/* 業助ブランドサイト 共通スタイル */
:root{
  --primary:#17324D; --secondary:#2C6BAC; --accent:#E8862E;
  --ink:#25292F; --sub:#5F6B7A; --line:#DDE3EA; --soft:#F3F6FA;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",sans-serif;color:var(--ink);line-height:1.85;font-size:16px;background:#fff;}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
h2{font-size:30px;color:var(--primary);line-height:1.5;margin-bottom:12px;letter-spacing:.02em;}
.lead{color:var(--sub);margin-bottom:40px;max-width:720px;}
.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.25em;font-size:13px;margin-bottom:8px;}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;padding:16px 40px;border-radius:6px;text-decoration:none;font-size:17px;box-shadow:0 4px 14px rgba(232,134,46,.35);}
.btn.ghost{background:#fff;color:var(--primary);border:2px solid var(--primary);box-shadow:none;}
.btn.disabled{background:#C6CFD9;color:#fff;box-shadow:none;pointer-events:none;cursor:default;}
.note{font-size:12.5px;color:var(--sub);}

/* header */
header{position:sticky;top:0;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);z-index:10;backdrop-filter:blur(6px);}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brandmark{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brandmark img{height:30px;display:block;}
.brandmark .service{color:var(--primary);font-weight:800;font-size:19px;letter-spacing:.03em;}
nav a{color:var(--ink);text-decoration:none;margin-left:22px;font-size:14px;font-weight:600;}
nav .btn{padding:9px 18px;font-size:14px;margin-left:22px;}

/* hero */
.hero{background:linear-gradient(160deg,var(--primary) 0%,#1F4368 60%,#2C6BAC 100%);color:#fff;padding:88px 0 80px;}
.hero h1{font-size:42px;line-height:1.45;font-weight:800;letter-spacing:.02em;}
.hero h1 em{font-style:normal;color:#FFC98A;}
.hero p.sub{margin:20px 0 32px;font-size:18px;color:#DCE6F2;max-width:640px;}
.badge-beta{display:inline-block;background:#FFC98A;color:var(--primary);font-weight:800;font-size:13px;padding:4px 14px;border-radius:99px;margin-bottom:14px;letter-spacing:.05em;}

/* cards */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{background:var(--soft);border-radius:10px;padding:26px 24px;}
.card h3{color:var(--primary);font-size:17.5px;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--sub);}
.cards6{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cards6 .card{background:#fff;border:1px solid var(--line);}
.num{display:inline-block;background:var(--secondary);color:#fff;font-weight:800;border-radius:50%;width:30px;height:30px;text-align:center;line-height:30px;font-size:14px;margin-bottom:10px;}
.bg-soft{background:var(--soft);}

/* service cards (brand top) */
.service-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 30px;display:flex;flex-direction:column;}
.service-card .kicker{color:var(--accent);font-weight:700;font-size:12.5px;letter-spacing:.15em;margin-bottom:6px;}
.service-card h3{color:var(--primary);font-size:22px;margin-bottom:10px;}
.service-card p{font-size:14.5px;color:var(--sub);flex:1;}
.service-card .btn{margin-top:20px;text-align:center;font-size:15px;padding:12px 24px;}
.service-card.soon{background:var(--soft);border-style:dashed;color:var(--sub);align-items:center;justify-content:center;min-height:220px;}
.service-card.soon .cs{font-weight:800;letter-spacing:.2em;color:#9AA7B5;font-size:15px;}

/* compare table */
table{width:100%;border-collapse:collapse;background:#fff;font-size:15px;}
th,td{border:1px solid var(--line);padding:13px 16px;text-align:left;vertical-align:top;}
thead th{background:var(--primary);color:#fff;}
td.win{background:#FFF4E8;font-weight:700;color:var(--primary);}

/* pricing */
.beta-banner{background:#FFF4E8;border:1.5px solid var(--accent);border-radius:12px;padding:18px 22px;margin-bottom:30px;font-size:15px;}
.beta-banner b{color:var(--accent);}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.plan{border:1px solid var(--line);border-radius:12px;padding:30px 26px;background:#fff;display:flex;flex-direction:column;}
.plan.reco{border:2.5px solid var(--accent);position:relative;}
.plan.reco::before{content:"ベータ期間中 無料";position:absolute;top:-14px;left:24px;background:var(--accent);color:#fff;font-size:12.5px;font-weight:700;padding:3px 14px;border-radius:99px;}
.plan h3{color:var(--primary);font-size:19px;}
.price{font-size:36px;font-weight:800;color:var(--primary);margin:8px 0 2px;}
.price small{font-size:14px;font-weight:600;color:var(--sub);}
.plan ul{list-style:none;margin:16px 0 22px;flex:1;}
.plan li{font-size:14.5px;padding:6px 0 6px 24px;position:relative;border-bottom:1px dashed var(--line);}
.plan li::before{content:"✓";position:absolute;left:2px;color:var(--accent);font-weight:800;}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px;padding:0 20px;}
.faq summary{cursor:pointer;font-weight:700;color:var(--primary);padding:16px 0;font-size:15.5px;list-style:none;}
.faq summary::before{content:"Q. ";color:var(--accent);}
.faq p{padding:0 0 16px;font-size:14.5px;color:var(--sub);}

/* cta / footer */
.cta{background:var(--primary);color:#fff;text-align:center;}
.cta h2{color:#fff;}
footer{background:#0F2238;color:#9FB0C6;font-size:13px;padding:28px 0;}
footer a{color:#9FB0C6;}

.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* sample cards + modal */
.sample-card{display:block;text-decoration:none;cursor:pointer;border:1px solid var(--line);background:#fff;transition:box-shadow .15s;}
.sample-card:hover{box-shadow:0 6px 18px rgba(23,50,77,.12);}
.sample-card .open-label{display:inline-block;margin-top:10px;color:var(--accent);font-weight:700;font-size:13.5px;}
.sample-modal{position:fixed;inset:0;z-index:100;}
.sample-modal[hidden]{display:none;}
.sample-modal-backdrop{position:absolute;inset:0;background:rgba(15,34,56,.62);}
.sample-modal-box{position:absolute;inset:4vh 4vw;background:#fff;border-radius:12px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.35);}
.sample-modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap;}
.sample-tabs{display:flex;gap:8px;}
.sample-tab{border:1.5px solid var(--line);background:#fff;color:var(--sub);font-weight:700;font-size:13.5px;padding:8px 16px;border-radius:99px;cursor:pointer;}
.sample-tab.active{border-color:var(--accent);background:#FFF4E8;color:var(--primary);}
.sample-actions{display:flex;align-items:center;gap:10px;}
.sample-actions .btn.sample-pdf{padding:8px 16px;font-size:13.5px;}
.sample-close{border:none;background:var(--soft);color:var(--sub);width:36px;height:36px;border-radius:50%;font-size:20px;cursor:pointer;line-height:1;}
#sample-frame{flex:1;width:100%;border:none;}

@media (max-width:760px){
  .cards3,.cards6,.plans,.services-grid{grid-template-columns:1fr;}
  .hero h1{font-size:30px;}
  h2{font-size:24px;}
  nav a:not(.btn){display:none;}
  .sample-modal-box{inset:0;border-radius:0;}
}