* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: #ffffff;
  color: #000000;
  font-family: -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.blog-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 24px;
}

.blog-header {
  margin-bottom: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid #e5e5e5;
}

.blog-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 16px 0;
  line-height: 1.1;
}

.blog-meta {
  font-size: 14px;
  opacity: 0.5;
}

.blog-content {
  font-size: 18px;
  line-height: 1.7;
}

.blog-content h1,
.blog-content h2,
.blog-content h3 {
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 48px;
  margin-bottom: 24px;
}

.blog-content h1 { font-size: clamp(28px, 4vw, 42px); }
.blog-content h2 { font-size: clamp(24px, 3.5vw, 36px); }
.blog-content h3 { font-size: clamp(20px, 3vw, 28px); }

.blog-content p {
  margin: 0 0 24px 0;
}

.blog-content a {
  color: #000000;
  text-decoration: underline;
}

.blog-content code {
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SF Mono", Monaco, monospace;
  font-size: 0.9em;
}

.code-wrapper {
  position: relative;
  margin: 24px 0;
}

.blog-content pre {
  background: #f5f5f5;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 0;
}

.blog-content pre code {
  background: none;
  padding: 0;
}

.copy-button {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #000000;
  color: #ffffff;
  border: none;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.copy-button svg {
  width: 14px;
  height: 14px;
}

.copy-button:hover {
  opacity: 0.8;
}

.copy-button.copied {
  background: #2e7d32;
}

.blog-content ul,
.blog-content ol {
  padding-left: 24px;
  margin: 0 0 24px 0;
}

.blog-content li {
  margin-bottom: 8px;
}

.blog-content blockquote {
  border-left: 3px solid #000000;
  padding-left: 20px;
  margin: 24px 0;
  opacity: 0.7;
  font-style: italic;
}

.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 32px 0;
  display: block;
}

.blog-content figure {
  margin: 32px 0;
}

.blog-content figure img {
  margin: 0 0 12px 0;
}

.video-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  overflow: hidden;
  background: #f5f5f5;
}

.blog-content figure video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.blog-content figcaption {
  font-size: 14px;
  opacity: 0.6;
  text-align: center;
  margin-top: 8px;
}

.blog-content hr {
  border: none;
  border-top: 1px solid #e5e5e5;
  margin: 48px 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 40px;
  font-size: 14px;
  color: #000000;
  text-decoration: none;
  opacity: 0.6;
}

.back-link:hover {
  opacity: 1;
  text-decoration: underline;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.blog-post {
  padding-bottom: 48px;
  border-bottom: 1px solid #e5e5e5;
}

.blog-post:last-child {
  border-bottom: none;
}

.blog-post-title {
  font-size: clamp(24px, 3.5vw, 32px);
  font-weight: 600;
  color: #000000;
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
}

.blog-post-title:hover {
  text-decoration: underline;
}

.blog-post-meta {
  font-size: 14px;
  opacity: 0.5;
  margin-bottom: 12px;
}

.blog-post-excerpt {
  font-size: 16px;
  opacity: 0.7;
  margin: 0;
}