ActionController::RoutingError (No route matches [GET] "/images/logo.png"): 画像が表示されない

前提・実現したいこと

Railsでカリキュラムに沿ってインスタのようなものを作っています。
1回1通り作り終えて、もう1度最初から作成しています。
トップページにメインロゴ（画像）を表示させるために、1回目と同じように書きましたが、
なぜかエラーが発生してしまいました。

発生している問題・エラーメッセージ

ログを確認して、ActionController::RoutingError (No route matches [GET] "/images/logo.png"):
このエラーが発生していることは認識できましたが、解決法が見つかりません。

Started GET "/images/logo.png" for ::1 at 2019-09-15 02:07:36 +0900

ActionController::RoutingError (No route matches [GET] "/images/logo.png"):

actionpack (5.2.3) lib/action_dispatch/middleware/debug_exceptions.rb:65:in `call'
web-console (3.7.0) lib/web_console/middleware.rb:135:in `call_app'
web-console (3.7.0) lib/web_console/middleware.rb:30:in `block in call'
web-console (3.7.0) lib/web_console/middleware.rb:20:in `catch'
web-console (3.7.0) lib/web_console/middleware.rb:20:in `call'
actionpack (5.2.3) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
railties (5.2.3) lib/rails/rack/logger.rb:38:in `call_app'
railties (5.2.3) lib/rails/rack/logger.rb:26:in `block in call'
activesupport (5.2.3) lib/active_support/tagged_logging.rb:71:in `block in tagged'
activesupport (5.2.3) lib/active_support/tagged_logging.rb:28:in `tagged'
activesupport (5.2.3) lib/active_support/tagged_logging.rb:71:in `tagged'
railties (5.2.3) lib/rails/rack/logger.rb:26:in `call'
sprockets-rails (3.2.1) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (5.2.3) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (5.2.3) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.0.7) lib/rack/method_override.rb:22:in `call'
rack (2.0.7) lib/rack/runtime.rb:22:in `call'
activesupport (5.2.3) lib/active_support/cache/strategy/local_cache_middleware.rb:29:in `call'
actionpack (5.2.3) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (5.2.3) lib/action_dispatch/middleware/static.rb:127:in `call'
rack (2.0.7) lib/rack/sendfile.rb:111:in `call'
railties (5.2.3) lib/rails/engine.rb:524:in `call'
puma (3.12.1) lib/puma/configuration.rb:227:in `call'
puma (3.12.1) lib/puma/server.rb:660:in `handle_request'
puma (3.12.1) lib/puma/server.rb:474:in `process_client'
puma (3.12.1) lib/puma/server.rb:334:in `block in run'
puma (3.12.1) lib/puma/thread_pool.rb:135:in `block in spawn_thread'

該当のソースコード

scss
1.navbar {
2  background-color: #fff;
3  border-bottom: 1px solid rgba(0, 0, 0, .0975);
4  height: 77px;
5  &__brand {
6    height: 35px;
7    width: 176px;
8    background-size: 114px;
9  }
10  &__mainLogo {
11    background-repeat: no-repeat;
12    background-image: image-url("logo.png");
13  }
14  &-nav {
15    & > li {
16      margin-left: 20px;
17      &:first-child {
18        margin-left: 0;
19      }
20      .commonNavIcon {
21        height: 24px;
22        width: 24px;
23        background-size: 22px !important;
24        background-repeat: no-repeat;
25      }
26      .profile-icon {
27        background-image: image-url("parts3.png");
28      }
29    }
30  }
31}
32

js
1// This is a manifest file that'll be compiled into application.js, which will include all the files
2// listed below.
3//
4// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, or any plugin's
5// vendor/assets/javascripts directory can be referenced here using a relative path.
6//
7// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
8// compiled file. JavaScript code in this file should be added after the last require_* statement.
9//
10// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
11// about supported directives.
12//
13//= require rails-ujs
14//= require activestorage
15//= require turbolinks
16//= require jquery3
17//= require popper
18//= require bootstrap-sprockets
19//= require_tree .