.site-header[data-astro-cid-nen7h5rs]{z-index:100;position:relative}.header[data-astro-cid-nen7h5rs]{z-index:101;height:var(--header-h);border-bottom:1px solid var(--border);background:var(--header-bg);position:fixed;top:0;left:0;right:0}.header[data-astro-cid-nen7h5rs]:before{content:"";z-index:-1;backdrop-filter:blur(10px);pointer-events:none;position:absolute;inset:0}.header__inner[data-astro-cid-nen7h5rs]{width:100%;max-width:var(--max-wide);justify-content:space-between;align-items:center;gap:1rem;height:100%;margin-inline:auto;padding-inline:1rem;display:flex}.logo[data-astro-cid-nen7h5rs]{color:var(--text);white-space:nowrap;flex-shrink:0;align-items:center;font-size:.88rem;font-weight:700;line-height:1.25;text-decoration:none;display:flex}.logo[data-astro-cid-nen7h5rs]:hover{color:var(--text)}.nav[data-astro-cid-nen7h5rs]{flex-shrink:0;align-items:center;margin-left:auto;display:flex}.nav__desktop[data-astro-cid-nen7h5rs]{align-items:center;gap:.15rem;display:none}@media (width>=960px){.nav__desktop[data-astro-cid-nen7h5rs]{display:flex}.nav__burger[data-astro-cid-nen7h5rs]{display:none}}.nav__link[data-astro-cid-nen7h5rs]{color:var(--text-muted);white-space:nowrap;border-radius:6px;padding:.4rem .55rem;font-size:.82rem}.nav__link[data-astro-cid-nen7h5rs]:hover{color:var(--text);background:var(--bg-card)}.nav__cta[data-astro-cid-nen7h5rs]{background:var(--accent);white-space:nowrap;border-radius:6px;margin-left:.4rem;padding:.4rem .8rem;font-size:.82rem;font-weight:600;color:var(--on-accent)!important}.nav__burger[data-astro-cid-nen7h5rs]{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:.5rem;display:flex}.nav__burger[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{background:var(--text);width:18px;height:2px}.nav__mobile[data-astro-cid-nen7h5rs]{top:var(--header-h);z-index:100;-webkit-overflow-scrolling:touch;min-height:calc(100vh - var(--header-h));min-height:calc(100dvh - var(--header-h));background:var(--bg);border-top:1px solid var(--border);padding:1rem 1.2rem 2rem;position:fixed;bottom:0;left:0;right:0;overflow-y:auto}.nav__mobile[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--border);color:var(--text-muted);align-items:baseline;gap:.5rem;padding:.7rem 0;display:flex}.nav__role[data-astro-cid-nen7h5rs]{min-width:2.4rem;color:var(--text-dim);font-size:.68rem;font-weight:700}.footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--border);background:var(--bg-elevated);margin-top:3.5rem;padding:2.5rem 0 1.75rem}.footer__grid[data-astro-cid-jo6i4kqk]{gap:1.75rem;display:grid}@media (width>=768px){.footer__grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1.6fr 1fr}}.footer__logo[data-astro-cid-jo6i4kqk]{color:var(--text);margin:0 0 .45rem;font-weight:700}.footer__desc[data-astro-cid-jo6i4kqk]{color:var(--text-dim);margin:0 0 .85rem;font-size:.88rem;line-height:1.6}.footer__bio[data-astro-cid-jo6i4kqk]{color:var(--text-dim);margin:0 0 .85rem;font-size:.82rem;line-height:1.6}.footer__official[data-astro-cid-jo6i4kqk]{margin:0;font-size:.85rem}.footer__heading[data-astro-cid-jo6i4kqk]{letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin:0 0 .65rem;font-size:.72rem;font-weight:700}.footer__col[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{margin:0;padding:0;list-style:none}.footer__col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--text-muted);font-size:.85rem}.footer__bottom[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--border);margin-top:2rem;padding-top:1.25rem}.footer__bottom[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{color:var(--text-dim);margin:0 0 .65rem;font-size:.78rem;line-height:1.6}.footer__copy[data-astro-cid-jo6i4kqk]{margin-bottom:0!important}:root{color-scheme:light dark;--bg:#f3f6fb;--bg-elevated:#fff;--bg-card:#fff;--border:#d4deeb;--text:#0f1724;--text-muted:#4a5c73;--text-dim:#718399;--accent:#0066d6;--accent-hover:#0052ad;--accent-dim:#0066d61a;--accent-border:#0066d659;--on-accent:#fff;--link-hover:#0052ad;--code:#0a4fad;--warn:#b86e00;--warn-dim:#b86e001a;--danger:#d12b2b;--danger-dim:#d12b2b1a;--header-bg:color-mix(in srgb, var(--bg) 88%, transparent);--font:"Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Segoe UI", sans-serif;--mono:"JetBrains Mono", "SF Mono", "Consolas", monospace;--radius:10px;--max:720px;--max-wide:1040px;--header-h:60px}@media (prefers-color-scheme:dark){:root{--bg:#0b0f19;--bg-elevated:#101726;--bg-card:#131b2b;--border:#1e2a3d;--text:#e8eef8;--text-muted:#9aabc4;--text-dim:#677891;--accent:#007bff;--accent-hover:#1a8cff;--accent-dim:#007bff1f;--accent-border:#007bff59;--on-accent:#fff;--link-hover:#4da3ff;--code:#8ec5ff;--warn:#f0a500;--warn-dim:#f0a5001f;--danger:#ff5c5c;--danger-dim:#ff5c5c1f;--header-bg:color-mix(in srgb, var(--bg) 92%, transparent)}}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;line-break:strict;overflow-wrap:anywhere}body{min-height:100vh;font-family:var(--font);color:var(--text);background:var(--bg);word-break:normal;text-wrap:pretty;margin:0;font-size:16px;line-height:1.75}body.menu-open{overflow:hidden}a{color:var(--accent);text-decoration:none}a:hover{color:var(--link-hover)}h1,h2,h3{letter-spacing:-.02em;color:var(--text);font-weight:650;line-height:1.4}h1{margin:0 0 1rem;font-size:clamp(1.45rem,3.5vw,1.9rem)}h2{margin:2.25rem 0 .85rem;font-size:clamp(1.2rem,2.5vw,1.45rem)}h3{margin:1.5rem 0 .6rem;font-size:1.05rem}p{color:var(--text-muted);margin:0 0 1.05rem}ul,ol{color:var(--text-muted);margin:0 0 1.15rem;padding-left:1.25rem}li{margin-bottom:.4rem}code{font-family:var(--mono);background:var(--bg-card);border:1px solid var(--border);color:var(--code);border-radius:4px;padding:.1em .35em;font-size:.86em}.container{width:min(100% - 2rem, var(--max-wide));margin-inline:auto}.container-narrow{width:min(100% - 2rem, var(--max));margin-inline:auto}.site-main{padding-top:var(--header-h);min-height:calc(100vh - 180px)}.btn{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:.4rem;padding:.85rem 1.2rem;font-family:inherit;font-size:.92rem;font-weight:600;line-height:1.3;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);color:var(--on-accent)}.btn-secondary{color:var(--text);border-color:var(--border);background:0 0}.btn-secondary:hover{border-color:var(--text-dim);color:var(--text)}.btn-lg{width:100%;padding:1rem 1.35rem}@media (width>=640px){.btn-lg{width:auto;min-width:260px}}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.card-grid{gap:.85rem;display:grid}@media (width>=768px){.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}.card-grid.cols-2{grid-template-columns:repeat(2,1fr)}}.badge{background:var(--bg-elevated);color:var(--text-dim);border:1px solid var(--border);border-radius:999px;padding:.15rem .5rem;font-size:.7rem;font-weight:700;display:inline-flex}.callout{border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-elevated);margin:1.25rem 0;padding:1rem 1.1rem}.callout--warn{border-left:3px solid var(--warn);background:var(--warn-dim)}.callout--danger{border-left:3px solid var(--danger);background:var(--danger-dim)}.callout--tip{border-left:3px solid var(--accent);background:var(--accent-dim)}.callout__title{color:var(--text);margin-bottom:.3rem;font-size:.88rem;font-weight:650;display:block}.callout p{margin:0;font-size:.92rem}.callout p+p{margin-top:.45rem}.steps{counter-reset:step;margin:1.25rem 0;padding:0;list-style:none}.steps li{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);margin-bottom:.65rem;padding:1rem 1rem 1rem 3.2rem;position:relative}.steps li:before{counter-increment:step;content:counter(step);width:1.5rem;height:1.5rem;font-size:.75rem;font-weight:700;font-family:var(--mono);color:var(--on-accent);background:var(--accent);border-radius:6px;justify-content:center;align-items:center;display:flex;position:absolute;top:1rem;left:.9rem}.steps li strong{color:var(--text);margin-bottom:.2rem;display:block}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);margin:1.25rem 0;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--border);padding:.7rem .9rem}th{background:var(--bg-elevated);color:var(--text);font-weight:600}td{color:var(--text-muted)}tr:last-child td{border-bottom:none}.section-label{font-family:var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:.55rem;font-size:.72rem;font-weight:700;display:block}.lead{color:var(--text-muted);max-width:42em;margin-bottom:1.25rem;font-size:1.05rem}.cta-block{background:var(--bg-card);border:1px solid var(--accent-border);border-radius:var(--radius);text-align:left;margin:2rem 0;padding:1.35rem}.cta-block h3{margin:0 0 .45rem}.cta-block .btn-row{flex-wrap:wrap;gap:.65rem;margin-top:.85rem;display:flex}.internal-cta{border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg-elevated);color:var(--text-muted);margin:1.5rem 0;padding:1rem 1.1rem;font-size:.92rem}.internal-cta strong{color:var(--text)}