body {
  font-family: 'Noto Sans JP', sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f9f9f9;
  color: #333;
}

header {
  background: #005bac;
  color: white;
  padding: 1em;
  text-align: center;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  background: #eee;
}

nav a {
  padding: 1em;
  text-decoration: none;
  color: #005bac;
}

.container {
  padding: 1em;
  max-width: 960px;
  margin: auto;
}

.news, .next-event, .about {
  background: white;
  padding: 1em;
  margin: 1em 0;
  border-radius: 8px;
}

footer {
  background: #ccc;
  text-align: center;
  padding: 1em;
  font-size: 0.9em;
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: center;
  }
}