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var(--line);min-height:86px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:16px;align-items:center;gap:14px;padding:18px 20px;transition:border-color .2s,background .2s;display:flex}.scenario-card:hover{border-color:var(--accent)}@supports (color:color-mix(in lab, red, red)){.scenario-card:hover{border-color:color-mix(in oklab, var(--accent) 45%, var(--line))}}.scenario-card.is-selected{border-color:var(--accent-strong);background:linear-gradient(135deg, var(--tint), var(--tint2))}.scenario-text strong,.scenario-text small{display:block}.scenario-text strong{font-size:16px;font-weight:650}.scenario-text small{color:var(--muted);margin-top:4px;font-size:14px}.scenario-check{border:1px solid var(--line);color:#0000;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;margin-left:auto;display:grid}.is-selected .scenario-check{color:#fff;background:var(--brand-gradient);border-color:#0000}.brief{background:radial-gradient(70% 120% at 100% 0%, var(--accent2), transparent 70%), linear-gradient(120deg, var(--tint), var(--accent));border-radius:20px;grid-template-columns:1.1fr 1fr;gap:40px;margin-top:16px;padding:28px 30px;display:grid}@supports (color:color-mix(in lab, red, red)){.brief{background:radial-gradient(70% 120% at 100% 0%, color-mix(in oklab, var(--accent2) 12%, transparent), transparent 70%), linear-gradient(120deg, var(--tint), color-mix(in oklab, var(--accent) 4%, white))}}.brief-label{color:var(--accent-strong);margin:0;font-size:14px;font-weight:650}.brief-text{letter-spacing:-.015em;margin:10px 0 0;font-size:22px;font-weight:600;line-height:1.3}.brief-effect{color:var(--muted);margin:12px 0 0;font-size:14px}.brief ul{color:var(--soft);margin:0;padding-left:18px;font-size:15px;line-height:1.75}.scenarios-note{color:var(--muted);margin:14px 0 0;font-size:13px}.footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:16px;padding:22px 0 28px;font-size:13px;display:flex}@media (max-width:960px){.shell{padding:0 24px}.hero{grid-template-columns:1fr;gap:44px;padding:44px 0 72px}.intro{padding-top:0}.how-to{margin-top:44px}}@media (max-width:560px){.shell{padding:0 16px}.topbar{height:80px}.brand img{max-width:150px;height:40px}.wordmark{max-width:190px;font-size:19px}.powered{font-size:12px}.powered strong{font-size:13px}.demo h1{font-size:42px}.lede{font-size:16px}.how-to ol{gap:10px}.how-to li{font-size:13px}.stage{height:330px}.stage-head{padding:15px 16px}.rings i:first-child{width:186px;height:186px}.rings i:nth-child(2){width:244px;height:244px}.rings i:nth-child(3){width:304px;height:304px}.rings i:nth-child(4){width:368px;height:368px}.portrait{width:132px;height:132px}.start-button{width:100%;min-width:0}.scenarios{padding:56px 0 64px}.brief{grid-template-columns:1fr;gap:18px;padding:22px}.brief-text{font-size:19px}.footer{flex-direction:column;gap:4px}}@media (prefers-reduced-motion:reduce){.is-live .rings i{animation:none}.start-button,.portrait,.scenario-card{transition:none}.transcript-log{scroll-behavior:auto}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}