/* =============================================
   WALIN — Reservation Form Styles
   和凛 ご予約フォーム
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500&family=Noto+Sans+JP:wght@300;400;500&family=Noto+Serif+JP:wght@300;400&display=swap');

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

:root {
  --color-bg: #faf8f5;
  --color-surface: #ffffff;
  --color-gold: #b8976a;
  --color-gold-light: #d4b896;
  --color-gold-pale: #f0e8da;
  --color-text: #2c2c2c;
  --color-text-sub: #7a7a7a;
  --color-border: #ddd5c8;
  --color-required: #9e6b6b;
  --color-error: #c0392b;
  --radius: 2px;
  --transition: 0.25s ease;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 300;
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100%;
}

/* ── Header ── */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  text-align: center;
}

.site-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo span {
  display: block;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--color-gold);
  margin-top: 2px;
}

/* ── Page Hero ── */
.page-hero {
  background-color: var(--color-gold-pale);
  padding: 48px 20px 40px;
  text-align: center;
  border-bottom: 1px solid var(--color-gold-light);
}

.page-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text);
}

.page-hero h1 span {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.page-hero .ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.page-hero .ornament::before,
.page-hero .ornament::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: var(--color-gold-light);
}

.page-hero .ornament-diamond {
  width: 5px;
  height: 5px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

/* ── Notice box ── */
.notice-box {
  max-width: 720px;
  margin: 40px auto 0;
  padding: 0 20px;
}

.notice-box p {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 1.9;
  border-left: 2px solid var(--color-gold-light);
  padding-left: 14px;
  margin-bottom: 6px;
}

/* ── Main Layout ── */
main {
  max-width: 720px;
  margin: 40px auto 80px;
  padding: 0 20px;
}

/* ── Form Card ── */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 48px 52px;
}

@media (max-width: 600px) {
  .form-card {
    padding: 32px 24px;
  }
}

/* ── Section Heading ── */
.section-heading {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-gold-pale);
  padding-bottom: 10px;
  margin: 36px 0 24px;
}

.section-heading:first-of-type {
  margin-top: 0;
}

/* ── Form Group ── */
.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}

.label-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.label-sub {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.72rem;
  color: var(--color-text-sub);
  letter-spacing: 0.12em;
  font-weight: 300;
  margin-top: 1px;
}

.badge-required {
  font-size: 0.6rem;
  background: var(--color-required);
  color: #fff;
  padding: 2px 7px;
  letter-spacing: 0.08em;
  border-radius: 1px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ── Inputs ── */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.88rem;
  font-weight: 300;
  appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184, 151, 106, 0.12);
}

textarea {
  min-height: 100px;
  resize: vertical;
  line-height: 1.7;
}

/* ── Select wrapper ── */
.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gold);
  pointer-events: none;
  font-size: 0.8rem;
}

select {
  padding-right: 36px;
  cursor: pointer;
}

/* ── Date row ── */
.date-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.date-unit {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.date-unit .select-wrap {
  flex: 1;
}

.date-unit span {
  font-size: 0.8rem;
  color: var(--color-text-sub);
  white-space: nowrap;
}

/* ── Person row ── */
.person-row {
  display: flex;
  gap: 16px;
}

.person-item {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.person-item label {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  white-space: nowrap;
}

.person-item .select-wrap {
  flex: 1;
}

.person-suffix {
  font-size: 0.78rem;
  color: var(--color-text-sub);
  white-space: nowrap;
}

/* ── Radio ── */
.radio-group {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.radio-item input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-gold);
  cursor: pointer;
  flex-shrink: 0;
}

.radio-item span {
  font-size: 0.85rem;
  color: var(--color-text);
}

/* ── Checkbox ── */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-group.inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-gold);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-item span {
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* ── Note text ── */
.form-note {
  font-size: 0.75rem;
  color: var(--color-text-sub);
  margin-top: 6px;
  line-height: 1.7;
}

.form-note.caution {
  color: var(--color-required);
}

/* ── Option sub-field ── */
.option-sub {
  margin-top: 14px;
  padding: 16px;
  background: var(--color-gold-pale);
  border: 1px solid var(--color-gold-light);
  display: none;
}

.option-sub.visible {
  display: block;
}

.option-sub .form-group {
  margin-bottom: 0;
}

/* ── Agreement ── */
.agreement-box {
  background: var(--color-gold-pale);
  border: 1px solid var(--color-gold-light);
  padding: 20px 24px;
  margin: 8px 0;
}

.agreement-box a {
  color: var(--color-gold);
  text-decoration: underline;
  font-size: 0.85rem;
}

/* ── Step Progress ── */
.step-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 32px 20px 0;
  max-width: 720px;
  margin: 0 auto;
}

.sp-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}

.sp-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: #fff;
  color: var(--color-text-sub);
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.sp-label {
  font-size: 0.72rem;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: color var(--transition);
}

.sp-line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
  margin: 0 8px;
  margin-bottom: 20px;
  min-width: 24px;
  transition: background var(--transition);
}

.sp-item.active .sp-num {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: #fff;
}

.sp-item.active .sp-label {
  color: var(--color-gold);
}

.sp-item.done .sp-num {
  border-color: var(--color-gold-light);
  background: var(--color-gold-pale);
  color: var(--color-gold);
}

.sp-item.done + .sp-line {
  background: var(--color-gold-light);
}

/* ── Step Panels ── */
.step-panel {
  display: none;
}

.step-panel.active {
  display: block;
}

/* ── Step Navigation ── */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-gold-pale);
}

.btn-next {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-text);
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.88rem;
  letter-spacing: 0.2em;
  padding: 13px 36px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn-next:hover {
  background: var(--color-gold);
  transform: translateY(-1px);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text-sub);
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.88rem;
  letter-spacing: 0.15em;
  padding: 13px 20px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-back:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.nav-arrow {
  font-size: 1rem;
  line-height: 1;
}

/* ── Caution Box ── */
.caution-box {
  background: #fdf5f5;
  border-left: 3px solid var(--color-required);
  padding: 14px 18px;
  font-size: 0.82rem;
  color: var(--color-text);
  line-height: 1.8;
}

/* ── Confirmation Screen ── */
.confirm-block {
  margin-bottom: 28px;
  border: 1px solid var(--color-border);
}

.confirm-block-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-gold-pale);
  padding: 10px 16px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
}

.btn-edit {
  font-size: 0.72rem;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  background: #fff;
  border: 1px solid var(--color-gold-light);
  padding: 4px 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-edit:hover {
  background: var(--color-gold);
  color: #fff;
}

.confirm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}

.confirm-table th,
.confirm-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-gold-pale);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.confirm-table th {
  width: 38%;
  color: var(--color-text-sub);
  font-weight: 400;
  font-family: 'Noto Serif JP', serif;
  font-size: 0.78rem;
  background: #faf8f5;
}

.confirm-table tr:last-child th,
.confirm-table tr:last-child td {
  border-bottom: none;
}

/* ── Submit ── */
.submit-area {
  text-align: center;
  margin-top: 40px;
}

.btn-submit {
  display: inline-block;
  background: var(--color-text);
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  letter-spacing: 0.25em;
  padding: 16px 60px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-transform: uppercase;
  position: relative;
}

.btn-submit::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(255,255,255,0.2);
  pointer-events: none;
}

.btn-submit:hover {
  background: var(--color-gold);
  transform: translateY(-1px);
}

.btn-submit:active {
  transform: translateY(0);
}

/* ── Error ── */
.error-msg {
  display: none;
  color: var(--color-error);
  font-size: 0.75rem;
  margin-top: 5px;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--color-error);
}

.form-group.has-error .error-msg {
  display: block;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.55);
  text-align: center;
  padding: 28px 20px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

/* ── Thanks page ── */
.thanks-wrap {
  text-align: center;
  padding: 80px 20px;
}

.thanks-wrap .icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
  display: block;
}

.thanks-wrap h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.thanks-wrap .en-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 32px;
}

.thanks-wrap p {
  font-size: 0.88rem;
  color: var(--color-text-sub);
  line-height: 2;
  margin-bottom: 10px;
}

.thanks-wrap .back-link {
  display: inline-block;
  margin-top: 36px;
  color: var(--color-gold);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  border-bottom: 1px solid var(--color-gold-light);
  padding-bottom: 2px;
  transition: color var(--transition);
}

.thanks-wrap .back-link:hover {
  color: var(--color-text);
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .date-row {
    flex-direction: column;
    gap: 8px;
  }

  .person-row {
    flex-direction: column;
    gap: 10px;
  }

  .radio-group {
    flex-direction: column;
    gap: 12px;
  }

  .btn-submit {
    width: 100%;
    padding: 16px 20px;
  }

  .sp-num {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }

  .sp-label {
    font-size: 0.62rem;
    white-space: normal;
    text-align: center;
    max-width: 60px;
  }

  .sp-line {
    min-width: 12px;
    margin: 0 4px;
    margin-bottom: 14px;
  }

  .step-progress {
    padding: 24px 12px 0;
  }
}

/* ── Persons category label ── */
.persons-category {
  font-size: 0.78rem;
  color: var(--color-gold);
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

/* ── Child detail row ── */
.child-detail-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 14px;
  background: var(--color-gold-pale);
  border: 1px solid var(--color-gold-light);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.child-label {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  min-width: 48px;
}

.child-age {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
}

.child-gender {
  display: flex;
  gap: 16px;
}

/* ── Honeypot ── */
.hp-field {
  display: none !important;
  visibility: hidden;
  opacity: 0;
  height: 0;
  overflow: hidden;
}