:root{--primary-color:#4f46e5;--primary-hover:#4338ca;--bg-dark:#0f172a;--bg-darker:#020617;--text-main:#f8fafc;--text-muted:#94a3b8;--glass-bg:#1e293bb3;--glass-border:#ffffff1a;--font-family:"Inter", "Noto Sans JP", "Noto Sans SC", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;display:flex;position:relative;overflow-x:hidden}.background{z-index:-1;width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.blob{filter:blur(80px);opacity:.6;border-radius:50%;animation:20s ease-in-out infinite float;position:absolute}.blob-1{background:radial-gradient(circle,#4f46e5,#0000 70%);width:500px;height:500px;top:-100px;left:-100px}.blob-2{background:radial-gradient(circle,#ec4899,#0000 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#818cf8);color:#fff;cursor:pointer;border:none;border-radius:16px;justify-content:center;align-items:center;gap:1.5rem;width:100%;max-width:400px;padding:1.25rem 3rem;font-family:inherit;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden;box-shadow:0 10px 25px -5px #4f46e580}.btn-large:after{content:"";pointer-events:none;background:#ffffff1a;width:200%;height:200%;transition:transform .6s;position:absolute;top:-50%;left:-50%;transform:rotate(45deg)translate(-50%,-50%)}.btn-large:hover{transform:translateY(-5px)scale(1.02);box-shadow:0 20px 30px -10px #4f46e599}.btn-large:hover:after{transform:rotate(45deg)translate(50%,50%)}.btn-large:active{transform:translateY(2px)}.os-icon{font-size:2.5rem}.btn-text{text-align:left;flex-direction:column;align-items:flex-start;display:flex}.btn-title{font-size:1.5rem;font-weight:700}.btn-version{opacity:.8;font-size:.9rem}.btn-variant{opacity:.75;font-size:.85rem}.pulse{animation:2s infinite pulse-shadow}@keyframes pulse-shadow{0%{box-shadow:0 0 #4f46e5b3}70%{box-shadow:0 0 0 15px #4f46e500}to{box-shadow:0 0 #4f46e500}}.aux-info{text-align:center;color:var(--text-muted);margin-top:1.5rem;font-size:.95rem}.aux-info .desc{color:#cbd5e1;margin-top:.5rem}.variant-picker{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:1rem;display:flex}.variant-btn{border:1px solid var(--glass-border);color:var(--text-main);cursor:pointer;background:#ffffff0d;border-radius:999px;padding:.65rem 1rem;font-family:inherit;font-size:.9rem;transition:all .2s}.variant-btn:hover{background:#ffffff1f;border-color:#fff3}.variant-btn.is-active{color:#fff;background:#818cf833;border-color:#a5b4fcb3}.other-os{text-align:center;border-top:1px solid var(--glass-border);width:100%;padding-top:2rem}.other-os h3{color:var(--text-muted);margin-bottom:1rem;font-size:1rem;font-weight:500}.os-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.btn-small{border:1px solid var(--glass-border);color:var(--text-main);cursor:pointer;background:#ffffff0d;border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.btn-small .os-icon{font-size:1.25rem}.btn-small:hover{background:#ffffff1a;border-color:#fff3;transform:translateY(-2px)}.requirements{border-top:1px solid var(--glass-border);width:100%;margin-top:2rem;padding-top:2rem}.requirements h3{color:var(--text-muted);margin-bottom:.75rem;font-size:1rem;font-weight:500}.requirements-lead{color:#e2e8f0;margin-bottom:.9rem;font-size:.95rem}.requirements-list{gap:.7rem;list-style:none;display:grid}.requirements-list li{color:#cbd5e1;background:#ffffff0a;border:1px solid #ffffff14;border-radius:14px;padding:.85rem 1rem;font-size:.95rem;line-height:1.6}footer{gap:2rem;margin-top:4rem;display:flex}.footer-link{color:var(--text-muted);align-items:center;gap:.5rem;font-weight:500;text-decoration:none;transition:color 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