:root{--primary-green:#176b45;--primary-green-dark:#0d4f33;--primary-green-light:#e8f2ec;--primary-blue:#1769aa;--bg-white:#ffffff;--text-primary:#202a25;--text-secondary:#536159;--container-max-width:1120px;--transition-fast:0.2s ease}*{margin:0;padding:0;box-sizing:border-box}html{background:#f2f5f3;scroll-behavior:smooth}body{width:100%;max-width:var(--container-max-width);min-height:100vh;margin:0 auto;background:var(--bg-white);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}body.nav-open{position:fixed;width:100%;overflow:hidden;touch-action:none}h1,h2,h3,h4,h5{margin-top:0;letter-spacing:0;text-wrap:balance}h2{margin:3.5rem 0 1rem;color:var(--primary-green-dark);font-size:1.65rem;line-height:1.4}h3{margin-top:2rem;color:var(--primary-green-dark);font-size:1.25rem;line-height:1.45}h3.subsection-title{display:flex;margin:2.25rem 0 1.25rem;align-items:center;gap:0.75rem;color:var(--primary-green-dark);font-size:1.3rem;text-align:left}h3.subsection-title .section-number{display:inline-flex;min-width:48px;min-height:34px;padding:0.3rem 0.55rem;flex:0 0 auto;align-items:center;justify-content:center;border-radius:5px;background:var(--primary-green);color:#fff;font-size:0.92rem;font-weight:750;line-height:1.2}h1{color:var(--primary-green-dark);font-size:2.35rem;line-height:1.28}p{margin-top:1rem;color:var(--text-primary);font-size:1rem;line-height:1.8}a{color:var(--primary-blue);font-size:inherit;text-underline-offset:3px;text-decoration-thickness:1px}section{margin:0 1.5rem 4.5rem}.news-section,.recommended-products-section{max-width:none;padding:0;border-radius:0;background:transparent;box-shadow:none}.news-item p{margin:0}.news-item{margin:0;padding:1.2rem;border-top:1px solid #dce5df;border-right:1px solid #dce5df;border-bottom:1px solid #dce5df;border-left:4px solid var(--primary-green);border-radius:0 6px 6px 0;background:#fafcfb;box-shadow:none}img{display:block;max-width:100%;height:auto}.skip-link{position:absolute;top:-40px;left:0;z-index:9999}.skip-link:focus{position:static;display:block;padding:10px;background:#fff;border:1px solid #000}header{position:relative;min-height:82px;padding:0.85rem 2.25rem;display:flex;align-items:center;gap:0;border-top:3px solid var(--primary-green);border-bottom:1px solid #dce5df;background:#fff}.logo-container{width:112px;height:52px;flex-shrink:0}.logo-container a{display:flex;width:100%;height:100%;align-items:center}.logo-container img{width:100%;height:100%;object-fit:contain}.site-title{display:flex;margin-left:1rem;flex-direction:column;color:#203129;font-size:1.42rem;font-weight:750;line-height:1.2}.site-title::after{margin-top:0.3rem;content:"工業材料・環保綠能方案";color:#6a796f;font-size:0.72rem;font-weight:500;line-height:1.3}#nav1{position:sticky;z-index:900;top:0;display:flex;min-height:58px;justify-content:center;overflow:visible;border-bottom:1px solid rgba(198,213,204,0.9);background:rgba(255,255,255,0.96)}#nav1 ul,#nav2 ul{margin:0;padding:0;list-style:none}#nav1 ul{display:flex;min-height:58px;flex-wrap:wrap;align-items:stretch;justify-content:center}#nav1 li{display:flex;align-items:stretch}#nav1 li a{position:relative;display:flex;padding:0.95rem 1.18rem;align-items:center;border-bottom:0;color:#2d3c34;font-size:0.96rem;font-weight:650;line-height:1.4;text-decoration:none}#nav1 li a::after{position:absolute;right:1.15rem;bottom:0;left:1.15rem;height:3px;content:"";border-radius:3px 3px 0 0;background:var(--primary-green);transform:scaleX(0);transform-origin:center;transition:transform var(--transition-fast)}#nav1 li a.is-active,#nav1 li a[aria-current="page"]{color:var(--primary-green-dark);background:#f5f9f6}.menu-toggle{display:none;width:48px;height:48px;padding:0;overflow:hidden;border:1px solid #cddbd2;border-radius:6px;background:#fff;color:transparent;box-shadow:0 2px 8px rgba(19,50,34,0.08);font-size:0;line-height:0}.menu-toggle::before,.menu-toggle::after{position:absolute;top:50%;left:50%;width:22px;height:2px;content:"";border-radius:2px;background:var(--primary-green-dark)}.menu-toggle::before{transform:translate(-50%,-7px);box-shadow:0 7px 0 var(--primary-green-dark),0 14px 0 var(--primary-green-dark)}#nav2{margin:0;padding:0.8rem 1.5rem;border-bottom:1px solid #dce7e0;background:#f4f8f5}#nav2 ul{display:flex;flex-wrap:wrap;gap:0.65rem;align-items:center}#nav2 li{color:var(--text-secondary);font-size:0.88rem}#nav2 li:not(:last-child)::after{margin-left:0.65rem;content:">";color:#91a096}#nav2 a{color:#34443b;font-size:0.88rem;text-decoration:none}.hero-section{position:relative;z-index:0;display:flex;min-height:380px;margin:1.5rem;padding:clamp(3.25rem,6vw,5.25rem) clamp(1.5rem,6vw,5rem);overflow:hidden;flex-direction:column;align-items:flex-start;justify-content:center;border:1px solid #d5e3da;border-radius:6px;background:var(--hero-background-image,none) center / cover no-repeat,#f4f8f5;text-align:left}.hero-section::before{position:absolute;z-index:-1;inset:0;content:"";background:linear-gradient(90deg,rgba(255,255,255,0.97) 0%,rgba(255,255,255,0.91) 55%,rgba(255,255,255,0.56) 100%)}.hero-section>*{max-width:780px}.hero-section h1{max-width:820px;margin:0;color:#123b2b;font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.3;text-align:left}.hero-section>p{max-width:760px;margin:1.1rem 0 0;color:#354b40;font-size:1.04rem;line-height:1.82}.hero-section:not(.home-hero){background-position:center}.hero-section:not(.home-hero) h1{max-width:820px;margin:0;text-align:left}.hero-section:not(.home-hero)>p{max-width:760px;margin:1.1rem 0 0;text-align:left}.hero-section:not(.home-hero) .cta-container{justify-content:flex-start}.hero-section:not(.home-hero) .cta-button{min-width:0;margin:0;padding:0.78rem 1.35rem;font-size:0.96rem}.cta-container{display:flex;margin:1.65rem 0 0;flex-wrap:wrap;gap:0.75rem;align-items:stretch;justify-content:flex-start}.cta-button{display:inline-flex;min-width:0;min-height:44px;margin:0;padding:0.78rem 1.35rem;align-items:center;justify-content:center;border:2px solid transparent;border-radius:6px;background:var(--primary-green);box-shadow:rgba(23,107,69,0.18) 0 3px 10px;color:#fff !important;font-size:0.96rem;font-weight:700;line-height:1.4;text-align:center;text-decoration:none !important}.hero-section .cta-button{min-width:190px;padding:0.8rem 1.5rem;font-size:1rem}.cta-button.secondary-cta{border-color:var(--primary-green);background:#fff;color:var(--primary-green) !important}.home-hero{min-height:420px;align-items:flex-start;justify-content:center;background-position:center;text-align:left}.home-hero::before{background:linear-gradient(90deg,rgba(255,255,255,0.98) 0%,rgba(255,255,255,0.93) 50%,rgba(255,255,255,0.58) 100%)}.home-hero>*{position:relative;z-index:1;max-width:760px}.home-eyebrow{margin:0 0 0.65rem;color:#176b45;font-size:0.83rem;font-weight:760;line-height:1.5}.home-hero h1{max-width:920px;margin:0;color:#123b2b;font-size:clamp(2rem,3.15vw,2.6rem);line-height:1.26;text-align:left}.home-hero-summary{max-width:790px;margin:0;color:#31483d;font-size:1.08rem;line-height:1.88;text-align:left}.home-hero .cta-button{margin:0}@media (max-width:767px){html{background:#fff}body{box-shadow:none}header{position:sticky;z-index:1000;top:0;min-height:70px;padding:0.55rem 4.5rem 0.55rem 1rem;box-shadow:0 5px 18px rgba(19,50,34,0.08)}.logo-container{width:90px;height:44px}.site-title{margin-left:0.7rem;font-size:1.08rem}.site-title::after{margin-top:0.18rem;font-size:0.64rem}.menu-toggle{position:absolute;top:9px;right:12px;display:block}#nav1{position:fixed;z-index:999;inset:70px 0 0;width:100%;min-height:calc(100dvh - 70px);padding:1.1rem 1rem 2rem;justify-content:flex-start;overflow-x:hidden;overflow-y:auto;border:0;background:rgba(247,250,248,0.98);transform:translateY(-16px);opacity:0;visibility:hidden}#nav1.open{transform:translateY(0);opacity:1;visibility:visible}#nav1 ul{width:100%;max-width:440px;min-height:0;margin:0 auto;flex-wrap:nowrap;flex-direction:column}#nav1 li{width:100%;border-bottom:1px solid #d9e5dd}#nav1 li a{width:100%;min-height:58px;margin:0;padding:1rem 1.05rem;justify-content:space-between;color:#26372e;font-size:1.03rem;text-align:left}#nav1 li a::before{order:2;content:">";color:#819087;font-size:1.35rem;font-weight:400}#nav1 li a::after{inset:10px auto 10px 0;width:4px;height:auto;transform:scaleY(0)}#nav1 li a.is-active,#nav1 li a[aria-current="page"]{padding-left:1.25rem;background:#eaf3ed;font-weight:750}#nav2{padding:0.65rem 1rem}.hero-section{min-height:300px;margin:0.75rem;padding:2.75rem 1.25rem 2.35rem;border:1px solid #d5e3da;border-radius:6px;background-position:center}.hero-section::before{background:rgba(255,255,255,0.9)}.hero-section h1{font-size:1.72rem}.hero-section>p{font-size:0.98rem;line-height:1.78}.hero-section:not(.home-hero){min-height:300px;margin:0.75rem;padding:2.75rem 1.25rem 2.35rem}.hero-section:not(.home-hero) h1{font-size:1.72rem;line-height:1.34}.hero-section:not(.home-hero)>p{font-size:0.98rem;line-height:1.78}.hero-section:not(.home-hero) .cta-container,.hero-section:not(.home-hero) .cta-button{width:100%}.hero-section:not(.home-hero) .cta-button{display:inline-flex;align-items:center;justify-content:center}body.contact-page #contact-information .contact-grid-wrapper{display:grid;max-width:720px;margin:1.5rem auto 0;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}body.contact-page #contact-information .contact-card{min-width:0;min-height:168px;padding:1.25rem 1rem;justify-content:center}section{margin:0 1rem 3.5rem}h2{margin-top:2.75rem;font-size:1.45rem}h3{font-size:1.15rem}h3.subsection-title{margin-top:2rem;align-items:flex-start;gap:0.65rem;font-size:1.18rem}h3.subsection-title .section-number{min-width:44px;min-height:32px;margin-top:0.05rem;padding:0.28rem 0.48rem;font-size:0.86rem}.hero-section .cta-container,.hero-section .cta-button{width:100%}.hero-section .cta-button{display:inline-flex;max-width:300px;align-items:center;justify-content:center}.home-hero{min-height:0;margin:0.75rem;padding:2.25rem 1.1rem 1.5rem;background-position:54% top}.home-hero::before{background:linear-gradient(180deg,rgba(255,255,255,0.91) 0%,rgba(255,255,255,0.93) 62%,rgba(247,251,248,0.98) 100%)}.home-hero .home-eyebrow{width:100%;margin:0 0 0.75rem;color:#315244;font-size:0.78rem;text-align:left}.home-hero h1{font-size:1.68rem;line-height:1.35}.home-hero .home-hero-summary{margin:1rem 0 0;font-size:0.95rem;line-height:1.7}.home-hero .cta-container{margin-top:1.2rem;gap:0.6rem}.home-hero .cta-container,.home-hero .cta-button{width:100%}.home-hero .cta-button{min-height:46px;padding:0.68rem 1rem;font-size:0.92rem}}@media (min-width:901px){.hero-section:not(.home-hero) h1,.home-hero h1{max-width:820px;font-size:2.45rem;line-height:1.3}.hero-section:not(.home-hero)>p{margin:1.1rem 0 0}}.toc-container{display:grid;grid-template-columns:1fr auto;width:auto;max-width:960px;margin:-1.5rem auto 4rem;padding:1.25rem;overflow:hidden;border:1px solid #d6e3da;border-left:4px solid var(--primary-green);border-radius:7px;background:#f4f8f5;box-shadow:0 8px 24px rgba(21,45,32,0.07);text-align:left}.hero-section + .toc-container,.hero-section + script + .toc-container,.hero-section + article>.toc-container:first-of-type{margin-top:1.5rem}.toc-container h2.toc-title{display:flex;margin:0 0 1rem;padding:0;align-items:center;gap:0.65rem;border:0;color:var(--primary-green-dark);font-size:1.08rem;font-weight:750;line-height:1.4}.toc-container h2.toc-title::before{width:1.05rem;height:0.78rem;flex:0 0 1.05rem;content:"";border-block:2px solid var(--primary-green);background:linear-gradient(to bottom,transparent 0,transparent calc(50% - 1px),var(--primary-green) calc(50% - 1px),var(--primary-green) calc(50% + 1px),transparent calc(50% + 1px))}.toc{display:grid;grid-column:1 / -1;grid-template-columns:repeat(2,minmax(0,1fr));gap:0.55rem;margin:0;padding:0;list-style:none}.toc li{min-width:0;margin:0}.toc a{display:flex;min-height:46px;padding:0.7rem 0.85rem;align-items:center;justify-content:space-between;gap:0.75rem;border:1px solid #dce7e0;border-radius:6px;background:#fff;color:#31443a;font-size:0.91rem;font-weight:600;line-height:1.55;text-decoration:none}.toc a::after{flex:0 0 auto;content:"↓";color:#4e6b5a;font-size:0.85rem;font-weight:500}.toc-toggle{display:none;min-width:104px;min-height:40px;padding:0.5rem 0.75rem;align-items:center;justify-content:center;gap:0.45rem;border:1px solid #bfd2c5;border-radius:6px;background:#fff;color:var(--primary-green-dark);font:inherit;font-size:0.86rem;font-weight:700}.toc-toggle::after{width:0.48rem;height:0.48rem;content:"";border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px)}@media (max-width:767px){.toc-container{margin:-1.25rem 1rem 3rem;padding:1rem;border-left-width:3px;box-shadow:0 5px 16px rgba(21,45,32,0.06)}.hero-section + .toc-container,.hero-section + script + .toc-container,.hero-section + article>.toc-container:first-of-type{margin-top:1rem}.toc-container h2.toc-title{margin:0;padding-right:0.75rem;font-size:1rem}.toc-toggle{display:inline-flex}.toc{grid-template-columns:1fr;gap:0.5rem;margin-top:1rem}.toc-container.is-collapsed .toc{display:none}.toc a{min-height:48px;padding:0.75rem 0.85rem;font-size:0.92rem}}