/* Register Page Styles */

/* メインインナーのスタイル */
.main-inner {
  background-color: #f8fafa;
  padding: 2.8rem 0 0 0;
}

.register-page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.8rem 1rem 14rem;
}

.register-page__container {
  width: 100%;
  max-width: 52rem;
  background-color: var(--color-white);
  border-radius: 2rem;
  padding: 6.4rem 6.4rem 4rem;
}

.register-page__header {
  text-align: center;
  margin-bottom: 2.4rem;
}

.register-page__logo {
  margin-bottom: 0.7rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.register-page__logo-img {
  width: 12rem;
  height: 5.8rem;
  display: block;
  margin: 0 auto;
}

.register-page__title {
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin: 0;
}

/* Form Styles */
.register-form {
  display: flex;
  flex-direction: column;
}

.register-form__field-group {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.7rem;
}

.register-form__field-group:last-of-type {
  margin-bottom: 4.9rem;
}

.register-form__error-message {
  color: var(--color-danger);
  font-size: 1.2rem;
  margin-top: 0.4rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.register-form__error-message--visible {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.register-form__label {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
}

.register-form__required {
  color: var(--color-danger);
  font-size: 1.4rem;
}

.register-form__optional {
  color: rgba(0, 0, 0, 0.6);
  font-size: 1.4rem;
  font-weight: 500;
  margin-left: 0.9rem;
}

/* ===============================
   入力フィールド
   =============================== */
.register-form__input {
  width: 100%;
  height: 4rem;
  line-height: 4rem; /* ← 高さと揃えて縦中央を固定 */
  padding: 0 2rem;
  border: 0.1rem solid rgba(0, 0, 0, 0.6);
  border-radius: 0.5rem;
  font-size: 1.6rem;
  font-family: "Yu Gothic", sans-serif;
  color: rgba(0, 0, 0, 0.6);
  background-color: var(--color-white);
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}

.register-form__input:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 0 0.125rem rgba(74, 144, 226, 0.1);
}

.register-form__input--error {
  border-color: var(--color-danger);
  background-color: #fff5f5;
}

.register-form__input--error:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 0.125rem rgba(255, 68, 68, 0.1);
}

.register-form__input::placeholder {
  color: rgba(0, 0, 0, 0.6);
}

/* ========== 生年月日入力 ========== */
.register-form__input--date {
  cursor: pointer;
  padding-right: 4.8rem; /* アイコン分の余白 */
}

/* Date Input Wrapper */
.register-form__date-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

/* 📅 カレンダーアイコン右端＆中央揃え */
.register-form__calendar-btn {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 12px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.register-form__calendar-btn:hover {
  opacity: 1;
}

.register-form__calendar-icon {
  width: 20px;
  height: 20px;
  stroke: #555;
  pointer-events: none;
}

/* ===============================
   セレクトボックス
   =============================== */
.register-form__select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.register-form__select {
  width: 100%;
  height: 4rem;
  line-height: 4rem;
  padding: 0 2rem;
  padding-right: 4rem;
  border: 0.1rem solid rgba(0, 0, 0, 0.6);
  border-radius: 0.5rem;
  font-size: 1.6rem;
  font-family: "Yu Gothic", sans-serif;
  color: var(--color-text-primary);
  background-color: var(--color-white);
  cursor: pointer;
  appearance: none;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}

.register-form__select:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 0 0.125rem rgba(74, 144, 226, 0.1);
}

.register-form__select-icon {
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: rgba(0, 0, 0, 0.6);
}

/* ===============================
   チェックボックス
   =============================== */
.register-form__checkbox-group {
  margin-top: 0.4rem;
}

.register-form__checkbox-group + .register-form__checkbox-group {
  margin-top: 1.8rem;
}

.register-form__checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
}

.register-form__checkbox {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 0.5rem;
  margin: 0;
  cursor: pointer;
  appearance: none;
  border: 0.2rem solid #000000;
  background-color: #ffffff;
  position: relative;
}

.register-form__checkbox:checked {
  background-color: #ffffff;
  border-color: #000000;
}

.register-form__checkbox:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #000000;
  font-size: 1rem;
  font-weight: bold;
}

.register-form__checkbox-text {
  color: var(--color-text-primary);
  flex: 1;
}

/* ===============================
   パスワードアイコン（常に中央）
   =============================== */
.password-toggle-icon {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: auto;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.password-toggle-icon:hover {
  opacity: 1;
}

.password-toggle-icon svg {
  width: 17px;
  height: 17px;
  stroke: #555;
  pointer-events: none;
}

/* ===============================
   送信ボタン
   =============================== */
.register-form__submit {
  width: 100%;
  height: 5.4rem;
  line-height: 5.4rem;
  background-color: #b8c6cf;
  color: var(--color-white);
  border: none;
  border-radius: 1rem;
  font-size: 2rem;
  font-weight: 700;
  cursor: not-allowed;
  transition: all 0.3s ease;
  margin: 3.5rem 0 2.5rem;
}

.register-form__submit:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-white);
  cursor: pointer;
  opacity: 1;
}

.register-form__submit:not(:disabled):hover {
  background-color: #2e5bba;
  transform: translateY(-0.1rem);
  box-shadow: 0 0.2rem 0.8rem rgba(var(--color-primary-rgb), 0.3);
}

/* ===============================
   レスポンシブ
   =============================== */
@media (max-width: 768px) {
  .register-page {
    padding: 1rem 1rem 4.1rem;
  }

  .register-page__container {
    padding: 10.2rem 3.2rem;
  }

  .register-form__input,
  .register-form__select {
    font-size: 1.6rem;
    height: 4.4rem;
    line-height: 4.4rem; /* ← 高さと揃える */
    padding: 0 1.6rem;
  }

  /* 📅 モバイルでも右端固定 */
  .register-form__calendar-btn {
    right: 0;
    padding-right: 10px;
  }

  .register-form__checkbox-label {
    font-size: 1.4rem;
  }

  .register-form__submit {
    font-size: 2rem;
    width: 100%;
    height: 6rem;
    line-height: 6rem;
    margin: 3.5rem 0 2.5rem;
  }
}

/* Register page: custom select adjustments */
.register-page .custom-select__button {
  height: 4.2rem;
  font-size: 1.6rem;
}

@media (max-width: 768px) {
  .register-page .custom-select__button {
    height: 4.4rem;
    padding: 1.2rem 0.8rem 1.2rem 1.6rem;
  }
}
.register-form__link {
  color: #007bff;
  text-decoration: underline;
}
.birth-select-wrapper {
  display: flex;
  gap: 0.8rem;
}

.birth-select-wrapper select {
  flex: 1;
}