docs(10_Wiki): Dev 폴더 누락분 반영 — Topic_Programming으로 통합

이전 재구성 작업에서 Dev/ 폴더가 누락되었던 것을 반영. - Dev/Topic_Programming(중첩 폴더, 78개)은 Dev 자체 최상위 폴더들 (Architecture/Conventions/Engineering_Intelligence 등)과 완전 중복이라 제거. - Dev 최상위 엔지니어링 지식 폴더(Architecture/Conventions/Engineering_Intelligence/ Failure_Library/Generalized_Principles/Language/Pattern_Catalog/Platform_Guides/ Subsystems, 77개)는 이미 Topic_Programming/Topic_Programming에 더 최신 버전이 존재해 중복 제거(고유 콘텐츠 1개는 예외 처리하여 이동 보존). - Dev의 W3Schools 언어 튜토리얼 폴더(Topic_C/CPP/CSS/CSharp/HOWTO/HTML/Java/ JavaScript/PHP/Python/SQL/W3CSS, 1201개)는 전부 Topic_Programming 하위로 이동. - 에이전트 운영 상태(.astra/docs)는 그대로 유지, 콘텐츠 폴더만 정리. - Topic_Programming 최종 문서 수: 2784 → 3985.
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+---
+id: css-google-fonts
+title: "CSS Google Fonts"
+category: "Frontend"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["Google Fonts", "CSS Google Fonts", "web fonts", "font effects", "fonts.googleapis.com"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.87
+created_at: 2026-06-23
+updated_at: 2026-06-23
+review_reason: ""
+merge_history: []
+tags: ["css", "web", "frontend", "w3schools", "fonts", "google-fonts"]
+raw_sources: ["https://www.w3schools.com/css/css_font_google.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CSS Google Fonts]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Google Fonts provides over 1000 free fonts you can use by adding a `<link>` to `fonts.googleapis.com` in the `<head>` and referencing the font in CSS; multiple fonts are pipe-separated and special `&effect=` parameters apply decorative effects. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **What it is** — Google Fonts offers over 1000 free fonts through Google's font service, as an alternative to standard HTML fonts. [S1]
+- **Two steps** — add a `<link>` in the `<head>` section, then reference the font in CSS via `font-family`. [S1]
+- **Multiple fonts** — separate multiple font names in the link URL with the pipe character (`|`). [S1]
+- **Font effects** — add `&effect=effectname` to the URL and apply the class `font-effect-effectname` to the element. [S1]
+- **Always use fallbacks** — include a fallback font (serif or sans-serif) to avoid unexpected behavior. [S1]
+- **Performance** — using multiple fonts may slow page load performance. [S1]
+
+## 🧩 추출된 패턴 (Extracted patterns)
+- **Link + reference** — one `<link>` per font set, then `font-family: "Name", generic;` in CSS. [S1]
+- **Pipe for many** — `?family=Audiowide|Sofia|Trirong` loads several fonts in one request. [S1]
+- **Effect class pairing** — URL `&effect=fire` pairs with HTML class `font-effect-fire`. [S1]
+
+## 📖 세부 내용 (Details)
+Google Fonts lets you use over 1000 free fonts through Google's font service as an alternative to standard HTML fonts. To use Google Fonts, add a link in the `<head>` section and reference it in CSS. [S1]
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Sofia">
+```
+Then apply it via `font-family: "Sofia", sans-serif;`. [S1]
+
+**Sofia font example:** [S1]
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Sofia">
+<style>
+  body { font-family: "Sofia", sans-serif; }
+</style>
+```
+
+**Trirong font example:** [S1]
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Trirong">
+<style>
+  body { font-family: "Trirong", serif; }
+</style>
+```
+
+**Audiowide font example:** [S1]
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Audiowide">
+<style>
+  body { font-family: "Audiowide", sans-serif; }
+</style>
+```
+
+**Multiple fonts** — separate font names with the pipe character (`|`): [S1]
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Audiowide|Sofia|Trirong">
+```
+
+**Font effects** — add `&effect=effectname` to the URL and apply the class `font-effect-effectname`: [S1]
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Sofia&effect=fire">
+<h1 class="font-effect-fire">Sofia on Fire</h1>
+```
+Multiple effects use pipe separation: `&effect=neon|outline|emboss|shadow-multiple`. [S1]
+
+**Notes** [S1]
+- Always include fallback fonts (serif or sans-serif) to avoid unexpected behavior.
+- Using multiple fonts may slow page load performance.
+
+## 🛠️ 적용 사례 (Applied in summary)
+The page's examples apply Sofia, Trirong, and Audiowide to the `body`, load all three in one pipe-separated link, and demonstrate the `fire` effect on an `h1`. No external project/commit applications found in the source.
+
+## 💻 코드 패턴 (Code patterns)
+Link + reference pattern (language: HTML/CSS):
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Sofia">
+<style>
+  body { font-family: "Sofia", sans-serif; }
+</style>
+```
+Effect pattern:
+```html
+<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Sofia&effect=fire">
+<h1 class="font-effect-fire">Sofia on Fire</h1>
+```
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+No contradictions found in the source.
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual (실제 적용 사례 발견 시 applied/validated로 승격 가능)
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.87
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[CSS Tutorial]]
+- **관련 개념:** [[CSS Font Family]], [[CSS Web Safe Fonts]], [[CSS Font Pairings]]
+- **참조 맥락:** Referenced when loading custom web fonts beyond the standard web safe set, or adding decorative font effects.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — CSS Google Fonts — https://www.w3schools.com/css/css_font_google.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-06-23: Initial draft synthesized from the W3Schools "CSS Google Fonts" page (Astra wiki-curation, P-Reinforce v3.1 format).