:root {
  --white: #ffffff;
  --ink: #1a1a1a;
  --gray: #666666;
  --light-gray: #f4f4f4;
  --line: #e5e5e5;
  --pink: #f7c8d4;
  --pink-soft: #fbe3ea;
  --blue: #bfe0f2;
  --blue-soft: #e2f1f9;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--white); }

body {
  font-family: "Noto Sans JP", "Montserrat", sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo { margin: 0; font-size: inherit; font-weight: inherit; line-height: 0; }

.logo {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 1px;
}

.eyebrow {
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--gray);
  display: block;
  margin-bottom: 28px;
}

.link-arrow {
  font-family: "Montserrat", sans-serif;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--ink);
  display: inline-block;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
  transition: opacity .25s;
}
.link-arrow:hover { opacity: .6; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Montserrat", sans-serif;
  font-size: 13px;
  letter-spacing: 1px;
  padding: 14px 30px;
  transition: all .25s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: #000; }
.btn--outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--white); }
.btn--white { background: var(--white); color: var(--ink); padding: 12px 26px; }
.btn--white:hover { background: var(--ink); color: var(--white); }

.btn--oil { background: var(--pink); color: var(--ink); }
.btn--oil:hover { opacity: 0.5; transition-property: opacity; transition-duration: 0.7s; }
.btn--milk { background: var(--blue); color: var(--ink); }
.btn--milk:hover { opacity: 0.5; transition-property: opacity; transition-duration: 0.7s; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav { display: flex; gap: 32px; }
.nav a {
  font-family: "Montserrat", sans-serif;
  font-size: 13px;
  letter-spacing: 1px;
  transition: opacity .2s;
}
.nav a:hover { opacity: .55; }
.header__actions { display: flex; align-items: center; gap: 16px; }
.btn--shop { padding: 11px 24px; font-size: 12px; }
.icon-btn {
  background: none; border: none; cursor: pointer; color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px; height: 30px;
  background: none; border: none; cursor: pointer;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--ink);
  transition: transform .3s, opacity .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  flex-direction: column;
  padding: 24px;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  transition: transform .35s ease;
  z-index: 99;
  display: none;
}
.mobile-menu a {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  letter-spacing: 1px;
}
.mobile-menu.open { transform: translateY(0); }

/* Hero */
.hero { padding: 40px 0 60px; background: var(--white); }
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 40px;
}
.hero__title {
  font-size: 46px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.hero__lead { color: var(--gray); font-size: 15px; margin-bottom: 32px; }
.hero__btns { display: flex; gap: 14px; }
.hero__image img { width: 100%; }

/* Texture design */
.texture-design { padding: 90px 0; background: var(--light-gray); }
.texture-design__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: start;
}
.texture-design__title {
  font-family: "Montserrat", sans-serif;
  font-weight: 300;
  font-size: 88px;
  line-height: 1;
  letter-spacing: 2px;
  color: #cfcfcf;
}
.texture-design__head { font-size: 20px; font-weight: 500; line-height: 1.7; margin-bottom: 20px; }
.texture-design__body { color: var(--gray); font-size: 14px; margin-bottom: 28px; }

/* Products */
.products { display: grid; grid-template-columns: 1fr 1fr; }
.product-card {
  position: relative;
  padding: 70px 60px;
  min-height: 440px;
  overflow: hidden;
}
.product-card--oil { background: var(--pink-soft); }
.product-card--milk { background: var(--blue-soft); }
.product-card__label {
  font-family: "Montserrat", sans-serif;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--gray);
  display: block;
  margin-bottom: 18px;
}
.product-card__title { font-size: 26px; font-weight: 500; line-height: 1.5; margin-bottom: 16px; }
.product-card__desc { font-size: 14px; color: var(--gray); margin-bottom: 28px; max-width: 60%; }
.product-card__img {
  position: absolute;
  right: -65px; bottom: 0;
  width: 70%;
  max-width: 385px;
}

/* Technology */
.technology { padding: 90px 0; }
.technology__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
}
.technology__title {
  font-family: "Montserrat", sans-serif;
  font-weight: 500;
  font-size: 40px;
  letter-spacing: 1px;
}
.technology__sub { font-family: "Montserrat", sans-serif; font-size: 16px; color: var(--gray); margin-bottom: 22px; }
.technology__body { font-size: 14px; color: var(--gray); margin-bottom: 26px; }
.technology__features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature svg { width: 42px; height: 42px; color: var(--ink); margin-bottom: 16px; }
.feature h4_unused { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.feature p { font-size: 12px; color: var(--gray); line-height: 1.6; }

/* Texture split */
.texture-split { display: grid; grid-template-columns: 1fr 1fr; }
.texture-split__half {
  min-height: 320px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 0 56px;
  position: relative;
}
.texture-split__half::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.35), rgba(0,0,0,.05));
}
.texture-split__content { position: relative; color: var(--white); }
.texture-split__content h3 {
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  font-size: 46px;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.texture-split__content p { font-size: 14px; }

/* Before / After */
.before-after { padding: 80px 0; }
.ba__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.ba__item { position: relative; }
.ba__item img { width: 100%; height: 340px; object-fit: cover; background: var(--light-gray); }
.ba__tag {
  position: absolute; top: 16px; left: 16px;
  font-family: "Montserrat", sans-serif;
  font-size: 13px; letter-spacing: 1px;
  background: rgba(255,255,255,.85);
  padding: 6px 14px;
}
.ba__arrow {
  width: 60px; height: 60px; border-radius: 50%;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
}
.ba__arrow svg { width: 24px; height: 24px; }
.ba__note { text-align: right; font-size: 12px; color: var(--gray); margin-top: 16px; }


/* News */
.news {
  padding: 40px 0 80px;
}

.news__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}

.news__head .eyebrow {
  margin-bottom: 24px;
}

.news__scroll {
  max-height: 365px;
  overflow-y: auto;
  overflow-x: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  scrollbar-color: #bdbdbd transparent;
  scrollbar-gutter: stable;
}

.news__scroll::-webkit-scrollbar {
  width: 6px;
}

.news__scroll::-webkit-scrollbar-track {
  background: transparent;
}

.news__scroll::-webkit-scrollbar-thumb {
  background: #bdbdbd;
  border-radius: 999px;
}

.news__list {
  list-style: none;
}

.news__item {
  border-bottom: 1px solid var(--line);
}

.news__item:last-child {
  border-bottom: none;
}

.news__link {
  display: grid;
  grid-template-columns: 120px 110px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 16px 18px 16px 0;
  /*transition: opacity .25s ease;*/
}

/*.news__link:hover {
  opacity: .55;
}*/

.news__date {
  font-family: "Montserrat", sans-serif;
  font-size: 12px;
  letter-spacing: .5px;
  color: var(--gray);
  white-space: nowrap;
}

.news__category {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-width: 78px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  font-family: "Montserrat", sans-serif;
  font-size: 10px;
  letter-spacing: 1px;
  line-height: 1.4;
  color: var(--gray);
  white-space: nowrap;
}

.news__title {
  min-width: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}

.news__arrow {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  color: var(--ink);
  text-align: right;
}

/* Reviews */
/* Reviews */
.reviews {
  padding: 40px 0 90px;
}

.reviews__wrap {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* レビューを横一列に並べてスライドさせる */
.reviews__track {
  display: flex;
  gap: 20px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  transition: transform .4s ease;
}

.review {
  border: 1px solid var(--line);
  padding: 28px 22px;
  min-height: 160px;

  /* PCでは4枚表示 */
  flex: 0 0 calc((100% - 60px) / 4);
}

.stars {
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.review__text {
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.review__meta {
  font-size: 12px;
  color: var(--gray);
}

.reviews__nav {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background .2s, color .2s;
}

.reviews__nav:hover {
  background: var(--ink);
  color: var(--white);
}

.reviews__nav svg {
  width: 20px;
  height: 20px;
}

.reviews__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
}

.reviews__dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--line);
  cursor: pointer;
  padding: 0;
}

.reviews__dots button.active {
  background: var(--ink);
}
.stars { color: var(--ink); font-size: 14px; letter-spacing: 2px; margin-bottom: 16px; }
.review__text { font-size: 13px; line-height: 1.7; margin-bottom: 18px; }
.review__meta { font-size: 12px; color: var(--gray); }
.reviews__nav {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--white);
  cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink); transition: background .2s, color .2s;
}
.reviews__nav:hover { background: var(--ink); color: var(--white); }
.reviews__nav svg { width: 20px; height: 20px; }
.reviews__dots { display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.reviews__dots button {
  width: 8px; height: 8px; border-radius: 50%;
  border: none; background: var(--line); cursor: pointer; padding: 0;
}
.reviews__dots button.active { background: var(--ink); }

/* Journal */
.journal { padding: 40px 0 100px; }
.journal__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.jcard__img { overflow: hidden; margin-bottom: 16px; }
.jcard__img img { width: 100%; height: 180px; object-fit: cover; transition: transform .4s; }
.jcard:hover .jcard__img img { transform: scale(1.05); }
.jcard h4 { font-size: 14px; font-weight: 500; line-height: 1.6; margin-bottom: 10px; }
.jcard__date { font-family: "Montserrat", sans-serif; font-size: 12px; color: var(--gray); }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 50px 0 30px; }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer__nav { display: flex; gap: 28px; }
.footer__nav a {
  font-family: "Montserrat", sans-serif;
  font-size: 13px; letter-spacing: 1px;
  transition: opacity .2s;
}
.footer__nav a:hover { opacity: .55; }
.footer__links { display: flex; align-items: center; gap: 24px; }
.footer__links a {
  font-family: "Montserrat", sans-serif;
  font-size: 13px; letter-spacing: .5px;
}
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom p { font-size: 12px; color: var(--gray); }
.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: 12px; color: var(--gray); }

/* ============ Responsive ============ */
@media (max-width: 900px) {


  /* News - Mobile */
  .news {
    padding: 30px 0 60px;
  }

  .news__head {
    align-items: flex-start;
  }

  .news__head .link-arrow {
    margin-top: 0;
    font-size: 11px;
    white-space: nowrap;
  }

  .news__scroll {
    max-height: 420px;
  }

  .news__link {
    grid-template-columns: 88px 1fr 20px;
    grid-template-areas:
      "date category arrow"
      "title title arrow";
    column-gap: 12px;
    row-gap: 6px;
    min-height: 84px;
    padding: 14px 12px 14px 0;
  }

  .news__date {
    grid-area: date;
    font-size: 10px;
  }

  .news__category {
    grid-area: category;
    min-width: 0;
    width: fit-content;
    padding: 3px 9px;
    font-size: 9px;
  }

  .news__title {
    grid-area: title;
    font-size: 12px;
    line-height: 1.65;
  }

  .news__arrow {
    grid-area: arrow;
    align-self: center;
    font-size: 14px;
  }
  .nav { display: none; }
  .btn--shop { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__image { order: -1; max-width: 420px; margin: 0 auto; }
  .hero__title { font-size: 34px; }
  .hero__btns { justify-content: center; }

  .texture-design__inner { grid-template-columns: 1fr; gap: 30px; }
  .texture-design__title { font-size: 60px; }

  .products { grid-template-columns: 1fr; }
  .product-card { min-height: 380px; padding: 50px 36px; }
  .product-card__desc { max-width: 55%; }

  .technology__inner { grid-template-columns: 1fr; gap: 40px; }
  .technology__features { grid-template-columns: 1fr; gap: 20px; }
  .feature { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 16px; }
  .feature svg { margin-bottom: 0; }
.feature p {
    grid-column: 1 / -1;
    width: 100%;
  }
  .texture-split { grid-template-columns: 1fr; }

  .ba__grid { grid-template-columns: 1fr; }
  .ba__arrow { margin: 0 auto; transform: rotate(90deg); }
  .ba__item img { height: 300px; }

/* Reviews - Mobile */
.reviews__track {
  display: block;
  overflow: hidden;
  transform: none !important;
}

.reviews__track .review {
  display: none;
  width: 100%;
  flex: none;
}

.reviews__track.mobile .review {
  display: none;
}

.reviews__track.mobile .review.active {
  display: block;
}

  .journal__grid { grid-template-columns: 1fr 1fr; gap: 20px; }

  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__nav { flex-wrap: wrap; gap: 18px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .hero__title { font-size: 28px; }
  .texture-design__title { font-size: 46px; }
  .product-card__desc { max-width: 60%; }
  .journal__grid { grid-template-columns: 1fr; }
  .footer__legal { flex-direction: column; gap: 8px; }
}
/* Movie */
.movie {
  padding: 80px 0 90px;
  background: var(--white);
}

.movie__content {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.movie__video {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--light-gray);
  aspect-ratio: 16 / 9;
}

.movie__video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Movie - Mobile */
@media (max-width: 900px) {
  .movie {
    padding: 60px 0 70px;
  }

  .movie__content {
    max-width: none;
  }

  .movie__video {
    aspect-ratio: 16 / 9;
  }
}
/* Hero */
.hero {
  padding: 40px 0 60px;
  background: var(--white);
}

.hero__visual {
  width: 100%;
  overflow: hidden;
}

.hero__visual picture {
  display: block;
  width: 100%;
}

.hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

/* Hero - Mobile */
@media (max-width: 900px) {
  .hero {
    padding: 24px 0 40px;
  }

  .hero__visual {
    width: 100%;
  }
}

.privacy {
  padding: 100px 0 120px;
  background: var(--white);
}

.privacy__heading {
  margin-bottom: 56px;
}

.privacy__title {
  font-size: 40px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 2px;
}

.privacy__content {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  color: var(--gray);
  font-size: 14px;
  line-height: 2;
}

.privacy__content > p:first-child {
  margin-bottom: 48px;
}

.privacy__section {
  margin-top: 48px;
}

.privacy__section h2 {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.5px;
}

.privacy__section p {
  margin: 0;
}

.privacy__section ol {
  margin: 12px 0 0;
  padding-left: 1.8em;
}

.privacy__section ol ol {
  margin-top: 6px;
}

.privacy__section li {
  padding-left: 0.2em;
}

.privacy__contact {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.privacy__contact > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--line);
}

.privacy__contact dt,
.privacy__contact dd {
  margin: 0;
  padding: 14px 18px;
}

.privacy__contact dt {
  background: var(--light-gray);
  color: var(--ink);
  font-weight: 500;
}

.privacy__contact dd a {
  transition: opacity .2s;
}

.privacy__contact dd a:hover {
  opacity: .55;
}

.privacy__end {
  margin-top: 56px;
  text-align: right;
  color: var(--ink);
}

@media (max-width: 900px) {
  .privacy {
    padding: 70px 0 80px;
  }

  .privacy__heading {
    margin-bottom: 40px;
  }

  .privacy__title {
    font-size: 32px;
  }

  .privacy__content {
    font-size: 13px;
    line-height: 1.9;
  }

  .privacy__section {
    margin-top: 40px;
  }

  .privacy__section h2 {
    font-size: 17px;
  }

  .privacy__contact > div {
    grid-template-columns: 140px 1fr;
  }

  .privacy__contact dt,
  .privacy__contact dd {
    padding: 12px 14px;
  }
}

@media (max-width: 520px) {
  .privacy {
    padding: 55px 0 70px;
  }

  .privacy__title {
    font-size: 28px;
  }

  .privacy__content > p:first-child {
    margin-bottom: 36px;
  }

  .privacy__section {
    margin-top: 36px;
  }

  .privacy__section h2 {
    margin-bottom: 14px;
    padding-bottom: 10px;
    font-size: 16px;
  }

  .privacy__section ol {
    padding-left: 1.6em;
  }

  .privacy__contact > div {
    grid-template-columns: 1fr;
  }

  .privacy__contact dt {
    padding-bottom: 4px;
    border-bottom: 0;
  }

  .privacy__contact dd {
    padding-top: 4px;
  }

  .privacy__end {
    margin-top: 44px;
  }
}


/* Company */
.company {
  padding: 100px 0 120px;
  background: var(--white);
}

.company__heading {
  margin-bottom: 56px;
}

.company__title {
  font-size: 40px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 2px;
}

.company__table-wrap {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.company__table {
  border-top: 1px solid var(--line);
}

.company__row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--line);
}

.company__row dt,
.company__row dd {
  margin: 0;
  padding: 24px 28px;
  font-size: 14px;
  line-height: 1.8;
}

.company__row dt {
  background: var(--light-gray);
  font-weight: 500;
}

.company__row dd {
  color: var(--gray);
}

.company__row dd a {
  transition: opacity .2s;
}

.company__row dd a:hover {
  opacity: .55;
}

@media (max-width: 900px) {
  .company {
    padding: 70px 0 80px;
  }

  .company__heading {
    margin-bottom: 40px;
  }

  .company__title {
    font-size: 32px;
  }

  .company__row {
    grid-template-columns: 120px 1fr;
  }

  .company__row dt,
  .company__row dd {
    padding: 18px 16px;
    font-size: 13px;
  }
}

@media (max-width: 520px) {
  .company {
    padding: 55px 0 70px;
  }

  .company__title {
    font-size: 28px;
  }

  .company__row {
    grid-template-columns: 1fr;
  }

  .company__row dt,
  .company__row dd {
    padding: 14px 16px;
  }

  .company__row dt {
    padding-bottom: 6px;
    border-bottom: 0;
  }

  .company__row dd {
    padding-top: 6px;
  }
}


/* SEO additions */
h2.eyebrow { font-weight: 400; line-height: inherit; }
.feature h3 { font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.movie__video video { width: 100%; height: auto; aspect-ratio: 16 / 9; }