/* ==============================================
   signup-efo.css — 入会フォーム 3ステップEFO専用スタイル
   INTRANCE Members
   ============================================== */

/* ── ステップ進捗バー ── */
.step-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  position: relative;
}
.step-progress__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
  max-width: 160px;
}
.step-progress__item::before {
  content: '';
  position: absolute;
  top: 20px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}
.step-progress__item:last-child::before { display: none; }
.step-progress__item.is-done::before {
  background: var(--color-accent);
}
.step-progress__circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-light);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}
.step-progress__item.is-active .step-progress__circle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 0 0 4px rgba(26,43,74,0.15);
}
.step-progress__item.is-done .step-progress__circle {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}
.step-progress__label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-light);
  margin-top: 8px;
  letter-spacing: 0.03em;
  text-align: center;
}
.step-progress__item.is-active .step-progress__label {
  color: var(--color-primary);
  font-weight: 700;
}

/* ── フォームステップ本体 ── */
.form-step {
  display: none;
  animation: stepFadeIn 0.4s ease;
}
.form-step.is-active {
  display: block;
}
@keyframes stepFadeIn {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── 入力フォームのフィールド（apply.cssと統一） ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 28px;
}
.form-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
  flex-wrap: wrap;
}
.form-required {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: 2px;
}
.form-optional {
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-light);
  background: rgba(0,0,0,0.06);
  padding: 2px 8px;
  border-radius: 2px;
}
.form-input-wrap {
  position: relative;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  min-height: 52px;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(91,122,112,0.15);
}
.form-input.is-valid  { border-color: #2F9E44; }
.form-input.is-error  { border-color: #c0392b; }
.form-select.is-valid { border-color: #2F9E44; }

.form-input-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
}
.form-input-icon--ok  { color: #2F9E44; }
.form-input-icon--err { color: #c0392b; }

.form-error-msg {
  display: none;
  font-size: 12px;
  color: #c0392b;
  margin-top: 6px;
}
.form-error-msg.is-visible {
  display: block;
}
.form-hint {
  font-size: 12px;
  color: var(--color-text-light);
  margin-top: 6px;
  line-height: 1.6;
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ── 生年月日 ドロップダウン並び ── */
.form-dob-group {
  display: flex;
  gap: 10px;
  align-items: center;
}
.form-dob-group .form-select-wrap {
  position: relative;
}
.form-dob-group .form-select-wrap--year  { flex: 3; }
.form-dob-group .form-select-wrap--month,
.form-dob-group .form-select-wrap--day   { flex: 2; }
.form-select {
  padding-right: 36px;
}
.form-select-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--color-text-light);
  pointer-events: none;
}
.form-dob-unit {
  font-size: 14px;
  color: var(--color-text-light);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── ラジオボタン ── */
.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-radio {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  cursor: pointer;
  padding: 14px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  line-height: 1.5;
  min-height: 52px;
}
.form-radio:hover {
  border-color: var(--color-accent);
  background: rgba(91,122,112,0.04);
}
.form-radio input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.form-radio__custom {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #CCC;
  flex-shrink: 0;
  position: relative;
  transition: all 0.3s ease;
}
.form-radio input:checked ~ .form-radio__custom {
  border-color: var(--color-accent);
}
.form-radio input:checked ~ .form-radio__custom::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--color-accent);
}
.form-radio:has(input:checked) {
  border-color: var(--color-accent);
  background: rgba(91,122,112,0.06);
}

/* ── チェックボックス ── */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  cursor: pointer;
  padding: 16px 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  line-height: 1.6;
}
.form-checkbox:hover {
  border-color: var(--color-accent);
  background: rgba(91,122,112,0.04);
}
.form-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.form-checkbox__custom {
  width: 22px;
  height: 22px;
  border: 2px solid #CCC;
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.3s ease;
  position: relative;
  display: block;
}
.form-checkbox input:checked ~ .form-checkbox__custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.form-checkbox input:checked ~ .form-checkbox__custom::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 7px;
  height: 11px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}
.form-checkbox:has(input:checked) {
  border-color: var(--color-accent);
  background: rgba(91,122,112,0.06);
}
.form-checkbox__text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── ボタン行 ── */
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}
.form-actions--right {
  justify-content: flex-end;
}
.btn-form-next,
.btn-form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 52px;
}
.btn-form-next:hover,
.btn-form-submit:hover {
  background: #253d6a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,43,74,0.3);
}
.btn-form-next:disabled,
.btn-form-submit:disabled {
  background: #999;
  transform: none;
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.6;
}
.btn-form-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 16px 24px;
  background: none;
  color: var(--color-text-light);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 52px;
}
.btn-form-back:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── 郵便番号エリア ── */
.form-postcode-wrap {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.form-postcode-wrap .form-input-wrap {
  flex: 1;
}
.btn-postcode-search {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 20px;
  background: var(--color-accent);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.3s ease;
  min-height: 52px;
  flex-shrink: 0;
}
.btn-postcode-search:hover {
  background: #4a6960;
  transform: translateY(-1px);
}

/* ── 送信完了 ── */
.form-complete {
  display: none;
  text-align: center;
  padding: 56px 24px;
  animation: stepFadeIn 0.5s ease;
}
.form-complete.is-active { display: block; }
.form-complete__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-accent);
  color: white;
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.form-complete__title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.form-complete__desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 2;
  max-width: 480px;
  margin: 0 auto 32px;
}
.form-complete__back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-accent);
  text-decoration: none;
  padding: 12px 24px;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.form-complete__back-link:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ── レスポンシブ ── */
@media (max-width: 480px) {
  .step-progress__item {
    max-width: 80px;
  }
  .step-progress__label {
    font-size: 9px;
    letter-spacing: 0;
  }
  .step-progress__circle {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
}

@media (max-width: 600px) {
  .form-row           { grid-template-columns: 1fr; }
  .form-dob-group     { flex-wrap: wrap; }
  .form-postcode-wrap { flex-direction: column; }
  .btn-postcode-search { width: 100%; justify-content: center; }
  .form-actions {
    flex-direction: column-reverse;
    gap: 12px;
  }
  .btn-form-next,
  .btn-form-submit,
  .btn-form-back {
    width: 100%;
    justify-content: center;
  }
}

/* ── ステップ見出し ── */
.form-step__heading {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: 28px;
  font-weight: 500;
}

/* ── 入力欄内単位テキスト ── */
.form-input-unit {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--color-text-light);
  pointer-events: none;
}