diff --git a/AIProject/iCo/Features/Base/ReportSectionView.swift b/AIProject/iCo/Features/Base/ReportSectionView.swift
index 38a43997..202eecd9 100644
--- a/AIProject/iCo/Features/Base/ReportSectionView.swift
+++ b/AIProject/iCo/Features/Base/ReportSectionView.swift
@@ -69,11 +69,11 @@ struct ReportSectionView<Value, Trailing: View, Content: View>: View {
             // Header
             HStack {
                 Image(systemName: data.icon)
-                    .font(.system(size: 14, weight: .bold))
+                    .font(.ico14B)
                     .foregroundStyle(.iCoAccent)
                 
                 Text(data.title)
-                    .font(.system(size: 16, weight: .bold))
+                    .font(.ico16B)
                     .foregroundStyle(.iCoLabel)
                 
                 Spacer()
@@ -92,7 +92,7 @@ struct ReportSectionView<Value, Trailing: View, Content: View>: View {
                     }
                 case .success(let value):
                     content(value)
-                        .font(.system(size: 14))
+                        .font(.ico14)
                         .foregroundStyle(.iCoLabel)
                         .lineSpacing(6)
                         .fixedSize(horizontal: false, vertical: true)
@@ -151,7 +151,7 @@ struct ReportSectionView<Value, Trailing: View, Content: View>: View {
                 trailing: { value in
                     Button(action: { UIPasteboard.general.string = value }) {
                         Image(systemName: "doc.on.doc")
-                            .font(.system(size: 14, weight: .semibold))
+                            .font(.ico14Sb)
                     }
                     .buttonStyle(.plain)
                     .accessibilityLabel("내용 복사")
@@ -175,7 +175,7 @@ struct ReportSectionView<Value, Trailing: View, Content: View>: View {
                 trailing: { value in
                     Button(action: { UIPasteboard.general.string = value }) {
                         Image(systemName: "doc.on.doc")
-                            .font(.system(size: 14, weight: .semibold))
+                            .font(.ico14Sb)
                     }
                     .buttonStyle(.plain)
                     .accessibilityLabel("내용 복사")
@@ -218,7 +218,7 @@ struct ReportSectionView<Value, Trailing: View, Content: View>: View {
             trailing: { value in
                 Button(action: { UIPasteboard.general.string = value }) {
                     Image(systemName: "doc.on.doc")
-                        .font(.system(size: 14, weight: .semibold))
+                        .font(.ico14Sb)
                 }
                 .buttonStyle(.plain)
                 .accessibilityLabel("내용 복사")
diff --git a/AIProject/iCo/Features/CoinDetail/View/ReportNewsSectionView.swift b/AIProject/iCo/Features/CoinDetail/View/ReportNewsSectionView.swift
index dcda47f0..3b773cb0 100644
--- a/AIProject/iCo/Features/CoinDetail/View/ReportNewsSectionView.swift
+++ b/AIProject/iCo/Features/CoinDetail/View/ReportNewsSectionView.swift
@@ -29,14 +29,14 @@ struct ReportNewsSectionView: View {
     var body: some View {
         VStack(alignment: .leading, spacing: 0) {
             Text(title)
-                .font(.system(size: 13, weight: .bold))
+                .font(.ico13B)
                 .foregroundStyle(.iCoAccent)
             
             ForEach(displayedArticles, id: \.id) { article in
                 VStack(alignment: .leading, spacing: 8) {
                     HStack {
                         Text(article.title.byCharWrapping)
-                            .font(.system(size: 15, weight: .bold))
+                            .font(.ico15B)
                             .foregroundStyle(.iCoLabel)
                             .lineLimit(1)
                         
@@ -50,7 +50,7 @@ struct ReportNewsSectionView: View {
                     }
                     
                     Text(article.summary.byCharWrapping)
-                        .font(.system(size: 14))
+                        .font(.ico14)
                         .foregroundStyle(.iCoLabel)
                         .lineSpacing(6)
                         .fixedSize(horizontal: false, vertical: true)
diff --git a/AIProject/iCo/Features/CoinDetail/View/ReportView.swift b/AIProject/iCo/Features/CoinDetail/View/ReportView.swift
index 6193bc7d..2d58c499 100644
--- a/AIProject/iCo/Features/CoinDetail/View/ReportView.swift
+++ b/AIProject/iCo/Features/CoinDetail/View/ReportView.swift
@@ -18,12 +18,12 @@ struct ReportView: View {
         VStack(alignment: .leading, spacing: 16) {
             if hSizeClass == .regular {
                 Text("AI 리포트")
-                    .font(.system(size: 18, weight: .bold))
+                    .font(.ico18B)
                     .foregroundStyle(.iCoLabel)
             }
             
             Text(String.aiGeneratedContentNotice)
-                .font(.system(size: 11))
+                .font(.ico11)
                 .foregroundStyle(.iCoNeutral)
                 .lineSpacing(5)
             
diff --git a/AIProject/iCo/Features/Dashboard/View/AIBriefingView.swift b/AIProject/iCo/Features/Dashboard/View/AIBriefingView.swift
index 3dbb824a..9e3a9b63 100644
--- a/AIProject/iCo/Features/Dashboard/View/AIBriefingView.swift
+++ b/AIProject/iCo/Features/Dashboard/View/AIBriefingView.swift
@@ -31,7 +31,7 @@ struct AIBriefingView: View {
         
         VStack(alignment: .leading, spacing: 20) {
             Text(String.aiGeneratedContentNotice)
-                .font(.system(size: 11))
+                .font(.ico11)
                 .foregroundStyle(.iCoNeutral)
                 .lineSpacing(5)
             
@@ -66,7 +66,7 @@ struct AIBriefingView: View {
                 data: data,
                 trailing: {
                     Text($0.sentiment.rawValue)
-                        .font(.system(size: 16, weight: .bold))
+                        .font(.ico16B)
                         .foregroundStyle($0.sentiment.color(for: themeManager.selectedTheme))
                 },
                 content: { Text($0.summary.byCharWrapping) }
diff --git a/AIProject/iCo/Features/Dashboard/View/FearGreedView.swift b/AIProject/iCo/Features/Dashboard/View/FearGreedView.swift
index f8fcda44..3c401469 100644
--- a/AIProject/iCo/Features/Dashboard/View/FearGreedView.swift
+++ b/AIProject/iCo/Features/Dashboard/View/FearGreedView.swift
@@ -20,11 +20,11 @@ struct FearGreedView: View {
         HStack(alignment: .center, spacing: 16) {
             VStack(alignment: .leading, spacing: 8) {
                 Text("공포 & 탐욕 지수")
-                    .font(.system(size: 19, weight: .bold))
+                    .font(.ico19B)
                     .foregroundStyle(.iCoLabel)
                 
                 Text("ⓘ Fear & Greed 지수는 투자 심리를 0~100 사이 수치로 나타낸 지표로, 0에 가까울수록 불안감으로 투자를 피하는 '공포', 100에 가까울수록 낙관적으로 적극 매수하는 '탐욕'을 의미합니다.".byCharWrapping)
-                    .font(.system(size: 11))
+                    .font(.ico11)
                     .foregroundStyle(.iCoLabelSecondary)
                     .lineSpacing(3)
                     .fixedSize(horizontal: false, vertical: true)
@@ -83,12 +83,12 @@ extension FearGreedView {
                     
                     VStack(spacing: size.height * 0.15) {
                         Text("\(Int(viewModel.indexValue))")
-                            .font(.system(size: size.width * 0.3, weight: .bold))
+                            .font(.dynamic(size: size.width * 0.3, weight: .bold))
                             .foregroundColor(.iCoLabel)
                             .minimumScaleFactor(0.5)
                         
                         Text(viewModel.classification)
-                            .font(.system(size: size.width * 0.15, weight: .semibold))
+                            .font(.dynamic(size: size.width * 0.15, weight: .semibold))
                             .foregroundStyle(viewModel.fearGreed.color)
                             .padding(.top, size.height * 0.01)
                             .frame(maxWidth: size.width * 0.6)