:root{--primary:#1a365d;--accent:#2563eb;--text:#1a202c;--bg:#fff;--gray:#f7fafc;--border:#e2e8f0}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Noto Sans JP',sans-serif;color:var(--text);background:var(--bg);line-height:1.8}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header{background:var(--primary);color:#fff;padding:1rem 2rem;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.1)}
header a{color:#fff}
nav{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto}
nav ul{list-style:none;display:flex;gap:2rem}
h1,h2,h3{color:var(--primary);line-height:1.4}
h1{font-size:2.5rem;margin-bottom:1rem}
h2{font-size:1.8rem;margin:2rem 0 1rem}
h3{font-size:1.3rem;margin:1.5rem 0 .8rem}
section{padding:4rem 2rem;max-width:1200px;margin:0 auto}
.hero{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;text-align:center;padding:6rem 2rem}
.hero h1{color:#fff;font-size:3rem}
.hero p{font-size:1.2rem;opacity:.9;margin:1rem 0}
.btn{display:inline-block;padding:.8rem 2rem;border-radius:8px;font-weight:600;transition:all .3s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1d4ed8;text-decoration:none}
.btn-secondary{background:#fff;color:var(--accent);border:2px solid var(--accent)}
.card,.service-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:2rem;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform .3s}
.card:hover,.service-card:hover{transform:translateY(-4px)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}
ul{padding-left:1.5rem}
li{margin:.5rem 0}
footer{background:var(--primary);color:#fff;padding:3rem 2rem;text-align:center}
footer a{color:#93c5fd}
.stats{display:flex;justify-content:center;gap:3rem;margin:2rem 0}
.stat-item{text-align:center}
.stat-number{font-size:2rem;font-weight:700;color:var(--accent)}
@media(max-width:768px){h1{font-size:1.8rem}.hero h1{font-size:2rem}nav ul{display:none}.grid{grid-template-columns:1fr}.stats{flex-direction:column;gap:1rem}section{padding:2rem 1rem}}