:root{--primary-blue: #0056b3;--primary-green: #2e7d32;--text-main: #333333;--text-light: #666666;--bg-light: #f8f9fa;--white: #ffffff;--max-width: 1200px;--header-height: 80px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,Noto Sans JP,sans-serif;color:var(--text-main);line-height:1.6;background-color:var(--bg-light)}h1,h2,h3,h4,h5,h6{line-height:1.3;margin-bottom:1rem}a{text-decoration:none;color:inherit;transition:opacity .3s ease}a:hover{opacity:.8}ul,ol{list-style:none}img{max-width:100%;display:block}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}.section-padding{padding:80px 0}.text-center{text-align:center}.text-primary-blue{color:var(--primary-blue)}.text-primary-green{color:var(--primary-green)}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.grid{display:grid;gap:2rem}.grid-cols-1{grid-template-columns:1fr}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}@media(min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}.md\:grid-cols-3{grid-template-columns:repeat(3,1fr)}}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:3rem;color:var(--primary-blue);position:relative;display:inline-block;width:100%}.section-title:after{content:"";display:block;width:60px;height:4px;background:linear-gradient(to right,var(--primary-blue),var(--primary-green));margin:1rem auto 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:1rem 2rem;border-radius:50px;font-weight:700;cursor:pointer;transition:all .3s ease;border:none;font-size:1.1rem}.btn-primary{background:linear-gradient(135deg,var(--primary-blue),var(--primary-green));color:var(--white);box-shadow:0 4px 15px #0056b34d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0056b366}