:root{--color-primary: #7c3aed;--color-primary-dark: #5b21b6;--color-bg: #fafaf9;--color-surface: #ffffff;--color-text: #1c1917;--color-muted: #78716c;--color-border: #e7e5e4;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);--shadow-lg: 0 4px 16px rgba(0,0,0,.12);font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);min-height:100dvh;line-height:1.6}.container{max-width:640px;margin:0 auto;padding:0 16px 80px}.header{background:var(--color-primary);color:#fff;padding:20px 16px;text-align:center}.header h1{font-size:1.4rem;font-weight:700}.header p{font-size:.9rem;opacity:.85;margin-top:4px}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-top:16px}.card-title{font-size:1rem;font-weight:700;margin-bottom:12px;color:var(--color-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 24px;border-radius:8px;border:none;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-success{background:#16a34a;color:#fff}.btn-danger{background:#dc2626;color:#fff}.btn-ghost{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-full{width:100%}.btn-lg{padding:16px 32px;font-size:1.1rem}.session-card{border-radius:var(--radius);border:2px solid var(--color-border);padding:16px;margin-top:12px;transition:border-color .2s;position:relative}.session-card.recommended{border-color:var(--color-primary)}.session-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.session-name{font-weight:700;font-size:1.05rem}.session-time{color:var(--color-muted);font-size:.9rem;margin-top:2px}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:.8rem;font-weight:700;white-space:nowrap;color:#fff}.badge-recommend{position:absolute;top:-12px;left:12px;background:var(--color-primary);padding:2px 10px;border-radius:20px;font-size:.75rem;font-weight:700;color:#fff}.congestion-info{margin-top:12px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.congestion-item label{font-size:.75rem;color:var(--color-muted);display:block;margin-bottom:4px}.progress-bar{height:8px;background:var(--color-border);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .5s ease}.wait-text{font-size:.85rem;color:var(--color-muted);margin-top:8px}.ticket{background:var(--color-surface);border:3px solid var(--color-primary);border-radius:16px;padding:32px 24px;text-align:center;margin-top:24px}.ticket-label{font-size:.9rem;color:var(--color-muted)}.ticket-number{font-size:5rem;font-weight:900;color:var(--color-primary);line-height:1;margin:8px 0}.ticket-session{font-size:1.1rem;font-weight:700;margin-bottom:4px}.ticket-time{color:var(--color-muted);font-size:.9rem}.ticket-qr{margin:24px auto 0;display:flex;justify-content:center}.ticket-status{margin-top:20px;padding:10px 20px;border-radius:8px;font-weight:700;font-size:1rem}.scanner-box{width:100%;max-width:400px;margin:0 auto;border-radius:var(--radius);overflow:hidden}#qr-reader{width:100%!important}#qr-reader video{border-radius:var(--radius)}.scan-result{margin-top:16px;padding:16px;border-radius:var(--radius);border:2px solid var(--color-border)}.scan-result.success{border-color:#16a34a;background:#f0fdf4}.scan-result.error{border-color:#dc2626;background:#fef2f2}.scan-result.already{border-color:#f59e0b;background:#fffbeb}.display-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:24px}.display-card{border-radius:var(--radius);padding:24px;text-align:center}.alert{padding:12px 16px;border-radius:8px;margin-top:12px;font-size:.9rem}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.spinner{display:inline-block;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mt-4{margin-top:16px}.text-center{text-align:center}.text-muted{color:var(--color-muted);font-size:.9rem}.flex{display:flex;gap:8px}.flex-col{flex-direction:column}