/* 垢抜けコミュニティ進捗報告アプリ - メインスタイル */

:root {
  /* 高級感カラーパレット */
  --primary-blue: #1e3a8a;
  --secondary-blue: #3b82f6;
  --light-blue: #dbeafe;
  --accent-blue: #1d4ed8;
  --premium-blue: #0f172a;
  --white: #ffffff;
  --premium-white: #fefefe;
  --light-gray: #f1f5f9;
  --medium-gray: #cbd5e1;
  --dark-gray: #475569;
  --text-dark: #0f172a;
  --success-green: #059669;
  --error-red: #dc2626;
  --warning-orange: #d97706;
  --platinum: #e2e8f0;
  --silver: #94a3b8;
  
  /* プレミアムグラデーション */
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
  --gradient-light: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.9) 50%, rgba(226,232,240,0.85) 100%);
  --gradient-premium: linear-gradient(135deg, #0f172a 0%, #1e293b  50%, #334155 100%);
  --gradient-glass: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
  
  /* 高級感シャドウ */
  --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-strong: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-premium: 0 25px 50px -12px rgba(30, 58, 138, 0.25);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* プレミアムフォント */
  --font-primary: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playfair Display', 'Noto Sans JP', serif;
  --font-accent: 'Montserrat', 'Inter', 'Noto Sans JP', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  
  /* 間隔 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* ボーダー半径 */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  
  /* トランジション */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-primary);
  background: var(--gradient-light);
  background-attachment: fixed;
  color: var(--text-dark);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  font-feature-settings: "liga" 1, "kern" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(30, 58, 138, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

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

/* アニメーション定義 */
@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

@keyframes slideInLeft {
  from { 
    opacity: 0; 
    transform: translateX(-30px); 
  }
  to { 
    opacity: 1; 
    transform: translateX(0); 
  }
}

@keyframes pulse {
  0%, 100% { 
    transform: scale(1); 
  }
  50% { 
    transform: scale(1.05); 
  }
}

@keyframes glow {
  0%, 100% { 
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.3); 
  }
  50% { 
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.6); 
  }
}

@keyframes shimmer {
  0% { 
    background-position: -200% center; 
  }
  100% { 
    background-position: 200% center; 
  }
}

@keyframes luxuryFloat {
  0%, 100% { 
    transform: translateY(0px) rotate(0deg); 
  }
  33% { 
    transform: translateY(-10px) rotate(1deg); 
  }
  66% { 
    transform: translateY(-5px) rotate(-1deg); 
  }
}

@keyframes elegantScale {
  0% { 
    transform: scale(1) rotateY(0deg); 
  }
  50% { 
    transform: scale(1.05) rotateY(5deg); 
  }
  100% { 
    transform: scale(1) rotateY(0deg); 
  }
}

@keyframes premiumGlow {
  0%, 100% { 
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3), 0 0 40px rgba(30, 58, 138, 0.1); 
  }
  50% { 
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.6), 0 0 80px rgba(30, 58, 138, 0.2); 
  }
}

@keyframes typewriter {
  from { 
    width: 0; 
  }
  to { 
    width: 100%; 
  }
}

@keyframes blinkCaret {
  from, to { 
    border-color: transparent; 
  }
  50% { 
    border-color: var(--primary-blue); 
  }
}

@keyframes morphingBackground {
  0%, 100% { 
    border-radius: 20px; 
  }
  25% { 
    border-radius: 35px 20px 25px 30px; 
  }
  50% { 
    border-radius: 25px 35px 20px 25px; 
  }
  75% { 
    border-radius: 30px 25px 35px 20px; 
  }
}

@keyframes luxuryPulse {
  0% { 
    transform: scale(1);
    opacity: 1;
  }
  50% { 
    transform: scale(1.1);
    opacity: 0.8;
  }
  100% { 
    transform: scale(1);
    opacity: 1;
  }
}

/* プレミアムヘッダー */
.header {
  background: var(--gradient-premium);
  padding: var(--spacing-2xl) 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
  animation: fadeIn 1s ease;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.05) 50%, transparent 100%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 100px,
      rgba(255,255,255,0.02) 100px,
      rgba(255,255,255,0.02) 200px
    );
  animation: shimmer 6s linear infinite;
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), transparent);
}

.header-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.app-title {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  animation: slideInLeft 1s ease 0.2s both;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--white) 0%, var(--light-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.app-title::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: shimmer 3s ease-in-out infinite;
}

.app-title i {
  margin-right: var(--spacing-sm);
  animation: luxuryFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

.app-subtitle {
  font-family: var(--font-accent);
  font-size: var(--font-size-lg);
  font-weight: 300;
  opacity: 0.95;
  animation: slideInLeft 1s ease 0.4s both;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* メインコンテンツ */
.main-content {
  flex: 1;
  padding: var(--spacing-2xl) var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* プレミアムフォームコンテナ */
.form-container {
  animation: fadeIn 1s ease 0.6s both;
}

.form-card {
  background: var(--gradient-card);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-premium);
  border: 1px solid rgba(30, 58, 138, 0.1);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-glass);
  pointer-events: none;
  border-radius: var(--border-radius-xl);
}

.form-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  animation: shimmer 3s ease-in-out infinite;
}

.form-title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  position: relative;
  animation: luxuryPulse 3s ease-in-out infinite;
}

/* フォームセクション */
.form-section {
  margin-bottom: var(--spacing-2xl);
  animation: slideInLeft 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
  transition: all var(--transition-slow);
  position: relative;
}

.form-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: -20px;
  width: 4px;
  height: 0;
  background: var(--gradient-primary);
  transition: height 0.8s ease;
  border-radius: 2px;
}

.form-section:hover::before {
  height: 100%;
}

.form-section:nth-child(1) { 
  animation-delay: 0.1s; 
  z-index: 5;
}
.form-section:nth-child(2) { 
  animation-delay: 0.2s;
  z-index: 4;
}
.form-section:nth-child(3) { 
  animation-delay: 0.3s;
  z-index: 3;
}
.form-section:nth-child(4) { 
  animation-delay: 0.4s;
  z-index: 2;
}
.form-section:nth-child(5) { 
  animation-delay: 0.5s;
  z-index: 1;
}

.form-section:hover {
  transform: translateX(10px) scale(1.01);
  box-shadow: var(--shadow-medium);
}

.section-title {
  font-family: var(--font-accent);
  font-size: var(--font-size-xl);
  color: var(--accent-blue);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) 0;
  border-bottom: 2px solid transparent;
  background: linear-gradient(90deg, var(--light-blue), transparent) bottom / 100% 2px no-repeat;
  display: flex;
  align-items: center;
  font-weight: 600;
  letter-spacing: 0.02em;
  position: relative;
  transition: all var(--transition-slow);
}

.section-title::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.8s ease;
}

.section-title:hover::before {
  width: 100%;
}

.section-title i {
  margin-right: var(--spacing-sm);
  color: var(--secondary-blue);
  animation: elegantScale 2s ease-in-out infinite;
  transition: all var(--transition-normal);
}

.section-title:hover i {
  transform: scale(1.2) rotate(5deg);
  color: var(--accent-blue);
}

.section-title.success {
  color: var(--success-green);
  border-bottom-color: var(--success-green);
}

.section-title.failure {
  color: var(--error-red);
  border-bottom-color: var(--error-red);
}

/* フォームグループ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--accent-blue);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-lg);
  border: 2px solid var(--platinum);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-md);
  font-family: var(--font-primary);
  transition: all var(--transition-slow);
  background: var(--premium-white);
  box-shadow: var(--shadow-inner);
  position: relative;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow), var(--shadow-inner);
  transform: translateY(-3px) scale(1.01);
  background: var(--white);
  animation: morphingBackground 4s ease-in-out infinite;
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
  border-color: var(--secondary-blue);
  box-shadow: var(--shadow-soft), var(--shadow-inner);
  transform: translateY(-1px);
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--accent-blue);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-family: var(--font-accent);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  transition: all var(--transition-normal);
}

.form-group:hover label {
  color: var(--primary-blue);
  transform: translateX(5px);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* プレミアムレベル入力システム */
.level-input-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.level-input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--premium-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-sm);
  box-shadow: var(--shadow-inner);
  border: 2px solid var(--platinum);
}

.level-input {
  flex: 1;
  border: none !important;
  background: transparent !important;
  font-size: var(--font-size-xl) !important;
  font-weight: 700 !important;
  color: var(--primary-blue) !important;
  text-align: center;
  box-shadow: none !important;
  padding: var(--spacing-sm) !important;
}

.level-input:focus {
  outline: none;
  box-shadow: none !important;
}

.level-display {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--silver);
  min-width: 60px;
}

.measure-btn {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-family: var(--font-accent);
  cursor: pointer;
  transition: all var(--transition-slow);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  box-shadow: var(--shadow-medium);
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
}

.measure-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.measure-btn:hover::before {
  left: 100%;
}

.measure-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-strong), var(--shadow-glow);
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
}

.measure-btn i {
  transition: all var(--transition-normal);
}

.measure-btn:hover i {
  transform: rotate(10deg) scale(1.1);
}

.level-progress-bar {
  width: 100%;
  height: 12px;
  background: var(--platinum);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-inner);
}

.level-progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.5s ease;
  position: relative;
}

.level-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

.level-description {
  font-size: var(--font-size-sm);
  color: var(--dark-gray);
  text-align: center;
  padding: var(--spacing-sm);
  background: rgba(30, 58, 138, 0.05);
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(30, 58, 138, 0.1);
}

/* ラジオボタングループ */
.radio-group {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.radio-option {
  flex: 1;
  min-width: 180px;
  padding: var(--spacing-lg);
  border: 2px solid var(--medium-gray);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
  background: var(--white);
  font-weight: 500;
}

.radio-option:hover {
  border-color: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.radio-option input[type="radio"] {
  display: none;
}

.radio-option input[type="radio"]:checked + i {
  color: var(--white);
}

.radio-option.success:has(input:checked) {
  background: var(--success-green);
  border-color: var(--success-green);
  color: var(--white);
}

.radio-option.failure:has(input:checked) {
  background: var(--error-red);
  border-color: var(--error-red);
  color: var(--white);
}

.radio-option i {
  font-size: var(--font-size-lg);
  transition: color var(--transition-normal);
}

/* タスク進捗情報 */
.task-progress-info {
  margin-top: var(--spacing-sm);
}

.task-progress-info small {
  color: var(--dark-gray);
  font-size: var(--font-size-xs);
}

/* フォームアクション */
.form-actions {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--medium-gray);
}

.submit-btn {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
  padding: var(--spacing-xl) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  font-weight: 600;
  font-family: var(--font-accent);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-premium);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
  min-height: 65px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: var(--font-size-md);
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.submit-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  transition: all 0.6s ease;
  transform: translate(-50%, -50%);
}

.submit-btn:hover::before {
  left: 100%;
}

.submit-btn:hover::after {
  width: 300px;
  height: 300px;
}

.submit-btn:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-premium), var(--shadow-glow);
  animation: premiumGlow 2s ease-in-out infinite;
}

.submit-btn:active {
  transform: translateY(-3px) scale(0.98);
}

.submit-btn i {
  transition: all var(--transition-normal);
}

.submit-btn:hover i {
  transform: rotate(15deg) scale(1.1);
}

/* 画像結果エリア */
.image-result {
  margin-top: var(--spacing-2xl);
  animation: fadeIn 0.5s ease;
}

.image-container {
  background: var(--gradient-card);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-medium);
  text-align: center;
}

.image-container h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-xl);
}

.generated-image {
  margin: var(--spacing-lg) 0;
  display: flex;
  justify-content: center;
}

.generated-image canvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-medium);
}

.mobile-guide {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(30, 58, 138, 0.05));
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.mobile-guide-text {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--primary-blue);
  text-align: center;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  line-height: 1.5;
}

.mobile-guide-text i {
  color: var(--secondary-blue);
  font-size: var(--font-size-md);
}

.image-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.download-btn,
.share-btn,
.new-report-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.download-btn {
  background: var(--success-green);
  color: var(--white);
}

.share-btn {
  background: var(--primary-blue);
  color: var(--white);
}

.new-report-btn {
  background: var(--medium-gray);
  color: var(--text-dark);
}

.download-btn:hover,
.share-btn:hover,
.new-report-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ローディング画面 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.loading-content {
  text-align: center;
  color: var(--primary-blue);
}

.loading-spinner {
  width: 60px;
  height: 60px;
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.loading-spinner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid transparent;
  border-top: 4px solid var(--primary-blue);
  border-right: 4px solid var(--secondary-blue);
  border-radius: 50%;
  animation: premiumSpin 1.5s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

.loading-spinner::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  border: 3px solid transparent;
  border-left: 3px solid var(--accent-blue);
  border-bottom: 3px solid var(--light-blue);
  border-radius: 50%;
  animation: premiumSpin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite reverse;
}

@keyframes premiumSpin {
  0% { 
    transform: rotate(0deg) scale(1);
    opacity: 1;
  }
  50% {
    transform: rotate(180deg) scale(1.1);
    opacity: 0.8;
  }
  100% { 
    transform: rotate(360deg) scale(1);
    opacity: 1;
  }
}

.loading-content {
  text-align: center;
  color: var(--primary-blue);
  animation: luxuryFloat 3s ease-in-out infinite;
}

.loading-content p {
  font-family: var(--font-accent);
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.loading-content small {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  opacity: 0.8;
  font-weight: 300;
}

/* フッター */
.footer {
  background: var(--primary-blue);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-lg);
  margin-top: auto;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .form-card {
    padding: var(--spacing-lg);
  }
  
  .app-title {
    font-size: var(--font-size-2xl);
  }
  
  .radio-group {
    flex-direction: column;
  }
  
  .radio-option {
    min-width: auto;
  }
  
  .image-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .download-btn,
  .share-btn,
  .new-report-btn {
    width: 100%;
    max-width: 200px;
  }
}

@media (max-width: 480px) {
  .header {
    padding: var(--spacing-lg) 0;
  }
  
  .app-title {
    font-size: var(--font-size-xl);
  }
  
  .form-title {
    font-size: var(--font-size-xl);
  }
  
  .level-slider {
    flex-direction: column;
    align-items: stretch;
  }
  
  .level-display {
    text-align: center;
  }
  
  .mobile-guide-text {
    font-size: var(--font-size-xs);
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
  }
  
  .mobile-guide-text i {
    font-size: var(--font-size-lg);
  }
}

/* アクセシビリティ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ハイコントラストモード対応 */
@media (prefers-contrast: high) {
  :root {
    --primary-blue: #0052cc;
    --secondary-blue: #0066ff;
    --text-dark: #000000;
  }
  
  .form-group input,
  .form-group textarea,
  .form-group select {
    border-width: 3px;
  }
}

/* ダークモード対応の準備 */
@media (prefers-color-scheme: dark) {
  /* 将来のダークモード実装用 */
}