:root{--blue:#29abe2;--navy:#0d1b26;--link:#0a6c99;--bg:#f6f8fa;--line:#c9d3db;--mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;--sans:Inter,system-ui,sans-serif}
*{box-sizing:border-box}
html{scroll-padding-top:7rem}
body{margin:0;padding-top:28px;font:16px/1.6 var(--sans);color:var(--navy);background:var(--bg)}
a{color:var(--link)}
.mono,.label{font-family:var(--mono)}
.label{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:#3d5262;margin:0 0 .4rem}
.wrap{max-width:1040px;margin:0 auto;padding:0 1rem}
.banner{position:fixed;top:0;left:0;right:0;z-index:10000;height:28px;line-height:28px;background:#111;color:#f1f1f1;font:12px/28px var(--sans);text-align:center;padding:0 .5rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.watermark{position:fixed;inset:0;z-index:9999;pointer-events:none;overflow:hidden;display:grid;grid-template-columns:repeat(2,1fr);align-items:center;justify-items:center;opacity:.06;color:#444}
.watermark span{font:900 clamp(3rem,10vw,7rem)/1 Arial,Helvetica,sans-serif;transform:rotate(-30deg);padding:5rem 0}
.site-header{background:#fff;border-bottom:1px solid var(--navy);position:sticky;top:28px;z-index:50}
.bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-top:.6rem;padding-bottom:.6rem}
.brand{font-weight:700;letter-spacing:.04em;color:var(--navy);text-decoration:none;font-size:1.15rem}
.brand .mono{color:var(--link)}
.tel{font-weight:600;color:#fff;background:var(--navy);padding:.45rem .8rem;text-decoration:none;white-space:nowrap}
.tel .label{color:var(--blue);display:inline;margin:0 .3rem 0 0}
.nav{display:flex;gap:0;border-top:1px solid var(--line);overflow-x:auto}
.nav a{padding:.55rem 1rem;text-decoration:none;color:var(--navy);font:600 .85rem var(--mono);text-transform:uppercase;border-right:1px solid var(--line)}
.nav a:first-child{border-left:1px solid var(--line)}
.nav a[aria-current]{background:var(--blue);color:var(--navy)}
.nav a:hover{background:#e3f3fb}
.hero{border-bottom:1px solid var(--navy);background:#fff}
.hero .wrap{padding-top:1rem;padding-bottom:1rem}
.hero-art{border:1px solid var(--navy);line-height:0;height:min(48vw,360px);min-height:200px}
.hero-art svg{width:100%;height:100%}
.caption{border:1px solid var(--navy);border-top:0;padding:1.2rem;background:#fff;max-width:640px}
.caption h1{margin:.2rem 0 .6rem;font-size:clamp(1.5rem,4vw,2.2rem);line-height:1.2}
.block{padding-top:2.5rem;padding-bottom:1rem}
h1,h2{line-height:1.2}
h2{font-size:1.5rem;margin:0 0 .8rem}
.btn{display:inline-block;background:var(--blue);color:var(--navy);font:600 .9rem var(--mono);padding:.7rem 1.1rem;border:1px solid var(--navy);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--navy);color:#fff}
.btn.ghost{background:#fff}
.sheet{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));border-top:1px solid var(--navy);border-left:1px solid var(--navy);margin:0 0 1.5rem;background:#fff}
.sheet.one{grid-template-columns:1fr}
.sheet>div{border-right:1px solid var(--navy);border-bottom:1px solid var(--navy);padding:.8rem 1rem}
.sheet dt{font:.75rem var(--mono);text-transform:uppercase;letter-spacing:.08em;color:#3d5262}
.sheet dd{margin:.2rem 0 0;font-weight:600;overflow-wrap:anywhere}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}
.cells{gap:0;border-top:1px solid var(--navy);border-left:1px solid var(--navy)}
.cell{display:flex;flex-direction:column;gap:.3rem;padding:1.2rem;background:#fff;color:var(--navy);text-decoration:none;border-right:1px solid var(--navy);border-bottom:1px solid var(--navy)}
.cell:hover{background:#e3f3fb}
.cell .mono{color:var(--link)}
.note{border-left:4px solid var(--blue);padding:.4rem 1rem;background:#fff}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.field{margin-bottom:1rem}
label{display:block;font:600 .8rem var(--mono);text-transform:uppercase;margin-bottom:.3rem}
input,textarea{width:100%;font:1rem var(--sans);padding:.6rem;border:1px solid var(--navy);background:#fff;color:var(--navy)}
input:focus,textarea:focus,.btn:focus,a:focus{outline:3px solid var(--blue);outline-offset:2px}
input[aria-invalid=true],textarea[aria-invalid=true]{border-color:#b00020;border-width:2px}
.err{color:#b00020;font-size:.85rem;margin:.25rem 0 0}
.ok{background:#fff;border-left:4px solid var(--blue);padding:.6rem 1rem}
.site-footer{margin-top:3rem;background:var(--navy);color:#e8eef2;padding:2rem 0 1rem}
.site-footer a{color:#7fd0f3}
.site-footer .label{color:#9fb4c2}
.proposal{border-top:1px solid #3d5262;margin-top:1.5rem;padding-top:1rem;font-size:.9rem}
@media(max-width:520px){.banner{font-size:10px}.tel{padding:.4rem .6rem;font-size:.9rem}.brand{font-size:1rem}.watermark{grid-template-columns:1fr}.watermark span:nth-child(n+3){display:none}}