:root{font-family:Noto Sans JP,Helvetica Neue,Arial,sans-serif;line-height:1.6;font-weight:400;color:#333;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}a{text-decoration:none;color:#3498db;transition:color .3s ease}a:hover{color:#2980b9}body{margin:0;padding:0;min-width:320px;min-height:100vh;overflow-x:hidden}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #3498db;--secondary-color: #2c3e50;--accent-color: 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th{background-color:var(--secondary-color);color:#fff}.comparison-table tr:last-child td{border-bottom:none}.service-links{margin-top:auto;padding-top:1rem}.service-link-btn{display:inline-block;padding:.6rem 1.2rem;background-color:var(--primary-color);color:#fff;text-decoration:none;border-radius:4px;transition:background-color .3s}.service-link-btn:hover{background-color:#2980b9}@media (max-width: 768px){.header{flex-direction:column;padding:1rem}.logo-container{margin-bottom:.5rem;justify-content:center}.company-logo{height:40px}.logo-container h1{font-size:1.5rem}.main-nav{margin-top:1rem;width:100%}.main-nav ul{flex-direction:column;text-align:center}.main-nav li{margin:.5rem 0}.hero-content h2{font-size:2.2rem}.info-item{flex-basis:100%}.services-grid{grid-template-columns:1fr}.comparison-table{font-size:.9rem}.comparison-table th,.comparison-table td{padding:.7rem}.tech-grid,.benefits-grid,.features-grid{grid-template-columns:1fr}}.hamburger{display:none;border:none;background:transparent;cursor:pointer;padding:5px;width:40px;height:40px;position:relative;z-index:1001}.hamburger span{display:block;width:30px;height:3px;margin:5px auto;background-color:#fff;transition:all .3s ease-in-out}.hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}@media (max-width: 768px){.header.mobile{flex-direction:row;justify-content:space-between;align-items:center;padding:.8rem;position:relative;z-index:1000}.logo-container{margin-bottom:0!important;justify-content:flex-start!important}.company-logo{height:40px}.logo-container h1{font-size:1.2rem}.hamburger{display:block}.main-nav{position:absolute;top:100%;left:0;right:0;background-color:var(--secondary-color);width:100%;height:auto;max-height:0;overflow:hidden;transition:max-height .4s ease;z-index:1000;box-shadow:0 5px 10px #0003}.main-nav.open{max-height:500px;padding:1rem 0;transition:max-height .5s ease}.main-nav ul{flex-direction:column;padding:0 1rem;margin:0}.main-nav li{margin:.7rem 0;width:100%}.main-nav a{display:block;padding:.5rem;width:100%;text-align:left}.dropdown-content{position:relative;width:100%;background-color:#263545;box-shadow:none;border-top:none;margin-top:.5rem;margin-bottom:.5rem;padding-left:1rem}.dropdown-content a{padding:.5rem;color:#eee}.dropdown:hover .dropdown-content{display:none}.dropdown.active .dropdown-content{display:block}}