.e-book-columns {
  overflow: hidden;
  background: var(--ebc-background);
  color: var(--ebc-text);
}

.e-book-columns .ebc-shell {
  display: block;
  padding-top: var(--ebc-padding-top);
  padding-bottom: var(--ebc-padding-bottom);
}

.e-book-columns .ebc-intro {
  width: min(100%, 760px);
  padding-top: 20px;
  margin-bottom: 36px;
}

.e-book-columns .ebc-intro--left {
  margin-right: auto;
  text-align: left;
}

.e-book-columns .ebc-intro--center {
  margin-inline: auto;
  text-align: center;
}

.e-book-columns .ebc-intro--right {
  margin-left: auto;
  text-align: right;
}

.e-book-columns .ebc-intro > :first-child {
  margin-top: 0;
}

.e-book-columns .ebc-intro > :last-child {
  margin-bottom: 0;
}

.e-book-columns .ebc-intro h2 {
  margin-bottom: 10px;
  color: inherit;
}

.e-book-columns .ebc-viewport {
  width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.e-book-columns .ebc-viewport::-webkit-scrollbar {
  display: none;
}

.e-book-columns .ebc-viewport:focus-visible {
  outline: 2px solid var(--ebc-text);
  outline-offset: 4px;
}

.e-book-columns .ebc-track {
  display: flex;
  gap: var(--ebc-gap);
}

.e-book-columns .ebc-slide {
  flex: 0 0 calc((100% - (var(--ebc-slides) - 1) * var(--ebc-gap)) / var(--ebc-slides));
  min-width: 0;
  scroll-snap-align: start;
}

.e-book-columns .ebc-card {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: var(--ebc-ratio);
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
  color: inherit;
  text-decoration: none;
}

.e-book-columns .ebc-card__media,
.e-book-columns .ebc-card__media picture,
.e-book-columns .ebc-card__media img,
.e-book-columns .ebc-card__placeholder,
.e-book-columns .ebc-card__placeholder svg {
  display: block;
  width: 100%;
  height: 100%;
}

.e-book-columns .ebc-card__media img {
  object-fit: cover;
  transition: transform .5s ease;
}

.e-book-columns .ebc-card[href]:hover .ebc-card__media img {
  transform: scale(1.025);
}

.e-book-columns .ebc-card__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, var(--ebc-overlay)) 0%, rgba(0, 0, 0, .28) 52%, rgba(0, 0, 0, .03) 100%);
  pointer-events: none;
}

.e-book-columns .ebc-card__content {
  position: absolute;
  inset: 0;
  color: #FFFFFF;
  pointer-events: none;
}

.e-book-columns .ebc-card__title {
  position: absolute;
  top: var(--ebc-title-position, 52%);
  right: 36px;
  left: 36px;
  transform: translateY(-50%);
  margin: 0;
  color: inherit;
}

.e-book-columns .ebc-card__description {
  position: absolute;
  right: 36px;
  bottom: 34px;
  left: 36px;
  line-height: 1.5;
}

.e-book-columns .ebc-card__description > :first-child {
  margin-top: 0;
}

.e-book-columns .ebc-card__description > :last-child {
  margin-bottom: 0;
}

.e-book-columns .ebc-controls {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 22px;
}

.e-book-columns .ebc-progress {
  position: relative;
  flex: 1;
  height: 2px;
  overflow: hidden;
  background: var(--ebc-progress-track);
}

.e-book-columns .ebc-progress__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--ebc-progress);
  transition: width .18s ease;
}

.e-book-columns .ebc-arrows {
  display: flex;
  gap: 10px;
}

.e-book-columns .ebc-arrow {
  display: grid;
  width: 54px;
  height: 54px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: #FFFFFF;
  color: #171717;
  cursor: pointer;
  transition: opacity .2s ease, transform .2s ease;
}

.e-book-columns .ebc-arrow:hover:not(:disabled) {
  transform: translateY(-1px);
}

.e-book-columns .ebc-arrow:disabled {
  opacity: .32;
  cursor: default;
}

.e-book-columns .ebc-arrow svg {
  width: 20px;
  height: 20px;
}

.e-book-columns .ebc-arrow--prev svg {
  transform: rotate(90deg);
}

.e-book-columns .ebc-arrow--next svg {
  transform: rotate(-90deg);
}

@media (max-width: 959px) {
  .e-book-columns .ebc-shell {
    padding-top: min(var(--ebc-padding-top), 48px);
    padding-bottom: min(var(--ebc-padding-bottom), 48px);
  }

  .e-book-columns .ebc-intro {
    padding-top: 12px;
    margin-bottom: 24px;
  }

  .e-book-columns .ebc-track {
    gap: 14px;
  }

  .e-book-columns .ebc-slide {
    flex-basis: 88%;
  }

  .e-book-columns .ebc-card__content {
    inset: 0;
  }

  .e-book-columns .ebc-card__title {
    top: var(--ebc-mobile-title-position, 48%);
    right: 22px;
    left: 22px;
  }

  .e-book-columns .ebc-card__description {
    right: 22px;
    bottom: 26px;
    left: 22px;
  }

  .e-book-columns .ebc-controls {
    gap: 20px;
    margin-top: 18px;
  }

  .e-book-columns .ebc-arrow {
    width: 46px;
    height: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .e-book-columns .ebc-viewport {
    scroll-behavior: auto;
  }

  .e-book-columns .ebc-card__media img,
  .e-book-columns .ebc-progress__fill,
  .e-book-columns .ebc-arrow {
    transition: none;
  }
}