/* 【最新のunsubscribe.css】 */
body {
  font-family: "Helvetica Neue", sans-serif;
  background: #f9fafb;
  color: #333;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  text-align: center;
  margin-bottom: 1rem;
}

.unsubscribe-container {
  background: white;
  padding: 1.5rem 2rem 3rem 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-width: 600px;
  width: 100%;
}

.unsubscribe-container p {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 1.8rem;   /* デフォルトの1.5倍程度に */
} 

.reason-group label {
  display: block;
  margin: 0.3rem 0;
  font-size: 1.1rem;
  font-weight: normal;
}

.reason-group input[type="text"] {
  width: 60%;
  padding: 0.3rem;
  margin-left: 0.5rem;
  font-size: 1rem;
}

.reason-group textarea {
  display: block;
  width: 90%;
  padding: 0.5rem;
  font-size: 1rem;
  margin: 0.5rem auto 0 auto;
  resize: vertical;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-family: inherit;
}

.confirmation {
  margin-top: 2rem;
  text-align: center;
}

.confirmation button {
  margin: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.confirmation button:first-of-type {
  background: #6366f1;
  color: white;
}

.confirmation button:last-of-type {
  background: #ef4444;
  color: white;
}


@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  .unsubscribe-container {
    padding: 1rem;
    width: 95%;
  }

  .unsubscribe-container p {
    font-size: 1.1rem;
  }

  .reason-group label {
    font-size: 1rem;
  }

  .reason-group input[type="text"] {
    width: 90%;
    font-size: 0.95rem;
    margin-left: 0;
    display: block;
    margin-bottom: 1rem;
  }

  .reason-group textarea {
    width: 100%;
    font-size: 0.95rem;
  }

  .confirmation {
    margin-top: 1.5rem;
  }

  .confirmation button {
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    width: 100%;
    max-width: 250px;
  }
}