/* ===== フォームバリデーション エラーポップアップ ===== */

/* オーバーレイ */
.form-error-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.form-error-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ポップアップカード */
.form-error-popup {
  background: #ffffff;
  border-radius: 0;
  padding: 2.8rem 3rem 2.4rem;
  width: min(420px, 90vw);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.form-error-overlay.is-visible .form-error-popup {
  transform: translateY(0) scale(1);
}

/* アイコン */
.form-error-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fee2e2;
  margin: 0 auto 1.4rem;
}

.form-error-icon svg {
  width: 24px;
  height: 24px;
  stroke: #dc2626;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* タイトル */
.form-error-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #111;
  text-align: center;
  margin-bottom: 1rem;
}

/* エラーリスト */
.form-error-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-error-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: #dc2626;
  letter-spacing: 0.02em;
}

.form-error-list li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #dc2626;
}

/* 閉じるボタン */
.form-error-close {
  display: block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: #111;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.form-error-close:hover {
  background: #333;
  transform: translateY(-1px);
}

.form-error-close:active {
  transform: translateY(0);
}

/* ===== フォーム送信完了ポップアップ（成功時） ===== */
.form-success-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f3f4f6; /* 薄いグレー */
  margin: 0 auto 1.4rem;
}

.form-success-icon svg {
  width: 24px;
  height: 24px;
  stroke: #111; /* 黒色 */
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.form-success-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #111;
  text-align: center;
  margin-bottom: 1rem;
}

.form-success-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-success-list li {
  font-size: 0.875rem;
  font-weight: 400;
  color: #111;
  text-align: center;
  line-height: 1.6;
}

.form-success-close {
  display: block;
  width: 100%;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: #111; /* 黒色 */
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.form-success-close:hover {
  background: #333; /* 濃いグレー */
  transform: translateY(-1px);
}

.form-success-close:active {
  transform: translateY(0);
}