@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;900&family=JetBrains+Mono:wght@400;500&display=swap";
:root{--navy-950:#0a0e1a;--navy-900:#0d1321;--navy-800:#131b2e;--navy-700:#1a2540;--navy-600:#243355;--navy-500:#2e4270;--navy-400:#4a6491;--navy-300:#7a94b8;--navy-200:#b0c4de;--navy-100:#dce6f0;--navy-50:#f0f4f8;--orange-500:#e8650a;--orange-400:#f57d20;--orange-300:#ff9a44;--orange-600:#c85400;--white:#fff;--gray-100:#f7f8fa;--gray-200:#edf0f4;--gray-300:#d8dde6;--gray-400:#9aa5b4;--gray-500:#6b7785;--green-500:#22c55e;--green-400:#4ade80;--text-primary:#1a1f2e;--text-secondary:#4a5568;--success:#22c55e;--danger:#ef4444;--warning:#f59e0b;--font-sans:"Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", "Consolas", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}body{font-family:var(--font-sans);color:var(--text-primary);background:var(--white);-webkit-font-smoothing:antialiased;line-height:1.8;overflow-x:hidden}.mono{font-family:var(--font-mono)}.btn-primary{background:var(--orange-500);color:var(--white);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex;box-shadow:0 4px 16px #e8650a4d}.btn-primary:hover{background:var(--orange-600);transform:translateY(-1px);box-shadow:0 6px 24px #e8650a66}.btn-secondary{color:var(--navy-200);border:1px solid var(--navy-600);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-secondary:hover{border-color:var(--navy-400);color:var(--white);background:#ffffff0a}.fade-in{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(20px)}.fade-in.visible{opacity:1;transform:translateY(0)}