:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1a2433;
  --color-text-muted: #6b7686;
  --color-primary: #1f6feb;
  --color-primary-soft: #e8f0fe;
  --color-border: #d9dfe7;
  --radius: 10px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ヘッダー（進捗バー常時表示） */
.header {
  position: sticky;
  top: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
}

.header-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 14px 20px 10px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.brand {
  font-size: 14px;
  font-weight: 700;
}

.progress-text {
  font-size: 13px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.progress-track {
  height: 4px;
  background: var(--color-border);
}

.progress-fill {
  height: 100%;
  width: 0;
  background: var(--color-primary);
  transition: width 0.25s ease;
}

/* トップ画面 */
.top-screen {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 48px 20px 56px;
}

.top-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

.top-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
}

.top-lead {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.top-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.top-meta-item {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.top-meta-label {
  font-size: 12px;
  color: var(--color-text-muted);
}

.top-meta-value {
  font-size: 16px;
  font-weight: 700;
}

.top-section {
  margin-bottom: 28px;
}

.top-section-heading {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 4px solid var(--color-primary);
}

.top-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.top-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 14px;
}

.top-list li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 10px;
}

.top-categories {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.top-categories li {
  font-size: 13px;
  font-weight: 600;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 16px;
}

.start-button {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity 0.15s ease;
}

.start-button:hover {
  opacity: 0.88;
}

.top-note {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 12px;
}

@media (max-width: 480px) {
  .top-title {
    font-size: 22px;
  }
}

/* 設問画面 */
.question-screen {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 20px 48px;
}

.section-title {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.question-number {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.question-text {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 28px;
}

/* 選択肢 */
.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-button {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-family: inherit;
  padding: 14px 18px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.option-button:hover {
  border-color: var(--color-primary);
}

.option-button[aria-checked="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  font-weight: 700;
}

/* 「わからない」は通常の4段階と区別して控えめに */
.option-button.option-unknown {
  background: transparent;
  border-style: dashed;
  color: var(--color-text-muted);
  font-size: 14px;
  padding: 11px 18px;
  margin-top: 6px;
}

.option-button.option-unknown[aria-checked="true"] {
  border-color: var(--color-primary);
  color: var(--color-text);
  background: var(--color-primary-soft);
}

/* ナビゲーション */
.nav {
  margin-top: 32px;
}

.back-button {
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 4px;
}

.back-button:hover {
  color: var(--color-text);
  text-decoration: underline;
}

.back-button:disabled {
  visibility: hidden;
}

@media (max-width: 480px) {
  .question-text {
    font-size: 18px;
  }
}

/* フォーム画面（アンケート・メール入力）共通 */
.form-screen {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 20px 48px;
}

.form-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-lead {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.form-field {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.required-mark,
.optional-mark {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  padding: 1px 8px;
  margin-left: 6px;
  vertical-align: 1px;
}

.required-mark {
  color: #c0392b;
  background: #fdeceb;
}

.optional-mark {
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.form-input {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 24px 0 8px;
  cursor: pointer;
}

.consent input {
  margin-top: 3px;
  flex-shrink: 0;
}

.consent a {
  color: var(--color-primary);
}

.form-error {
  font-size: 13px;
  font-weight: 700;
  color: #c0392b;
  margin: 12px 0 0;
}

.primary-button {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: 17px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  margin-top: 20px;
  transition: opacity 0.15s ease;
}

.primary-button:hover {
  opacity: 0.88;
}

/* 結果画面 */
.result-screen {
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 20px 56px;
}

.result-hero {
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 20px;
  margin-bottom: 28px;
}

.result-hero-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.result-type-name {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
}

.result-section {
  margin-bottom: 36px;
}

.result-section-heading {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  padding-left: 10px;
  border-left: 4px solid var(--color-primary);
}

.radar-wrap,
.matrix-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px;
}

.radar-wrap svg,
.matrix-wrap svg {
  display: block;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.matrix-caption {
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  margin-top: 10px;
}

.score-list {
  list-style: none;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.score-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 14px;
}

.score-name {
  flex: 1;
  font-weight: 600;
}

.score-band {
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 2px 10px;
}

.score-value {
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 2.2em;
  text-align: right;
}

.result-text p {
  font-size: 14px;
  margin-bottom: 10px;
}

.report-placeholder {
  color: var(--color-text-muted);
  font-size: 13px;
}

.category-detail-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
}

.category-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.category-detail-name {
  font-size: 15px;
  font-weight: 700;
}

.category-detail-meta {
  font-size: 13px;
  color: var(--color-text-muted);
}

.reduction-cards {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}

.reduction-card {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.reduction-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.reduction-value {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.reduction-unit {
  font-size: 14px;
  color: var(--color-text);
  margin-left: 4px;
}

.reduction-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 13px;
}

.reduction-table th,
.reduction-table td {
  text-align: left;
  padding: 8px 14px;
  border-bottom: 1px solid var(--color-border);
}

.reduction-table th {
  background: var(--color-bg);
  font-size: 12px;
  color: var(--color-text-muted);
}

.reduction-table td:last-child,
.reduction-table th:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.disclaimer {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 10px;
}

/* CTA */
.result-cta {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}

.result-cta-heading {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.result-cta-lead {
  font-size: 13px;
  color: var(--color-text-muted);
}

.cta-button {
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.scheduler-embed {
  margin-top: 16px;
}

.scheduler-placeholder {
  font-size: 12px;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}