.n10 { font-size: 10px; line-height: 12px; font-weight: normal;}
.n11 { font-size: 11px; line-height: 13px; font-weight: normal;}
.n12 { font-size: 12px;	line-height: 14px; font-weight: normal;}
.n13 { font-size: 13px; line-height: 15px; font-weight: normal;}
.n14 { font-size: 14px; line-height: 16px; font-weight: normal;}
.n15 { font-size: 15px; line-height: 17px; font-weight: normal;}
.n16 { font-size: 16px; line-height: 18px; font-weight: normal;}
.n17 { font-size: 17px; line-height: 19px; font-weight: normal;}
.n18 { font-size: 18px; line-height: 20px; font-weight: normal;}
.n19 { font-size: 19px; line-height: 21px; font-weight: normal;}
.n20 { font-size: 20px; line-height: 22px; font-weight: normal;}
.b10 { font-size: 10px; line-height: 12px; font-weight: bold;}
.b11 { font-size: 11px; line-height: 13px; font-weight: bold;}
.b12 { font-size: 12px; line-height: 14px; font-weight: bold;}
.b13 { font-size: 13px; line-height: 15px; font-weight: bold;}
.b14 { font-size: 14px; line-height: 16px; font-weight: bold;}
.b15 { font-size: 15px; line-height: 17px; font-weight: bold;}
.b16 { font-size: 16px; line-height: 18px; font-weight: bold;}
.b17 { font-size: 17px;	line-height: 19px; font-weight: bold;}
.b18 { font-size: 18px; line-height: 20px; font-weight: bold;}
.b19 { font-size: 19px; line-height: 21px; font-weight: bold;}
.b20 { font-size: 20px; line-height: 22px; font-weight: bold;}
.im1 {
  ime-mode: active;   /* 全角モード */
}
.im2 {
  ime-mode: inactive; /* 半角モード */
}