:root{--bg:#f7f8fa;--card:#fff;--line:#d9dee5;--ink:#1a2330;--muted:#5b6673;--navy:#1f3a5f;--navy-d:#162b47;--accent:#b08d57}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP","BIZ UDPMincho",serif;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--navy)}img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{text-decoration:none;color:var(--ink);letter-spacing:.12em;font-size:1.05rem;font-weight:500}
.brand small{display:block;font-size:.68rem;letter-spacing:.2em;color:var(--muted)}
.nav-toggle{display:none}
.nav-btn{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative}
.nav-btn span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:.2s}
.nav-btn span:nth-child(1){top:14px}.nav-btn span:nth-child(2){top:21px}.nav-btn span:nth-child(3){top:28px}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:26px}
nav a{text-decoration:none;color:var(--ink);font-size:.92rem;letter-spacing:.08em;padding:6px 0;border-bottom:1px solid transparent}
nav a[aria-current="page"],nav a:hover{border-bottom-color:var(--navy)}
nav .cta a{background:var(--navy);color:#fff;padding:9px 16px;border-bottom:0}
@media(max-width:820px){
 .nav-btn{display:block}
 nav{position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--line);display:none}
 nav ul{flex-direction:column;gap:0;padding:8px 20px 16px}
 nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line)}
 nav .cta a{display:inline-block;margin-top:10px;padding:10px 18px}
 .nav-toggle:checked~nav{display:block}
}
/* hero */
.hero{padding:72px 0 56px;text-align:center}
.hero h1{font-size:clamp(1.6rem,4.6vw,2.6rem);letter-spacing:.08em;line-height:1.5;margin:0 0 18px;font-weight:500}
.hero p{margin:0 auto 30px;max-width:620px;color:var(--muted)}
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;padding:14px 30px;letter-spacing:.15em;font-size:.95rem}
.btn:hover{background:var(--navy-d)}
.btn.ghost{background:none;color:var(--navy);border:1px solid var(--navy)}
/* sections */
section{padding:56px 0}
.section-title{text-align:center;margin:0 0 8px;font-size:1.5rem;letter-spacing:.14em;font-weight:500}
.section-lead{text-align:center;color:var(--muted);margin:0 0 36px;font-size:.95rem}
.grid3{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:720px){.grid3{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{background:var(--card);border:1px solid var(--line);padding:26px 24px}
.card h3{margin:0 0 10px;font-size:1.12rem;letter-spacing:.06em;font-weight:500}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .more{display:inline-block;margin-top:14px;font-size:.88rem;letter-spacing:.08em}
.num{font-size:.78rem;letter-spacing:.25em;color:var(--accent);margin-bottom:8px}
/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:14px;counter-reset:s}
@media(min-width:720px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{background:#fff;border:1px solid var(--line);padding:22px 20px;counter-increment:s}
.steps li::before{content:"0" counter(s);display:block;color:var(--accent);letter-spacing:.2em;font-size:.8rem;margin-bottom:6px}
.steps b{display:block;font-weight:500;margin-bottom:6px}
.steps span{color:var(--muted);font-size:.92rem}
/* profile teaser */
.teaser{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:720px){.teaser{grid-template-columns:260px 1fr;gap:40px}}
.portrait{width:100%;max-width:260px;margin:0 auto;aspect-ratio:1;background:#e6ebf1;border:1px solid var(--line)}
.teaser blockquote{margin:0 0 16px;font-size:1.15rem;line-height:1.9}
.teaser .who{color:var(--muted);font-size:.9rem}
/* page hero */
.page-head{padding:56px 0 20px;text-align:center}
.page-head h1{margin:0 0 6px;font-size:1.7rem;letter-spacing:.14em;font-weight:500}
.page-head p{margin:0;color:var(--muted)}
.crumbs{font-size:.8rem;color:var(--muted);letter-spacing:.06em;margin:0 0 6px}
.crumbs a{color:var(--muted);text-decoration:none}
/* service detail */
.svc{background:#fff;border:1px solid var(--line);padding:30px 26px;margin-bottom:22px}
.svc h2{margin:0 0 6px;font-size:1.3rem;letter-spacing:.1em;font-weight:500}
.svc .tag{color:var(--accent);font-size:.8rem;letter-spacing:.2em;margin-bottom:8px}
.svc dl{margin:18px 0 0;display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:720px){.svc dl{grid-template-columns:120px 1fr;gap:12px 20px}}
.svc dt{color:var(--muted);font-size:.9rem}.svc dd{margin:0}
.svc ul{margin:4px 0 0;padding-left:1.2em}
.note{background:#fff;border-left:3px solid var(--accent);padding:16px 20px;color:var(--muted);font-size:.95rem}
/* timeline */
.timeline{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.timeline li{position:relative;padding:0 0 22px 26px}
.timeline li::before{content:"";position:absolute;left:-5px;top:12px;width:9px;height:9px;border-radius:50%;background:var(--navy)}
.timeline time{display:block;color:var(--accent);letter-spacing:.15em;font-size:.85rem}
.prose{max-width:720px;margin:0 auto}
.prose p{margin:0 0 1.2em}
.two{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:820px){.two{grid-template-columns:260px 1fr}}
.values{list-style:none;padding:0;margin:0}
.values li{padding:10px 0;border-bottom:1px solid var(--line)}
/* cases */
.case{background:#fff;border:1px solid var(--line);padding:26px;margin-bottom:20px}
.case h2{margin:0 0 14px;font-size:1.15rem;letter-spacing:.06em;font-weight:500}
.case dl{margin:0;display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:720px){.case dl{grid-template-columns:90px 1fr;gap:10px 18px}}
.case dt{color:var(--accent);letter-spacing:.15em;font-size:.85rem}.case dd{margin:0}
/* table */
table.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
table.spec th,table.spec td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-weight:400}
table.spec th{width:32%;color:var(--muted);background:#fbfcfd}
/* form */
.form{max-width:640px;margin:0 auto}
.field{display:block;margin-bottom:18px}
.field>span{display:block;font-size:.92rem;margin-bottom:6px}
.req{color:#b3261e;font-size:.8rem;margin-left:6px}
.field input,.field textarea,.field select{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1px solid var(--line);padding:12px 14px;border-radius:0;-webkit-appearance:none}
.field textarea{min-height:170px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--navy);outline-offset:1px}
.count{display:block;text-align:right;font-size:.8rem;color:var(--muted);margin-top:4px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;margin:6px 0 16px}
.consent input{margin-top:6px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.gate{margin:4px 0 14px;min-height:66px;display:flex;justify-content:center}
.send{display:block;width:100%;font:inherit;font-size:1rem;letter-spacing:.2em;padding:14px;color:#fff;background:var(--navy);border:0;cursor:pointer}
.send:disabled{opacity:.6;cursor:default}
.alert{margin:12px 0 0;min-height:1.5em;font-size:.9rem;color:#b3261e;text-align:center}
.thanks{text-align:center;padding:40px 20px;background:#fff;border:1px solid var(--line)}
.thanks .big{font-size:1.3rem;letter-spacing:.15em;margin:0 0 10px}
.thanks p{margin:0;color:var(--muted)}
/* policy */
.policy h2{font-size:1.1rem;letter-spacing:.08em;font-weight:500;margin:32px 0 8px}
/* footer */
.site-footer{margin-top:40px;border-top:1px solid var(--line);padding:36px 0 40px;color:var(--muted);font-size:.85rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:space-between;align-items:center}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:16px}
.site-footer a{color:var(--muted);text-decoration:none}
.cta-band{background:var(--navy);color:#fff;text-align:center;padding:48px 0}
.cta-band h2{margin:0 0 8px;font-size:1.3rem;letter-spacing:.14em;font-weight:500}
.cta-band p{margin:0 0 22px;color:#d7dfe9}
.cta-band .btn{background:#fff;color:var(--navy)}