/* -----------------------------------------------------------------------
   form.css — BORN STEM 購入お問い合わせフォーム専用スタイル
   クラス命名は FLOCSS に準拠（l-: Layout / c-: Component / p-: Project / u-: Utility）
   BEM（block__element--modifier）を併用
----------------------------------------------------------------------- */

/* -----------------------------------------------------------------------
   Utility: ハニーポット非表示
   単一機能を表現するために複数プロパティが不可分な確立ユーティリティ
----------------------------------------------------------------------- */
.u-hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* -----------------------------------------------------------------------
   Layout: フォームページ外枠
----------------------------------------------------------------------- */
.l-form-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* -----------------------------------------------------------------------
   Project: お問い合わせページ固有
----------------------------------------------------------------------- */

/* h1 にダッシュ装飾を付与（テキスト本体にはダッシュを含めない） */
.p-contact__title {
  position: relative;
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  line-height: 1.4;
}
.p-contact__title::before,
.p-contact__title::after {
  content: '–';
  display: inline-block;
  margin: 0 .6em;
  color: #888;
  font-weight: normal;
}

.p-contact__lead {
  font-size: .95rem;
  color: #555;
  line-height: 1.8;
  margin-bottom: 2rem;
  text-align: center;
}

/* -----------------------------------------------------------------------
   Project: プライバシーポリシー モーダル
----------------------------------------------------------------------- */
.p-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.p-modal[hidden] {
  display: none;
}

.p-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .5);
}

.p-modal__content {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 6px;
  padding: 2rem 1.5rem;
  width: min(90vw, 480px);
  max-height: 80vh;
  overflow-y: auto;
}

.p-modal__title {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 1rem;
  letter-spacing: .05em;
}

.p-modal__body {
  font-size: .9rem;
  color: #444;
  line-height: 1.8;
}

.p-modal__close {
  position: absolute;
  top: .6rem;
  right: .8rem;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: #666;
  line-height: 1;
  padding: .2rem .4rem;
}

.p-modal__close:hover {
  color: #333;
}

/* -----------------------------------------------------------------------
   Component: フォームグループ（ラベル + 入力 + エラーのセット）
----------------------------------------------------------------------- */
.c-form-group {
  margin-bottom: 1.4rem;
}

.c-form-group label {
  display: block;
  margin-bottom: .3rem;
  font-weight: bold;
  font-size: .95rem;
}

/* グループのラベルテキスト（label タグではなく span の場合） */
.c-form-group__label-text {
  display: block;
  margin-bottom: .4rem;
  font-weight: bold;
  font-size: .95rem;
}

/* -----------------------------------------------------------------------
   Component: 必須バッジ
----------------------------------------------------------------------- */
.c-required-badge {
  display: inline-block;
  margin-left: .3rem;
  padding: .1em .4em;
  border-radius: 3px;
  background: #d9534f;
  color: #fff;
  font-size: .7rem;
  vertical-align: middle;
}

/* -----------------------------------------------------------------------
   Component: 姓名横並び2分割
   モバイル（480px以下）では縦積みに切り替える
----------------------------------------------------------------------- */
.c-name-row {
  display: flex;
  gap: .8rem;
}

.c-name-row__field {
  flex: 1;
}

.c-name-row__field label {
  font-weight: normal;
  font-size: .9rem;
  color: #555;
}

@media (max-width: 480px) {
  .c-name-row {
    flex-direction: column;
    gap: .5rem;
  }
}

/* -----------------------------------------------------------------------
   Component: 入力フィールド共通
----------------------------------------------------------------------- */
input[type='text'],
input[type='tel'],
input[type='email'],
input[type='url'] {
  width: 100%;
  padding: .55rem .7rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color .15s;
}

input:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 0 2px rgba(0, 102, 204, .25);
}

input[aria-invalid='true'] {
  border-color: #d9534f;
}

/* -----------------------------------------------------------------------
   Component: フィールドエラー
----------------------------------------------------------------------- */
.c-field-error {
  display: block;
  margin-top: .25rem;
  color: #d9534f;
  font-size: .85rem;
  min-height: 1.2em;
}

/* -----------------------------------------------------------------------
   Component: ヒントテキスト
----------------------------------------------------------------------- */
.c-field-hint {
  display: block;
  margin-top: .2rem;
  color: #555;
  font-size: .8rem;
}

/* -----------------------------------------------------------------------
   Component: プライバシーポリシー行
----------------------------------------------------------------------- */
.c-form-group--privacy {
  margin-top: 1.8rem;
}

.c-privacy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .8rem;
}

.c-privacy-row__label {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-weight: normal;
}

/* テキストリンク風ボタン */
.c-btn--link {
  background: none;
  border: none;
  color: #0066cc;
  text-decoration: underline;
  cursor: pointer;
  font-size: .9rem;
  padding: 0;
}

.c-btn--link:hover {
  color: #0052a3;
}

/* -----------------------------------------------------------------------
   Component: フォーム送信ボタン
----------------------------------------------------------------------- */
.c-form-actions {
  margin-top: 2rem;
  text-align: center;
}

button[type='submit'] {
  padding: .75rem 3.5rem;
  background: #0066cc;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background .15s;
}

button[type='submit']:hover:not(:disabled) {
  background: #0052a3;
}

button[type='submit']:disabled {
  background: #aaa;
  cursor: not-allowed;
}

/* -----------------------------------------------------------------------
   Component: フォーム全体メッセージ
----------------------------------------------------------------------- */
.c-form-message {
  padding: .8rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: .95rem;
}

.c-form-message--success {
  background: #dff0d8;
  color: #3c763d;
  border: 1px solid #d6e9c6;
}

.c-form-message--error {
  background: #f2dede;
  color: #a94442;
  border: 1px solid #ebccd1;
}

/* -----------------------------------------------------------------------
   レスポンシブ追加
----------------------------------------------------------------------- */
@media (max-width: 480px) {
  .l-form-wrap {
    padding: 1.5rem 1rem 3rem;
  }

  .p-contact__title {
    font-size: 1.2rem;
  }

  button[type='submit'] {
    width: 100%;
  }
}