:root{--bg:#f7f4ee;--surface:#fffdf9;--surface-2:#f0ede7;--text:#17233f;--muted:#667085;--line:#d8d5cf;--accent:#3157d5;--accent-dark:#2445b7;--accent-soft:#e9edff;--success:#e8f5eb;--error:#fff0f0;--error-line:#d68a8a;--info:#eef2ff;--info-line:#a9b6ed;--warning:#fff7e6;--warning-line:#e5bd5c;--max:1120px;--radius:14px;--shadow:0 14px 34px rgba(23,35,63,.09) }*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.muted{color:var(--muted)}.skip-link{position:fixed;left:16px;top:12px;z-index:1000;padding:10px 14px;border-radius:8px;background:var(--text);color:#fff;transform:translateY(-150%);transition:transform .15s ease}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;top:0;z-index:20;background:#fffdf9f0;backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:8px;background:var(--text);color:#fff;font-size:.78rem;font-weight:900}.brand strong{display:block;font-size:.95rem}.brand small{display:block;color:var(--muted);font-size:.72rem}.desktop-nav{display:flex;align-items:center;gap:22px;color:var(--muted);font-size:.92rem}.desktop-nav>a:not(.button):hover{color:var(--accent)}.desktop-nav a[aria-current=page]{color:var(--accent);font-weight:750}.mobile-nav{display:none;position:relative}.mobile-nav summary{list-style:none;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-weight:750;cursor:pointer}.mobile-nav 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var(--line)}.benefit-grid article:first-child{border-left:0}.benefit-grid article>span{position:absolute;left:14px;top:24px;color:var(--accent);font-size:.75rem;font-weight:900}.benefit-grid h2{font-size:1.05rem;line-height:1.45;margin:0 0 7px}.benefit-grid p{font-size:.88rem;color:var(--muted);margin:0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:24px}.section-head h2,.page-hero h1{font-size:clamp(1.9rem,4vw,3rem);line-height:1.25;margin:.3rem 0 0;letter-spacing:-.025em}.section-head p{max-width:470px;color:var(--muted);margin:0}.service-grid,.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0}.card p{color:var(--muted)}.service-num{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid 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dl>div{grid-template-columns:1fr;gap:5px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media(max-width:360px){.hero h1{font-size:1.2rem}.header-inner{height:70px}.brand small{display:none}.button-small{padding:9px 12px}}