diff --git a/package.json b/package.json
index 6cb0b44..9d676df 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@fontsource/ibm-plex-sans-jp": "^5.0.7",
     "@neoconfetti/svelte": "^1.0.0",
     "@sveltejs/adapter-static": "^2.0.3",
-    "@sveltejs/kit": "^1.20.4",
+    "@sveltejs/kit": "^2.0.0",
     "@types/cookie": "^0.5.1",
     "@typescript-eslint/eslint-plugin": "^5.45.0",
     "@typescript-eslint/parser": "^5.45.0",
diff --git a/yarn.lock b/yarn.lock
index 3b52693..01e9ef2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -312,10 +312,10 @@ __metadata:
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-"@jridgewell/sourcemap-codec@npm:^1.4.10, @jridgewell/sourcemap-codec@npm:^1.4.13, @jridgewell/sourcemap-codec@npm:^1.4.14, @jridgewell/sourcemap-codec@npm:^1.4.15":
-  version: 1.4.15
-  resolution: "@jridgewell/sourcemap-codec@npm:1.4.15"
-  checksum: b881c7e503db3fc7f3c1f35a1dd2655a188cc51a3612d76efc8a6eb74728bef5606e6758ee77423e564092b4a518aba569bbb21c9bac5ab7a35b0c6ae7e344c8
+"@jridgewell/sourcemap-codec@npm:^1.4.10, @jridgewell/sourcemap-codec@npm:^1.4.13, @jridgewell/sourcemap-codec@npm:^1.4.14, @jridgewell/sourcemap-codec@npm:^1.4.15, @jridgewell/sourcemap-codec@npm:^1.5.0":
+  version: 1.5.0
+  resolution: "@jridgewell/sourcemap-codec@npm:1.5.0"
+  checksum: 05df4f2538b3b0f998ea4c1cd34574d0feba216fa5d4ccaef0187d12abf82eafe6021cec8b49f9bb4d90f2ba4582ccc581e72986a5fcf4176ae0cfeb04cf52ec
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@@ -379,10 +379,10 @@ __metadata:
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-"@polka/url@npm:^1.0.0-next.20":
-  version: 1.0.0-next.21
-  resolution: "@polka/url@npm:1.0.0-next.21"
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+"@polka/url@npm:^1.0.0-next.24":
+  version: 1.0.0-next.28
+  resolution: "@polka/url@npm:1.0.0-next.28"
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@@ -402,59 +402,29 @@ __metadata:
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-"@sveltejs/kit@npm:^1.20.4":
-  version: 1.22.4
-  resolution: "@sveltejs/kit@npm:1.22.4"
+"@sveltejs/kit@npm:^2.0.0":
+  version: 2.8.4
+  resolution: "@sveltejs/kit@npm:2.8.4"
   dependencies:
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-    "@types/cookie": ^0.5.1
-    cookie: ^0.5.0
-    devalue: ^4.3.1
+    "@types/cookie": ^0.6.0
+    cookie: ^0.6.0
+    devalue: ^5.1.0
     esm-env: ^1.0.0
+    import-meta-resolve: ^4.1.0
     kleur: ^4.1.5
-    magic-string: ^0.30.0
-    mime: ^3.0.0
+    magic-string: ^0.30.5
+    mrmime: ^2.0.0
     sade: ^1.8.1
     set-cookie-parser: ^2.6.0
-    sirv: ^2.0.2
-    undici: ~5.22.0
+    sirv: ^3.0.0
+    tiny-glob: ^0.2.9
   peerDependencies:
-    svelte: ^3.54.0 || ^4.0.0-next.0
-    vite: ^4.0.0
+    "@sveltejs/vite-plugin-svelte": ^3.0.0 || ^4.0.0-next.1
+    svelte: ^4.0.0 || ^5.0.0-next.0
+    vite: ^5.0.3
   bin:
     svelte-kit: svelte-kit.js
-  checksum: d1393ae4bb3e892e8d4b4baf3284164b66aedac53570705366923b09498457140d4c415d1ad5e9db374bdb41937a7cbee0fd927eaaf871734673a92ff9b213af
-  languageName: node
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-  resolution: "@sveltejs/vite-plugin-svelte-inspector@npm:1.0.3"
-  dependencies:
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-  peerDependencies:
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-    svelte: ^3.54.0 || ^4.0.0
-    vite: ^4.0.0
-  checksum: 868574e32974196a49670137c171e788f95610548d8ff090267d4a6e92fd2d5e3ab862e0c367e69268d57ab6edd972e3ba5139926d7e2e7f995f23336d8d53be
-  languageName: node
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-"@sveltejs/vite-plugin-svelte@npm:^2.4.1":
-  version: 2.4.3
-  resolution: "@sveltejs/vite-plugin-svelte@npm:2.4.3"
-  dependencies:
-    "@sveltejs/vite-plugin-svelte-inspector": ^1.0.3
-    debug: ^4.3.4
-    deepmerge: ^4.3.1
-    kleur: ^4.1.5
-    magic-string: ^0.30.1
-    svelte-hmr: ^0.15.2
-    vitefu: ^0.2.4
-  peerDependencies:
-    svelte: ^3.54.0 || ^4.0.0
-    vite: ^4.0.0
-  checksum: 8f8edab4358df0bb65c0f7e469c9a08cd44257fc85651e976331764d68b43f96009ec98c4707e5ffa23297488b151943dbac7f336fc21fbac1a6dbcb8f4aa350
+  checksum: ba02a947b83babc1802fbd3d8e94d2bb8552689acf62e3f6bfb17bad017cb167a34e3b001541f9ee2f2e749b385107eb13b29affe399c542791d818c6a652b95
   languageName: node
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@@ -488,6 +458,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/cookie@npm:^0.6.0":
+  version: 0.6.0
+  resolution: "@types/cookie@npm:0.6.0"
+  checksum: 5edce7995775b0b196b142883e4d4f71fd93c294eaec973670f1fa2540b70ea7390408ed513ddefef5fcb12a578100c76596e8f2a714b0c2ae9f70ee773f4510
+  languageName: node
+  linkType: hard
+
 "@types/estree@npm:*, @types/estree@npm:^1.0.0":
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   resolution: "@types/estree@npm:1.0.1"
@@ -969,15 +946,6 @@ __metadata:
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-  resolution: "busboy@npm:1.6.0"
-  dependencies:
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-  checksum: 32801e2c0164e12106bf236291a00795c3c4e4b709ae02132883fe8478ba2ae23743b11c5735a0aae8afe65ac4b6ca4568b91f0d9fed1fdbc32ede824a73746e
-  languageName: node
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-
 "cac@npm:^6.7.14":
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   resolution: "cac@npm:6.7.14"
@@ -1150,10 +1118,10 @@ __metadata:
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-"cookie@npm:^0.5.0":
-  version: 0.5.0
-  resolution: "cookie@npm:0.5.0"
-  checksum: 1f4bd2ca5765f8c9689a7e8954183f5332139eb72b6ff783d8947032ec1fdf43109852c178e21a953a30c0dd42257828185be01b49d1eb1a67fd054ca588a180
+"cookie@npm:^0.6.0":
+  version: 0.6.0
+  resolution: "cookie@npm:0.6.0"
+  checksum: f56a7d32a07db5458e79c726b77e3c2eff655c36792f2b6c58d351fb5f61531e5b1ab7f46987150136e366c65213cbe31729e02a3eaed630c3bf7334635fb410
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-"deepmerge@npm:^4.3.1":
-  version: 4.3.1
-  resolution: "deepmerge@npm:4.3.1"
-  checksum: 2024c6a980a1b7128084170c4cf56b0fd58a63f2da1660dcfe977415f27b17dbe5888668b59d0b063753f3220719d5e400b7f113609489c90160bb9a5518d052
-  languageName: node
-  linkType: hard
-
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   resolution: "delegates@npm:1.0.0"
@@ -1257,10 +1218,10 @@ __metadata:
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-"devalue@npm:^4.3.1":
-  version: 4.3.2
-  resolution: "devalue@npm:4.3.2"
-  checksum: 034530e3910a096e528ca6481cd80ab2a21f4a5b813fb896d421eadf52dc969dfbbd5677aa06d28a6448a0f2f7e7d91d9ed88cd9aaa497f4b34e427d80c2a8a5
+"devalue@npm:^5.1.0":
+  version: 5.1.1
+  resolution: "devalue@npm:5.1.1"
+  checksum: 3b6a655e97b59b528d68f89d644b4bd7be9cd502e49ed9ae990caac56b93dc015790e2d099f264b1533d7235e14ec9513e92a7bc1b5031d355064bb37dcc99ca
   languageName: node
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@@ -1891,6 +1852,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"globalyzer@npm:0.1.0":
+  version: 0.1.0
+  resolution: "globalyzer@npm:0.1.0"
+  checksum: 419a0f95ba542534fac0842964d31b3dc2936a479b2b1a8a62bad7e8b61054faa9b0a06ad9f2e12593396b9b2621cac93358d9b3071d33723fb1778608d358a1
+  languageName: node
+  linkType: hard
+
 "globby@npm:^11.1.0":
   version: 11.1.0
   resolution: "globby@npm:11.1.0"
@@ -1905,6 +1873,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"globrex@npm:^0.1.2":
+  version: 0.1.2
+  resolution: "globrex@npm:0.1.2"
+  checksum: adca162494a176ce9ecf4dd232f7b802956bb1966b37f60c15e49d2e7d961b66c60826366dc2649093cad5a0d69970cfa8875bd1695b5a1a2f33dcd2aa88da3c
+  languageName: node
+  linkType: hard
+
 "graceful-fs@npm:^4.1.3, graceful-fs@npm:^4.2.6":
   version: 4.2.11
   resolution: "graceful-fs@npm:4.2.11"
@@ -2005,6 +1980,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"import-meta-resolve@npm:^4.1.0":
+  version: 4.1.0
+  resolution: "import-meta-resolve@npm:4.1.0"
+  checksum: 6497af27bf3ee384ad4efd4e0ec3facf9a114863f35a7b35f248659f32faa5e1ae07baa74d603069f35734ae3718a78b3f66926f98dc9a62e261e7df37854a62
+  languageName: node
+  linkType: hard
+
 "imurmurhash@npm:^0.1.4":
   version: 0.1.4
   resolution: "imurmurhash@npm:0.1.4"
@@ -2291,12 +2273,12 @@ __metadata:
   languageName: node
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-"magic-string@npm:^0.30.0, magic-string@npm:^0.30.1":
-  version: 0.30.2
-  resolution: "magic-string@npm:0.30.2"
+"magic-string@npm:^0.30.0, magic-string@npm:^0.30.1, magic-string@npm:^0.30.5":
+  version: 0.30.13
+  resolution: "magic-string@npm:0.30.13"
   dependencies:
-    "@jridgewell/sourcemap-codec": ^1.4.15
-  checksum: c0bbb9b27b2772e6bfaa5d0f6452d47c462d588ae7c43fbaac062b07836d3ec0140fcdd42a57aa53ed990abafcdd0fc17907813921b5df04eccf43e67674bc57
+    "@jridgewell/sourcemap-codec": ^1.5.0
+  checksum: a71ac0374478dacb2083ec912a793c4c3d45c32a44e334595f0ce58ed292bf72daea63a8be5c46334965b95fa8b1a967306cdf70a9d7bee26f4e0ba6cb77afe8
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@@ -2347,15 +2329,6 @@ __metadata:
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-"mime@npm:^3.0.0":
-  version: 3.0.0
-  resolution: "mime@npm:3.0.0"
-  bin:
-    mime: cli.js
-  checksum: f43f9b7bfa64534e6b05bd6062961681aeb406a5b53673b53b683f27fcc4e739989941836a355eef831f4478923651ecc739f4a5f6e20a76487b432bfd4db928
-  languageName: node
-  linkType: hard
-
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   version: 1.0.1
   resolution: "min-indent@npm:1.0.1"
@@ -2511,10 +2484,10 @@ __metadata:
   languageName: node
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-"mrmime@npm:^1.0.0":
-  version: 1.0.1
-  resolution: "mrmime@npm:1.0.1"
-  checksum: cc979da44bbbffebaa8eaf7a45117e851f2d4cb46a3ada6ceb78130466a04c15a0de9a9ce1c8b8ba6f6e1b8618866b1352992bf1757d241c0ddca558b9f28a77
+"mrmime@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "mrmime@npm:2.0.0"
+  checksum: f6fe11ec667c3d96f1ce5fd41184ed491d5f0a5f4045e82446a471ccda5f84c7f7610dff61d378b73d964f73a320bd7f89788f9e6b9403e32cc4be28ba99f569
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@@ -2539,7 +2512,7 @@ __metadata:
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     "@neoconfetti/svelte": ^1.0.0
     "@sveltejs/adapter-static": ^2.0.3
-    "@sveltejs/kit": ^1.20.4
+    "@sveltejs/kit": ^2.0.0
     "@types/cookie": ^0.5.1
     "@typescript-eslint/eslint-plugin": ^5.45.0
     "@typescript-eslint/parser": ^5.45.0
@@ -3263,14 +3236,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sirv@npm:^2.0.2":
-  version: 2.0.3
-  resolution: "sirv@npm:2.0.3"
+"sirv@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "sirv@npm:3.0.0"
   dependencies:
-    "@polka/url": ^1.0.0-next.20
-    mrmime: ^1.0.0
+    "@polka/url": ^1.0.0-next.24
+    mrmime: ^2.0.0
     totalist: ^3.0.0
-  checksum: e2dfd4c97735a6ad6d842d0eec2cd9e3919ff0e46f0d228248c5753ad4b70b832711e77e1259c031c439cdb08303cc54d923685c92b0e890145cc733af7c5568
+  checksum: 04b8036cab13971737dbb12b184a88f3d9aba955eed5600d27250f3dfd0a0ad1ff7a343537511b54d4fda36f629e2ffe25813f900d84cf4e3c08a7292f458af1
   languageName: node
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@@ -3353,13 +3326,6 @@ __metadata:
   languageName: node
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-"streamsearch@npm:^1.1.0":
-  version: 1.1.0
-  resolution: "streamsearch@npm:1.1.0"
-  checksum: 1cce16cea8405d7a233d32ca5e00a00169cc0e19fbc02aa839959985f267335d435c07f96e5e0edd0eadc6d39c98d5435fb5bbbdefc62c41834eadc5622ad942
-  languageName: node
-  linkType: hard
-
 "string-width-cjs@npm:string-width@^4.2.0, string-width@npm:^1.0.2 || 2 || 3 || 4, string-width@npm:^4.1.0, string-width@npm:^4.2.3":
   version: 4.2.3
   resolution: "string-width@npm:4.2.3"
@@ -3506,15 +3472,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"svelte-hmr@npm:^0.15.2":
-  version: 0.15.3
-  resolution: "svelte-hmr@npm:0.15.3"
-  peerDependencies:
-    svelte: ^3.19.0 || ^4.0.0
-  checksum: 09518aad14288b15e723e69376d2044330f52f49c2730a5e1357b4bee5928c04c5e4022f713856f51ef08ccf3fb5639e870ac89a44c0cb573cedf395017e2402
-  languageName: node
-  linkType: hard
-
 "svelte-preprocess@npm:^5.0.4":
   version: 5.0.4
   resolution: "svelte-preprocess@npm:5.0.4"
@@ -3654,6 +3611,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tiny-glob@npm:^0.2.9":
+  version: 0.2.9
+  resolution: "tiny-glob@npm:0.2.9"
+  dependencies:
+    globalyzer: 0.1.0
+    globrex: ^0.1.2
+  checksum: aea5801eb6663ddf77ebb74900b8f8bd9dfcfc9b6a1cc8018cb7421590c00bf446109ff45e4b64a98e6c95ddb1255a337a5d488fb6311930e2a95334151ec9c6
+  languageName: node
+  linkType: hard
+
 "tinybench@npm:^2.5.0":
   version: 2.5.0
   resolution: "tinybench@npm:2.5.0"
@@ -3773,15 +3740,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"undici@npm:~5.22.0":
-  version: 5.22.1
-  resolution: "undici@npm:5.22.1"
-  dependencies:
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-  checksum: 048a3365f622be44fb319316cedfaa241c59cf7f3368ae7667a12323447e1822e8cc3d00f6956c852d1478a6fde1cbbe753f49e05f2fdaed229693e716ebaf35
-  languageName: node
-  linkType: hard
-
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   version: 3.0.0
   resolution: "unique-filename@npm:3.0.0"
@@ -3886,18 +3844,6 @@ __metadata:
   languageName: node
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-"vitefu@npm:^0.2.4":
-  version: 0.2.4
-  resolution: "vitefu@npm:0.2.4"
-  peerDependencies:
-    vite: ^3.0.0 || ^4.0.0
-  peerDependenciesMeta:
-    vite:
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-  checksum: 4add282ffec4f27388aa75df2cd7db9a674d51bf9471907441ca23ff5ac70fc9540344dbf3a53af0aa53685f1d7b8c756da5f9749afe91aac66c82a25ade7821
-  languageName: node
-  linkType: hard
-
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   resolution: "vitest@npm:0.33.0"