diff --git a/data/weather.py b/data/weather.py
index edb2bdf..4882bbe 100644
--- a/data/weather.py
+++ b/data/weather.py
@@ -39,26 +39,29 @@ def get_precipitation_summary(retry=True):
         total_rainfall = 0.0
 
         lines = [
-            '<div class="weatherinfo" style="text-align:center;">',
-            '<h3 style="font-size: 2em; margin: 20px 0;">[시간대별 강수량]</h3>',
-            '<table style="border-collapse: collapse; border-spacing: 0; display: inline-table; margin: 0 auto;">',
+            '<div class="weatherinfo" style="max-width: 100%; overflow-x: auto; padding: 10px; box-sizing: border-box;">',
+            '<h3 style="font-size: 1.8em; text-align: center; margin: 20px 0;">[시간대별 강수량]</h3>',
+            '<table style="border-collapse: collapse; width: 100%; max-width: 400px; margin: 0 auto; font-size: 1em;">',
+            '<thead>',
             '<tr>',
-            '<th style="min-width: 150px; line-height: 2em; padding: 0; border: 1px solid #333;">시간</th>',
-            '<th style="min-width: 150px; line-height: 2em; padding: 0; border: 1px solid #333;">강수량</th>',
-            '</tr>'
+            '<th style="border: 1px solid #333; padding: 2px;background-color: #f0f0f0;">시간</th>',
+            '<th style="border: 1px solid #333; padding: 2px;background-color: #f0f0f0;">강수량</th>',
+            '</tr>',
+            '</thead>',
+            '<tbody>'
         ]
 
         for item in data['response']['body']['items']['item']:
             if item['category'] == 'PCP' and item['fcstDate'] == TODAY:
-                time = item['fcstTime']  # 예: '1100'
+                time = item['fcstTime']
                 if 900 < int(time) < 2300:
                     mm = parse_precip(item['fcstValue'])
-                    time_str = f"{time[:2]}:{time[2:]}"  # '11:00'
-                    lines.append(f'<tr><td style="line-height: 2em; padding: 0; border: 1px solid #333;">{time_str}</td><td style="line-height: 2em; padding: 0; border: 1px solid #333;">{mm}mm</td></tr>')
+                    time_str = f"{time[:2]}:{time[2:]}"
+                    lines.append(f'<tr><td style="border: 1px solid #333; padding: 2px;text-align: center;">{time_str}</td><td style="border: 1px solid #333; padding: 2px;text-align: center;">{mm}mm</td></tr>')
                     total_rainfall += mm
 
-        lines.append(f'<tr><td colspan="2" style="line-height: 2em; padding: 0; border: 1px solid #333;">영업시간 중 총 예상 강수량: <strong>{total_rainfall:.1f}mm</strong></td></tr>')
-        lines.append('</table></div>')
+        lines.append(f'<tr><td colspan="2" style="border: 1px solid #333; padding: 2px;text-align: center; font-weight: bold;">영업시간 중 총 예상 강수량: {total_rainfall:.1f}mm</td></tr>')
+        lines.append('</tbody></table></div>')
 
         return ''.join(lines)