/* ============================================
   EIGHT – 登録ページ追加スタイル
   ============================================ */

.register-page { background: var(--gray-50); }

/* ---- Header override ---- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  font-weight: 600;
  transition: color var(--transition);
}
.back-link:hover { color: var(--white); }

/* ---- Hero ---- */
.reg-hero {
  background: var(--primary);
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.reg-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(230,57,70,0.2), transparent 60%),
              radial-gradient(circle at 80% 50%, rgba(255,107,53,0.12), transparent 60%);
}
.reg-badge {
  display: inline-block;
  background: rgba(230,57,70,0.15);
  border: 1px solid rgba(230,57,70,0.4);
  color: #ff8fa3;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  position: relative;
}
.reg-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 1rem;
  position: relative;
}
.reg-title em {
  font-style: normal;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.reg-sub {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  position: relative;
}
.reg-merits {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
}
.merit-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 600;
}
.merit-item i { color: #51cf66; font-size: 0.95rem; }

/* ---- Form Section ---- */
.reg-form-section { padding: 60px 0 80px; }

.form-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* ---- Progress Bar ---- */
.progress-bar {
  display: flex;
  align-items: center;
  padding: 1.8rem 2.5rem 1.5rem;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  flex: 0 0 auto;
}
.progress-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--gray-400);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  transition: all var(--transition);
}
.progress-step.active .progress-dot {
  background: var(--accent-grad);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(230,57,70,0.4);
}
.progress-step.done .progress-dot {
  background: #51cf66;
  color: var(--white);
}
.progress-step span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  transition: color var(--transition);
}
.progress-step.active span,
.progress-step.done span { color: var(--primary); }
.progress-line {
  flex: 1;
  height: 2px;
  background: var(--gray-200);
  margin: 0 0.75rem;
  margin-bottom: 1.2rem;
  position: relative;
  overflow: hidden;
}
.progress-line.done::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-grad);
  border-radius: 2px;
}

/* ---- Form Steps ---- */
.form-step { padding: 2.5rem 2.5rem 2rem; }
.form-step.hidden { display: none; }

.form-step-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.step-badge {
  background: var(--accent-grad);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
  flex-shrink: 0;
}

/* ---- Form Groups ---- */
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.form-label.required::after {
  content: '必須';
  background: var(--accent);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1.1rem;
  border: 2px solid var(--gray-200);
  border-radius: 10px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.93rem;
  color: var(--primary);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.12);
}
.form-input.invalid,
.form-select.invalid {
  border-color: #e03131;
  box-shadow: 0 0 0 3px rgba(224,49,49,0.1);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--gray-400); }
.form-textarea { resize: vertical; min-height: 100px; }

.select-wrap { position: relative; }
.select-arrow {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  font-size: 0.8rem;
}

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

/* ---- Radio Cards ---- */
.radio-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
}
.radio-card { cursor: pointer; }
.radio-card input { display: none; }
.rc-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1.1rem 0.75rem;
  border: 2px solid var(--gray-200);
  border-radius: 12px;
  background: var(--white);
  transition: all var(--transition);
  text-align: center;
}
.rc-inner i {
  font-size: 1.4rem;
  color: var(--gray-400);
  transition: color var(--transition);
}
.rc-inner span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: color var(--transition);
}
.radio-card input:checked + .rc-inner {
  border-color: var(--accent);
  background: rgba(230,57,70,0.05);
  box-shadow: 0 4px 16px rgba(230,57,70,0.15);
}
.radio-card input:checked + .rc-inner i { color: var(--accent); }
.radio-card input:checked + .rc-inner span { color: var(--accent); font-weight: 700; }
.rc-inner:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ---- Error ---- */
.error-msg {
  font-size: 0.78rem;
  color: #e03131;
  margin-top: 0.4rem;
  min-height: 1rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* ---- Navigation Buttons ---- */
.form-nav {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
}
.form-nav.two-col {
  justify-content: space-between;
  align-items: center;
}
.btn-next {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent-grad);
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(230,57,70,0.35);
  transition: all var(--transition);
}
.btn-next:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(230,57,70,0.5);
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: none;
  border: 2px solid var(--gray-200);
  color: var(--gray-600);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.8rem 1.5rem;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-back:hover {
  border-color: var(--gray-400);
  color: var(--primary);
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #2ecc71, #1abc9c);
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  box-shadow: 0 6px 24px rgba(46,204,113,0.4);
  transition: all var(--transition);
}
.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(46,204,113,0.5);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ---- Confirm Table ---- */
.confirm-table {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  margin-bottom: 1.5rem;
}
.confirm-row {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
}
.confirm-row:last-child { border-bottom: none; }
.confirm-row:nth-child(even) { background: var(--gray-50); }
.confirm-key {
  width: 38%;
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray-600);
  border-right: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
}
.confirm-val {
  flex: 1;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--primary);
  word-break: break-all;
}

/* ---- Privacy Note ---- */
.privacy-note {
  display: flex;
  gap: 0.75rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
}
.privacy-note i { color: var(--gray-400); flex-shrink: 0; margin-top: 2px; font-size: 0.9rem; }
.privacy-note p { font-size: 0.8rem; color: var(--gray-600); line-height: 1.7; }

/* ---- Complete Screen ---- */
.form-complete {
  padding: 4rem 2.5rem;
  text-align: center;
}
.form-complete.hidden { display: none; }
.complete-icon {
  font-size: 5rem;
  color: #51cf66;
  margin-bottom: 1.5rem;
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}
@keyframes popIn {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.form-complete h2 {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 0.75rem;
}
.form-complete p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.form-complete strong { color: var(--primary); }
.complete-next {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.next-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--gray-600);
}
.next-item i {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .form-step { padding: 1.5rem 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .radio-cards { grid-template-columns: repeat(3, 1fr); }
  .progress-bar { padding: 1.2rem 1rem; }
  .form-wrap { border-radius: 0; }
  .form-nav.two-col { gap: 0.75rem; }
  .btn-next, .btn-submit { font-size: 0.9rem; padding: 0.8rem 1.4rem; }
}