diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a1df597e..15d100f7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,19 +1,58 @@
-name: Build
-on:
-  pull_request:
-  push:
-    branches:
-      - master
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# Sample workflow for building and deploying a Jekyll site to GitHub Pages
+name: Deploy Jekyll site to Pages
+
+on: [push, workflow_dispatch]
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
 
 jobs:
+  # Build job
   build:
-    name: Build
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@24cb9080177205b6e8c946b17badbe402adc938f # v3.4.0
-      - uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1 # v1.144.2
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
         with:
-          bundler-cache: true
-          ruby-version: 3.0.5
-      - name: Build
-        run: bundle exec jekyll build
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+          cache-version: 1 # Increment this number if you need to re-download cached gems
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v5
+      - name: Build with Jekyll
+        # Outputs to the './_site' directory by default
+        run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
+        env:
+          JEKYLL_ENV: production
+      - name: Upload artifact
+        # Automatically uploads an artifact from the './_site' directory by default
+        uses: actions/upload-pages-artifact@v3
+
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.ref == 'refs/heads/master'
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 00000000..15a27998
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.3.0
diff --git a/Gemfile b/Gemfile
index 97da1cdd..471018c6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,11 +1,11 @@
-source 'https://rubygems.org'
-ruby '3.0.5'
+source "https://rubygems.org"
+ruby file: ".ruby-version"
 
-gem 'github-pages'
-gem 'pathutil', github: 'https://github.com/envygeeks/pathutil/pull/5'
-gem 'webrick'
-gem 'puma', '~> 5.6'
-gem 'rack', '< 3'
-gem 'rack-jekyll', '~> 0.5.0', github: 'adaoraul/rack-jekyll'
-gem 'rake'
-gem 'sass'
+gem "base64", "~> 0.2.0"
+gem "bigdecimal", "~> 3.1"
+gem "csv", "~> 3.3"
+gem "jekyll", "~> 4.0"
+gem "puma", "~> 6.0"
+gem "rack-jekyll", "~> 0.5.0", github: "adaoraul/rack-jekyll"
+gem "rake", "~> 13.0"
+gem "sass", "~> 3.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index 26684819..982270bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,285 +7,98 @@ GIT
       listen (>= 1.3)
       rack (>= 1.5)
 
-GIT
-  remote: https://github.com/envygeeks/pathutil.git
-  revision: 3451a10c362fc867b20c7e471a551b31c40a0246
-  ref: refs/pull/5/head
-  specs:
-    pathutil (0.16.2)
-      forwardable-extended (~> 2.6)
-
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.0.7.2)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-    addressable (2.8.1)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.11.1)
+    base64 (0.2.0)
+    bigdecimal (3.1.7)
     colorator (1.1.0)
-    commonmarker (0.23.10)
-    concurrent-ruby (1.2.2)
-    dnsruby (1.61.9)
-      simpleidn (~> 0.1)
+    concurrent-ruby (1.2.3)
+    csv (3.3.0)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    ethon (0.16.0)
-      ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    execjs (2.8.1)
-    faraday (2.7.4)
-      faraday-net_http (>= 2.0, < 3.1)
-      ruby2_keywords (>= 0.0.4)
-    faraday-net_http (3.0.2)
-    ffi (1.15.5)
+    ffi (1.16.3)
     forwardable-extended (2.6.0)
-    gemoji (3.0.1)
-    github-pages (228)
-      github-pages-health-check (= 1.17.9)
-      jekyll (= 3.9.3)
-      jekyll-avatar (= 0.7.0)
-      jekyll-coffeescript (= 1.1.1)
-      jekyll-commonmark-ghpages (= 0.4.0)
-      jekyll-default-layout (= 0.1.4)
-      jekyll-feed (= 0.15.1)
-      jekyll-gist (= 1.5.0)
-      jekyll-github-metadata (= 2.13.0)
-      jekyll-include-cache (= 0.2.1)
-      jekyll-mentions (= 1.6.0)
-      jekyll-optional-front-matter (= 0.3.2)
-      jekyll-paginate (= 1.1.0)
-      jekyll-readme-index (= 0.3.0)
-      jekyll-redirect-from (= 0.16.0)
-      jekyll-relative-links (= 0.6.1)
-      jekyll-remote-theme (= 0.4.3)
-      jekyll-sass-converter (= 1.5.2)
-      jekyll-seo-tag (= 2.8.0)
-      jekyll-sitemap (= 1.4.0)
-      jekyll-swiss (= 1.0.0)
-      jekyll-theme-architect (= 0.2.0)
-      jekyll-theme-cayman (= 0.2.0)
-      jekyll-theme-dinky (= 0.2.0)
-      jekyll-theme-hacker (= 0.2.0)
-      jekyll-theme-leap-day (= 0.2.0)
-      jekyll-theme-merlot (= 0.2.0)
-      jekyll-theme-midnight (= 0.2.0)
-      jekyll-theme-minimal (= 0.2.0)
-      jekyll-theme-modernist (= 0.2.0)
-      jekyll-theme-primer (= 0.6.0)
-      jekyll-theme-slate (= 0.2.0)
-      jekyll-theme-tactile (= 0.2.0)
-      jekyll-theme-time-machine (= 0.2.0)
-      jekyll-titles-from-headings (= 0.5.3)
-      jemoji (= 0.12.0)
-      kramdown (= 2.3.2)
-      kramdown-parser-gfm (= 1.1.0)
-      liquid (= 4.0.4)
-      mercenary (~> 0.3)
-      minima (= 2.5.1)
-      nokogiri (>= 1.13.6, < 2.0)
-      rouge (= 3.26.0)
-      terminal-table (~> 1.4)
-    github-pages-health-check (1.17.9)
-      addressable (~> 2.3)
-      dnsruby (~> 1.60)
-      octokit (~> 4.0)
-      public_suffix (>= 3.0, < 5.0)
-      typhoeus (~> 1.3)
-    html-pipeline (2.14.3)
-      activesupport (>= 2)
-      nokogiri (>= 1.4)
+    google-protobuf (4.26.1)
+      rake (>= 13)
     http_parser.rb (0.8.0)
-    i18n (1.14.1)
+    i18n (1.14.4)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.3)
+    jekyll (4.3.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
-      i18n (>= 0.7, < 2)
-      jekyll-sass-converter (~> 1.0)
+      i18n (~> 1.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
-      kramdown (>= 1.17, < 3)
+      kramdown (~> 2.3, >= 2.3.1)
+      kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.3.3)
+      mercenary (>= 0.3.6, < 0.5)
       pathutil (~> 0.9)
-      rouge (>= 1.7, < 4)
+      rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
-    jekyll-avatar (0.7.0)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-coffeescript (1.1.1)
-      coffee-script (~> 2.2)
-      coffee-script-source (~> 1.11.1)
-    jekyll-commonmark (1.4.0)
-      commonmarker (~> 0.22)
-    jekyll-commonmark-ghpages (0.4.0)
-      commonmarker (~> 0.23.7)
-      jekyll (~> 3.9.0)
-      jekyll-commonmark (~> 1.4.0)
-      rouge (>= 2.0, < 5.0)
-    jekyll-default-layout (0.1.4)
-      jekyll (~> 3.0)
-    jekyll-feed (0.15.1)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-gist (1.5.0)
-      octokit (~> 4.2)
-    jekyll-github-metadata (2.13.0)
-      jekyll (>= 3.4, < 5.0)
-      octokit (~> 4.0, != 4.4.0)
-    jekyll-include-cache (0.2.1)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-mentions (1.6.0)
-      html-pipeline (~> 2.3)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-optional-front-matter (0.3.2)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-paginate (1.1.0)
-    jekyll-readme-index (0.3.0)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-redirect-from (0.16.0)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-relative-links (0.6.1)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-remote-theme (0.4.3)
-      addressable (~> 2.0)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-sass-converter (>= 1.0, <= 3.0.0, != 2.0.0)
-      rubyzip (>= 1.3.0, < 3.0)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
-    jekyll-seo-tag (2.8.0)
-      jekyll (>= 3.8, < 5.0)
-    jekyll-sitemap (1.4.0)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-swiss (1.0.0)
-    jekyll-theme-architect (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-cayman (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-dinky (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-hacker (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-leap-day (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-merlot (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-midnight (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-minimal (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-modernist (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-primer (0.6.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-github-metadata (~> 2.9)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-slate (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-tactile (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-time-machine (0.2.0)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-titles-from-headings (0.5.3)
-      jekyll (>= 3.3, < 5.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
+    jekyll-sass-converter (3.0.0)
+      sass-embedded (~> 1.54)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jemoji (0.12.0)
-      gemoji (~> 3.0)
-      html-pipeline (~> 2.2)
-      jekyll (>= 3.0, < 5.0)
-    kramdown (2.3.2)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.4)
-    listen (3.8.0)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    mercenary (0.3.6)
-    mini_portile2 (2.8.5)
-    minima (2.5.1)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-feed (~> 0.9)
-      jekyll-seo-tag (~> 2.1)
-    minitest (5.19.0)
-    nio4r (2.7.0)
-    nokogiri (1.16.2)
-      mini_portile2 (~> 2.8.2)
-      racc (~> 1.4)
-    octokit (4.25.1)
-      faraday (>= 1, < 3)
-      sawyer (~> 0.9)
-    public_suffix (4.0.7)
-    puma (5.6.8)
+    mercenary (0.4.0)
+    nio4r (2.7.1)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (5.0.5)
+    puma (6.4.2)
       nio4r (~> 2.0)
-    racc (1.7.3)
-    rack (2.2.8.1)
-    rake (13.0.3)
+    rack (3.0.10)
+    rake (13.2.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
-    rouge (3.26.0)
-    ruby2_keywords (0.0.5)
-    rubyzip (2.3.2)
+    rexml (3.2.6)
+    rouge (4.2.1)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
+    sass-embedded (1.72.0)
+      google-protobuf (>= 3.25, < 5.0)
+      rake (>= 13.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.9.2)
-      addressable (>= 2.3.5)
-      faraday (>= 0.17.3, < 3)
-    simpleidn (0.2.1)
-      unf (~> 0.1.4)
-    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
-    typhoeus (1.4.0)
-      ethon (>= 0.9.0)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.8.2)
-    unicode-display_width (1.8.0)
-    webrick (1.7.0)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    unicode-display_width (2.5.0)
+    webrick (1.8.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  github-pages
-  pathutil!
-  puma (~> 5.6)
-  rack (< 3)
+  base64 (~> 0.2.0)
+  bigdecimal (~> 3.1)
+  csv (~> 3.3)
+  jekyll (~> 4.0)
+  puma (~> 6.0)
   rack-jekyll (~> 0.5.0)!
-  rake
-  sass
-  webrick
+  rake (~> 13.0)
+  sass (~> 3.7)
 
 RUBY VERSION
-   ruby 3.0.5p211
+   ruby 3.3.0p0
 
 BUNDLED WITH
-   2.4.4
+   2.5.7
diff --git a/Rakefile b/Rakefile
index 4f67d256..15333d60 100644
--- a/Rakefile
+++ b/Rakefile
@@ -2,7 +2,7 @@ desc "compile and run the site"
 task :default do
   pids = [
     spawn("bundle exec jekyll serve --watch"),
-    spawn("bundle exec scss --quiet --watch stylesheets/scss:stylesheets"),
+    spawn("bundle exec scss --quiet --watch stylesheets/scss:_site/stylesheets"),
   ]
 
   trap "INT" do
diff --git a/bin/jekyll b/bin/jekyll
new file mode 100755
index 00000000..d2e20b59
--- /dev/null
+++ b/bin/jekyll
@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'jekyll' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+bundle_binstub = File.expand_path("bundle", __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?("This file was generated by Bundler")
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("jekyll", "jekyll")
diff --git a/stylesheets/scss/_post.scss b/stylesheets/scss/_post.scss
index 39d58d41..95bae212 100644
--- a/stylesheets/scss/_post.scss
+++ b/stylesheets/scss/_post.scss
@@ -1,3 +1,5 @@
+@import "load";
+
 article {
   background: #fff;
   border-radius: 3px;
diff --git a/stylesheets/scss/base.scss b/stylesheets/scss/base.scss
index 5caf0d6d..22b0f5d5 100644
--- a/stylesheets/scss/base.scss
+++ b/stylesheets/scss/base.scss
@@ -1,3 +1,5 @@
+@import "load";
+
 html, body, div, span, applet, object, iframe,
 h1, h2, h3, h4, h5, h6, p, blockquote, pre,
 a, abbr, acronym, address, big, cite, code,
diff --git a/stylesheets/scss/layout.scss b/stylesheets/scss/layout.scss
index 23cec608..14133d77 100644
--- a/stylesheets/scss/layout.scss
+++ b/stylesheets/scss/layout.scss
@@ -1,3 +1,5 @@
+@import "load";
+
 .l-relative {
   position: relative;
 }
diff --git a/stylesheets/scss/type.scss b/stylesheets/scss/type.scss
index 32a57fd9..828d3f34 100644
--- a/stylesheets/scss/type.scss
+++ b/stylesheets/scss/type.scss
@@ -1,3 +1,5 @@
+@import "load";
+
 .t-display {
   font: {
     family: Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;