:root{--primary-color: #2c3e50;--secondary-color: #34495e;--accent-color: #3498db;--background-color: #f5f6fa;--text-color: #2c3e50;--card-background: #ffffff;--shadow-color: rgba(0, 0, 0, .1);--transition-speed: .3s;--border-radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Noto Sans JP,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6;min-height:100vh}.page-container{min-height:100vh;padding:2rem;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.content-wrapper{max-width:1200px;margin:0 auto;padding:2rem;background:#fffffff2;border-radius:var(--border-radius);box-shadow:0 8px 30px var(--shadow-color)}.header{text-align:center;margin-bottom:3rem;padding:2rem;background:linear-gradient(to right,#2c3e50,#3498db);border-radius:var(--border-radius);color:#fff}.header h1{font-size:2.5rem;margin-bottom:1rem;font-weight:700;letter-spacing:.5px}.subtitle{font-size:1.1rem;opacity:.9;font-weight:500}@media (max-width: 768px){.page-container,.content-wrapper{padding:1rem}.header{padding:1.5rem 1rem}.header h1{font-size:1.8rem}.subtitle{font-size:1rem}}.document-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;padding:1rem}.mascot{position:fixed;bottom:2rem;right:2rem;width:120px;height:120px;animation:float 3s ease-in-out infinite;z-index:100;cursor:pointer;transition:transform .3s ease}.mascot:hover{transform:scale(1.1) rotate(-5deg)}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-15px)}to{transform:translateY(0)}}.mascot-speech{position:fixed;bottom:140px;right:130px;background:#fff;padding:1rem;border-radius:15px;box-shadow:0 4px 15px var(--shadow-color);max-width:200px;opacity:0;transform:translateY(20px);transition:all .3s ease;pointer-events:none}.mascot-speech.visible{opacity:1;transform:translateY(0)}.mascot-speech:after{content:"";position:absolute;bottom:-10px;right:20px;border-width:10px 10px 0;border-style:solid;border-color:white transparent}.card{background:var(--card-background);border-radius:var(--border-radius);box-shadow:0 4px 15px var(--shadow-color);transition:transform var(--transition-speed),box-shadow var(--transition-speed);overflow:hidden}.card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #00000026}.card-content{padding:1.5rem}.card h3{color:var(--primary-color);font-size:1.3rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--accent-color)}.card ul{list-style:none}.card li{margin:.8rem 0}.card a{display:block;padding:.8rem 1.2rem;background:#f8f9fa;color:var(--text-color);text-decoration:none;border-radius:6px;transition:all var(--transition-speed);border:1px solid #e9ecef}.card a:hover{background:var(--accent-color);color:#fff;transform:translate(5px)}.special-link{background:linear-gradient(135deg,#3498db,#2980b9)!important;color:#fff!important}.special-link:hover{background:linear-gradient(135deg,#2980b9,#2c3e50)!important}@media (max-width: 768px){.document-grid{grid-template-columns:1fr;gap:1rem}.card-content{padding:1rem}.card h3{font-size:1.2rem}.card a{padding:.6rem 1rem}.mascot{width:80px;height:80px;bottom:1rem;right:1rem}.mascot-speech{bottom:100px;right:90px;max-width:160px;font-size:.9rem}}