:root{--home-main-col:740px;--home-side-col:280px;--home-gap:1.5rem}body{background-color:var(--page-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif}main{width:calc(100% - 2em);max-width:1100px;margin:0 auto;padding:2rem 0 3rem}.home-layout{flex-direction:column;gap:1.5rem;display:flex}.hero-shell{width:min(100%, calc(var(--home-main-col) + var(--home-side-col) + var(--home-gap)));margin:0 auto}.content-grid{width:min(100%, calc(var(--home-main-col) + var(--home-side-col) + var(--home-gap)));grid-template-columns:var(--home-main-col) var(--home-side-col);gap:var(--home-gap);align-items:start;margin:0 auto;display:grid}.main-stack{flex-direction:column;gap:1.5rem;min-width:0;display:flex}.panel{background:var(--surface-bg);border:1px solid var(--border-soft);box-shadow:var(--shadow-soft);border-radius:10px}.hero-panel{padding:3.5rem 4rem 2.9rem}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft);margin-bottom:1rem;font-size:.72rem;display:inline-block}.hero-title{color:var(--title-text);margin-bottom:1rem;font-size:2.2rem;line-height:1.12}.hero-description{max-width:44rem;color:var(--text-muted);margin:0;font-size:1rem;line-height:1.9}.section-panel{padding:2rem 2.25rem}.sidebar-panel{padding:1.4rem 1.2rem;position:sticky;top:5.25rem}.section-header{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--title-text);margin:0;font-size:1rem;font-weight:700}.section-link{letter-spacing:.06em;text-transform:uppercase;color:var(--text-soft);font-size:.82rem;text-decoration:none}.section-link:hover{color:var(--accent)}.home-latest-ad-slot{border-top:1px solid var(--border-soft);margin-top:1.6rem;padding-top:1.45rem}.featured-link{color:inherit;grid-template-columns:minmax(0,1.25fr) minmax(240px,320px);align-items:center;gap:2rem;text-decoration:none;display:grid}.featured-content{min-width:0}.featured-title{color:var(--title-text);margin:0;font-size:1.65rem;line-height:1.25}.featured-date{color:var(--text-soft);margin-top:.85rem;font-size:.86rem}.featured-category-row{flex-wrap:wrap;gap:.45rem;margin-top:.8rem;display:flex}.featured-category{color:var(--chip-text);background:var(--chip-bg);border:1px solid color-mix(in srgb, var(--accent) 24%, var(--border-soft));border-radius:999px;padding:.15rem .5rem;font-size:12px;font-weight:600}.featured-excerpt{color:var(--text-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:1rem 0 0;font-size:.96rem;line-height:1.85;display:-webkit-box;overflow:hidden}.featured-thumb{background:var(--thumb-bg);aspect-ratio:16/10;border-radius:10px;justify-content:center;align-items:center;display:flex;overflow:hidden}.featured-thumb img{object-fit:contain;object-position:center center;width:100%;height:100%;display:block}.featured-link:hover .featured-title{color:var(--accent)}.post-list{margin:0;padding:0;list-style:none}.post-item{border-bottom:1px solid var(--border-soft);padding:1.6rem 0}.post-item:first-child{padding-top:0}.post-item:last-child{border-bottom:none;padding-bottom:0}.post-link{color:inherit;align-items:flex-start;gap:1.5rem;text-decoration:none;display:flex}.post-thumbnail-container{background:var(--thumb-bg);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:160px;height:90px;display:flex;overflow:hidden}.post-thumbnail-container img{object-fit:contain;object-position:center center;width:100%;height:100%;display:block}.post-info{flex-grow:1;min-width:0}.post-title{color:var(--title-text);-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:2.8em;margin:0;font-size:18px;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.post-date{color:var(--text-soft);margin-top:.35rem;margin-bottom:0;font-size:14px}.post-meta-categories{flex-wrap:wrap;gap:.4rem;margin-top:.45rem;display:flex}.post-category{color:var(--chip-text);background:var(--chip-bg);border:1px solid color-mix(in srgb, var(--accent) 24%, var(--border-soft));border-radius:999px;padding:.15rem .5rem;font-size:12px;font-weight:600}.post-link:hover .post-title{color:var(--accent);text-decoration:underline}.category-grid{flex-direction:column;gap:.65rem;margin:0;padding:0;list-style:none;display:flex}.category-grid a{background:var(--surface-muted);border:1px solid var(--border-soft);color:var(--text-main);text-align:left;border-radius:8px;padding:.85rem .95rem;font-weight:600;text-decoration:none;transition:all .2s;display:block}.category-grid a:hover{background:var(--accent-soft);border-color:color-mix(in srgb, var(--accent) 30%, var(--border-soft));color:var(--title-text)}@media (width<=900px){.hero-shell{width:100%}.content-grid{grid-template-columns:1fr;width:100%}.sidebar-panel{position:static}.hero-panel{padding:2.75rem 2.25rem 2.25rem}.featured-link{grid-template-columns:1fr}}@media (width<=720px){main{width:calc(100% - 1.2em);padding:1rem 0 2.2rem}.hero-panel,.section-panel,.sidebar-panel{padding:1.55rem 1.05rem}.hero-title{font-size:1.75rem}.featured-title{font-size:1.4rem}.featured-link{grid-template-columns:1fr;align-items:center;gap:1.2rem}.section-header{flex-direction:column;align-items:flex-start;margin-bottom:1.1rem}.post-link{gap:.9rem}.post-thumbnail-container{aspect-ratio:auto;width:132px;height:74px}.post-title{min-height:auto;font-size:17px}.post-date{font-size:13px}}@media (width<=480px){main{width:calc(100% - .9em);padding:.8rem 0 1.6rem}.hero-panel,.section-panel,.sidebar-panel{border-radius:8px;padding:1.25rem .9rem}.hero-title{font-size:1.52rem}.hero-description,.featured-excerpt{font-size:.94rem;line-height:1.8}.featured-title,.post-title{font-size:1rem}.post-item{padding:1.25rem 0}.post-link{align-items:flex-start;gap:.75rem}.post-thumbnail-container{width:108px;height:61px}.post-date{margin-top:.25rem}.category-grid a{padding:.78rem .82rem}}