diff --git a/B01_Dashboard/B01_Dashboard_UI_Style_Pages.css b/B01_Dashboard/B01_Dashboard_UI_Style_Pages.css
index 383891f5a..af88305ca 100644
--- a/B01_Dashboard/B01_Dashboard_UI_Style_Pages.css
+++ b/B01_Dashboard/B01_Dashboard_UI_Style_Pages.css
@@ -594,3 +594,24 @@ a.b01-pg-name__main:hover {
 .b01-sys-chart line {
   stroke: var(--b01-line);
 }
+
+/* 공용 단추 눌림 색 — 기본이 보라(royal-amethyst · mist-violet)라 셸 강조 색으로 */
+.b01-pg .ui-btn--filled:hover:not(:disabled) {
+  background-color: var(--b01-accent);
+  filter: brightness(0.92);
+}
+.b01-pg .ui-btn--ghost:hover:not(:disabled) {
+  background-color: var(--b01-accent-soft);
+}
+.b01-sys-back {
+  align-self: flex-start;
+  padding: 0;
+  border: 0;
+  background: none;
+  color: var(--b01-muted);
+  font: inherit;
+  cursor: pointer;
+}
+.b01-sys-back:hover {
+  color: var(--b01-text);
+}
diff --git a/B01_Dashboard/B01_Dashboard_UI_View_SysCompanies.ts b/B01_Dashboard/B01_Dashboard_UI_View_SysCompanies.ts
index 7e8b3133a..0fc0cfe63 100644
--- a/B01_Dashboard/B01_Dashboard_UI_View_SysCompanies.ts
+++ b/B01_Dashboard/B01_Dashboard_UI_View_SysCompanies.ts
@@ -158,11 +158,9 @@ async function companyDetail(
   page.setAction(
     createButton({ label: "정보 수정", onClick: () => openEditCompanyModal(company) }),
   );
-  const back = createButton({
-    label: "‹ 회사 목록",
-    variant: "ghost",
-    onClick: () => ctx.go("sys-companies"),
-  });
+  const back = el("button", "b01-sys-back", "‹ 회사 목록");
+  back.type = "button";
+  back.addEventListener("click", () => ctx.go("sys-companies"));
   const logoBtn = createButton({
     label: logoLabel(company),
     variant: "ghost",
diff --git a/B01_Dashboard/B01_Dashboard_UI_View_SysLogs.ts b/B01_Dashboard/B01_Dashboard_UI_View_SysLogs.ts
index 8d1feb5ec..4e16dcf98 100644
--- a/B01_Dashboard/B01_Dashboard_UI_View_SysLogs.ts
+++ b/B01_Dashboard/B01_Dashboard_UI_View_SysLogs.ts
@@ -21,12 +21,15 @@ export const ACTION_KO: Record<string, string> = {
   COMPANY_CREATE: "회사 생성",
   CALC_SITE_CHANGE: "계산 자리 변경",
   RATE_ANOMALY: "호출 이상",
+  M02_OTHER_LAYER_WRITE: "마스터 다른 층 수정",
 };
 const TARGET_KO: Record<string, string> = {
   PROJECT: "프로젝트",
   COMPANY: "회사",
   USER: "사용자",
   ASSET: "자산",
+  M02_PERSONAL: "개인 마스터",
+  CALC_SITE: "계산 자리",
 };
 
 export const actionLabel = (action: string): string => ACTION_KO[action] ?? action;