diff --git a/_static/fonts/NotoSansJP-VariableFont_wght.ttf b/_static/fonts/NotoSansJP-VariableFont_wght.ttf
new file mode 100644
index 000000000..4769abcc5
Binary files /dev/null and b/_static/fonts/NotoSansJP-VariableFont_wght.ttf differ
diff --git a/_static/fonts/noto-sans-jp-v54-japanese-regular.woff2 b/_static/fonts/noto-sans-jp-v54-japanese-regular.woff2
new file mode 100644
index 000000000..8da9e523d
Binary files /dev/null and b/_static/fonts/noto-sans-jp-v54-japanese-regular.woff2 differ
diff --git a/_static/pyos.css b/_static/pyos.css
index dadecbfd0..38efa584e 100644
--- a/_static/pyos.css
+++ b/_static/pyos.css
@@ -1,4 +1,4 @@
-/* PyOS-specific vars :) */
+/* pyOS-specific vars :) */
 :root {
   --pyos-color-primary: #703c87;
   --pyos-color-secondary: #8045e5;
@@ -6,13 +6,14 @@
   --pyos-color-tertiary: #a66c98;
   --pyos-color-dark: #542568;
   --pyos-color-light: #daabcf;
+  --pst-font-family-base: "Poppins", "Noto Sans JP", sans-serif;
 
   /* Darkmode Adjustments*/
   --pyos-dm-color-primary: #c483e0;
 
   /* Fonts (overrides base theme) */
-  --pst-font-family-heading: "Poppins", sans-serif;
-  --pst-font-family-base: "Poppins", sans-serif;
+  --pst-font-family-heading: "Poppins", "Noto Sans JP", sans-serif;
+  --pst-font-family-base: "Poppins", "Noto Sans JP", sans-serif;
   --pyos-font-family-h1: "Itim", serif;
 }
 
@@ -257,6 +258,15 @@ See https://github.com/pydata/pydata-sphinx-theme/pull/1784
 /* -------------------------------------- */
 /* Generated by https://gwfh.mranftl.com/ */
 
+/* support japanese characters */
+@font-face {
+  font-family: "Noto Sans JP";
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: url("./fonts/noto-sans-jp-v54-japanese-regular.woff2") format("woff2");
+}
+
 /* poppins-regular - latin */
 @font-face {
   font-display: swap; /* Check https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display for other options. */
diff --git a/conf.py b/conf.py
index 63d1eb72d..504bf551a 100644
--- a/conf.py
+++ b/conf.py
@@ -18,6 +18,9 @@
 import os
 from typing import TYPE_CHECKING
 from _ext import rss
+# Support add fonts to opengraph (noto sans jp)
+import matplotlib.font_manager as fm
+from pathlib import Path
 
 if TYPE_CHECKING:
     from sphinx.application import Sphinx
@@ -194,11 +197,19 @@
 html_js_files = ["matomo.js", "language_select.js"]
 
 
+
+
+# Path to the custom font
+font_path = Path(__file__).parent / "_static/fonts/NotoSansJP-VariableFont_wght.ttf"
+fm.fontManager.addfont(str(font_path))
+
 # Social cards
 ogp_site_url = "https://www.pyopensci.org/python-package-guide/"
 ogp_social_cards = {
     "line_color": "#6D597A",
     "image": "_static/pyopensci-logo-package-guide.png",
+    "font": "Noto Sans JP",
+    "font_path": str(font_path),
 }
 
 # Bibliographies
diff --git a/noxfile.py b/noxfile.py
index 8be2c5c25..4023a3739 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -9,6 +9,7 @@
 sys.path.insert(0, str(pathlib.Path(__file__).parent.absolute()))
 import conf
 
+reuse_existing_virtualenvs = True
 
 ## Sphinx related options