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surfaceFloatHorizontalLTR{0%{opacity:0;visibility:hidden;pointer-events:none;transform:translate(-65vw)translate(-50%)}15%{opacity:var(--float-opacity);visibility:visible;pointer-events:var(--float-pointer)}85%{opacity:var(--float-opacity);visibility:visible;pointer-events:var(--float-pointer)}to{opacity:0;visibility:hidden;pointer-events:none;transform:translate(65vw)translate(-50%)}}@keyframes surfaceFloatHorizontalRTL{0%{opacity:0;visibility:hidden;pointer-events:none;transform:translate(65vw)translate(-50%)}15%{opacity:var(--float-opacity);visibility:visible;pointer-events:var(--float-pointer)}85%{opacity:var(--float-opacity);visibility:visible;pointer-events:var(--float-pointer)}to{opacity:0;visibility:hidden;pointer-events:none;transform:translate(-65vw)translate(-50%)}}@keyframes latentFloatUpSoft{0%{opacity:0;transform:translateY(44vh)}12%{opacity:1}88%{opacity:1}to{opacity:0;transform:translateY(-44vh)}}@keyframes 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var(--size-adjust,1) * clamp(.65rem, 1.5vw, 1.05rem))!important}.send-button{padding:.6rem 2.2rem;font-size:clamp(.85rem,2vw,.95rem)}.latent-hint{white-space:normal;width:min(82vw,26rem);bottom:9%}}.bts-lang-ja .vertical-layout{height:82vh}.bts-lang-ja .latent-inner{--size-adjust:.82}.bts-lang-ja .vertical-layout.surface-wrapper--latent .surface-segment--active{font-size:clamp(1.3rem,3.6vh,2.2rem)}.bts-lang-ja .vertical-layout .surface-segment{font-size:clamp(1.3rem,3.4vh,2rem)}.bts-lang-en .horizontal-layout .surface-segment{font-size:clamp(1.45rem,3.2vw,2.8rem)}.bts-lang-en .horizontal-layout.surface-wrapper--latent .surface-segment--active{font-size:clamp(1.7rem,3.7vw,3.2rem)}.bts-lang-en .latent-item--horizontal .latent-inner{font-size:calc(var(--size-mult,1) * clamp(.68rem, 1.25vw, 1.05rem))}.bts-lang-en .reply-text--horizontal{font-size:clamp(1.5rem,2.8vw,2.25rem)}.bts-lang-zh-CN .vertical-layout .surface-segment,.bts-lang-zh-TW .vertical-layout 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var(--ink);border-radius:50%;width:44px;height:44px;margin-bottom:2rem;animation:1s linear infinite init-spin}.scene-init-text{letter-spacing:.16em;color:var(--ink-dim);text-align:center;font-size:clamp(.7rem,1vw,.85rem);animation:1.5s ease-in-out infinite init-pulse}@keyframes init-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes init-pulse{0%,to{opacity:.6}50%{opacity:1}}.bts-audio-toggle{color:var(--ink);letter-spacing:.15em;opacity:.35;cursor:pointer;z-index:1001;-webkit-user-select:none;user-select:none;background:0 0;border:none;padding:8px 12px;font-family:inherit;font-size:11px;transition:transform .4s cubic-bezier(.16,1,.3,1),opacity .4s;position:fixed;bottom:24px;right:24px}.bts-audio-toggle:hover{opacity:.85;transform:translateY(-2px)}.bts-audio-toggle:focus-visible{opacity:.85;outline-offset:4px;outline:1px solid #17171659}.bts-audio-toggle--disabled{opacity:.18;text-decoration:line-through}