웹 페이지 프론트엔드 UI 수정

- 모바일에서 봤을 때 UI/UX 이상하고 불편했던 부분 수정
 - 블로그 글 모바일 크기 시 리스트 아래로 글이 내려가는 부분 수정
 - 전체 배경 이어 붙이기가 아닌 고정으로 스크롤 시에도 어색하지 않게 수정

src/pages/blog/Blog.css

@@ -53,6 +53,29 @@
     align-items: start;
 }
 
+.blog-toggle-list {
+    display: none;
+    position: fixed;
+    top: 20px;
+    left: 20px;
+    z-index: 1000;
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    border: 1px solid var(--line);
+    background: rgba(10, 12, 20, 0.8);
+    color: var(--text);
+    font-size: 18px;
+    cursor: pointer;
+    backdrop-filter: blur(10px);
+    transition: transform 0.2s ease, opacity 0.2s ease;
+}
+
+.blog-toggle-list:hover {
+    transform: scale(1.1);
+    opacity: 0.9;
+}
+
 .blog-list {
     display: grid;
     gap: 12px;
@@ -184,7 +207,10 @@
 
 .blog-article__body h1,
 .blog-article__body h2,
-.blog-article__body h3 {
+.blog-article__body h3,
+.blog-article__body h4,
+.blog-article__body h5,
+.blog-article__body h6 {
     font-family: var(--font-display);
     margin: 22px 0 10px;
 }
@@ -201,6 +227,18 @@
     font-size: 20px;
 }
 
+.blog-article__body h4 {
+    font-size: 18px;
+}
+
+.blog-article__body h5 {
+    font-size: 16px;
+}
+
+.blog-article__body h6 {
+    font-size: 14px;
+}
+
 .md-paragraph {
     margin: 0 0 14px;
     color: var(--muted);
@@ -220,6 +258,11 @@
     font-size: 0.85em;
 }
 
+.blog-article__body del {
+    text-decoration: line-through;
+    opacity: 0.7;
+}
+
 .blog-article__body a {
     color: #f7d4c9;
 }
@@ -325,4 +368,104 @@
     .blog-grid {
         grid-template-columns: 1fr;
     }
+
+    .blog-toggle-list {
+        display: block;
+    }
+
+    .blog-list {
+        display: none;
+    }
+
+    .blog-list.is-visible {
+        display: block;
+        position: fixed;
+        top: 0;
+        left: 0;
+        width: 100%;
+        height: 100%;
+        background: rgba(6, 8, 12, 0.7);
+        z-index: 999;
+        padding: 80px 20px 20px;
+        overflow-y: auto;
+        backdrop-filter: blur(10px);
+        display: flex;
+        flex-direction: column;
+        gap: 16px;
+    }
+
+    .blog-list.is-visible .blog-category-filter {
+        margin-bottom: 8px;
+    }
+
+    .blog-list.is-visible .blog-pagination {
+        margin-top: 8px;
+    }
+
+    .blog-article {
+        width: 100%;
+    }
+}
+
+@media (max-width: 768px) {
+    .blog-header h1 {
+        font-size: clamp(24px, 6vw, 32px);
+    }
+
+    .blog-grid {
+        gap: 18px;
+    }
+
+    .blog-list {
+        gap: 10px;
+    }
+
+    .blog-list__item {
+        padding: 14px;
+    }
+
+    .blog-list__title {
+        font-size: 15px;
+    }
+
+    .blog-list__excerpt {
+        font-size: 12px;
+    }
+
+    .blog-article {
+        padding: 18px;
+    }
+
+    .blog-article__body h1 {
+        font-size: 24px;
+    }
+
+    .blog-article__body h2 {
+        font-size: 20px;
+    }
+
+    .blog-article__body h3 {
+        font-size: 18px;
+    }
+
+    .blog-article__body h4 {
+        font-size: 16px;
+    }
+
+    .blog-article__body h5 {
+        font-size: 14px;
+    }
+
+    .blog-article__body h6 {
+        font-size: 12px;
+    }
+
+    .blog-categories__grid {
+        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+        gap: 14px;
+    }
+
+    .blog-category-card {
+        padding: 16px;
+    }
 }