.site-footer[data-astro-cid-gcn2mc3v]{margin-top:auto;border-top:1px solid var(--color-border);background:var(--color-bg-soft);padding-block:var(--space-lg)}.site-footer__inner[data-astro-cid-gcn2mc3v]{display:grid;gap:var(--space-md)}.site-footer__brand[data-astro-cid-gcn2mc3v]{margin:0 0 var(--space-xs);font-weight:700;color:var(--color-navy)}.site-footer__note[data-astro-cid-gcn2mc3v]{margin:0;color:var(--color-text-muted);max-width:36rem;font-size:.9375rem}.site-footer__links[data-astro-cid-gcn2mc3v]{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.75rem 1.25rem}.site-footer__links[data-astro-cid-gcn2mc3v] a[data-astro-cid-gcn2mc3v]{color:var(--color-navy);text-decoration:none;font-weight:600;font-size:.9375rem}.site-footer__copy[data-astro-cid-gcn2mc3v]{margin:0;color:var(--color-text-muted);font-size:.875rem}.site-header[data-astro-cid-ctg3m53h]{border-bottom:1px solid var(--color-border);background:#fffffff5;position:sticky;top:0;z-index:50}.site-header__inner[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:var(--space-md);min-height:3.5rem;padding-block:.5rem}.site-header__brand[data-astro-cid-ctg3m53h]{display:flex;align-items:center;text-decoration:none;flex-shrink:0}.site-header__logo[data-astro-cid-ctg3m53h]{width:auto;max-width:7rem;max-height:2.25rem;object-fit:contain}.site-header__menu-btn[data-astro-cid-ctg3m53h]{margin-left:auto;border:1px solid var(--color-border);background:#fff;border-radius:var(--radius);min-height:2.5rem;padding:0 .75rem;font-weight:600;color:var(--color-navy)}.site-header__nav[data-astro-cid-ctg3m53h]{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--color-border);padding:var(--space-md) 1rem var(--space-lg);box-shadow:var(--shadow-soft)}.site-header__nav[data-astro-cid-ctg3m53h].is-open{display:block}.site-header__list[data-astro-cid-ctg3m53h]{list-style:none;margin:0 0 var(--space-md);padding:0}.site-header__list[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{display:block;padding:.5rem 0;text-decoration:none;color:var(--color-navy);font-weight:600}.site-header__list[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h][aria-current=page]{color:var(--color-teal)}.site-header__cta[data-astro-cid-ctg3m53h]{width:100%}@media(min-width:56rem){.site-header[data-astro-cid-ctg3m53h]{position:sticky}.site-header__menu-btn[data-astro-cid-ctg3m53h]{display:none}.site-header__nav[data-astro-cid-ctg3m53h]{display:flex;position:static;align-items:center;gap:var(--space-md);border:0;box-shadow:none;padding:0;margin-left:auto}.site-header__list[data-astro-cid-ctg3m53h]{display:flex;gap:var(--space-md);margin:0}.site-header__list[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{padding:.25rem 0;font-size:.9375rem}.site-header__cta[data-astro-cid-ctg3m53h]{width:auto;white-space:nowrap}}:root{--color-navy: #0f2744;--color-sky: #2e6f9e;--color-teal: #0c6b68;--color-bg: #ffffff;--color-bg-soft: #f4f7fa;--color-border: #d7e2ec;--color-text: #142433;--color-text-muted: #4a5f73;--color-focus: #2e6f9e;--font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;--space-xs: .5rem;--space-sm: .75rem;--space-md: 1.25rem;--space-lg: 2rem;--space-xl: 3rem;--radius: .75rem;--shadow-soft: 0 1px 2px rgba(15, 39, 68, .06);--content-width: 42rem;--page-width: 72rem}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.65;font-size:1rem}img{max-width:100%;height:auto}a{color:var(--color-sky)}a:hover{color:var(--color-teal)}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px}main{display:block}.page-shell{min-height:100dvh;display:flex;flex-direction:column}.page-main{flex:1}.container{width:min(100% - 2rem,var(--page-width));margin-inline:auto}.section{padding-block:var(--space-xl)}.section--soft{background:var(--color-bg-soft)}.lead{font-size:1.125rem;color:var(--color-text-muted);max-width:var(--content-width)}.heading-xl{font-size:clamp(1.75rem,4vw,2.25rem);line-height:1.25;color:var(--color-navy);margin:0 0 var(--space-md);font-weight:700}.heading-lg{font-size:1.5rem;color:var(--color-navy);margin:0 0 var(--space-sm)}.heading-md{font-size:1.125rem;color:var(--color-navy);margin:0 0 var(--space-xs)}.prose{max-width:var(--content-width)}.prose p{margin:0 0 var(--space-md)}.prose ul{margin:0 0 var(--space-md);padding-left:1.25rem}.prose li+li{margin-top:.35rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:2.75rem;padding:.65rem 1.25rem;border-radius:var(--radius);font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:1rem}.button--primary{background:var(--color-teal);color:#fff}.button--primary:hover{background:#0a5a57;color:#fff}.button--secondary{background:#fff;color:var(--color-navy);border-color:var(--color-border)}.button--secondary:hover{border-color:var(--color-sky)}.card-grid{display:grid;gap:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr))}.card{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-md);background:#fff;box-shadow:var(--shadow-soft)}.card h3{margin-top:0}.meta{color:var(--color-text-muted);font-size:.9375rem}.empty-state{border:1px dashed var(--color-border);border-radius:var(--radius);padding:var(--space-lg);color:var(--color-text-muted);background:var(--color-bg-soft)}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-navy);color:#fff;padding:.5rem 1rem;z-index:100}.skip-link:focus{left:.5rem;top:.5rem}