15. The portable electronic device according to claim 14 , wherein, when a character of the first scroll character font is compared with a corresponding character of the still character font, a color of at least a forward edge and a rearward edge with respect to the first scroll direction is different, and wherein, when a character of the second scroll character font is compared with a corresponding character of the still character font, a color of a forward edge and a rearward edge with respect to the second scroll direction is different.
15. The portable electronic device according to claim 14 , wherein, when a character of the first scroll character font is compared with a corresponding character of the still character font, a color of at least a forward edge and a rearward edge with respect to the first scroll direction is different, and wherein, when a character of the second scroll character font is compared with a corresponding character of the still character font, a color of a forward edge and a rearward edge with respect to the second scroll direction is different. 17. The portable electronic device according to claim 15 , wherein the forward and rearward edges of the characters corresponding to the first and second scroll character fonts are each one dot in width.