body {
  margin: 0;
  font-family: 'Helvetica Neue', sans-serif;
  background-color: #f0f0f0;
  color: #333;
}

.site-header {
  background-color: #222;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header .logo {
  height: 40px;
}

.main-nav a {
  color: white;
  text-decoration: none;
  margin-left: 15px;
  font-weight: bold;
}

.main-nav a:hover {
  text-decoration: underline;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  background: white;
  height: 3px;
  margin: 4px 0;
  width: 25px;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    background-color: #222;
    text-align: center;
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    margin: 10px 0;
  }
}

.page-title {
  text-align: center;
  margin: 30px 0;
  font-size: 2rem;
  color: #222;
}

.tab-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tab {
  padding: 10px 20px;
  background-color: #eee;
  border: none;
  border-radius: 10px 10px 0 0;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  color: #333;
  transition: background-color 0.3s;
}

.tab:hover {
  background-color: #ddd;
}

.tab.active {
  background-color: #ffcc00;
  color: #222;
  border-bottom: 3px solid #222;
}

.tab-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 15px;
}

.tab-pane {
  display: none;
  text-align: center;
}

.tab-pane.active {
  display: block;
}

.tab-pane img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}


/* サイトマップ */
.footer-sitemap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  padding: 30px 20px;
  color: #fff;
  background: #111;
}

.footer-sitemap h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #ffffff;
  letter-spacing: 0.07em;
}

.footer-sitemap ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-sitemap li {
  margin-bottom: 6px;
}

.footer-sitemap a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-sitemap a:hover {
  text-decoration: underline;
  color: #ffd768; /* ホバーを少し黄色にして統一感UP */
}

@media (max-width: 768px) {
  .footer-sitemap {
    grid-template-columns: 1fr 1fr;
    gap: 25px 10px;
  }
}

/* === 全体スケジュールボタン === */
.schedule-button-wrapper {
  text-align: center;         /* PCで中央寄せ */
  margin: 40px 0 20px;
}

.schedule-button {
  display: inline-block;
  padding: 14px 32px;
  background: #e02727;        /* 既存と同じ赤 */
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;       /* 丸ボタン */
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
}

.schedule-button:hover {
  background: #ff3a3a;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.35);
}

/* === スマホ === */
@media (max-width: 768px) {
  .schedule-button {
    width: 90%;               /* 横幅ぴったり */
    padding: 14px 0;
    font-size: 1.1rem;
  }
}