.app-intro{background:var(--color-background);border-right:1px solid var(--color-border);border-left:1px solid var(--color-border);max-width:1440px;margin:0 auto}.app-intro__head{border-bottom:1px solid var(--color-primary);padding:clamp(44px,5vw,72px) clamp(20px,7vw,100px) clamp(30px,4vw,46px)}.app-intro__eyebrow{color:var(--color-accent);font-family:var(--font-geist-mono),monospace;letter-spacing:.16em;font-size:10px;font-weight:700}.app-intro__title{letter-spacing:-.04em;max-width:900px;margin-top:18px;font-size:clamp(30px,3.2vw,48px);line-height:1.3}.app-intro__br-sp{display:none}.app-intro__lead{max-width:640px;color:var(--color-text-secondary);margin-top:18px;font-size:15px;line-height:2}.app-intro__status{border:1px solid var(--color-accent);border-radius:6px;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:24px;padding:10px 14px;font-size:13px;line-height:1.7;display:inline-flex}.app-intro__status b{color:var(--color-accent);font-family:var(--font-geist-mono),monospace;letter-spacing:.16em;font-size:10px;font-weight:700}.app-intro__stage{border-bottom:1px solid var(--color-border);grid-template-columns:minmax(0,300px) minmax(0,1fr);align-items:center;gap:clamp(28px,4vw,64px);padding:clamp(36px,5vw,68px) clamp(20px,7vw,100px);display:grid}.app-intro__phone{justify-self:center;width:min(300px,100%)}.app-intro__features{border-bottom:1px solid var(--color-border);grid-template-columns:repeat(3,1fr);display:grid}.app-intro__feature{border-right:1px solid var(--color-border);padding:clamp(28px,3.5vw,48px) clamp(20px,3vw,40px)}.app-intro__feature:last-child{border-right:0}.app-intro__feature-num{color:var(--color-accent);font-family:var(--font-geist-mono),monospace;font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1}.app-intro__feature-title{letter-spacing:-.02em;margin-top:16px;font-size:clamp(17px,1.7vw,21px);font-weight:700;line-height:1.5}.app-intro__feature-body{color:var(--color-text-secondary);margin-top:12px;font-size:14px;line-height:1.9}.app-intro__foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:clamp(30px,4vw,52px) clamp(20px,7vw,100px) clamp(56px,7vw,90px);display:flex}.app-intro__foot-text{max-width:560px;color:var(--color-text-secondary);font-size:14px;line-height:1.9}.app-intro__foot-links{flex-wrap:wrap;gap:12px 24px;display:flex}.app-intro__link{color:var(--color-accent);align-items:center;gap:8px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}@media (max-width:900px){.app-intro__features{grid-template-columns:1fr}.app-intro__feature{border-right:0;border-bottom:1px solid var(--color-border)}.app-intro__feature:last-child{border-bottom:0}}@media (max-width:760px){.app-intro{border-left:0;border-right:0}.app-intro__br-sp{display:block}.app-intro__stage{grid-template-columns:1fr;justify-items:center}.app-intro__phone{width:min(72vw,280px)}}