body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: #111;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.card {
  background: linear-gradient(145deg, #1a1a1a, #333);
  border: 2px solid #e20d0d;
  padding: 2rem;
  width: 360px;
  box-shadow: 0 0 20px rgba(162, 223, 255, 0.5);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-right: 1rem;
  border: 3px solid #e20d0d;
  object-fit: cover;
}

.card h1 {
  margin: 0;
  font-size: 1.8rem;
  color: #e20d0d;
}

.tagline {
  font-size: 0.85rem;
  color: #aaa;
  margin-top: 0.3rem;
}

.stat {
  margin: 0.6rem 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #444;
  padding-bottom: 0.3rem;
  font-size: 0.9rem;
}

.badge {
  background: #e20d0d;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  display: inline-block;
  margin-top: 1.5rem;
  letter-spacing: 1px;
}

.sns-icons {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.sns-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #f2f2f2;
  color: #333;
  text-decoration: none;
  font-size: 18px;
  transition: background-color 0.2s, color 0.2s;
}

.sns-icons a:hover {
  background-color: #007aff;
  color: white;
}