:root{--c-bg:#10173a;--c-bg-deep:#0b1130;--c-line:#ffffff24;--c-line-strong:#ffffff4d;--c-ink:#e6e9f4;--c-ink-muted:#a9b1cf;--c-ink-faint:#8891b5;--c-accent:#9fd0ff;--c-cta:#ff7e4c;--c-cta-hover:#ff6a30;--s1:#f6a9cd;--s2:#4fa38a;--s3:#f4ef74;--s4:#8e93a8;--s5:#f7a640;--s6:#d0443f;--s7:#8cc6ec;--font-heading:"Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;--font-body:"Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;--font-display:"Figtree", "Zen Kaku Gothic New", sans-serif;--font-serif-jp:"Shippori Mincho B1", serif;--space-section:clamp(2.75rem, 6vw, 4.5rem);--space-block:clamp(1.25rem, 3vw, 2rem);--gap:clamp(.75rem, 2vw, 1.5rem);--width-content:1120px;--radius:6px;--transition:.25s ease;--ease-out:cubic-bezier(.22, 1, .36, 1)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--c-bg)}body{background:var(--c-bg);min-height:100vh;color:var(--c-ink);font-family:var(--font-body);letter-spacing:.02em;font-feature-settings:"palt";margin:0;font-size:1rem;line-height:2;overflow-x:hidden}main{position:relative}img,svg{max-width:100%;height:auto;display:block}a{color:var(--c-ink);text-underline-offset:.25em;text-decoration-thickness:1px}a:hover{color:var(--c-accent)}h1,h2,h3{font-family:var(--font-heading);letter-spacing:.02em;color:#fff;margin:0 0 .6em;font-weight:800;line-height:1.4}h2{font-size:clamp(1.5rem,3.2vw,2.1rem)}h3{font-size:1.05rem}p{margin:0 0 1em}.container{width:min(100% - 3rem, var(--width-content));margin-inline:auto}.section{padding-block:var(--space-section);border-top:1px solid var(--c-line)}.section-grid{gap:.25rem var(--gap);grid-template-columns:1fr;display:grid}@media (width>=820px){.section-grid{grid-template-columns:140px 1fr}}.section-num{font-family:var(--font-display);letter-spacing:.2em;color:var(--c-accent);font-size:.95rem;font-weight:800;line-height:2}.section-head{margin-bottom:1rem}h2{margin-bottom:.4em}.lead{color:var(--c-ink-muted);max-width:42em}.btn{border-radius:var(--radius);background:var(--c-cta);color:var(--c-bg-deep);transition:background var(--transition), color var(--transition);align-items:center;gap:.6em;padding:.8em 1.4em;font-weight:800;text-decoration:none;display:inline-flex}.btn:hover{background:var(--c-cta-hover);color:var(--c-bg-deep)}.btn-ghost{color:#fff;border:1px solid var(--c-line-strong);background:0 0}.btn-ghost:hover{color:var(--c-accent);border-color:var(--c-accent);background:0 0}.note-list{margin:0;padding-left:1.2em}.note-list li+li{margin-top:.35em}.muted{color:var(--c-ink-muted)}.faint{color:var(--c-ink-faint)}.small{font-size:.85rem}.reveal{opacity:1}html.js .reveal{opacity:0;transition:opacity .7s var(--ease-out), transform .7s var(--ease-out);transform:translateY(12px)}html.js .reveal.is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transition:none;transform:none}}.notice[data-astro-cid-5laazbic]{background:var(--c-bg-deep);border-bottom:1px solid var(--c-line);color:var(--c-ink-muted);white-space:nowrap;text-overflow:ellipsis;padding:.5rem 0;font-size:.74rem;line-height:1.6;overflow:hidden}.notice[data-astro-cid-5laazbic] strong[data-astro-cid-5laazbic]{color:#fff}.footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--c-line);background:var(--c-bg-deep);color:var(--c-ink-muted);padding:var(--space-block) 0 1.5rem;margin-top:var(--space-block)}.footer-grid[data-astro-cid-jo6i4kqk]{gap:var(--gap);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid}.footer-name[data-astro-cid-jo6i4kqk]{color:#fff;margin-bottom:.3rem;font-weight:800}.footer-head[data-astro-cid-jo6i4kqk]{font-family:var(--font-display);letter-spacing:.2em;color:var(--c-accent);margin-bottom:.3rem;font-size:.8rem;font-weight:800}.footer-links[data-astro-cid-jo6i4kqk]{margin:0 0 .5rem;padding:0;list-style:none}.copyright[data-astro-cid-jo6i4kqk]{color:var(--c-ink-faint);border-top:1px solid var(--c-line);margin:2rem 0 0;padding-top:1rem;font-size:.78rem}:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px}.skip-link{z-index:100;color:var(--c-bg-deep);border-radius:var(--radius);background:#fff;padding:.5em 1em;font-weight:800;text-decoration:none;position:absolute;top:-3rem;left:1rem}.skip-link:focus{top:1rem}.sticky-cta{right:max(1rem, env(safe-area-inset-right));bottom:max(1rem, env(safe-area-inset-bottom));z-index:50;border-radius:var(--radius);background:var(--c-cta);color:var(--c-bg-deep);animation:cta-in .4s var(--ease-out) both;align-items:center;gap:.5em;padding:.75em 1.3em;font-size:.9rem;font-weight:800;text-decoration:none;display:inline-flex;position:fixed}.sticky-cta[hidden]{display:none}.sticky-cta:hover{background:var(--c-cta-hover);color:var(--c-bg-deep)}@keyframes cta-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}