/* ===== 共通 ===== */
body {
  font-family: sans-serif;
  max-width: 600px;
  margin: 20px auto;
  padding: 20px;
}

/* 戻るリンク */
.back-link {
  display: inline-block;
  margin-bottom: 20px;
  color: #007cba;
  text-decoration: none;
}
.back-link:hover {
  text-decoration: underline;
}

/* ===== フッターメニュー ===== */
#footer-menu {
  margin-top: 40px;
  padding-top: 25px;
  border-top: 1px solid #eee;
  font-size: 14px;
  text-align: left;
}

#footer-menu h4 {
  margin: 0 0 15px 0;
  color: #666;
  font-size: 14px;
  font-weight: normal;
}

.menu-link {
  display: block;
  padding: 8px 15px;
  margin-bottom: 3px;
  background: #f8f9fa;
  text-decoration: none;
  color: #666;
  border-radius: 3px;
  border-left: 3px solid transparent;
  transition: all 0.2s;
  font-size: 14px;
}

.menu-link:hover {
  background: #e9ecef;
  color: #333;
  border-left-color: #007cba;
}

/* ===== スマホ表示調整 ===== */
@media screen and (max-width: 600px) {

  body {
    margin: 10px;
    padding: 10px;
  }

  h1 {
    font-size: 22px;
  }

  h2 {
    font-size: 18px;
  }

  .summary-card {
    padding: 15px;
  }

  .total-amount {
    font-size: 28px;
  }

  .menu-link {
    padding: 12px 15px;
    font-size: 15px;
  }

}