/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');

body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  background-color: #f9f7f4;
  color: #333;
}

header {
  background-color: #faf0e6;
  padding: 2rem 0;
  text-align: center;
  border-bottom: 1px solid #e2ddd5;
}

header h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  color: #a0522d;
}

.main-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wra