#book-wrapper {
  /* ---- Pages ---- */
  /* ---- Kill any internal gutter backgrounds ---- */
  /* Softer fold shadow so it doesn't look like a bar */
  /* ---- Nav buttons ---- */
  /* ---- Responsive layout ---- */
}

#book { overflow: hidden;}

#book-wrapper .content {
  width: min(1100px, 96vw);
  margin: 0 auto;
  padding: 20px 0;
}
#book-wrapper .viewer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
}
#book-wrapper .book {
  width: 100%;
  height: min(72vh, 760px);
  position: relative;
  background: transparent !important;
}
#book-wrapper .page {
  width: 100%;
  height: 100%;
  background: #fff !important;
  overflow: hidden;
}
#book-wrapper section.content .page img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  display: block;
  -o-object-fit: fill;
     object-fit: fill;
  background: #fff;
  overflow: hidden;
}
#book-wrapper .stf__parent,
#book-wrapper .stf__block,
#book-wrapper .stf__item,
#book-wrapper .stf__wrapper,
#book-wrapper .stf__page {
  background: transparent !important;
  box-shadow: none !important;
  border: none !important;
}
/*--- 1px左にずらして中央余白を消す ---*/
.stf__item.--right {
  margin-left: -1px;
}

#book-wrapper .stf__shadow {
  opacity: 0.12 !important;
}
#book-wrapper .nav {
  height: 64px;
  width: 64px;
  border: none;
  background-color: #d91217;
  color: #fff;
  font-size: 40px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}
#book-wrapper .nav:hover {
  background-color: #b81116;
  transform: scale(1.06);
}
#book-wrapper .nav:active {
  transform: scale(0.98);
}
#book-wrapper .nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}
#book-wrapper .counter {
  display: flex;
  justify-content: center;
  margin-top: 10px;
  font-size: 24px;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
@media (max-width: 700px) {
  #book-wrapper .viewer {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 1fr 80px;
    grid-column-gap: 0px;
    grid-row-gap: 0px;
  }
  #book-wrapper .viewer .nav--prev {
    grid-area: 2/1/3/2;
  }
  #book-wrapper .viewer .nav--next {
    grid-area: 2/2/3/3;
  }
  #book-wrapper .viewer .book {
    grid-area: 1/1/2/3;
  }
  #book-wrapper .nav {
    width: 56px;
    height: 56px;
    font-size: 34px;
    justify-self: center;
  }
  #book-wrapper .nav.nav--next {
    order: 3;
  }
  #book-wrapper .nav.nav--prev {
    order: 2;
  }
  #book-wrapper .book {
    order: 1;
    min-height: 400px;
  }
  #book-wrapper .stf__wrapper.--portrait {
    padding: 0 !important;
  }
}/*# sourceMappingURL=flipbook.css.map */