:root {
  --primary: #0056a6;
  --primary-dark: #003d75;
  --accent: #ff6a00;
  --light: #f0f6fc;
  --text: #222;
  --muted: #555;
  --border: #e0e0e0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif; color: var(--text); line-height: 1.7; background: #fff; }
a { color: var(--primary); text-decoration: none; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.topbar { background: var(--primary); color: #fff; font-size: 13px; padding: 6px 0; }
.topbar .container { display: flex; justify-content: space-between; }
.nav { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; }
.logo { font-size: 22px; font-weight: 700; color: var(--primary); }
nav ul { display: flex; gap: 4px; list-style: none; flex-wrap: wrap; }
nav a { padding: 8px 10px; border-radius: 4px; color: var(--text); font-weight: 500; font-size: 14px; }
nav a:hover { background: var(--light); color: var(--primary); }
.hero { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; padding: 80px 0; text-align: center; }
.hero h1 { font-size: 34px; margin-bottom: 12px; }
.hero p { font-size: 18px; margin-bottom: 24px; opacity: 0.95; }
.btn { display: inline-block; background: #fff; color: var(--primary); padding: 12px 28px; border-radius: 4px; font-weight: 700; }
section { padding: 60px 0; }
h2 { font-size: 28px; color: var(--primary); text-align: center; margin-bottom: 32px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 24px; }
.card h3 { color: var(--primary); margin-bottom: 8px; }
.page-header { background: var(--light); padding: 48px 0; text-align: center; }
.page-header h1 { color: var(--primary); font-size: 32px; }
.content { padding: 48px 0; }
table { width: 100%; border-collapse: collapse; margin: 20px 0; }
th, td { border: 1px solid var(--border); padding: 12px; text-align: left; }
th { background: var(--light); }
footer { background: #1a1a1a; color: #ccc; padding: 40px 0 20px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 20px; }
footer a { color: #7eb8e8; }
@media (max-width: 700px) {
  nav ul { flex-direction: column; }
  .hero h1 { font-size: 26px; }
}