/* base.css - 全ページ共通 */
body {
  background-color: #fef8e7;
  font-family: "Rounded Mplus 1c", "Hiragino Maru Gothic Pro", sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
}
.container {
  max-width: 600px;
  margin: 40px auto;
  background-color: #fff;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.center {
  text-align: center;
}
h1 {
  text-align: center;
  font-size: 36px;
  color: #ff8c42;
  /* margin-bottom: 20px; */
}
h2 a {
  color: #0066cc;
  text-decoration: none;
}
p {
  margin-bottom: 20px;
}
.links {
  margin-top: 20px;
}
.links a {
  display: inline-block;
  background-color: #ffd966;
  color: #333;
  font-size: 20px;
  padding: 10px 20px;
  border-radius: 12px;
  text-decoration: none;
  margin: 10px;
  transition: background-color 0.3s;
}
.links a:hover {
  background-color: #ffecb3;
}
.counter {
  margin-top: 40px;
  font-size: 14px;
  color: #666;
}
.return-link {
  display: inline-block;
  background-color: #fff2b2; /* 柔らかい黄色 */
  color: #333;
  font-size: 16px;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  margin: 10px;
  transition: background-color 0.3s;
}
.return-link:hover {
  background-color: #ffe28c; /* 少し濃い黄色で反応感 */
}

.return-link-box {
  margin-top: 20px;
  margin-bottom: 10px;
  text-align: center;
}

.return-link {
  display: inline-block;
  padding: 10px 16px;
  background-color: #fff5cc;
  color: #333;
  font-size: 16px;
  border: 2px solid #ffdb4d;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.return-link:hover {
  background-color: #ffed99;
}