.item-details__reservation {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(20 * var(--u));
  margin-top: calc(18 * var(--u));
  font-family: "Zen Kaku Gothic New", "Yu Gothic", sans-serif;
}

.item-details__reservation button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(300 * var(--u));
  max-width: 100%;
  min-height: calc(32 * var(--u));
  padding: calc(6 * var(--u)) calc(36 * var(--u));
  border: 0;
  border-radius: 0;
  background: #929292;
  color: #fff;
  font-family: inherit;
  font-size: calc(16 * var(--u));
  font-weight: 500;
  line-height: 1;
  letter-spacing: .08em;
  opacity: 1;
  cursor: not-allowed;
}

.one-sided-arrow {
  position: relative;
  display: inline-block;
  width: 1.2em;
  height: .8em;
  margin-left: .35em;
  vertical-align: -.14em;
  transition: transform .3s ease;
}

a:hover .one-sided-arrow,
a:focus-visible .one-sided-arrow {
  transform: translateX(.3em);
}

@media (prefers-reduced-motion: reduce) {
  .one-sided-arrow { transition: none; }
}

.one-sided-arrow::before,
.one-sided-arrow::after {
  content: "";
  position: absolute;
  top: calc(50% + .21em - 1px);
  height: 1px;
  background: currentColor;
}

.one-sided-arrow::before {
  left: 0;
  width: 100%;
}

.one-sided-arrow::after {
  right: 0;
  width: .6em;
  transform: rotate(45deg);
  transform-origin: right center;
}

.item-details__reservation button .one-sided-arrow {
  position: absolute;
  right: calc(15 * var(--u));
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  font-size: calc(16 * var(--u));
}

.item-details__reservation button:disabled:hover { opacity: 1; }
.item-details__reservation-date {
  display: inline-flex;
  align-items: baseline;
  gap: .35em;
  color: #e60013;
  font-size: calc(16 * var(--u));
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
}

.item-details__reservation-date time {
  font-size: calc(19 * var(--u));
  letter-spacing: .02em;
}

@media (min-width: 768px) and (max-width: 1199px) {
  .item-details__reservation button,
  .item-details__reservation-date { font-size: clamp(12px, 1.4vw, 16px); }
  .item-details__reservation-date time { font-size: clamp(14px, 1.7vw, 19px); }
}

@media (max-width: 767px) {
  .item-details__reservation {
    flex-direction: column;
    align-items: stretch;
    gap: 4vw;
    width: 100%;
    margin-top: 4vw;
  }
  .item-details__reservation button {
    width: 100%;
    min-height: 9vw;
    padding: 2vw 8vw;
    font-size: clamp(12px, 3.2vw, 16px);
  }
  .item-details__reservation button .one-sided-arrow {
    right: 3vw;
    font-size: 3.7vw;
  }
  .item-details__reservation-date {
    align-self: center;
    font-size: clamp(12px, 3vw, 15px);
  }
  .item-details__reservation-date time { font-size: clamp(14px, 3.6vw, 18px); }
}