.blog-wrap {
    width: calc(100% - 48px);
    max-width: 700px;
    margin: 64px auto 96px;
}
.blog-header { margin-bottom: 48px; }
.blog-header h1 {
    font-size: clamp(38px, 6vw, 60px);
    line-height: 1.08;
    font-weight: 500;
    letter-spacing: -0.03em;
    margin: 20px 0;
    text-wrap: balance;
}
.blog-back { font-size: 14px; }
.blog-meta { font-size: 14px; color: var(--color-text-tertiary); }
.blog-meta span { padding: 0 6px; }
.blog-intro { font-size: 20px; line-height: 1.5; color: var(--color-text-secondary); }
.blog-body { font-size: 19px; line-height: 1.7; overflow-wrap: break-word; }
.blog-body p, .blog-body ul, .blog-body ol { margin: 0 0 1.4em; }
.blog-body h2, .blog-body h3 { line-height: 1.2; margin: 1.8em 0 0.6em; font-weight: 500; }
.blog-body h2 { font-size: 32px; }
.blog-body h3 { font-size: 25px; }
.blog-body ul, .blog-body ol { padding-left: 1.4em; }
.blog-body li { margin-bottom: 0.5em; }
.blog-body a { font-size: inherit; text-decoration: underline; text-underline-offset: 3px; }
.blog-body blockquote { margin: 1.5em 0; padding-left: 24px; border-left: 2px solid var(--color-accent); }
.blog-body img { display: block; max-width: 100%; height: auto; margin: 32px auto; }
.blog-body pre { overflow-x: auto; }
.blog-body hr { border: 0; border-top: 1px solid var(--color-border); margin: 48px 0; }
.blog-entry { border-top: 1px solid var(--color-border-strong); padding: 28px 0; }
.blog-entry h2 { font-size: clamp(28px, 4vw, 36px); line-height: 1.15; margin: 12px 0; }
.blog-entry h2 a { font-size: inherit; color: var(--color-text); text-decoration: none; }
.blog-entry h2 a:hover { color: var(--color-accent); text-decoration: underline; }
.blog-entry > p:last-child { font-size: 18px; line-height: 1.55; color: var(--color-text-secondary); }
@media (max-width: 640px) {
    .blog-wrap { margin-top: 40px; margin-bottom: 64px; }
    .blog-header { margin-bottom: 36px; }
    .blog-body { font-size: 18px; }
}