/* ===========================
   リセット & ベース
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary:      #4f7cff;
  --primary-dark: #3a63e0;
  --accent:       #ff6b6b;
  --bg:           #f5f7fb;
  --surface:      #ffffff;
  --border:       #e2e8f0;
  --text:         #1a202c;
  --text-sub:     #718096;
  --green:        #38a169;
  --radius:       16px;
  --shadow:       0 4px 24px rgba(0,0,0,.08);
  --transition:   .22s ease;
}

html, body {
  height: 100%;
  font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN',
               'Noto Sans JP', 'YuGothic', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}
h1.page-title{
	display:none;
}

/* ===========================
   レイアウト
=========================== */
.app {
  display: flex;
  flex-direction: column;
/*   min-height: 100vh; */
}
.app .btn:after{
	display: none;
}

/* ===========================
   ヘッダー
=========================== */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  white-space: nowrap;
}

/* 進捗バー */
.progress-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-label {
  font-size: .75rem;
  color: var(--text-sub);
  white-space: nowrap;
  min-width: 56px;
}

.progress-bar-bg {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #7eb3ff);
  border-radius: 99px;
  transition: width .5s ease;
}

/* ===========================
   メイン
=========================== */
.main {
  flex: 1;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ===========================
   ステップ切替アニメ
=========================== */
.step {
  display: none;
  animation: fadeSlide .28s ease both;
}

.step.active {
  display: block;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===========================
   カード共通
=========================== */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px 40px;
  text-align: center;
}

/* ===========================
   ウェルカム画面
=========================== */
.welcome-card {
  max-width: 500px;
  margin: 0 auto;
}

.welcome-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.welcome-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.welcome-desc {
  color: var(--text-sub);
  margin-bottom: 32px;
  font-size: .95rem;
}

/* ===========================
   ステップヘッダー
=========================== */
.step-header {
  text-align: center;
  margin-bottom: 32px;
}

.step-number {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 99px;
  margin-bottom: 14px;
  letter-spacing: .04em;
}

.step-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-sub {
  color: var(--text-sub);
  font-size: .88rem;
}

/* ===========================
   Q1 選択肢グリッド
=========================== */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 520px) {
  .choice-grid { grid-template-columns: 1fr; }
}

.choice-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  cursor: pointer;
  text-align: left;
  transition: border-color var(--transition),
              box-shadow var(--transition),
              transform var(--transition);
  box-shadow: var(--shadow);
}

.choice-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 32px rgba(79,124,255,.18);
  transform: translateY(-3px);
}

.choice-card:active { transform: translateY(0); }

.choice-icon { font-size: 2rem; flex-shrink: 0; }

.choice-label {
  flex: 1;
  font-size: .95rem;
  line-height: 1.5;
  color: var(--text);
}

.choice-label strong { color: var(--primary); }

.choice-arrow {
  font-size: 1.4rem;
  color: var(--border);
  flex-shrink: 0;
  transition: color var(--transition), transform var(--transition);
}

.choice-card:hover .choice-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

.choice-card--other { border-style: dashed; }

.choice-card--other:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(255,107,107,.15);
}

.choice-card--other:hover .choice-arrow { color: var(--accent); }

/* ===========================
   ラジオカードグリッド（単一選択）
=========================== */
.radio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}

.radio-grid.col3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 560px) {
  .radio-grid.col3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 380px) {
  .radio-grid, .radio-grid.col3 { grid-template-columns: 1fr; }
}

/* ---- ラジオカード ---- */
.radio-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  cursor: pointer;
  text-align: center;
  transition: border-color var(--transition),
              box-shadow var(--transition),
              transform var(--transition),
              background var(--transition);
  box-shadow: var(--shadow);
  min-height: 90px;
}

.radio-card:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 24px rgba(79,124,255,.18);
  transform: translateY(-2px);
}

.radio-card:active { transform: translateY(0); }

/* 選択済み */
.radio-card.selected {
  border-color: var(--primary);
  background: #eef2ff;
  box-shadow: 0 0 0 3px rgba(79,124,255,.2);
}

.radio-card.selected::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  line-height: 22px;
  text-align: center;
}

/* ラジオカード内要素 */
.r-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.r-label {
  font-size: .88rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

/* 説明付きラジオカード（Q5 デザイン） */
.radio-card--desc {
  flex-direction: row;
  align-items: center;
  text-align: left;
  gap: 14px;
  padding: 18px 20px;
  min-height: 72px;
}

.radio-card--desc .r-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.r-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.radio-card--desc .r-label {
  font-size: .92rem;
  font-weight: 700;
}

.r-desc {
  font-size: .78rem;
  color: var(--text-sub);
  line-height: 1.4;
}

/* 全幅オプション（予算・納期の最後の選択肢） */
.radio-card.full {
  grid-column: 1 / -1;
  flex-direction: row;
  justify-content: flex-start;
  gap: 14px;
  padding: 18px 24px;
  min-height: auto;
}

.radio-card.full .r-icon { font-size: 1.5rem; }

.radio-card.full .r-label {
  font-size: .95rem;
}

/* ===========================
   チップグリッド（複数選択）
=========================== */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.chip {
  padding: 10px 20px;
  border: 2px solid var(--border);
  border-radius: 99px;
  background: var(--surface);
  color: var(--text);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition),
              background var(--transition),
              color var(--transition),
              box-shadow var(--transition),
              transform var(--transition);
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79,124,255,.05);
  transform: translateY(-1px);
}

.chip.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(79,124,255,.35);
}

.chip.selected:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
}

/* ===========================
   テキストエリア（Q8 補足）
=========================== */
.textarea-wrap {
  margin-bottom: 8px;
}

.textarea-input {
  width: 100%;
  padding: 16px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--surface);
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow);
}

.textarea-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,124,255,.15);
}

.textarea-input::placeholder { color: var(--text-sub); }

/* ===========================
   ナビゲーション行
=========================== */
.nav-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* ===========================
   ボタン
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 99px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: background var(--transition),
              box-shadow var(--transition),
              transform var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(79,124,255,.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(79,124,255,.5);
  transform: translateY(-2px);
}

.btn-primary:disabled {
  opacity: .7;
  cursor: default;
  transform: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79,124,255,.05);
}

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 2px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79,124,255,.05);
}

/* ===========================
   サマリー画面
=========================== */
.summary-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  gap: 16px;
  padding: 15px 24px;
  border-bottom: 1px solid var(--border);
}

.summary-row:last-child { border-bottom: none; }

.summary-label {
  flex: 0 0 150px;
  font-size: .8rem;
  font-weight: 700;
  color: var(--text-sub);
  padding-top: 2px;
}

.summary-value {
  flex: 1;
  font-size: .95rem;
  color: var(--text);
  line-height: 1.6;
}

.summary-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-sub);
}

.summary-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.summary-hint {
  font-size: .82rem;
  color: var(--text-sub);
  margin-bottom: 24px;
}

/* ===========================
   その他画面
=========================== */
.other-card {
  max-width: 480px;
  margin: 0 auto;
}

.other-icon { font-size: 3rem; margin-bottom: 16px; }
.other-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 14px; }
.other-desc  { color: var(--text-sub); margin-bottom: 28px; font-size: .95rem; }

/* ===========================
   フッター
=========================== */
.footer {
  text-align: center;
  padding: 24px 20px;
  font-size: .8rem;
  color: var(--text-sub);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

/* ===========================
   印刷（PDF）スタイル
=========================== */
@media print {
  .header,
  .footer,
  .nav-row,
  .summary-actions,
  .summary-hint { display: none !important; }

  /* サマリー以外のステップを非表示 */
  .step                    { display: none !important; }
  #step-summary            { display: block !important; }

  body { background: #fff; font-size: 11pt; }

  .summary-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .step-header { margin-bottom: 16px; }

  .step-number {
    background: #333;
    color: #fff;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}