/* ============================================
   Budget Diagnosis Tool - Base Styles
   Scale Cloud Brand Design System
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Colors - Scale Cloud Brand */
  --color-primary: #00B894;
  --color-primary-light: #00CFA1;
  --color-primary-dark: #009B7D;
  --color-secondary: #2C3E50;
  --color-secondary-light: #34495E;
  --color-white: #FFFFFF;
  --color-light-gray: #F8F9FA;
  --color-medium-gray: #E9ECEF;
  --color-dark-gray: #2C3E50;
  --color-text: #2C3E50;
  --color-text-light: #6C757D;
  --color-border: #DEE2E6;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-shadow-hover: rgba(0, 0, 0, 0.12);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00B894 0%, #00CFA1 100%);
  --gradient-bg: linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 2px 8px var(--color-shadow);
  --shadow-md: 0 4px 16px var(--color-shadow);
  --shadow-lg: 0 8px 24px var(--color-shadow);
  --shadow-hover: 0 8px 24px var(--color-shadow-hover);

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--gradient-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Layout --- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* --- Header --- */
.header {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) 0;
  position: relative;
}

.logo {
  height: 36px;
  width: auto;
  transition: var(--transition);
  filter: hue-rotate(12deg) saturate(0.6) brightness(0.88);
}

.logo:hover {
  transform: scale(1.05);
}

.header-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* --- Main --- */
.main {
  padding: var(--spacing-xxl) 0;
  min-height: calc(100vh - 200px);
}

/* --- Intro Section (LP) --- */
.intro-section {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  animation: fadeInUp 0.8s ease-out;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
}

.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-text {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-primary);
}

.card-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-secondary);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--gradient-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  font-family: 'Noto Sans JP', sans-serif;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

/* --- Progress Bar --- */
.progress-container {
  margin-bottom: var(--spacing-lg);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-medium-gray);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.progress-text {
  text-align: center;
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* --- Form (Diagnosis Questions) --- */
.question-section {
  animation: fadeInUp 0.5s ease-out;
}

.section-label {
  display: block;
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-align: center;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

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

.question-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
}

.question-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

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

.radio-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}

.radio-option:hover {
  background: var(--color-medium-gray);
}

.radio-option.selected {
  background: rgba(0, 184, 148, 0.1);
  border-color: var(--color-primary);
}

.radio-option input[type='radio'] {
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
}

.radio-label {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* --- Lead Form --- */
.lead-form {
  animation: fadeInUp 0.8s ease-out;
}

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

.form-label {
  display: block;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
}

.form-label .required {
  color: #e74c3c;
  margin-left: 0.25em;
}

.form-input {
  width: 100%;
  border: 2px solid var(--color-border);
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 1rem;
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  background: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 184, 148, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-light);
}

/* --- Result Section --- */
.result-section {
  animation: fadeInUp 0.8s ease-out;
}

.score-display {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.score-value {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.2;
  font-family: Inter, sans-serif;
}

.score-max {
  font-size: 1.5rem;
  font-weight: 500;
  opacity: 0.8;
}

.level-badge {
  display: inline-block;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

/* タイプ判定スタイル */
.type-card {
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
}

.type-card--secondary {
  border-left-color: var(--color-text-light);
}

.type-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.type-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-secondary);
  margin-bottom: 4px;
}

.type-rate {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
}

.type-comment {
  margin-top: var(--spacing-sm);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

/* 改善テーマスタイル */
.theme-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-light-gray);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  align-items: flex-start;
}

.theme-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.theme-content {
  flex: 1;
}

.theme-content strong {
  display: block;
  font-size: 1.05rem;
  color: var(--color-secondary);
  margin-bottom: 2px;
}

.theme-rate {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
}

.theme-comment {
  margin-top: var(--spacing-xs);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* レベルコメント */
.level-comment-text {
  line-height: 1.9;
  color: var(--color-text);
  font-size: 0.95rem;
}

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

.result-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.result-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-medium-gray);
}

.result-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* --- Radar Chart --- */
.chart-container {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  margin-top: var(--spacing-xxl);
}

.cta-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-white);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  font-family: 'Noto Sans JP', sans-serif;
  text-decoration: none;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- Footer --- */
.footer {
  background: var(--color-secondary);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xxl);
}

.footer-text {
  text-align: center;
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 500;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Screen Visibility --- */
.screen {
  display: none;
}

.screen.active {
  display: block;
}

/* --- Responsive (Mobile First) --- */
@media (min-width: 768px) {
  .radio-group {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .radio-option {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .intro-text {
    font-size: 1rem;
  }

  .card,
  .result-card {
    padding: var(--spacing-md);
  }

  .header-title {
    font-size: 1.125rem;
  }

  .logo {
    height: 28px;
  }

  .score-value {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .header-title {
    position: static;
    transform: none;
    text-align: center;
    width: 100%;
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .radio-group {
    gap: var(--spacing-xs);
  }
}