.development-page {
  background-color: #f4f4f4;
}
.development-page .introduction-section {
  padding-top: 120px;
  padding-bottom: 80px;
}
.development-page .introduction-section .introduction__title {
  font-size: 40px;
  font-weight: 300;
  line-height: 180%;
  text-align: center;
}
.development-page .introduction-section .introduction__content {
  max-width: 470px;
  margin: 0 auto;
  margin-top: 48px;
}
.development-page .introduction-section .introduction__content p {
  line-height: 180%;
  letter-spacing: 0;
}
.development-page .introduction-section .introduction__content-item {
  letter-spacing: normal;
  font-weight: 400;
}
.development-page .introduction-section .introduction__category {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 1238px;
  margin: 60px auto 0;
}
.development-page .introduction-section .introduction__category-scroll {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: scroll;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  -ms-overflow-style: none;
  scrollbar-width: none;
  user-select: none;
  padding-bottom: 1px;
  /* マスク処理で左右のフェードアウト効果 */
  -webkit-mask-image: linear-gradient(to right, transparent, #000 100px, #000 calc(100% - 100px), transparent);
  mask-image: linear-gradient(to right, transparent, #000 100px, #000 calc(100% - 100px), transparent);
}
.development-page .introduction-section .introduction__category-scroll::-webkit-scrollbar {
  display: none;
}
.development-page .introduction-section .introduction__category-scroll:active {
  cursor: grabbing;
}
.development-page .introduction-section .introduction__category-tag {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 8px;
  letter-spacing: normal;
  border-radius: 20px;
  border: 1px solid var(--C8C9CA, #c8c9ca);
  background: var(--FFFFFF, #fff);
  color: #393c41;
  font-size: 11px;
  font-weight: 400;
  line-height: 100%;
  flex-shrink: 0;
  white-space: nowrap;
  transition: all 0.2s ease;
}

@media (max-width: 960px) {
  .development-page .introduction-section {
    padding: 80px 16px;
  }
  .development-page .introduction-section .introduction__container {
    padding: 0 16px;
  }
  .development-page .introduction-section .introduction__heading {
    max-width: 250px;
    margin: 0 auto;
  }
  .development-page .introduction-section .introduction__title {
    font-size: 28px;
    line-height: 180%;
  }
  .development-page .introduction-section .introduction__content {
    width: 100%;
    margin-top: 48px;
  }
  .development-page .introduction-section .introduction__category {
    margin-top: 40px;
  }
}