.story-page {
  font-family: 'Noto Sans JP', sans-serif;
  color: #333;
  background: #fff;
  line-height: 1.9;
}

.story-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 20px;
}

.story-title {
  font-size: 28px;
  margin-bottom: 30px;
}

.story-title span {
  color: #007aff;
}

.story-text {
  margin-bottom: 20px;
  color: #555;
}

.story-subtitle {
  margin-top: 50px;
  font-size: 22px;
}

.story-day {
  margin-top: 40px;
}

.day-label {
  font-size: 13px;
  color: #007aff;
  font-weight: bold;
  margin-bottom: 10px;
}

.mail {
  padding: 16px;
  margin-bottom: 12px;
  background: #f8f9fa;
  border-left: 3px solid #ddd;
}

.mail.sent {
  border-left: 3px solid #007aff;
}

.mail.reply {
  border-left: 3px solid #16a34a;
}

.story-final {
  margin-top: 60px;
  font-size: 22px;
}

.story-cta {
  text-align: center;
  margin-top: 60px;
}

.story-cta a {
  display: inline-block;
  background: #007aff;
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: bold;
}

.story-note {
  font-size: 13px;
  color: #888;
  text-align: center;
  margin-top: 20px;
}