/* ==========================================================================
   CO-OASIS (コ・オアシス) Contact & FAQ Page Specific Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   FAQ Section & Filter Tabs
   -------------------------------------------------------------------------- */
.faq-section {
  padding-bottom: 5.5rem;
}

.faq-filter-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2.75rem;
  flex-wrap: wrap;
}

.faq-filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-filter-btn:hover {
  border-color: var(--primary-deep);
  color: var(--primary-deep);
}

.faq-filter-btn.is-active {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-normal);
}

.faq-item.is-open {
  border-color: var(--primary-deep);
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
}

.faq-q-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-deep);
}

.faq-badge-q {
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 800;
  color: #FFFFFF;
  background: var(--primary-deep);
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-icon-toggle {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 50%;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: transform var(--transition-normal), background var(--transition-fast);
}

.faq-item.is-open .faq-icon-toggle {
  transform: rotate(45deg);
  background: var(--primary-deep);
  color: #FFFFFF;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-out);
  background: var(--bg-subtle);
}

.faq-answer-inner {
  padding: 0.5rem 1.5rem 1.5rem 3.4rem;
  font-size: 0.90625rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

@media (max-width: 640px) {
  .faq-answer-inner {
    padding-left: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   Tour Reservation & Contact Form
   -------------------------------------------------------------------------- */
.form-section {
  background: var(--bg-subtle);
  padding-bottom: 7rem;
}

.form-wrapper-card {
  max-width: 800px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-card);
  padding: 3.5rem 3rem;
  box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
  .form-wrapper-card {
    padding: 2rem 1.5rem;
  }
}

.form-intro {
  text-align: center;
  margin-bottom: 2.5rem;
}

.form-intro h3 {
  font-family: var(--font-mincho);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.5rem;
}

.form-intro p {
  font-size: 0.90625rem;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 1.6rem;
}

.form-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin-bottom: 0.5rem;
}

.badge-required {
  font-size: 0.6875rem;
  font-weight: 700;
  background: var(--primary-deep);
  color: #FFFFFF;
  border: 1px solid var(--primary-deep);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.badge-optional {
  font-size: 0.6875rem;
  font-weight: 500;
  background: var(--bg-subtle);
  color: var(--text-muted);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.form-control {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-deep);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.form-control.is-invalid {
  border-color: #E11D48;
  background-color: #FFF9FA;
}

.error-feedback {
  display: none;
  font-size: 0.75rem;
  color: #E11D48;
  margin-top: 0.35rem;
}

.form-control.is-invalid + .error-feedback {
  display: block;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Radio Cards Grid */
.radio-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .radio-cards-grid {
    grid-template-columns: 1fr;
  }
}

.radio-card-label {
  display: flex;
  flex-direction: column;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.radio-card-label input[type="radio"] {
  display: none;
}

.radio-card-label:hover {
  border-color: var(--primary-deep);
}

.radio-card-label.is-checked {
  background: var(--primary-light);
  border-color: var(--primary-deep);
}

.radio-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-deep);
}

.radio-card-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* Privacy Consent */
.privacy-agreement-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.15rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.privacy-agreement-box a {
  color: var(--primary-deep);
  text-decoration: underline;
}

.form-submit-wrap {
  text-align: center;
}

.btn-submit {
  min-width: 280px;
}