:root {
  --main-yellow: #FFD54F; /* 画像のナビバーの色 */
  --main-orange: #FF8A65; /* アクセントオレンジ */
  --btn-orange: #FF9800;
  --text-color: #333;
  --gray-bg: #f9f9f9;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background-color: var(--main-yellow);
  padding: 15px 0;
}
.main-nav ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: bold;
  color: #d84315; /* テキスト色調整 */
}
@media (max-width: 768px) {
  .main-nav ul {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }
}

/* Footer */
.site-footer {
  background: linear-gradient(90deg, #FDD835 0%, #FF8A65 100%); /* 黄色〜オレンジのグラデーション */
  padding: 40px 0;
  color: #fff;
  text-align: center;
  margin-top: 60px;
}
.footer-sns {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-bottom: 10px;
}
.sns-icon {
  background: #fff;
  color: #FF8A65;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .3s;
}
.copyright {
  font-size: 0.8rem;
  text-align: center;
  width: 100%;
}