PARIS — By all logic, Chanel should be floundering. A global juggernaut without a captain, the house has been in limbo since the abrupt departure of Virginie Viard, drifting toward an uncertain horizon while awaiting the arrival of Matthieu Blazy in the fall.

By all logic, Chanel should be floundering. A global juggernaut without a captain, the house has been in a state of limbo since the abrupt departure of Virginie Viard, drifting toward an uncertain horizon while awaiting the arrival of Matthieu Blazy in the fall.