*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1a365d;--primary-light: #2c5282;--primary-dark: #0f2440;--accent: #e53e3e;--text: #1a202c;--text-light: #4a5568;--text-muted: #718096;--bg: #ffffff;--bg-gray: #f7fafc;--bg-dark: #1a365d;--border: #e2e8f0;--shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--radius: 8px;--transition: .3s ease}html{scroll-behavior:smooth;font-size:16px}body{font-family:Noto Sans JP,sans-serif;color:var(--text);line-height:1.8;background:var(--bg);-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{text-decoration:none;color:inherit;transition:var(--transition)}ul{list-style:none}.container{max-width:1100px;margin:0 auto;padding:0 20px}.sp-only{display:none}.header{position:fixed;top:0;left:0;right:0;background:#fffffff7;backdrop-filter:blur(8px);z-index:1000;border-bottom:1px solid 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20px;border-radius:50px;text-decoration:none;display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;box-shadow:0 4px 12px #1a365d4d;z-index:1000;transition:transform .2s,box-shadow .2s}.floating-cta:hover{transform:translateY(-2px);box-shadow:0 6px 16px #1a365d66;color:#fff}.floating-cta i{font-size:1rem}@media(min-width:769px){.floating-cta{bottom:30px;right:30px}}.article-cta{margin:3rem 0 2rem;padding:2rem;background:#f0f4f8;border-radius:12px;text-align:center}.article-cta h3{font-size:1.2rem;color:#1a365d;margin-bottom:.8rem}.article-cta p{color:#4a5568;margin-bottom:1.5rem;line-height:1.8}