/* 메인(index) 페이지 스타일 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 720px;
  margin: 60px auto;
  padding: 24px;
}

h1 {
  text-align: center;
  margin-bottom: 12px;
}

.description {
  text-align: center;
  color: #555;
  margin-bottom: 40px;
}

.section-title {
  margin-top: 40px;
}

.tool-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.tool-card {
  background: #ffffff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  text-decoration: none;
  color: #000;
  transition: transform 0.15s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
}

.tool-card h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.tool-card p {
  font-size: 14px;
  color: #666;
  margin: 0;
}

.adsense {
  margin-top: 40px;
}

footer {
  margin-top: 48px;
  text-align: center;
  font-size: 12px;
  color: #999;
}

footer a {
  color: #666;
  text-decoration: none;
  margin: 0 6px;
}