:root{--color-primary: #2E7D32;--color-secondary: #66BB6A;--color-accent: #FFA726;--color-surface: #F1F8E9;--color-text-main: #333333;--color-text-light: #666666;--color-background: #FFFFFF;--color-white: #FFFFFF;--color-border: #E0E0E0;--font-family-base: "BIZ UDPGothic", "Helvetica Neue", Arial, sans-serif;--font-size-base: 16px;--line-height-base: 1.6;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--container-width: 1000px;--header-height: 80px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--spacing-xl: 6rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-padding-top:calc(var(--header-height) + 20px);scroll-behavior:smooth}body{font-family:var(--font-family-base);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text-main);background-color:var(--color-background);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none;transition:color .3s ease}a:hover{color:var(--color-secondary)}img{max-width:100%;height:auto;display:block}ul{list-style:none}.container{width:90%;max-width:var(--container-width);margin:0 auto;padding:0}.section{padding:var(--spacing-lg) 0}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:4px;font-weight:700;text-align:center;transition:all .3s ease;cursor:pointer}.btn-primary{background-color:var(--color-primary);color:#fff;border:2px solid var(--color-primary)}.btn-primary:hover{background-color:var(--color-secondary);border-color:var(--color-secondary)}.btn-outline{background-color:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background-color:var(--color-surface)}.site-header{background-color:#fffffff2;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;height:var(--header-height);display:flex;align-items:center}.site-header .container{display:flex;justify-content:flex-start;align-items:center;height:100%}@media(min-width:769px){.main-nav>ul>li:first-child>a{padding-left:0}}.image-modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#000c;align-items:center;justify-content:center}.image-modal.open{display:flex}.image-modal-content{max-width:90%;max-height:90%}.clickable-card{cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative;display:flex;flex-direction:column}.clickable-card:hover{transform:translateY(-3px);box-shadow:0 6px 12px #00000026}.click-hint{font-size:.8rem;color:#999;margin-top:auto;padding-top:10px;text-align:right}.close-modal{position:absolute;top:15px;right:25px;color:#f1f1f1;font-size:40px;font-weight:700;cursor:pointer;transition:.3s;z-index:2001}.close-modal:hover,.close-modal:focus{color:#bbb;text-decoration:none;cursor:pointer}.main-nav>ul{display:flex;gap:20px}.main-nav a{color:var(--color-text-main);font-weight:500;padding:10px}.main-nav a:hover,.main-nav a.active{color:var(--color-primary)}.main-nav li{position:relative}.dropdown-menu{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);background-color:#fff;min-width:200px;box-shadow:var(--shadow-md);border-radius:4px;padding:10px 0;z-index:1001}.main-nav li:hover .dropdown-menu{display:block}.dropdown-menu li{display:block;width:100%}.dropdown-menu a{display:block;padding:10px 20px;white-space:nowrap}.dropdown-menu a:hover{background-color:var(--color-surface)}.mobile-menu-toggle{display:none;font-size:1.5rem;background:none;border:none;cursor:pointer}.main-nav a[href="/contact/"]{border:2px solid #0288D1;border-radius:4px;color:#01579b;padding:8px 16px;margin-left:10px;transition:all .3s ease}.main-nav a[href="/contact/"]:hover{background-color:#e1f5fe;color:#0277bd}.main-nav a.btn-nav-download{color:#fff;background-color:var(--color-primary);padding:8px 16px;border-radius:4px;transition:background-color .3s ease;margin-left:10px}.main-nav a.btn-nav-download:hover{background-color:var(--color-secondary);color:#fff}.hero{position:relative;height:600px;background:linear-gradient(#0000001a,#0000001a),url(/assets/images/common/header-img-final.jpg) center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:var(--color-white);text-align:center}.hero-content h1{font-size:3rem;margin-bottom:var(--spacing-sm);text-shadow:0 2px 4px rgba(0,0,0,.5)}.hero-content p{font-size:1.5rem;margin-bottom:var(--spacing-md);text-shadow:0 1px 2px rgba(0,0,0,.5)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-md)}@media(min-width:769px){.features-grid{grid-template-columns:repeat(3,1fr)}}.feature-card{background:var(--color-white);padding:var(--spacing-md);border-radius:8px;box-shadow:var(--shadow-sm);text-align:center}.feature-card img{margin:0 auto var(--spacing-sm);max-height:80px}#procedure .feature-card img{max-height:160px}.content-block{max-width:800px;margin:0 auto;line-height:1.8}.content-block h2{color:var(--color-primary);margin-bottom:var(--spacing-md);font-size:2rem;text-align:center}.content-block p{margin-bottom:var(--spacing-sm)}.news-section{padding:30px 0}.news-section .container{max-width:700px}.news-section .section-heading{font-size:1.4rem;margin-bottom:15px;border-bottom-width:1px}.news-section h3{font-size:1.1rem}.site-footer{background-color:#1a1a1a;color:#ccc;padding:var(--spacing-lg) 0;margin-top:var(--spacing-xl)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-md)}.footer-section h3{color:var(--color-white);margin-bottom:var(--spacing-sm);font-size:1.2rem}.footer-section ul li{margin-bottom:.5rem}.footer-section a{color:#ccc}.footer-section a:hover{color:var(--color-white)}.copyright{text-align:center;border-top:1px solid #333;padding-top:var(--spacing-md);font-size:.9rem}@media(max-width:768px){.mobile-menu-toggle{display:block}.main-nav{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-white);box-shadow:var(--shadow-md);padding:0 var(--spacing-sm) var(--spacing-sm) var(--spacing-sm);margin-top:0}.main-nav.open{display:block}.main-nav>ul{flex-direction:column;gap:var(--spacing-sm)}.hero{height:300px}.hero-content h1{font-size:1.5rem;white-space:nowrap}.hero-content p{font-size:1rem}.content-block h2{font-size:1.5rem}:root{--spacing-lg: 2rem;--spacing-xl: 4rem}.main-nav li{width:100%}.dropdown-menu{position:static;width:100%;transform:none;box-shadow:none;border:1px solid var(--color-border);background-color:#f9f9f9;padding-left:20px;margin-top:5px}.dropdown-menu a{padding:8px 15px}}.product-hero{padding-top:40px;padding-bottom:20px;background-color:var(--color-surface)}.product-hero h1{color:var(--color-primary);font-size:2.5rem;margin-bottom:10px}.product-hero p{font-size:1.5rem;color:#666}.toc-container{background:#f5f5f5;padding:20px;border-radius:8px;margin-bottom:40px}.toc-list{display:flex;gap:20px;flex-wrap:wrap}.toc-list.center{justify-content:center}.section-heading{border-bottom:2px solid var(--color-primary);padding-bottom:10px;margin-bottom:20px}.section-heading.left-bar{border-bottom:none;border-left:5px solid var(--color-primary);padding-left:15px;margin-bottom:30px;color:var(--color-primary)}.product-table{width:100%;border-collapse:collapse;margin-bottom:20px}.product-table th,.product-table td{padding:10px;border:1px solid #ddd}.product-table th{background-color:#f5f5f5}.product-table td.center{text-align:center}.design-note{background-color:#e3f2fd;padding:15px;border-radius:4px;margin-bottom:20px}.product-list-image,.product-main-img{width:100%;border-radius:8px}.product-figure{margin:0;position:relative}.product-list{list-style-type:disc;padding-left:20px;line-height:1.8}.product-list li{margin-bottom:10px}.section-bg-gray{background-color:#f0f4f8}.flex-center{display:flex;justify-content:center}.certification-card{max-width:400px;width:100%}.content-card{background-color:var(--color-white);padding:40px;border-radius:8px;box-shadow:0 4px 15px #0000000d;max-width:900px;margin:0 auto}@media(max-width:768px){.content-card{padding:20px}}.policy-section{margin-bottom:40px}.policy-section:last-child{margin-bottom:0}.policy-section h3{font-size:1.5rem;color:var(--color-primary);border-bottom:2px solid var(--color-surface);padding-bottom:10px;margin-bottom:20px}.policy-list{counter-reset:policy-counter;list-style:none;padding-left:0}.policy-list li{position:relative;padding-left:40px;margin-bottom:15px;line-height:1.8}.policy-list li:before{counter-increment:policy-counter;content:counter(policy-counter);position:absolute;left:0;top:0;width:28px;height:28px;background-color:var(--color-surface);color:var(--color-primary);border-radius:50%;text-align:center;line-height:28px;font-weight:700;font-size:.9rem}.address-box{background-color:var(--color-surface);padding:20px;border-radius:4px;margin-top:20px}.sitemap-list{list-style:none;padding:0}.sitemap-list>li{margin-bottom:20px;font-size:1.1rem;font-weight:700}.sitemap-list a{text-decoration:none;color:var(--color-text-main);transition:color .3s}.sitemap-list a:hover{color:var(--color-primary)}.sitemap-list ul{list-style:none;padding-left:20px;margin-top:10px}.sitemap-list ul li{margin-bottom:10px;font-weight:400;font-size:1rem}.sitemap-list ul li a:before{content:"・";margin-right:5px;color:var(--color-primary)}.image-caption{position:absolute;bottom:0;right:0;color:#ffffffe6;background:#0006;padding:2px 8px;font-size:.8rem;font-weight:300;border-bottom-right-radius:8px;border-top-left-radius:4px;pointer-events:none}.mb-10{margin-bottom:10px}.mb-20{margin-bottom:20px}.mb-40{margin-bottom:40px}.mb-60{margin-bottom:60px}.mt-10{margin-top:10px}.mt-40{margin-top:40px}.w-full{max-width:100%}.text-primary{color:var(--color-primary)}.features-grid-2col{grid-template-columns:1fr 1fr}.note-box{background-color:#e3f2fd;padding:15px;border-radius:4px;margin-bottom:20px}.drawing-image{margin-top:10px}.pdf-download-box{margin-top:40px;text-align:center}.pdf-download-link{display:block;width:25%;margin:0 auto;border:1px solid #e0e0e0}@media(max-width:768px){.features-grid-2col{grid-template-columns:1fr}.pdf-download-link{width:60%}}.text-light{color:#666}.text-sm{font-size:.9em}.text-blue{color:#1976d2}.cursor-pointer{cursor:pointer}.w-30p{width:30%}.border-none{border:none!important}.ratio-4-3{aspect-ratio:4 / 3;object-fit:cover}@media(min-width:769px){.grid-2fr-1fr{grid-template-columns:2fr 1fr}}.feature-card.portfolio-card .portfolio-img{max-height:none;width:100%;height:auto;aspect-ratio:3 / 2;object-fit:cover;border-radius:8px;margin-bottom:15px}