:root{--color-bg:#f8fafc;--color-bg-subtle:#f1f5f9;--color-surface:#fff;--color-surface-hover:#f8fafc;--color-surface-elevated:#fff;--color-ink:#0f172a;--color-ink-soft:#334155;--color-ink-muted:#64748b;--color-ink-faint:#94a3b8;--color-accent:#e63946;--color-accent-hover:#d62828;--color-accent-soft:#e6394614;--color-accent-border:#e6394640;--color-tech:#0284c7;--color-tech-soft:#0284c714;--color-tech-border:#0284c740;--color-amber:#d97706;--color-amber-soft:#d977061a;--color-emerald:#059669;--color-emerald-soft:#0596691a;--color-border:#e2e8f0;--color-border-subtle:#edf2f7;--color-border-hover:#cbd5e1;--shadow-sm:0 1px 3px #0f172a0a, 0 1px 2px #0f172a05;--shadow-md:0 4px 6px -1px #0f172a0f, 0 2px 4px -2px #0f172a0a;--shadow-lg:0 12px 24px -4px #0f172a14, 0 4px 8px -2px #0f172a08;--shadow-glow:0 0 25px #e6394626;--font-main:"Plus Jakarta Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;color-scheme:light}html.dark{--color-bg:#0b0f17;--color-bg-subtle:#111622;--color-surface:#151c28;--color-surface-hover:#1b2434;--color-surface-elevated:#1e283a;--color-ink:#f8fafc;--color-ink-soft:#cbd5e1;--color-ink-muted:#94a3b8;--color-ink-faint:#64748b;--color-accent:#ff4d5e;--color-accent-hover:#ff6b7a;--color-accent-soft:#ff4d5e1f;--color-accent-border:#ff4d5e59;--color-tech:#38bdf8;--color-tech-soft:#38bdf81f;--color-tech-border:#38bdf859;--color-amber:#fbbf24;--color-amber-soft:#fbbf241f;--color-emerald:#34d399;--color-emerald-soft:#34d3991f;--color-border:#1e293b;--color-border-subtle:#172033;--color-border-hover:#334155;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 8px #0006;--shadow-lg:0 12px 28px #00000080;--shadow-glow:0 0 30px #ff4d5e38;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background-color:var(--color-bg);background-image:radial-gradient(var(--color-border-subtle) 1px, transparent 1px);color:var(--color-ink);font-family:var(--font-main);letter-spacing:-.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-size:28px 28px;margin:0;font-size:16px;line-height:1.75;transition:background-color .25s,color .25s}main{width:min(1200px,100% - 2.5rem);margin:0 auto}h1,h2,h3,h4,h5,h6{color:var(--color-ink);letter-spacing:-.02em;margin:0 0 .5em;font-weight:700;line-height:1.25}h1{font-size:clamp(2rem,4vw,3.25rem)}h2{font-size:clamp(1.5rem,3vw,2.25rem)}h3{font-size:clamp(1.2rem,2.2vw,1.6rem)}h4{font-size:1.15rem}p{color:var(--color-ink-soft);margin:0 0 1.25em}a{color:var(--color-ink);text-decoration:none;transition:color .18s,transform .18s}a:hover{color:var(--color-accent)}img{max-width:100%;height:auto;display:block}code,kbd,samp,pre{font-family:var(--font-mono)}code{background:var(--color-bg-subtle);border:1px solid var(--color-border);color:var(--color-accent);border-radius:4px;padding:.18em .45em;font-size:.88em}pre{color:#e6edf3;border:1px solid var(--color-border);border-radius:10px;padding:1.25rem;font-size:.9em;line-height:1.6;overflow-x:auto;background:#0d1117!important}pre>code{color:inherit;background:0 0;border:none;padding:0;font-size:1em}blockquote{border-left:3px solid var(--color-accent);background:var(--color-accent-soft);color:var(--color-ink-soft);border-radius:0 8px 8px 0;margin:1.75rem 0;padding:.75rem 1.25rem;font-style:italic}blockquote p:last-child{margin-bottom:0}table{border-collapse:separate;border-spacing:0;border:1px solid var(--color-border);border-radius:8px;width:100%;margin:1.5rem 0;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:.75rem 1rem}th{background:var(--color-bg-subtle);color:var(--color-ink);text-transform:uppercase;letter-spacing:.05em;font-size:.88rem;font-weight:700}tr:last-child td{border-bottom:none}hr{background:linear-gradient(90deg, transparent, var(--color-border), transparent);border:none;height:1px;margin:2.5rem 0}::selection{background:var(--color-accent);color:#fff}.hanko-badge{border:1.5px solid var(--color-accent);width:1.75rem;height:1.75rem;color:var(--color-accent);letter-spacing:-.05em;user-select:none;background:var(--color-accent-soft);box-shadow:inset 0 0 4px var(--color-accent-border);border-radius:4px;justify-content:center;align-items:center;font-size:.75rem;font-weight:900;line-height:1;display:inline-flex;transform:rotate(-3deg)}.tag-badge{letter-spacing:.02em;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-ink-muted);border-radius:9999px;align-items:center;gap:.35rem;padding:.25rem .65rem;font-size:.75rem;font-weight:600;transition:all .2s;display:inline-flex}.tag-badge:hover{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-accent-soft)}.tag-badge.tech{border-color:var(--color-tech-border);background:var(--color-tech-soft);color:var(--color-tech)}.tag-badge.primary{border-color:var(--color-accent-border);background:var(--color-accent-soft);color:var(--color-accent)}.tag-badge.amber{border-color:var(--color-amber-soft);background:var(--color-amber-soft);color:var(--color-amber)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--color-accent);align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.8rem;font-weight:700;display:inline-flex}.eyebrow:before{content:"";background:var(--color-accent);width:6px;height:6px;box-shadow:0 0 8px var(--color-accent);border-radius:50%;display:inline-block}.shoji-card{background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm);border-radius:14px;transition:all .28s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}.shoji-card:hover{border-color:var(--color-border-hover);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.callout{border:1px solid var(--color-border);background:var(--color-surface);border-radius:10px;margin:1.75rem 0;padding:1.15rem 1.35rem}.callout.tip{border-left:4px solid var(--color-emerald);background:var(--color-emerald-soft)}.callout.note{border-left:4px solid var(--color-tech);background:var(--color-tech-soft)}.callout.warn{border-left:4px solid var(--color-accent);background:var(--color-accent-soft)}.callout-title{align-items:center;gap:.5rem;margin-bottom:.4rem;font-size:.92rem;font-weight:700;display:flex}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex}.btn-primary{background:var(--color-accent);box-shadow:0 4px 14px #e639464d;color:#fff!important}.btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px #e6394666}.btn-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-ink)!important}.btn-secondary:hover{border-color:var(--color-accent);background:var(--color-surface-hover);color:var(--color-accent)!important}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=640px){main{width:calc(100% - 1.75rem)}}ruby{ruby-align:center;ruby-position:over;-webkit-ruby-position:over;cursor:pointer}rt{color:var(--color-tech);user-select:none;font-size:.62em;font-family:var(--font-main);letter-spacing:normal;font-weight:600;line-height:1;transition:opacity .2s,visibility .2s}html.dark rt{color:#60a5fa}html.hide-furigana rt,body.hide-furigana rt{visibility:hidden!important;opacity:0!important}html.hide-furigana ruby:hover rt,body.hide-furigana ruby:hover rt{visibility:visible!important;opacity:1!important;color:var(--color-accent)!important}html.hide-furigana ruby:hover,body.hide-furigana ruby:hover{text-decoration:underline wavy var(--color-accent);text-underline-offset:3px}.jp-quote-box{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-left:4px solid var(--color-tech);border-radius:10px;margin:1.25rem 0 1.75rem;padding:1.1rem 1.35rem}.jp-label{color:var(--color-tech);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.4rem;font-size:.75rem;font-weight:700;display:block}.jp-sentence{color:var(--color-ink);font-size:1.05rem;line-height:2.15;font-family:var(--font-main);margin:0}.jp-sub-sentence{color:var(--color-ink-muted);margin-top:.25rem;font-size:.9em;line-height:1.85;display:block}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);background:var(--color-surface);margin-top:5rem;padding:4.5rem 0 2.5rem;transition:background-color .25s,border-color .25s}.footer-inner[data-astro-cid-jo6i4kqk]{width:min(1200px,100% - 2.5rem);margin:0 auto}.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:2fr 1.3fr 1fr;gap:3.5rem;margin-bottom:3.5rem;display:grid}.brand-col[data-astro-cid-jo6i4kqk]{max-width:30rem}.footer-brand[data-astro-cid-jo6i4kqk]{align-items:center;gap:.85rem;margin-bottom:1.1rem;display:flex}.footer-logo-mark[data-astro-cid-jo6i4kqk]{filter:drop-shadow(0 2px 6px #e639464d);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.footer-title-wrap[data-astro-cid-jo6i4kqk]{align-items:center;gap:.45rem;display:inline-flex}.footer-brand-title[data-astro-cid-jo6i4kqk]{color:var(--color-ink);font-size:1.2rem;font-weight:800;line-height:1.2;display:inline-block}.footer-brand-domain[data-astro-cid-jo6i4kqk]{color:var(--color-accent);font-weight:900}.footer-brand-pill[data-astro-cid-jo6i4kqk]{text-transform:uppercase;letter-spacing:.04em;background:var(--color-accent-soft);color:var(--color-accent);border-radius:4px;padding:.1rem .38rem;font-size:.65rem;font-weight:700;line-height:1.2;display:inline-block}.brand-sub[data-astro-cid-jo6i4kqk]{color:var(--color-ink-muted);margin:0;font-size:.75rem}.footer-desc[data-astro-cid-jo6i4kqk]{color:var(--color-ink-muted);margin-bottom:1.25rem;font-size:.92rem;line-height:1.7}.bridge-indicator[data-astro-cid-jo6i4kqk]{background:var(--color-bg-subtle);border:1px solid var(--color-border);color:var(--color-ink-soft);border-radius:9999px;align-items:center;gap:.6rem;padding:.35rem .8rem;font-size:.75rem;font-weight:700;display:inline-flex}.bridge-arrow[data-astro-cid-jo6i4kqk]{color:var(--color-accent);font-weight:900}.col-title[data-astro-cid-jo6i4kqk]{text-transform:uppercase;letter-spacing:.05em;color:var(--color-ink);margin-bottom:1.25rem;font-size:.9rem;font-weight:700}.footer-links[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:.65rem;margin:0;padding:0;list-style:none;display:flex}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--color-ink-muted);font-size:.9rem;transition:color .18s,transform .18s}.footer-links[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-accent);transform:translate(3px)}.footer-bottom[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);color:var(--color-ink-muted);justify-content:space-between;align-items:center;padding-top:2rem;font-size:.82rem;display:flex}.copyright[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;align-items:center;gap:1.25rem;display:flex}.kaizen-badge[data-astro-cid-jo6i4kqk]{background:var(--color-emerald-soft);color:var(--color-emerald);border-radius:4px;padding:.15rem .5rem;font-size:.72rem;font-weight:700;display:inline-block}.back-to-top[data-astro-cid-jo6i4kqk]{color:var(--color-ink);border:1px solid var(--color-border);background:var(--color-bg-subtle);border-radius:6px;padding:.35rem .75rem;font-weight:700;transition:all .2s}.back-to-top[data-astro-cid-jo6i4kqk]:hover{border-color:var(--color-accent);color:var(--color-accent)}@media (width<=860px){.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1fr;gap:2.5rem}.brand-col[data-astro-cid-jo6i4kqk]{grid-column:1/-1;max-width:none}}@media (width<=540px){.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr;gap:2rem}.footer-bottom[data-astro-cid-jo6i4kqk]{flex-direction:column;align-items:flex-start;gap:1rem}}.site-header[data-astro-cid-nen7h5rs]{z-index:100;border-bottom:1px solid var(--color-border);-webkit-backdrop-filter:blur(12px);background:#f8fafcd9;width:100%;transition:border-color .2s,background .2s;position:sticky;top:0}html.dark .site-header[data-astro-cid-nen7h5rs]{border-bottom-color:var(--color-border);background:#0b0f17d9}.header-inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:1.5rem;width:min(1200px,100% - 2.5rem);height:4.25rem;margin:0 auto;display:flex}.brand[data-astro-cid-nen7h5rs]{align-items:center;gap:.75rem;text-decoration:none;display:inline-flex}.brand-logo-mark[data-astro-cid-nen7h5rs]{filter:drop-shadow(0 2px 8px #e6394659);flex-shrink:0;justify-content:center;align-items:center;transition:transform .25s cubic-bezier(.16,1,.3,1),filter .25s;display:inline-flex}.brand[data-astro-cid-nen7h5rs]:hover .brand-logo-mark[data-astro-cid-nen7h5rs]{filter:drop-shadow(0 4px 12px #e6394680);transform:scale(1.08)translateY(-1px)}.brand-text[data-astro-cid-nen7h5rs]{flex-direction:column;gap:.1rem;display:flex}.brand-title-wrap[data-astro-cid-nen7h5rs]{align-items:center;gap:.45rem;display:inline-flex}.brand-title[data-astro-cid-nen7h5rs]{letter-spacing:-.02em;color:var(--color-ink);font-size:1.12rem;font-weight:800;line-height:1.2}.brand-domain[data-astro-cid-nen7h5rs]{color:var(--color-accent);font-weight:900}.brand-pill[data-astro-cid-nen7h5rs]{text-transform:uppercase;letter-spacing:.04em;background:var(--color-accent-soft);color:var(--color-accent);border-radius:4px;padding:.1rem .38rem;font-size:.65rem;font-weight:700;line-height:1.2;display:inline-block}.brand-sub[data-astro-cid-nen7h5rs]{letter-spacing:.01em;color:var(--color-ink-muted);font-size:.68rem;font-weight:600;line-height:1.2}.nav-menu[data-astro-cid-nen7h5rs]{align-items:center;gap:.4rem;display:flex}.nav-menu[data-astro-cid-nen7h5rs] a{color:var(--color-ink-soft);border-radius:8px;flex-direction:column;align-items:center;padding:.45rem .95rem;font-weight:600;line-height:1.2;transition:all .18s;display:inline-flex;position:relative}.nav-main[data-astro-cid-nen7h5rs]{font-size:.88rem;font-weight:600}.nav-sub[data-astro-cid-nen7h5rs]{color:var(--color-ink-muted);letter-spacing:.03em;font-size:.65rem;transition:color .18s}.nav-menu[data-astro-cid-nen7h5rs] a:hover{background:var(--color-surface-hover);color:var(--color-accent)}.nav-menu[data-astro-cid-nen7h5rs] a:hover .nav-sub[data-astro-cid-nen7h5rs]{color:var(--color-accent);opacity:.8}.nav-menu[data-astro-cid-nen7h5rs] a.active{background:var(--color-accent-soft);color:var(--color-accent);box-shadow:inset 0 0 0 1px var(--color-accent-border);font-weight:700}.nav-menu[data-astro-cid-nen7h5rs] a.active .nav-main[data-astro-cid-nen7h5rs]{color:var(--color-accent);font-weight:700}.nav-menu[data-astro-cid-nen7h5rs] a.active .nav-sub[data-astro-cid-nen7h5rs]{color:var(--color-accent);opacity:.95;font-weight:700}.nav-menu[data-astro-cid-nen7h5rs] a.active:after{content:"";background:var(--color-accent);border-radius:2px;height:2px;position:absolute;bottom:3px;left:12px;right:12px}.header-actions[data-astro-cid-nen7h5rs]{align-items:center;gap:.6rem;display:flex}.furigana-toggle-btn[data-astro-cid-nen7h5rs]{border:1px solid var(--color-border);background:var(--color-surface);height:2.25rem;color:var(--color-ink-soft);cursor:pointer;border-radius:8px;align-items:center;gap:.4rem;padding:0 .75rem;font-size:.8rem;font-weight:600;transition:all .2s;display:inline-flex}.furigana-toggle-btn[data-astro-cid-nen7h5rs]:hover{border-color:var(--color-tech);color:var(--color-tech);background:var(--color-tech-soft)}.furigana-toggle-btn[data-astro-cid-nen7h5rs].furi-off{opacity:.65;border-style:dashed}.furi-kana[data-astro-cid-nen7h5rs]{color:var(--color-tech);font-size:.95rem;font-weight:800;line-height:1}.icon-btn[data-astro-cid-nen7h5rs]{border:1px solid var(--color-border);background:var(--color-surface);width:2.25rem;height:2.25rem;color:var(--color-ink-soft);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;transition:all .2s;display:inline-flex}.icon-btn[data-astro-cid-nen7h5rs]:hover{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-surface-hover)}.sun-icon[data-astro-cid-nen7h5rs]{display:none}.moon-icon[data-astro-cid-nen7h5rs],html.dark .sun-icon[data-astro-cid-nen7h5rs]{display:block}html.dark .moon-icon[data-astro-cid-nen7h5rs]{display:none}.rss-link[data-astro-cid-nen7h5rs]{border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-ink-soft);border-radius:8px;align-items:center;gap:.4rem;padding:.42rem .8rem;font-size:.8rem;font-weight:600;transition:all .2s;display:inline-flex}.rss-link[data-astro-cid-nen7h5rs]:hover{border-color:var(--color-accent);color:var(--color-accent)}@media (width<=820px){.header-inner[data-astro-cid-nen7h5rs]{height:3.75rem}.brand-sub[data-astro-cid-nen7h5rs],.nav-sub[data-astro-cid-nen7h5rs]{display:none}.nav-menu[data-astro-cid-nen7h5rs]{gap:.15rem}.nav-menu[data-astro-cid-nen7h5rs] a{padding:.35rem .55rem;font-size:.82rem}.rss-link[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{display:none}.rss-link[data-astro-cid-nen7h5rs]{padding:.45rem}}@media (width<=480px){.brand-title[data-astro-cid-nen7h5rs]{font-size:.95rem}.nav-main[data-astro-cid-nen7h5rs]{font-size:.78rem}}