/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:    #FFFFFF;
  --bg:       #FFFFFF;
  --ink:      #2C2420;
  --mid:      #8C8078;
  --light:    #E5DBD5;
  --lighter:  #F2EDE8;
  --rose:     #BF8090;
  --rose-dk:  #A06878;
  --rose-lt:  #F5E8EC;
  --err:      #B85C5C;
  --radius:   2px;
}

body {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "游明朝", Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── Header ─── */
header {
  background: var(--white);
  text-align: center;
  padding: 48px 16px 40px;
  border-bottom: 1px solid var(--light);
}
.header-eyebrow {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--rose);
  margin-bottom: 10px;
}
header h1 {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 400;
  letter-spacing: 10px;
  color: var(--ink);
  line-height: 1.3;
}
.header-sub {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--mid);
  margin-top: 10px;
  text-transform: uppercase;
}

/* ─── Main wrapper ─── */
.wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 52px 24px 80px;
}

/* ─── Back to top link ─── */
.back-to-top {
  display: inline-block;
  font-family: "Jost", sans-serif;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--mid);
  text-decoration: none;
  margin-bottom: 28px;
  transition: color .2s;
}
.back-to-top:hover { color: var(--rose); }

/* ─── Category grid (top page) ─── */
.category-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.category-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid var(--light);
  padding: 28px 32px;
  text-decoration: none;
  transition: border-color .2s, background .2s;
}
.category-card:hover { border-color: var(--rose); background: var(--rose-lt); }
.category-card-en {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--rose);
  display: block;
  margin-bottom: 6px;
}
.category-card-title {
  font-size: 16px;
  letter-spacing: 3px;
  color: var(--ink);
  margin-bottom: 8px;
}
.category-card-desc {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 12px;
  color: var(--mid);
  letter-spacing: 1px;
  line-height: 1.7;
}
.category-card-arrow {
  font-family: "Cormorant Garamond", serif;
  font-size: 22px;
  font-weight: 300;
  color: var(--rose);
  flex-shrink: 0;
}

/* ─── Step indicator ─── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 52px;
  gap: 0;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.step-line {
  width: 24px;
  height: 1px;
  background: var(--light);
  transition: background .4s;
}
.step-line.done { background: var(--rose); }
.step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: 1px solid var(--light);
  background: var(--white);
  transition: all .3s;
}
.step.active .step-dot {
  background: var(--ink);
  border-color: var(--ink);
  width: 10px; height: 10px;
}
.step.done .step-dot {
  background: var(--rose);
  border-color: var(--rose);
}
.step-label {
  font-family: "Jost", sans-serif;
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--light);
  text-transform: uppercase;
  white-space: nowrap;
}
.step.active .step-label { color: var(--ink); }
.step.done  .step-label  { color: var(--rose); }

/* ─── Section heading ─── */
.section-heading { margin-bottom: 36px; }
.section-heading .en {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--rose);
  display: block;
  margin-bottom: 6px;
}
.section-heading h2 {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 4px;
  color: var(--ink);
}
.section-heading p {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 12px;
  color: var(--mid);
  margin-top: 8px;
  letter-spacing: 1px;
  line-height: 1.9;
}

/* ─── Card ─── */
.card {
  background: var(--white);
  padding: 48px 44px;
  display: none;
}
.card.active { display: block; animation: fadeUp .4s ease; }
@media (max-width: 540px) { .card { padding: 32px 20px; } }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Plan grid ─── */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 560px) {
  .plan-grid { grid-template-columns: 1fr; }
}

.plan-card {
  border: 1px solid var(--light);
  padding: 24px 20px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  position: relative;
  display: block;
}
.plan-card:hover { border-color: var(--rose); background: var(--rose-lt); }
.plan-card.selected {
  border-color: var(--rose);
  background: var(--rose-lt);
  box-shadow: inset 0 0 0 1px var(--rose);
}
.plan-card input[type="radio"] { display: none; }

.plan-badge {
  font-family: "Jost", sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
  background: var(--lighter);
  display: inline-block;
  padding: 3px 10px;
  margin-bottom: 14px;
}
.plan-badge.recommended {
  background: var(--rose);
  color: var(--white);
}
.plan-card.selected .plan-badge {
  background: var(--rose);
  color: var(--white);
}

.plan-title {
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ink);
  line-height: 1.7;
  margin-bottom: 14px;
}
.plan-price {
  font-family: "Cormorant Garamond", serif;
  font-size: 26px;
  font-weight: 300;
  letter-spacing: 1px;
  color: var(--ink);
  margin-bottom: 16px;
}
.plan-tax {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  color: var(--mid);
  margin-left: 6px;
}
.plan-features {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--light);
  padding-top: 14px;
}
.plan-features li {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  color: var(--mid);
  line-height: 1.8;
  padding-left: 14px;
  position: relative;
}
.plan-features li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--rose);
}
.plan-note {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  color: var(--mid);
  margin-bottom: 8px;
}

/* ─── Option sections ─── */
.option-section {
  margin-bottom: 32px;
}
.option-section-title {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink);
  margin-bottom: 6px;
}
.option-section-note {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  color: var(--mid);
  margin-bottom: 12px;
  line-height: 1.7;
}

.option-toggle-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.option-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid var(--light);
  background: var(--white);
  cursor: pointer;
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 1px;
  transition: background .15s, border-color .15s;
  text-align: left;
  width: 100%;
}
.option-toggle:hover { background: var(--rose-lt); border-color: var(--rose); }
.option-toggle.selected {
  background: var(--rose-lt);
  border-color: var(--rose);
}
.opt-check {
  width: 16px; height: 16px;
  border: 1px solid var(--light);
  border-radius: 2px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  transition: all .15s;
  background: var(--white);
  color: transparent;
}
.option-toggle.selected .opt-check {
  background: var(--rose);
  border-color: var(--rose);
  color: var(--white);
}
.opt-label { flex: 1; }
.opt-price {
  font-family: "Cormorant Garamond", serif;
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--mid);
  white-space: nowrap;
  flex-shrink: 0;
}
.opt-price small {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 10px;
  color: var(--rose);
}
.option-toggle.selected .opt-price { color: var(--rose-dk); }

/* ─── Album options（2026-09-07：単一選択→複数選択(チェックボックス)に変更） ─── */
.option-toggle.album-toggle { cursor: pointer; }
.option-toggle.album-toggle input[type="checkbox"] {
  width: 18px; height: 18px;
  flex-shrink: 0;
  accent-color: var(--rose);
  cursor: pointer;
}
.album-fulldata-note {
  color: var(--rose-dk);
  font-weight: 600;
}

.family-group { max-height: 340px; overflow-y: auto; padding-right: 2px; }
.family-group::-webkit-scrollbar { width: 4px; }
.family-group::-webkit-scrollbar-track { background: var(--lighter); }
.family-group::-webkit-scrollbar-thumb { background: var(--light); border-radius: 2px; }

/* ─── Price summary ─── */
.price-summary {
  border: 1px solid var(--light);
  padding: 24px 28px;
  text-align: right;
  background: var(--lighter);
  margin-top: 20px;
}
.price-summary-label {
  font-family: "Jost", sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 8px;
}
.price-summary-total {
  font-family: "Cormorant Garamond", serif;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--ink);
}
.price-summary-note {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 10px;
  color: var(--mid);
  margin-top: 6px;
}

.datetime-notice { margin-bottom: 32px; }

/* ─── Calendar ─── */
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.calendar-nav button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--mid);
  font-family: "Cormorant Garamond", serif;
  font-size: 16px;
  padding: 4px 8px;
  transition: color .2s;
}
.calendar-nav button:hover { color: var(--ink); }
.calendar-month {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 18px;
  letter-spacing: 4px;
  color: var(--ink);
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 28px;
}
.cal-header {
  text-align: center;
  font-family: "Jost", sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 1px;
  color: var(--mid);
  padding: 6px 0 10px;
}
.cal-header:first-child { color: #B85C5C; }
.cal-header:last-child  { color: #5C7CB8; }
.cal-day {
  text-align: center;
  padding: 10px 4px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  color: var(--ink);
  font-family: "Cormorant Garamond", serif;
}
.cal-day:hover:not(.disabled):not(.empty) { background: var(--rose-lt); }
.cal-day.selected { background: var(--rose); color: var(--white); }
.cal-day.today { font-weight: 700; color: var(--rose); }
.cal-day.today.selected { color: var(--white); }
.cal-day.disabled { color: var(--light); cursor: not-allowed; }
.cal-day.empty    { cursor: default; }
.cal-day.sunday   { color: #B85C5C; }
.cal-day.saturday { color: #5C7CB8; }
.cal-day.selected.sunday,
.cal-day.selected.saturday { color: var(--white); }
/* 空き状況○/△表示（2026-09-18追加、tenpoapp連携） */
.cal-day-mark { display: block; font-size: 9px; line-height: 1.4; font-family: sans-serif; }

/* ─── Divider ─── */
.divider {
  border: none;
  border-top: 1px solid var(--light);
  margin: 32px 0;
}

/* ─── Time slots ─── */
.sub-label {
  font-family: "Jost", sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 16px;
}
.time-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.time-btn {
  padding: 10px 22px;
  border: 1px solid var(--light);
  background: var(--white);
  cursor: pointer;
  font-size: 14px;
  font-family: "Cormorant Garamond", serif;
  color: var(--ink);
  letter-spacing: 1px;
  transition: all .15s;
}
.time-btn:hover:not(.full) {
  border-color: var(--rose);
  background: var(--rose-lt);
}
.time-btn.selected {
  background: var(--rose);
  border-color: var(--rose);
  color: var(--white);
}
.time-btn.full {
  color: var(--light);
  cursor: not-allowed;
  text-decoration: line-through;
}
.time-legend {
  font-size: 11px;
  color: var(--mid);
  margin-top: 8px;
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
}

/* ─── Option sub-step ─── */
.substep { display: none; }
.substep.active { display: block; animation: fadeUp .4s ease; }

.substep-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 14px;
}
.substep-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--light);
  transition: background .3s;
  flex-shrink: 0;
}
.substep-dot.active { background: var(--rose); }
.substep-line-s {
  width: 18px;
  height: 1px;
  background: var(--light);
  flex-shrink: 0;
}
.substep-title {
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--ink);
  margin-bottom: 6px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
}
.substep-desc {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 12px;
  color: var(--mid);
  margin-bottom: 28px;
  line-height: 1.9;
}

/* ─── Subject cards (Step 2 per-person blocks) ─── */
.subject-card {
  border: 1px solid var(--light);
  background: var(--lighter);
  padding: 20px 24px 24px;
  margin-bottom: 16px;
}
.subject-title {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--rose-dk);
  margin-bottom: 18px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
}
#subjectList { margin-top: 4px; }

/* ─── Quantity option ─── */
.qty-option-wrap { display: flex; flex-direction: column; }
.qty-row {
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  background: var(--lighter);
  border: 1px solid var(--light);
  border-top: none;
}
.qty-label {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--mid);
  white-space: nowrap;
}
.qty-row .age-toggle-group { border: none; }
.qty-row .age-toggle {
  padding: 8px 18px;
  font-size: 13px;
  border: 1px solid var(--light);
}

/* ─── Age toggle ─── */
.age-toggle-group {
  display: flex;
  gap: 0;
  border: 1px solid var(--light);
  width: fit-content;
}
.age-toggle {
  padding: 12px 28px;
  border: none;
  border-right: 1px solid var(--light);
  background: var(--white);
  font-size: 14px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 2px;
  transition: background .15s, color .15s;
}
.age-toggle:last-child { border-right: none; }
.age-toggle:hover { background: var(--rose-lt); }
.age-toggle.selected {
  background: var(--rose);
  color: var(--white);
}

/* ─── Form fields ─── */
.form-row { margin-bottom: 28px; }
.form-label {
  display: block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--ink);
  margin-bottom: 10px;
}
.form-label .badge {
  font-family: "Jost", sans-serif;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 2px 7px;
  margin-left: 10px;
  vertical-align: middle;
}
.badge.req {
  background: var(--rose);
  color: var(--white);
}
.badge.opt {
  background: none;
  border: 1px solid var(--light);
  color: var(--mid);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid var(--light);
  background: transparent;
  font-size: 15px;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
  color: var(--ink);
  transition: border-color .2s;
  outline: none;
  border-radius: 0;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-bottom-color: var(--rose);
}
.form-row textarea {
  resize: none;
  min-height: 80px;
  padding: 10px 0;
}
.form-hint {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  color: var(--mid);
  margin-top: 6px;
}
.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 460px) { .form-row.two-col { grid-template-columns: 1fr; } }

/* ─── Checkbox ─── */
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 13px;
  color: var(--mid);
  line-height: 1.6;
}
.checkbox-row input[type="checkbox"] {
  width: 16px; height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--rose);
  cursor: pointer;
}
.checkbox-row a { color: var(--ink); }

/* ─── Error ─── */
.error-msg {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 11px;
  color: var(--err);
  margin-top: 6px;
  display: none;
}
.error-msg.visible { display: block; }
input.invalid, select.invalid, textarea.invalid {
  border-bottom-color: var(--err) !important;
}

/* ─── Confirm table ─── */
.confirm-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
}
.confirm-table tr { border-bottom: 1px solid var(--light); }
.confirm-table th {
  width: 36%;
  font-family: "Jost", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--mid);
  padding: 14px 0;
  text-align: left;
  vertical-align: top;
}
.confirm-table td {
  font-size: 14px;
  color: var(--ink);
  padding: 14px 0 14px 16px;
  vertical-align: top;
  line-height: 1.7;
}
.confirm-table tr:last-child { border-bottom: none; }
.confirm-table .total-row th,
.confirm-table .total-row td {
  padding-top: 20px;
  font-family: "Cormorant Garamond", serif;
}
.confirm-table .total-row td {
  font-size: 22px;
  font-weight: 300;
  color: var(--rose-dk);
}

.notice-box {
  border-left: 2px solid var(--rose);
  padding: 16px 18px;
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 12px;
  color: var(--mid);
  line-height: 2.1;
  background: var(--rose-lt);
  margin-bottom: 32px;
}
.notice-box strong { color: var(--ink); }

/* ─── Buttons ─── */
.btn-row {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding-top: 32px;
  border-top: 1px solid var(--light);
  margin-top: 40px;
}
.btn-back {
  padding: 14px 32px;
  background: none;
  border: 1px solid var(--light);
  color: var(--mid);
  font-size: 12px;
  letter-spacing: 3px;
  font-family: "Jost", serif;
  cursor: pointer;
  transition: all .2s;
}
.btn-back:hover { border-color: var(--mid); color: var(--ink); }
.btn-next {
  padding: 14px 40px;
  background: var(--ink);
  border: 1px solid var(--ink);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 3px;
  font-family: "Jost", serif;
  cursor: pointer;
  transition: background .2s;
  text-transform: uppercase;
}
.btn-next:hover { background: #3d3330; }
.btn-submit {
  padding: 14px 40px;
  background: var(--rose);
  border: 1px solid var(--rose);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 3px;
  font-family: "Jost", serif;
  cursor: pointer;
  transition: background .2s;
  text-transform: uppercase;
}
.btn-submit:hover { background: var(--rose-dk); border-color: var(--rose-dk); }

/* ─── Complete ─── */
.complete {
  text-align: center;
  padding: 60px 20px;
}
.complete-mark {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 40px;
  color: var(--rose);
  margin-bottom: 24px;
  display: block;
}
.complete h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 5px;
  margin-bottom: 16px;
}
.complete p {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 13px;
  color: var(--mid);
  line-height: 2.2;
}
.complete-caution {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 13px;
  color: var(--rose-dk);
  background: var(--rose-lt);
  border: 1px solid var(--rose);
  padding: 10px 20px;
  margin: 16px auto;
  display: inline-block;
  letter-spacing: 1px;
}
.booking-num {
  display: inline-block;
  margin: 28px 0 20px;
  padding: 14px 36px;
  border: 1px solid var(--light);
  font-family: "Jost", serif;
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--rose);
}
.btn-home {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 48px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-family: "Jost", sans-serif;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  transition: background .2s;
}
.btn-home:hover { background: #3d3330; }

/* ─── Footer ─── */
footer {
  text-align: center;
  padding: 32px 16px;
  font-family: "Jost", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--mid);
  border-top: 1px solid var(--light);
  background: var(--white);
  line-height: 1.8;
}