:root{--text:#202b3c;--muted:#657184;--line:#dfe5ec;--bg:#f6f8fb;--white:#fff;--navy:#173a63;--blue:#2563a7;--pale-blue:#edf5fc;--shadow:0 12px 30px rgba(28,52,78,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--white);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8}a{color:inherit}.container,.header-inner{width:min(1120px,calc(100% - 40px));margin:0 auto}.site-header{background:var(--white);border-bottom:1px solid var(--line)}.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{color:var(--navy);font-size:1.5rem;font-weight:800;letter-spacing:.08em;text-decoration:none}.header-note{color:var(--muted);font-size:.9rem}.hero{padding:76px 0 58px;background:linear-gradient(180deg,#f4f8fc 0%,#fff 100%);text-align:center}.eyebrow{margin:0 0 10px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.16em}.hero h1{margin:0;color:var(--navy);font-size:clamp(2rem,5vw,3.2rem);line-height:1.35;letter-spacing:.02em}.lead{max-width:820px;margin:24px auto 0;color:#4d5a6b;font-size:1.05rem}.notice-section{padding:16px 0 58px}.notice-box{max-width:920px;margin:0 auto;padding:30px 34px;border:1px solid #cddded;border-left:5px solid var(--blue);border-radius:10px;background:var(--pale-blue)}.notice-box h2{margin:0 0 14px;color:var(--navy);font-size:1.25rem}.notice-box p{margin:8px 0}.notice-box a{color:#145c9e;font-weight:700}.services{padding:68px 0 80px;background:var(--bg)}.section-heading{margin-bottom:30px;text-align:center}.section-heading h2{margin:0;color:var(--navy);font-size:clamp(1.55rem,3vw,2.1rem)}.service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.service-card{min-height:245px;display:flex;flex-direction:column;padding:28px;border:1px solid var(--line);border-radius:12px;background:var(--white);box-shadow:var(--shadow);text-decoration:none;transition:transform .18s ease , border-color .18s ease , box-shadow .18s ease}.service-card:hover,.service-card:focus-visible{transform:translateY(-3px);border-color:#9bbbdc;box-shadow:0 16px 38px rgba(28,52,78,.12)}.service-card.featured{border-top:4px solid var(--blue);padding-top:25px}.card-label{color:var(--blue);font-size:.72rem;font-weight:800;letter-spacing:.11em}.service-card h3{margin:10px 0 9px;color:var(--navy);font-size:1.25rem}.service-card p{margin:0 0 22px;color:var(--muted);font-size:.95rem}.card-link{margin-top:auto;color:var(--blue);font-size:.92rem;font-weight:800}.company-section{padding:70px 0}.company-box{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:38px 42px;border:1px solid var(--line);border-radius:12px}.company-box h2{margin:0 0 8px;color:var(--navy);font-size:1.45rem}.company-box p:not(.eyebrow) {margin:0;color:var(--muted)}.company-button{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:7px;background:var(--navy);color:var(--white);font-weight:700;text-decoration:none}.company-button:hover,.company-button:focus-visible{opacity:.9}.site-footer{padding:28px 0;background:#162b44;color:#dbe5ef}.footer-inner{display:flex;justify-content:space-between;gap:20px;font-size:.84rem}.footer-inner p{margin:0}@media (max-width:900px){.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.company-box{align-items:flex-start;flex-direction:column}}@media (max-width:640px){.container,.header-inner{width:min(100% - 28px,1120px)}.header-inner{min-height:64px}.header-note{font-size:.78rem}.hero{padding:54px 0 42px}.lead br{display:none}.notice-section{padding-bottom:42px}.notice-box{padding:24px 22px}.services{padding:52px 0 58px}.service-grid{grid-template-columns:1fr}.service-card{min-height:auto}.company-section{padding:48px 0}.company-box{padding:28px 24px}.company-button{width:100%}.footer-inner{flex-direction:column;gap:4px}}