:root{--color-bg:#fff;--color-bg-subtle:#f6f7f9;--color-surface:#fff;--color-surface-raised:#fff;--color-border:#e2e5ea;--color-border-strong:#cbd0d8;--color-text:#14181f;--color-text-muted:#565d6b;--color-text-faint:#848c99;--color-accent:#2f6fed;--color-accent-hover:#2559c7;--color-accent-contrast:#fff;--color-accent-subtle:#eaf0fe;--color-success:#1a8a5f;--color-success-subtle:#e6f6ef;--color-danger:#d0402a;--color-danger-subtle:#fbeae7;--color-focus-ring:#2f6fed;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--space-9:6rem;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:999px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.375rem;--text-2xl:1.75rem;--text-3xl:2.25rem;--text-4xl:2.875rem;--leading-tight:1.2;--leading-normal:1.6;--shadow-sm:0 1px 2px #14181f0f;--shadow-md:0 4px 16px #14181f14;--shadow-lg:0 12px 32px #14181f1f;--container-width:72rem;--transition-fast:.12s ease;--transition-normal:.2s ease}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg:#0e1116;--color-bg-subtle:#151922;--color-surface:#171b23;--color-surface-raised:#1d222c;--color-border:#2b3140;--color-border-strong:#3a4152;--color-text:#eef1f6;--color-text-muted:#a7afbf;--color-text-faint:#757e90;--color-accent:#6f9bff;--color-accent-hover:#8bb0ff;--color-accent-contrast:#0e1116;--color-accent-subtle:#1c2a4a;--color-success:#3fc890;--color-success-subtle:#133327;--color-danger:#ef6a54;--color-danger-subtle:#3a1d18;--color-focus-ring:#6f9bff;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 16px #00000059;--shadow-lg:0 12px 32px #00000073}}:root[data-theme=dark]{--color-bg:#0e1116;--color-bg-subtle:#151922;--color-surface:#171b23;--color-surface-raised:#1d222c;--color-border:#2b3140;--color-border-strong:#3a4152;--color-text:#eef1f6;--color-text-muted:#a7afbf;--color-text-faint:#757e90;--color-accent:#6f9bff;--color-accent-hover:#8bb0ff;--color-accent-contrast:#0e1116;--color-accent-subtle:#1c2a4a;--color-success:#3fc890;--color-success-subtle:#133327;--color-danger:#ef6a54;--color-danger-subtle:#3a1d18;--color-focus-ring:#6f9bff;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 16px #00000059;--shadow-lg:0 12px 32px #00000073}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}img,svg{max-width:100%;display:block}a{color:inherit}button{font:inherit;color:inherit}h1,h2,h3,h4,p,figure{margin:0}ul,ol{margin:0;padding:0;list-style:none}:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.container{width:100%;max-width:var(--container-width);padding-inline:var(--space-5);margin-inline:auto}@media (width<=640px){.container{padding-inline:var(--space-4)}}.section{padding-block:var(--space-8)}@media 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border-color var(--transition-fast), color var(--transition-fast);white-space:nowrap;border:1px solid #0000;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--color-accent);color:var(--color-accent-contrast)}.btn--primary:hover:not(:disabled){background:var(--color-accent-hover)}.btn--secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border-strong)}.btn--secondary:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}.btn--ghost{color:var(--color-text-muted);background:0 0}.btn--ghost:hover:not(:disabled){background:var(--color-bg-subtle);color:var(--color-text)}.btn--sm{height:2.25rem;padding-inline:var(--space-4);font-size:var(--text-sm)}.btn--block{width:100%}.icon-btn{border-radius:var(--radius-full);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;width:2.25rem;height:2.25rem;color:var(--color-text-muted);transition:background-color var(--transition-fast), color var(--transition-fast);justify-content:center;align-items:center;display:inline-flex}.icon-btn:hover{background:var(--color-bg-subtle);color:var(--color-text)}.icon-btn svg{width:1.1rem;height:1.1rem}.field{gap:var(--space-2);flex-direction:column;display:flex}.field-label{font-size:var(--text-sm);color:var(--color-text);font-weight:600}.field-hint{font-size:var(--text-xs);color:var(--color-text-faint)}.input,.select{height:2.75rem;padding-inline:var(--space-4);border-radius:var(--radius-md);border:1px solid var(--color-border-strong);background:var(--color-surface);color:var(--color-text);font-size:var(--text-base);width:100%;transition:border-color var(--transition-fast)}.input:focus,.select:focus{border-color:var(--color-accent)}.input--number{text-align:right;font-variant-numeric:tabular-nums}.radio-group{gap:var(--space-2);flex-wrap:wrap;display:flex}.radio-option{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);border:1px solid var(--color-border-strong);background:var(--color-surface);cursor:pointer;font-size:var(--text-sm);transition:border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);display:inline-flex}.radio-option input{opacity:0;pointer-events:none;position:absolute}.radio-option:has(input:checked){border-color:var(--color-accent);background:var(--color-accent-subtle);color:var(--color-accent)}.radio-option:has(input:focus-visible){outline:2px solid var(--color-focus-ring);outline-offset:2px}.badge{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-size:var(--text-xs);background:var(--color-bg-subtle);color:var(--color-text-muted);border:1px solid var(--color-border);font-weight:600;display:inline-flex}.badge--accent{background:var(--color-accent-subtle);color:var(--color-accent);border-color:#0000}.badge--success{background:var(--color-success-subtle);color:var(--color-success);border-color:#0000}.stat{gap:var(--space-1);flex-direction:column;display:flex}.stat-value{font-size:var(--text-2xl);font-weight:700;line-height:var(--leading-tight);font-variant-numeric:tabular-nums}.stat-label{font-size:var(--text-sm);color:var(--color-text-muted)}.stat-row{gap:var(--space-6);flex-wrap:wrap;display:flex}.prose{max-width:42rem;color:var(--color-text);font-size:var(--text-base);line-height:var(--leading-normal)}.prose h2{font-size:var(--text-xl);margin-top:var(--space-7);margin-bottom:var(--space-3);font-weight:700;line-height:var(--leading-tight)}.prose h3{font-size:var(--text-lg);margin-top:var(--space-6);margin-bottom:var(--space-2);font-weight:700;line-height:var(--leading-tight)}.prose p{margin-bottom:var(--space-4);color:var(--color-text-muted)}.prose ul,.prose ol{margin-bottom:var(--space-4);padding-left:var(--space-5);color:var(--color-text-muted)}.prose ul{list-style:outside}.prose ol{list-style:decimal}.prose li{margin-bottom:var(--space-2)}.prose a{color:var(--color-accent);text-underline-offset:2px;text-decoration:underline}.prose code{font-family:var(--font-mono);background:var(--color-bg-subtle);border-radius:var(--radius-sm);padding:.15em .4em;font-size:.9em}.prose strong{color:var(--color-text)}.table-wrap{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:var(--text-sm)}.table th,.table td{text-align:left;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border);white-space:nowrap}.table th{background:var(--color-bg-subtle);color:var(--color-text-muted);font-weight:600}.table tr:last-child td{border-bottom:none}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.text-muted{color:var(--color-text-muted)}.text-faint{color:var(--color-text-faint)}.text-center{text-align:center}.site-header[data-astro-cid-nen7h5rs]{z-index:40;background:color-mix(in srgb, var(--color-bg) 92%, transparent);backdrop-filter:blur(8px);border-bottom:1px solid 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summary[data-astro-cid-nen7h5rs]{cursor:pointer;font-size:var(--text-sm);color:var(--color-text-muted);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);border:1px solid var(--color-border);white-space:nowrap;font-weight:600;list-style:none}.lang-switch[data-astro-cid-nen7h5rs] summary[data-astro-cid-nen7h5rs]::-webkit-details-marker{display:none}.lang-switch[data-astro-cid-nen7h5rs] summary[data-astro-cid-nen7h5rs]:hover,.lang-switch[data-astro-cid-nen7h5rs][open] summary[data-astro-cid-nen7h5rs]{color:var(--color-text);border-color:var(--color-border-strong)}.lang-switch-menu[data-astro-cid-nen7h5rs]{top:calc(100% + var(--space-2));z-index:50;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:9rem;padding:var(--space-2);gap:var(--space-1);flex-direction:column;display:flex;position:absolute;right:0;box-shadow:0 8px 24px #00000026}.lang-switch-menu[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm,.25rem);font-size:var(--text-sm);color:var(--color-text-muted);font-weight:600;text-decoration:none;display:block}.lang-switch-menu[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--color-text);background:var(--color-bg-subtle)}.lang-switch-menu[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs].is-current{color:var(--color-accent)}@media (width<=360px){.lang-switch-menu[data-astro-cid-nen7h5rs]{min-width:8rem;left:0;right:auto}}#theme-toggle[data-astro-cid-nen7h5rs] .icon-moon[data-astro-cid-nen7h5rs],:root[data-theme=dark] #theme-toggle[data-astro-cid-nen7h5rs] .icon-sun[data-astro-cid-nen7h5rs]{display:none}:root[data-theme=dark] #theme-toggle[data-astro-cid-nen7h5rs] .icon-moon[data-astro-cid-nen7h5rs]{display:block}@media (width<=640px){.site-nav[data-astro-cid-nen7h5rs]{gap:var(--space-3);margin-left:0}.brand-name[data-astro-cid-nen7h5rs]{display:none}}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--color-border);margin-top:var(--space-8);padding-block:var(--space-7) var(--space-5);background:var(--color-bg-subtle)}.footer-inner[data-astro-cid-jo6i4kqk]{gap:var(--space-6);padding-bottom:var(--space-6);grid-template-columns:2fr 1fr 1fr 1fr;display:grid}@media (width<=640px){.footer-inner[data-astro-cid-jo6i4kqk]{gap:var(--space-5);grid-template-columns:1fr}}.footer-brand-name[data-astro-cid-jo6i4kqk]{font-weight:700;font-size:var(--text-lg)}.footer-brand[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{margin-top:var(--space-2);max-width:24rem}.footer-heading[data-astro-cid-jo6i4kqk]{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-3);font-weight:700}.footer-col[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{gap:var(--space-2);flex-direction:column;display:flex}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--color-text-muted);font-size:var(--text-sm);text-decoration:none}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--color-text)}.footer-bottom[data-astro-cid-jo6i4kqk]{justify-content:space-between;gap:var(--space-2);padding-top:var(--space-5);border-top:1px solid var(--color-border);font-size:var(--text-xs);flex-wrap:wrap;display:flex}.skip-link{top:-3rem;left:var(--space-4);z-index:100;background:var(--color-accent);color:var(--color-accent-contrast);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);transition:top var(--transition-fast);position:fixed}.skip-link:focus{top:var(--space-4);clip:auto;white-space:normal;width:auto;height:auto;overflow:visible}