Systems and methods of targeting savings deposits are provided that enable a depositor, such as a customer of a financial institution, to save money for various purposes or goals. The device has a first member in the form of an arm, and defines an inwardly facing surface. The illumination light beam, which is incident to each position of each light diffusion element to be diffused, overlappedly illuminates on corresponding spatial light modulator. 000 eqkg and a polyester unit formed by condensation polymerization of monomers each containing fatty acid having 4 to 12 carbon atoms, aromatic tricarboxylic acid, and ethylene glycol; and the toner has a main peak present in a molecular weight region ranging from 3,000 to 30,000 on the measurement of a molecular weight distribution of the THF-soluble component by gel permeation chromatography. This medicament enables disturbances of the thiol-disulfide status or those that occur, for example, in diabetes mellitus to be treated simultaneously, separately or in a temporally graduated manner. The etch-differential interface is defined between the etch rate interface and the surface.