.winter-hero {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 32px;
}

.winter-label {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--main-color);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.winter-lead {
  font-size: 16px;
  color: #555;
  margin-top: 16px;
  line-height: 1.8;
}

.winter-section {
  padding-top: 24px;
  padding-bottom: 24px;
}

.info-card {
  background: #f6fbfe;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.placeholder-text {
  color: #999;
  font-size: 15px;
}

.winter-note {
  color: #666;
  margin-bottom: 12px;
}

.winter-subjects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.winter-subject-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.subject-icon {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--main-color);
  color: #fff;
  font-weight: bold;
  font-size: 20px;
  margin-bottom: 8px;
}

.subject-icon.math {
  background: #007bff;
}

.subject-icon.japanese {
  background: #ff82c6;
}

.subject-icon.science {
  background: #ffd93b;
}

.subject-icon.social {
  background: #4cd964;
}

.winter-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--main-color);
  color: #fff;
  font-weight: bold;
  padding: 14px 32px;
  border-radius: 999px;
  margin-top: 16px;
  transition: opacity 0.2s ease;
}

.winter-cta:hover {
  opacity: 0.85;
}

@media (min-width: 768px) {
  .winter-hero {
    margin-bottom: 48px;
  }

  .winter-lead {
    font-size: 18px;
  }

  .info-card {
    padding: 32px;
  }
}