/* =========================================================
   ご予約 (Reserve) — Claude Design "Booking Page C Panel"
   Step indicator, pill plan toggle, one bordered panel of fields,
   sticky summary on the right (desktop).
   ========================================================= */

.page-intro--compact { padding-top: clamp(56px, 8vw, 120px); padding-bottom: 40px; }
.page-intro--compact .page-intro__inner { gap: 24px; }

.booking {
  padding: 0 var(--page-gutter) clamp(64px, 9vw, 140px);
}
.booking__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ---------- Step indicator ---------- */

.booking-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border-light);
}
.booking-steps__item {
  margin-top: -1px;
  padding: 18px 12px 0 0;
  border-top: 2px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--color-text-muted-on-light);
}
.booking-steps__item.is-done {
  border-top-color: var(--color-text-on-light);
  color: var(--color-text-on-light);
}
.booking-steps__no {
  font: 400 11px/1 var(--font-mono);
  letter-spacing: .2em;
  color: var(--color-text-muted-on-light);
}
.booking-steps__item[aria-current="step"] .booking-steps__no { color: var(--color-secondary-on-light); }
.booking-steps__label {
  font: 400 14px/1.4 var(--font-mincho);
  letter-spacing: .08em;
}
@media (max-width: 639px) {
  .booking-steps__label { font-size: 12px; letter-spacing: .02em; }
}

/* ---------- Layout ---------- */

.booking__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px 64px;
  align-items: start;
}
@media (min-width: 1024px) {
  .booking__layout { grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); }
  .booking-summary { position: sticky; top: 24px; }
}

.booking__form {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.booking-step {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.booking-step[hidden] { display: none; }

.booking-step__title {
  padding: 0;
  margin: 0;
  font: 400 clamp(22px, 2.4vw, 28px)/1.5 var(--font-mincho);
  letter-spacing: .1em;
}
.booking-step__note {
  margin: -12px 0 0;
  font: 400 14px/1.8 var(--font-mincho);
  color: var(--color-text-sub-on-light);
}
.booking-step__note:last-child { margin-top: 0; }

/* ---------- Plan toggle (pill radio group) ---------- */

.plan-toggle {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 9999px;
  padding: 4px;
}
.plan-toggle__opt { position: relative; }
.plan-toggle__opt input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}
.plan-toggle__opt span {
  display: block;
  border-radius: 9999px;
  padding: 12px 24px;
  font: 400 14px/1 var(--font-mincho);
  letter-spacing: .1em;
  color: var(--color-text-sub-on-light);
  transition: background-color .3s, color .3s;
}
.plan-toggle__opt input:checked + span {
  background: var(--color-text-on-light);
  color: var(--color-text-on-dark);
}
.plan-toggle__opt input:focus-visible + span {
  outline: 1px solid var(--color-primary);
  outline-offset: 2px;
}
@media (max-width: 639px) {
  .plan-toggle__opt span { padding: 12px 16px; font-size: 13px; letter-spacing: .04em; }
}

/* ---------- Field panel (cells separated by 1px rules) ---------- */

.bk-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-border-light);
  border: 1px solid var(--color-border-light);
}
.bk-cell {
  background: var(--color-surface);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: text;
}
.bk-cell[hidden] { display: none; }
.bk-cell--full { grid-column: 1 / -1; }
.bk-cell:focus-within { box-shadow: inset 0 0 0 1px var(--color-text-on-light); }
.bk-cell__label {
  font: 400 11px/1 var(--font-mincho);
  letter-spacing: .12em;
  color: var(--color-text-muted-on-light);
}
.bk-cell__control {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  padding: 0;
  font: 400 16px/1.4 var(--font-sans);
  color: var(--color-text-on-light);
  appearance: none;
  min-height: 22px;
}
select.bk-cell__control { cursor: pointer; }
.bk-cell:has([aria-invalid="true"]) { box-shadow: inset 0 0 0 1px #9A3B2A; }

@media (max-width: 479px) {
  .bk-panel { grid-template-columns: minmax(0, 1fr); }
}

.add-via {
  cursor: pointer;
  align-self: flex-start;
  margin-top: -16px;
  background: transparent;
  border: none;
  padding: 6px 0;
  font: 400 13px/1 var(--font-mincho);
  letter-spacing: .1em;
  color: var(--color-secondary-on-light);
}
.add-via[hidden] { display: none; }

/* ---------- Vehicle options ---------- */

.car-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.car-option {
  position: relative;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  display: grid;
  grid-template-columns: minmax(0, 160px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  transition: border-color .3s, opacity .3s;
}
.car-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.car-option:has(input:checked) { border-color: var(--color-text-on-light); }
.car-option:has(input:focus-visible) { outline: 1px solid var(--color-primary); outline-offset: 3px; }
.car-option.is-unfit { opacity: .35; cursor: not-allowed; }

.car-option__photo {
  display: block;
  height: 110px;
  background: #E6E2D6;
}
.car-option__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.car-option__text {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 0;
}
.car-option__name {
  font: 500 17px/1.4 var(--font-mincho);
  letter-spacing: .06em;
}
.car-option__cap {
  font: 400 13px/1.4 var(--font-mincho);
  color: var(--color-text-sub-on-light);
}
.car-option__dot {
  margin-right: 24px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-text-on-light);
  background: var(--color-surface);
  box-shadow: inset 0 0 0 4px var(--color-surface);
}
.car-option:has(input:checked) .car-option__dot { background: var(--color-text-on-light); }

@media (max-width: 639px) {
  .car-option { grid-template-columns: 96px minmax(0, 1fr) auto; gap: 16px; }
  .car-option__photo { height: 84px; }
  .car-option__name { font-size: 15px; }
  .car-option__dot { margin-right: 16px; }
}

/* ---------- Review ---------- */

.review {
  margin: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-text-on-light);
}
.review div {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border-light);
}
.review dt {
  font: 400 13px/1.4 var(--font-mincho);
  letter-spacing: .1em;
  color: var(--color-text-sub-on-light);
}
.review dd {
  margin: 0;
  font: 400 15px/1.7 var(--font-mincho);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
@media (max-width: 479px) {
  .review div { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Step navigation ---------- */

.booking-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.booking-nav[hidden] { display: none; }
.booking-nav__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--color-border-light);
  padding-top: 32px;
}
.booking-nav__buttons .btn-submit { margin-left: auto; }
.form-done[hidden] { display: none; }

/* ---------- Summary ---------- */

.booking-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.booking-summary__eyebrow {
  margin: 0;
  font: 400 11px/1 var(--font-mono);
  letter-spacing: .2em;
  color: var(--color-secondary-on-light);
}
.booking-summary__list { margin: 0; }
.booking-summary__list div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-bg-footer);
}
.booking-summary__list dt {
  font: 400 11px/1 var(--font-mincho);
  letter-spacing: .12em;
  color: var(--color-text-muted-on-light);
}
.booking-summary__list dd {
  margin: 0;
  font: 400 14px/1.6 var(--font-mincho);
  overflow-wrap: anywhere;
}
.booking-summary__list dd.is-empty { color: var(--color-text-muted-on-light); }

.booking-summary__tel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 4px;
  font: 400 12px/1.6 var(--font-mincho);
  color: var(--color-text-sub-on-light);
}
.booking-summary__tel a {
  font: 400 24px/1 var(--font-display);
  letter-spacing: .08em;
  color: var(--color-text-on-light);
}