:root{--tech-ink:#1b302c;--tech-accent:#315f50;--tech-light:#e8efdf;--tech-line:#d5ddd1}html{scroll-behavior:smooth;scroll-padding-top:24px}body{color:var(--tech-ink)}[hidden]{display:none!important}.tech-intro{padding-top:64px;padding-bottom:48px}.tech-intro h1{font-size:clamp(2rem,4.6vw,3.65rem);line-height:1.4;letter-spacing:-.04em;max-width:900px}.intro-price{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:28px 0}.intro-price strong{font-size:1.5rem}.feature-story{background:var(--tech-light);border-radius:22px;padding:38px;display:grid;grid-template-columns:1.4fr 1fr;gap:48px}.feature-story h2{font-size:clamp(1.65rem,2.5vw,2.15rem);line-height:1.5}.flow-art{list-style:none;margin:0;padding:0;display:grid;gap:12px;align-content:center}.flow-art li{background:#fff;border-radius:12px;padding:20px;display:grid;grid-template-columns:44px 1fr;gap:4px 12px}.flow-art span{grid-row:span 2;color:#648044;font-weight:700;font-size:1.5rem}.flow-art small{color:#53685f}.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:25px 0}.category{display:block;border:1px solid var(--tech-line);background:#fff;padding:22px;border-radius:14px;text-decoration:none}.category strong{display:block;font-size:1.12rem}.category span{display:block;font-size:.88rem;margin-top:7px;color:#586961}.category:hover,.category:focus-visible{border-color:var(--tech-accent);box-shadow:0 0 0 2px var(--tech-accent)}.search-bar{display:flex;align-items:center;gap:14px;margin:32px 0 16px;flex-wrap:wrap}.search-bar label{font-weight:700}.search-bar input{flex:1;min-width:180px;border:1px solid #809187;border-radius:9px;padding:14px;font:inherit;background:#fff}.search-bar button{padding:13px 18px;border:1px solid #809187;background:#fff;border-radius:9px;font:inherit;cursor:pointer}.topic-group{margin-top:46px}.topic-group>h2{font-size:1.35rem;border-bottom:1px solid var(--tech-line);padding-bottom:16px}.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.tech-card{background:#fff;border:1px solid var(--tech-line);border-radius:16px;padding:28px;display:flex;flex-direction:column}.tech-card h3{font-size:1.4rem;line-height:1.5;margin:8px 0}.tech-card h3 a{text-decoration:none}.tech-card h3 a:hover{text-decoration:underline}.tech-card p{margin:10px 0}.tech-card .example{border-left:3px solid #94aa72;padding-left:14px;font-size:.95rem;color:#4e6258}.card-bottom{margin-top:auto;padding-top:24px;display:flex;gap:16px;align-items:flex-end;justify-content:space-between}.card-bottom strong{font-size:1.3rem}.card-bottom small{display:block;color:#5c6b64;font-size:.75rem}.text-link{font-size:.9rem}.note-box,.result-box{background:#edf1e7;border-radius:14px;padding:26px}.narrow{max-width:840px}.narrow h2{margin-top:40px}.breadcrumb{display:flex;gap:12px;padding-top:26px;font-size:.85rem;flex-wrap:wrap}.detail-hero{display:grid;grid-template-columns:1fr 300px;gap:60px;padding-top:45px;padding-bottom:40px;align-items:start}.detail-hero h1{font-size:clamp(2rem,3.8vw,3.1rem);line-height:1.5;letter-spacing:-.03em}.price-box{padding:26px;background:var(--tech-light);border-radius:16px}.big-price{font-size:2.7rem;font-weight:700;margin:16px 0}.big-price small{display:block;font-size:.85rem;font-weight:400}.scene-card{background:#fff;border:1px solid var(--tech-line);border-radius:14px;padding:28px}.scene-card h3{font-size:1.2rem;line-height:1.65}.result-box{margin-top:20px}blockquote{margin:24px 0;border-left:4px solid #7f995d;padding:12px 0 12px 20px;line-height:1.9;font-size:1.07rem}.use-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-left:24px}.purchase-strip{border-top:1px solid var(--tech-line);border-bottom:1px solid var(--tech-line);padding:35px 0;display:flex;align-items:center;justify-content:space-between;gap:28px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #486cbe;outline-offset:4px}.tech-entry{margin:35px 0;padding:30px;border:1px solid var(--tech-line);border-radius:16px;background:#e8efdf}.tech-entry h2{margin-top:0}details{margin-top:28px}details p{line-height:1.9}@media(max-width:700px){.tech-intro{padding-top:35px}.feature-story{grid-template-columns:1fr;padding:24px;gap:24px}.category-grid,.catalog-grid,.detail-hero,.use-steps{grid-template-columns:1fr}.category{padding:18px}.detail-hero{gap:25px;padding-top:28px}.price-box{max-width:none}.tech-card{padding:22px}.card-bottom{flex-wrap:wrap}.purchase-strip{display:block}.purchase-strip .button{margin-top:16px}.search-bar label{width:100%}.search-bar input{min-width:100px}.flow-art li{padding:16px}.intro-price{gap:6px}.category strong{font-size:1rem}.breadcrumb{gap:7px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}