.walkthrough {
  padding: 70px 0 170px;
}

.product-tour {
  margin-top: 88px;
  border-top: 1px solid var(--line);
}

.product-tour__step {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  align-items: center;
  gap: clamp(44px, 7vw, 100px);
  padding: 82px 0;
  border-bottom: 1px solid var(--line);
}

.product-tour__step:nth-child(even) .product-tour__media {
  order: 2;
}

.product-tour__step:nth-child(even) .product-tour__copy {
  order: 1;
  justify-self: end;
}

.product-tour__step--curation {
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

.product-tour__step.product-tour__step--curation .product-tour__media {
  order: initial;
  width: min(1022px, 100%);
  margin-inline: auto;
}

.product-tour__step.product-tour__step--curation .product-tour__copy {
  order: initial;
  justify-self: start;
  max-width: 48rem;
}

.product-tour__media {
  position: relative;
  min-width: 0;
  margin: 0;
}

.product-tour__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 36px 90px rgba(0, 0, 0, .52), 0 0 70px rgba(75, 129, 255, .1);
}

.product-tour__media figcaption {
  margin-top: 12px;
  color: var(--muted);
  font: 700 9px/1.5 ui-monospace, monospace;
  letter-spacing: .08em;
  text-align: right;
}

.product-tour__media--portrait {
  display: grid;
  min-height: 560px;
  place-items: center;
  background: radial-gradient(circle at 50% 48%, rgba(62, 130, 255, .16), transparent 57%);
}

.product-tour__media--portrait img {
  width: min(258px, 64%);
  border-radius: 8px;
}

.product-tour__media--portrait figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
}

.product-tour__media--detail img {
  width: min(370px, 74%);
}

.product-tour__media--wide img {
  background: var(--bg);
}

.product-tour__copy {
  max-width: 34rem;
}

.product-tour__copy h3 {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif KR", serif;
  font-size: clamp(2.1rem, 3.5vw, 4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.035em;
  word-break: keep-all;
}

.product-tour__role {
  margin: 18px 0 0;
  color: var(--cyan);
  font: 800 10px/1.4 ui-monospace, monospace;
  letter-spacing: .13em;
}

.product-tour__copy > p:not(.product-tour__role) {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  word-break: keep-all;
}

.product-tour__copy dl {
  margin: 31px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
}

.product-tour__copy dl > div {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.product-tour__copy dt {
  color: var(--lichen);
  font-size: 10px;
  font-weight: 800;
}

.product-tour__copy dd {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
}

@media (max-width: 980px) {
  .walkthrough {
    padding-top: 40px;
  }

  .product-tour__step {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }

  .product-tour__step:nth-child(even) .product-tour__media,
  .product-tour__step:nth-child(even) .product-tour__copy {
    order: initial;
    justify-self: initial;
  }

  .product-tour__media {
    width: min(820px, 100%);
    margin-inline: auto;
  }

  .product-tour__copy {
    max-width: 42rem;
  }
}

@media (max-width: 680px) {
  .walkthrough {
    padding: 28px 0 100px;
  }

  .product-tour {
    margin-top: 54px;
  }

  .product-tour__step {
    gap: 34px;
    padding: 54px 0;
  }

  .product-tour__media img {
    border-radius: 8px;
  }

  .product-tour__media--portrait {
    min-height: 0;
    gap: 12px;
    padding: 24px 0;
  }

  .product-tour__media--portrait img {
    width: min(238px, 78%);
  }

  .product-tour__media--detail img {
    width: min(320px, 88%);
  }

  .product-tour__media--portrait figcaption {
    position: static;
    justify-self: end;
    margin-top: 0;
  }

  .product-tour__media--curation {
    overflow: hidden;
  }

  .product-tour__media--curation img {
    width: 145%;
    max-width: none;
  }

  .product-tour__copy dl > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
  }
}