/* ==========================================================
   健康診断結果分析ツール - スタイルシート
   カラーテーマ: ミントグリーン系
   ========================================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #5EBD8A;
  --color-primary-light: #B8E6CC;
  --color-primary-lighter: #E0F5E9;
  --color-primary-bg: #F5FBF8;
  --color-primary-dark: #357F5A;

  --color-accent: #E8A87C;
  --color-accent-dark: #D4915E;

  --color-good: #5EBD8A;
  --color-suboptimal: #FFC107;
  --color-warning: #DC3545;

  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #767676;
  --color-border: #E0E0E0;
  --color-bg: #FAFCFB;
  --color-white: #FFFFFF;

  --font-main: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  --font-size-base: 16px;
  --line-height: 1.8;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
  --spacing-xxl: 64px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.4;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

/* --- Layout --- */
.site-header {
  background: linear-gradient(135deg, #28806E 0%, #358060 50%, #2E7555 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-md);
}

.header-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-title {
  text-align: center;
  flex: 1;
}

.header-spacer {
  flex-shrink: 0;
  visibility: hidden;
}

.header-nav,
.header-spacer {
  flex-basis: 80px;
}

.header-nav {
  flex-shrink: 0;
  text-align: right;
}

.header-nav a {
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.6);
  padding: 0.5em 1em;
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background 0.2s;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.header-nav a:hover {
  background: rgba(255,255,255,0.15);
  text-decoration: none;
}

.site-header h1 {
  font-size: 1.6rem;
  margin-bottom: var(--spacing-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
}

.site-header h1 a {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  color: inherit;
  text-decoration: none;
}

.header-logo {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 2px 6px rgba(255, 255, 255, 0.5));
}

.site-header .subtitle {
  font-size: 0.95rem;
  font-weight: 400;
}

/* --- Hamburger / Mobile Menu --- */
.hamburger-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger-btn span + span {
  margin-top: 5px;
}
.hamburger-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}
.mobile-menu a {
  display: block;
  color: var(--color-white);
  text-decoration: none;
  padding: 0.8em var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.95rem;
  transition: background 0.2s;
}
.mobile-menu a:hover {
  background: rgba(255,255,255,0.1);
}

.promo-disclosure {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: var(--spacing-xs) var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

#app {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* --- Progress Bar --- */
.progress-bar {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}

.progress-step {
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color 0.3s;
}

.progress-step .step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  transition: all 0.3s;
  flex-shrink: 0;
}

.progress-step .step-label {
  display: block;
  margin-left: 4px;
  text-align: center;
  white-space: nowrap;
  font-size: 0.65rem;
}

.progress-step.completed .step-circle {
  background: var(--color-primary);
  color: var(--color-white);
}

.progress-step.active .step-circle {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.progress-step.active {
  color: var(--color-primary);
}

.progress-line {
  width: 20px;
  height: 3px;
  background: var(--color-border);
  flex-shrink: 0;
  transition: background 0.3s;
}

.progress-line.completed {
  background: var(--color-primary);
}

/* --- Step Container --- */
.step-container {
  display: none;
  animation: fadeIn 0.4s ease;
}

.step-container.active {
  display: block;
}

/* --- Step Motivation --- */
.step-motivation {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary-lighter);
  border-radius: var(--radius-sm);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

h2.card-header,
h3.card-header,
.card-header {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-light);
}

/* --- Welcome Page --- */
.welcome-hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.welcome-hero h2 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
}

.welcome-hero p {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-bottom: var(--spacing-lg);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.feature-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s;
}

.feature-item:hover {
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.feature-item h3 {
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-xs);
}

.feature-item p {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* --- Disclaimer --- */
.disclaimer {
  background: #F9FAFB;
  border-left: 4px solid var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.disclaimer-urgent {
  background: #FFF5EE;
  border-left-color: #E8A87C;
}

.alert-disclaimer {
  background: #FFF8F0;
  border: 1px solid #E8A87C;
  border-left: 4px solid #E8A87C;
  border-radius: var(--radius-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
  color: #6B4226;
  line-height: 1.7;
}
.alert-disclaimer p {
  margin: 0;
}

/* --- Forms --- */
.form-section {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-md);
}

h3.form-section-header,
.form-section-header {
  background: var(--color-primary-bg);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.form-section-header::after {
  content: '▼';
  font-size: 0.7rem;
  transition: transform 0.3s;
}

.form-section-header.collapsed::after {
  transform: rotate(-90deg);
}

.form-section-body {
  padding: var(--spacing-md) var(--spacing-lg);
}

.form-section-body.collapsed {
  display: none;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-group .unit {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.form-group .help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.7rem;
  font-weight: 700;
  cursor: help;
  margin-left: var(--spacing-xs);
  vertical-align: middle;
}

.form-group .help-icon:hover::after {
  content: attr(data-tooltip);
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 400;
  white-space: normal;
  width: min(320px, 85vw);
  z-index: 9999;
  line-height: 1.6;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  pointer-events: none;
}

.form-group .help-icon:hover::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.15);
  z-index: 9998;
  pointer-events: none;
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

input[type="number"],
input[type="text"],
select {
  width: 100%;
  height: 48px;
  padding: 0 var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color 0.3s;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-lighter);
}

input.input-error {
  border-color: var(--color-warning);
}

input.input-good {
  border-color: var(--color-good);
}

input.input-suboptimal {
  border-color: var(--color-suboptimal);
}

.field-description {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.field-error {
  color: var(--color-warning);
  font-size: 0.8rem;
  margin-top: var(--spacing-xs);
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background-color 0.3s;
}

.status-indicator.status-good { background-color: var(--color-good); }
.status-indicator.status-suboptimal { background-color: var(--color-suboptimal); }
.status-indicator.status-warning { background-color: var(--color-warning); }

/* --- Radio & Checkbox --- */
.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.radio-option, .checkbox-option {
  flex: 1;
  min-width: 100px;
}

.radio-option input, .checkbox-option input {
  display: none;
}

.radio-option label, .checkbox-option label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  min-height: 44px;
}

.radio-option input:checked + label,
.checkbox-option input:checked + label {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
}

.radio-option label:hover,
.checkbox-option label:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-bg);
}

/* --- Symptom Grid --- */
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.symptom-item {
  position: relative;
}

.symptom-item input {
  display: none;
}

.symptom-item label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
  min-height: 48px;
}

.symptom-item input:checked + label {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.symptom-item label:hover {
  border-color: var(--color-primary-light);
}

.symptom-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* --- Symptom Progressive Disclosure --- */
.symptom-grid .symptom-item.symptom-hidden {
  display: none;
}

.symptom-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--spacing-md);
  margin-top: var(--spacing-sm);
  background: var(--color-primary-bg);
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--radius-sm);
  color: var(--color-primary-dark);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-main);
}

.symptom-toggle-btn:hover {
  background: var(--color-primary-lighter);
  border-color: var(--color-primary);
}

/* --- CTA Button (Primary Action) --- */
.btn-cta {
  font-size: 1.1rem;
  padding: var(--spacing-md) var(--spacing-xl);
  letter-spacing: 0.02em;
}

/* --- Severity Select (in symptom) --- */
.severity-select {
  margin-top: var(--spacing-sm);
  padding: 0 var(--spacing-md) var(--spacing-md);
  display: none;
}

.symptom-item input:checked ~ .severity-select {
  display: block;
}

.severity-options {
  display: flex;
  gap: var(--spacing-xs);
}

.severity-options label {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  text-align: center;
  cursor: pointer;
  min-height: auto;
}

.severity-options input:checked + label {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  min-height: 48px;
  text-decoration: none;
  gap: var(--spacing-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: var(--color-primary-bg);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-group {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.btn-group .btn {
  flex: 1;
}

/* --- Results Page --- */
.results-summary {
  background: linear-gradient(135deg, #28806E 0%, #2E7555 100%);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.results-summary h2 {
  margin-bottom: var(--spacing-sm);
}

.results-score {
  font-size: 3rem;
  font-weight: 700;
  margin: var(--spacing-md) 0;
}

.results-summary-text {
  font-size: 0.95rem;
  opacity: 0.9;
}

/* --- Result Card --- */
.result-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  border-left: 4px solid var(--color-border);
}

.result-card.status-good { border-left-color: var(--color-good); }
.result-card.status-suboptimal { border-left-color: var(--color-suboptimal); }
.result-card.status-warning { border-left-color: var(--color-warning); }

.result-card-header {
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.result-card-title {
  font-weight: 700;
  font-size: 1rem;
}

.result-card-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-good {
  background: #D4EDDA;
  color: #155724;
}

.badge-suboptimal {
  background: #FFF3CD;
  color: #856404;
}

.badge-warning {
  background: #F8D7DA;
  color: #721C24;
}

.result-card-body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid #F0F0F0;
}

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

.result-item-name {
  font-size: 0.9rem;
  color: var(--color-text);
}

.result-item-value {
  font-weight: 600;
  font-size: 0.9rem;
}

.result-item-bar {
  width: 120px;
  height: 8px;
  background: #EEE;
  border-radius: 4px;
  margin: 0 var(--spacing-md);
  position: relative;
  flex-shrink: 0;
}

.result-item-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.result-item-bar-marker {
  position: absolute;
  top: -3px;
  width: 3px;
  height: 14px;
  background: var(--color-text);
  border-radius: 1px;
  transition: left 0.5s ease;
}

.result-item-message {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* --- Pattern Cards --- */
.pattern-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.pattern-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.pattern-score {
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
}

.pattern-evidence {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary-bg);
  border-radius: var(--radius-sm);
}

/* --- Recommendation Cards --- */
.rec-section {
  margin-top: var(--spacing-xl);
}

.rec-section h2 {
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-light);
}

.rec-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.rec-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.rec-card h3 {
  color: var(--color-primary-dark);
}

.rec-priority {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.priority-high {
  background: #FFF0E5;
  color: #B8651A;
}

.priority-medium {
  background: #FFF3CD;
  color: #856404;
}

.priority-low {
  background: #D4EDDA;
  color: #155724;
}

.rec-reason {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary-bg);
  border-radius: var(--radius-sm);
}

.rec-foods {
  margin-bottom: var(--spacing-md);
}

.rec-foods h4 {
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

.food-list {
  list-style: none;
  padding: 0;
}

.food-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-xs) 0;
  font-size: 0.85rem;
  border-bottom: 1px dashed #EEE;
}

.food-list li:last-child {
  border-bottom: none;
}

.food-tip {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* --- Supplement Links --- */
.supplement-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.supplement-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.3s;
  text-decoration: none;
  min-height: 48px;
  box-shadow: var(--shadow-sm);
}

.supplement-link:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.link-iherb {
  background: #4CAF50;
  color: white;
}

.link-iherb:hover {
  background: #43A047;
}

.link-amazon {
  background: #FF9900;
  color: white;
}

.link-amazon:hover {
  background: #E68A00;
}

.rec-dosage {
  font-size: 0.85rem;
  margin-top: var(--spacing-sm);
}

.rec-caution {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: #F0FAF4;
  border-left: 3px solid var(--color-primary-light);
  border-radius: var(--radius-sm);
}

.rec-source {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

/* --- Medical Warning --- */
.medical-warning {
  background: #FFF5EE;
  border: 2px solid #E8A87C;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.medical-warning h3 {
  color: #D4915E;
  margin-bottom: var(--spacing-sm);
  font-size: 1.05rem;
}

.medical-warning ul {
  padding-left: var(--spacing-lg);
  margin-top: var(--spacing-sm);
}

.medical-warning li {
  margin-bottom: var(--spacing-xs);
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.medical-warning .urgent-item {
  color: #C0392B;
  font-weight: 600;
}

/* --- Footer --- */
.site-footer {
  max-width: 800px;
  margin: var(--spacing-xxl) auto 0;
  padding: var(--spacing-xl) var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.seo-footer-content {
  margin-bottom: var(--spacing-xl);
}

.seo-footer-content h2 {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-md);
}

.seo-footer-content details {
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.seo-footer-content summary {
  padding: var(--spacing-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  background: var(--color-primary-bg);
  border-radius: var(--radius-sm);
}

.seo-footer-content details[open] summary {
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.seo-footer-content details .detail-content {
  padding: var(--spacing-md);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

.affiliate-disclosure {
  background: #F8F9FA;
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-links a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 0.9rem;
  padding: var(--spacing-sm) var(--spacing-xs);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--color-primary-dark);
}

.copyright {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-lg);
}

.references {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--spacing-sm);
}

/* --- Loading --- */
.loading {
  text-align: center;
  padding: var(--spacing-xxl);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-md);
}

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

/* --- Skip notice & card --- */
.skip-notice {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: var(--spacing-md) 0;
}

.skip-card {
  text-align: center;
  border: 2px dashed var(--color-primary-light);
  background: var(--color-primary-bg);
}

h2.skip-hero,
.skip-hero {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

/* --- BMI Display --- */
.bmi-display {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

/* --- Responsive --- */
@media (max-width: 767px) {
  .header-spacer,
  .header-nav {
    display: none;
  }
  .hamburger-btn {
    display: flex;
  }
  .mobile-menu:not([hidden]) {
    display: block;
    background: rgba(0,0,0,0.12);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  }
  .site-header .subtitle {
    font-size: 0.8rem;
  }
}

@media (min-width: 768px) {
  .site-header h1 {
    font-size: 2rem;
  }

  .header-logo {
    width: 48px;
    height: 48px;
  }

  .header-nav a {
    font-size: 0.9rem;
    padding: 0.4em 1em;
  }

  .progress-step .step-label {
    font-size: 0.75rem;
    margin-left: var(--spacing-sm);
  }

  .progress-line {
    width: 40px;
  }

  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .result-item {
    display: grid;
    grid-template-columns: 140px 1fr 120px 80px;
    align-items: center;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .symptom-grid {
    grid-template-columns: 1fr;
  }

  .btn-group {
    flex-direction: column;
  }

  .supplement-links {
    flex-direction: column;
  }

  .supplement-link {
    justify-content: center;
  }
}

/* --- Print Styles --- */
@media print {
  .site-header,
  .progress-bar,
  .btn-group,
  .supplement-links,
  .site-footer,
  .seo-content,
  .seo-footer-content {
    display: none !important;
  }

  body {
    background: white;
    font-size: 12pt;
  }

  .step-container {
    display: block !important;
    page-break-inside: avoid;
  }

  .step-container:not(#step-6) {
    display: none !important;
  }

  .result-card,
  .rec-card,
  .pattern-card {
    box-shadow: none;
    border: 1px solid #CCC;
    page-break-inside: avoid;
  }

  .results-summary {
    background: #EEE !important;
    color: black !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .share-section {
    display: none !important;
  }
}

/* --- SNS Share Buttons --- */
.share-section {
  text-align: center;
  margin: var(--spacing-xl) 0 var(--spacing-lg);
}

.share-section h3 {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: #FFFFFF;
  transition: opacity 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
  min-height: 44px;
}

.share-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.share-btn-x {
  background: #000000;
}

.share-btn-threads {
  background: #000000;
}

.share-btn-line {
  background: #06C755;
}