:root{--bg-deep: #080a10;--bg-surface: #11141d;--bg-elevated: #191d28;--bg-input: #0c0f16;--ink: #e4e6ed;--ink-muted: #8b90a6;--ink-faint: #484d5e;--accent: #6366f1;--accent-dim: color-mix(in oklab, var(--accent) 15%, var(--bg-surface));--accent-glow: color-mix(in oklab, var(--accent) 40%, transparent);--line: color-mix(in oklab, var(--ink) 8%, transparent);--radius: 14px;--shadow: 0 32px 100px -24px rgba(0,0,0,.8);--font-sans: "Inter", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Noto Sans JP", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;min-height:100vh;background:var(--bg-deep);color:var(--ink);font-family:var(--font-sans)}header{position:sticky;top:0;z-index:50;background:color-mix(in oklab,var(--bg-deep) 90%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{max-width:1100px;margin:0 auto;padding:.85rem 1.5rem;display:flex;align-items:center;justify-content:space-between}.logo{font-weight:700;font-size:1.12rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.logo span{color:var(--accent);margin-left:.3rem;font-size:.85rem;font-weight:400}.nav-links a{color:var(--ink-muted);text-decoration:none;font-size:.82rem;margin-left:1.4rem;transition:color .15s}.nav-links a:hover{color:var(--ink)}.hero{position:relative;padding:6rem 1.5rem 3rem;text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 55% 45% at 50% -8%,var(--accent-glow),transparent 72%),radial-gradient(ellipse 30% 30% at 85% 80%,rgba(99,102,241,.05),transparent 60%);pointer-events:none}.hero-inner{position:relative;z-index:2;max-width:700px;margin:0 auto}.hero h1{font-size:clamp(1.8rem,5vw,3rem);font-weight:700;line-height:1.12;letter-spacing:-.03em;margin-bottom:1rem}.hero h1 span{color:var(--accent)}.hero p{color:var(--ink-muted);font-size:clamp(.92rem,1.8vw,1.1rem);line-height:1.75;margin-bottom:2rem}.features{max-width:1100px;margin:0 auto;padding:4rem 1.5rem}.features h2{font-size:1.5rem;font-weight:600;margin-bottom:2rem;text-align:center}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.feature-card{background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;transition:border-color .2s}.feature-card:hover{border-color:var(--accent)}.feature-card h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;color:var(--accent)}.feature-card p{font-size:.9rem;color:var(--ink-muted);line-height:1.65}.viewer-section{max-width:1100px;margin:0 auto;padding:0 1.5rem 4rem}.viewer-frame{background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.viewer-frame iframe{width:100%;height:700px;border:none}footer{text-align:center;padding:2.5rem 1.5rem;color:var(--ink-faint);font-size:.78rem;border-top:1px solid var(--line)}footer a{color:var(--accent);text-decoration:none}footer a:hover{text-decoration:underline}.viewer-wrapper[data-astro-cid-jylxl256]{background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.viewer-header[data-astro-cid-jylxl256]{padding:1.5rem;border-bottom:1px solid var(--line)}.viewer-header[data-astro-cid-jylxl256] h3[data-astro-cid-jylxl256]{font-size:1.1rem;font-weight:600;margin-bottom:.3rem}.viewer-header[data-astro-cid-jylxl256] p[data-astro-cid-jylxl256]{font-size:.85rem;color:var(--ink-muted)}.viewer-container[data-astro-cid-jylxl256]{position:relative;width:100%;height:700px;background:var(--bg-deep)}.viewer-container[data-astro-cid-jylxl256] iframe[data-astro-cid-jylxl256]{width:100%;height:100%;border:none}.viewer-footer[data-astro-cid-jylxl256]{padding:.8rem 1.5rem;border-top:1px solid var(--line);text-align:center}.viewer-footer[data-astro-cid-jylxl256] p[data-astro-cid-jylxl256]{font-size:.8rem;color:var(--ink-muted)}.viewer-footer[data-astro-cid-jylxl256] a[data-astro-cid-jylxl256]{color:var(--accent);text-decoration:none}.viewer-footer[data-astro-cid-jylxl256] a[data-astro-cid-jylxl256]:hover{text-decoration:underline}