:root{--pl:#EAEFF2;--st:#4A6B82;--ink:#222B32;--ln:#F8F6F2;--co:#D97D6B;--bd:#D0D8DE}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:var(--ln);line-height:1.8;font-size:16px}
h1,h2,h3{font-family:"Noto Serif JP",serif;line-height:1.5;margin:0 0 .6em;font-weight:600}
h1{font-size:clamp(1.8rem,4vw,2.8rem)}h2{font-size:clamp(1.4rem,3vw,2rem)}h3{font-size:1.2rem}
a{color:var(--st)}img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:50;background:rgba(248,246,242,.96);border-bottom:1px solid var(--bd);backdrop-filter:blur(6px)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.2em;font-size:1rem}
.brand img{width:40px;height:40px}
nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center;flex-wrap:wrap}
nav a{display:block;padding:8px 10px;text-decoration:none;color:var(--ink);font-size:.88rem;border-radius:4px}
nav a:hover,nav a[aria-current]{background:var(--pl);color:var(--st)}
nav a.cta,.btn{background:var(--st);color:#fff;padding:12px 22px;border-radius:4px;text-decoration:none;display:inline-block;font-weight:500;border:0;cursor:pointer;font-size:.95rem;font-family:inherit}
nav a.cta{background:var(--co);color:#fff;margin-left:6px}nav a.cta:hover{background:#c46a58;color:#fff}
.btn:hover{background:#3a566a}.btn.alt{background:transparent;color:var(--st);border:1px solid var(--st)}.btn.alt:hover{background:var(--pl)}
.menu{display:none;background:none;border:1px solid var(--bd);padding:8px 12px;border-radius:4px;font-size:.9rem;cursor:pointer}
.hero{background:var(--pl);background-image:linear-gradient(var(--bd) 1px,transparent 1px),linear-gradient(90deg,var(--bd) 1px,transparent 1px);background-size:48px 48px;background-position:-1px -1px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero.sub .wrap{padding-top:48px;padding-bottom:48px}
.eyebrow{color:var(--co);font-size:.8rem;letter-spacing:.25em;font-weight:700;text-transform:uppercase}
.hero p.lead{font-size:1.05rem}
.hero img,.fig img{border-radius:6px;width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:0 12px 30px rgba(34,43,50,.15)}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
section.blk{padding:64px 0}section.blk.alt{background:var(--pl)}
.sec-head{max-width:760px;margin-bottom:36px}
.grid{display:grid;gap:24px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--bd);border-radius:6px;padding:24px}
.card h3{font-size:1.05rem}.tag{display:inline-block;background:var(--pl);color:var(--st);font-size:.75rem;padding:2px 10px;border-radius:99px;font-weight:700}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.fig figcaption{font-size:.82rem;color:#5b6a75;margin-top:8px}
.price{font-family:"Noto Serif JP",serif;color:var(--co);font-size:1.3rem;font-weight:700}
.svc{display:grid;grid-template-columns:60px 1fr;gap:20px}.svc .no{font-family:"Noto Serif JP",serif;font-size:2rem;color:var(--st);opacity:.5}
.svc ul{padding-left:1.2em;margin:.3em 0}.svc h4{margin:.8em 0 .1em;font-size:.9rem;color:var(--st)}
table{border-collapse:collapse;width:100%;background:#fff;font-size:.93rem}th,td{border:1px solid var(--bd);padding:10px 14px;text-align:left;vertical-align:top}th{background:var(--pl);width:28%;font-weight:500}
.tbl thead th{width:auto}
.note{border-left:4px solid var(--co);background:#fff;padding:14px 20px;font-size:.9rem;margin:24px 0}
article.post{background:#fff;border:1px solid var(--bd);border-radius:6px;padding:40px;margin-bottom:32px;scroll-margin-top:90px}
article.post p{max-width:46em}article.post h3{margin-top:1.6em;color:var(--st)}
.toc{columns:2;padding-left:1.2em}.toc li{margin-bottom:6px}
.cal{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cal .card b{font-family:"Noto Serif JP",serif;color:var(--co);font-size:1.4rem;display:block}
form{display:grid;gap:16px}label{font-weight:500;font-size:.9rem;display:grid;gap:4px}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--bd);border-radius:4px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus,a:focus-visible,button:focus-visible{outline:2px solid var(--st);outline-offset:2px}
.calc{background:#fff;border:1px solid var(--bd);border-radius:6px;padding:28px}
.calc .out{background:var(--pl);padding:16px;border-radius:4px;margin-top:12px;min-height:3em}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:16px}.steps li{counter-increment:s;background:#fff;border:1px solid var(--bd);padding:18px 20px 18px 64px;position:relative;border-radius:6px}
.steps li:before{content:counter(s);position:absolute;left:18px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--st);color:#fff;display:grid;place-items:center;font-weight:700}
.legal h2{margin-top:0}.legal{scroll-margin-top:90px}.legal h3{margin-top:1.4em;font-size:1.05rem}
footer.site{background:var(--ink);color:#d8e0e6;padding:56px 0 24px;font-size:.88rem}
footer.site a{color:#d8e0e6}footer.site .brand{color:#fff;margin-bottom:12px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin-bottom:6px}
footer.site .copy{border-top:1px solid #3a4852;margin-top:32px;padding-top:16px;font-size:.8rem}
@media(max-width:900px){.hero .wrap,.split,.g2,.g3,.g4,.cal,footer.site .cols{grid-template-columns:1fr}.menu{display:block}
nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--ln);border-bottom:1px solid var(--bd);padding:12px 24px}nav.open{display:block}nav ul{flex-direction:column;align-items:stretch}nav a.cta{margin:6px 0 0;text-align:center}
.toc{columns:1}article.post{padding:24px}.svc{grid-template-columns:1fr}}