diff --git a/templates/projects.html b/templates/projects.html
index b2db2ed..d0aac0a 100644
--- a/templates/projects.html
+++ b/templates/projects.html
@@ -538,7 +538,7 @@
 
     .related-tag-stack {
         display: grid;
-        gap: 10px;
+        gap: 8px;
         width: 100%;
     }
 
@@ -551,52 +551,86 @@
     .related-project-tag {
         display: inline-flex;
         align-items: center;
-        gap: 8px;
-        border: 1px solid #d7e2eb;
-        background: #f7fbfe;
-        color: #29485f;
+        gap: 4px;
+        min-width: 0;
+        max-width: 100%;
+        border: 1px solid var(--line);
+        background: rgba(255, 255, 255, 0.96);
+        color: var(--ink);
         border-radius: 999px;
-        min-height: 18px;
-        padding: 1px 10px;
+        min-height: 10px;
+        padding: 0 8px;
         font-size: 12px;
         font-weight: 700;
-        line-height: 1.05;
+        line-height: 1;
     }
 
     .related-project-tag.is-muted {
         opacity: 0.72;
     }
 
+    .related-project-main {
+        display: inline-flex;
+        align-items: center;
+        gap: 4px;
+        min-width: 0;
+        flex: 1 1 auto;
+    }
+
     .related-project-open {
         border: 0;
         background: transparent;
         color: inherit;
         font-size: 12px;
         font-weight: 800;
-        line-height: 1.1;
+        line-height: 1;
         padding: 0;
-        text-decoration: underline;
-        text-underline-offset: 2px;
+        text-decoration: none;
         cursor: pointer;
+        box-shadow: none !important;
+        transform: none !important;
+        flex: 0 0 auto;
+    }
+
+    .related-project-open:hover {
+        color: inherit;
+        background: transparent;
+        text-decoration: none;
+    }
+
+    .related-project-name {
+        min-width: 0;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        color: #486072;
+        line-height: 1;
+    }
+
+    .related-project-actions {
+        display: inline-flex;
+        align-items: center;
+        gap: 4px;
+        flex: 0 0 auto;
     }
 
     .related-project-tag .related-project-toggle,
     .related-project-tag [data-remove-related] {
-        width: 14px;
-        height: 14px;
-        min-width: 14px;
-        min-height: 14px;
-        max-width: 14px;
-        max-height: 14px;
+        width: 12px;
+        height: 12px;
+        min-width: 12px;
+        min-height: 12px;
+        max-width: 12px;
+        max-height: 12px;
         padding: 0;
-        border-radius: 50%;
+        border-radius: 0;
         aspect-ratio: 1 / 1;
         border: 0;
-        background: rgba(41, 72, 95, 0.08);
-        color: #29485f;
+        background: transparent;
+        color: var(--muted);
         box-shadow: none !important;
         transform: none !important;
-        font-size: 11px;
+        font-size: 10px;
         line-height: 1;
         display: inline-flex;
         align-items: center;
@@ -606,7 +640,8 @@
     .related-project-tag .related-project-toggle:hover,
     .related-project-tag [data-remove-related]:hover {
         transform: none;
-        background: rgba(41, 72, 95, 0.14);
+        background: transparent;
+        color: var(--ink);
     }
 
     .related-project-toggle {
@@ -7284,12 +7319,16 @@
             const isInactive = inactiveCodes.has(item.support_dept_code);
             return `
             <span class="related-project-tag${isInactive ? " is-muted" : ""}">
-                <button type="button" class="related-project-open" data-open-related-project="${escapeHtml(item.support_dept_code)}" title="${escapeHtml(item.support_dept_name)}">
-                    ${escapeHtml(item.support_dept_code)}
-                </button>
-                · ${escapeHtml(item.support_dept_name)}
-                <button type="button" class="related-project-toggle" data-toggle-related="${escapeHtml(item.support_dept_code)}" title="${isInactive ? "상세 반영 다시 켜기" : "상세 반영 끄기"}" aria-label="${isInactive ? "상세 반영 다시 켜기" : "상세 반영 끄기"}">${isInactive ? "+" : "-"}</button>
-                <button type="button" data-remove-related="${escapeHtml(item.support_dept_code)}" title="연관 프로젝트 제거" aria-label="연관 프로젝트 제거">×</button>
+                <span class="related-project-main">
+                    <button type="button" class="related-project-open" data-open-related-project="${escapeHtml(item.support_dept_code)}" title="${escapeHtml(item.support_dept_name)}">
+                        ${escapeHtml(item.support_dept_code)}
+                    </button>
+                    <span class="related-project-name">${escapeHtml(item.support_dept_name)}</span>
+                </span>
+                <span class="related-project-actions">
+                    <button type="button" class="related-project-toggle" data-toggle-related="${escapeHtml(item.support_dept_code)}" title="${isInactive ? "상세 반영 다시 켜기" : "상세 반영 끄기"}" aria-label="${isInactive ? "상세 반영 다시 켜기" : "상세 반영 끄기"}">${isInactive ? "+" : "-"}</button>
+                    <button type="button" data-remove-related="${escapeHtml(item.support_dept_code)}" title="연관 프로젝트 제거" aria-label="연관 프로젝트 제거">×</button>
+                </span>
             </span>
         `;
         }).join("");