.tour{overflow-anchor:none;position:relative}.stage{flex-direction:column;justify-content:center;height:100svh;min-height:640px;padding:84px 5vw 26px;display:flex;position:sticky;top:0;overflow:clip}.stage-layout{flex:1;grid-template-columns:1fr auto 1fr;align-items:center;column-gap:clamp(40px,7vw,115px);width:min(1160px,100%);margin:auto;display:grid;position:relative}.chapter-copy{z-index:2;justify-self:start;padding-bottom:30px}.chapter-count{color:#929b9e;font-variant-numeric:tabular-nums;letter-spacing:1px;align-items:center;gap:12px;margin:0 0 22px;font-size:12px;display:flex}.chapter-count span:first-child{color:var(--accent)}.count-line{background:var(--line);width:40px;height:1px}.chapter-copy h2{letter-spacing:-2px;white-space:nowrap;margin:0 0 15px;font-size:clamp(30px,3.2vw,46px);font-weight:600;line-height:1.4}.chapter-subtitle{color:var(--muted);margin:0;font-size:15px;line-height:1.8}.detail-link{color:var(--accent);border-bottom:1px solid #c7d4d8;gap:30px;margin-top:45px;padding:10px 0;font-size:12px;display:inline-flex}.phone-wrap{z-index:3;padding-bottom:13px;position:relative}.phone{--phone-height:min(66svh,720px);--frame:18px;height:var(--phone-height);width:calc((var(--phone-height) - var(--frame))*.45 + var(--frame));background:#252b2e;border:2px solid #5a6063;border-radius:42px;padding:7px;position:relative;box-shadow:inset 0 0 0 2px #101517,0 20px 50px -28px #152a3866,2px 2px #a9afb1}.phone:before,.phone:after{content:"";background:#697174;border-radius:0 2px 2px 0;width:3px;position:absolute;right:-5px}.phone:before{height:32px;top:19%}.phone:after{height:65px;top:29%}.screen{background:#0b1112;border-radius:33px;height:100%;position:relative;overflow:clip}.screen-image{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}.incoming{opacity:0}.camera{pointer-events:none;background:#05090a;border-radius:50%;width:10px;height:10px;position:absolute;top:15px;left:50%;transform:translate(-50%);box-shadow:inset 0 0 0 2px #151c20}.phone-shadow{filter:blur(13px);background:#1228322a;border-radius:50%;width:70%;height:12px;position:absolute;bottom:-4px;left:15%}.hotspot{z-index:4;background:0 0;border:0;border-radius:50%;place-items:center;width:44px;height:44px;padding:0;display:grid;position:absolute;transform:translate(-50%,-50%)}.hotspot span{color:#fff;background:#286e80;border:1.5px solid #e0f6ff;border-radius:50%;place-items:center;width:27px;height:27px;font-size:12px;font-weight:650;transition:transform .2s;display:grid;box-shadow:0 0 0 5px #83c7da36,0 2px 12px #0006}.hotspot:hover span{transform:scale(1.1)}.annotation{z-index:4;align-self:center;max-width:260px}.callout{text-align:left;background:0 0;border:0;gap:13px;width:100%;padding:12px 0;display:flex}.callout-number{width:25px;height:25px;color:var(--accent);border:1px solid #7c9aa3;border-radius:50%;flex-shrink:0;place-items:center;font-size:12px;display:grid}.callout strong{letter-spacing:-.5px;margin-bottom:12px;font-size:17px;font-weight:600;line-height:25px;display:block}.callout [data-step-description]{color:var(--muted);font-size:13px;line-height:1.95;display:block}.step-controls{align-items:center;gap:13px;margin:17px 0 0 38px;font-size:11px;display:flex}.step-controls button{background:0 0;border:0;min-width:32px;min-height:40px;padding:0}.step-controls button:disabled{opacity:.25}.step-controls [data-step-count]{white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}.step-controls .next-step{color:var(--accent);text-align:left}.leader{pointer-events:none;z-index:3;width:100%;height:100%;position:absolute;inset:0;overflow:visible}.leader path{fill:none;stroke:#92a9b1;stroke-width:1px}.tour-bottom{z-index:5;flex-direction:column;align-items:center;margin-top:20px;display:flex}.chapter-nav{background:#ffffffe6;border:1px solid #e1e5e6;border-radius:16px;gap:0;padding:8px;display:flex;box-shadow:0 5px 20px #243f4d04}.chapter-nav button{color:#7b868a;white-space:nowrap;background:0 0;border:0;border-radius:9px;padding:16px 23px 20px;font-size:12px;position:relative}.chapter-nav button[aria-current]{color:var(--ink);background:#eff3f4}.nav-number{color:#88969b;font-variant-numeric:tabular-nums;margin-right:10px;font-size:10px}.chapter-track{opacity:0;background:#dfe6e8;height:2px;position:absolute;bottom:9px;left:23px;right:23px}[aria-current] .chapter-track{opacity:1}.chapter-track>span{background:#4a8292;width:0;height:100%;transition:width .3s;display:block}.interaction-hint{letter-spacing:.6px;color:#899396;align-items:center;margin:20px 0 0;font-size:10px;display:flex}.hint-rule{background:#c9d0d2;width:20px;height:1px;margin:0 14px}.scroll-markers{pointer-events:none;margin-top:-100svh;position:relative}.scroll-markers>div{height:100svh}.image-error{color:#fff;text-align:center;z-index:6;background:#0b1112e8;flex-direction:column;justify-content:center;align-items:center;gap:18px;padding:25px;font-size:13px;display:flex;position:absolute;inset:0}.image-error button{background:#d2eaf2;border:0;border-radius:24px;padding:12px 20px}.image-error a{text-decoration:underline}.site-footer{border-top:1px solid var(--line);min-height:130px;color:var(--muted);justify-content:space-between;align-items:center;padding:40px 5vw;font-size:12px;display:flex}.site-footer div{gap:30px;display:flex}.no-script{text-align:center;padding:24px}@media (width>=801px) and (height<=700px){.stage{min-height:540px;padding-top:72px;padding-bottom:14px}.phone{--phone-height:60svh}.tour-bottom{margin-top:8px}.interaction-hint{margin-top:12px}}@media (width<=1050px) and (width>=801px){.stage{padding-inline:4vw}.stage-layout{column-gap:35px}.phone{--phone-height:62svh}.chapter-copy h2{font-size:30px}.annotation{max-width:220px}}@media (width<=800px){.stage{height:auto;min-height:100svh;padding:88px 22px 25px;position:relative;overflow:visible}.stage-layout{grid-template-columns:1fr;justify-items:center;gap:20px;display:grid}.chapter-copy{text-align:center;justify-self:center;padding:0}.chapter-count,.chapter-subtitle,.detail-link{display:none}.chapter-copy h2{letter-spacing:-1px;margin:0;font-size:25px}.phone{--phone-height:clamp(350px,49svh,560px);--frame:16px;border-radius:34px;padding:6px}.screen{border-radius:27px}.phone-wrap{padding-bottom:4px}.annotation{width:100%;max-width:400px}.callout{gap:10px;padding:0}.callout strong{margin-bottom:3px;font-size:15px}.callout [data-step-description]{min-height:42px;font-size:12px;line-height:1.75}.step-controls{justify-content:flex-start;gap:18px;margin:2px 0 0 35px}.step-controls .next-step{margin-left:auto}.leader,.scroll-markers,.hint-desktop{display:none}.tour-bottom{margin-top:16px}.chapter-nav{border-radius:12px;width:100%;max-width:450px;padding:4px}.chapter-nav button{flex:1;padding:12px 4px 18px;font-size:11px}.nav-number{display:none}.chapter-track{bottom:8px;left:12px;right:12px}.interaction-hint{letter-spacing:0;margin-top:14px;font-size:9px}.site-footer{min-height:100px;font-size:11px}}@media (height<=500px) and (width>=600px){.stage{height:auto;min-height:100svh;padding:78px 30px 20px}.stage-layout{grid-template-columns:1fr auto 1fr;gap:25px;display:grid}.chapter-copy{text-align:left;justify-self:start}.chapter-copy h2{font-size:23px}.phone{--phone-height:310px}.annotation{max-width:220px}.callout{gap:8px}.callout strong{font-size:14px}.callout [data-step-description]{font-size:11px}.step-controls{gap:10px;margin-left:0}.leader,.scroll-markers,.hint-desktop{display:none}}@media (prefers-reduced-motion:reduce){.hotspot span,.chapter-track>span{transition:none}}