/* V05: English reading rhythm, with the V04 visual direction preserved. */
.brand>span{font-size:20px;letter-spacing:-.055em}
.header .version-link{padding:10px 19px;border-radius:30px;background:#eef3fa;color:#142031;font-weight:650;font-size:12px}
.hero-v4 h1{line-height:1.1;font-size:clamp(60px,5.6vw,88px);letter-spacing:-.065em}
.hero-v4 .hero-problem{line-height:1.65;letter-spacing:-.02em}
.hero-v4 .hero-description{font-size:15px;line-height:1.8;max-width:440px;color:#8e9bab}
.hero-v4 .hero-note{font-size:11px;color:#8292a3}
.hero-v4 .release-note{font-size:10px;line-height:1.6;color:#8292a3;max-width:350px;margin:12px 0 0}
.closing .release-note{font-size:11px;line-height:1.7;color:#73879f;margin:12px auto 0;max-width:420px}
.explore-link{font-size:12px}
.hero-v4 .hero-bottom>span{font-size:9px;letter-spacing:.03em}
.reading-line{line-height:1.3;letter-spacing:-.055em}
.story-slide{overflow:clip}
.why-bottom p{max-width:550px;line-height:1.85}
.why-bottom{gap:45px}
.slide-copy h2{line-height:1.13;margin-bottom:25px}
.slide-copy>p{max-width:425px;font-size:15px;line-height:1.8}
.slide-copy .small-boundary{font-size:10px;max-width:385px;line-height:1.75}
.schedule-detail,.query-detail{width:340px}
.schedule-detail .demo-label,.query-detail .demo-label{font-size:9px;color:#8094ac}
.week{width:295px;gap:7px}
.week button{font-size:9px}
.detail-footer{font-size:10px;color:#8399b0}
.query-field{font-size:20px}
.query-flow{font-size:10px}
.query-detail p{font-size:11px;line-height:1.6;color:#8399b0}
.visual-note{font-size:9px;color:#8395a9}
.section-description{max-width:280px}
.life-card h3{font-size:26px;line-height:1.25;letter-spacing:-.045em}
.life-card>p{font-size:14px;line-height:1.8;max-width:410px}
.calendar-rule{font-size:8px;gap:5px}
.calendar-rule small{font-size:7px}
.also{flex-wrap:wrap;font-size:11px}
.faq summary{font-size:15px}
.faq details p{font-size:13px;line-height:1.85}
.footer>div{font-size:11px}
@media(max-width:1300px){
  .hero-v4 h1{font-size:68px}
  .hero-v4 .hero-description{font-size:14px}
  .slide-copy>p{font-size:14px}
}
@media(max-width:1000px){
  .hero-v4 h1{font-size:56px}
  .hero-v4 .hero-description{font-size:12px;max-width:350px}
  .hero-v4 .hero-problem{font-size:15px}
  .explore-link{font-size:10px}
  .schedule-detail,.query-detail{width:290px}
  .week{width:280px}
  .slide-copy>p{font-size:13px}
  .reading-line{font-size:45px}
  .why-bottom p{font-size:13px}
  .life-card h3{font-size:24px}
  .life-card>p{font-size:13px}
  .calendar-rule{flex-wrap:wrap}
}
@media(max-width:700px){
  .header .brand>span{font-size:18px}
  .header .version-link{font-size:10px;padding:9px 16px}
  .hero-v4 h1{font-size:clamp(44px,12.4vw,68px);line-height:1.1;margin-bottom:28px}
  .hero-v4 .eyebrow{font-size:8px}
  .hero-v4 .hero-problem{font-size:15px;line-height:1.65}
  .hero-v4 .hero-description{font-size:12px;line-height:1.8;max-width:320px}
  .hero-v4 .hero-actions{gap:13px}
  .hero-v4 .hero-note{font-size:10px}
  .hero-v4 .hero-bottom>span{font-size:7px}
  .hero-hardware{height:490px}
  .reading-line{font-size:clamp(27px,7.5vw,42px);line-height:1.3}
  .why-bottom p{font-size:13px;line-height:1.85}
  .why-bottom a{font-size:11px}
  .story-top{font-size:7px}
  .scroll-instruction{font-size:7px;gap:4px}
  .slide-copy{padding-top:12px}
  .slide-copy h2{font-size:39px;line-height:1.15;margin-bottom:22px}
  .slide-copy>p{font-size:13px;line-height:1.8;max-width:360px}
  .slide-copy .small-boundary{font-size:9px}
  .slide-points{font-size:9px;gap:14px}
  .schedule-detail,.query-detail{width:100%;max-width:320px}
  .week{width:280px}
  .detail-footer{font-size:9px}
  .query-field{font-size:20px}
  .query-flow{font-size:9px}
  .query-detail p{font-size:10px}
  .story-tabs button{font-size:9px;padding:12px 6px}
  .story-tabs span{display:none}
  .visual-note{font-size:8px}
  .section-heading h2,.faq h2{font-size:38px;line-height:1.2}
  .section-description{font-size:13px}
  .life-card h3{font-size:26px}
  .life-card>p{font-size:13px}
  .calendar-rule{font-size:8px}
  .also{font-size:10px;gap:8px}
  .faq summary{font-size:14px}
  .faq details p{font-size:12px}
  .closing h2{font-size:36px;line-height:1.2;white-space:normal}
  .closing p{font-size:12px}
  .footer>div{font-size:10px;flex-wrap:wrap}
}
@media(max-width:370px){
  .hero-v4 h1{font-size:42px}
  .hero-v4 .hero-actions{gap:4px}
  .explore-link{font-size:9px}
  .hero-v4 .hero-problem{font-size:14px}
  .slide-copy h2{font-size:36px}
  .week{width:260px}
  .closing h2{font-size:32px}
}
@media(min-width:701px) and (max-height:850px){
  .story-top{height:72px}
  .story-bottom{height:72px}
  .chapter{margin-bottom:20px}
  .slide-copy h2{font-size:46px;margin-bottom:20px}
  .slide-copy>p{font-size:13px;line-height:1.7;margin-bottom:20px}
  .slide-focus .slide-copy>p:not(.small-boundary){margin-bottom:18px}
  .slide-focus .slide-points{margin-bottom:16px}
}