diff --git a/assets/css/common/main.css b/assets/css/common/main.css
index 004de15..d1dd1c3 100644
--- a/assets/css/common/main.css
+++ b/assets/css/common/main.css
@@ -14,7 +14,7 @@
 }
 mark {
     margin: 0 -0.4em;
-    padding: 0.1em 0.4em;
+    padding: 0em 0.4em;
     border-radius: 0.8em 0.3em;
     background: transparent;
     background-image: linear-gradient(
@@ -27,6 +27,51 @@ mark {
     box-decoration-break: clone;
 }
 
+/* for home and section page */
+.first-entry {
+    position: relative;
+    min-height: 320px;
+    margin: var(--gap) 0 calc(var(--gap) * 2) 0;
+}
+
+.first-entry .entry-header {
+    overflow: hidden;
+    display: -webkit-box;
+    -webkit-box-orient: vertical;
+    margin: var(--gap) 0 calc(var(--gap) * 2);
+}
+
+.first-entry .entry-header h1 {
+    font-size: 34px;
+    line-height: 1.3;
+}
+@media screen and (max-width: 400px) {
+    .first-entry .entry-header h1 {
+        font-size: 30px;
+    }
+}
+
+.first-entry .entry-content {
+    margin: 14px 0;
+    font-size: 17px;
+    color: var(--primary);
+    line-height: 1.6em;
+    display: block;
+    overflow: initial;  /* fix <mark> edge get cut */
+}
+
+.first-entry .entry-content p {
+    margin-bottom: .8em;
+}
+.first-entry .entry-content li p {
+    margin-bottom: .5em;
+}
+
+.first-entry .entry-footer {
+    font-size: 14px;
+}
+
+
 /* for post page */
 .main.post {
     max-width: calc(var(--post-width) + var(--gap) * 2);
diff --git a/assets/css/common/post-entry.css b/assets/css/common/post-entry.css
index 81ba641..e433cc1 100644
--- a/assets/css/common/post-entry.css
+++ b/assets/css/common/post-entry.css
@@ -1,46 +1,3 @@
-.first-entry {
-    position: relative;
-    min-height: 320px;
-    margin: var(--gap) 0 calc(var(--gap) * 2) 0;
-}
-
-.first-entry .entry-header {
-    overflow: hidden;
-    display: -webkit-box;
-    -webkit-box-orient: vertical;
-    margin: var(--gap) 0 calc(var(--gap) * 2);
-}
-
-.first-entry .entry-header h1 {
-    font-size: 34px;
-    line-height: 1.3;
-}
-@media screen and (max-width: 400px) {
-    .first-entry .entry-header h1 {
-        font-size: 30px;
-    }
-}
-
-.first-entry .entry-content {
-    margin: 14px 0;
-    font-size: 17px;
-    color: var(--primary);
-    line-height: 1.6em;
-    display: block;
-    overflow: initial;  /* fix <mark> edge get cut */
-}
-
-.first-entry .entry-content p {
-    margin-bottom: .8em;
-}
-.first-entry .entry-content li p {
-    margin-bottom: .5em;
-}
-
-.first-entry .entry-footer {
-    font-size: 14px;
-}
-
 .home-info .entry-content {
     -webkit-line-clamp: unset;
 }
diff --git a/assets/css/extended/newsletter.scss b/assets/css/extended/newsletter.scss
index 9418592..899ed78 100644
--- a/assets/css/extended/newsletter.scss
+++ b/assets/css/extended/newsletter.scss
@@ -42,8 +42,12 @@ body.type-newsletter.kind-section {
     text-align: center;
   }
 
-  .page-header {
-    h1 {
+  .main {
+    .content {
+      max-width: calc(var(--post-width));
+      margin: 0 auto;
+    }
+    .entry-header h1 {
       text-align: center;
     }
   }
diff --git a/layouts/_default/archives.html b/layouts/_default/archives.html
index c2e7aed..285b592 100644
--- a/layouts/_default/archives.html
+++ b/layouts/_default/archives.html
@@ -1,7 +1,7 @@
 {{- define "main" }}
 
 <header class="page-header">
-  <h1>{{ .Title }} !</h1>
+  <h1>{{ .Title }}</h1>
   {{- if .Description }}
   <div class="post-description">
     {{ .Description }}
diff --git a/layouts/newsletter/section.html b/layouts/newsletter/section.html
index e64f285..47901f3 100644
--- a/layouts/newsletter/section.html
+++ b/layouts/newsletter/section.html
@@ -3,64 +3,70 @@
 {{- define "main" }}
 <div class="main-icon">＠</div>
 
-<header class="page-header">
-  <h1>{{ .Title }}</h1>
+<div class="content">
+  <div class="first-entry">
+    <header class="entry-header">
+      <h1>{{ .Title }}</h1>
+    </header>
+    <section class="entry-content">{{ .Description | markdownify }}</section>
+  </div>
+
+  {{- $pages := where .Pages "Params.hidden" "!=" true }}
+
+  {{/* related issue: https://github.com/gohugoio/hugo/issues/9003 */}}
+  {{ $paginator := "" }}
+  {{ if (.Param "paginate") }}
+    {{- $paginator = .Paginate $pages (.Param "paginate") }}
+  {{ else }}
+    {{- $paginator = .Paginate $pages }}
+  {{ end }}
+
+
+  {{- range $index, $page := $paginator.Pages }}
+  <article class="post-entry">
+    <header class="entry-header">
+      <h2>
+        {{- .Title }}
+        {{- if .Draft }}<sup><span class="entry-isdraft">&nbsp;&nbsp;[Draft]</span></sup>{{- end }}
+        {{- if .Weight }}<sup><span class="entry-isdraft">&nbsp;&nbsp;[Pinned]</span></sup>{{- end }}
+      </h2>
+    </header>
+    {{- if (ne (.Param "hideSummary") true) }}
+    <section class="entry-content">
+      {{ if .Description }}
+        <p>{{ .Description | plainify | htmlUnescape }}</p>
+      {{ else }}
+        <p>{{ .Summary | plainify | htmlUnescape }}{{ if .Truncated }}...{{ end }}</p>
+      {{ end }}
+    </section>
+    {{- end }}
+    {{- if not (.Param "hideMeta") }}
+    <footer class="entry-footer">
+      {{- partial "post_meta.html" . -}}
+    </footer>
+    {{- end }}
+    <a class="entry-link" aria-label="post link to {{ .Title | plainify }}" href="{{ .Permalink }}"></a>
+  </article>
+  {{- end }}
+
+  {{- if gt $paginator.TotalPages 1 }}
+  <footer class="page-footer">
+    <nav class="pagination">
+      {{- if $paginator.HasPrev }}
+      <a class="prev" href="{{ $paginator.Prev.URL | absURL }}">« {{ i18n "prev_page" }}</a>
+      {{- end }}
+      {{- if $paginator.HasNext }}
+      <a class="next" href="{{ $paginator.Next.URL | absURL }}">{{ i18n "next_page" }} »</a>
+      {{- end }}
+    </nav>
+  </footer>
+  {{- end }}
+
   {{- with .Param "archivesSlug" }}
   <div>
     <a href="{{ $.RelPermalink }}{{ . }}/">Archives</a>
   </div>
   {{- end }}
-</header>
-
-{{- $pages := where .Pages "Params.hidden" "!=" true }}
-
-{{/* related issue: https://github.com/gohugoio/hugo/issues/9003 */}}
-{{ $paginator := "" }}
-{{ if (.Param "paginate") }}
-  {{- $paginator = .Paginate $pages (.Param "paginate") }}
-{{ else }}
-  {{- $paginator = .Paginate $pages }}
-{{ end }}
-
-
-{{- range $index, $page := $paginator.Pages }}
-<article class="post-entry">
-  <header class="entry-header">
-    <h2>
-      {{- .Title }}
-      {{- if .Draft }}<sup><span class="entry-isdraft">&nbsp;&nbsp;[Draft]</span></sup>{{- end }}
-      {{- if .Weight }}<sup><span class="entry-isdraft">&nbsp;&nbsp;[Pinned]</span></sup>{{- end }}
-    </h2>
-  </header>
-  {{- if (ne (.Param "hideSummary") true) }}
-  <section class="entry-content">
-    {{ if .Description }}
-      <p>{{ .Description | plainify | htmlUnescape }}</p>
-    {{ else }}
-      <p>{{ .Summary | plainify | htmlUnescape }}{{ if .Truncated }}...{{ end }}</p>
-    {{ end }}
-  </section>
-  {{- end }}
-  {{- if not (.Param "hideMeta") }}
-  <footer class="entry-footer">
-    {{- partial "post_meta.html" . -}}
-  </footer>
-  {{- end }}
-  <a class="entry-link" aria-label="post link to {{ .Title | plainify }}" href="{{ .Permalink }}"></a>
-</article>
-{{- end }}
-
-{{- if gt $paginator.TotalPages 1 }}
-<footer class="page-footer">
-  <nav class="pagination">
-    {{- if $paginator.HasPrev }}
-    <a class="prev" href="{{ $paginator.Prev.URL | absURL }}">« {{ i18n "prev_page" }}</a>
-    {{- end }}
-    {{- if $paginator.HasNext }}
-    <a class="next" href="{{ $paginator.Next.URL | absURL }}">{{ i18n "next_page" }} »</a>
-    {{- end }}
-  </nav>
-</footer>
-{{- end }}
 
+</div>
 {{ end }}