diff --git a/bun.lock b/bun.lock
index 0e4a972..bd5133c 100644
--- a/bun.lock
+++ b/bun.lock
@@ -5,7 +5,7 @@
     "": {
       "name": "xool",
       "devDependencies": {
-        "@anyblades/blades": "^3.0.0",
+        "@anyblades/blades": "3.1.0-alpha.1",
         "@biomejs/biome": "^2.5.15",
         "@sveltejs/adapter-bun": "^1.0.0",
         "@sveltejs/kit": "^3.1.0",
@@ -21,7 +21,7 @@
     },
   },
   "packages": {
-    "@anyblades/blades": ["@anyblades/blades@3.0.0", "", {}, "sha512-Fb2pUkQeJhA04gDAZ44V+ZMwR5n4jUk2M/+ZTK3oONgZBU6ncnKXMfCVkRuDUwVXxjXn1ye8anEDUqkkQa3efw=="],
+    "@anyblades/blades": ["@anyblades/blades@3.1.0-alpha.1", "", {}, "sha512-dd38YDnYEzck2Ez6BvRJtuGGIhPKkhCsh/9Eh+UF6EZKa0X25YZgNjS9CeiT3AB+3ik6niL9MC5vNaUU1lcwaw=="],
 
     "@biomejs/biome": ["@biomejs/biome@2.5.15", "", { "optionalDependencies": { "@biomejs/cli-darwin-arm64": "2.5.15", "@biomejs/cli-darwin-x64": "2.5.15", "@biomejs/cli-linux-arm64": "2.5.15", "@biomejs/cli-linux-arm64-musl": "2.5.15", "@biomejs/cli-linux-x64": "2.5.15", "@biomejs/cli-linux-x64-musl": "2.5.15", "@biomejs/cli-win32-arm64": "2.5.15", "@biomejs/cli-win32-x64": "2.5.15" }, "bin": { "biome": "bin/biome" } }, "sha512-WZTW4slm/pdkh92K6t/3aEN++44JD1PQ7squ7RCMLI1flHGl43DVOIGXvCjHiZgBMO1V4uYxoFNtqrIA4qGuIQ=="],
 
diff --git a/package.json b/package.json
index 1771dc7..0414418 100755
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
 	"name": "xool",
 	"version": "0.1.0",
 	"devDependencies": {
-		"@anyblades/blades": "^3.0.0",
+		"@anyblades/blades": "3.1.0-alpha.1",
 		"@biomejs/biome": "^2.5.15",
 		"@sveltejs/adapter-bun": "^1.0.0",
 		"@sveltejs/kit": "^3.1.0",
diff --git a/renovate.json b/renovate.json
index a680788..335083e 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,4 +1,13 @@
 {
 	"$schema": "https://docs.renovatebot.com/renovate-schema.json",
-	"extends": ["github>5ym/repo-config"]
+	"extends": ["github>5ym/repo-config"],
+	"packageRules": [
+		{
+			"description": "@anyblades/blades はプレリリースに固定中で、規則がどの部品にあるかがまだ変わり得る。部品の間で規則が移ると build は通ったまま見た目だけ変わるので、自動では入れない。ほかの更新の自動マージを止めないよう、まとめの PR から外して別の PR にする。安定版に戻したらこの規則を消す",
+			"matchPackageNames": ["@anyblades/blades"],
+			"groupName": "@anyblades/blades",
+			"groupSlug": "blades",
+			"automerge": false
+		}
+	]
 }
diff --git a/src/app.css b/src/app.css
index 66e632c..8d47bdf 100644
--- a/src/app.css
+++ b/src/app.css
@@ -1,4 +1,30 @@
-@import "@anyblades/blades/pico" layer(pico);
+/*
+ * Pico は使う部品だけ読み込む(全部入りだと CSS の大半が使わない部品になる)。
+ * 順番は variables → layout → content → forms → components → utilities を崩さない。
+ * 外したもの(画面に該当する要素もクラスも無い):
+ * layout の container / grid / overflow-auto、
+ * forms の input-color / input-datetime / input-file / input-range / input-search、
+ * components の accordion / card / dropdown / group / loading / modal / progress / tooltip。
+ * <details> <dialog> <article> や aria-busy・data-tooltip などを使い始めるときは、ここに足す。
+ * content の misc は画面に無くても残す。hidden 属性を display: none で隠すのはこれで、
+ * 外すと display を持つこちらの規則(.note など)に付けた hidden が効かなくなり、しかも気づきにくい
+ */
+@import "@anyblades/blades/pico/variables" layer(pico);
+@import "@anyblades/blades/pico/layout/document" layer(pico);
+@import "@anyblades/blades/pico/layout/landmarks" layer(pico);
+@import "@anyblades/blades/pico/layout/section" layer(pico);
+@import "@anyblades/blades/pico/content/typography" layer(pico);
+@import "@anyblades/blades/pico/content/link" layer(pico);
+@import "@anyblades/blades/pico/content/button" layer(pico);
+@import "@anyblades/blades/pico/content/table" layer(pico);
+@import "@anyblades/blades/pico/content/embedded-content" layer(pico);
+@import "@anyblades/blades/pico/content/code" layer(pico);
+@import "@anyblades/blades/pico/content/figure" layer(pico);
+@import "@anyblades/blades/pico/content/misc" layer(pico);
+@import "@anyblades/blades/pico/forms/basics" layer(pico);
+@import "@anyblades/blades/pico/forms/checkbox-radio-switch" layer(pico);
+@import "@anyblades/blades/pico/components/nav" layer(pico);
+@import "@anyblades/blades/pico/utilities" layer(pico);
 
 :root {
 	/* Web フォントは束ねない(1 家族 1.3MB を全員に落とさせる価値が無い)。Windows なら BIZ UDPGothic、mac なら ヒラギノ、それ以外は OS の日本語フォント */