.product {
  position: relative;
  width: 100%;
  padding-top: 100px;
  overflow: hidden;
}

.product__intro {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.product__intro__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.product__intro__background img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product__intro__menu {
  position: absolute;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  align-content: center;
  flex-wrap: wrap;
  background: #fff;
  background: color(display-p3 1 1 1);
  padding-left: calc((100vw - 1420px) / 2);
  z-index: 2;
}

.product__intro__menu__item {
  position: relative;
  display: flex;
  color: #afafaf;
  color: color(display-p3 0.6875 0.6875 0.6875);
  min-width: 198px;
  padding: 20px 25px;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  background: #fff;
  font-family: Pretendard;
  font-size: 22px;
  font-style: normal;
  font-weight: 600;
  line-height: 140%;
  cursor: pointer;
  transition: color 0.3s ease;
}

.product__intro__menu__item.en {
  max-width: 300px;
  font-size: 18px;
  line-height: 1.1em;
}

.product__intro__menu__item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 100%;
  height: 4px;
  background-color: #00acac;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.product__intro__menu__item:hover {
  color: #007c7b;
  color: color(display-p3 0.0069 0.4764 0.4792);
}

.product__intro__menu__item:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.product__intro__menu__item.active::after {
  transform: translateX(-50%) scaleX(1);
}

.product__intro__menu__item.active {
  color: #007c7b;
  color: color(display-p3 0.0069 0.4764 0.4792);
}
.product__intro__menu__bar {
  position: relative;
  width: 2px;
  height: 15px;
  background: #d4d4d4;
}

.product__intro__contents {
  display: flex;
  flex-direction: column;
  padding-top: 231px;
  padding-bottom: 150px;
  gap: 23px;
  position: relative;
  max-width: 1420px;
  margin: 0 auto;
}

.product__intro__contents__subtitle {
  color: #fff;
  font-family: Pretendard, sans-serif;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.48px;
}

.product__intro__contents__title {
  color: #fff;
  font-family: Raleway, sans-serif;
  font-size: 90px;
  font-weight: 600;
}

.product__intro__contents__paragraph {
  color: #fff;
  font-family: Pretendard, sans-serif;
  font-size: 32px;
  font-weight: 500;
  line-height: 140%;
  letter-spacing: -0.64px;
  margin-top: 30px;
}

.product__contents {
  position: relative;
  max-width: 1420px;
  margin: 0 auto;
  padding: 143px 51px;
  box-sizing: border-box;
}

.product__contents__title {
  color: #121212;
  font-family: Raleway, sans-serif;
  font-size: 60px;
  font-weight: 600;
  line-height: 140%;
  letter-spacing: -1.6px;
}

.product__contents__preview {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
}

.product__contents__preview::after {
  content: "";
  display: block;
  clear: both;
}

.product__contents__preview__thumbnail {
  position: relative;
  width: 580px;
  aspect-ratio: 580/463;
  border-radius: 30px;
  background: #f0f0f0;
  float: left;
}
.product__contents__preview__thumbnail img {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  object-fit: cover;
}

.product__contents__preview__information {
  position: relative;
  width: calc(100% - 610px);
  margin-left: 30px;
  float: left;
}

.product__contents__preview__information__photo {
  display: flex;
  position: relative;
  gap: 16px;
  padding-bottom: 25px;
  list-style: none;
}

.product__contents__preview__information__photo__item {
  position: relative;
  border-radius: 12px;
  background: #f0f0f0;
  width: 133px;
  height: 112px;
  flex-shrink: 0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product__contents__preview__information__photo__item:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.product__contents__preview__information__photo__item.active {
  border: 0;
  box-shadow: 0 4px 12px rgba(0, 172, 172, 0.3);
}

.product__contents__preview__information__photo__item img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: cover;
}

.product__contents__preview__information__paragraph {
  position: relative;
  padding-top: 25px;
  color: #555;
  font-family: Pretendard, sans-serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 140%;
  letter-spacing: -0.48px;
  border-top: 1px solid #cecece;
}

.product__contents__usage {
  display: flex;
  position: relative;
  margin-top: 200px;
  gap: 100px;
}

.product__contents__usage__title {
  color: #121212;
  font-family: Raleway, sans-serif;
  font-size: 44px;
  font-style: italic;
  font-weight: 400;
  line-height: 100%;
  letter-spacing: -0.88px;
  flex-shrink: 0;
}

.product__contents__usage__title span {
  font-size: 80px;
  font-weight: 700;
  letter-spacing: -1.6px;
}

.product__contents__usage__information {
  position: relative;
  width: 100%;
}

.product__contents__usage__information__paragraph {
  color: #222;
  font-family: Pretendard, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 140%;
  letter-spacing: -0.36px;
}

.product__contents__usage__information__paragraph caption {
  display: none;
}

.product__contents__usage__information__paragraph h4 {
  font-size: 30px;
  font-weight: 600;
  margin: 16px 0;
  position: relative;
}

.product__contents__usage__information__paragraph h5 {
  color: #00756d;
  font-size: 20px;
  font-weight: 600;
  margin-top: 16px;
}

.product__contents__usage__information__paragraph table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.product__contents__usage__information__paragraph table tr th,
.product__contents__usage__information__paragraph table tr td {
  border: 1px solid #ddd;
  padding: 16px;
  color: #666;
  font-size: 16px;
  vertical-align: middle;
}

.product__contents__usage__information__paragraph table tr th {
  background-color: #00a9aa;
  color: #fff;
  font-size: 18px;
  text-align: center;
}

.product__contents__usage__information__paragraph ul {
  margin-top: 16px;
  padding-left: 20px;
}

.product__contents__usage__information__paragraph ul li {
  list-style-type: disc;
  margin-top: 8px;
}

.product__contents__usage__information__paragraph span[style*="font-size:18pt"] {
  display: inline-block;
  color: #00756d;
  font-weight: 600;
  margin-top: 28px;
}

.product__contents__usage__information__paragraph span[style*="font-size:14pt"] {
  display: inline-block;
  color: #222;
  font-weight: 600;
}

.product__contents__usage__information__paragraph b,
.product__contents__usage__information__paragraph strong {
  font-weight: 700;
}

.product__contents__usage__information__image {
  position: relative;
  width: 863px;
  max-width: 100%;
  aspect-ratio: 863/417;
  border-radius: 25px;
  background: rgba(0, 0, 0, 0.2);
  margin: 60px auto 0;
}

.product__contents__description {
  position: relative;
  margin-top: 200px;
}

.product__contents__description__title {
  color: #121212;
  font-family: Raleway, sans-serif;
  font-size: 44px;
  font-style: italic;
  font-weight: 400;
  line-height: 100%;
  letter-spacing: -0.88px;
}

.product__contents__description__title span {
  font-size: 80px;
  font-weight: 700;
  letter-spacing: -1.6px;
}

.product__contents__description__information {
  position: relative;
}

.product__contents__description__information__subtitle {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  color: #454545;
  font-family: Pretendard, sans-serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 160%;
  letter-spacing: -0.72px;
  margin-top: 92px;
}

.product__contents__description__information__subtitle2 {
  color: #00776d;
  font-family: Pretendard, sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 140%;
  letter-spacing: -0.4px;
  margin-top: 44px;
}

.product__contents__description__information__paragraph {
  color: #222;
  font-family: Pretendard, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 160%;
  letter-spacing: -0.36px;
  margin-top: 28px;
}

.product__contents__description__information__paragraph caption {
  display: none;
}

.product__contents__description__information__paragraph h4 {
  font-size: 30px;
  font-weight: 600;
  margin: 60px 0 30px;
  position: relative;
  padding-top: 24px;
  padding-left: 24px;
  margin-left: -24px;
}
.product__contents__description__information__paragraph h4::before {
  content: "";
  width: 24px;
  height: 24px;
  background: url(/public/pngs/subtitle-icon.png) center no-repeat;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
}

.product__contents__description__information__paragraph h5 {
  color: #00756d;
  font-size: 20px;
  font-weight: 600;
  margin-top: 16px;
}

.product__contents__description__information__paragraph table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.product__contents__description__information__paragraph table tr th,
.product__contents__description__information__paragraph table tr td {
  border: 1px solid #ddd;
  padding: 16px;
  color: #666;
  font-size: 16px;
  vertical-align: middle;
}

.product__contents__description__information__paragraph table tr th {
  background-color: #00a9aa;
  color: #fff;
  font-size: 18px;
  text-align: center;
}

.product__contents__description__information__paragraph table tr td img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.product__contents__description__information__paragraph ul {
  margin-top: 16px;
  padding-left: 20px;
}

.product__contents__description__information__paragraph ul li {
  list-style-type: disc;
  margin-top: 8px;
}

.product__contents__description__information__paragraph span[style*="font-size:24pt"] {
  display: inline-block;
  font-weight: 600;
  margin: 60px 0 0;
  position: relative;
  padding-top: 24px;
  padding-left: 24px;
  margin-left: -24px;
}
.product__contents__description__information__paragraph span[style*="font-size:24pt"]::before {
  content: "";
  width: 24px;
  height: 24px;
  background: url(/public/pngs/subtitle-icon.png) center no-repeat;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
}

.product__contents__description__information__paragraph span[style*="font-size:18pt"] {
  display: inline-block;
  color: #00756d;
  font-weight: 600;
  margin-top: 28px;
}

.product__contents__description__information__paragraph span[style*="font-size:14pt"] {
  display: inline-block;
  color: #222;
  font-weight: 600;
}

.product__contents__description__information__paragraph b,
.product__contents__description__information__paragraph strong {
  font-weight: 700;
}

.product__contents__description__information__paragraph img {
  max-width: 900px;
  width: auto;
  height: auto;
  display: block;
}

.product__contents__description__information__list {
  color: #000;
  font-family: Pretendard, sans-serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 160%;
  letter-spacing: -0.4px;
  margin-top: 16px;
}

.product__contents__description__information__list span {
  color: #00acac;
}

.product__contents__description__information__list__item {
  color: #747474;
  font-size: 20px;
  font-weight: 400;
  line-height: 160%;
  letter-spacing: -0.4px;
}

.product__search {
  position: relative;
  margin-top: 304px;
  margin-bottom: -4px;
  width: 100%;
}

.product__search__background {
  position: relative;
  width: 100%;
}

.product__search__background img {
  width: 100%;
}

.product__search__contents {
  position: absolute;
  border-radius: 30px;
  background: linear-gradient(275deg, #ccf5f5 37.45%, #7ae6e5 101.84%);
  background: linear-gradient(
    275deg,
    color(display-p3 0.8325 0.956 0.9567) 37.45%,
    color(display-p3 0.5847 0.8924 0.8942) 101.84%
  );
  max-width: 1420px;
  width: 100%;
  padding: 58px 63.12px;
  padding-bottom: 50px;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  margin-top: 30px;
}

.product__search__contents__subtitle {
  color: #828282;
  color: color(display-p3 0.5096 0.5096 0.5096);
  font-family: Pretendard;
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
  letter-spacing: -0.32px;
}

.product__search__contents__title {
  margin-top: 10px;
  color: #2b2b2b;
  color: color(display-p3 0.1683 0.1683 0.1683);
  font-family: Raleway;
  font-size: 40px;
  font-style: normal;
  font-weight: 400;
  line-height: 140%; /* 56px */
}

.product__search__contents__form {
  display: flex;
  position: relative;
  margin-top: 30px;
  border-radius: 10px;
  width: fit-content;
  border: 1px solid #79a0ac;
}

.product__search__contents__form__category {
  display: flex;
  position: relative;
  border-radius: 10px 0 0 10px;
  border: 1px solid #79a0ac;
  border: 1px solid color(display-p3 0.5076 0.624 0.6683);
  background: #fff;
  align-items: center;
  overflow: hidden;
  padding-right: 16px;
}

.product__search__contents__form__category select {
  border: none;
  outline: none;
  padding: 10px 16px;
  padding-right: 0;
  color: #79a0ac;
  color: color(display-p3 0.5076 0.624 0.6683);
  font-family: Pretendard;
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
  letter-spacing: -0.32px;
  background-color: #fff;
}

.product__search__contents__form__input {
  display: flex;
  width: 270px;
  position: relative;
  border: 1px solid #79a0ac;
  border: 1px solid color(display-p3 0.5076 0.624 0.6683);
  background: #fff;
  background: color(display-p3 1 1 1);
  align-items: center;
}

.product__search__contents__form__input input {
  width: 100%;
  border: none;
  outline: none;
  padding: 10px 16px;
  font-family: Pretendard;
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
  letter-spacing: -0.32px;
}

.product__search__contents__form__button {
  cursor: pointer;
  position: relative;
  border-radius: 0 10px 10px 0;
  background: #79a0ac;
  background: color(display-p3 0.5076 0.624 0.6683);
  display: flex;
  padding: 10px 16px;
  align-items: center;
  justify-content: center;
}

.product__search__contents__form__button button {
  color: #fff;
  color: color(display-p3 1 1 1);
  font-family: Pretendard;
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
  letter-spacing: -0.32px;
  border: none;
  outline: none;
  background: none;
}

/* --- 📱 반응형 스타일 --- */
@media (max-width: 1440px) {
  .product__intro__contents,
  .product__search__contents {
    padding-left: 40px;
    padding-right: 40px;
  }
  .product__intro__contents {
    padding-bottom: 220px;
  }
  .product__intro__menu {
    width: 820px;
    margin: 0 auto;
    padding-left: 0;
    left: 50%;
    transform: translateX(-50%);
    justify-content: center;
  }
  .product__intro__menu:nth-of-type(4) {
    display: none;
  }
  .product__search__contents {
    width: calc(100% - 80px);
  }
}

@media (max-width: 1024px) {
  .product {
    padding-top: 80px;
  }
  .product__intro__contents {
    padding: 200px 40px 220px;
  }
  .product__intro__contents__title {
    font-size: 70px;
  }
  .product__intro__contents__paragraph {
    font-size: 24px;
    margin-top: 10px;
  }

  .product__contents {
    padding: 100px 40px;
  }
  .product__contents__title {
    font-size: 50px;
  }
  .product__contents__preview__thumbnail {
    width: 100%;
    float: none;
  }
  .product__contents__preview__information {
    width: 100%;
    float: none;
    margin-left: 0;
  }
  .product__contents__preview__information__photo {
    overflow-x: auto;
  }
  .product__contents__usage {
    flex-direction: column;
    gap: 30px;
    margin-top: 150px;
  }
  .product__contents__description,
  .product__contents__usage {
    margin-top: 120px;
  }

  .product__search {
    margin-top: 0;
  }
  .product__search__contents {
    width: 100%;
    transform: translateX(-50%) translateY(-50%) scale(0.9);
  }
  .product__search__contents__title {
    font-size: 32px;
  }
}

@media (max-width: 768px) {
  .product {
    padding-top: 80px;
  }
  .product__intro__contents {
    padding: 80px 20px 230px;
    align-items: center;
    text-align: center;
  }
  .product__intro__contents__title {
    font-size: 42px;
  }
  .product__intro__contents__paragraph {
    font-size: 18px;
  }

  .product__intro__menu {
    width: 100%;
    transform: none;
    left: 0;
    padding: 15px;
    box-sizing: border-box;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
  }
  .product__intro__menu__item {
    min-width: auto;
    width: calc(33.33% - 10px);
    font-size: 14px;
    padding: 10px 5px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .product__intro__menu__item.en {
    width: auto;
  }
  .product__intro__menu__item.en a {
    font-size: 12px;
  }
  .product__intro__menu__bar {
    display: none;
  }

  .product__contents {
    padding: 80px 20px;
  }
  .product__contents__title {
    font-size: 36px;
  }
  .product__contents__preview__information {
    margin-top: 30px;
  }
  .product__contents__preview__information__paragraph {
    font-size: 18px;
  }
  .product__contents__usage__title,
  .product__contents__description__title {
    font-size: 32px;
  }
  .product__contents__usage__title span,
  .product__contents__description__title span {
    font-size: 50px;
  }
  .product__contents__usage,
  .product__contents__description {
    margin-top: 100px;
    gap: 20px;
  }
  .product__contents__usage__information__paragraph {
    font-size: 16px;
  }
  .product__contents__description__information__subtitle {
    font-size: 24px;
    margin-top: 60px;
  }
  .product__contents__description__information__subtitle2 {
    font-size: 18px;
    margin-top: 30px;
  }
  .product__contents__description__information__paragraph,
  .product__contents__description__information__list,
  .product__contents__description__information__list__item {
    font-size: 16px;
  }
  .product__contents__description__information__paragraph {
    overflow-x: auto;
  }
  .product__contents__description__information__paragraph h4 {
    margin-top: 30px;
    margin-bottom: 20px;
  }
  .product__contents__description__information__paragraph span[style*="font-size:24pt"] {
    margin-top: 30px;
    line-height: 1em;
  }

  .product__search {
    margin-top: 80px;
    padding-bottom: 0;
  }
  .product__search__background {
    display: none;
  }
  .product__search__contents {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin: 0;
    width: 100%;
    border-radius: 0;
    padding: 60px 20px;
  }
  .product__search__contents__title {
    font-size: 24px;
  }
  .product__search__contents__form {
    display: flex;
    flex-direction: row;
    width: 100%;
    border: none;
    border-radius: 0;
    gap: 0;
  }
  .product__search__contents__form__category {
    width: auto;
    flex-shrink: 0;
    border-radius: 10px 0 0 10px;
    border: 1px solid #79a0ac;
  }
  .product__search__contents__form__category select {
    font-size: 14px;
    padding: 10px 8px;
    padding-right: 25px;
    background-position: right 8px center;
  }
  .product__search__contents__form__input {
    flex-grow: 1;
    width: auto;
    border-radius: 0;
    border: 1px solid #79a0ac;
    border-left: none;
    border-right: none;
  }
  .product__search__contents__form__input input {
    font-size: 14px;
  }
  .product__search__contents__form__button {
    border-radius: 0 10px 10px 0;
    border: 1px solid #79a0ac;
    border-left: none;
  }
  .product__search__contents__form__button button {
    font-size: 14px;
  }
}