*{box-sizing:border-box}:root{--bg: #ffffff;--bg-alt: #f7f7f8;--fg: #111111;--fg-mute: #555a60;--border: #e5e7eb;--accent: #111111;--accent-fg: #ffffff;--maxw: 1100px}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--fg);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit}img{max-width:100%;display:block}.btn{display:inline-block;padding:.75rem 1.5rem;background:var(--accent);color:var(--accent-fg);text-decoration:none;border-radius:6px;font-weight:600;transition:opacity .15s ease}.btn:hover{opacity:.85}.site-header{border-bottom:1px solid var(--border);position:sticky;top:0;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10}.nav-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;position:relative}.logo a{font-weight:700;font-size:1.1rem;text-decoration:none}#navMenu{display:flex;align-items:center;gap:1.75rem}#navMenu a{text-decoration:none;color:var(--fg-mute);font-size:.95rem;transition:color .15s ease}#navMenu a:hover{color:var(--fg)}select.lang{padding:.35rem .6rem;border:1px solid var(--border);border-radius:4px;background:#fff;font-size:.85rem;cursor:pointer}.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:.25rem}.menu-toggle span{display:block;width:22px;height:2px;background:var(--fg);margin:5px 0}.hero{padding:6rem 1.5rem 5rem;background:var(--bg-alt)}.hero-inner{max-width:var(--maxw);margin:0 auto}.hero h1{font-size:2.25rem;margin:0 0 1.25rem;letter-spacing:.02em}.hero p{font-size:1.05rem;color:var(--fg-mute);margin:0 0 2rem;max-width:720px}.section{padding:5rem 1.5rem}.section:not(.section-alt){max-width:var(--maxw);margin:0 auto}.section-alt{background:var(--bg-alt)}.section-alt .section-inner{max-width:var(--maxw);margin:0 auto}.section h2{font-size:1.75rem;margin:0 0 1rem}.section-intro{color:var(--fg-mute);margin:0 0 2.5rem}.business-grid{display:grid;gap:1.25rem;grid-template-columns:repeat(2,1fr)}.business-card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:1.5rem;display:flex;flex-direction:column}.business-card h3{margin:0 0 .75rem;font-size:1.15rem}.business-card p{color:var(--fg-mute);margin:0 0 1rem;font-size:.95rem;flex:1}.business-card a{font-size:.9rem;text-decoration:none;color:var(--accent);font-weight:600;align-self:flex-start}.business-card a:hover{text-decoration:underline}.contact-email{font-size:1.05rem}.contact-email a{font-weight:600;color:var(--accent)}.site-footer{border-top:1px solid var(--border);background:#fff}.footer-container{max-width:var(--maxw);margin:0 auto;padding:3rem 1.5rem 2rem;display:grid;grid-template-columns:1fr 2fr;gap:3rem}.footer-brand .footer-logo{font-weight:700;text-decoration:none;font-size:1.05rem}.footer-desc{color:var(--fg-mute);font-size:.9rem;margin-top:.5rem}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.footer-col{display:flex;flex-direction:column;gap:.5rem}.footer-title{font-weight:600;font-size:.9rem;margin-bottom:.25rem}.footer-col a{font-size:.9rem;color:var(--fg-mute);text-decoration:none}.footer-col a:hover{color:var(--fg)}.footer-bottom{border-top:1px solid var(--border);padding:1.25rem 1.5rem;text-align:center;font-size:.85rem;color:var(--fg-mute)}@media(max-width:768px){.menu-toggle{display:block}#navMenu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:1rem;padding:1.25rem 1.5rem;background:#fff;border-bottom:1px solid var(--border)}#navMenu.open{display:flex}.hero{padding:4rem 1.5rem 3.5rem}.hero h1{font-size:1.75rem}.business-grid{grid-template-columns:1fr}.footer-container{grid-template-columns:1fr;gap:2rem}.footer-links{grid-template-columns:1fr}}