:root{color-scheme:dark;--bg:#11151c;--ink:#e8e5db;--muted:#a8aaa9;--line:#51545a;--gold:#ceb98e;--panel:#1b2027}[hidden]{display:none!important}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 50% 0%,#27303b 0,#11151c 36rem);color:var(--ink);font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;line-height:1.9}.shell{min-height:100vh;max-width:1100px;margin:auto;padding:0 clamp(1.2rem,5vw,4rem)}.masthead{display:flex;justify-content:space-between;gap:1rem;padding:1.5rem 0;border-bottom:1px solid var(--line);font:600 .72rem/1.5 system-ui,sans-serif;letter-spacing:.2em}.brand-rule{color:var(--gold);padding:0 .35rem}.edition,.eyebrow,.chapter-head,.slice-end,footer{color:var(--gold);font:600 .7rem/1.5 system-ui,sans-serif;letter-spacing:.22em}.title-screen{min-height:76vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.eyebrow{margin:0 0 1.4rem}h1{font-size:clamp(2.5rem,7vw,5.2rem);font-weight:400;letter-spacing:.12em;line-height:1.3;margin:0 0 2rem}.lead{font-size:clamp(1.05rem,2.5vw,1.3rem);line-height:2.2;margin:0 0 3rem;color:#d4d4d0}.primary{background:transparent;color:var(--ink);border:1px solid var(--gold);padding:.8rem 1.5rem;min-height:3rem;font:600 .85rem system-ui,sans-serif;letter-spacing:.1em;cursor:pointer}.primary:hover,.primary:focus-visible{background:#413d35;outline:2px solid transparent}.primary:disabled{opacity:.5;cursor:wait}.hidden{display:none!important}.reader{max-width:760px;margin:4rem auto 7rem}.chapter-head{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:.65rem;margin:4rem 0 2rem}.prose{white-space:pre-wrap;font-size:clamp(1rem,2.3vw,1.16rem);line-height:2.25;letter-spacing:.04em}.action-panel{margin:4rem 0 1rem;padding:2rem;background:var(--panel);border-left:2px solid var(--gold)}.action-panel label{display:block;font-size:1.35rem;margin-bottom:1rem}.action-panel textarea{width:100%;min-height:8rem;resize:vertical;background:#11151c;color:var(--ink);border:1px solid #74777a;padding:1rem;font:1rem/1.8 inherit}.action-panel textarea:focus-visible{outline:2px solid var(--gold)}.action-bottom{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;margin-top:1rem}.action-bottom span,.status{color:var(--muted);font-size:.85rem}.status{min-height:1.6rem}.adaptive{border-left:1px solid var(--gold);padding-left:1.5rem}.anchor-head{margin-top:5rem}.canon-art{margin:2rem 0 3rem}.canon-art img,.art-placeholder{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:radial-gradient(circle,#59616a 0,#222933 28%,#0f141b 75%)}.art-placeholder{position:relative;overflow:hidden;display:grid;place-items:center}.art-ring{position:absolute;width:35%;aspect-ratio:1;border:2px solid #b1b5b5;border-radius:50%;filter:drop-shadow(0 0 15px #c2d5e6);transform:rotate(-45deg);clip-path:polygon(0 0,100% 0,100% 70%,70% 70%,70% 100%,0 100%)}.art-title{font-size:clamp(2rem,6vw,4.5rem);letter-spacing:.4em;text-indent:.4em;text-shadow:0 0 25px #dce6e4}.art-stamp{position:absolute;bottom:1rem;right:1rem;background:#11151ccc;padding:.2rem .6rem;font:600 .7rem system-ui,sans-serif;letter-spacing:.1em}.canon-art figcaption{color:var(--muted);font-size:.8rem;margin-top:.7rem}.slice-end{text-align:center;border-top:1px solid var(--line);padding:2rem 0;margin-top:4rem}footer{border-top:1px solid var(--line);padding:1.5rem 0;text-align:center;color:var(--muted)}@media(max-width:600px){.reader{margin:2rem auto 5rem}.action-panel{padding:1.25rem}.action-bottom{align-items:stretch;flex-direction:column}.action-bottom .primary{align-self:flex-end}.prose{line-height:2.05}.chapter-head{margin-top:3rem}}
.story-scene{scroll-margin-top:2rem}#advance{display:block;margin:3rem auto}#ending{margin:5rem 0;padding:2rem;border-top:1px solid var(--gold)}#ending h2{font:500 clamp(1.5rem,4vw,2.3rem) serif;color:var(--gold)}#ending-subtitle{letter-spacing:.15em;color:var(--muted)}#ending-reflection{margin-top:2rem}

/* Episode 0 prelude: visual beat gallery */
.prelude-reader{margin-top:3rem}.prelude-title{font-size:clamp(1.6rem,4vw,2.8rem);font-weight:400;letter-spacing:.08em}.prelude-gallery{display:grid;gap:1.5rem;margin:2rem 0}.prelude-gallery .canon-art{margin:0}.prelude-gallery img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.prelude-reader>.primary{display:block;margin:2.5rem auto}