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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #f5f7fa, #e8ecf3);
  color: #1f2937;
  line-height: 1.6;
  padding: 24px;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  background: #ffffff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

h1 {
  font-size: 2rem;
  margin-bottom: 12px;
  color: #111827;
}

h2 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: #111827;
}

p {
  margin-bottom: 16px;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.date {
  color: #6b7280;
  margin-bottom: 32px;
}

.footer {
  margin-top: 40px;
  font-size: 0.9rem;
  color: #6b7280;
}

.app-list {
  list-style: none;
  margin-top: 24px;
}

.app-list li {
  margin-bottom: 12px;
}

.app-list a {
  display: block;
  padding: 16px 20px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  font-weight: 600;
}

.app-list a:hover {
  background: #eef2ff;
  text-decoration: none;
}

@media (max-width: 600px) {
  body {
    padding: 12px;
  }

  .container {
    padding: 24px;
    border-radius: 16px;
  }

  h1 {
    font-size: 1.6rem;
  }
}