localhostにアクセスできません。

###前提・実現したいこと
コントローラーのひな型を実装したサーバを起動させてアクセスしたいです。
###発生している問題・エラーメッセージ
=> Booting Puma
=> Rails 5.2.3 application starting in development
=> Run rails server -h for more startup options
Puma starting in single mode...

Version 3.12.1 (ruby 2.5.1-p57), codename: Llamas in Pajamas
Min threads: 5, max threads: 5
Environment: development
Listening on tcp://localhost:3000

Use Ctrl-C to stop
Started GET "/" for ::1 at 2019-11-03 11:30:13 +0900
(0.7ms) SELECT "schema_migrations"."version" FROM "schema_migrations" ORDER BY "schema_migrations"."version" ASC
↳ /home/kaishi/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/activerecord-5.2.3/lib/active_record/log_subscriber.rb:98
Processing by TasksController#index as HTML
Rendering tasks/index.html.slim within layouts/application
Rendered tasks/index.html.slim within layouts/application (9.8ms)
Completed 500 Internal Server Error in 220ms (ActiveRecord: 0.0ms)

ActionView::Template::Error (Permission denied @ rb_sysopen - /home/kaishi/taskleaf/app/assets/stylesheets/application.scss):
5: | Taskleaf
6: = csrf_meta_tags
7: = csp_meta_tag
8: = stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload'
9: = javascript_include_tag 'application', 'data-turbolinks-track': 'reload'
10: body
11: .app-title.navbar.navbar-expand-md.navbar-light.bg-light

app/views/layouts/application.html.slim:8:in `_app_views_layouts_application_html_slim__2271538083870548923_70368196198560'

###http://localhost:3000へアクセスしたときのエラー
Errno::EACCES in Tasks#index
Showing /home/kaishi/taskleaf/app/views/layouts/application.html.slim where line #8 raised:

Permission denied @ rb_sysopen - /home/kaishi/taskleaf/app/assets/stylesheets/application.scss
Extracted source (around line #8):
6
7
8
9
10
11

= csrf_meta_tags
= csp_meta_tag
= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track': 'reload'
= javascript_include_tag 'application', 'data-turbolinks-track': 'reload'

body
.app-title.navbar.navbar-expand-md.navbar-light.bg-light

Rails.root: /home/kaishi/taskleaf

Application Trace | Framework Trace | Full Trace
app/views/layouts/application.html.slim:8:in `_app_views_layouts_application_html_slim__2271538083870548923_70368196198560'
###該当のソースコード
bin/rails s

###試したこと

scssを開くための権限がないとのことなので調べてみたのですが、自分の知識不足のため、何をどうすればいいのかさっぱりわかりません。

###補足情報（FW/ツールのバージョンなど）
OS:Windows10
ターミナル:wsl