/* Golden Owl — brand site styles (gold × cream letterpress) */
:root{
  --cream:#EFECE0; --cover:#E7E0D0; --card:#F8F5EE; --paper:#FBF9F3;
  --gold:#9F7C34; --gold-l:#B8954E; --gold-h:#C7A961;
  --ink:#34302A; --muted:#8A8170; --dark:#262219; --line:#E3D9C4;
  --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;color:var(--ink);background:var(--cream);line-height:1.85;-webkit-font-smoothing:antialiased;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold-l)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,.brand,.eyebrow,.btn{font-family:'Jost','Noto Sans JP',sans-serif;font-weight:500}
h2{font-size:30px;letter-spacing:.04em;color:var(--ink);margin-bottom:14px;line-height:1.4}
h3{font-size:19px;letter-spacing:.02em;color:var(--gold);margin-bottom:8px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.34em;color:var(--gold-l);text-transform:uppercase;margin-bottom:10px}
.lead{color:#5E5647;font-size:17px}
.muted{color:var(--muted)}
section{padding:78px 0}
section.alt{background:var(--paper)}
.center{text-align:center}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(239,236,224,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:20px;height:66px}
.nav .logo{display:flex;align-items:center;gap:10px}
.nav .logo img{height:34px;width:auto}
.nav .logo span{font-family:'Jost',sans-serif;font-size:18px;letter-spacing:.16em;color:var(--gold)}
.nav nav{margin-left:auto;display:flex;gap:22px;flex-wrap:wrap}
.nav nav a{color:var(--ink);font-size:14.5px;letter-spacing:.02em}
.nav nav a:hover{color:var(--gold)}
.nav .cta{margin-left:8px}

/* buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-size:15px;letter-spacing:.06em;transition:.18s;cursor:pointer;border:1.5px solid transparent}
.btn-line{background:var(--dark);color:#F3EEDF}
.btn-line:hover{background:#3a3426;color:#fff}
.btn-gold{background:var(--gold-l);color:#fff}
.btn-gold:hover{background:var(--gold)}
.btn-ghost{border-color:var(--gold-l);color:var(--gold)}
.btn-ghost:hover{background:var(--gold-l);color:#fff}
.btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:26px}

/* hero */
.hero{background:var(--cover);text-align:center;padding:92px 0 84px}
.hero img.logo{height:170px;width:auto;margin:0 auto 6px}
.hero .tag{font-family:'Jost','Noto Sans JP',sans-serif;font-size:34px;letter-spacing:.06em;color:var(--gold);margin:18px 0 6px}
.hero .sub{color:#6A6150;font-size:16px;letter-spacing:.04em}

/* page hero (sub pages) */
.phero{background:var(--cover);text-align:center;padding:64px 0 56px}
.phero h1{font-size:34px;letter-spacing:.05em;color:var(--gold)}
.phero p{color:#6A6150;margin-top:8px}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px 26px}
.card .ic{font-size:13px;letter-spacing:.3em;color:var(--gold-l);text-transform:uppercase;margin-bottom:10px}
.card p{font-size:14.5px;color:#544E42}

/* stat / ratio */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:8px 0 14px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px 18px;text-align:center}
.stat .v{font-family:'Jost',sans-serif;font-size:40px;color:var(--gold);line-height:1}
.stat .l{font-size:13px;color:var(--muted);margin-top:8px;letter-spacing:.04em}
.note{font-size:12.5px;color:var(--muted)}

/* steps */
.steps{counter-reset:s;display:grid;gap:16px;max-width:760px;margin:0 auto}
.step{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 24px}
.step::before{counter-increment:s;content:counter(s);flex:none;width:42px;height:42px;border-radius:50%;background:var(--gold-l);color:#fff;font-family:'Jost',sans-serif;font-size:20px;display:flex;align-items:center;justify-content:center}
.step h3{margin-bottom:4px}
.step p{font-size:14.5px;color:#544E42}

/* image placeholder (差し込み枠) */
.imgslot{border:1.5px dashed var(--gold-l);background:var(--paper);border-radius:14px;min-height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);text-align:center;gap:6px}
.imgslot b{color:var(--gold);font-family:'Jost','Noto Sans JP',sans-serif;letter-spacing:.04em}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 22px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:500;padding:16px 0;list-style:none;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';float:right;color:var(--gold-l);font-size:20px}
.faq details[open] summary::after{content:'–'}
.faq p{padding:0 0 18px;font-size:14.5px;color:#544E42}

/* prose (terms) */
.prose{max-width:820px;margin:0 auto}
.prose h3{margin:26px 0 8px}
.prose p,.prose li{font-size:14.5px;color:#4C463B;margin-bottom:8px}
.prose ul{padding-left:20px}
.callout{background:var(--card);border:1px solid var(--line);border-left:none;border-radius:12px;padding:16px 20px;font-size:13.5px;color:#5E5647;margin:14px 0}

/* CTA band */
.ctaband{background:var(--cover);text-align:center}
.ctaband h2{margin-bottom:6px}

/* footer */
footer.site{background:var(--dark);color:#CFC6B2;padding:54px 0 30px;font-size:14px}
footer.site .logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
footer.site .logo img{height:30px}
footer.site .logo span{font-family:'Jost',sans-serif;letter-spacing:.16em;color:var(--gold-h)}
footer.site .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
footer.site a{color:#CFC6B2}
footer.site a:hover{color:var(--gold-h)}
footer.site nav{display:flex;flex-direction:column;gap:8px}
footer.site .disc{border-top:1px solid #3a3426;margin-top:30px;padding-top:18px;font-size:12px;color:#988E78;line-height:1.7}

@media(max-width:820px){
  html,body{overflow-x:hidden}
  section{padding:54px 0}
  .g3,.g2,.stats{grid-template-columns:1fr}
  .nav{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px}
  .nav nav{order:3;width:100%;margin-left:0;justify-content:center;gap:16px}
  .nav .cta{margin-left:auto}
  .hero{padding:64px 0 60px}
  .hero img.logo{height:124px}
  .hero .tag{font-size:25px}
  .hero .sub{font-size:13.5px}
  .btns{flex-direction:column;align-items:center;gap:12px}
  .btns .btn{width:100%;max-width:300px;text-align:center}
  h2{font-size:24px}
}