:root{--color-white: #ffffff;--color-black: #333333;--color-gray: #f5f5f5;--color-text: #333333;--color-border: #e0e0e0;--font-base: "Noto Sans JP", sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-base);color:var(--color-text);background-color:var(--color-white);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:opacity .3s}a:hover{opacity:.7}ul{list-style:none;margin:0;padding:0}.container{max-width:1000px;margin:0 auto;padding:0 20px}.header{position:fixed;top:0;left:0;width:100%;background-color:#fffffff2;box-shadow:0 1px 3px #0000000d;z-index:100;height:60px;display:flex;align-items:center}.header-container{width:100%;display:flex;justify-content:space-between;align-items:center}.logo-link{font-weight:700;font-size:1.2rem;letter-spacing:.05em}.nav-list{display:flex;gap:20px}.nav-link{font-size:.9rem;font-weight:500}.kv{height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--color-white)}.kv-logo{max-width:300px;width:80%;height:auto;display:block}.section{padding:80px 0}.section-title{font-size:1.8rem;text-align:center;margin-bottom:40px;font-weight:700}.text-center{text-align:center}.company{background-color:var(--color-gray)}.company-list{max-width:600px;margin:0 auto;border-top:1px solid var(--color-border)}.company-item{display:flex;padding:15px 0;border-bottom:1px solid var(--color-border)}.company-item dt{width:100px;font-weight:700}.company-item dd{margin:0;flex:1}.business-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:30px;max-width:1000px;margin:0 auto}@media(min-width:768px){.business-grid{grid-template-columns:repeat(3,1fr)}}.business-card{background-color:var(--color-white);border:1px solid var(--color-border);border-radius:8px;overflow:hidden;transition:transform .3s,box-shadow .3s}.business-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000001a}.business-content{padding:20px}.business-title{font-size:1.1rem;font-weight:700;margin:0 0 15px;line-height:1.4;min-height:3em}.business-text{font-size:.9rem;color:#666;margin:0;line-height:1.6}.business,.contact{background-color:var(--color-white)}.contact-btn-wrapper{margin-top:30px;text-align:center}.btn{display:inline-block;padding:12px 40px;background-color:var(--color-black);color:var(--color-white);border-radius:4px;font-weight:700}.footer{padding:20px 0;background-color:var(--color-black);color:var(--color-white);text-align:center;font-size:.8rem}.copyright{margin:0}@media(max-width:768px){.section{padding:60px 0}.section-title{font-size:1.5rem;margin-bottom:30px}.header{height:auto;padding:10px 0}.header-container{flex-direction:column;gap:10px}.nav-list{gap:15px;font-size:.8rem}.company-item{flex-direction:column}.company-item dt{width:100%;margin-bottom:5px}}