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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1A1A1A;
  background-color: #FAFAF9;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 64px;
  background-color: #FAFAF9;
  border-bottom: 1px solid #E5E5E3;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 10px 16px;
  z-index: 100;
}

.navbar a {
  text-decoration: none;
  color: #1A1A1A;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.navbar a:hover {
  color: #666666;
}

.navbar a.active {
  font-weight: 600;
  border-bottom: 2px solid #1A1A1A;
  padding-bottom: 4px;
}

main {
  padding-top: 90px;
}

@media (max-width: 600px) {
  .navbar {
    gap: 0.75rem 1rem;
    padding: 8px 12px;
  }

  .navbar a {
    font-size: 0.78rem;
  }

  main {
    padding-top: 100px;
  }
}