.chart-axis-x{text-anchor:end}
.chart-bar{fill:var(--ink);opacity:.72;transition:opacity .18s ease-out}.chart-bar:hover{opacity:1}.chart-bar-peak{fill:var(--signal);opacity:1}.chart-bar-tail{fill:var(--coral);opacity:1}.chart-note{margin:10px 0 0;color:var(--muted);font-size:12px;line-height:1.6}
.chart-bar:focus{opacity:1;outline:none;stroke:var(--coral);stroke-width:2px}.chart-tooltip{position:absolute;z-index:var(--z-tooltip,50);min-width:158px;padding:10px 12px;border-radius:10px;color:#fff;background:var(--ink);pointer-events:none;transform:translate(-50%,-100%);font-size:12px;line-height:1.35;box-shadow:0 4px 8px rgba(23,23,20,.18)}.chart-tooltip[hidden]{display:none}.chart-tooltip strong,.chart-tooltip span{display:block}.chart-tooltip strong{font-size:12px}.chart-tooltip span{margin-top:4px;color:#d8d8d1;font-weight:700}
.methodology>div{max-width:780px;color:var(--muted);line-height:1.7}.methodology b{color:var(--ink)}

footer{width:var(--content);margin:auto;padding:32px 0 48px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:32px;color:var(--muted);font-size:12px}
footer strong{color:var(--ink);font-size:13px}footer p{margin:6px 0 0}.footer-links{display:flex;align-items:flex-end;gap:24px;flex-direction:column}.footer-links a{color:var(--ink);font-weight:700;text-underline-offset:4px}

.expectation-dialog{width:min(620px,calc(100vw - 32px));padding:0;border:0;border-radius:var(--radius-surface);color:var(--ink);background:var(--surface)}
.expectation-dialog::backdrop{background:rgba(23,23,20,.58)}
.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:24px 26px;border-bottom:1px solid var(--line)}
.dialog-heading span{display:block;margin-bottom:7px;color:var(--coral);font-size:12px;font-weight:750}.dialog-heading h2{font-size:27px}
.dialog-close{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:var(--surface);font-size:25px;line-height:1;cursor:pointer}.dialog-close:hover{border-color:var(--ink);background:var(--soft)}
.dialog-content{padding:26px;color:var(--muted);line-height:1.7}.dialog-content>p{margin:0}.dialog-content>p+p{margin-top:20px}.dialog-content b{color:var(--ink)}
.formula{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin:24px 0;padding:18px;border-radius:var(--radius-control);background:var(--soft);font-size:13px}.formula span,.formula strong{padding:7px 10px;border-radius:8px;background:var(--surface)}.formula>b{color:var(--muted)}.formula strong{color:var(--ink)}
.dialog-caution{display:grid;gap:5px;margin-top:24px;padding:18px;border-radius:var(--radius-control);background:#fff0ec;color:#6f2a1c;font-size:13px}.dialog-caution b{color:#6f2a1c}

@media (max-width:900px){
  .site-nav{grid-template-columns:1fr auto;gap:0 20px;padding-top:10px}.site-nav>.brand{grid-column:1;grid-row:1}.site-nav>.nav-meta{grid-column:2;grid-row:1}.feature-nav{grid-column:1/-1;grid-row:2;justify-content:flex-start;gap:24px;overflow-x:auto}.feature-nav a{padding:12px 0 13px}.feature-nav a::after{bottom:8px}main>section{scroll-margin-top:112px}
  .product-hero{grid-template-columns:1fr;gap:36px}.hero-context{max-width:620px}.hero-lead{padding-right:clamp(220px,40%,300px)}
  .calculator-shell{grid-template-columns:1fr}.selection-panel{border-left:0;border-top:1px solid var(--line)}
  .recommendation-item{grid-template-columns:34px minmax(280px,1fr) 150px}.use-recommendation{grid-column:2/4;width:max-content}
  .number-grid{grid-template-columns:repeat(7,1fr)}
}

@media (max-width:640px){
  :root{--content:min(100% - 28px,1160px)}
  .site-nav{min-height:58px}.nav-meta{max-width:100%;text-align:right;font-size:10px}.status-dot{display:none}.feature-nav{gap:20px}.feature-nav a{font-size:11px}
  main>section{padding:52px 0}.recommendations{padding-top:44px}
  h1{font-size:32px;line-height:1.12;letter-spacing:-.03em}.hero-insight{font-size:15px}.hero-actions{align-items:stretch;flex-direction:column;gap:10px}.accent-button{width:100%}.secondary-link{text-align:center}
  .hero-lead{min-height:156px;padding-right:42%}.hero-visual{width:39%;height:156px}.hero-question{margin-top:16px;font-size:17px;line-height:1.6}
  .hero-context{padding:20px}.recommend-output{margin-top:40px}.output-count{display:none}
  .recommendation-item{grid-template-columns:28px 1fr;gap:10px;padding:18px 0}.recommend-balls{flex-wrap:wrap}.recommend-value,.use-recommendation{grid-column:2}.use-recommendation{width:100%}
  .section-heading{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:28px}.section-heading h2{font-size:30px}.section-heading>p{font-size:14px}
  .number-picker{padding:22px 18px}.number-grid{grid-template-columns:repeat(5,1fr);gap:8px}.lotto-number{font-size:14px}
  .selection-panel{padding:22px 18px}.selection-panel .primary-button{position:sticky;bottom:12px}
  .result-grid,.distribution-layout{grid-template-columns:1fr}.big-result{min-height:190px;padding:24px}.big-result+ .big-result{border-left:0;border-top:1px solid var(--line)}.big-result strong{font-size:38px}
  .rank-cards{grid-template-columns:repeat(2,1fr)}.rank-cards article{border-bottom:1px solid var(--line)}
  .summary-cards{display:grid;grid-template-columns:1fr 1fr}.summary-cards article,.summary-cards article+article{min-height:105px;padding:16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.summary-cards strong{margin-top:18px;font-size:18px}
  .distribution-card strong{font-size:23px}
  .distribution-chart{padding-top:22px}.chart-heading{flex-direction:column;gap:14px}.chart-heading h3{font-size:18px}.distribution-chart svg{min-width:860px}
  footer{flex-direction:column}.footer-links{align-items:flex-start;gap:10px}
  .dialog-heading,.dialog-content{padding:20px}.dialog-heading h2{font-size:23px}.formula{align-items:stretch;flex-direction:column;text-align:center}.formula>b{line-height:1}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}