:root{--primary:#4CAF50;--primary-dark:#388E3C;--primary-light:#E8F5E9;--accent:#FF9800;--accent-light:#FFF3E0;--bg:#FAFAFA;--bg-white:#FFFFFF;--text:#333333;--text-light:#666666;--text-muted:#999999;--border:#E0E0E0;--border-light:#F0F0F0;--card-bg:#FFFFFF;--footer-bg:#2C3E50;--footer-text:#ECF0F1;--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.08);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.1);--shadow-lg:0 8px 24px rgba(0, 0, 0, 0.12);--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--max-width:1200px;--article-width:720px;--header-height:60px;--transition:0.2s ease}[data-theme=dark]{--bg:#121212;--bg-white:#1E1E1E;--text:#E8E8E8;--text-light:#B0B0B0;--text-muted:#777777;--border:#333333;--border-light:#2A2A2A;--card-bg:#1E1E1E;--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.4);--shadow-md:0 4px 12px rgba(0, 0, 0, 0.5);--shadow-lg:0 8px 24px rgba(0, 0, 0, 0.6);--primary-light:#1B3A1B;--accent-light:#3A2800;--footer-bg:#0D0D0D}.dark-toggle{background:0 0;border:none;cursor:pointer;padding:6px;border-radius:var(--radius-sm);color:var(--text);display:flex;align-items:center;justify-content:center;transition:background var(--transition);flex-shrink:0}.dark-toggle:hover{background:var(--border-light)}.dark-toggle svg{width:20px;height:20px}.dark-toggle .icon-moon{display:block}.dark-toggle .icon-sun{display:none}[data-theme=dark] .dark-toggle .icon-moon{display:none}[data-theme=dark] .dark-toggle .icon-sun{display:block}.header-search-btn{background:0 0;border:none;cursor:pointer;padding:6px;border-radius:var(--radius-sm);color:var(--text);display:flex;align-items:center;justify-content:center;text-decoration:none;transition:background var(--transition);flex-shrink:0}.header-search-btn:hover{background:var(--border-light);color:var(--primary)}.header-search-btn svg{width:20px;height:20px}.social-share{margin:2rem 0;padding:1.5rem;background:var(--bg);border-radius:var(--radius-md);border:1px solid var(--border)}.social-share-title{font-size:.9rem;font-weight:600;color:var(--text-light);margin-bottom:1rem;text-transform:uppercase;letter-spacing:.05em}.social-share-buttons{display:flex;gap:.75rem;flex-wrap:wrap}.share-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;text-decoration:none;border:none;cursor:pointer;transition:opacity var(--transition),transform var(--transition);color:#fff}.share-btn:hover{opacity:.85;transform:translateY(-1px)}.share-btn svg{width:16px;height:16px}.share-btn-x{background:#000}.share-btn-line{background:#06c755}.share-btn-hatena{background:#00a4de}.share-btn-copy{background:var(--text-light);color:#fff}.share-btn-copy.copied{background:var(--primary)}.search-page{max-width:760px;margin:2rem auto;padding:0 1rem}.search-page h1{font-size:1.6rem;margin-bottom:1.5rem}.search-form{display:flex;gap:.5rem;margin-bottom:2rem}.search-input{flex:1;padding:.75rem 1rem;border:2px solid var(--border);border-radius:var(--radius-md);font-size:1rem;background:var(--bg-white);color:var(--text);transition:border-color var(--transition)}.search-input:focus{outline:none;border-color:var(--primary)}.search-submit{padding:.75rem 1.25rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;font-size:1rem;transition:background var(--transition)}.search-submit:hover{background:var(--primary-dark)}.search-results-count{font-size:.9rem;color:var(--text-muted);margin-bottom:1rem}.search-result-item{padding:1.25rem;background:var(--card-bg);border-radius:var(--radius-md);border:1px solid var(--border);margin-bottom:1rem;transition:box-shadow var(--transition)}.search-result-item:hover{box-shadow:var(--shadow-md)}.search-result-item h3{margin-bottom:.4rem}.search-result-item h3 a{color:var(--text);text-decoration:none;font-size:1.1rem}.search-result-item h3 a:hover{color:var(--primary)}.search-result-excerpt{font-size:.9rem;color:var(--text-light);line-height:1.6;margin-bottom:.4rem}.search-result-meta{font-size:.8rem;color:var(--text-muted)}mark{background:var(--accent-light);color:var(--text);padding:0 2px;border-radius:2px}.toc-list a.active{color:var(--primary)!important;font-weight:600}.reading-progress{position:fixed;top:var(--header-height);left:0;height:3px;background:var(--primary);z-index:999;width:0%;transition:width .1s linear}[data-theme=dark] img{filter:brightness(.92)}[data-theme=dark] .hero{background:linear-gradient(135deg,#1B3A1B 0%,#2C3E50 100%)}[data-theme=dark] .site-header{background:#1a1a1a;border-bottom-color:#333}[data-theme=dark] .mobile-nav{background:#1a1a1a}@media(max-width:768px){.header-inner{gap:.5rem}.header-actions{display:flex;align-items:center;gap:.25rem;margin-left:auto}}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:noto sans jp,-apple-system,BlinkMacSystemFont,segoe ui,Roboto,helvetica neue,Arial,sans-serif;font-weight:400;line-height:1.8;color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:var(--primary);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--primary-dark)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{cursor:pointer;border:none;background:0 0;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.site-header{position:sticky;top:0;z-index:100;background-color:var(--bg-white);border-bottom:1px solid var(--border);height:var(--header-height);transition:box-shadow var(--transition)}.site-header.scrolled{box-shadow:var(--shadow-sm)}.header-inner{display:flex;align-items:center;gap:1rem;height:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.header-actions{display:flex;align-items:center;gap:.25rem;margin-left:auto;flex-shrink:0}.site-logo{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;color:var(--text);text-decoration:none;white-space:nowrap;flex-shrink:0}.site-logo:hover{color:var(--primary)}.site-logo svg{width:28px;height:28px;fill:var(--primary)}.main-nav{display:flex;align-items:center;gap:1.5rem}.main-nav a{color:var(--text-light);font-size:.9375rem;font-weight:500;padding:.25rem 0;border-bottom:2px solid transparent;transition:color var(--transition),border-color var(--transition);white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:var(--primary);border-bottom-color:var(--primary)}.hamburger{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;cursor:pointer;z-index:200}.hamburger span{display:block;width:24px;height:2px;background-color:var(--text);transition:transform var(--transition),opacity var(--transition);margin:3px 0}.hamburger.active span:nth-child(1){transform:translateY(8px)rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-8px)rotate(-45deg)}.mobile-nav-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);z-index:150;opacity:0;transition:opacity var(--transition)}.mobile-nav-overlay.active{display:block;opacity:1}.mobile-nav{position:fixed;top:0;right:-280px;width:280px;height:100%;background-color:var(--bg-white);z-index:160;padding:5rem 1.5rem 2rem;transition:right .3s ease;overflow-y:auto}.mobile-nav.active{right:0}.mobile-nav a{display:block;padding:.75rem 0;color:var(--text);font-size:1rem;font-weight:500;border-bottom:1px solid var(--border-light)}.mobile-nav a:hover,.mobile-nav a.active{color:var(--primary)}.hero{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:4rem 0;text-align:center}.hero-content{max-width:800px;margin:0 auto;padding:0 1.5rem}.hero h1{font-size:2.25rem;font-weight:700;margin-bottom:1rem;line-height:1.3}.hero p{font-size:1.125rem;opacity:.9;line-height:1.7;margin-bottom:1.5rem}.hero-badge{display:inline-block;background-color:rgba(255,255,255,.2);color:#fff;padding:.375rem 1rem;border-radius:2rem;font-size:.875rem;font-weight:500;margin-bottom:1rem}.hero-cta{display:inline-block;background-color:#fff;color:var(--primary-dark);padding:.75rem 2rem;border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:transform var(--transition),box-shadow var(--transition)}.hero-cta:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15);color:var(--primary-dark)}.hero-tagline{font-size:1.25rem;font-weight:600;opacity:1;margin-bottom:.5rem}.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.hero-cta-outline{background-color:initial;color:#fff;border:2px solid rgba(255,255,255,.7)}.hero-cta-outline:hover{background-color:rgba(255,255,255,.15);color:#fff;border-color:#fff}.section-heading{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:1.5rem;padding-left:1rem;border-left:4px solid var(--primary);line-height:1.4}.section-heading a{color:inherit}.section-heading a:hover{color:var(--primary)}.section-subheading{font-size:1rem;color:var(--text-light);margin-top:-1rem;margin-bottom:2rem}.section-block{padding-top:3rem;padding-bottom:2rem}.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:2rem}.post-grid-single{grid-template-columns:1fr;max-width:var(--article-width)}.post-grid-three{grid-template-columns:repeat(3,1fr)}.featured-card .post-card-image img,.featured-card .post-card-placeholder{aspect-ratio:16/9}.featured-card .post-card-title{font-size:1.125rem}.post-list{grid-template-columns:1fr;gap:0}.post-list .post-card{border-radius:0;box-shadow:none;border-bottom:1px solid var(--border)}.post-list .post-card:hover{transform:none;box-shadow:none;background-color:var(--bg-alt)}.post-list .post-card a{display:flex;flex-direction:row;align-items:center}.post-list .post-card-image{display:none}.post-list .post-card-body{padding:1rem 0}.post-list .post-card-title{font-size:1rem;margin-bottom:.25rem}.post-list .post-card-excerpt{display:none}.post-list .post-card-tags{display:none}.section-header-top{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.view-toggle{display:flex;gap:.25rem;background-color:var(--bg-alt);border-radius:var(--radius-sm);padding:.25rem;flex-shrink:0}.view-toggle-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:var(--radius-sm);background-color:initial;color:var(--text-light);cursor:pointer;transition:background-color var(--transition),color var(--transition)}.view-toggle-btn:hover{color:var(--text)}.view-toggle-btn.active{background-color:var(--card-bg);color:var(--primary);box-shadow:var(--shadow-sm)}.post-card-tags{display:flex;flex-wrap:wrap;gap:.375rem;margin-top:.75rem}.post-card-tag{display:inline-block;font-size:.6875rem;color:var(--text-light);background-color:var(--bg);padding:.125rem .375rem;border-radius:var(--radius-sm);border:1px solid var(--border)}.about-cta{background-color:var(--bg-alt);padding:4rem 1.5rem;text-align:center;margin-top:1rem}.about-cta-content{max-width:640px;margin:0 auto}.about-cta-title{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:1rem}.about-cta-description{font-size:1rem;color:var(--text-light);line-height:1.8;margin-bottom:1.5rem}.about-cta-link{display:inline-block;background-color:var(--primary);color:#fff;padding:.625rem 2rem;border-radius:var(--radius-md);font-weight:600;font-size:.9375rem;transition:background-color var(--transition),transform var(--transition)}.about-cta-link:hover{background-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}.post-card{background-color:var(--card-bg);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);display:flex;flex-direction:column}.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.post-card a{color:inherit;text-decoration:none}.post-card-image{position:relative;width:100%;padding-top:52.5%;overflow:hidden;background-color:var(--primary-light)}.post-card-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.post-card:hover .post-card-image img{transform:scale(1.05)}.post-card-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-light),#C8E6C9)}.post-card-placeholder svg{width:64px;height:64px;fill:var(--primary);opacity:.5}.post-card-body{padding:1.25rem;flex:1;display:flex;flex-direction:column}.post-card-category{display:inline-block;font-size:.75rem;font-weight:600;color:var(--primary);background-color:var(--primary-light);padding:.125rem .5rem;border-radius:var(--radius-sm);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.025em}.post-card-title{font-size:1.125rem;font-weight:700;color:var(--text);margin-bottom:.5rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.post-card-meta{display:flex;align-items:center;gap:.75rem;font-size:.8125rem;color:var(--text-muted);margin-bottom:.5rem}.post-card-meta svg{width:14px;height:14px;fill:currentColor;flex-shrink:0}.post-card-meta-item{display:flex;align-items:center;gap:.25rem}.post-card-excerpt{font-size:.875rem;color:var(--text-light);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-top:auto}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2rem}.category-card{background-color:var(--card-bg);border-radius:var(--radius-md);padding:1.5rem;text-align:center;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);text-decoration:none;color:inherit;display:flex;flex-direction:column;align-items:center;gap:.75rem}.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);color:inherit}.category-card-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);background-color:var(--primary-light);margin-bottom:.25rem}.category-card-icon svg{width:28px;height:28px;fill:var(--primary)}.category-card-title{font-size:1rem;font-weight:700;color:var(--text)}.category-card-description{font-size:.8125rem;color:var(--text-light);line-height:1.6}.category-card-count{font-size:.75rem;color:var(--text-muted);margin-top:auto}.article-layout{display:grid;grid-template-columns:minmax(0,var(--article-width))260px;gap:2.5rem;max-width:calc(var(--article-width) + 260px + 2.5rem);margin:0 auto;padding:2rem 1.5rem;align-items:start}.article-main{min-width:0}.article-sidebar{position:sticky;top:calc(var(--header-height) + 1.5rem);max-height:calc(100vh - var(--header-height) - 3rem);overflow-y:auto}.toc{background-color:var(--card-bg);border-radius:var(--radius-md);padding:1.25rem;border:1px solid var(--border-light)}.toc-title{font-size:.875rem;font-weight:700;color:var(--text);margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.toc-title svg{width:16px;height:16px;fill:var(--primary)}.toc-list{list-style:none;padding:0;margin:0}.toc-list li{margin-bottom:.25rem}.toc-list a{display:block;font-size:.8125rem;color:var(--text-light);padding:.25rem 0 .25rem .75rem;border-left:2px solid transparent;transition:color var(--transition),border-color var(--transition);line-height:1.5}.toc-list a:hover,.toc-list a.active{color:var(--primary);border-left-color:var(--primary)}.toc-list .toc-h3{padding-left:1.5rem;font-size:.75rem}.toc-list .toc-h4{padding-left:2.25rem;font-size:.75rem}.toc-toggle{display:none;width:100%;padding:.75rem 1rem;background-color:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.875rem;font-weight:600;color:var(--text);cursor:pointer;text-align:left;margin-bottom:1rem}.toc-toggle svg{width:16px;height:16px;fill:currentColor;vertical-align:middle;margin-right:.5rem}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:.25rem;font-size:.8125rem;color:var(--text-muted);margin-bottom:1.5rem;padding:0}.breadcrumb li{display:flex;align-items:center;gap:.25rem}.breadcrumb li+li::before{content:"/";color:var(--text-muted);margin-right:.25rem}.breadcrumb a{color:var(--text-muted);transition:color var(--transition)}.breadcrumb a:hover{color:var(--primary)}.breadcrumb .current{color:var(--text-light);font-weight:500}.article-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-light)}.article-header .post-card-category{margin-bottom:.75rem}.article-title{font-size:2rem;font-weight:800;color:var(--text);line-height:1.4;margin-bottom:1rem;letter-spacing:-.01em}.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.875rem;color:var(--text-muted)}.article-meta-item{display:flex;align-items:center;gap:.375rem}.article-meta-item svg{width:16px;height:16px;fill:currentColor;flex-shrink:0}.article-categories{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}.article-categories a{display:inline-block;font-size:.75rem;font-weight:600;color:var(--primary);background-color:var(--primary-light);padding:.1875rem .625rem;border-radius:var(--radius-sm);transition:background-color var(--transition)}.article-categories a:hover{background-color:#c8e6c9}.article-tags{display:flex;flex-wrap:wrap;gap:.375rem;margin-top:.5rem}.article-tags a{display:inline-block;font-size:.75rem;color:var(--text-light);background-color:var(--bg);padding:.125rem .5rem;border-radius:var(--radius-sm);border:1px solid var(--border);transition:border-color var(--transition),color var(--transition)}.article-tags a:hover{border-color:var(--primary);color:var(--primary)}.article-body{line-height:1.9;font-size:1rem;color:var(--text)}.article-body>*+*{margin-top:1.5rem}.article-body h2{font-size:1.5rem;font-weight:700;color:var(--text);margin-top:3rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--primary-light);line-height:1.4}.article-body h3{font-size:1.25rem;font-weight:700;color:var(--text);margin-top:2.5rem;margin-bottom:.75rem;line-height:1.4}.article-body h4{font-size:1.0625rem;font-weight:700;color:var(--text);margin-top:2rem;margin-bottom:.5rem;line-height:1.5}.article-body h2::before,.article-body h3::before{content:"";display:block;height:calc(var(--header-height) + 1rem);margin-top:calc(-1 * (var(--header-height) + 1rem));visibility:hidden;pointer-events:none}.article-body p{margin-bottom:1.25rem}.article-body a{color:var(--primary);text-decoration:underline;text-decoration-color:var(--primary-light);text-underline-offset:2px;transition:text-decoration-color var(--transition)}.article-body a:hover{text-decoration-color:var(--primary)}.article-body ul{list-style:disc;padding-left:1.75rem;margin-bottom:1.25rem}.article-body ol{list-style:decimal;padding-left:1.75rem;margin-bottom:1.25rem}.article-body li{margin-bottom:.375rem;line-height:1.8}.article-body li>ul,.article-body li>ol{margin-top:.375rem;margin-bottom:0}.article-body blockquote{border-left:4px solid var(--primary);background-color:var(--primary-light);padding:1rem 1.25rem;margin:1.5rem 0;border-radius:0 var(--radius-sm)var(--radius-sm)0;font-style:italic;color:var(--text-light)}.article-body blockquote p{margin-bottom:0}.article-body blockquote p+p{margin-top:.75rem}.article-body code{font-family:source code pro,noto sans mono,monospace;font-size:.875em;background-color:var(--border-light);padding:.125rem .375rem;border-radius:var(--radius-sm);color:var(--primary-dark)}.article-body pre{background-color:#1e1e1e;color:#d4d4d4;padding:1.25rem;border-radius:var(--radius-md);overflow-x:auto;font-size:.875rem;line-height:1.6;margin:1.5rem 0}.article-body pre code{background:0 0;padding:0;border-radius:0;color:inherit;font-size:inherit}.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9375rem}.article-body thead{background-color:var(--primary-light)}.article-body th{font-weight:700;text-align:left;padding:.75rem 1rem;border-bottom:2px solid var(--primary);color:var(--text)}.article-body td{padding:.75rem 1rem;border-bottom:1px solid var(--border-light);vertical-align:top}.article-body tbody tr:hover{background-color:var(--border-light)}.article-body img{border-radius:var(--radius-md);margin:1.5rem 0;box-shadow:var(--shadow-sm)}.article-body figure{margin:1.5rem 0;text-align:center}.article-body figcaption{font-size:.8125rem;color:var(--text-muted);margin-top:.5rem;font-style:italic}.article-body hr{border:none;border-top:1px solid var(--border);margin:2rem 0}.article-body strong{font-weight:700;color:var(--text)}.article-body em{font-style:italic}.article-body mark{background-color:#fff9c4;padding:.0625rem .25rem;border-radius:2px}.article-body dl{margin:1.25rem 0}.article-body dt{font-weight:700;color:var(--text);margin-top:1rem}.article-body dd{margin-left:1.5rem;color:var(--text-light)}.author-box{display:flex;align-items:flex-start;gap:1.25rem;padding:1.5rem;margin:2.5rem 0;background-color:var(--card-bg);border-radius:var(--radius-md);border:1px solid var(--border-light)}.author-avatar{width:64px;height:64px;border-radius:50%;overflow:hidden;flex-shrink:0;background-color:var(--primary-light);display:flex;align-items:center;justify-content:center}.author-avatar img{width:100%;height:100%;object-fit:cover}.author-avatar svg{width:32px;height:32px;fill:var(--primary)}.author-info{flex:1}.author-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem}.author-name{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.25rem}.author-name a{color:inherit}.author-name a:hover{color:var(--primary)}.author-description{font-size:.8125rem;color:var(--text-light);line-height:1.6;margin-bottom:.5rem}.author-link{font-size:.8125rem;color:var(--primary);font-weight:500}.post-navigation{display:flex;justify-content:space-between;gap:1.5rem;margin:2.5rem 0;padding-top:1.5rem;border-top:1px solid var(--border-light)}.post-nav-item{flex:1;max-width:50%}.post-nav-item:only-child:last-child{margin-left:auto}.post-nav-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.375rem}.post-nav-title{font-size:.9375rem;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition)}.post-nav-item a:hover .post-nav-title{color:var(--primary)}.post-nav-item.next{text-align:right}.related-posts{margin:2.5rem 0}.related-posts-title{font-size:1.25rem;font-weight:700;margin-bottom:1.25rem;color:var(--text)}.related-posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.related-card{background-color:var(--card-bg);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition)}.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.related-card a{color:inherit;text-decoration:none}.related-card-image{width:100%;padding-top:52.5%;position:relative;overflow:hidden;background-color:var(--primary-light)}.related-card-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.related-card-body{padding:1rem}.related-card-title{font-size:.9375rem;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:.375rem}.related-card-date{font-size:.75rem;color:var(--text-muted)}.faq-section{margin:2rem 0}.faq-item{border-bottom:1px solid var(--border-light)}.faq-item:first-child{border-top:1px solid var(--border-light)}.faq-item details{padding:0}.faq-item summary{display:flex;align-items:center;gap:.75rem;padding:1rem 0;cursor:pointer;list-style:none;font-weight:600;color:var(--text);font-size:1rem;line-height:1.5;transition:color var(--transition)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::before{content:"Q";display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background-color:var(--primary);color:#fff;font-size:.8125rem;font-weight:700;flex-shrink:0}.faq-item summary::after{content:"";display:block;width:10px;height:10px;border-right:2px solid var(--text-muted);border-bottom:2px solid var(--text-muted);transform:rotate(45deg);transition:transform var(--transition);margin-left:auto;flex-shrink:0}.faq-item details[open] summary::after{transform:rotate(-135deg)}.faq-item summary:hover{color:var(--primary)}.faq-answer{padding:0 0 1rem 2.75rem;color:var(--text-light);line-height:1.8;font-size:.9375rem}.faq-answer::before{content:"A";display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background-color:var(--accent);color:#fff;font-size:.75rem;font-weight:700;margin-right:.5rem;vertical-align:middle}.faq-answer p{display:inline}.callout{padding:1rem 1.25rem;border-radius:var(--radius-md);margin:1.5rem 0;border-left:4px solid;font-size:.9375rem;line-height:1.7}.callout-title{font-weight:700;margin-bottom:.375rem;display:flex;align-items:center;gap:.5rem}.callout-title svg{width:18px;height:18px;flex-shrink:0}.callout p{margin:0}.callout p+p{margin-top:.5rem}.callout-tip{border-left-color:#27ae60;background-color:#f0fff4}.callout-tip .callout-title{color:#27ae60}.callout-tip .callout-title svg{fill:#27ae60}.callout-warning{border-left-color:#f39c12;background-color:#fffcf0}.callout-warning .callout-title{color:#f39c12}.callout-warning .callout-title svg{fill:#f39c12}.callout-info{border-left-color:var(--primary);background-color:var(--primary-light)}.callout-info .callout-title{color:var(--primary)}.callout-info .callout-title svg{fill:var(--primary)}.callout-quote{border-left-color:#8e44ad;background-color:#f9f0ff}.callout-quote .callout-title{color:#8e44ad}.callout-quote .callout-title svg{fill:#8e44ad}.amazon-box{display:flex;gap:1.25rem;padding:1.25rem;margin:1.5rem 0;background-color:var(--card-bg);border-radius:var(--radius-md);border-left:4px solid var(--primary);box-shadow:var(--shadow-sm)}.amazon-box-image{width:120px;height:120px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background-color:var(--border-light);border-radius:var(--radius-sm);overflow:hidden}.amazon-box-image img{max-width:100%;max-height:100%;object-fit:contain}.amazon-box-content{flex:1;display:flex;flex-direction:column}.amazon-box-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.375rem;line-height:1.5}.amazon-box-description{font-size:.8125rem;color:var(--text-light);line-height:1.6;margin-bottom:.75rem;flex:1}.amazon-box-button{display:inline-flex;align-items:center;gap:.5rem;background-color:#f90;color:#fff;padding:.5rem 1.25rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;transition:background-color var(--transition),transform var(--transition);align-self:flex-start;text-decoration:none}.amazon-box-button:hover{background-color:#e68a00;transform:translateY(-1px);color:#fff}.amazon-box-button svg{width:16px;height:16px;fill:currentColor}.amazon-box-disclosure{font-size:.6875rem;color:var(--text-muted);margin-top:.5rem;line-height:1.4}.medical-disclaimer{padding:1.25rem 1.5rem;margin:1.5rem 0;background-color:var(--accent-light);border-left:4px solid var(--accent);border-radius:0 var(--radius-md)var(--radius-md)0}.medical-disclaimer-title{font-size:.9375rem;font-weight:700;color:var(--accent);margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.medical-disclaimer-title svg{width:18px;height:18px;fill:var(--accent);flex-shrink:0}.medical-disclaimer-body{font-size:.8125rem;color:var(--text-light);line-height:1.7}.medical-disclaimer-body p{margin:0}.medical-disclaimer-body p+p{margin-top:.5rem}.medical-disclaimer-reviewer{font-size:.75rem;color:var(--text-muted);margin-top:.75rem;padding-top:.5rem;border-top:1px solid rgba(255,152,0,.2)}.medical-disclaimer-reviewer strong{color:var(--text-light)}.adsense-container{margin:2rem 0;text-align:center;min-height:90px}.adsense-container ins{display:block}.adsense-label{font-size:.6875rem;color:var(--text-muted);text-align:center;margin-bottom:.25rem;text-transform:uppercase;letter-spacing:.1em}.pagination{display:flex;align-items:center;justify-content:center;gap:.375rem;margin:2.5rem 0;padding:1rem 0}.pagination a,.pagination span{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 .5rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--text-light);transition:background-color var(--transition),color var(--transition)}.pagination a:hover{background-color:var(--primary-light);color:var(--primary)}.pagination .current{background-color:var(--primary);color:#fff;font-weight:700}.pagination .dots{color:var(--text-muted);pointer-events:none}.pagination .prev,.pagination .next{font-weight:600}.pagination .prev svg,.pagination .next svg{width:16px;height:16px;fill:currentColor}.pagination .disabled{opacity:.4;pointer-events:none}.section-header{padding:2rem 0 1.5rem}.section-header-title{font-size:1.75rem;font-weight:700;color:var(--text);margin-bottom:.5rem}.section-header-description{font-size:1rem;color:var(--text-light);line-height:1.7;max-width:600px}.section-header-count{font-size:.875rem;color:var(--text-muted);margin-top:.5rem}.error-page{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:calc(100vh - var(--header-height) - 200px);padding:4rem 1.5rem}.error-code{font-size:8rem;font-weight:800;color:var(--primary);line-height:1;margin-bottom:1rem;opacity:.8}.error-title{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:.75rem}.error-description{font-size:1rem;color:var(--text-light);max-width:500px;margin-bottom:2rem;line-height:1.7}.error-link{display:inline-flex;align-items:center;gap:.5rem;background-color:var(--primary);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;font-size:.9375rem;transition:background-color var(--transition),transform var(--transition)}.error-link:hover{background-color:var(--primary-dark);transform:translateY(-2px);color:#fff}.error-link svg{width:16px;height:16px;fill:currentColor}.site-footer{background-color:var(--footer-bg);color:var(--footer-text);padding:3rem 0 1.5rem;margin-top:4rem}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.footer-top{display:flex;justify-content:space-between;gap:2rem;margin-bottom:2rem}.footer-brand{max-width:300px}.footer-brand-name{font-size:1.125rem;font-weight:700;color:#fff;margin-bottom:.5rem}.footer-brand-description{font-size:.8125rem;color:rgba(236,240,241,.7);line-height:1.6}.footer-nav{display:flex;gap:3rem}.footer-nav-group h4{font-size:.875rem;font-weight:700;color:#fff;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.05em}.footer-nav-group ul{list-style:none;padding:0}.footer-nav-group li{margin-bottom:.375rem}.footer-nav-group a{font-size:.8125rem;color:rgba(236,240,241,.7);transition:color var(--transition)}.footer-nav-group a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;display:flex;flex-direction:column;gap:.75rem}.footer-copyright{font-size:.75rem;color:rgba(236,240,241,.5)}.footer-disclaimer{font-size:.6875rem;color:rgba(236,240,241,.4);line-height:1.6;max-width:700px}.footer-medical-disclaimer{font-size:.75rem;color:rgba(236,240,241,.5);line-height:1.6;padding:.75rem 0;border-top:1px solid rgba(255,255,255,5%);margin-top:.5rem}.skip-link{position:absolute;top:-100%;left:0;background-color:var(--primary);color:#fff;padding:.75rem 1.5rem;z-index:1000;font-weight:600;font-size:.875rem;border-radius:0 0 var(--radius-sm)0;transition:top var(--transition)}.skip-link:focus{top:0;color:#fff}:focus-visible{outline:3px solid var(--primary);outline-offset:2px}*:focus:not(:focus-visible){outline:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.reading-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));z-index:9999;transition:width .1s linear}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:44px;height:44px;border-radius:50%;background-color:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity var(--transition),visibility var(--transition),transform var(--transition),background-color var(--transition);z-index:90;border:none}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background-color:var(--primary-dark);transform:translateY(-2px)}.back-to-top svg{width:20px;height:20px;fill:currentColor}@media(max-width:1024px){.hamburger{display:flex}.main-nav{display:none}.category-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr;max-width:var(--article-width)}.article-sidebar{position:relative;top:0;max-height:none;order:-1}.toc-toggle{display:flex;align-items:center}.toc{display:none;margin-bottom:1rem}.toc.active{display:block}.related-posts-grid{grid-template-columns:repeat(2,1fr)}.post-grid-three{grid-template-columns:repeat(2,1fr)}.featured-card .post-card-title{font-size:1rem}.about-cta{padding:3rem 1.5rem}.footer-top{flex-direction:column}.footer-brand{max-width:100%}}@media(max-width:768px){:root{--header-height:56px}.hamburger{display:flex}.main-nav{display:none}.post-grid{grid-template-columns:1fr}.post-grid-three{grid-template-columns:1fr}.section-header-top{flex-direction:column}.view-toggle{align-self:flex-end}.about-cta{padding:2.5rem 1rem}.about-cta-title{font-size:1.25rem}.hero-actions{flex-direction:column;align-items:center}.category-grid{grid-template-columns:1fr}.category-card{flex-direction:row;text-align:left;padding:1rem}.category-card-icon{margin-bottom:0}.hero{padding:2.5rem 0}.hero h1{font-size:1.75rem}.hero p{font-size:1rem}.article-layout{padding:1.5rem 1rem}.article-title{font-size:1.625rem}.article-body h2{font-size:1.3125rem}.article-body h3{font-size:1.125rem}.article-meta{flex-direction:column;align-items:flex-start;gap:.5rem}.post-navigation{flex-direction:column;gap:1rem}.post-nav-item{max-width:100%}.post-nav-item.next{text-align:left}.related-posts-grid{grid-template-columns:1fr}.amazon-box{flex-direction:column;align-items:center;text-align:center}.amazon-box-button{align-self:center}.footer-nav{flex-direction:column;gap:1.5rem}.footer-bottom{text-align:center}.pagination{gap:.25rem}.pagination a,.pagination span{min-width:36px;height:36px;font-size:.8125rem}.error-code{font-size:5rem}.error-title{font-size:1.25rem}.back-to-top{bottom:1.5rem;right:1.5rem;width:40px;height:40px}.container{padding:0 1rem}.header-inner{padding:0 1rem}.footer-inner{padding:0 1rem}.section-header{padding:1.5rem 0 1rem}.section-header-title{font-size:1.5rem}.author-box{flex-direction:column;align-items:center;text-align:center}.breadcrumb{font-size:.75rem}.faq-answer{padding-left:0}.header-actions{gap:.1rem}.social-share-buttons{gap:.5rem}.share-btn{padding:.45rem .75rem;font-size:.8rem}.search-form{flex-direction:column}.search-submit{width:100%}.article-body{font-size:1rem;line-height:1.85}.article-body h2{font-size:1.2rem}.post-card-tag,.share-btn,.view-toggle-btn{min-height:44px;display:inline-flex;align-items:center}.toc{margin-bottom:1rem}}@media(max-width:480px){.hero h1{font-size:1.5rem}.hero-cta{padding:.625rem 1.5rem;font-size:.9375rem}.post-card-body{padding:1rem}.post-card-title{font-size:1rem}.article-title{font-size:1.375rem}.error-code{font-size:4rem}.section-heading{font-size:1.25rem}}@media print{.site-header,.site-footer,.main-nav,.mobile-nav,.mobile-nav-overlay,.hamburger,.toc-toggle,.back-to-top,.reading-progress,.skip-link,.adsense-container,.post-navigation,.related-posts,.pagination,.breadcrumb{display:none!important}body{color:#000;background:#fff;font-size:12pt;line-height:1.6}.article-body a[href]::after{content:" (" attr(href)")";font-size:.8em;color:#666}.article-body a[href^="#"]::after,.article-body a[href^=javascript]::after{content:""}.article-layout{display:block;max-width:100%;padding:0}.article-sidebar{display:none}img{max-width:100%!important;page-break-inside:avoid}.article-header,.author-box,blockquote,pre,table{page-break-inside:avoid}h2,h3,h4{page-break-after:avoid}.medical-disclaimer{border:1px solid #999;background:#f5f5f5}.amazon-box{border:1px solid #ccc;box-shadow:none}.callout{border-left-width:3px;background:#f9f9f9!important}.footer-medical-disclaimer{display:block!important;color:#666;border-top:1px solid #ccc;padding-top:1rem;margin-top:2rem}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-right{text-align:right}.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.pt-0{padding-top:0}.pt-2{padding-top:1rem}.pt-4{padding-top:2rem}.pb-0{padding-bottom:0}.pb-2{padding-bottom:1rem}.pb-4{padding-bottom:2rem}.d-none{display:none}.d-block{display:block}.d-flex{display:flex}.d-grid{display:grid}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.w-full{width:100%}.max-w-article{max-width:var(--article-width)}.max-w-content{max-width:var(--max-width)}