/* ===== ENVIRONMENT ===== */
.environment {
  position: relative;
  background-color: rgb(255, 255, 255);
  padding: 12rem 0 12rem;
}

.environmentInner {
  position: relative;
}

/* ===== 見出し ===== */
.environment .ttl01 {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px 0;
  margin-bottom: 4rem;
}

.environment .ttl01En {
  font-size: 5.6rem;
  font-weight: 700;
  font-family: var(--font-poppins), Poppins, sans-serif;
  letter-spacing: 0.02em;
  color: rgb(28, 44, 67);
  line-height: 1;
}

.environment .ttl01Ja {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgb(28, 44, 67);
  line-height: 1;
}

.environment .leadTxt {
  font-size: 1.5rem;
  line-height: 1.8;
  color: rgb(28, 44, 67);
  margin-bottom: 6rem;
}

/* ===== アコーディオン ===== */
.envAccordion {
  border-top: 1px solid rgb(220, 224, 230);
}

.envAcItem {
  border-bottom: 1px solid rgb(220, 224, 230);
}

.envAcSummary {
  list-style: none;
  cursor: pointer;
  padding: 2.4rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  user-select: none;
}

.envAcSummary::-webkit-details-marker { display: none; }

.envAcTitle {
  font-size: 2rem;
  font-weight: 700;
  color: rgb(28, 44, 67);
  line-height: 1.4;
}

.envAcIcon {
  position: relative;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.envAcIcon::before,
.envAcIcon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: rgb(43, 185, 176);
  transition: transform 0.25s ease;
}

.envAcIcon::before {
  width: 18px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.envAcIcon::after {
  width: 2px;
  height: 18px;
  transform: translate(-50%, -50%);
}

.envAcItem[open] .envAcIcon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.envAcBody {
  padding: 0 0 3.2rem;
}

.envAcList {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.envAcRow {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: 2rem;
  align-items: baseline;
  padding: 1.2rem 0;
  border-bottom: 1px dashed rgb(228, 231, 236);
}

.envAcRow dt {
  font-size: 1.4rem;
  font-weight: 700;
  color: rgb(28, 44, 67);
  letter-spacing: 0.04em;
}

.envAcRow dd {
  font-size: 1.4rem;
  line-height: 1.7;
  color: rgb(70, 86, 110);
}

/* ===== タブレット（〜1024px）===== */
@media screen and (max-width: 1024px) {
  .environment {
    padding: 10rem 0 10rem;
  }
}

/* ===== モバイル（〜767px）===== */
@media screen and (max-width: 767px) {
  .environment {
    padding: 13.3333vw 0 24vw;
  }

  .environment .ttl01En {
    font-size: 9.6vw;
  }

  .environment .ttl01Ja {
    font-size: 3.2vw;
  }

  .environment .ttl01 {
    margin-bottom: 6.4vw;
  }

  .environment .leadTxt {
    font-size: 3.73333vw;
    margin-bottom: 8vw;
  }

  .envAcSummary {
    padding: 4.8vw 0;
  }

  .envAcTitle {
    font-size: 4.8vw;
  }

  .envAcRow {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 2.4vw 0;
  }

  .envAcRow dt {
    font-size: 3.46667vw;
  }

  .envAcRow dd {
    font-size: 3.46667vw;
  }
}