/* ========================================
   Interview Form CSS
   クライアントインタビュー用アンケートフォーム
   依存: critical.css, base.css
   8ptグリッドシステム準拠
======================================== */

/* ========================================
   セクション共通
======================================== */
.interview-section {
  padding: 4rem 5%;
  background: var(--color-white);
}

.interview-section__inner {
  max-width: 800px;
  margin: 0 auto;
}

/* ========================================
   ヘッダー
======================================== */
.interview-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-black);
}

.interview-header__en {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-black);
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}

.interview-header__jp {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.interview-header__client {
  display: inline-block;
  background: var(--color-black);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.5rem 1.5rem;
  letter-spacing: 0.05em;
}

/* ========================================
   イントロ
======================================== */
.interview-intro {
  background: rgba(51, 51, 51, 0.03);
  padding: 2rem;
  margin-bottom: 3rem;
  border-left: 4px solid var(--color-black);
}

.interview-intro__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 1rem;
}

.interview-intro__text {
  font-size: 1rem;
  line-height: var(--lh-body);
  color: var(--color-text);
  margin-bottom: 0;
}

.interview-intro__text:last-child {
  margin-bottom: 0;
}

/* ========================================
   フォーム全体
======================================== */
.interview-form {
  /* Contact Form 7のデフォルトスタイルをリセット */
}

.interview-form .wpcf7-form {
  /* CF7ラッパー */
}

/* ========================================
   質問ブロック
======================================== */
.interview-question {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(51, 51, 51, 0.1);
}

.interview-question:last-of-type {
  border-bottom: none;
  margin-bottom: 2rem;
  padding-bottom: 0;
}

/* 質問番号 */
.interview-question__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* 質問文 */
.interview-question__text {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 700;
  line-height: 1.8;
  color: var(--color-black);
  margin-bottom: 1rem;
}

/* テキストエリア */
.interview-question__input textarea {
  width: 100%;
  min-height: 120px;
  padding: 1rem;
  font-family: var(--font-ja);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-black);
  background: var(--color-white);
  border: 2px solid rgba(51, 51, 51, 0.2);
  border-radius: 0;
  resize: vertical;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.interview-question__input textarea:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: 0 0 0 3px rgba(51, 51, 51, 0.1);
}

.interview-question__input textarea::placeholder {
  color: rgba(51, 51, 51, 0.4);
}

/* ========================================
   送信ボタンエリア
======================================== */
.interview-submit {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-black);
}

.interview-submit__note {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: var(--lh-body);
}

/* 送信ボタン */
.interview-submit__button {
  display: inline-block;
  min-width: 280px;
  padding: 1.25rem 3rem;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-ja);
  font-size: 1.125rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.interview-submit__button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%
  );
  transition: left 0.4s ease;
}

.interview-submit__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.interview-submit__button:hover::before {
  left: 100%;
}

/* ホバー時に虹色文字 */
.interview-submit__button:hover,
.interview-submit__button:focus,
.interview-submit__button:active {
  background: var(--color-black);
}

.interview-submit__button:hover span,
.interview-submit__button:focus span,
.interview-submit__button:active span {
  background: var(--gradient-rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* CF7送信中状態 */
.interview-form .wpcf7-spinner {
  display: block;
  margin: 1rem auto 0;
}

/* ========================================
   サンクスメッセージ
======================================== */
.interview-form .wpcf7-response-output {
  margin: 2rem 0 0 !important;
  padding: 1.5rem !important;
  border: none !important;
  font-size: 1rem;
  line-height: var(--lh-body);
  text-align: center;
}

.interview-form .wpcf7-mail-sent-ok,
.interview-form .wpcf7 form.sent .wpcf7-response-output {
  background: var(--color-black);
  color: var(--color-white);
}

.interview-form .wpcf7-validation-errors,
.interview-form .wpcf7 form.invalid .wpcf7-response-output {
  background: #fff3f3;
  color: #cc0000;
  border-left: 4px solid #cc0000 !important;
}

/* ========================================
   エラー表示
======================================== */
.interview-form .wpcf7-not-valid-tip {
  color: #cc0000;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: block;
}

.interview-question__input textarea.wpcf7-not-valid {
  border-color: #cc0000;
}

/* ========================================
   フッターメッセージ
======================================== */
.interview-footer {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(51, 51, 51, 0.1);
}

.interview-footer__logo {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-black);
  margin-bottom: 0.5rem;
}

.interview-footer__logo-at {
  background: var(--gradient-rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.interview-footer__text {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: var(--lh-body);
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 768px) {
  .interview-section {
    padding: 3rem 1rem;
  }

  .interview-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
  }

  .interview-intro {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }

  .interview-question {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
  }

  .interview-question__number {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }

  .interview-question__input textarea {
    min-height: 100px;
    padding: 0.875rem;
  }

  .interview-submit__button {
    width: 100%;
    min-width: auto;
    padding: 1rem 2rem;
  }
}