* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  color: #1e293b;
  background: #fff;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }

/* ========== Header / Nav ========== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: #2563eb;
  letter-spacing: -0.5px;
}

.logo span { color: #1e293b; }

nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

nav a {
  font-size: 0.95rem;
  color: #475569;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover, nav a.active { color: #2563eb; }

nav .nav-cta {
  background: #2563eb;
  color: #fff;
  padding: 8px 22px;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.2s;
}

nav .nav-cta:hover { background: #1d4ed8; }

/* ========== Page Hero ========== */
.page-hero {
  background: linear-gradient(135deg, #1e293b 0%, #1e40af 100%);
  color: #fff;
  padding: 80px 40px;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 1.1rem;
  opacity: 0.8;
}

/* ========== Sections ========== */
section { padding: 80px 40px; }

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #2563eb;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: #64748b;
  max-width: 560px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
}

/* ========== Buttons ========== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
}

.btn-outline {
  border: 2px solid #2563eb;
  color: #2563eb;
}

.btn-outline:hover {
  background: #2563eb;
  color: #fff;
}

.btn-white {
  background: #fff;
  color: #2563eb;
}

.btn-white:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
}

/* ========== Cards ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 36px 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: #eff6ff;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card p {
  font-size: 0.9rem;
  color: #64748b;
}

/* ========== CTA Banner ========== */
.cta-banner {
  background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
  color: #fff;
  text-align: center;
  padding: 80px 40px;
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.05rem;
  opacity: 0.85;
  margin-bottom: 36px;
}

/* ========== Footer ========== */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 48px 40px 24px;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #1e293b;
}

.footer-brand .logo { font-size: 1.3rem; }
.footer-brand p {
  font-size: 0.875rem;
  margin-top: 12px;
  line-height: 1.8;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }

.footer-copy {
  max-width: 1080px;
  margin: 24px auto 0;
  font-size: 0.8rem;
  text-align: center;
}

/* ========== Form ========== */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #1e293b;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: #1e293b;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2563eb;
}

.form-group textarea { resize: vertical; min-height: 140px; }

/* ========== Responsive ========== */
@media (max-width: 768px) {
  header { padding: 0 20px; }
  nav { gap: 16px; }
  nav a:not(.nav-cta) { display: none; }
  section { padding: 60px 20px; }
  .page-hero { padding: 60px 20px; }
  .page-hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.6rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { padding: 60px 20px; }
}