/* ==========================================================
   16-contact.css — お問い合わせセクション
   SP: 97-456 / PC: 91-471（モバイルファースト）
   ========================================================== */

.contact {
  position: relative;
  background-color: #f7f4ec;
  padding: 64px 22px 56px;
  overflow: hidden;
}

/* 金色のラジアルグラデーション装飾 */
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 77% 71%, rgba(201, 162, 75, 0.14) 0%, rgba(201, 162, 75, 0) 65%);
  pointer-events: none;
}

.contact__inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* --- 見出し --- */
.contact__header {
  text-align: center;
}

.contact__label {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: 5px;
  color: #e0a92e;
  margin-bottom: 14px;
}

.contact__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.74;
  color: #0a1128;
}

/* --- LINE誘導ブロック --- */
.contact__line {
  background-color: #06c755;
  border-radius: 10px;
  padding: 30px 20px;
  text-align: center;
  color: var(--color-white);
}

.contact__line-title {
  font-weight: 700;
  font-size: 20px;
  line-height: 1.8;
  letter-spacing: 0.6px;
}

.contact__line-text {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.6px;
}

.contact__line-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 307px;
  margin-top: 12px;
  padding: 12px 16px;
  border: 2px solid var(--color-white);
  border-radius: 4px;
  font-weight: 700;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 1.3px;
  color: var(--color-white);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ホバーで色反転(白地×LINEグリーン文字) */
.contact__line-btn:hover {
  background-color: var(--color-white);
  color: #06c755;
}

/* LINEアイコン(マスク方式・currentColorで文字色に追従) */
.contact__line-btn-icon {
  width: 17px;
  height: 16px;
  background-color: currentColor;
  -webkit-mask: url("../assets/108-688.svg") no-repeat center / contain;
  mask: url("../assets/108-688.svg") no-repeat center / contain;
  transition: background-color 0.3s ease;
}

/* --- フォーム --- */
/* 送信完了後の非表示(display:flex が hidden属性より優先されるのを防ぐ) */
.contact__form[hidden] {
  display: none;
}

.contact__form {
  background-color: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(10, 17, 40, 0.08);
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact__field-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--color-text);
}

.contact__required {
  font-weight: 700;
  font-size: 10px;
  line-height: 1.45;
  color: #e0a92e;
}

.contact__input,
.contact__select,
.contact__textarea {
  width: 100%;
  background-color: #fbfaf7;
  border: 1px solid #d6d1c4;
  border-radius: 6px;
  font-family: var(--font-base);
  font-size: 13.5px;
  color: var(--color-text);
}

.contact__input,
.contact__select {
  height: 46px;
  padding: 0 15px;
}

.contact__textarea {
  height: 96px;
  padding: 12px 15px;
  line-height: 1.63;
  resize: vertical;
}

.contact__input::placeholder,
.contact__textarea::placeholder {
  color: #757575;
}

.contact__input:focus,
.contact__select:focus,
.contact__textarea:focus {
  outline: 2px solid rgba(201, 162, 75, 0.45);
  outline-offset: -1px;
}

/* --- バリデーションエラー表示 --- */
.contact__input.is-invalid,
.contact__select.is-invalid,
.contact__textarea.is-invalid {
  border-color: #cf5b4c;
  background-color: #fdf6f5;
}

.contact__checkbox.is-invalid {
  outline: 2px solid rgba(207, 91, 76, 0.6);
  outline-offset: 1px;
}

.contact__field-error {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.6;
  color: #b3402f;
}

/* 同意チェックのエラーはチェックボックス直下に寄せる */
.contact__agree + .contact__field-error {
  margin-top: -10px;
}

/* セレクト（カスタム矢印） */
.contact__select-wrap {
  position: relative;
}

.contact__select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 31px;
  cursor: pointer;
}

.contact__select-wrap::after {
  content: "▾";
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  font-size: 13.5px;
  line-height: 1;
  color: var(--color-gold);
  pointer-events: none;
}

/* 同意チェック */
.contact__agree {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.contact__checkbox {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--color-gold);
  cursor: pointer;
}

.contact__agree-text {
  font-size: 12px;
  line-height: 1.2;
  color: #555555;
}

.contact__agree-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.3s ease;
}

.contact__agree-link:hover {
  color: var(--color-gold);
}

/* 送信ボタン */
.contact__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 58px;
  margin-top: 6px;
  background: linear-gradient(180deg, #e3c87e 0%, #c9a24b 100%);
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(201, 162, 75, 0.3);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1.8px;
  color: #141005;
  transition: opacity 0.3s ease;
}

.contact__submit:hover {
  opacity: 0.85;
}

.contact__submit-icon {
  width: 14px;
  height: 10px;
}

/* --- PC --- */
@media (min-width: 768px) {
  .contact {
    padding: 120px 40px 100px;
  }

  .contact::before {
    background: radial-gradient(circle at 70% 0%, rgba(201, 162, 75, 0.14) 0%, rgba(201, 162, 75, 0) 65%);
  }

  .contact__inner {
    gap: 40px;
  }

  .contact__label {
    font-size: 15px;
    letter-spacing: 6px;
    margin-bottom: 18px;
  }

  .contact__title {
    font-size: 40px;
    line-height: 1.7;
  }

  .contact__line {
    padding: 30px 44px;
  }

  .contact__line-text {
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.9;
  }

  .contact__line-btn {
    margin-top: 24px;
    padding: 15.5px 16px;
  }

  .contact__form {
    border: 1px solid rgba(201, 162, 75, 0.35);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(10, 17, 40, 0.08);
    padding: 45px 43px;
    gap: 20px;
  }

  .contact__input,
  .contact__select,
  .contact__textarea {
    font-size: 14px;
  }

  .contact__input,
  .contact__select {
    height: 45px;
  }

  .contact__textarea {
    height: 125px;
    padding: 14px 15px;
  }

  .contact__agree {
    gap: 13px;
    padding-left: 4px;
  }

  .contact__agree-text {
    font-size: 12.5px;
  }

  .contact__submit {
    height: 64px;
    gap: 10px;
    font-size: 17px;
  }
}

/* --- 送信完了・エラー表示(Googleフォーム連携) --- */

.contact__error {
  margin: 0;
  padding: 12px 14px;
  background-color: #fdf3f2;
  border: 1px solid #e8b4ae;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: #b3402f;
}

.contact__submit:disabled {
  opacity: 0.6;
  cursor: default;
}

.contact__done {
  background-color: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(10, 17, 40, 0.08);
  padding: 48px 20px;
  text-align: center;
}

.contact__done-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--color-text);
}

.contact__done-text {
  margin: 0;
  font-size: 14px;
  line-height: 2;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .contact__done {
    border-radius: 12px;
    padding: 72px 40px;
  }

  .contact__done-title {
    font-size: 22px;
  }
}

/* --- 狭い画面(〜389px)での改行調整 --- */
@media (max-width: 389px) {
  .contact__title {
    font-size: 21px;
  }
}