@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
  --color-primary: #0062CC;
  --color-primary-light: #E8F0FE;
  --color-accent: #E65100;
  --color-accent-light: #FFF3E0;
  --color-success: #2E7D32;
  --color-success-light: #E8F5E9;
  --color-warning: #F57C00;
  --color-warning-light: #FFF8E1;
  --color-text: #212121;
  --color-text-sub: #555555;
  --color-border: #E0E0E0;
  --color-bg: #F5F7FA;
  --color-card: #FFFFFF;
  --font-size-base: 18px;
  --font-size-sm: 14px;
  --font-size-md: 18px;
  --font-size-lg: 22px;
  --font-size-xl: 28px;
  --radius: 12px;
  --radius-sm: 8px;
  --spacing: 16px;
  --spacing-sm: 8px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

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

html {
  font-size: var(--font-size-base);
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.app-wrapper {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: var(--color-primary);
  color: #fff;
  padding: var(--spacing) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header h1 {
  font-size: var(--font-size-md);
  font-weight: 700;
  flex: 1;
}

.btn-back {
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px 4px 0;
  line-height: 1;
}

/* Main content */
.app-main {
  flex: 1;
  padding: var(--spacing);
  display: flex;
  flex-direction: column;
  gap: var(--spacing);
}

/* Cards */
.card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.card-label {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

/* Next-action card */
.card-next-action {
  border-left: 5px solid var(--color-accent);
  background: var(--color-accent-light);
}

.card-next-action .card-label {
  color: var(--color-accent);
}

.card-next-action .card-title {
  color: var(--color-accent);
  font-size: var(--font-size-lg);
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: 20px;
  padding: 4px 12px;
}

.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

/* Appointment info */
.appt-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.appt-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--font-size-md);
}

.appt-row .label {
  color: var(--color-text-sub);
  font-size: var(--font-size-sm);
  min-width: 60px;
}

.appt-row .value {
  font-weight: 700;
  text-align: right;
}

.appt-datetime {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--spacing-sm);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing) 0;
}

/* Buttons */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 56px;
  border-radius: var(--radius);
  border: none;
  font-family: inherit;
  font-size: var(--font-size-md);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  padding: var(--spacing-sm) var(--spacing);
}

.btn:active {
  opacity: 0.85;
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}

.btn-outline {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-ghost {
  background: none;
  color: var(--color-text-sub);
  border: 2px solid var(--color-border);
}

.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.btn-sm {
  min-height: 44px;
  font-size: var(--font-size-sm);
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Section title */
.section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  padding: 0 var(--spacing-sm);
}

/* Progress bar */
.progress-wrap {
  background: var(--color-card);
  padding: var(--spacing) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-text-sub);
  margin-bottom: 8px;
  font-weight: 700;
}

.progress-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Choice buttons (for step1, step4) */
.choice-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.choice-btn {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 60px;
  padding: var(--spacing-sm) var(--spacing);
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  gap: var(--spacing-sm);
  transition: border-color 0.15s, background 0.15s;
}

.choice-btn:hover,
.choice-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.choice-btn .choice-icon {
  font-size: 24px;
  width: 32px;
  text-align: center;
}

/* Time slot grid */
.timeslot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.timeslot-btn {
  min-height: 52px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-card);
  font-family: inherit;
  font-size: var(--font-size-md);
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.timeslot-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.timeslot-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Confirm info block */
.confirm-block {
  background: var(--color-primary-light);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.confirm-row {
  display: flex;
  align-items: baseline;
  gap: var(--spacing);
}

.confirm-row .label {
  font-size: var(--font-size-sm);
  color: var(--color-text-sub);
  min-width: 64px;
  font-weight: 700;
}

.confirm-row .value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.confirm-row .value.highlight {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

/* Family support banner */
.banner-family {
  background: var(--color-warning-light);
  border: 1px solid #FFB74D;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing);
  font-size: var(--font-size-sm);
  color: var(--color-warning);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Checklist */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.check-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
}

.check-item:last-child {
  border-bottom: none;
}

.check-item input[type="checkbox"] {
  width: 28px;
  height: 28px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.check-item label {
  font-size: var(--font-size-md);
  font-weight: 500;
  cursor: pointer;
}

.check-item input:checked + label {
  text-decoration: line-through;
  color: var(--color-text-sub);
}

/* Early appointment banner */
.banner-earliest {
  background: var(--color-success-light);
  border: 1px solid #81C784;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-section-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-sub);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

/* Footer safe area */
.app-footer {
  height: env(safe-area-inset-bottom, 16px);
}

/* Symptom modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
  align-items: flex-end;
}

.modal-overlay.open {
  display: flex;
}

.modal-sheet {
  background: var(--color-card);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: var(--spacing-lg);
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.modal-sheet h2 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing);
}

/* Textarea */
textarea.input-field {
  width: 100%;
  min-height: 100px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  font-family: inherit;
  font-size: var(--font-size-md);
  resize: vertical;
}

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

.optional-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-sub);
  margin-bottom: var(--spacing-sm);
  display: block;
}

/* Step question */
.question-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

/* Hidden utility */
.hidden { display: none !important; }

/* Step indicator (予約フロー用) */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing);
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  gap: 0;
}

.step-dot-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-sub);
  transition: background 0.2s, border-color 0.2s;
}

.step-dot.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.step-dot.done {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.step-dot-label {
  font-size: 10px;
  color: var(--color-text-sub);
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 52px;
}

.step-dot-wrap.active .step-dot-label {
  color: var(--color-primary);
  font-weight: 700;
}

.step-connector {
  height: 2px;
  flex: 0 0 20px;
  background: var(--color-border);
  margin-bottom: 18px;
}

.step-connector.done {
  background: var(--color-success);
}

/* Bottom nav (ホームへ / ヘルプ) */
.bottom-nav {
  position: sticky;
  bottom: 0;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  gap: var(--spacing);
  z-index: 10;
}

.bottom-nav a {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--color-text-sub);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.bottom-nav a:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.bottom-nav .nav-icon {
  font-size: 18px;
}

/* Flow overview (index.html) */
.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.flow-step-row {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.flow-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.flow-step-body {
  flex: 1;
  padding-bottom: var(--spacing);
  border-left: 2px solid var(--color-border);
  padding-left: var(--spacing-sm);
  margin-left: -15px; /* align line under dot */
  padding-left: 21px;
}

.flow-step-body:last-child {
  border-left-color: transparent;
}

.flow-step-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1.4;
}

.flow-step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-sub);
  margin-top: 2px;
}

/* Validation error */
.validation-msg {
  display: none;
  background: #FFEBEE;
  border: 1px solid #EF9A9A;
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing);
  color: #C62828;
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.validation-msg.show {
  display: block;
}

/* Print button */
@media print {
  .mock-notice,
  .app-header,
  .bottom-nav,
  .btn-group,
  .btn { display: none !important; }
  .confirm-block { box-shadow: none; border: 1px solid #ccc; }
}

/* Mock notice banner */
.mock-notice {
  background: #1A1A2E;
  color: #A0AEC0;
  font-size: 11px;
  font-weight: 500;
  text-align: center;
  padding: 6px var(--spacing);
  letter-spacing: 0.04em;
  line-height: 1.6;
  position: sticky;
  top: 0;
  z-index: 20;
}

.mock-notice strong {
  color: #E2E8F0;
}