diff --git a/src-ui/logics/ui_configs.js b/src-ui/logics/ui_configs.js
index 8d1d4487..49b4239f 100644
--- a/src-ui/logics/ui_configs.js
+++ b/src-ui/logics/ui_configs.js
@@ -137,5 +137,26 @@ export const whisper_weight_type_status = [
 export const deepl_auth_key_url = "https://www.deepl.com/ja/your-account/keys";
 
 
+export const vrct_document_home_url = "https://misyaguziya.github.io/VRCT-Docs";
+export const vrct_document_url_chunk_faq = "docs/faq";
+export const vrct_document_url_chunk_ui_guide = "docs/ui-guide";
+
+export const generateLocalizedDocumentUrl = (lang_code = "en") => {
+    const supported_languages = ["en", "ja"];
+
+    if (supported_languages.includes(lang_code) === false) {
+        lang_code = "en";
+    }
+
+    const lang_path = (lang_code === "en") ? "" : `/${lang_code}`;
+
+    return {
+        vrct_document_home_url: `${vrct_document_home_url}`,
+        vrct_document_faq_url: `${vrct_document_home_url}${lang_path}/${vrct_document_url_chunk_faq}`,
+        vrct_document_ui_guide_url: `${vrct_document_home_url}${lang_path}/${vrct_document_url_chunk_ui_guide}`,
+    };
+};
+
+
 export const supporters_data_url = "https://shiinasakamoto.github.io/vrct_supporters/assets/supporters/data.json";
 export const supporters_images_url = "https://ShiinaSakamoto.github.io/vrct_supporters/assets/supporters";
\ No newline at end of file
diff --git a/src-ui/views/app/config_page/setting_section/setting_box/about_vrct/AboutVrct.jsx b/src-ui/views/app/config_page/setting_section/setting_box/about_vrct/AboutVrct.jsx
index a939ebbe..01e46cc3 100644
--- a/src-ui/views/app/config_page/setting_section/setting_box/about_vrct/AboutVrct.jsx
+++ b/src-ui/views/app/config_page/setting_section/setting_box/about_vrct/AboutVrct.jsx
@@ -31,6 +31,8 @@ import { useI18n } from "@useI18n";
 import { useAppearance } from "@logics_configs";
 import { PosterShowcaseContents } from "./poster_showcase_contents/PosterShowcaseContents";
 
+import { generateLocalizedDocumentUrl } from "@ui_configs";
+
 export const AboutVrct = () => {
     const { t } = useI18n();
     const { currentUiLanguage } = useAppearance();
@@ -153,7 +155,7 @@ const about_vrct_links = {
     dev_shiina_x: { img: dev_x_icon, href: "https://twitter.com/Shiina_12siy" },
 
     project_link_booth: { img: project_link_booth, href: "https://misyaguziya.booth.pm/items/5155325" },
-    project_link_documents: { img: project_link_documents, href: "https://mzsoftware.notion.site/VRCT-Documents-be79b7a165f64442ad8f326d86c22246" },
+    project_link_documents: { img: project_link_documents, href: generateLocalizedDocumentUrl().vrct_document_home_url },
     project_link_vrct_github: { img: project_link_vrct_github, href: "https://github.com/misyaguziya/VRCT" },
     project_link_contact_us: { img: project_link_contact_us, href: "https://docs.google.com/forms/d/e/1FAIpQLSei-xoydOY60ivXqhOjaTzNN8PiBQIDcNhzfy6cw2sjYkcg_g/viewform" },
 
diff --git a/src-ui/views/app/main_page/main_section/top_bar/right_side_components/RightSideComponents.jsx b/src-ui/views/app/main_page/main_section/top_bar/right_side_components/RightSideComponents.jsx
index d76616e0..2cd87eb4 100644
--- a/src-ui/views/app/main_page/main_section/top_bar/right_side_components/RightSideComponents.jsx
+++ b/src-ui/views/app/main_page/main_section/top_bar/right_side_components/RightSideComponents.jsx
@@ -9,10 +9,17 @@ import {
     useIsOscAvailable,
 } from "@logics_common";
 
-import { useVr, useOthers } from "@logics_configs";
+import {
+    useAppearance,
+    useVr,
+    useOthers,
+} from "@logics_configs";
 import { OpenQuickSettingButton } from "./_buttons/OpenQuickSettingButton";
 
+import { generateLocalizedDocumentUrl } from "@ui_configs";
+
 export const RightSideComponents = () => {
+    const { currentUiLanguage } = useAppearance();
 
     return (
         <div className={styles.container}>
@@ -23,7 +30,7 @@ export const RightSideComponents = () => {
             <SoftwareUpdateAvailableButton />
             <a
                 className={styles.help_and_info_button}
-                href="https://docs.google.com/spreadsheets/d/1_L5i-1U6PB1dnaPPTE_5uKMfqOpkLziPyRkiMLi4mqU/edit?usp=sharing"
+                href={generateLocalizedDocumentUrl(currentUiLanguage.data).vrct_document_ui_guide_url}
                 target="_blank"
                 rel="noreferrer"
             >
diff --git a/src-ui/views/app/others/splash_component/SplashComponent.jsx b/src-ui/views/app/others/splash_component/SplashComponent.jsx
index a9ac4aeb..b34ab288 100644
--- a/src-ui/views/app/others/splash_component/SplashComponent.jsx
+++ b/src-ui/views/app/others/splash_component/SplashComponent.jsx
@@ -6,6 +6,7 @@ import MegaphoneSvg from "@images/megaphone.svg?react";
 import XMarkSvg from "@images/cancel.svg?react";
 import { useWindow } from "@logics_common";
 import clsx from "clsx";
+import { generateLocalizedDocumentUrl } from "@ui_configs";
 
 export const SplashComponent = () => {
     return (
@@ -56,7 +57,7 @@ const AnnouncementsContainer = () => {
                 [styles.is_shown]: is_shown,
                 [styles.is_labels_active]: is_labels_active,
             })}
-            href="https://docs.google.com/spreadsheets/d/1_L5i-1U6PB1dnaPPTE_5uKMfqOpkLziPyRkiMLi4mqU/edit?usp=sharing"
+            href={generateLocalizedDocumentUrl().vrct_document_faq_url}
             target="_blank"
             rel="noreferrer"
         >