.intro-overlay{z-index:9999;width:100vw;height:100vh;position:fixed;top:0;left:0}.intro-content{text-align:center;justify-content:center;align-items:center;width:100%;height:100vh;display:flex;position:relative}.intro-text{color:#c5a059;white-space:nowrap;z-index:2;margin:0;font-family:Noto Serif JP,serif;font-size:clamp(3rem,12vw,8rem);font-weight:900;position:absolute}.intro-text-english,.intro-text-japanese{opacity:1;transition:clip-path .18s cubic-bezier(.33,0,.2,1)}.intro-cloud{opacity:1;pointer-events:none;z-index:10;filter:blur(1.5px)brightness(1.12)drop-shadow(0 8px 24px #c5a05926);will-change:transform,filter;width:min(45vw,420px);height:auto;animation:6.5s cubic-bezier(.33,0,.2,1) forwards cloudDrift;position:fixed;top:50%;left:-40vw;transform:translateY(-50%)}@keyframes cloudDrift{0%{filter:blur(2px)brightness(1.12)drop-shadow(0 8px 24px #c5a05926);animation-timing-function:cubic-bezier(.4,0,.6,1);transform:translateY(-50%)translate(0)scale(.95)}25%{filter:blur(1.5px)brightness(1.15)drop-shadow(0 12px 32px #c5a05933);animation-timing-function:cubic-bezier(.4,0,.4,1);transform:translateY(calc(-50% - 12px))translate(32vw)scale(1)}50%{filter:blur(1px)brightness(1.18)drop-shadow(0 16px 40px #c5a05940);animation-timing-function:cubic-bezier(.2,0,.1,1);transform:translateY(calc(8px - 50%))translate(68vw)scale(1.02)}70%{filter:blur(1.5px)brightness(1.14)drop-shadow(0 12px 32px #c5a0592e);animation-timing-function:cubic-bezier(.1,0,0,1);transform:translateY(calc(-50% - 6px))translate(95vw)scale(1)}to{filter:blur(2px)brightness(1.1)drop-shadow(0 8px 24px #c5a0591a);transform:translateY(-50%)translate(140vw)scale(.98)}}