:root{--bg:#f6f3ff;--bg-glow:#e4dafe;--card:#ffffffb8;--border:#7c4dff24;--text:#1b1530;--muted:#6b6485;--primary:#7c4dff;--primary-strong:#5b2ee6;--menu:#ffffffeb;--hover:#7c4dff1a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f0b1a;--bg-glow:#2a1f4d;--card:#241c3eb8;--border:#a78bfa2e;--text:#f1edff;--muted:#a49cc2;--primary:#a78bfa;--primary-strong:#c4b5fd;--menu:#1e1734f0;--hover:#a78bfa24}}*{box-sizing:border-box}body{background:radial-gradient(900px 500px at 80% -10%, var(--bg-glow), transparent), var(--bg);min-height:100vh;color:var(--text);flex-direction:column;margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,PingFang SC,Noto Sans JP,Noto Sans SC,sans-serif;display:flex}a{color:var(--primary-strong);text-decoration:none}a:hover{text-decoration:underline}.header,.footer,.page{width:100%;max-width:820px;margin:0 auto;padding:0 16px}.header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:20px;padding-bottom:20px;display:flex}.brand{color:var(--text);align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.brand:hover{text-decoration:none}.logo{color:#fff;background:linear-gradient(135deg,#8b5cf6,#6d28d9);border-radius:10px;place-items:center;width:32px;height:32px;display:grid}.nav{flex-wrap:wrap;align-items:center;gap:16px;font-size:15px;display:flex}.lang{position:relative}.lang-button{font:inherit;color:var(--text);background:var(--card);border:1px solid var(--border);cursor:pointer;-webkit-backdrop-filter:blur(20px);border-radius:999px;align-items:center;gap:8px;padding:8px 14px;font-weight:500;transition:border-color .15s,box-shadow .15s;display:inline-flex;box-shadow:0 4px 16px #5b2ee614}.lang-button:hover,.lang-button[aria-expanded=true]{border-color:var(--primary);box-shadow:0 6px 20px #5b2ee62e}.lang-button svg{color:var(--primary-strong)}.lang-button .chevron{transition:transform .15s}.lang-button[aria-expanded=true] .chevron{transform:rotate(180deg)}.lang-menu{z-index:10;background:var(--menu);border:1px solid var(--border);-webkit-backdrop-filter:blur(24px);border-radius:18px;min-width:180px;margin:0;padding:6px;list-style:none;animation:.14s ease-out menu-in;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 16px 40px #1b15302e}.lang-menu a{color:var(--text);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;display:flex}.lang-menu a:hover{background:var(--hover);text-decoration:none}.lang-menu [aria-selected=true] a{color:var(--primary-strong);font-weight:600}@keyframes menu-in{0%{opacity:0;transform:translateY(-4px)}}.page{flex:1;padding-bottom:48px}.hero{padding:48px 0 32px}.hero h1{margin:0 0 12px;font-size:clamp(32px,6vw,48px);line-height:1.15}.tagline{color:var(--muted);margin:0 0 20px;font-size:20px}.badge{background:var(--primary);color:#fff;border-radius:999px;margin:0;padding:8px 16px;font-weight:600;display:inline-block}.features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.card,.doc section{background:var(--card);border:1px solid var(--border);-webkit-backdrop-filter:blur(20px);border-radius:22px}.card{padding:20px}.card h2{margin:0 0 6px;font-size:18px}.card p{color:var(--muted);margin:0}.doc h1{margin:24px 0 4px;font-size:34px}.doc section{margin:16px 0;padding:4px 20px 12px}.doc h2{margin:14px 0 6px;font-size:19px}.doc ul{padding-left:20px}.doc li{margin:6px 0}.muted{color:var(--muted);margin-top:0}.note{color:var(--muted);border-left:3px solid var(--primary);padding-left:10px;font-size:14px}.lang-list{padding:48px 0;font-size:20px;list-style:none}.footer{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding-top:24px;padding-bottom:32px;font-size:14px;display:flex}.footer-links{flex-wrap:wrap;gap:16px;display:flex}