:root{--color-background: #FAFAFA;--color-surface: #FFFFFF;--color-text: #333333;--color-text-secondary: #666666;--color-text-muted: #999999;--color-border: #EEEEEE;--color-primary: #FF6B6B;--color-primary-light: #FF8A8A;--color-primary-text: #FFFFFF;--color-success: #4ECDC4;--color-danger: #FF4444;--color-accent: #FFE66D;--color-input-bg: #F5F5F5;--color-tab-bg: #FFFFFF;--color-tab-border: #EEEEEE;--color-warning: #FF9800;--color-overlay: rgba(0, 0, 0, .4);--color-card-shadow: rgba(0, 0, 0, .08);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease}[data-theme=dark]{--color-background: #121212;--color-surface: #1E1E1E;--color-text: #E0E0E0;--color-text-secondary: #AAAAAA;--color-text-muted: #777777;--color-border: #333333;--color-input-bg: #2A2A2A;--color-tab-bg: #1E1E1E;--color-tab-border: #333333;--color-warning: #FF9800;--color-overlay: rgba(0, 0, 0, .6);--color-card-shadow: rgba(0, 0, 0, .3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;background-color:var(--color-background);color:var(--color-text);line-height:1.5;min-height:100vh;min-height:100dvh;transition:background-color var(--transition-normal),color var(--transition-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none}#root{min-height:100vh;min-height:100dvh;display:flex;justify-content:center}.app-container{width:100%;max-width:480px;min-height:100vh;min-height:100dvh;position:relative;background-color:var(--color-background)}@media(min-width:481px){.app-container{box-shadow:-1px 0 0 var(--color-border),1px 0 0 var(--color-border)}}a{color:var(--color-primary);text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit;color:inherit}input,textarea,select{font-family:inherit;font-size:16px;color:var(--color-text);background-color:var(--color-input-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:10px 12px;outline:none;transition:border-color var(--transition-fast);width:100%}input:focus,textarea:focus,select:focus{border-color:var(--color-primary)}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;transition:opacity var(--transition-fast),transform var(--transition-fast);user-select:none;-webkit-user-select:none}.btn:active{transform:scale(.97)}.btn-primary{background-color:var(--color-primary);color:var(--color-primary-text)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background-color:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-danger{background-color:var(--color-danger);color:var(--color-primary-text)}.btn-full{width:100%}.card{background-color:var(--color-surface);border-radius:var(--radius-md);padding:16px;box-shadow:0 1px 3px var(--color-card-shadow);transition:background-color var(--transition-normal)}.section-title{font-size:.85rem;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.badge-primary{background-color:var(--color-primary);color:var(--color-primary-text)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);background-color:var(--color-surface);color:var(--color-text);padding:12px 24px;border-radius:var(--radius-md);box-shadow:0 4px 12px #00000026;z-index:1000;animation:toast-in .3s ease;font-weight:500;max-width:90%;text-align:center}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.spinner{width:24px;height:24px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:2px}