.reader-page{max-width:900px}.reader-page h1{font-size:clamp(28px,4vw,42px);line-height:1.4;word-break:keep-all;overflow-wrap:anywhere}.reader-page h2{font-size:clamp(21px,3vw,27px);line-height:1.5}.reader-page p,.reader-page li,.reader-page dd{line-height:1.9;word-break:keep-all;overflow-wrap:anywhere}.reader-page .info-section{scroll-margin-top:24px}.reader-page a:not(.brand){text-decoration:underline;text-underline-offset:4px}.reader-page a:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.reader-meta{color:var(--muted);font-size:13px}.reader-toc,.reader-note{background:var(--panel);border-left:3px solid var(--cyan);padding:20px;margin:28px 0;border-radius:0 10px 10px 0}.reader-toc a{display:inline-block;padding:7px 0}.reader-note p{margin:0;font-size:14px}.reader-links{list-style:none;padding:0;display:grid;gap:0}.reader-links li{border-bottom:1px solid var(--line)}.reader-links a{display:block;padding:24px 0;text-decoration:none!important}.reader-links strong,.reader-links small,.reader-links span{display:block}.reader-links strong{font-size:20px;line-height:1.5;margin:6px 0 10px}.reader-links small{color:var(--cyan)}.reader-links span{color:var(--muted);font-size:14px}.reader-links a:hover strong{color:var(--cyan)}.reader-table{max-width:100%;overflow-x:auto;margin:24px 0}.reader-table table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px}.reader-table th,.reader-table td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.7;word-break:normal;overflow-wrap:anywhere}.reader-table caption{text-align:left;margin-bottom:12px;color:var(--muted)}.reader-comparison{margin:24px 0}.reader-comparison dt{font-weight:700;color:var(--cyan);margin:24px 0 8px}.reader-comparison dd{margin:0}.reader-figure{margin:24px 0}.reader-figure img{display:block;width:100%;height:auto;border-radius:12px}.reader-figure .tetris-example{max-width:220px;margin:auto}.reader-figure figcaption{color:var(--muted);font-size:13px;line-height:1.7;margin-top:12px}.reader-skip{position:absolute;left:12px;top:8px;transform:translateY(-200%);padding:12px;background:var(--panel);z-index:10000}.reader-skip:focus{transform:none}.reader-page .guide-nav a{min-height:44px;display:inline-flex;align-items:center}.reader-page .reader-related li{margin:12px 0}@media(max-width:400px){.reader-page{width:calc(100% - 24px)}.reader-toc{padding:16px}.reader-table th,.reader-table td{padding:9px 5px;font-size:12px}.reader-links strong{font-size:18px}}
.reader-game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.reader-game{min-width:0;padding:18px;background:var(--panel);border-radius:12px;scroll-margin-top:20px}.reader-game>img{display:block;width:100%;max-height:150px;object-fit:contain}.reader-game h3{margin:8px 0;font-size:22px}.reader-game strong{font-size:14px;color:var(--cyan)}.reader-game p{font-size:14px}.reader-game a{display:inline-flex;align-items:center;min-height:44px}.reader-related li{margin:12px 0}.reader-page .reader-game-grid a{text-decoration:none}.reader-game:focus-within{outline:2px solid var(--cyan);outline-offset:3px}@media(max-width:600px){.reader-game-grid{grid-template-columns:1fr}}