diff --git a/examples/echo/go.mod b/examples/echo/go.mod
index e1e44a8..8ac912b 100644
--- a/examples/echo/go.mod
+++ b/examples/echo/go.mod
@@ -4,7 +4,7 @@ go 1.22
 
 require (
 	github.com/labstack/echo v3.3.10+incompatible
-	github.com/nao1215/spectest v0.0.22
+	github.com/nao1215/spectest v0.1.0
 )
 
 require (
@@ -19,8 +19,7 @@ require (
 	github.com/mattn/go-runewidth v0.0.14 // indirect
 	github.com/nao1215/diff v0.0.1 // indirect
 	github.com/nao1215/gorky v0.2.1 // indirect
-	github.com/nao1215/markdown v0.0.8 // indirect
-	github.com/nao1215/mermaid v0.0.2 // indirect
+	github.com/nao1215/markdown v0.1.0 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/tenntenn/testtime v0.2.2 // indirect
diff --git a/examples/echo/go.sum b/examples/echo/go.sum
index da07cd8..630c78c 100644
--- a/examples/echo/go.sum
+++ b/examples/echo/go.sum
@@ -9,6 +9,7 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/karrick/godirwalk v1.17.0 h1:b4kY7nqDdioR/6qnbHQyDvmA17u5G1cZ6J+CZXwSWoI=
 github.com/karrick/godirwalk v1.17.0/go.mod h1:j4mkqPuvaLI8mp1DroR3P6ad7cyYd4c1qeJ3RV7ULlk=
 github.com/labstack/echo v3.3.10+incompatible h1:pGRcYk231ExFAyoAjAfD85kQzRJCRI8bbnE7CX5OEgg=
@@ -29,12 +30,10 @@ github.com/nao1215/diff v0.0.1 h1:/5+9OnxMynzkkVjBKRZqjNZ1/3gGQvHYn3DVu0URFU0=
 github.com/nao1215/diff v0.0.1/go.mod h1:9SuLrxqeYu7rpglhkQYqTUe+bvJ/z9qyrIQowpX2mzc=
 github.com/nao1215/gorky v0.2.1 h1:kxXYhCNBbtGru9CCSYx+QC0JZfZJ1csY3uLbb5n2WKA=
 github.com/nao1215/gorky v0.2.1/go.mod h1:fJNLiXzn3YkteARC8xghfHjkt+C5xtHOaRgmVnJEMOs=
-github.com/nao1215/markdown v0.0.8 h1:osllhhtWKg1HIURmdTbrCAzpaMWr0e4bUkRfkzATK3U=
-github.com/nao1215/markdown v0.0.8/go.mod h1:3TPTSWVgclP1/lf/6xUVMRGIzlj9ZFNZEtYIXVNxy/o=
-github.com/nao1215/mermaid v0.0.2 h1:wLJEqsMUhVFVMgz8Uw2qoXD3mK/KjHjZhO9Ho5N/igo=
-github.com/nao1215/mermaid v0.0.2/go.mod h1:CqJBmXtlQycPzTWLK+P4nKKFUCp5Aam4nucy401sckM=
-github.com/nao1215/spectest v0.0.22 h1:m1lsohb7UdsJSW03kUUFl2SonZn6dvRmG1xv7EHpHkQ=
-github.com/nao1215/spectest v0.0.22/go.mod h1:T9VOVO8AbOjygBgafSqY8IrWjkVV3XPeMz70r569WW8=
+github.com/nao1215/markdown v0.1.0 h1:EbbQWgIfOtjJ9iPPYOrnToJCTiTLLMfy9uvykd7A36Y=
+github.com/nao1215/markdown v0.1.0/go.mod h1:ObBhnNduWwPN+bu4dtv4JoLRt57ONla7l//03iHIVhY=
+github.com/nao1215/spectest v0.1.0 h1:FMkDtoE1c1WqXe/Nw1gPBSIdtbuL7q87pxTWYbAaPSI=
+github.com/nao1215/spectest v0.1.0/go.mod h1:bsAX8GxGJaAc1XvoJN+wTM90InF0luj1FIdLBLpXgXo=
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -44,6 +43,7 @@ github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJ
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/tenntenn/testtime v0.2.2 h1:y6K00BUNg7cRE9WpkBX/Bn+WgmV5/a3hsw7xGNyF2p0=
 github.com/tenntenn/testtime v0.2.2/go.mod h1:gXZpxnMoBEV+JZwooprQ65lIbR2Kzk5PpP/deHMn+Is=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
@@ -74,3 +74,4 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=