:root{--text-micro:.5625rem;--text-fine:.625rem;--text-label:.6875rem;--text-caption-sm:.75rem;--text-caption:.8125rem;--text-sm:.875rem;--text-body-sm:.9375rem;--text-base:1rem;--text-body-lg:1.0625rem;--font-ui:"Huninn", system-ui, "Hiragino Sans", "Noto Sans TC", sans-serif;font-size:16px;font-family:var(--font-ui);-webkit-font-smoothing:antialiased;color:var(--color-root-color);background:var(--color-root-background);font-synthesis:weight;--paper:var(--color-root-paper);--ink:var(--color-root-ink);--rust:var(--color-root-rust);--muted:var(--color-root-muted);--glass-blur:3px;--glass-saturation:140%;--ease-out:cubic-bezier(.23, 1, .32, 1);--ease-spring:linear(0, .2375, .5904, .8358, .9599, 1.0061, 1.0152, 1.0116, 1.0062, 1.0025, 1.0006, .9999, 1)}a{color:var(--color-identity-p-color)}*{box-sizing:border-box}body{margin:0}html,body,#root,main{width:100%;height:100%;overflow:hidden}button{font:inherit;color:inherit;cursor:pointer;--press-scale:.92;--hover-scale:1.06;transition:background-color .16s ease, transform .4s var(--ease-spring);border:0}button:active:not(:disabled){transform:scale(var(--press-scale))}@media (hover:hover) and (pointer:fine){button:hover:not(:disabled):not(:active){transform:scale(var(--hover-scale))}}button:focus-visible{outline:3px solid var(--color-button-focus-visible-outline);outline-offset:5px}[hidden]{display:none!important}.webgl{touch-action:none;cursor:grab;width:100%;height:100%;display:block;position:fixed;inset:0}#room-ui{pointer-events:none;transition:opacity .2s;position:fixed;inset:0}#room-ui[inert]{opacity:0}.masthead{top:max(30px, env(safe-area-inset-top));justify-content:space-between;align-items:center;gap:24px;display:flex;position:absolute;left:38px;right:38px}.identity{align-items:center;gap:14px;display:flex}.seal,.loading-seal{background:var(--color-loading-seal-background);color:var(--color-loading-seal-color);width:47px;height:51px;box-shadow:inset 0 0 0 4px var(--color-loading-seal-shadow), inset 0 0 0 5px var(--color-loading-seal-shadow-2);border-radius:12px 9px 13px 8px;place-items:center;font-size:1.875rem;display:grid;transform:rotate(-5deg)}.identity h1{letter-spacing:-.025em;margin:0 0 5px;font-size:1.3125rem;font-weight:600}.identity p{font-family:var(--font-ui);font-size:var(--text-label);letter-spacing:.1em;color:var(--color-identity-p-color);margin:0}.view-controls{pointer-events:auto;gap:8px;display:flex}.language-select{border:1px solid var(--color-view-controls-button-border);background:var(--color-view-controls-button-background);width:44px;height:44px;font-size:var(--text-caption-sm);border-radius:50%;flex-shrink:0;place-items:center;display:grid;position:relative}.language-control{position:relative}.language-load-error{z-index:4;background:var(--color-popup-card-background);width:min(16rem,100vw - 40px);color:var(--color-scene-dialog-color);border-radius:8px;padding:10px 12px;line-height:1.5;position:absolute;top:calc(100% + 8px);right:0}.view-controls .language-load-error button{width:100%;height:auto;min-height:44px;font-size:inherit;border-radius:6px;margin-top:8px;padding:8px}.language-select select{opacity:0;cursor:pointer;width:100%;height:100%;font:inherit;font-size:var(--text-base);position:absolute;inset:0}.language-select:has(select:focus-visible){outline:3px solid var(--color-button-focus-visible-outline);outline-offset:5px}.language-select:hover{background:var(--color-view-controls-button-hover-background)}html[lang=en] .popup-card{line-height:1.6}.view-controls button{border:1px solid var(--color-view-controls-button-border);background:var(--color-view-controls-button-background);width:40px;height:40px;-webkit-backdrop-filter:blur(var(--glass-blur)) saturate(var(--glass-saturation));backdrop-filter:blur(var(--glass-blur)) saturate(var(--glass-saturation));border-radius:50%;place-items:center;padding:0;display:grid}.view-controls svg{width:18px;height:18px}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.view-controls button{background:var(--color-view-controls-button-aria-pressed-true-background)}}.view-controls button:hover{background:var(--color-view-controls-button-hover-background)}.view-controls button[aria-pressed=true]{background:var(--color-view-controls-button-aria-pressed-true-background);border-color:var(--color-view-controls-button-aria-pressed-true-border-color)}.discovery-count{font-variant-numeric:tabular-nums;color:var(--color-discovery-count-color);white-space:nowrap}.view-controls svg{fill:currentColor;width:16px;height:16px}.room-footer{bottom:calc(48px + env(safe-area-inset-bottom));justify-content:space-between;align-items:center;gap:20px;display:flex;position:absolute;left:38px;right:38px}.welcome-note{font-size:var(--text-caption);align-items:center;gap:8px;display:flex}.welcome-detail{font-family:var(--font-ui);font-size:var(--text-fine);color:var(--color-welcome-detail-color)}.little-dot{background:var(--color-little-dot-background);border-radius:50%;width:7px;height:7px}.footer-end{flex-direction:column;align-items:flex-end;gap:7px;display:flex}.orbit-hint{font-size:var(--text-fine);color:var(--color-orbit-hint-color);letter-spacing:.02em;margin:0}.social-nav{pointer-events:auto;gap:6px;display:flex}.social-nav button{background:0 0;border-radius:5px;place-items:center;width:44px;height:44px;display:grid}.social-nav button:hover{background:var(--color-social-nav-button-hover-background)}.social-nav svg{fill:currentColor;width:18px;height:18px}.object-tooltip{pointer-events:none;background:var(--color-object-tooltip-background);color:var(--color-object-tooltip-color);font-size:var(--text-label);box-shadow:0 3px 12px var(--color-object-tooltip-box-shadow);white-space:nowrap;z-index:3;border-radius:12px;padding:4px 8px;position:fixed;top:0;left:0;transform:translate(-50%,-100%)}.focus-cancel{top:max(24px, env(safe-area-inset-top));z-index:3;width:44px;height:44px;color:var(--color-focus-cancel-color);background:var(--color-focus-cancel-background);border-radius:50%;place-items:center;padding:0;display:grid;position:fixed;right:24px}.focus-cancel svg{width:20px;height:20px}#scene-dialog{width:100%;max-width:none;height:100dvh;max-height:none;padding:max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));color:var(--color-scene-dialog-color);background:0 0;border:0;margin:0;position:fixed;inset:0}#scene-dialog[open]{place-items:center;display:grid}#scene-dialog::backdrop{background:var(--color-scene-dialog-backdrop-background)}#scene-dialog[data-animate=true]::backdrop{animation:.18s ease-out popup-backdrop-in}@keyframes popup-backdrop-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){#scene-dialog[data-animate=true]::backdrop{animation:none}}#scene-dialog[data-docked=true][open]{padding-right:var(--story-card-gutter);justify-items:end}#scene-dialog[data-docked=true]::backdrop{background:linear-gradient(90deg, var(--color-scene-dialog-data-layout-side-backdrop-background), var(--color-scene-dialog-data-layout-side-backdrop-background-2))}#scene-dialog[data-docked=true][data-dock-side=left][open]{padding-left:var(--story-card-gutter);justify-items:start}#scene-dialog[data-docked=true][data-dock-side=left]::backdrop{background:linear-gradient(270deg, var(--color-scene-dialog-data-layout-side-backdrop-background), var(--color-scene-dialog-data-layout-side-backdrop-background-2))}.popup-card{width:min(100%, var(--story-card-width,680px));overscroll-behavior:contain;scrollbar-gutter:stable;border:5px solid var(--color-popup-card-border);background:var(--color-popup-card-background);min-height:0;max-height:100%;box-shadow:0 8px 0 var(--color-popup-card-shadow), 0 24px 64px var(--color-popup-card-shadow-2);font-family:var(--font-ui);font-size:var(--text-body-lg);text-align:left;border-radius:16px;padding:28px 36px 32px;line-height:1.85;overflow:auto}.popup-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.popup-kicker{color:var(--rust);font-size:var(--text-label);letter-spacing:.08em;margin:12px 0 20px;font-weight:650}.popup-close{width:44px;height:44px;color:var(--rust);background:0 0;border-radius:50%;flex-shrink:0;place-items:center;margin:-4px -12px 0 auto;display:grid}.popup-close svg{width:24px;height:24px}.popup-bookmark{color:var(--color-popup-bookmark-color);font-size:var(--text-caption);font-variant-numeric:tabular-nums;justify-content:space-between;gap:12px;margin:0 0 12px;display:flex}#popup-title{letter-spacing:-.025em;text-wrap:balance;margin:0 0 24px;font-size:clamp(1.5625rem,4vw,2.25rem);line-height:1.35}.popup-prose p{margin:0 0 18px}.popup-embed{aspect-ratio:16/9;background:#000;border-radius:10px;width:100%;margin:4px 0 24px;overflow:hidden}.popup-embed iframe{border:0;width:100%;height:100%;display:block}.popup-links,.popup-navigation{flex-wrap:wrap;gap:12px;display:flex}.popup-links a,.popup-navigation button,.contact-links>span{border:1px solid var(--color-contact-links-span-border);min-height:48px;color:var(--color-contact-links-span-color);background:var(--color-contact-links-span-background);font-size:var(--text-body-sm);border-radius:9px;flex:180px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;line-height:1.5;text-decoration:none;display:flex}.popup-links svg,.popup-navigation svg{flex-shrink:0;width:20px;height:20px}.popup-navigation{border-top:1px solid var(--color-popup-navigation-border-top);margin-top:28px;padding-top:22px}.popup-navigation button:first-child{background:var(--color-popup-navigation-button-first-child-background);flex:1}.popup-navigation button:last-child{color:var(--color-popup-navigation-button-last-child-color);background:var(--color-popup-navigation-button-last-child-background);border-color:var(--color-popup-navigation-button-last-child-border-color);flex:2}.popup-lead{color:var(--color-popup-lead-color);font-size:var(--text-body-sm);margin:-8px 0 24px}.story-index{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.story-index button,.letter-index-link,.popup-navigation button{--press-scale:.97;--hover-scale:1.02}.story-index button{background:var(--color-story-index-button-background);color:var(--color-story-index-button-color);text-align:left;border-radius:10px;flex-direction:column;gap:4px;padding:14px 18px;display:flex}.story-index button[data-visited=true]{background:var(--color-story-index-button-data-visited-true-background)}.story-number{width:100%;font-size:var(--text-label);color:var(--color-story-number-color);justify-content:space-between;display:flex}.story-number span{color:var(--color-story-number-span-color)}.story-index strong{font-size:var(--text-body-lg);font-weight:600}.story-object{font-size:var(--text-caption);color:var(--color-story-object-color)}.popup-progress{font-size:var(--text-sm);color:var(--color-popup-progress-color);margin:24px 0 0}.letter-index-link{color:var(--color-letter-index-link-color);text-align:left;text-underline-offset:5px;background:0 0;padding:14px 0;text-decoration:underline}#letter-dialog{width:100%;max-width:none;height:100%;max-height:none;color:var(--color-letter-dialog-color);background:0 0;border:0;margin:0;padding:0;position:fixed;inset:0;overflow:hidden}#letter-dialog::backdrop{background:0 0}.letter-heading{z-index:2;top:max(24px, env(safe-area-inset-top));text-shadow:0 1px 10px var(--color-letter-heading-text-shadow);justify-content:space-between;align-items:flex-start;gap:16px;display:flex;position:absolute;left:max(24px,50% - 500px);right:max(24px,50% - 500px)}#letter-title{letter-spacing:.06em;margin:0;font-size:1.6875rem;font-weight:500}#letter-description{font-size:var(--text-caption);margin:8px 0 0;line-height:1.6}.letter-heading button,.letter-controls button,.letter-controls a{border:1px solid var(--color-letter-controls-a-border);min-width:44px;min-height:44px;color:var(--color-letter-controls-a-color);background:var(--color-letter-controls-a-background);font-size:var(--text-caption);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;gap:7px;padding:0 10px;text-decoration:none;transition:background .16s;display:inline-flex}#letter-dialog button:disabled{opacity:.4;cursor:default}#letter-dialog svg{width:21px;height:21px}#letter-dialog :focus-visible{outline:2px solid var(--color-letter-dialog-focus-visible-outline);outline-offset:4px}.letter-view{touch-action:none;position:absolute;inset:120px 0}.letter-view[data-zoom=true]{cursor:grab}.letter-view[data-zoom=true]:active{cursor:grabbing}.letter-toolbar{bottom:max(24px, env(safe-area-inset-bottom));flex-direction:column;align-items:center;gap:12px;width:100%;display:flex;position:absolute;left:0}.letter-status{min-height:20px;font-size:var(--text-caption);text-shadow:0 1px 10px var(--color-letter-status-text-shadow);margin:0}.letter-controls{align-items:center;gap:8px;display:flex}.letter-count{font-size:var(--text-caption);font-variant-numeric:tabular-nums;padding:0 5px}.letter-divider{background:var(--color-letter-divider-background);width:1px;height:20px;margin:0 4px}@media (hover:hover) and (pointer:fine){#letter-dialog button:not(:disabled):hover,.letter-controls a:hover{background:var(--color-letter-controls-a-hover-background)}}@media (width<=600px){.letter-heading{left:18px;right:18px}#letter-title{font-size:1.4375rem}#letter-description{max-width:245px;font-size:var(--text-caption-sm)}.letter-controls{gap:5px}.letter-divider{margin:0 2px}}@media (prefers-reduced-motion:reduce){.letter-controls button,.letter-heading button{transition:none}}.popup-card :focus-visible,.inspiration-credit a:focus-visible{outline:3px solid var(--color-inspiration-credit-a-focus-visible-outline);outline-offset:3px}@media (hover:hover) and (pointer:fine){.popup-close:hover{background:var(--color-popup-close-hover-background)}.popup-links a:hover,.story-index button:hover{background:var(--color-story-index-button-hover-background)}.popup-navigation button:hover{filter:brightness(.96)}}.inspiration-credit{left:20px;right:20px;bottom:max(9px, env(safe-area-inset-bottom));text-align:center;color:var(--color-inspiration-credit-color);font:var(--text-label)/1.5 var(--font-ui);margin:0;position:absolute}.inspiration-credit a{color:inherit;text-underline-offset:3px;pointer-events:auto;padding:3px 0;display:inline-block}@media (width<=600px){#scene-dialog{padding:max(16px, env(safe-area-inset-top)) 12px max(20px, env(safe-area-inset-bottom))}.popup-card{font-size:var(--text-base);border-width:4px;border-radius:12px;padding:18px 20px 24px}.popup-kicker{font-size:var(--text-fine)}.popup-links{gap:8px}.popup-links a{font-size:var(--text-sm);flex-basis:130px;padding:12px}.story-index{gap:8px}.story-index button{padding:12px}.story-index strong{font-size:var(--text-body-sm)}.story-number{font-size:var(--text-fine)}.popup-navigation{gap:8px}.popup-navigation button{font-size:var(--text-sm);padding:12px 8px}}main[data-motion=off] *,main[data-motion=off] :before,main[data-motion=off] :after{transition:none!important}main[data-motion=off] button:hover,main[data-motion=off] button:active{transform:none}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.loading{background:var(--color-loading-background);z-index:10;flex-direction:column;justify-content:center;align-items:center;transition:opacity .6s;display:flex;position:fixed;inset:0}.loading.is-hidden{opacity:0;pointer-events:none;visibility:hidden;transition:opacity .6s,visibility 0s .6s}.loading-seal{width:60px;height:65px;margin-bottom:20px;font-size:2.375rem}.loading-title{letter-spacing:-.03em;margin:0 0 12px;font-size:1.5625rem}#loading-copy{font-family:var(--font-ui);font-size:var(--text-caption-sm);letter-spacing:.06em;color:var(--color-loading-copy-color);margin:0 0 24px}#loading-progress{background:var(--color-loading-progress-background);border-radius:3px;width:130px;height:3px;overflow:hidden}#loading-progress:after{content:"";height:100%;width:var(--progress,0%);background:var(--color-loading-progress-after-background);transition:width .2s;display:block}#retry{background:var(--color-retry-background);border-radius:10px;place-items:center;width:48px;height:48px;margin:20px;padding:0;display:grid}#retry svg{width:22px;height:22px}.no-script{background:var(--color-no-script-background);z-index:20;padding:30px;position:fixed;inset:25%}@media (width<=1100px){.welcome-detail{display:none}.welcome-note{font-size:var(--text-label)}.room-footer{gap:12px}.orbit-hint{font-size:var(--text-micro)}}@media (width<=720px){.masthead{top:max(22px, env(safe-area-inset-top));align-items:flex-start;left:20px;right:20px}.seal{width:37px;height:41px;font-size:1.5rem}.identity{gap:10px}.identity h1{font-size:1.1875rem}.identity p{font-size:var(--text-micro);letter-spacing:.02em}.view-controls{flex-direction:column;align-items:flex-end;gap:6px}.view-controls button{width:36px;height:36px}.view-controls svg{width:16px;height:16px}.room-footer{left:16px;right:16px;bottom:calc(42px + env(safe-area-inset-bottom));flex-direction:column;gap:14px}.welcome-note{font-size:var(--text-caption-sm)}.welcome-detail{font-size:var(--text-fine);display:inline}.footer-end{flex-direction:row;justify-content:space-between;align-items:center;width:100%;padding:0 7px}.orbit-hint{font-size:var(--text-fine)}.social-nav button{width:44px;height:44px}.object-tooltip{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}