:root{
  --ink:#0E1320;
  --sub:#4B5565;
  --line:rgba(14,19,32,.10);
  --bg:#FFFFFF;
  --tint:#F6F7FB;
  --accent:#0A5BFF;
  --radius:18px;
  --wrap:1200px;
  --shadow:0 18px 50px rgba(14,19,32,.10);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
}

.wrap{
  width:min(var(--wrap), calc(100% - 40px));
  margin-inline:auto;
}

/* Header */
.siteHeader{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.headerInner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:inherit;
}
.brandMark{
  width:36px;height:36px;border-radius:12px;
  background: radial-gradient(circle at 30% 35%, rgba(10,91,255,.25), transparent 55%),
              radial-gradient(circle at 70% 70%, rgba(10,91,255,.15), transparent 60%),
              #0F172A;
  box-shadow: 0 10px 24px rgba(15,23,42,.18);
}
.brandName{font-weight:800;letter-spacing:.02em;font-size:14px;display:block}
.brandSub{font-size:12px;color:var(--sub);display:block;margin-top:2px}

.gnav{display:flex;gap:14px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.gnav a{
  text-decoration:none;
  color:var(--sub);
  padding:10px 10px;
  border-radius:12px;
}
.gnav a:hover{background:rgba(10,91,255,.06); color:var(--ink)}
.btnSmall{
  border:1px solid rgba(10,91,255,.25);
  background:rgba(10,91,255,.08);
  color:var(--ink) !important;
}

/* HERO PHOTO */
.heroPhoto{
  position:relative;
  min-height: 78vh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
}
.heroPhotoBg{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(14,19,32,.72), rgba(14,19,32,.25)),
    url("/openblock/assets/img/hero.jpg") center/cover no-repeat;
  transform: scale(1.02);
}
.heroPhotoInner{
  position:relative;
  padding: 84px 0 58px;
  color:#fff;
  max-width: 820px;
}
.kicker{
  margin:0 0 10px;
  font-size:12px;
  letter-spacing:.18em;
  opacity:.88;
}
.heroTitle{
  margin:0 0 14px;
  font-size: clamp(34px, 4.8vw, 56px);
  line-height:1.1;
  letter-spacing:.01em;
}
.heroLead{
  margin:0 0 20px;
  font-size:16px;
  line-height:1.9;
  opacity:.92;
}
.heroActions{display:flex;gap:12px;flex-wrap:wrap;margin: 18px 0 16px}
.btnPrimary,.btnGhost{
  display:inline-flex;align-items:center;justify-content:center;
  padding: 12px 16px;border-radius: 999px;
  text-decoration:none;
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
}
.btnPrimary{background: var(--accent); border-color: transparent}
.btnGhost{background: rgba(255,255,255,.10)}
.btnPrimary:hover,.btnGhost:hover{transform: translateY(-1px)}

.heroBadges{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.pill{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.26);
  background: rgba(255,255,255,.08);
  font-size: 12px;
}

/* Sections */
.section{padding:72px 0}
.section.tint{background:var(--tint); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.sectionHead h2{margin:0 0 8px; font-size: 26px; letter-spacing:.01em}
.sectionHead p{margin:0; color:var(--sub); line-height:1.9; max-width: 80ch}

.twoCol{
  margin-top: 22px;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.paper{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background:#fff;
  box-shadow: 0 10px 24px rgba(14,19,32,.06);
}
.paper h3{margin:0 0 8px; font-size:16px}
.paper p{margin:0; color:var(--sub); line-height:1.9}

.cards3{
  margin-top:22px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.cardLite{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background:#fff;
  box-shadow: 0 10px 24px rgba(14,19,32,.06);
}
.cardLite h3{margin:0 0 8px; font-size:16px}
.cardLite p{margin:0 0 10px; color:var(--sub); line-height:1.9}
.cardLite ul{margin:0; padding-left: 18px; color:var(--ink); line-height:1.9}
.cardLite li{margin:6px 0}

/* CTA */
.section.cta{
  background: linear-gradient(180deg, #fff, rgba(10,91,255,.04));
}
.ctaInner{
  border:1px solid rgba(10,91,255,.18);
  border-radius: calc(var(--radius) + 6px);
  padding: 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  box-shadow: var(--shadow);
}
.ctaActions{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
.siteFooter{
  border-top:1px solid var(--line);
  background:#fff;
}
.footerInner{
  display:flex;
  justify-content:space-between;
  gap: 16px;
  padding: 26px 0;
  align-items:flex-start;
}
.footerName{font-weight:800}
.footerNote{margin:8px 0 0; color:var(--sub); line-height:1.9}
.footerLinks{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.footerLinks a{color:var(--sub); text-decoration:none; padding:8px 10px; border-radius:12px}
.footerLinks a:hover{background:rgba(10,91,255,.06); color:var(--ink)}
.footerBottom{padding: 14px 0; color: rgba(14,19,32,.55); border-top:1px solid var(--line)}

/* Responsive */
@media (max-width: 980px){
  .twoCol{grid-template-columns:1fr}
  .cards3{grid-template-columns:1fr}
  .ctaInner{flex-direction:column; align-items:flex-start}
  .heroPhoto{min-height: 70vh}
}


.heroPhotoBg{
  background:
    linear-gradient(90deg, rgba(14,19,32,.58), rgba(14,19,32,.18)),
    url("/assets/img/hero.jpg") center/cover no-repeat;
}


/* ===== Mobile Menu (Hamburger) ===== */
.menuBtn{
  display:none;
  width:44px;
  height:44px;
  border-radius: 14px;
   border: 1px solid rgba(14,19,32,.25);
  background: rgba(255,255,255,.85);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.menuBtn__bar{
  display:block;
  width:18px;
  height:2px;
 background: #0E1320;
   border-radius:999px;
  opacity:.92;
}

/* モバイルメニュー本体 */
.mobileMenu{
  border-top: 1px solid rgba(255,255,255,.18);
  background: rgba(14,19,32,.78);
  backdrop-filter: blur(10px);
}
.mobileMenu__inner{
  display:grid;
  gap: 8px;
  padding: 12px 0 16px;
}
.mLink{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 14px;
  border-radius: 16px;
  text-decoration:none;
  color:#fff;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
}
.mLink:hover{ background: rgba(255,255,255,.12); }
.mLink--cta{
  background: rgba(10,91,255,.92);
  border-color: transparent;
}

/* メニュー開いてる時、背景スクロール抑制 */
body.isMenuOpen{ overflow:hidden; }

/* ===== Header: PC/Mobile switch ===== */
@media (max-width: 980px){
  .gnav--pc{ display:none; }
  .menuBtn{ display:inline-flex; }

  /* ヒーロー：スマホで読みやすく、押しやすく */
  .heroPhoto{ min-height: 64vh; }
  .heroPhotoInner{ padding: 76px 0 42px; }
  .heroLead{ font-size: 14px; }

  .heroActions a,
  .ctaActions a{
    width:100%;
    justify-content:center;
  }

  /* CTAの並びも縦に */
  .ctaInner{ flex-direction:column; align-items:flex-start; }
}

/* ===== Optional: hero overlay tuning (写真を主役に) ===== */
.heroPhotoBg{
  background:
    linear-gradient(90deg, rgba(14,19,32,.58), rgba(14,19,32,.18)),
    url("/assets/img/hero.jpg") center/cover no-repeat;
}


.sectionTight{ padding: 34px 0 10px; }

.facts{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 10px;
}
.fact{
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.10);
  border-radius: 16px;
  padding: 14px;
}
.factK{
  font-size:12px;
  letter-spacing:.12em;
  opacity:.88;
}
.factV{
  margin-top:6px;
  font-weight:800;
}
.factS{
  margin-top:6px;
  font-size:12px;
  opacity:.90;
}

.miniNote{
  margin-top: 10px;
  font-size: 12px;
  color: rgba(14,19,32,.62);
}

.process{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}
.pStep{
  border:1px solid rgba(14,19,32,.10);
  background:#fff;
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 10px 24px rgba(14,19,32,.06);
  display:flex;
  gap: 12px;
}
.pNum{
  width:40px;height:40px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background: rgba(10,91,255,.10);
  border:1px solid rgba(10,91,255,.22);
  font-weight:900;
}
.pTitle{ font-weight:900; margin-bottom:4px; }
.pDesc{ color: var(--sub); line-height:1.8; font-size: 14px; }

.faq{ display:grid; gap: 10px; margin-top: 22px; }
.qa{
  border:1px solid rgba(14,19,32,.10);
  background:#fff;
  border-radius: 18px;
  padding: 12px 14px;
  box-shadow: 0 10px 24px rgba(14,19,32,.06);
}
.qa summary{
  cursor:pointer;
  font-weight:800;
  padding: 6px 0;
}
.qa p{ margin: 10px 0 6px; color: var(--sub); line-height:1.9; }

@media (max-width: 980px){
  .facts{ grid-template-columns: 1fr 1fr; }
  .process{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  .facts{ grid-template-columns: 1fr; }
}