:root{--color-bg: #ffffff;--color-text: #1a1a1a;--color-primary: #D32F2F;--color-secondary: #263238;--color-accent: #f5f5f5;--color-muted: #757575;--font-main: "Inter", sans-serif;--font-heading: "Noto Sans JP", sans-serif;--spacing-unit: 1rem;--container-width: 1200px;--border-radius: 8px;--shadow: 0 4px 6px rgba(0, 0, 0, .05);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;scroll-behavior:smooth}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2}a{text-decoration:none;color:inherit;transition:var(--transition)}ul{list-style:none}.container{max-width:var(--container-width);margin:0 auto;padding:0 var(--spacing-unit)}.header{position:fixed;top:0;left:0;width:100%;padding:1rem 0;background-color:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;box-shadow:0 1px #0000000d}.header .container{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--color-secondary)}.logo-text{color:var(--color-primary)}.nav-list{display:flex;gap:2rem;align-items:center}.nav-link{font-size:.95rem;font-weight:500;color:var(--color-secondary)}.nav-link:hover{color:var(--color-primary)}.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:4px}.bar{width:24px;height:2px;background-color:var(--color-secondary);transition:var(--transition)}.hero{padding:120px 0 80px;min-height:80vh;display:flex;align-items:center;position:relative;overflow:hidden}.hero-content{text-align:center;max-width:800px;z-index:1}.hero-title{font-size:3.5rem;margin-bottom:1.5rem;color:var(--color-secondary)}.highlight{color:var(--color-primary);position:relative;display:inline-block}.hero-subtitle{font-size:1.25rem;color:var(--color-muted);margin-bottom:2.5rem}.hero-actions{display:flex;gap:1rem;justify-content:center}.btn{display:inline-block;padding:.8rem 2rem;border-radius:var(--border-radius);font-weight:600;cursor:pointer;border:none;transition:var(--transition)}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:#b71c1c;transform:translateY(-2px);box-shadow:var(--shadow)}.btn-secondary{background-color:transparent;color:var(--color-secondary);border:1px solid var(--color-secondary)}.btn-secondary:hover{background-color:var(--color-secondary);color:#fff;transform:translateY(-2px)}.section{padding:80px 0}.section-header{text-align:center;margin-bottom:3rem}.section-title{font-size:2.5rem;margin-bottom:.5rem;color:var(--color-secondary)}.section-subtitle{color:var(--color-muted);font-size:1.1rem}.about{background-color:var(--color-accent)}.about-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.about-text p{margin-bottom:1.5rem;font-size:1.1rem}.image-placeholder{width:100%;padding-bottom:100%;background-color:#e0e0e0;border-radius:var(--border-radius);position:relative;display:flex;justify-content:center;align-items:center}.image-placeholder span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#757575;font-weight:500}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.service-card{background:#fff;padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition);border-top:3px solid transparent}.service-card:hover{transform:translateY(-5px);border-top-color:var(--color-primary)}.service-card .icon{font-size:2.5rem;margin-bottom:1rem}.service-card h3{margin-bottom:.5rem;color:var(--color-secondary)}.contact-wrapper{display:grid;grid-template-columns:1fr 2fr;gap:4rem}.info-item{margin-bottom:2rem}.info-item h3{font-size:1.1rem;margin-bottom:.5rem;color:var(--color-primary)}.contact-form{background:#fff;padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;font-family:var(--font-heading)}.form-group input,.form-group textarea{width:100%;padding:.8rem;border:1px solid #ddd;border-radius:4px;font-family:var(--font-main);transition:var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary)}.footer{background-color:var(--color-secondary);color:#fff;padding:2rem 0;text-align:center;font-size:.9rem}@media(max-width:768px){.hero-title{font-size:2.5rem}.about-content,.contact-wrapper{grid-template-columns:1fr;gap:2rem}.mobile-menu-btn{display:flex}.nav-list{position:absolute;top:100%;left:0;width:100%;background-color:#fff;flex-direction:column;padding:1rem;gap:1rem;box-shadow:0 4px 6px #0000001a;transform:translateY(-10px);opacity:0;pointer-events:none;transition:var(--transition)}.nav-list.active{transform:translateY(0);opacity:1;pointer-events:auto}}.about-list{list-style:none;margin-bottom:1.5rem}.about-list li{position:relative;padding-left:1.5rem;margin-bottom:.5rem}.about-list li:before{content:"•";color:var(--color-primary);font-weight:700;position:absolute;left:0}