.scroll-hint{position:fixed;bottom:2.8rem;left:50%;transform:translate(-50%);z-index:5;display:flex;flex-direction:column;align-items:center;gap:.5rem;color:#aab;font-size:.68rem;letter-spacing:.15em;pointer-events:none}.scroll-arrow{width:20px;height:20px;border-right:1.5px solid #889;border-bottom:1.5px solid #889;transform:rotate(45deg);opacity:.5;animation:sc-bounce 2s ease-in-out infinite}@keyframes sc-bounce{0%,to{transform:rotate(45deg) translateY(0)}50%{transform:rotate(45deg) translateY(6px)}}.hint-fade-enter-active{transition:opacity .8s}.hint-fade-leave-active{transition:opacity .4s}.hint-fade-enter-from,.hint-fade-leave-to{opacity:0}.brand-text{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem;pointer-events:none;transform:translateY(var(--text-offset-y, 0px))}.brand-text-main{font-family:Georgia,Times New Roman,serif;font-size:clamp(1.8rem,4.5vw,3.5rem);font-weight:400;color:#222;letter-spacing:.05em}.brand-text-sub{font-family:Georgia,Times New Roman,serif;font-size:clamp(.8rem,1.6vw,1.1rem);font-weight:400;color:#888;letter-spacing:.04em;font-style:italic}.brand-fade-enter-active{transition:opacity 1.4s ease-out,transform 1.2s ease-out}.brand-fade-leave-active{transition:opacity .5s ease-in}.brand-fade-enter-from{opacity:0;transform:scale(.96) translateY(.6rem)}.brand-fade-leave-to{opacity:0}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;overflow-x:hidden;background:#0b101d;font-family:Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;-webkit-font-smoothing:antialiased}#app{position:relative;width:100%}canvas{display:block}.light-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;pointer-events:none;background:#fff;opacity:0;transition:none}