From 4338c72e7d5d2eec081dc5aa709708a0aa397a51 Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:06:19 +0900
Subject: [PATCH 01/10] fix: keep output panel background beige after text
 generation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index 5b394ab..97a85fc 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -755,8 +755,7 @@ export function StyleTransformer() {
               display: "flex",
               flexDirection: "column",
               overflow: "hidden",
-              background: hasOutput || isLoading ? C.panelBg : C.bg,
-              transition: "background 0.3s ease",
+              background: C.bg,
             }}
             aria-live="polite"
           >

From b4afb940b434340c86a36af21a01f997e3f3e4bf Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:08:05 +0900
Subject: [PATCH 02/10] =?UTF-8?q?feat:=20add=20accent-colored=20=E2=96=B6?=
 =?UTF-8?q?=20divider=20between=20input=20and=20output=20panels?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index 97a85fc..d08541d 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -602,7 +602,6 @@ export function StyleTransformer() {
               flex: 1,
               display: "flex",
               flexDirection: "column",
-              borderRight: `1px solid ${C.rule}`,
               overflowY: "auto",
             }}
           >
@@ -748,6 +747,23 @@ export function StyleTransformer() {
             </div>
           </section>
 
+          {/* パネル間 ▶︎ アイコン */}
+          <div
+            style={{
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              width: "2rem",
+              flexShrink: 0,
+              color: C.accent,
+              fontSize: "0.75rem",
+              pointerEvents: "none",
+              userSelect: "none",
+            }}
+          >
+            ▶
+          </div>
+
           {/* 右パネル：出力 */}
           <section
             style={{

From a18fe2850910e7c18c280ac065f6b85665925fdf Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:10:32 +0900
Subject: [PATCH 03/10] feat: enclose panels in bordered cards with triangle
 divider

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index d08541d..313183e 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -595,7 +595,7 @@ export function StyleTransformer() {
         </header>
 
         {/* 左右分割コンテンツ */}
-        <div style={{ flex: 1, display: "flex", overflow: "hidden" }}>
+        <div style={{ flex: 1, display: "flex", overflow: "hidden", padding: "1.25rem", gap: 0 }}>
           {/* 左パネル：入力 */}
           <section
             style={{
@@ -603,6 +603,11 @@ export function StyleTransformer() {
               display: "flex",
               flexDirection: "column",
               overflowY: "auto",
+              border: `1px solid ${C.rule}`,
+              borderRadius: "4px",
+              background: C.panelBg,
+              boxShadow: "0 1px 4px rgba(26,24,20,0.06)",
+              overflow: "hidden",
             }}
           >
             <div
@@ -772,6 +777,9 @@ export function StyleTransformer() {
               flexDirection: "column",
               overflow: "hidden",
               background: C.bg,
+              border: `1px solid ${C.rule}`,
+              borderRadius: "4px",
+              boxShadow: "0 1px 4px rgba(26,24,20,0.06)",
             }}
             aria-live="polite"
           >

From 0c10f0f4546f707d6d65d8d0402d4f1bc776efb1 Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:14:49 +0900
Subject: [PATCH 04/10] fix: unify left panel background to panelBg (white)
 throughout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index 313183e..ff61521 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -669,7 +669,7 @@ export function StyleTransformer() {
               style={{
                 borderTop: `1px solid ${C.rule}`,
                 padding: "0.75rem 1.75rem",
-                background: C.bg,
+                background: C.panelBg,
                 display: "flex",
                 flexDirection: "column",
                 gap: "0.5rem",

From 9252620c537ffece7bff966fa48989b6963cbb61 Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:15:39 +0900
Subject: [PATCH 05/10] fix: left panel beige everywhere except style button
 area (white)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index ff61521..fad0668 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -605,7 +605,7 @@ export function StyleTransformer() {
               overflowY: "auto",
               border: `1px solid ${C.rule}`,
               borderRadius: "4px",
-              background: C.panelBg,
+              background: C.bg,
               boxShadow: "0 1px 4px rgba(26,24,20,0.06)",
               overflow: "hidden",
             }}
@@ -669,7 +669,7 @@ export function StyleTransformer() {
               style={{
                 borderTop: `1px solid ${C.rule}`,
                 padding: "0.75rem 1.75rem",
-                background: C.panelBg,
+                background: C.bg,
                 display: "flex",
                 flexDirection: "column",
                 gap: "0.5rem",

From 4143cf4baf616a8a648a562efd82d5b2a7daaf25 Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:16:31 +0900
Subject: [PATCH 06/10] =?UTF-8?q?feat:=20differentiate=20panel=20headers?=
 =?UTF-8?q?=20=E2=80=94=20=E5=8E=9F=E6=96=87=20red,=20=E5=A4=89=E6=8F=9B?=
 =?UTF-8?q?=E5=BE=8C=20green?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index fad0668..20fa57b 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -613,7 +613,8 @@ export function StyleTransformer() {
             <div
               style={{
                 padding: "0 1.75rem",
-                borderBottom: `1px solid ${C.rule}`,
+                borderBottom: `1px solid ${C.accentBorder}`,
+                background: C.accentBg,
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",
@@ -626,7 +627,7 @@ export function StyleTransformer() {
                   fontSize: "0.6875rem",
                   fontWeight: 700,
                   letterSpacing: "0.12em",
-                  color: C.inkMid,
+                  color: C.accent,
                   textTransform: "uppercase",
                 }}
               >
@@ -786,7 +787,8 @@ export function StyleTransformer() {
             <div
               style={{
                 padding: "0 1.75rem",
-                borderBottom: `1px solid ${C.rule}`,
+                borderBottom: `1px solid ${C.highlightBorder}`,
+                background: C.highlightBg,
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",
@@ -800,7 +802,7 @@ export function StyleTransformer() {
                     fontSize: "0.6875rem",
                     fontWeight: 700,
                     letterSpacing: "0.12em",
-                    color: C.inkMid,
+                    color: C.highlight,
                     textTransform: "uppercase",
                   }}
                 >

From 28de59671a492324d8e191b397d0ba473d58204f Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:18:02 +0900
Subject: [PATCH 07/10] fix: unify panel headers to same neutral beige style

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index 20fa57b..e2e4320 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -613,8 +613,8 @@ export function StyleTransformer() {
             <div
               style={{
                 padding: "0 1.75rem",
-                borderBottom: `1px solid ${C.accentBorder}`,
-                background: C.accentBg,
+                borderBottom: `1px solid ${C.rule}`,
+                background: C.bg,
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",
@@ -627,7 +627,7 @@ export function StyleTransformer() {
                   fontSize: "0.6875rem",
                   fontWeight: 700,
                   letterSpacing: "0.12em",
-                  color: C.accent,
+                  color: C.inkMid,
                   textTransform: "uppercase",
                 }}
               >
@@ -787,8 +787,8 @@ export function StyleTransformer() {
             <div
               style={{
                 padding: "0 1.75rem",
-                borderBottom: `1px solid ${C.highlightBorder}`,
-                background: C.highlightBg,
+                borderBottom: `1px solid ${C.rule}`,
+                background: C.bg,
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",
@@ -802,7 +802,7 @@ export function StyleTransformer() {
                     fontSize: "0.6875rem",
                     fontWeight: 700,
                     letterSpacing: "0.12em",
-                    color: C.highlight,
+                    color: C.inkMid,
                     textTransform: "uppercase",
                   }}
                 >

From 71724d1ab158e65255f024e15e4c74391f670866 Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:19:57 +0900
Subject: [PATCH 08/10] fix: set both panel headers to white background

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index e2e4320..e898e1c 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -614,7 +614,7 @@ export function StyleTransformer() {
               style={{
                 padding: "0 1.75rem",
                 borderBottom: `1px solid ${C.rule}`,
-                background: C.bg,
+                background: C.panelBg,
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",
@@ -788,7 +788,7 @@ export function StyleTransformer() {
               style={{
                 padding: "0 1.75rem",
                 borderBottom: `1px solid ${C.rule}`,
-                background: C.bg,
+                background: C.panelBg,
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",

From 7e9be5cad957db58ae1d0c18ebc4b4f42cd8c38a Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:21:10 +0900
Subject: [PATCH 09/10] fix: set panel headers to darker beige (#D4CEC6)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index e898e1c..568301c 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -614,7 +614,7 @@ export function StyleTransformer() {
               style={{
                 padding: "0 1.75rem",
                 borderBottom: `1px solid ${C.rule}`,
-                background: C.panelBg,
+                background: "#D4CEC6",
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",
@@ -788,7 +788,7 @@ export function StyleTransformer() {
               style={{
                 padding: "0 1.75rem",
                 borderBottom: `1px solid ${C.rule}`,
-                background: C.panelBg,
+                background: "#D4CEC6",
                 display: "flex",
                 alignItems: "center",
                 justifyContent: "space-between",

From 2bb36efe919f21e986ddd461678a717c0d3a2f22 Mon Sep 17 00:00:00 2001
From: kanare-dev <me@kanare.dev>
Date: Sat, 28 Mar 2026 13:21:36 +0900
Subject: [PATCH 10/10] fix: darken character count text for readability on
 beige header

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 components/features/StyleTransformer.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/features/StyleTransformer.tsx b/components/features/StyleTransformer.tsx
index 568301c..950a711 100644
--- a/components/features/StyleTransformer.tsx
+++ b/components/features/StyleTransformer.tsx
@@ -633,7 +633,7 @@ export function StyleTransformer() {
               >
                 原文
               </span>
-              <span style={{ fontSize: "0.6875rem", color: C.inkLight, letterSpacing: "0.04em" }}>
+              <span style={{ fontSize: "0.6875rem", color: C.inkMid, letterSpacing: "0.04em" }}>
                 {inputText.length} 文字
               </span>
             </div>