:root{--c-sky-top:#0b1240;--c-sky-mid:#16215c;--c-sky-bottom:#1d2a6e;--c-bg:#0d1547;--c-surface:#ffffff0f;--c-surface-strong:#ffffff1a;--c-border:#ffffff24;--c-ink:#f4f6ff;--c-ink-muted:#b7c0e6;--c-ink-faint:#8b95c8;--c-accent:#9fd0ff;--c-accent-strong:#fff;--s1:#f6a9cd;--s2:#4fa38a;--s3:#f4ef74;--s4:#8e93a8;--s5:#f7a640;--s6:#d0443f;--s7:#8cc6ec;--font-serif-jp:"Shippori Mincho B1", "Noto Serif JP", serif;--font-serif-en:"Cormorant Garamond", "Times New Roman", serif;--font-heading:"Zen Kaku Gothic New", "Noto Sans JP", sans-serif;--font-body:"Noto Sans JP", sans-serif;--font-display:"Figtree", "Zen Kaku Gothic New", sans-serif;--space-section:clamp(4.5rem, 10vw, 8rem);--space-block:clamp(1.75rem, 4vw, 3rem);--gap:clamp(1rem, 2.5vw, 1.75rem);--width-content:1080px;--radius:12px;--radius-lg:22px;--shadow-card:0 20px 60px #03061e73;--glow:0 0 40px #9fd0ff40;--transition:.3s 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:radial-gradient(90% 60% at 50% -10%, #7896ff2e, transparent 70%), linear-gradient(180deg, var(--c-sky-top) 0%, var(--c-sky-mid) 45%, var(--c-sky-bottom) 100%);min-height:100vh;color:var(--c-ink);font-family:var(--font-body);font-feature-settings:"palt";background-attachment:fixed;margin:0;font-size:1rem;line-height:1.9;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;opacity:.35;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");position:fixed;inset:0}main{z-index:1;position:relative}img,svg{max-width:100%;height:auto;display:block}a{color:var(--c-accent);text-underline-offset:.22em;text-decoration-thickness:1px}a:hover{color:#fff}h1,h2,h3{font-family:var(--font-heading);letter-spacing:.02em;color:#fff;margin:0 0 .6em;line-height:1.35}h2{font-family:var(--font-serif-jp);letter-spacing:.06em;font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700}h3{font-size:1.1rem}p{margin:0 0 1em}.container{width:min(100% - 2.5rem, var(--width-content));margin-inline:auto}.section{padding-block:var(--space-section);position:relative}.section-head{margin-bottom:var(--space-block)}.eyebrow{font-family:var(--font-display);letter-spacing:.24em;text-transform:uppercase;color:var(--c-accent);align-items:center;gap:.6em;margin:0 0 .6rem;font-size:.78rem;font-weight:700;display:flex}.eyebrow:before{content:"";opacity:.7;background:currentColor;width:2.2em;height:1px}.eyebrow-num{font-family:var(--font-serif-en);letter-spacing:.1em;color:#fff;font-size:1.1rem}.lead{color:var(--c-ink-muted);max-width:44em;font-size:1.05rem}.btn{color:var(--c-sky-top);box-shadow:var(--glow);transition:transform var(--transition), box-shadow var(--transition), background var(--transition);background:#fff;border-radius:999px;justify-content:center;align-items:center;gap:.5em;padding:.95em 1.9em;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover{background:var(--c-accent);color:var(--c-sky-top);transform:translateY(-2px);box-shadow:0 0 60px #9fd0ff73}.btn-ghost{color:#fff;border:1px solid var(--c-border);box-shadow:none;background:0 0}.btn-ghost:hover{background:var(--c-surface-strong);color:#fff;box-shadow:none}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(14px)}.note-list{margin:0;padding-left:1.2em}.note-list li+li{margin-top:.45em}.muted{color:var(--c-ink-muted)}.faint{color:var(--c-ink-faint)}.small{font-size:.875rem}.reveal{--i:0;opacity:1;transform:none}html.js .reveal{opacity:0;transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);transition-delay:calc(var(--i) * 90ms);transform:translateY(22px)}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]{z-index:2;border-bottom:1px solid var(--c-border);color:var(--c-ink-muted);backdrop-filter:blur(8px);background:#03061ebf;padding:.5rem 0;font-size:.78rem;line-height:1.6;position:relative}.notice[data-astro-cid-5laazbic] strong[data-astro-cid-5laazbic]{color:#fff}.sparkle[data-astro-cid-jtkeev3w]{filter:drop-shadow(0 0 6px var(--sparkle-color));flex:none}@media (prefers-reduced-motion:no-preference){.sparkle[data-astro-cid-jtkeev3w]{animation:3.6s ease-in-out infinite twinkle;animation-delay:var(--d);transform-origin:50%}@keyframes twinkle{0%,to{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.18)rotate(8deg)}}}.footer[data-astro-cid-jo6i4kqk]{z-index:1;border-top:1px solid var(--c-border);color:var(--c-ink-muted);padding:var(--space-block) 0 2rem;margin-top:var(--space-section);background:#03061e99;position:relative}.footer[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#fff}.footer-sparkles[data-astro-cid-jo6i4kqk]{margin-bottom:var(--space-block);justify-content:center;gap:1.2rem;display:flex}.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]{font-family:var(--font-serif-jp);color:#fff;margin-bottom:.4rem;font-size:1.15rem;font-weight:700}.footer-head[data-astro-cid-jo6i4kqk]{color:#fff;margin-bottom:.4rem;font-weight:700}.footer-links[data-astro-cid-jo6i4kqk]{margin:0 0 .6rem;padding:0;list-style:none}.copyright[data-astro-cid-jo6i4kqk]{color:var(--c-ink-faint);border-top:1px solid var(--c-border);margin:2rem 0 0;padding-top:1rem;font-size:.8rem}.sticky-cta{left:50%;bottom:max(1rem, env(safe-area-inset-bottom));z-index:50;color:var(--c-sky-top);box-shadow:0 10px 30px #03061e80, var(--glow);animation:cta-in .5s var(--ease-out) both;background:#fff;border-radius:999px;align-items:center;gap:.5em;padding:.8em 1.5em;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex;position:fixed;transform:translate(-50%)}.sticky-cta[hidden]{display:none}.sticky-cta:hover{background:var(--c-accent);color:var(--c-sky-top)}@keyframes cta-in{0%{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%)}}