*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;background-color:#f5f5f5;color:#333;-webkit-text-size-adjust:100%}#app{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}#loading{text-align:center}#loading p{margin-top:20px;font-size:15px;color:#666;letter-spacing:.02em}.spinner{width:40px;height:40px;margin:0 auto;border:4px solid #e0e0e0;border-top-color:#06c755;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#error{text-align:center;max-width:320px}#error-message{font-size:15px;color:#d32f2f;line-height:1.6;margin-bottom:24px}#retry-button{display:inline-block;padding:12px 32px;font-size:15px;font-weight:600;color:#fff;background-color:#06c755;border:none;border-radius:8px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background-color .2s}#retry-button:active{background-color:#05a847}