.hb-shorts-guide {
  --hb-ink: #111111;
  --hb-copy: #333333;
  --hb-muted: #6d6d6d;
  --hb-line: #dedede;
  --hb-soft: #f5f5f5;
  --hb-white: #ffffff;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  color: var(--hb-copy);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.72;
}

.hb-shorts-guide,
.hb-shorts-guide * {
  box-sizing: border-box;
}

.hb-shorts-guide h1,
.hb-shorts-guide h2,
.hb-shorts-guide h3,
.hb-shorts-guide p,
.hb-shorts-guide ul,
.hb-shorts-guide figure {
  margin-top: 0;
}

.hb-shorts-guide h1 {
  max-width: 980px;
  margin-bottom: 24px;
  color: var(--hb-ink);
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.hb-shorts-guide h2 {
  margin: 68px 0 22px;
  padding-top: 20px;
  border-top: 2px solid var(--hb-ink);
  color: var(--hb-ink);
  font-size: clamp(27px, 3vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.hb-shorts-guide h3 {
  margin: 30px 0 12px;
  color: var(--hb-ink);
  font-size: 21px;
  line-height: 1.3;
}

.hb-shorts-guide p {
  margin-bottom: 18px;
}

.hb-shorts-guide a {
  color: var(--hb-ink);
  font-weight: 700;
  text-decoration-color: #8a8a8a;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.hb-shorts-guide a:hover {
  text-decoration-color: var(--hb-ink);
}

.hb-shorts-guide ul {
  margin-bottom: 24px;
  padding-left: 24px;
}

.hb-shorts-guide li {
  margin-bottom: 10px;
}

.hb-shorts-guide .hb-lede {
  max-width: 920px;
  margin-bottom: 30px;
  color: #262626;
  font-size: 20px;
  line-height: 1.65;
}

.hb-shorts-guide .hb-toc {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin: 30px 0 42px;
  padding: 18px;
  border: 1px solid var(--hb-line);
  background: var(--hb-soft);
}

.hb-shorts-guide .hb-toc a {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid #bdbdbd;
  background: var(--hb-white);
  font-size: 14px;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.hb-shorts-guide .hb-toc a:hover {
  border-color: var(--hb-ink);
  background: var(--hb-ink);
  color: var(--hb-white);
}

.hb-shorts-guide .hb-start-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.hb-shorts-guide .hb-start-item {
  padding: 24px;
  border: 1px solid var(--hb-line);
  background: var(--hb-white);
}

.hb-shorts-guide .hb-start-item strong {
  display: block;
  margin-bottom: 9px;
  color: var(--hb-ink);
  font-size: 15px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.hb-shorts-guide .hb-start-item span {
  display: block;
  color: var(--hb-muted);
  font-size: 15px;
  line-height: 1.55;
}

.hb-shorts-guide .hb-preflight {
  margin: 28px 0;
  padding: 24px 26px;
  border-left: 5px solid var(--hb-ink);
  background: var(--hb-soft);
}

.hb-shorts-guide .hb-preflight strong {
  color: var(--hb-ink);
}

.hb-shorts-guide .hb-preflight ul {
  margin: 14px 0 0;
}

.hb-shorts-guide .hb-rotation-map {
  margin: 32px 0;
  border-top: 2px solid var(--hb-ink);
}

.hb-shorts-guide .hb-rotation-row {
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) minmax(230px, 1.3fr) minmax(180px, 0.9fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hb-line);
}

.hb-shorts-guide .hb-rotation-row strong {
  color: var(--hb-ink);
}

.hb-shorts-guide .hb-rotation-row span {
  color: var(--hb-muted);
}

.hb-shorts-guide .hb-look {
  margin: 0;
  padding: 34px 0;
  border-bottom: 1px solid var(--hb-line);
}

.hb-shorts-guide .hb-look-heading {
  display: grid;
  grid-template-columns: minmax(118px, auto) 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hb-line);
}

.hb-shorts-guide .hb-look-label {
  display: inline-block;
  padding: 8px 11px;
  border: 1px solid var(--hb-ink);
  color: var(--hb-ink);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.hb-shorts-guide .hb-look-heading h3 {
  margin: 0;
  font-size: clamp(22px, 2.5vw, 28px);
}

.hb-shorts-guide .hb-product-row {
  display: grid;
  grid-template-columns: minmax(320px, 0.94fr) minmax(340px, 1.06fr);
  gap: 0;
  margin: 44px 0;
  overflow: hidden;
  border-top: 2px solid var(--hb-ink);
  border-bottom: 1px solid var(--hb-line);
  background: var(--hb-soft);
}

.hb-shorts-guide .hb-product-visual {
  position: relative;
  display: block;
  min-height: 470px;
  overflow: hidden;
  border-right: 1px solid var(--hb-line);
  background: var(--hb-white);
}

.hb-shorts-guide .hb-product-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--hb-white);
  transition: opacity 0.35s ease, transform 0.45s ease;
}

.hb-shorts-guide .hb-img-primary {
  opacity: 1;
}

.hb-shorts-guide .hb-img-hover {
  opacity: 0;
}

.hb-shorts-guide .hb-product-row:hover .hb-img-primary {
  opacity: 0;
}

.hb-shorts-guide .hb-product-row:hover .hb-img-hover {
  opacity: 1;
}

.hb-shorts-guide .hb-product-row:hover .hb-product-visual img {
  transform: scale(1.012);
}

.hb-shorts-guide .hb-product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 48px);
}

.hb-shorts-guide .hb-product-use {
  margin-bottom: 10px;
  color: var(--hb-muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hb-shorts-guide .hb-product-copy h3 {
  margin-top: 0;
}

.hb-shorts-guide .hb-match-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 8px 0 18px;
  border: 1px solid var(--hb-line);
  background: var(--hb-line);
}

.hb-shorts-guide .hb-match-strip span {
  padding: 10px;
  background: var(--hb-white);
  color: var(--hb-muted);
  font-size: 13px;
  line-height: 1.35;
  text-align: center;
}

.hb-shorts-guide .hb-button {
  align-self: flex-start;
  display: inline-block;
  margin-top: 8px;
  padding: 12px 18px;
  border: 1px solid var(--hb-ink);
  background: var(--hb-ink);
  color: var(--hb-white);
  font-size: 14px;
  text-decoration: none;
}

.hb-shorts-guide .hb-button:hover {
  background: var(--hb-white);
  color: var(--hb-ink);
}

.hb-shorts-guide .hb-styling-tip {
  margin: 18px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--hb-line);
  color: var(--hb-muted);
}

.hb-shorts-guide .hb-styling-tip strong {
  color: var(--hb-ink);
}

.hb-shorts-guide .hb-proportion-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.hb-shorts-guide .hb-proportion-card {
  padding: 24px;
  border: 1px solid var(--hb-line);
  background: var(--hb-soft);
}

.hb-shorts-guide .hb-proportion-card h3 {
  margin-top: 0;
}

.hb-shorts-guide .hb-control {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  margin: 18px 0;
  color: var(--hb-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hb-shorts-guide .hb-control-line {
  height: 1px;
  background: var(--hb-ink);
}

.hb-shorts-guide .hb-scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.hb-shorts-guide .hb-scene {
  padding: 20px 22px;
  border-top: 3px solid var(--hb-ink);
  background: var(--hb-soft);
}

.hb-shorts-guide .hb-scene strong {
  display: block;
  margin-bottom: 6px;
  color: var(--hb-ink);
}

.hb-shorts-guide .hb-scene span {
  color: var(--hb-muted);
  font-size: 15px;
  line-height: 1.55;
}

.hb-shorts-guide .hb-fix-list {
  margin: 28px 0;
  border-top: 1px solid var(--hb-line);
}

.hb-shorts-guide .hb-fix {
  display: grid;
  grid-template-columns: minmax(190px, 0.72fr) minmax(280px, 1.28fr);
  gap: 24px;
  padding: 19px 0;
  border-bottom: 1px solid var(--hb-line);
}

.hb-shorts-guide .hb-fix strong {
  color: var(--hb-ink);
}

.hb-shorts-guide .hb-fix span {
  color: var(--hb-muted);
}

.hb-shorts-guide .hb-faq details {
  margin-bottom: 12px;
  border: 1px solid var(--hb-line);
  background: var(--hb-white);
}

.hb-shorts-guide .hb-faq summary {
  padding: 18px 20px;
  color: var(--hb-ink);
  font-weight: 700;
  cursor: pointer;
}

.hb-shorts-guide .hb-faq details p {
  padding: 0 20px 20px;
  margin-bottom: 0;
}

.hb-shorts-guide .hb-final {
  margin-top: 64px;
  padding: clamp(28px, 5vw, 52px);
  border: 2px solid var(--hb-ink);
  background: var(--hb-soft);
}

.hb-shorts-guide .hb-final h2 {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.hb-shorts-guide .hb-final .hb-button {
  margin-top: 14px;
}

@media (max-width: 780px) {
  .hb-shorts-guide {
    font-size: 16px;
    line-height: 1.68;
  }

  .hb-shorts-guide h2 {
    margin-top: 54px;
  }

  .hb-shorts-guide .hb-start-grid,
  .hb-shorts-guide .hb-rotation-row,
  .hb-shorts-guide .hb-product-row,
  .hb-shorts-guide .hb-proportion-grid,
  .hb-shorts-guide .hb-scene-grid,
  .hb-shorts-guide .hb-fix {
    grid-template-columns: 1fr;
  }

  .hb-shorts-guide .hb-look-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hb-shorts-guide .hb-look-label {
    justify-self: start;
  }

  .hb-shorts-guide .hb-product-visual {
    min-height: 390px;
    border-right: 0;
    border-bottom: 1px solid var(--hb-line);
  }

  .hb-shorts-guide .hb-toc {
    flex-wrap: wrap;
  }

  .hb-shorts-guide .hb-toc a {
    flex: 1 1 calc(50% - 10px);
  }
}

@media (max-width: 460px) {
  .hb-shorts-guide .hb-toc a {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hb-shorts-guide .hb-product-visual img {
    transition: none;
  }
}