.mission-brief{position:fixed;inset:0;z-index:100;background:radial-gradient(circle at 50% 25%,#29465ae9,#07121bf5 70%);display:flex;align-items:center;justify-content:center;overflow-y:auto;padding:calc(14px + env(safe-area-inset-top,0px)) 14px calc(14px + env(safe-area-inset-bottom,0px));pointer-events:auto;touch-action:pan-y}
.mission-brief.hidden{display:none!important}
.brief-card{width:min(480px,100%);margin:auto;background:linear-gradient(150deg,#233c4c,#0d202b);border:1px solid #85e3d980;border-radius:23px;box-shadow:0 22px 80px #000b;padding:clamp(19px,4vw,30px);color:#f5fff9;text-align:center}
.brief-eyebrow{color:#86f9d4;font-size:11px;font-weight:900;letter-spacing:2.3px}.brief-card h2{font-size:clamp(26px,6.5vw,39px);line-height:1.04;letter-spacing:-.8px;margin:10px 0 15px}.brief-goal{font-size:17px;color:#ffdf9a;font-weight:800;line-height:1.4;margin:0 0 18px}
.brief-detail{display:flex;align-items:center;gap:16px;background:#162f3b;border:1px solid #8cdacf68;border-radius:16px;padding:13px;text-align:left}.brief-icon{width:70px;height:70px;flex:none;display:grid;place-items:center;background:radial-gradient(circle,#4f7984,#173e4e);border:2px solid #9ceadb;border-radius:15px;font-size:39px}.brief-detail strong{display:block;color:#dbfff0;font-size:14px;letter-spacing:.4px}.brief-detail small{display:block;color:#b8dbd9;font-size:12px;line-height:1.4;margin-top:6px}
.brief-action{color:#e4f4f2;font-size:14px;line-height:1.6;margin:18px 0}.brief-legend{display:flex;flex-direction:column;gap:7px;text-align:left;background:#0b222b;border-radius:11px;padding:12px;font-size:12px;color:#b6d6d7}.brief-legend span{display:flex;align-items:center;gap:8px}.brief-dot{display:inline-block;width:11px;height:11px;flex:none;border-radius:50%}.brief-dot.gold{background:#ffdc8b}.brief-dot.red{background:#ef6551}.brief-boss{color:#8dcccb;font-size:11px;margin:14px 0}.brief-card button{width:100%;border:0;border-radius:14px;min-height:54px;background:linear-gradient(120deg,#c4ff83,#50e2b8);color:#0b252c;font-size:17px;font-weight:1000;box-shadow:0 5px 0 #247b66;cursor:pointer;touch-action:manipulation}
@media(max-height:680px){.brief-card{padding:16px}.brief-card h2{font-size:25px;margin:6px 0}.brief-goal{font-size:14px;margin-bottom:10px}.brief-detail{padding:8px}.brief-icon{height:48px;width:48px;font-size:28px}.brief-action{font-size:12px;margin:9px 0}.brief-boss{margin:7px 0}.brief-card button{min-height:45px}}