@charset "UTF-8";
.page-banner {
  background: linear-gradient(135deg, #ede7f6 0%, #e0f2f1 50%, #fce4ec 100%);
  padding: 100px 0 48px;
  text-align: center;
}
.page-banner h1 { font-size: 2rem; color: var(--text-dark); }
.page-banner p { color: var(--text-light); margin-top: 8px; }
.nav-links a.nav-active {
  color: var(--primary-dark) !important;
}
.about-section,
.privacy-section,
.terms-section { padding: 48px 0 56px; border-bottom: 1px solid rgb(179 157 219 / 0.1); }
.about-section h2,
.privacy-section h2,
.terms-section h2 {
  font-size: 1.35rem; color: var(--text-dark);
  margin-bottom: 6px;
}
.about-content { padding: 28px 0 0; max-width: 800px; margin: 0 auto; }
.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-top: 32px;
}
.contact-card h4 { font-size: 1.05rem; margin-bottom: 10px; color: var(--text-dark); }
.contact-card p { font-size: 0.9rem; color: var(--text-light); }
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid rgb(179 157 219 / 0.1);
}
.feature-detail:nth-child(even) { direction: rtl; }
.feature-detail:nth-child(even) .fd-text { direction: ltr; }
.fd-visual {
  height: 280px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}
.fd-visual.v1 { background: linear-gradient(135deg, #fce4ec, #f8bbd0); }
.fd-visual.v2 { background: linear-gradient(135deg, #e8eaf6, #c5cae9); }
.fd-visual.v3 { background: linear-gradient(135deg, #e0f2f1, #b2dfdb); }
.fd-visual.v4 { background: linear-gradient(135deg, #f3e5f5, #e1bee7); }
.fd-text h2 { font-size: 1.5rem; color: var(--text-dark); margin-bottom: 16px; }
.fd-text p { color: var(--text-light); line-height: 1.8; margin-bottom: 12px; }
.characters-all {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  padding: 48px 0;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 0;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}
.faq-item:hover { box-shadow: var(--shadow-hover); }
.faq-item h4 {
  font-size: 0.95rem; color: var(--text-dark);
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  margin: 0;
  user-select: none;
}
.faq-item p {
  font-size: 0.88rem; color: var(--text-light);
  line-height: 1.7; padding: 0 24px;
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.open p { max-height: 200px; padding: 0 24px 18px; }
.faq-item .arrow {
  transition: transform 0.3s ease;
  font-size: 0.65rem; color: var(--text-light);
  flex-shrink: 0;
}
.faq-item.open .arrow { transform: rotate(180deg); }
.policy-content { padding: 28px 0 48px; max-width: 800px; margin: 0 auto; }
.policy-content h3,
.about-content h3 {
  font-size: 1.05rem; color: var(--text-dark);
  margin: 28px 0 10px;
}
.policy-content h3:first-child,
.about-content h3:first-child { margin-top: 0; }
.policy-content p,
.about-content p {
  font-size: 0.95rem; color: var(--text-light);
  line-height: 2; margin-bottom: 12px;
}
.help-section { padding: 48px 0 56px; border-bottom: 1px solid rgb(179 157 219 / 0.1); }
.help-section h2,
.faq-section h2,
.feedback-section h2 {
  font-size: 1.35rem; color: var(--text-dark);
  margin-bottom: 6px;
}
.help-section-num {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700;
  color: var(--primary);
  background: linear-gradient(135deg, rgb(179 157 219 / 0.15), rgb(129 212 250 / 0.12));
  padding: 3px 12px;
  border-radius: 14px;
  margin-right: 12px;
  vertical-align: middle;
}
.help-section-desc {
  font-size: 0.9rem; color: var(--text-light);
  margin-bottom: 32px; margin-top: 0; line-height: 1.6;
}
.help-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.help-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 24px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: block;
  text-decoration: none;
  cursor: pointer;
}
a.help-card:hover,
.help-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.help-card-icon {
  display: flex; align-items: center; justify-content: center;
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgb(179 157 219 / 0.12), rgb(129 212 250 / 0.1));
  color: var(--primary);
}
.help-card h4 {
  font-size: 1rem; color: var(--text-dark);
  margin-bottom: 8px; margin-top: 0;
}
.help-card p {
  font-size: 0.84rem; color: var(--text-light);
  line-height: 1.5; margin: 0;
}
.faq-section { padding: 56px 0; border-bottom: 1px solid rgb(179 157 219 / 0.1); }
.faq-group { margin-bottom: 36px; }
.faq-group:last-child { margin-bottom: 0; }
.faq-group h3 {
  font-size: 1rem; color: var(--text-dark);
  margin-bottom: 16px; padding-left: 14px;
  border-left: 3px solid var(--primary);
  line-height: 1.4;
}
.feedback-section { padding: 56px 0 80px; }
.feedback-form {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 44px 40px;
  box-shadow: 0 2px 20px rgb(179 157 219 / 0.08), 0 8px 40px rgb(179 157 219 / 0.06);
  max-width: 720px;
  margin: 0 auto;
  border: 1px solid rgb(179 157 219 / 0.1);
  position: relative;
  overflow: hidden;
}
.feedback-form::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), #81d4fa);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-group { margin-bottom: 24px; }
.form-group label {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.88rem; color: var(--text-dark);
  font-weight: 600; margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.form-group label::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 18px;
  font-size: 0.92rem;
  color: var(--text-dark);
  background: linear-gradient(180deg, var(--bg) 0%, rgb(245 240 255 / 0.3) 100%);
  border: 1.5px solid rgb(179 157 219 / 0.2);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  font-family: inherit;
  box-sizing: border-box;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #c4bbd4;
  font-size: 0.85rem;
}
.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: rgb(179 157 219 / 0.4);
  background: linear-gradient(180deg, #fff 0%, rgb(245 240 255 / 0.5) 100%);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgb(179 157 219 / 0.1), 0 2px 12px rgb(179 157 219 / 0.08);
}
.form-group .select-wrapper {
  position: relative;
}
.form-group .select-wrapper i {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #9990b8;
  pointer-events: none;
}
.form-group select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  cursor: pointer;
  color: var(--text-dark);
}
.form-group select:invalid { color: #c4bbd4; }
.form-group textarea { resize: vertical; min-height: 140px; line-height: 1.7; }
.btn-feedback {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
  padding: 15px 32px;
  margin-top: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff; border: none; border-radius: 14px;
  font-size: 1rem; font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 4px 20px rgb(179 157 219 / 0.35);
  font-family: inherit;
}
.btn-feedback:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgb(179 157 219 / 0.5);
  filter: brightness(1.05);
}
.btn-feedback:active {
  transform: translateY(0);
  filter: brightness(0.95);
}
@media (max-width: 768px) {
  .feature-detail {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .feature-detail:nth-child(even) { direction: ltr; }
  .fd-visual { height: 200px; font-size: 3.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .help-cards { grid-template-columns: 1fr; }
}