/**
 * Form Kit — 既定テーマ（ドロップイン）
 */

.fk-form {
  --fk-fg: var(--color-text-main, #222222);
  --fk-muted: var(--color-text-muted, #666666);
  --fk-border: var(--color-border, #e0e0e0);
  --fk-bg: #ffffff;
  --fk-accent: var(--color-primary, #8B1E24);
  --fk-accent-fg: #ffffff;
  --fk-error: #d93025;
  --fk-radius: 10px;

  box-sizing: border-box;
  width: 100%;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  color: var(--fk-fg);
  font-size: 1rem;
  line-height: 1.6;
}

.fk-form *,
.fk-form *::before,
.fk-form *::after { box-sizing: border-box; }

.fk-field { display: flex; flex-direction: column; gap: 0.4rem; }

.fk-field label,
.fk-form legend {
  font-weight: 800;
  font-size: 1.05rem;
}

.fk-req {
  background-color: var(--color-primary, #8B1E24);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  margin-left: 10px;
  vertical-align: middle;
  font-weight: 700;
}
.fk-hint { color: var(--fk-muted); font-size: 0.85rem; }

.fk-form input:not([type=checkbox]):not([type=radio]),
.fk-form select,
.fk-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--color-border, #ddd);
  border-radius: 10px;
  font-size: 1.05rem;
  font-family: inherit;
  background-color: var(--color-bg-warm, #fcfcfc);
  transition: all 0.3s ease;
}
.fk-form textarea { min-height: 160px; resize: vertical; }

.fk-form input:focus-visible,
.fk-form select:focus-visible,
.fk-form textarea:focus-visible,
.fk-form button:focus-visible {
  outline: none;
  border-color: var(--color-primary, #8B1E24);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(139, 30, 36, 0.1);
}

.fk-form [aria-invalid="true"] {
  border-color: var(--fk-error);
  box-shadow: 0 0 0 3px rgba(217, 48, 37, 0.15);
}

.fk-error {
  margin: 6px 0 0 0;
  color: var(--fk-error);
  font-size: 0.88rem;
  font-weight: 700;
}
.fk-error:empty { display: none; }
.fk-error::before { content: "⚠️ "; }

/* 送信ボタン・アクション */
.fk-form button {
  font-family: inherit;
  cursor: pointer;
}

.fk-form button:disabled { opacity: 0.6; cursor: progress; }

.fk-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; align-items: center; margin-top: 1rem; }

/* 確認画面 */
.fk-review {
  margin: 0 0 2rem 0;
  border: 1px solid var(--color-border, #e5e5e5);
  border-radius: 12px;
  overflow: hidden;
  background: #fafafa;
}
.fk-review-row {
  display: grid;
  grid-template-columns: minmax(8rem, 30%) 1fr;
}
.fk-review-row + .fk-review-row { border-top: 1px solid #e5e5e5; }
.fk-review dt {
  padding: 14px 18px;
  font-weight: 700;
  color: #444444;
  background: #f0f0f0;
  font-size: 0.95rem;
}
.fk-review dd {
  margin: 0;
  padding: 14px 18px;
  font-weight: 600;
  color: #222222;
  font-size: 1.02rem;
  white-space: pre-wrap;   /* textarea の改行を保持 */
  word-break: break-word;
}

/* ステータス表示 */
.fk-status { margin: 1rem 0; padding: 0.85rem 1.2rem; border-radius: 8px; font-weight: 700; font-size: 0.95rem; text-align: center; }
.fk-status:empty { display: none; }
.fk-status--success { background: #e6f4ea; color: #137333; border: 1px solid #ceead6; }
.fk-status--error { background: #fce8e6; color: #c5221f; border: 1px solid #fad2cf; }

/* ハニーポット */
.fk-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* 完了メッセージ */
.fk-done { text-align: center; padding: 2rem 1rem; }

@media (max-width: 600px) {
  .fk-review-row { grid-template-columns: 1fr; }
  .fk-review dt { padding-bottom: 6px; }
  .fk-review dd { padding-top: 4px; }
}