.cost-effectiveness-card {
  background-color: var(--primary-base-color-code);
  border-radius: var(--radius-card);
  box-shadow:
    8px 8px 16px rgba(89, 88, 87, 0.08),
    -8px -8px 16px rgba(255, 255, 255, 0.9);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.cost-effectiveness-card:hover {
  box-shadow:
    0 4px 12px rgba(89, 88, 87, 0.1),
    4px 4px 8px rgba(89, 88, 87, 0.06),
    -4px -4px 8px rgba(255, 255, 255, 0.95);
}

.cost-effectiveness-card__chart-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cost-effectiveness-card__cta-container {
  display: flex;
  justify-content: center;
}

.cost-effectiveness-card__cta-button {
  background-color: var(--accent-color-code);
  color: var(--primary-base-color-code);
}

.cost-effectiveness-card__cta-button:hover {
  opacity: 0.85;
}

.cost-effectiveness-card__notes {
  border-top: 1px solid var(--secondary-base-color-code);
}

.cost-effectiveness-card__notes-title {
  color: var(--main-color-code);
  font-weight: 500;
}

.cost-effectiveness-card__notes-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--main-color-code);
}

.cost-effectiveness-card__notes-list li {
  position: relative;
  padding-left: 1em;
}

.cost-effectiveness-card__notes-list li::before {
  content: '・';
  position: absolute;
  left: 0;
}

/* PC */
@media screen and (min-width: 960px) {
  .cost-effectiveness-card {
    padding: 2.5rem 3rem;
    max-width: 700px;
    margin: 0 auto;
  }

  .cost-effectiveness-card__chart-container {
    margin-bottom: 1.75rem;
  }

  .cost-effectiveness-card__cta-container {
    margin-bottom: 2rem;
  }

  .cost-effectiveness-card__cta-button {
    min-width: 280px;
  }

  .cost-effectiveness-card__notes {
    padding-top: 1.5rem;
  }

  .cost-effectiveness-card__notes-title {
    font-size: var(--font-size-small);
    margin-bottom: 0.75rem;
  }

  .cost-effectiveness-card__notes-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem 1.5rem;
    font-size: var(--font-size-small);
  }
}

/* Tablet and Mobile */
@media screen and (max-width: 959px) {
  .cost-effectiveness-card {
    padding: 1.5rem 1.25rem;
  }

  .cost-effectiveness-card__chart-container {
    margin-bottom: 1.25rem;
  }

  .cost-effectiveness-card__cta-container {
    margin-bottom: 1.5rem;
  }

  .cost-effectiveness-card__cta-button {
    min-width: 200px;
  }

  .cost-effectiveness-card__notes {
    padding-top: 1rem;
  }

  .cost-effectiveness-card__notes-title {
    font-size: var(--font-size-tiny);
    margin-bottom: 0.5rem;
  }

  .cost-effectiveness-card__notes-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: var(--font-size-tiny);
  }
}