/* ============================================ */
/* デジタルこどもBASE サイト内フォーム共通スタイル */
/* ============================================ */

.dkb-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 720px;
  margin: 12px auto 0;
}

.dkb-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dkb-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.dkb-form-label {
  font-weight: bold;
  font-size: 0.95rem;
  color: #333;
}

.dkb-form-required {
  color: #e90114;
  margin-left: 4px;
  font-size: 0.85rem;
}

.dkb-form-input,
.dkb-form-select,
.dkb-form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  color: #333;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dkb-form-input:focus,
.dkb-form-select:focus,
.dkb-form-textarea:focus {
  outline: none;
  border-color: #1abc9c;
  box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.15);
}

.dkb-form-textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.6;
}

.dkb-form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 4px 0;
}

.dkb-form-radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.95rem;
}

.dkb-form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.6;
}

.dkb-form-checkbox input {
  margin-top: 4px;
  flex-shrink: 0;
}

.dkb-form-checkbox a {
  color: #1abc9c;
  text-decoration: underline;
}

.dkb-form-hint {
  font-size: 0.82rem;
  color: #888;
  margin-top: 4px;
}

.dkb-form-submit-wrap {
  text-align: center;
  margin-top: 8px;
}

.dkb-form-submit {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, #1abc9c, #16a085);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 1.05rem;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, opacity 0.15s ease;
  box-shadow: 0 4px 14px rgba(26, 188, 156, 0.35);
}

.dkb-form-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(26, 188, 156, 0.45);
}

.dkb-form-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.dkb-form-error {
  padding: 14px 18px;
  background: #fff0f0;
  border-left: 4px solid #e90114;
  color: #c0392b;
  border-radius: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.dkb-form-success {
  padding: 32px 24px;
  background: #f0fdf8;
  border: 2px solid #1abc9c;
  border-radius: 12px;
  text-align: center;
}

.dkb-form-success h3 {
  color: #16a085;
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.dkb-form-success p {
  color: #444;
  line-height: 1.8;
}

.dkb-form-turnstile {
  display: flex;
  justify-content: center;
  margin-top: 4px;
}

@media (max-width: 600px) {
  .dkb-form-row { grid-template-columns: 1fr; gap: 18px; }
  .dkb-form-submit { padding: 13px 32px; font-size: 1rem; }
}