*{box-sizing:border-box}html,body,#app{height:100%;margin:0}.stage{position:relative;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#fff;background:linear-gradient(-45deg,#ee7752,#e73c7e,#23a6d5,#23d5ab);background-size:400% 400%;animation:gradient 16s ease infinite}@keyframes gradient{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.logo{position:absolute;top:1.25rem;left:1.25rem;z-index:10;display:block;line-height:0;transition:transform .15s ease}.logo:hover{transform:scale(1.04)}.logo img{display:block;width:clamp(75px,10vw,120px);height:auto}.slide{text-align:center}.greeting{font-size:clamp(3rem,14vw,9rem);font-weight:800;margin:0;text-shadow:0 4px 24px rgba(0,0,0,.25);line-height:1.1}.lang{font-size:clamp(1rem,4vw,1.75rem);margin:.75rem 0 0;opacity:.9;letter-spacing:.15em;text-transform:uppercase}.sound-toggle{position:absolute;bottom:1.5rem;right:1.5rem;z-index:10;padding:.6rem 1.1rem;font:inherit;font-size:1rem;color:#fff;background:#00000040;border:1px solid rgba(255,255,255,.5);border-radius:999px;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:background .2s,transform .1s}.sound-toggle:hover{background:#0006}.sound-toggle:active{transform:scale(.96)}.sound-toggle.on{background:#ffffff38}.fade-enter-active,.fade-leave-active{transition:opacity .5s ease,transform .5s ease}.fade-enter-from{opacity:0;transform:translateY(20px)}.fade-leave-to{opacity:0;transform:translateY(-20px)}