:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --dark: #0f172a;
  --light: #f8fafc;
  --gray: #64748b;
  --border: #e2e8f0;
  --font-family: 'Noto Sans JP', sans-serif;
}

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

body {
  font-family: var(--font-family);
  color: var(--dark);
  background-color: #ffffff;
  line-height: 1.6;
}

container, .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
}

.logo img {
  width: 36px;
  height: 36px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 25px;
}

nav a {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--primary);
}

.btn {
  display: inline-block;
  background-color: var(--primary);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: var(--primary-hover);
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: 38px;
  line-height: 1.3;
  margin-bottom: 20px;
  color: var(--dark);
}

.hero p {
  font-size: 18px;
  color: var(--gray);
  margin-bottom: 30px;
}

.hero img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Features & Services */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 30px;
  margin-bottom: 50px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.card-body p {
  color: var(--gray);
  font-size: 15px;
}

/* Form Section */
.form-section {
  background-color: var(--light);
  border-radius: 12px;
  padding: 40px;
  max-width: 650px;
  margin: 0 auto;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 14px;
}

.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 16px;
  font-family: inherit;
}

/* Footer */
footer {
  background-color: var(--dark);
  color: #ffffff;
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 18px;
  margin-bottom: 20px;
  color: #38bdf8;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
}

.footer-col a:hover {
  color: #ffffff;
}

.copyright {
  text-align: center;
  border-top: 1px solid #334155;
  padding-top: 20px;
  color: #94a3b8;
  font-size: 14px;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--dark);
  color: #ffffff;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 9999;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}

.cookie-banner button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  nav ul {
    display: none;
  }
}