:root{--bg: #0d0d12;--surface: #15151c;--surface-2: #1b1b24;--border: #262631;--border-strong: #34343f;--text: #e9e7e4;--text-dim: #a09eab;--text-faint: #6f6d7a;--accent: #e34059;--accent-soft: rgba(227, 64, 89, .12);--accent-2: #8f7bff;--accent-2-soft: rgba(143, 123, 255, .12);--font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-display: "Shippori Mincho", "Hiragino Mincho ProN", Georgia, serif;--header-h: 58px;--sidebar-w: 272px}*{box-sizing:border-box}html{scroll-padding-top:calc(var(--header-h) + 16px)}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:15.5px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}.site-header{position:fixed;inset:0 0 auto;height:var(--header-h);display:flex;align-items:center;gap:16px;padding:0 20px;background:#0d0d12eb;backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:50}.brand{display:flex;align-items:baseline;gap:10px;font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:var(--text);white-space:nowrap}.brand:hover{text-decoration:none}.brand .kanji{color:var(--accent);font-size:1.05rem}.brand .ver{font-family:var(--font-body);font-size:.68rem;font-weight:600;color:var(--text-faint);border:1px solid var(--border-strong);border-radius:4px;padding:1px 6px;letter-spacing:.04em}.nav-toggle{display:none;background:none;border:1px solid var(--border-strong);border-radius:8px;color:var(--text);width:38px;height:38px;font-size:1.1rem;cursor:pointer;flex-shrink:0}.search{position:relative;margin-left:auto;width:min(420px,45vw)}.search input{width:100%;height:38px;padding:0 14px 0 36px;background:var(--surface);border:1px solid var(--border-strong);border-radius:10px;color:var(--text);font:inherit;font-size:.9rem;outline:none}.search input:focus{border-color:var(--accent-2)}.search 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