:root{--background:#f3f4f6;--background-card:#fff;--foreground:#1e293b;--foreground-muted:#64748b;--primary:#0f1e4e;--primary-light:#eff6ff;--border-color:#e2e8f0;--shadow-sm:0 1px 3px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--background);color:var(--foreground);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Hiragino Sans,Noto Sans JP,sans-serif;min-height:100vh;line-height:1.8}.app-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:linear-gradient(180deg,#0d1529,#1a2744 40%,#1e3a5f);border-bottom:1px solid hsla(0,0%,100%,.08);padding:14px 20px}.app-header-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}.app-header-left{display:flex;align-items:center;gap:42px}.app-header-logo{width:52px;height:52px;border-radius:8px}.app-header-title{font-size:22px;font-weight:600;color:#a4c9f9}.app-header-buttons{display:flex;align-items:center;gap:14px}.header-btn{padding:8px 16px;border-radius:9999px;border:1px solid #25324d;background:transparent;font-size:16px;font-weight:400;cursor:pointer;color:#e8eaed;transition:all .2s ease}.header-btn:hover{background:#1e3a5f;border-color:#1e3a5f;color:#cbd5e1}.header-btn-staff{padding:8px 12px;border:none;background:transparent;font-size:12px;font-weight:400;cursor:pointer;color:#60a5fa;transition:all .2s ease}.header-btn-staff:hover{color:#93c5fd}.main-content{max-width:900px;margin:0 auto;padding:32px 20px 100px}.app-footer{position:fixed;bottom:0;left:0;right:0;background:linear-gradient(180deg,#1a2744,#0d1529);padding:14px 16px;z-index:50;border-top:1px solid hsla(0,0%,100%,.08)}.app-footer-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.app-footer-logo{color:#94a3b8;font-size:14px;font-weight:500}.app-footer-copy{color:#64748b;font-size:12px}.card{background:var(--background-card);border-radius:12px;border:1px solid var(--border-color);padding:32px 36px;box-shadow:var(--shadow-sm)}.card-label{font-size:14px;color:var(--foreground-muted);margin-bottom:20px}.card-text{font-size:22px;color:var(--foreground);line-height:1.5;margin-bottom:8px}.btn-group{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}.btn{display:flex;align-items:center;justify-content:center;padding:18px 24px;border-radius:10px;font-size:20px;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none;border:none;background:var(--primary);color:#fff}.btn:hover{background:#0a1638}.note{font-size:14px;color:var(--foreground-muted);line-height:1.7}.progress-bar{height:4px;background:#e2e8f0;border-radius:9999px;overflow:hidden;margin-bottom:24px}.progress-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#06b6d4);border-radius:9999px;transition:width .3s ease}.question-number{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--primary);color:#fff;border-radius:8px;font-size:14px;font-weight:600;margin-bottom:12px}.question-text{font-size:20px;font-weight:600;color:var(--foreground);line-height:1.6;margin-bottom:8px}.question-hint{font-size:15px;color:var(--foreground-muted);line-height:1.7;margin-bottom:24px}.choice-btn{width:100%;padding:18px 24px;background:#fff;border:2px solid #e2e8f0;border-radius:12px;font-size:16px;font-weight:500;color:var(--foreground);cursor:pointer;transition:all .2s ease;text-align:left;display:flex;align-items:center;gap:14px;margin-bottom:12px}.choice-btn.selected,.choice-btn:hover{border-color:#3b82f6;background:#eff6ff}.choice-btn.selected{box-shadow:0 0 0 3px rgba(59,130,246,.2)}.choice-icon{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,#e0f2fe,#bae6fd);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.choice-content{flex:1 1}.choice-label{font-weight:600;margin-bottom:2px}.choice-description{font-size:14px;color:var(--foreground-muted)}.screen-only{display:block!important}.print-only{display:none!important}@media print{.screen-only{display:none!important}.print-only{display:block!important}.app-footer,.app-header{display:none!important}body{background:#fff}.main-content{padding:0;max-width:none}}@media (max-width:640px){.app-header-inner{flex-direction:column;align-items:flex-start;gap:12px}.app-header-logo{width:58px;height:58px}.app-header-buttons{width:100%;flex-wrap:wrap}.main-content{padding:20px 16px 40px}.card{padding:24px 20px}.card-text{font-size:16px}.btn{padding:16px 20px;font-size:15px}.question-text{font-size:18px}.choice-btn{padding:16px 18px}.choice-icon{width:40px;height:40px}}