body {
  margin: 0;
  padding: 0;
  background-color: #f8f6f4ff;
  color: #4b4948;
  font-size: 28px;
}

.campaign-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: #ffffff;
}

/* スマホ向けのスタイル */
@media (max-width: 430px) {
  body {
    font-size: 10px;
  }

  .campaign-container {
    max-width: 100%;
    padding: 10px;
  }
}

.campaign-banner {
  width: 100%;
  height: auto;
}

.campaign-content {
  padding: 20px;
}

h2 {
  color: #4b4948ff;
  font-size: 1.3em;
  margin-top: 30px;
  padding-bottom: 5px;
  text-align: center;
}

.section-additional-amount, .section-campaign-examples {
  margin-bottom: 30px;
}

.section-additional-amount .amount {
  text-decoration: underline;
  text-decoration-color: yellow;
  text-decoration-thickness: 3px;
  color: #e9470a;
  font-weight: bold;
}

.section-additional-amount .additional-text {
  color: #4b4948ff;
}

.additional-amounts {
  list-style-type: none;
  padding: 0;
}

.additional-amounts li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 1.3em;
}

.additional-amounts .people {
  font-weight: bold;
}

.additional-amounts .highlight {
  color: #e9470a;
}

.additional-amounts .amount {
  color: #e9470a;
  font-weight: bold;
}

.example-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 15px;
  padding: 10px;
  gap: 10px;
  background-color: #fdece6ff;
}

.example-header h3 {
  background-color: #ffffff;
  border: 2px ;
  border-radius: 20px;
  padding: 5px 10px;
  margin: 0;
  width: 25%;
  text-align: center;
  flex-shrink: 0;
  font-size: 1em;
}

.example-header p {
  color: #4b4948;
  margin: 0;
  text-align: center;
  flex-grow: 1;
  font-weight: bold;
}

.example-header .note {
  font-size: 0.6em;
}

.calculation {
  background-color: #ffffff;
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
}
.calculation .label, .calculation .value, .calculation .note {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.unit {
  font-size: 0.5em;
}

.calculation > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 25%; /* 各要素の幅を調整 */
}

.calculation > .operator {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.calculation .label {
  font-size: 0.8em;
  text-align: center;
  flex: 1;
}

.calculation .value {
  font-size: 1.8em;
  font-weight: bold;
  flex: 1;
}

.calculation .note {
  flex: 1;
}

.original {
  background-color: #f8f6f4ff;
  padding: 10px;
  border-radius: 5px;
}

.additional {
  background-color: #e9470a;
  padding: 10px;
  border-radius: 5px;
  color: #ffffff;
}

.total {
  background-color: #f8f6f4ff;
  padding: 10px;
}

.operator {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  margin: 2px;
}

.additional .label {
  color: yellow;
}

.operator .label {
  visibility: hidden;
}

.note {
  font-size: 0.6em;
}