@charset "UTF-8";
:root{--ink:#303a33;--muted:#737773;--paper:#fff;--white:#fff;--line:#dedfdd;--accent:#d8f878;--green:#087cf0;--blue:#087cf0;--soft:#f4f5f3;--warning:#f4f5f3;--max:1280px}
body{background:#fff;color:var(--ink);font-size:15px;line-height:1.6}a:hover{color:var(--blue)}.wrap{width:min(var(--max),calc(100% - 64px))}.nav{position:relative;top:auto;background:#fff;border-bottom:0;backdrop-filter:none}.nav-inner{height:92px;gap:32px}.brand{font-size:13px;font-weight:650;letter-spacing:-.02em}.brand span{display:none}.brand-text{font-weight:650}.nav-links{gap:28px;font-size:12px;font-weight:500}.nav-links>a:not(.button):hover:after{display:none}.button{min-height:38px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-size:11px;font-weight:600;transition:background .2s,border-color .2s,transform .2s}.button:hover{background:var(--soft);border-color:#bfc3bf;color:var(--ink);transform:none}.button.light{border-color:var(--line)}
.case-hero{padding:54px 0 72px;border-bottom:1px solid var(--line)}.eyebrow{margin:0 0 24px;color:var(--muted);font-size:10px;font-weight:650;line-height:1.5;letter-spacing:.1em}.eyebrow:before{display:none}.case-hero h1{max-width:1000px;margin:0 0 28px;font-size:clamp(44px,5.2vw,68px);font-weight:520;line-height:1.04;letter-spacing:-.055em;text-wrap:balance}.case-hero .lead{max-width:820px;margin:0;color:var(--muted);font-size:17px;line-height:1.65}.case-meta{gap:7px;margin:30px 0 0}.case-meta span{padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:#505651;font-size:10px;line-height:1.25}.trailer{grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:48px;padding-top:22px;border-top:1px solid var(--line)}.trailer .metric{padding:0 32px 0 0;background:transparent;border:0;border-radius:0}.trailer .metric+.metric{padding-left:32px;border-left:1px solid var(--line)}.metric strong{margin-bottom:10px;font-size:28px;font-weight:550;line-height:1.15;letter-spacing:-.035em}.metric span{max-width:260px;font-size:11px;line-height:1.5}.hero-limit{max-width:820px;margin-top:34px}
.article{max-width:840px;padding:0 0 80px}.article-section{padding:68px 0;border-bottom:1px solid var(--line)}.article-section:first-child{padding-top:64px}.article h2{max-width:760px;margin:0 0 26px;font-size:clamp(30px,3.3vw,42px);font-weight:520;line-height:1.12;letter-spacing:-.04em}.article h3{margin:38px 0 14px;font-size:22px;font-weight:600;line-height:1.3;letter-spacing:-.025em}.article p{margin:0 0 18px;font-size:15px;line-height:1.7}.article p:last-child{margin-bottom:0}.article strong{font-weight:650}.article li{font-size:14px}.source{font-size:11px!important;line-height:1.6!important}.source a{text-decoration:underline;text-underline-offset:3px}.role-note{margin:0;padding:52px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.role-note h2{max-width:680px}.role-note p:last-child{max-width:740px;color:var(--muted)}
.callout{margin:28px 0;padding:24px 26px;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:16px;background:var(--soft)}.callout.warning{border-color:var(--line);border-left-color:var(--blue);background:var(--soft)}.callout strong{font-size:14px}.callout p{margin-top:8px!important;color:var(--muted);font-size:13px!important;line-height:1.6!important}.steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:30px 0;border:0;background:transparent}.step{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:12px;line-height:1.5}.step strong{margin-bottom:12px;color:var(--blue);font-size:9px;letter-spacing:.06em}.rule-grid{gap:8px;margin:28px 0;border:0;background:transparent}.rule{padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff}.rule strong{font-size:19px;font-weight:600}.rule span{font-size:12px;line-height:1.55}.rule.good{border-top:3px solid var(--blue)}.rule.mid,.rule.stop{border-top:3px solid var(--line)}
.data-table-wrap{margin:28px 0;border:1px solid var(--line);border-radius:16px;background:#fff}.data-table{font-size:12px}.data-table th,.data-table td{padding:15px 16px;border-bottom:1px solid var(--line)}.data-table th{background:var(--soft);font-size:9px;letter-spacing:.05em}.data-table tr:last-child td{border-bottom:0}.data-table td:first-child{font-weight:600}.sensitivity-table{max-width:none}.experiment-table{min-width:820px}
.evidence{margin:34px 0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.evidence-wide{width:min(720px,100%);margin:30px auto;transform:none}.evidence-compact{max-width:520px;margin-left:auto;margin-right:auto}.evidence-open{background:#fff}.evidence-open>img{height:auto}.evidence figcaption{grid-template-columns:180px minmax(0,1fr);gap:24px;padding:18px 22px 20px;border-top:1px solid var(--line)}.evidence figcaption p{font-size:11px;line-height:1.6}.evidence-kind{color:var(--muted);font-size:9px;font-weight:650;letter-spacing:.08em}.zoom-hint{right:12px;bottom:12px;padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--ink);font-size:9px;font-weight:600;backdrop-filter:blur(8px)}.evidence-open:hover .zoom-hint,.evidence-open:focus-visible .zoom-hint{background:var(--blue);color:#fff}.rnp-grid{gap:10px;margin:28px 0 18px}.rnp-shot{border:1px solid var(--line);border-radius:14px;overflow:hidden}.rnp-shot figcaption{font-size:11px}.rnp-shot figcaption strong{color:var(--muted);font-size:9px}
.data-story{width:min(1040px,calc(100vw - 64px));margin:34px 0 34px 50%;padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff;transform:translateX(-50%)}.data-story-head{gap:28px;margin-bottom:26px}.data-story-kicker{margin-bottom:10px;color:var(--muted);font-size:9px;font-weight:650}.data-story h3{font-size:27px;font-weight:550;line-height:1.18;letter-spacing:-.035em}.data-story-head>p{font-size:11px}.growth-panels,.event-days,.launch-result-grid{gap:8px;border:0;background:transparent}.chart-panel,.event-day{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}.chart-panel h4,.experiment-row h4{font-size:9px}.volume-chart{height:210px}.volume-track{background:#fff}.volume-bar,.data-bar{background:var(--blue)}.price-bar{background:#7b8580}.chart-value{font-size:17px;font-weight:600}.chart-label{font-size:10px}.bar-track{background:#e6e9e5}.data-story-note{font-size:10px!important;line-height:1.55!important}.conversion-chart{padding:8px 0}.conversion-bar{background:var(--blue)}.conversion-bar.decline{background:#9ca69f}.conversion-bar.peak{background:var(--blue)}.event-day-number{background:var(--blue);color:#fff;border-radius:12px;font-size:17px}.event-day-label{color:var(--muted)}.event-day h4{font-size:16px;font-weight:600}.event-day ul{font-size:12px}.event-day li::marker{color:var(--blue)}.attendance-layout{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}.attendance-registration{background:#7b8580}.attendance-rate strong{font-size:48px;font-weight:550}.launch-result-grid{margin-top:10px}.launch-result-group{padding:20px;border:1px solid var(--line);border-radius:14px}.launch-result-card{border:0;border-radius:10px;background:var(--soft)}.launch-result-card.sales{border:0;background:#eaf3ff}.launch-result-card strong,.launch-signals strong{font-size:30px;font-weight:550}.launch-result-card.sales span{color:var(--muted)}.experiment-row{border:1px solid var(--line);border-radius:12px;background:#fff}.experiment-row.accepted{border-color:#a9c9ed;background:#f7faff}.view-bar{background:var(--blue)}.form-bar{background:#7b8580}.chart-legend{font-size:10px}.legend-view{background:var(--blue)}.legend-form{background:#7b8580}
.checklist{padding-left:20px!important}.checklist li::marker{color:var(--blue)}.case-summary{margin:64px 0 0;padding:36px;border:0;border-radius:22px;background:var(--soft)}.case-summary h2{font-size:30px}.case-summary-grid{gap:1px;border:0;background:var(--line)}.case-summary-grid>div{padding:22px;background:#fff}.case-summary-grid strong{font-size:20px;font-weight:600;letter-spacing:-.025em}.case-summary-grid span{font-size:11px;line-height:1.55}.case-summary>p:last-child{font-size:12px;color:var(--muted)}.case-nav{padding:32px 0 56px;border-top:1px solid var(--line)}.case-nav .button{min-height:42px}.lightbox{background:rgba(48,58,51,.9)}.lightbox-close{background:#fff;color:var(--ink);border-radius:50%}
@media(max-width:1000px){.wrap{width:calc(100% - 40px)}.article{max-width:760px}.evidence-wide,.data-story{width:100%;margin-left:0;transform:none}.case-hero h1{font-size:56px}.case-hero .lead{max-width:740px}.evidence figcaption{grid-template-columns:160px minmax(0,1fr)}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.nav-inner{height:80px}.nav-links{gap:18px}.case-hero{padding:40px 0 60px}.case-hero h1{font-size:clamp(40px,8vw,54px)}.case-hero .lead{font-size:16px}.trailer{margin-top:38px}.trailer .metric{padding-right:20px}.trailer .metric+.metric{padding-left:20px}.metric strong{font-size:23px}.article-section{padding:56px 0}.article-section:first-child{padding-top:52px}.article h2{font-size:34px}.article p{font-size:15px}.steps{grid-template-columns:1fr 1fr}.rule-grid{grid-template-columns:1fr}.data-story{padding:22px}.data-story h3{font-size:24px}.growth-panels,.event-days{grid-template-columns:1fr}.case-summary{padding:28px}.case-summary-grid{grid-template-columns:1fr 1fr}.lightbox{background:rgba(48,58,51,.94)}}
@media(max-width:480px){.wrap{width:calc(100% - 28px)}.nav-inner{height:74px;gap:12px}.brand-text{display:block;font-size:11px}.nav-links>a:not(.button){display:none}.case-hero{padding:28px 0 52px}.case-hero h1{font-size:40px;line-height:1.05}.case-hero .lead{font-size:15px;line-height:1.65}.case-meta{margin-top:24px}.trailer{grid-template-columns:1fr;margin-top:32px;padding-top:0}.trailer .metric,.trailer .metric+.metric{padding:18px 0;border-left:0;border-top:1px solid var(--line)}.metric strong{font-size:24px}.metric span{max-width:none}.article{padding-bottom:52px}.article-section,.article-section:first-child{padding:48px 0}.article h2{font-size:30px}.article h3{font-size:21px}.article p{font-size:14px}.role-note{padding:44px 0}.callout{padding:20px}.steps{grid-template-columns:1fr}.evidence{margin:26px 0;border-radius:14px}.evidence figcaption{padding:16px}.data-story{margin:26px 0;padding:18px;border-radius:16px}.data-story-head{display:block}.data-story-head>p{margin-top:14px}.data-story h3{font-size:23px}.chart-panel,.event-day{padding:18px}.volume-chart{height:180px}.launch-result-grid{grid-template-columns:1fr}.launch-result-group{padding:16px}.attendance-layout{padding:18px}.case-summary{margin-top:48px;padding:22px;border-radius:18px}.case-summary-grid{grid-template-columns:1fr}.case-summary h2{font-size:27px}.case-nav{gap:10px;padding:26px 0 40px}.case-nav .button{width:100%;font-size:10px}}