*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f7f4;--bg-card:#fff;--bg-hover:#f2f1ee;--text:#1c1b18;--text-muted:#5c5a54;--text-subtle:#9e9b93;--border:#e4e2dc;--border-mid:#ccc9c0;--accent:#b5451b;--accent-light:#f5ebe6;--accent-hover:#973916;--tag-bg:#edeae4;--radius:6px;--font-serif:"Lora", Georgia, "Times New Roman", serif;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--max-w:760px;--max-w-wide:1040px}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.7}h1{font-family:var(--font-serif);letter-spacing:-.02em;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:500;line-height:1.2}h2{font-family:var(--font-serif);letter-spacing:-.01em;font-weight:500;line-height:1.3}p{line-height:1.75}a{color:var(--accent);text-decoration:none;transition:color .15s}a:hover{color:var(--accent-hover)}code{background:var(--tag-bg);color:var(--text-muted);border-radius:3px;padding:.15em .4em;font-family:SF Mono,Fira Code,monospace;font-size:.85em}.container{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}.container-wide{max-width:var(--max-w-wide);margin:0 auto;padding:0 1.5rem}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.site-header{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;background:#f8f7f4f0;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:58px;display:flex}.site-logo{align-items:baseline;gap:.4rem;text-decoration:none;display:flex}.logo-mark{font-family:var(--font-serif);color:var(--text);letter-spacing:-.01em;font-size:1.1rem;font-weight:500}.logo-by{color:var(--text-subtle);font-size:.78rem;font-weight:400}.header-nav{align-items:center;gap:1.75rem;display:flex}.header-nav a{color:var(--text-muted);font-size:.875rem;font-weight:400;text-decoration:none;transition:color .15s}.header-nav a:hover{color:var(--text)}.hero{border-bottom:1px solid var(--border);padding:4rem 0 3rem}.hero-title{color:var(--text);margin-bottom:1rem}.hero-title em{color:var(--accent);font-style:italic}.hero-description{color:var(--text-muted);max-width:480px;font-size:1.05rem;font-weight:300;line-height:1.7}.section-header{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.25rem;padding-top:3rem;display:flex}.section-heading{font-family:var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--text-subtle);font-size:.75rem;font-weight:600}.section-link{color:var(--accent);font-size:.82rem;font-weight:500;text-decoration:none;transition:color .15s}.section-link:hover{color:var(--accent-hover)}.rss-link{color:var(--text-subtle);align-items:center;gap:.3rem;font-size:.75rem;font-weight:500;text-decoration:none;transition:color .15s;display:flex}.rss-link:hover{color:var(--accent)}.preview-grid{background:var(--border);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;margin-bottom:1rem;display:grid;overflow:hidden}.preview-card{background:var(--bg-card);flex-direction:column;gap:.4rem;padding:1.1rem 1.25rem;text-decoration:none;transition:background .12s;display:flex}.preview-card:hover{background:var(--bg-hover)}.preview-q{font-family:var(--font-serif);color:var(--text);font-size:.95rem;font-weight:400;line-height:1.45}.preview-excerpt{color:var(--text-subtle);font-size:.78rem;line-height:1.5}.preview-more{text-align:center;padding:.75rem 0 .5rem}.view-all-btn{color:var(--accent);border:1px solid var(--border-mid);border-radius:var(--radius);padding:.5em 1.1em;font-size:.82rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:inline-block}.view-all-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.date-grid{background:var(--border);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1px;margin-bottom:4rem;display:grid;overflow:hidden}.date-card{background:var(--bg-card);flex-direction:column;gap:.3rem;padding:1rem 1.25rem;text-decoration:none;transition:background .12s;display:flex}.date-card:hover{background:var(--bg-hover)}.date-card-label{font-family:var(--font-serif);color:var(--text);font-size:.95rem;font-weight:400}.date-card-topics{color:var(--text-subtle);white-space:nowrap;text-overflow:ellipsis;font-size:.72rem;font-weight:400;overflow:hidden}.page-breadcrumb{color:var(--text-subtle);align-items:center;gap:.35rem;margin-bottom:.5rem;padding-top:1.75rem;font-size:.78rem;display:flex}.page-breadcrumb a{color:var(--text-subtle);text-decoration:none;transition:color .15s}.page-breadcrumb a:hover{color:var(--accent)}.bc-sep{color:var(--border-mid)}.page-hero{border-bottom:1px solid var(--border);padding:1.25rem 0 1.75rem}.page-title{color:var(--text);margin-bottom:.75rem}.page-topics{flex-wrap:wrap;gap:.4rem;display:flex}.topic-tag{color:var(--text-muted);background:var(--tag-bg);letter-spacing:.02em;border-radius:20px;padding:.25em .65em;font-size:.7rem;font-weight:500;display:inline-block}.pillar-article{border-bottom:1px solid var(--border);margin-bottom:.5rem;padding:1.5rem 0 .5rem}.pillar-summary{color:var(--text-muted);max-width:620px;margin-bottom:1.1rem;font-size:.925rem;line-height:1.75}.pillar-highlights{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.pillar-highlight{font-size:.875rem;line-height:1.5}.pillar-highlight-link{color:var(--text-muted);border-bottom:1px solid #0000;text-decoration:none;transition:color .15s,border-color .15s}.pillar-highlight-link:hover{color:var(--accent);border-bottom-color:var(--accent-light)}.pillar-highlight-more{color:var(--text-subtle);font-size:.82rem;font-style:italic}.pillar-related{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:.25rem;padding-top:.75rem;display:flex}.pillar-related-label{letter-spacing:.05em;text-transform:uppercase;color:var(--text-subtle);font-size:.72rem;font-weight:600}.pillar-related-links{flex-wrap:wrap;gap:.5rem;display:flex}.pillar-related-link{color:var(--text-muted);border-bottom:1px solid var(--border-mid);padding-bottom:1px;font-size:.8rem;text-decoration:none;transition:color .15s,border-color .15s}.pillar-related-link:hover{color:var(--accent);border-bottom-color:var(--accent)}.toc{background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--border-mid);border-radius:var(--radius);margin:2rem 0 0;padding:1.25rem 1.5rem}.toc-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-subtle);margin-bottom:.85rem;font-size:.7rem;font-weight:600}.toc-list{columns:2;column-gap:2rem;padding:0;list-style:none}.toc-item{break-inside:avoid;margin-bottom:.35rem}.toc-link{color:var(--text-muted);font-size:.82rem;line-height:1.45;text-decoration:none;transition:color .15s;display:block}.toc-link:hover{color:var(--accent)}.qna-list{padding:1rem 0 3rem}.qna-item{border-bottom:1px solid var(--border);grid-template-columns:2.25rem 1fr;gap:0 1rem;padding:2rem 0;display:grid}.qna-item:last-child{border-bottom:none}.qna-number{color:var(--text-subtle);text-align:right;-webkit-user-select:none;user-select:none;letter-spacing:.04em;padding-top:.3rem;font-size:.68rem;font-weight:500}.qna-question{font-family:var(--font-serif);color:var(--text);margin-bottom:.65rem;font-size:1.1rem;font-weight:500;line-height:1.45}.qna-answer{color:var(--text-muted);font-size:.925rem;font-weight:400;line-height:1.8}.qna-anchor{color:var(--border-mid);-webkit-user-select:none;user-select:none;margin-top:.6rem;font-size:.68rem;text-decoration:none;transition:color .15s;display:inline-block}.qna-anchor:hover{color:var(--accent)}.related-section{border-top:1px solid var(--border);padding:2.25rem 0 1.5rem}.related-heading{font-family:var(--font-sans);letter-spacing:.08em;text-transform:uppercase;color:var(--text-subtle);margin-bottom:1rem;font-size:.75rem;font-weight:600}.related-item{display:contents}.related-list{background:var(--border);border:1px solid var(--border);border-radius:var(--radius);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1px;list-style:none;display:grid;overflow:hidden}.related-link{background:var(--bg-card);flex-direction:column;gap:.25rem;padding:.9rem 1.1rem;text-decoration:none;transition:background .12s;display:flex}.related-link:hover{background:var(--bg-hover)}.related-question{font-family:var(--font-serif);color:var(--text);font-size:.875rem;line-height:1.45}.related-date{color:var(--text-subtle);font-size:.72rem}.date-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:stretch;gap:1rem;margin-top:.5rem;padding:1.75rem 0;display:flex}.date-nav-link{border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;flex:1;gap:.2rem;max-width:280px;padding:.85rem 1.1rem;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.date-nav-link:hover{border-color:var(--border-mid);background:var(--bg-card)}.date-nav-right{text-align:right;align-items:flex-end;margin-left:auto}.date-nav-direction{letter-spacing:.06em;text-transform:uppercase;color:var(--text-subtle);font-size:.7rem;font-weight:500}.date-nav-label{font-family:var(--font-serif);color:var(--text);font-size:.95rem;line-height:1.35}.back-home{text-align:center;padding:1rem 0 3.5rem}.back-home-link{color:var(--text-subtle);font-size:.82rem;text-decoration:none;transition:color .15s}.back-home-link:hover{color:var(--accent)}.site-footer{border-top:1px solid var(--border);margin-top:2rem;padding:2.5rem 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1.5rem;display:flex}.footer-logo{font-family:var(--font-serif);color:var(--text);font-size:1rem;font-weight:500;text-decoration:none}.footer-tagline{color:var(--text-subtle);margin-top:.3rem;font-size:.8rem}.footer-links{flex-wrap:wrap;align-items:center;gap:1.5rem;display:flex}.footer-links a{color:var(--text-subtle);font-size:.82rem;text-decoration:none;transition:color .15s}.footer-links a:hover{color:var(--text)}.footer-copy{color:var(--text-subtle);border-top:1px solid var(--border);width:100%;margin-top:.5rem;padding-top:.5rem;font-size:.78rem}.tag{background:var(--tag-bg);color:var(--text-muted);border-radius:4px;padding:.2em .55em;font-size:.7rem;font-weight:500;display:inline-block}.notfound{text-align:center;padding:6rem 1.5rem}.notfound-code{letter-spacing:.1em;text-transform:uppercase;color:var(--text-subtle);margin-bottom:1rem;font-size:.7rem;font-weight:600}.notfound h1{margin-bottom:.75rem;font-size:1.75rem}.notfound p{color:var(--text-muted);margin-bottom:2rem;font-size:.925rem}.notfound-link{color:var(--accent);font-size:.875rem;font-weight:500}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:.35s both fadeInUp}.animate-delay-1{animation-delay:60ms}.animate-delay-2{animation-delay:.12s}.animate-delay-3{animation-delay:.18s}@media (max-width:640px){.hero{padding:2.5rem 0 2rem}.header-nav{display:none}.toc-list{columns:1}.date-grid{grid-template-columns:1fr 1fr}.preview-grid,.related-list{grid-template-columns:1fr}.date-nav{flex-direction:column}.date-nav-link{max-width:100%}.date-nav-right{text-align:left;align-items:flex-start}.footer-inner{flex-direction:column;gap:1rem}.qna-item{grid-template-columns:1.75rem 1fr;gap:0 .75rem}.pillar-related{flex-direction:column;gap:.5rem}}@media (max-width:400px){.date-grid{grid-template-columns:1fr}}