diff --git a/parts/language/lang_ja.lua b/parts/language/lang_ja.lua
index 0bb580b4..f31644b3 100644
--- a/parts/language/lang_ja.lua
+++ b/parts/language/lang_ja.lua
@@ -229,7 +229,7 @@ return {
         "入力数/回転数/ホールド数:",
         "ミノ数:",
         "line数/掘line:",
-        "火力数/堀火力:",
+        "火力数/掘火力:",
         "受けたline数:",
         "line消去数:",
         "スピン:",
@@ -245,8 +245,8 @@ return {
         "入力数/回転数/ホールド数:",
         "ミノ数/line数/火力数:",
         "送られたline数/相殺/受け:",
-        "堀line/堀火力:",
-        "効率/堀の効率:",
+        "掘line/掘火力:",
+        "効率/掘の効率:",
         "B2B数/B3B数:",
         "PC数/HPC数:",
         "最適化ミス数/率:",
@@ -836,11 +836,11 @@ return {
         ['dig_40l']=        {"掘り",                 "40L",           "40line下穴を掘れ!"},
         ['dig_100l']=       {"掘り",                 "100L",          "100line下穴を掘れ!"},
         ['dig_400l']=       {"掘り",                 "400L",          "400line下穴を掘れ!"},
-        ['dig_eff_10l']=    {"堀り",               "EFFICIENCY 10L", "最小のミノ数で10line掘れ!"},
-        ['dig_eff_40l']=    {"堀り",               "EFFICIENCY 40L", "最小のミノ数で40line掘れ!"},
-        ['dig_eff_100l']=   {"堀り",               "EFFICIENCY 100L","最小のミノ数で100line掘れ!"},
-        ['dig_eff_400l']=   {"堀り",               "EFFICIENCY 400L","最小のミノ数で400line掘れ!"},
-        ['dig_quad_10l']=   {"堀り",               "TECHRASH 10L",   "techrashだけで10line下穴を掘れ!"},
+        ['dig_eff_10l']=    {"掘り",               "EFFICIENCY 10L", "最小のミノ数で10line掘れ!"},
+        ['dig_eff_40l']=    {"掘り",               "EFFICIENCY 40L", "最小のミノ数で40line掘れ!"},
+        ['dig_eff_100l']=   {"掘り",               "EFFICIENCY 100L","最小のミノ数で100line掘れ!"},
+        ['dig_eff_400l']=   {"掘り",               "EFFICIENCY 400L","最小のミノ数で400line掘れ!"},
+        ['dig_quad_10l']=   {"掘り",               "TECHRASH 10L",   "techrashだけで10line下穴を掘れ!"},
         ['drought_n']=      {"ドラウト",             "100L",          "Iミノ一切無し!"},
         ['drought_l']=      {"ドラウト+",            "100L",          "わったーふ◯っく!"},
         ['marathon_n']=     {"マラソン",             "NORMAL",        "加速する中で200lineマラソン!"},
@@ -896,8 +896,8 @@ return {
         ['attacker_u']=     {"火力王",                "ULTIMATE",      "攻撃力を磨け!"},
         ['defender_n']=     {"相殺王",                "NORMAL",        "防御力を磨け!"},
         ['defender_l']=     {"相殺王",                "LUNATIC",       "防御力を磨け!"},
-        ['dig_h']=          {"堀王",                  "HARD",          "掘りを磨け"},
-        ['dig_u']=          {"堀王",                  "ULTIMATE",      "掘りを磨け"},
+        ['dig_h']=          {"掘王",                  "HARD",          "掘りを磨け"},
+        ['dig_u']=          {"掘王",                  "ULTIMATE",      "掘りを磨け"},
         ['c4wtrain_n']=     {"C4Wトレーニング",       "NORMAL",     "無限中開け"},
         ['c4wtrain_l']=     {"C4Wトレーニング",       "LUNATIC",    "無限中開け"},
         ['pctrain_n']=      {"パフェトレーニング",     "NORMAL",     "パフェの練習!"},