html,body{margin:0;background:#F5F7FB}
.startup-screen{box-sizing:border-box;min-height:100vh;min-height:100dvh;max-width:480px;margin:0 auto;padding:calc(24px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom));display:grid;place-content:center;justify-items:center;gap:0;background:#F5F7FB;color:#172033;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans KR","Malgun Gothic",sans-serif;text-align:center}
.startup-mark{position:relative;display:grid;place-items:center;width:112px;height:112px;margin-bottom:18px}
.startup-mark:before{content:"";position:absolute;inset:0;border:1px solid #C8DDFF;border-radius:34px;animation:startup-halo 2s ease-out infinite}
.startup-mark img{display:block;position:relative;box-shadow:0 12px 28px #1468F326;border-radius:20px;animation:startup-breathe 2s ease-in-out infinite}
.startup-screen h1{margin:0;font-size:28px;line-height:36px;font-weight:750;letter-spacing:-.6px}
.startup-screen .startup-subtitle{margin:8px 0 0;font-size:14px;line-height:22px;color:#69778C}
.startup-trace{width:144px;height:36px;margin:22px 0 14px;overflow:visible}
.startup-trace path{fill:none;stroke:#1468F3;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:190;animation:startup-trace 2s ease-in-out infinite}
.startup-screen .startup-message{margin:0;font-size:12px;line-height:20px;color:#69778C}
.startup-dots{display:inline-flex;gap:3px;width:20px;margin-left:4px;vertical-align:middle}
.startup-dots i{width:3px;height:3px;background:#1468F3;border-radius:50%;animation:startup-dot 1.2s ease-in-out infinite}
.startup-dots i:nth-child(2){animation-delay:.15s}.startup-dots i:nth-child(3){animation-delay:.3s}
@keyframes startup-halo{0%{transform:scale(.9);opacity:.8}100%{transform:scale(1.13);opacity:0}}
@keyframes startup-breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.035)}}
@keyframes startup-trace{0%{stroke-dashoffset:190;opacity:.4}55%,80%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:0;opacity:.25}}
@keyframes startup-dot{0%,80%,100%{opacity:.3}40%{opacity:1}}
@media(prefers-reduced-motion:reduce){.startup-mark:before,.startup-mark img,.startup-trace path,.startup-dots i{animation:none}.startup-mark:before{opacity:.6}}