.battery-tool-cta,
.battery-tool-cta * {
  box-sizing: border-box;
}

.battery-tool-cta {
  margin: 28px 0;
  padding: 28px;
  color: #232323;
  background: linear-gradient(135deg, #edf4ff 0%, #ffffff 72%);
  border: 2px solid #0d3b88;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(13, 59, 136, .10);
  font-family: Meiryo, "メイリオ", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.7;
}

.battery-tool-cta .battery-tool-cta__label {
  color: #174da0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.battery-tool-cta h3 {
  margin: 9px 0;
  padding: 0;
  color: #0d3b88;
  background: transparent;
  border: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.45;
}

.battery-tool-cta p {
  margin: 0 0 18px;
  padding: 0;
  color: #6c7078;
  font-size: 14px;
  line-height: 1.8;
}

.battery-tool-cta p strong {
  color: #0d3b88;
  font-weight: 800;
}

.battery-tool-cta a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 52px;
  padding: 12px 18px;
  color: #191400;
  background: #ffca28;
  border: 1px solid #e5a900;
  border-radius: 9px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.55;
  text-decoration: none;
}

.battery-tool-cta a > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.battery-tool-cta a:hover {
  color: #191400;
  background: #ffd85a;
  text-decoration: none;
}

.battery-tool-cta a:focus-visible {
  outline: 3px solid #ff8f00;
  outline-offset: 3px;
}

.battery-tool-cta .battery-tool-cta__note {
  margin: 9px 0 0;
  color: #52627a;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  text-align: center;
}

.battery-tool-guide-cta {
  background: linear-gradient(135deg, #f5f8ff 0%, #ffffff 72%);
}

.battery-tool-comparison-cta {
  background: linear-gradient(135deg, #eef5ff 0%, #fff9e9 100%);
}

@media (max-width: 680px) {
  .battery-tool-cta {
    margin: 22px 0;
    padding: 22px 16px;
  }

  .battery-tool-cta a {
    min-height: 56px;
    padding: 12px 14px;
    font-size: 14px;
  }
}