/*
----------------------------------------

  block-box-alternating

----------------------------------------
*/
.block-box-alternating {
  position: relative;
  --color-black: #211d1a;
  --line-height: 1.75;
  --letter-spacing: 0.1em;
}

.block-box-alternating .list {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, calc(100vw * 40 / 1440), 40px);
  margin-top: clamp(40px, calc(100vw * 60 / 1440), 60px);
}

.block-box-alternating .card-block {
  width: 82%;
  padding: clamp(32px, calc(100vw * 40 / 1440), 40px);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0px 0px 50px 0px rgba(0, 0, 0, 0.1);
  border-radius: 15px;
}

.block-box-alternating .card-block:nth-child(even) {
  margin-left: auto;
}

.block-box-alternating .card-block .title {
  font-family: var(--font-heisei-mincho-std);
  font-weight: 500;
  font-size: clamp(20px, calc(100vw * 24 / 1440), 24px);
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
  color: var(--color-black);
  padding-bottom: clamp(8px, calc(100vw * 10 / 1440), 10px);
  border-bottom: 1px solid #c4c4c4;
}

.block-box-alternating .card-block .text {
  margin-top: clamp(16px, calc(100vw * 24 / 1440), 24px);
}

.block-box-alternating .card-block .text * {
  font-family: var(--font-heisei-mincho-std);
  font-weight: 500;
  font-size: clamp(14px, calc(100vw * 15 / 1440), 15px);
  line-height: var(--line-height);
  letter-spacing: var(--letter-spacing);
  color: var(--color-black);
}

.block-box-alternating .card-block .text *:not(:first-child) {
  margin-top: 1lh;
}

.block-box-alternating .card-block .image {
  width: min(100%, 440px);
  margin-inline: auto;
  margin-top: clamp(24px, calc(100vw * 48 / 1440), 48px);
}

@media screen and (max-width: 750px) {
  .block-box-alternating .list {
    gap: clamp(24px, calc(100vw * 48 / 750), 48px);
    margin-top: clamp(32px, calc(100vw * 48 / 750), 48px);
  }

  .block-box-alternating .card-block {
    width: 100%;
    padding: clamp(24px, calc(100vw * 48 / 750), 48px);
    background: rgba(255, 255, 255, 0.8);
  }

  .block-box-alternating .card-block .title {
    font-size: clamp(20px, calc(100vw * 32 / 750), 32px);
    padding-bottom: clamp(8px, calc(100vw * 20 / 750), 20px);
  }

  .block-box-alternating .card-block .text {
    margin-top: clamp(16px, calc(100vw * 32 / 750), 32px);
  }

  .block-box-alternating .card-block .text * {
    font-size: clamp(14px, calc(100vw * 26 / 750), 26px);
  }

  .block-box-alternating .card-block .text *:not(:first-child) {
    margin-top: 1lh;
  }

  .block-box-alternating .card-block .image {
    width: min(100%, 440px);
    margin-inline: auto;
    margin-top: clamp(16px, calc(100vw * 32 / 750), 32px);
  }
}