body {
  background: #f7fafc;
  color: #222;
  font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, 'メイリオ', Meiryo, sans-serif;
  margin: 0;
  padding: 0;
}
.header {
  background: #1976d2;
  color: #fff;
  padding: 32px 0 16px 0;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.header h1 {
  margin: 0;
  font-size: 2.2rem;
  letter-spacing: 0.05em;
}
.main {
  max-width: 600px;
  margin: 40px auto 0 auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  padding: 32px 24px 24px 24px;
}
.app-section {
  margin-bottom: 32px;
}
.app-title {
  font-size: 1.3rem;
  font-weight: bold;
  color: #1976d2;
  margin-bottom: 8px;
}
.app-link {
  display: inline-block;
  background: #43a047;
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: bold;
  margin-top: 8px;
  transition: background 0.2s;
}
.app-link:hover {
  background: #388e3c;
}
.app-images {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 18px;
}
.app-images img {
  width: 44%;
  max-width: 200px;
  max-height: 380px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
  background: #eee;
  object-fit: contain;
}
.privacy-link {
  display: inline-block;
  margin-top: 24px;
  color: #1976d2;
  text-decoration: underline;
  font-size: 1rem;
}
@media (max-width: 700px) {
  .main { padding: 18px 4vw 18px 4vw; }
  .header { padding: 24px 0 10px 0; }
  .app-images {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  .app-images img {
    width: 80%;
    max-width: 320px;
    max-height: 380px;
  }
}