:root{--cube-white: #f7f7f7;--cube-yellow: #ffd500;--cube-red: #b71234;--cube-orange: #ff5800;--cube-blue: #0046ad;--cube-green: #009b48;--brand: #0046ad;--brand-dark: #00337d;--brand-light: #e8f0fc;--accent: #009b48;--bg: #ffffff;--bg-soft: #f5f7fa;--bg-mute: #eef1f5;--border: #e2e6eb;--text: #1c2430;--text-soft: #525c6b;--text-mute: #8b95a3;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(20, 30, 50, .08), 0 6px 24px rgba(20, 30, 50, .06);--content-width: 820px;--wrap-width: 1180px;--header-h: 60px;--font-sans: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;--font-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.8;font-size:16px;word-break:break-word;overflow-wrap:anywhere}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}.header-inner{max-width:var(--wrap-width);margin:0 auto;height:var(--header-h);padding:0 20px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:.02em;color:var(--text)}.brand:hover{text-decoration:none}.brand svg{display:block;width:28px;height:28px;flex:none}.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.primary-nav>.nav-item{position:relative}.primary-nav>.nav-item>a{display:inline-block;padding:8px 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16px;background:var(--bg-mute);border-radius:var(--radius-sm)}.content code{font-family:var(--font-mono);font-size:.875em;background:var(--bg-mute);padding:2px 5px;border-radius:3px}.content pre code{background:none;padding:0;font-size:inherit}.content .alignleft{float:left;margin:.3em 1.2em .8em 0}.content .alignright{float:right;margin:.3em 0 .8em 1.2em}.content .aligncenter{display:block;margin-left:auto;margin-right:auto}.content .wp-caption{max-width:100%;background:var(--bg-soft);padding:6px;border-radius:6px}.content .wp-caption-text{font-size:.85rem;color:var(--text-mute);text-align:center;margin:4px 0 0}.hero{margin-bottom:36px;border-radius:var(--radius);overflow:hidden}.hero-banner{display:block;width:100%;height:auto;border-radius:var(--radius) var(--radius) 0 0}.hero-desc{margin:0;padding:12px 20px 16px;font-size:1rem;color:var(--text-soft);background:var(--bg-soft);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) 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h2{font-size:1.3rem;margin:1.8em 0 .7em;padding:5px 0 5px 12px}.content h3{font-size:1.15rem;margin:1.5em 0 .6em}.content h4{font-size:1.05rem;margin:1.2em 0 .5em}.content ul,.content ol{padding-left:1.4em}.content th,.content td{padding:6px 8px;font-size:.875rem}.breadcrumbs{font-size:.8rem}.brand{min-height:44px}.menu-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;padding:10px}.breadcrumbs a{display:inline-flex;align-items:center;min-height:44px;padding:4px 2px}.footer-nav a{display:inline-flex;align-items:center;min-height:44px;padding:4px 0}.content a{padding-block:3px}.child-list a{min-height:44px;display:flex;align-items:center}.primary-nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:8px;max-height:calc(100vh - 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