/* ======================================================
   DXサポートデスク アンケート カスタムスタイル
   ====================================================== */

/* ── 日本語システムフォント ── */
body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans",
               "Noto Sans JP", "Yu Gothic", YuGothic,
               "BIZ UDPGothic", Meiryo, sans-serif;
  background-color: #f8f9fa;
}

/* ── セクション切替 ── */
.survey-section.hidden {
  display: none;
}

/* ── 進捗バー：アニメーション ── */
#progress-bar {
  transition: width 0.5s ease-in-out;
}

/* ── ステップドット ── */
.step-dot {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background-color: #e5e7eb;
  color: #9ca3af;
  transition: background-color 0.3s, color 0.3s;
}

.step-dot.active {
  background-color: #2563eb;
  color: #fff;
}

.step-dot.done {
  background-color: #16a34a;
  color: #fff;
}

/* ── ドット間のライン ── */
.step-connector {
  flex: 1;
  height: 2px;
  background-color: #e5e7eb;
  margin: 0 4px;
  margin-bottom: 1.2rem;
  transition: background-color 0.3s;
}

.step-connector.done {
  background-color: #16a34a;
}

/* ── ラジオ・チェックボックスラベル ── */
.radio-label,
.checkbox-label {
  display: flex;
  align-items: center;
  padding: 0.6rem 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: #374151;
  transition: border-color 0.2s, background-color 0.2s;
}

.radio-label:hover,
.checkbox-label:hover {
  border-color: #2563eb;
  background-color: #eff6ff;
}

.radio-label input[type="radio"]:checked ~ *,
.checkbox-label input[type="checkbox"]:checked ~ * {
  color: #1d4ed8;
  font-weight: 600;
}

/* ── エラーメッセージ ── */
.error-msg {
  color: #ef4444;
  font-size: 0.75rem;
  margin-top: 0.375rem;
}

/* グループのエラーボーダー */
.has-error {
  border: 1px solid #fca5a5;
  border-radius: 0.75rem;
  padding: 0.75rem;
  background-color: #fff1f2;
}

/* ── テキストエリア focus ring ── */
textarea:focus,
input[type="text"]:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ── ナビゲーションボタン ── */
.nav-btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.5rem;
  background-color: #2563eb;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

.nav-btn-primary:hover {
  background-color: #1d4ed8;
}

.nav-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.nav-btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.5rem;
  background-color: #f3f4f6;
  color: #374151;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  cursor: pointer;
  transition: background-color 0.2s;
}

.nav-btn-secondary:hover {
  background-color: #e5e7eb;
}

.nav-btn-submit {
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.5rem;
  background-color: #16a34a;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.75rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

.nav-btn-submit:hover {
  background-color: #15803d;
}

.nav-btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── アコーディオン（カテゴリ投票） ── */
.accordion-item {
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1rem;
  cursor: pointer;
  user-select: none;
  background-color: #f9fafb;
  transition: background-color 0.2s;
}

.accordion-header:hover {
  background-color: #eff6ff;
}

.accordion-header.open {
  background-color: #eff6ff;
  border-bottom: 1px solid #dbeafe;
}

.accordion-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #1e3a8a;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.accordion-counter {
  font-size: 0.75rem;
  font-weight: 600;
  color: #6b7280;
  background-color: #f3f4f6;
  border-radius: 9999px;
  padding: 0.125rem 0.625rem;
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s;
}

.accordion-counter.has-selection {
  background-color: #dbeafe;
  color: #1d4ed8;
}

.accordion-chevron {
  transition: transform 0.25s ease;
  color: #6b7280;
  font-size: 0.875rem;
}

.accordion-chevron.open {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 0.75rem 1rem 1rem;
  background-color: #fff;
}

.accordion-body.open {
  display: block;
}

/* カテゴリ内チェックボックス */
.cat-checkbox-label {
  display: flex;
  align-items: flex-start;
  padding: 0.5rem 0.75rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.8125rem;
  color: #374151;
  transition: border-color 0.2s, background-color 0.2s;
  margin-bottom: 0.375rem;
}

.cat-checkbox-label:hover {
  border-color: #2563eb;
  background-color: #eff6ff;
}

.cat-checkbox-label input[type="checkbox"] {
  margin-right: 0.5rem;
  margin-top: 0.125rem;
  flex-shrink: 0;
  accent-color: #2563eb;
}

.cat-checkbox-label.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background-color: #f9fafb;
}

/* カテゴリ制限エラー */
.cat-limit-msg {
  font-size: 0.75rem;
  color: #ef4444;
  padding: 0.375rem 0.5rem;
  background-color: #fff1f2;
  border-radius: 0.375rem;
  display: none;
  margin-top: 0.5rem;
}

/* ── スピナー ── */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255,255,255,0.5);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.4rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── 文字数カウンター（残りわずか） ── */
.count-warning {
  color: #ef4444;
}

/* ── フォーカスリング（テキスト系） ── */
input[type="text"]:focus-visible,
textarea:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 1px;
}

/* ── ローディングスピナー（ページ読み込み用・大） ── */
.loading-spinner {
  animation: spin 0.8s linear infinite;
}

/* ── ローディング画面・エラー画面のアニメーション ── */
#loading-screen,
#error-screen {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}