:root{--ink:#20303a;--muted:#5a6b78;--line:#dce5eb;--bg:#f6fafc;--white:#fff;--brand:#0b4b6e;--brand2:#0e6d8f;--accent:#e7f4f7;--warn:#f8f1dd;--radius:16px;--shadow:0 12px 30px rgba(13,46,67,.08);--header:84px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Hiragino Sans','Yu Gothic',Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.88;font-size:16px}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.inner{max-width:1180px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{min-height:var(--header);display:flex;align-items:center;gap:24px;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;min-width:315px;color:var(--ink)}.brand img{width:64px;height:auto;display:block}.brand-copy{display:flex;flex-direction:column;line-height:1.25}.brand-copy strong{font-size:18px;letter-spacing:.02em}.brand-copy small{font-size:12px;color:var(--muted);max-width:420px}.site-header nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.site-header nav a{padding:9px 12px;border-radius:999px;font-size:14px;color:var(--ink);white-space:nowrap}.site-header nav a.current,.site-header nav a:hover{background:var(--accent);text-decoration:none;color:var(--brand)}.hero{background:linear-gradient(120deg,#f0f8fb 0%,#fff 62%);padding:64px 0 50px;border-bottom:1px solid var(--line)}.hero.compact{padding:38px 0}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;align-items:center}.eyebrow{display:inline-block;color:var(--brand);font-weight:700;background:var(--accent);padding:5px 12px;border-radius:999px;margin:0 0 14px}h1{font-size:clamp(30px,4.2vw,50px);line-height:1.25;margin:0 0 18px;letter-spacing:.01em}h2{font-size:28px;line-height:1.35;margin:0 0 18px}h3{font-size:21px;margin:28px 0 10px}.lead{font-size:19px;color:#354b58;margin:0 0 24px}.hero-actions,.cta-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 20px;font-weight:700;border:1px solid var(--brand);transition:.2s;white-space:nowrap}.btn.primary{background:var(--brand);color:#fff}.btn.secondary{background:#fff;color:var(--brand)}.btn.full{width:100%;background:var(--brand);color:#fff;border-color:var(--brand)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow);text-decoration:none}.hero-panel,.card,.section,.side-box,.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-panel{padding:22px}.hero-panel strong,.side-box strong{display:block;font-size:18px;margin-bottom:10px}.hero-panel ul{margin:0;padding-left:20px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;margin-top:36px;margin-bottom:60px}.section{padding:30px;margin-bottom:24px}.section p{margin:0 0 16px}.section ul,.section ol{padding-left:1.4em;margin:8px 0 18px}.section li{margin:.35em 0}.notice{background:var(--warn);border:1px solid #eadcac;border-radius:14px;padding:16px;margin:18px 0}.table-wrap{overflow:auto;margin:14px 0 18px}table{border-collapse:collapse;width:100%;background:#fff}th,td{border:1px solid var(--line);padding:10px 12px;vertical-align:top}th{background:#eef6f9;text-align:left}.cards{display:grid;gap:14px}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:18px}.link-card{display:block;color:var(--ink)}.link-card strong{display:block;color:var(--brand);font-size:18px;margin-bottom:6px}.link-card span{color:var(--muted);font-size:14px}.side{position:relative}.side-box{padding:18px;margin-bottom:18px;position:sticky;top:calc(var(--header) + 18px);max-height:calc(100vh - var(--header) - 36px);overflow:auto}.side-box+ .side-box{position:static;max-height:none}.side-box a{display:block;padding:9px 0;border-top:1px solid var(--line);font-size:14px}.side-box a.current{font-weight:700;color:var(--brand)}.office-box p{font-size:14px;color:var(--muted);line-height:1.65}.tel-link{text-align:center;font-size:18px;font-weight:700}.breadcrumbs{font-size:13px;margin-top:18px;color:var(--muted)}.breadcrumbs a{margin-right:8px}.breadcrumbs span:before{content:'>';margin:0 8px;color:#9aa}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq summary{cursor:pointer;font-weight:700;color:var(--brand)}.cta{background:linear-gradient(135deg,#0b4b6e,#0e6d8f);color:#fff;border-radius:22px;padding:32px;margin:28px 0}.cta p{color:#edf7fa}.cta .btn.secondary{background:transparent;color:#fff;border-color:#fff}footer{background:#17313f;color:#eaf3f6;padding:36px 0;margin-top:40px}footer a{display:block;color:#eaf3f6;margin:4px 0}.footer-grid{display:grid;grid-template-columns:1fr 220px;gap:30px}.form-wrap{max-width:860px;margin:46px auto;padding:0 24px}.form-card{padding:28px}label{display:block;font-weight:700;margin:18px 0 6px}input,select,textarea{width:100%;padding:13px;border:1px solid #c8d6de;border-radius:10px;font-size:16px;background:#fff}textarea{min-height:170px}.note{font-size:14px;color:var(--muted)}.error{background:#fff1f0;border:1px solid #e7b4ae;border-radius:12px;padding:14px}.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.checkitem{background:#f7fbfd;border:1px solid var(--line);border-radius:12px;padding:12px}.source-note{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:24px}@media(max-width:940px){:root{--header:72px}.header-inner{align-items:flex-start;flex-direction:column;padding-top:12px;padding-bottom:12px}.brand{min-width:0}.brand img{width:50px}.brand-copy small{max-width:none}.site-header nav{justify-content:flex-start;overflow-x:auto;width:100%;flex-wrap:nowrap;padding-bottom:4px}.hero-grid,.content-grid{grid-template-columns:1fr}.side{display:none}.cards.two,.checklist,.footer-grid{grid-template-columns:1fr}.hero{padding:38px 0}.inner{padding:0 18px}h1{font-size:30px}.lead{font-size:17px}}

/* final acceptance adjustments */
.site-header{min-height:var(--header)}.brand-copy strong{white-space:nowrap}.section h2{border-left:5px solid var(--brand);padding-left:12px}.source-note{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.form-card .notice{margin:16px 0}.btn.primary{box-shadow:0 8px 18px rgba(11,75,110,.18)}@media(max-width:940px){.site-header{position:sticky}.header-inner{gap:10px}.brand-copy strong{font-size:16px}.site-header nav a{font-size:13px;padding:8px 10px}.hero-actions .btn,.cta-actions .btn{width:100%}}