:root{
  --navy:#16233b;--navy-2:#22314f;--ink:#1d2433;--muted:#5c6577;
  --cream:#f7f3ea;--paper:#fffdf8;--line:#e4dcc8;
  --gold:#b08d4a;--gold-d:#8f6f33;--line-green:#06c755;--line-green-d:#05a647;
  --radius:10px;
  --serif:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",Meiryo,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85;padding-bottom:84px;overflow-wrap:anywhere}
a{color:var(--navy-2)}
img{max-width:100%}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.wrap-doc{max-width:760px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 12px;z-index:30}
.skip:focus{left:8px;top:8px}

.site-header{background:var(--navy);position:sticky;top:0;z-index:20;border-bottom:2px solid var(--gold)}
.head-in{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid var(--gold);color:var(--gold);font-family:var(--serif);font-weight:700;border-radius:4px;line-height:1}
.brand-name{font-family:var(--serif);font-size:16px;letter-spacing:.08em}
.top-nav{display:none}
.top-nav a{color:#d9dfec;text-decoration:none;font-size:14px;margin-left:20px}
.top-nav a:hover{color:#fff}

.hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:44px 0 40px}
.eyebrow{margin:0 0 12px;color:var(--gold);font-size:13px;letter-spacing:.16em}
.hero h1{font-family:var(--serif);font-weight:600;font-size:25px;line-height:1.55;margin:0 0 16px;letter-spacing:.02em}
.hero-lead{margin:0 0 24px;color:#d9dfec;font-size:15px}
.hero-note{margin:12px 0 20px;color:#aeb8cf;font-size:13px}
.hero-points{list-style:none;margin:0;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.18);display:grid;gap:6px;font-size:14px;color:#e8ecf5}
.hero-points li{padding-left:18px;position:relative}
.hero-points li:before{content:"";position:absolute;left:0;top:.85em;width:8px;height:1px;background:var(--gold)}

.btn-row{display:flex;flex-direction:column;gap:10px}
.btn{display:flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border-radius:var(--radius);font-weight:700;font-size:16px;text-decoration:none;text-align:center;border:1px solid transparent}
.btn-line{background:var(--line-green);color:#fff}
.btn-line:hover{background:var(--line-green-d)}
.btn-mail{background:var(--gold);color:#fff}
.btn-mail:hover{background:var(--gold-d)}
.btn-tel{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-mail,.closing .btn-mail{background:#fff;color:var(--navy)}
.btn-row-sticky .btn-tel{color:var(--navy);border-color:var(--navy)}

.sec{padding:48px 0}
.sec-alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-family:var(--serif);font-size:23px;line-height:1.5;margin:0 0 8px;color:var(--navy);letter-spacing:.04em}
h2:after{content:"";display:block;width:36px;height:2px;background:var(--gold);margin-top:10px}
h3{font-size:16px;line-height:1.6;margin:0 0 6px;color:var(--navy)}
.lead{margin:14px 0 24px;color:var(--muted);font-size:15px}
.fine{color:var(--muted);font-size:13px;margin:14px 0 0}
.more{margin:24px 0 0}
.more a{font-weight:700}

.cards{list-style:none;margin:0;padding:0;display:grid;gap:12px;grid-template-columns:1fr}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 16px}
.sec-alt .card{background:var(--cream)}
.card p{margin:0;font-size:14.5px;color:var(--ink)}
.tag{display:inline-block;margin-left:6px;padding:0 8px;border:1px solid var(--gold);color:var(--gold-d);border-radius:20px;font-size:12px;font-weight:600;line-height:1.7;vertical-align:1px}
.card-ex{border-top:3px solid var(--gold)}
.ex-budget{display:flex;align-items:baseline;gap:8px;margin:0 0 6px!important}
.ex-num{font-family:var(--serif);font-size:26px;color:var(--navy);font-weight:700}
.ex-label{font-size:12.5px;color:var(--muted)}

.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;gap:12px}
.steps li{counter-increment:s;position:relative;padding:14px 16px 14px 62px;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius)}
.steps li:before{content:counter(s,decimal-leading-zero);position:absolute;left:16px;top:12px;font-family:var(--serif);font-size:24px;color:var(--gold)}
.steps p{margin:0;font-size:14.5px}

.defs{margin:0;border-top:1px solid var(--line)}
.defs>div{padding:14px 2px;border-bottom:1px solid var(--line)}
.defs dt{font-weight:700;color:var(--navy);font-size:15px}
.defs dd{margin:2px 0 0;font-size:15px}

.faq details{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px}
.faq summary{cursor:pointer;padding:14px 44px 14px 16px;font-weight:700;color:var(--navy);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:16px;top:12px;color:var(--gold);font-size:22px;line-height:1.4}
.faq details[open] summary:after{content:"\2212"}
.faq details p{margin:0;padding:0 16px 16px;font-size:14.5px}

.closing{background:var(--navy);color:#fff;text-align:center;padding:48px 0}
.closing h2{color:#fff}
.closing h2:after{margin:10px auto 0}
.closing p{color:#d9dfec;margin:12px 0 22px;font-size:15px}
.closing .btn-row{max-width:420px;margin:0 auto}

.doc{padding:36px 0 56px}
.doc h1{font-family:var(--serif);font-size:26px;color:var(--navy);margin:0 0 8px}
.doc-sec{margin-top:28px}
.doc-sec h2{font-size:18px}
.doc-sec ul{margin:12px 0 0;padding-left:1.2em}
.doc-sec li{margin-bottom:8px;font-size:15px}

.site-footer{background:var(--navy);color:#aeb8cf;padding:28px 0 20px;font-size:13px}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:12px}
.foot-nav a{color:#d9dfec}
.copy{margin:0}

.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:25;background:rgba(255,253,248,.97);border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -4px 14px rgba(22,35,59,.08)}
.btn-row-sticky{flex-direction:row;gap:8px;max-width:520px;margin:0 auto}
.btn-row-sticky .btn{flex:1;min-height:46px;padding:0 8px;font-size:15px}

@media (min-width:640px){
  .cards-3,.cards-4,.cards-5{grid-template-columns:repeat(2,1fr)}
  .btn-row-hero{flex-direction:row}
  .btn-row-hero .btn{min-width:220px}
  .closing .btn-row{justify-content:center}
  .hero h1{font-size:32px}
}
@media (min-width:900px){
  body{padding-bottom:0;font-size:17px}
  .sticky-bar{display:none}
  .top-nav{display:block}
  .hero{padding:84px 0 76px}
  .hero h1{font-size:38px;max-width:20em}
  .hero-lead{max-width:40em;font-size:17px}
  .sec{padding:72px 0}
  h2{font-size:28px}
  .cards-3{grid-template-columns:repeat(3,1fr)}
  .cards-4{grid-template-columns:repeat(4,1fr)}
  .cards-5{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .defs{display:grid;grid-template-columns:repeat(2,1fr);column-gap:40px}
  .defs-company{grid-template-columns:1fr}
  .defs-company>div{display:grid;grid-template-columns:16em 1fr;gap:16px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}