:root{--primary-color: #4F46E5;--primary-hover: #4338CA;--secondary-color: #10B981;--accent-color: #F59E0B;--bg-color: #FFFFFF;--bg-light: #F3F4F6;--text-main: #1F2937;--text-muted: #6B7280;--border-color: #E5E7EB;--white: #ffffff;--black: #000000;--font-heading: "Inter", sans-serif;--font-body: "Noto Sans JP", sans-serif;--container-width: 1200px;--header-height: 70px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: 1rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--text-main);line-height:1.6;background-color:var(--bg-color)}a{text-decoration:none;color:inherit;transition:color .2s}ul{list-style:none}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;margin-bottom:1rem}.container{max-width:var(--container-width);margin:0 auto;padding:0 1.5rem}.text-success{color:var(--secondary-color)}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;text-align:center;cursor:pointer;transition:all .3s ease}.btn-primary{background-color:var(--primary-color);color:var(--white)}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background-color:var(--bg-light);color:var(--text-main)}.btn-secondary:hover{background-color:#e5e7eb}.btn-outline{border:1px solid var(--primary-color);color:var(--primary-color);background:transparent}.btn-outline:hover{background-color:var(--primary-color);color:var(--white)}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.site-header{height:var(--header-height);background-color:#fffffff2;backdrop-filter:blur(10px);position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:var(--shadow-sm);display:flex;align-items:center}.site-header .container{display:flex;justify-content:space-between;align-items:center;width:100%}.logo{font-size:1.5rem;font-weight:800;color:var(--primary-color);letter-spacing:-.025em}.main-nav ul{display:flex;gap:2rem}.main-nav a{font-weight:500;color:var(--text-main)}.main-nav a:hover{color:var(--primary-color)}.hero{margin-top:var(--header-height);padding:5rem 0;background:linear-gradient(135deg,#f9fafb,#eff6ff);position:relative;overflow:hidden}.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:1}.hero h1{font-size:3.5rem;letter-spacing:-.025em;color:#111827;margin-bottom:1.5rem}.hero p{font-size:1.25rem;color:var(--text-muted);margin-bottom:2.5rem;max-width:540px}.hero-actions{display:flex;gap:1rem}.visual-placeholder{width:100%;height:400px;background:linear-gradient(45deg,var(--primary-color),#818CF8);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;color:#fff;font-size:5rem;box-shadow:var(--shadow-lg);transform:perspective(1000px) rotateY(-5deg);transition:transform .5s ease}.visual-placeholder:hover{transform:perspective(1000px) rotateY(0)}section{padding:5rem 0}.section-header{text-align:center;max-width:700px;margin:0 auto 4rem}.section-header h2{font-size:2.25rem;margin-bottom:1rem;color:#111827}.section-header p{color:var(--text-muted);font-size:1.125rem}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.feature-card{background:var(--white);padding:2rem;border-radius:var(--radius-lg);border:1px solid var(--border-color);transition:all .3s ease}.feature-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color);transform:translateY(-5px)}.icon-box{width:50px;height:50px;background-color:#eef2ff;color:var(--primary-color);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1.5rem}.feature-card h3{margin-bottom:1rem;font-size:1.25rem}.feature-card p{color:var(--text-muted);font-size:.95rem}.comparison{background-color:var(--bg-light)}.comparison-wrapper{overflow-x:auto;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.comparison-table{width:100%;border-collapse:collapse}.comparison-table th,.comparison-table td{padding:1.5rem;text-align:left;border-bottom:1px solid var(--border-color)}.comparison-table th{background-color:#f9fafb;font-weight:600;color:var(--text-muted);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.comparison-table tr:last-child td{border-bottom:none}.provider-info{display:flex;flex-direction:column;gap:.25rem}.provider-name{font-weight:700;font-size:1.1rem;color:#111827}.badge{display:inline-block;padding:.25rem .5rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge.recommend{background-color:#fef3c7;color:#d97706;align-self:flex-start}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.step{text-align:center;position:relative}.step-number{font-size:4rem;font-weight:900;color:#e0e7ff;position:absolute;top:-2rem;left:50%;transform:translate(-50%);z-index:-1}.step h3{margin-top:1.5rem;font-size:1.5rem}.accordion{max-width:800px;margin:0 auto}.accordion-item{border-bottom:1px solid var(--border-color)}.accordion-header{width:100%;padding:1.5rem 0;background:none;border:none;text-align:left;font-size:1.1rem;font-weight:500;color:#111827;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.accordion-header i{transition:transform .3s}.accordion-header.active i{transform:rotate(45deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s ease-out}.accordion-content p{padding-bottom:1.5rem;color:var(--text-muted)}.site-footer{background-color:#1f2937;color:#d1d5db;padding:4rem 0}.footer-content{display:flex;flex-direction:column;align-items:center;gap:2rem}.footer-logo{font-size:1.5rem;font-weight:700;color:var(--white)}.footer-links{display:flex;gap:2rem}.footer-links a:hover{color:var(--white)}.copyright{font-size:.875rem;color:#6b7280}@media(max-width:768px){.site-header .container{padding:0 1rem}.main-nav{display:none}.hero .container{grid-template-columns:1fr;gap:3rem;text-align:center}.hero p{margin:0 auto 2.5rem}.hero-actions{justify-content:center}.feature-grid,.steps{grid-template-columns:1fr;gap:2rem}.comparison-wrapper{margin:0 -1.5rem;border-radius:0}.comparison-table th,.comparison-table td{padding:1rem;white-space:nowrap}}