.site-footer[data-astro-cid-sz7xmlte]{background:#1e293b;color:#94a3b8;padding:2.5rem 0 1.5rem;margin-top:auto}.footer-container[data-astro-cid-sz7xmlte]{max-width:1200px;margin:0 auto;padding:0 1.5rem;text-align:center}.footer-disclaimer[data-astro-cid-sz7xmlte]{font-size:.78rem;margin-bottom:1.5rem;padding-bottom:1.25rem;border-bottom:1px solid #334155;display:flex;align-items:center;justify-content:center;gap:.4rem;flex-wrap:wrap}.footer-disclaimer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#60a5fa;text-decoration:underline}.footer-disclaimer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#93c5fd}.footer-nav-wrap[data-astro-cid-sz7xmlte]{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap;margin-bottom:1.5rem;padding-bottom:1.25rem;border-bottom:1px solid #334155}.footer-nav-group[data-astro-cid-sz7xmlte]{text-align:center}.footer-nav-label[data-astro-cid-sz7xmlte]{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#64748b;margin:0 0 .5rem}.footer-nav[data-astro-cid-sz7xmlte]{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;font-size:.82rem}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#94a3b8;text-decoration:none;transition:color .15s;white-space:nowrap}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#60a5fa}.footer-copy[data-astro-cid-sz7xmlte]{font-size:.75rem;margin:0;color:#64748b}:root{--color-primary-900: #0f172a;--color-primary-800: #1e293b;--color-primary-700: #334155;--color-primary-500: #64748b;--color-muted: #64748b;--color-border: #e2e8f0;--color-bg-soft: #f8fafc;--radius: .375rem;--shadow: 0 1px 3px rgba(0,0,0,.1)}*,*:before,*:after{box-sizing:border-box}.container-narrow{max-width:760px;margin:0 auto;padding:0 1.5rem}.prose h2{font-size:1.4rem;font-weight:700;margin:2rem 0 .75rem;color:var(--color-primary-900);border-bottom:1px solid var(--color-border);padding-bottom:.4rem}.prose h3{font-size:1.15rem;font-weight:700;margin:1.5rem 0 .5rem;color:var(--color-primary-800)}.prose p{margin:0 0 1.2rem;line-height:1.85;color:#374151}.prose ul,.prose ol{margin:0 0 1.2rem 1.5rem;line-height:1.8;color:#374151}.prose li{margin-bottom:.3rem}.prose blockquote{border-left:4px solid var(--color-border);padding:.5rem 1rem;margin:1.5rem 0;color:var(--color-muted);font-style:italic;background:var(--color-bg-soft)}.prose a{color:#2563eb;text-decoration:underline}.prose a:hover{color:#1d4ed8}.prose table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9rem}.prose th{background:#f1f5f9;font-weight:700;padding:.6rem .75rem;border:1px solid var(--color-border);text-align:left}.prose td{padding:.6rem .75rem;border:1px solid var(--color-border)}.prose tr:nth-child(2n) td{background:#f8fafc}.prose code{background:#f1f5f9;padding:.1em .35em;border-radius:.25rem;font-size:.87em}.prose pre{background:#000;color:#e2e8f0;padding:1rem 1.25rem 1.5rem;border-radius:0 0 var(--radius) var(--radius);overflow-x:auto;margin:0}.prose pre code{background:none;padding:0;font-size:.85rem}.badge{display:inline-block;padding:.2rem .65rem;border-radius:9999px;font-size:.78rem;font-weight:700;background:#dbeafe;color:#1d4ed8}:root{--header-height: 70px;--primary-blue: #1a365d;--accent-blue: #3182ce}body{margin:0;display:flex;flex-direction:column;min-height:100vh;font-family:Inter,Noto Sans JP,sans-serif}main{flex:1}.site-header{height:var(--header-height);background:#0f172a;box-shadow:0 2px 8px #0000004d;position:sticky;top:0;z-index:1000;display:flex;align-items:center}.header-container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center}.logo{text-decoration:none;font-size:1.1rem;font-weight:800;color:#fff;white-space:nowrap;flex-shrink:0;transition:color .15s}.logo:hover{color:#93c5fd}.logo-dot{color:#60a5fa}.cat-nav{display:none;align-items:center;gap:.15rem;flex:1;padding:0 .75rem}@media (min-width: 900px){.cat-nav{display:flex}}.cat-nav-link{padding:.35rem .6rem;border-radius:6px;text-decoration:none;font-size:.82rem;font-weight:600;color:#fffc;white-space:nowrap;transition:background .15s,color .15s}.cat-nav-link:hover{background:#ffffff1f;color:#fff}.cat-nav-link--highlight{background:#3b82f6;color:#fff;border:none}.cat-nav-link--highlight:hover{background:#2563eb;color:#fff}.menu-wrapper{position:relative;display:flex;align-items:center;gap:.5rem;flex-shrink:0}.page-links{display:none;align-items:center;gap:.1rem}@media (min-width: 900px){.page-links{display:flex}}.page-link{padding:.3rem .5rem;text-decoration:none;font-size:.78rem;color:#ffffffa6;font-weight:500;border-radius:4px;white-space:nowrap;transition:color .15s,background .15s}.page-link:hover{color:#fff;background:#ffffff1a}.menu-button{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:8px;cursor:pointer;color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s}@media (min-width: 900px){.menu-button{display:none}}.menu-button:hover{background:#fff3}.hidden{display:none}.nav-menu{position:absolute;top:calc(100% + 12px);right:0;background:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 10px 15px -3px #0000001a;min-width:240px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .2s ease;z-index:1001}.nav-menu.is-active{opacity:1;visibility:visible;transform:translateY(0)}.nav-section-label{padding:8px 16px 4px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#94a3b8}.nav-divider{height:1px;background:#e2e8f0;margin:4px 0}.nav-list{list-style:none;padding:4px 0;margin:0}.nav-link{display:block;padding:10px 20px;text-decoration:none;color:#2d3748;font-size:.9rem;font-weight:500}.nav-link:hover{background-color:#f7fafc;color:var(--accent-blue)}