/* 2026-08-17 変更: ナビロゴを画像に（実寸が大きいのでヘッダー高に収める） */
:root{
  --navy:#0b1b46;
  --blue:#075de0;
  --blue2:#0b83ff;
  --purple:#7b5cf6;
  --ink:#15213b;
  --muted:#677089;
  --line:#dfe7f6;
  --bg:#f5f8ff;
  --white:#ffffff;
  --gold:#d6a54a;
  --shadow:0 18px 50px rgba(17,57,136,.12);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,a{touch-action:manipulation}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
.section{padding:104px 0}
.section-sm{padding:72px 0}
.kicker{
  display:inline-flex;align-items:center;gap:.55rem;
  color:var(--blue);font-size:.82rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
}
.kicker::before{content:"";width:30px;height:2px;background:linear-gradient(90deg,var(--blue),var(--purple))}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(2.55rem,6vw,5.4rem);line-height:1.12;letter-spacing:-.035em}
h2{font-size:clamp(2rem,4vw,3.6rem);line-height:1.2;letter-spacing:-.03em}
h3{font-size:1.28rem;line-height:1.45}
.lead{font-size:clamp(1.05rem,2vw,1.32rem);color:#4d5b78}
.muted{color:var(--muted)}
.gradient-text{background:linear-gradient(100deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.badge{
  display:inline-flex;align-items:center;gap:.45rem;padding:.48rem .85rem;border-radius:999px;
  background:#eef4ff;color:#0c5bd7;font-size:.85rem;font-weight:800
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.65rem;
  min-height:52px;padding:0 22px;border-radius:999px;font-weight:800;
  transition:.2s ease;white-space:nowrap
}
.btn-primary{background:linear-gradient(100deg,var(--blue),var(--purple));color:#fff;box-shadow:0 13px 28px rgba(20,92,220,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(20,92,220,.28)}
.btn-outline{border:1px solid #bdcae6;background:#fff;color:var(--navy)}
.btn-outline:hover{border-color:#7ba2ef;background:#f7faff}
.btn-white{background:#fff;color:var(--blue)}
.nav{
  position:sticky;top:0;z-index:30;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(203,216,242,.7)
}
.nav-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand-logo{height:52px;width:auto;max-height:52px;object-fit:contain;display:block}
.menu{display:flex;align-items:center;gap:28px;font-size:.92rem;font-weight:700}
.menu a:hover{color:var(--blue)}
.menu-toggle{display:none;background:none;border:0;font-size:1.55rem}
.hero{
  position:relative;overflow:hidden;padding:92px 0 88px;
  background:
    radial-gradient(circle at 12% 10%,rgba(122,92,246,.14),transparent 28%),
    radial-gradient(circle at 88% 20%,rgba(6,126,255,.15),transparent 30%),
    linear-gradient(180deg,#fff 0,#f7faff 100%);
}
.hero:after{
  content:"";position:absolute;width:590px;height:590px;border-radius:50%;
  border:1px solid rgba(80,128,230,.12);right:-180px;top:-120px;box-shadow:0 0 0 65px rgba(80,128,230,.035),0 0 0 130px rgba(80,128,230,.025)
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-card{
  background:rgba(255,255,255,.86);border:1px solid rgba(191,208,240,.85);
  border-radius:34px;padding:28px;box-shadow:var(--shadow)
}
.hero-card-top{
  min-height:280px;border-radius:26px;padding:30px;color:#fff;
  background:linear-gradient(145deg,#0b5ee4,#7661f4);display:flex;flex-direction:column;justify-content:space-between;
  position:relative;overflow:hidden
}
.hero-card-top:after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.25);border-radius:50%;right:-90px;top:-60px}
.hero-card-top strong{font-size:1.55rem;line-height:1.45;position:relative;z-index:1}
.hero-card-top span{font-size:.9rem;opacity:.85}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px}
.stat{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
.stat b{display:block;font-size:1.45rem;color:var(--blue)}
.section-head{max-width:760px;margin-bottom:48px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:28px;box-shadow:0 12px 40px rgba(23,72,154,.06)}
.card-icon{
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  background:linear-gradient(145deg,#e8f1ff,#f0eaff);color:var(--blue);font-size:1.6rem;font-weight:900;margin-bottom:18px
}
.mission{position:relative;overflow:hidden}
.mission .num{font-size:3.4rem;line-height:1;color:#dce8fb;font-weight:900;position:absolute;right:18px;top:12px}
.about{
  background:linear-gradient(180deg,#f7faff 0,#fff 100%);
}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:62px;align-items:center}
.visual-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.visual-panel{
  min-height:220px;border-radius:26px;padding:24px;color:#fff;display:flex;align-items:flex-end;
  background:linear-gradient(145deg,#0c5ce0,#7660f4);position:relative;overflow:hidden
}
.visual-panel:nth-child(2){transform:translateY(34px);background:linear-gradient(145deg,#142d68,#0877ef)}
.visual-panel:before{content:"";position:absolute;width:190px;height:190px;border-radius:50%;border:1px solid rgba(255,255,255,.22);right:-45px;top:-55px}
.visual-panel b{font-size:1.25rem;position:relative;z-index:1}
.training-banner{
  background:linear-gradient(110deg,#075de0,#765cf6);color:#fff;border-radius:36px;padding:46px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;box-shadow:0 24px 60px rgba(22,83,210,.22)
}
.training-banner h2{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:14px}
.training-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.training-meta div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);padding:16px;border-radius:18px}
.training-meta small{display:block;opacity:.78}.training-meta b{font-size:1.1rem}
.boc{background:#0a1a45;color:#fff;position:relative;overflow:hidden}
.boc:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 20%,rgba(91,103,248,.45),transparent 32%)}
.boc .container{position:relative;z-index:1}
.boc .lead,.boc .muted{color:#d3dcf2}
.boc-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.boc-number{font-size:clamp(4rem,10vw,8.5rem);line-height:.8;font-weight:900;background:linear-gradient(100deg,#59b7ff,#a58aff);-webkit-background-clip:text;background-clip:text;color:transparent}
.pills{display:flex;gap:10px;flex-wrap:wrap}
.pill{border:1px solid rgba(255,255,255,.22);padding:8px 14px;border-radius:999px;color:#edf3ff}
.education-list{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.edu-card{border:1px solid var(--line);border-radius:22px;padding:22px 18px;text-align:center;background:#fff}
.edu-card .card-icon{margin:0 auto 14px}
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.member{border:1px solid var(--line);border-radius:24px;background:#fff;overflow:hidden;box-shadow:0 10px 34px rgba(18,69,143,.06)}
.member img{width:100%;height:260px;object-fit:cover;object-position:center top}
.member-body{padding:20px}
.member small{color:var(--blue);font-weight:800}.member b{display:block;font-size:1.25rem;color:var(--navy)}
.cta{
  padding:68px 0;background:linear-gradient(110deg,#071b4e,#0b5fe1 60%,#775cf6);color:#fff
}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.footer{padding:42px 0;background:#061331;color:#b7c4e0;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:start}
.footer a{color:#fff}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.seo-note{font-size:.78rem;color:#79859d}
.breadcrumb{font-size:.85rem;color:#687795;padding:18px 0}
.breadcrumb a{color:var(--blue)}
.training-hero{
  padding:70px 0 50px;background:
    radial-gradient(circle at 85% 18%,rgba(123,92,246,.14),transparent 28%),
    linear-gradient(180deg,#fff,#f7faff)
}
.training-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.event-card{position:sticky;top:96px;border:1px solid var(--line);border-radius:30px;padding:28px;background:#fff;box-shadow:var(--shadow)}
.event-row{display:grid;grid-template-columns:90px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.event-row:last-child{border-bottom:0}
.event-row small{color:#73809a;font-weight:700}.event-row b{color:var(--navy)}
.event-card .btn{width:100%;margin-top:18px}
.faq{display:grid;gap:14px}
.faq details{border:1px solid var(--line);border-radius:18px;padding:18px 20px;background:#fff}
.faq summary{font-weight:800;color:var(--navy);cursor:pointer}
.source-box{border-left:4px solid var(--blue);background:#f6f9ff;padding:20px 22px;border-radius:0 18px 18px 0}
.source-box a{color:var(--blue);text-decoration:underline}
.callout{border-radius:26px;padding:28px;background:linear-gradient(135deg,#f1f6ff,#f8f3ff);border:1px solid #dce6fb}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{padding-left:28px;position:relative;margin:.65rem 0}
.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:900}
@media(max-width:900px){
  .menu{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:14px}
  .menu.open{display:flex}.menu-toggle{display:block}
  .hero-grid,.about-grid,.training-banner,.boc-grid,.training-layout{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}
  .education-list{grid-template-columns:repeat(2,1fr)}
  .board-grid{grid-template-columns:repeat(2,1fr)}
  .event-card{position:static}
}
@media(max-width:600px){
  .container{width:min(100% - 28px,1120px)}
  .section{padding:76px 0}.section-sm{padding:56px 0}
  .nav-inner{height:66px}.brand-logo{height:44px;max-height:44px}
  .hero{padding:64px 0}.hero-grid{gap:34px}
  h1{font-size:clamp(2.35rem,13vw,3.8rem)}
  .hero-card{padding:18px;border-radius:26px}.hero-card-top{min-height:230px;padding:24px}
  .grid-4,.board-grid,.education-list{grid-template-columns:1fr}
  .training-banner{padding:28px 22px;border-radius:28px}
  .training-meta{grid-template-columns:1fr}
  .visual-stack{grid-template-columns:1fr}.visual-panel:nth-child(2){transform:none}
  .member img{height:310px}
  .cta-inner,.footer-grid{display:block}.cta .btn{margin-top:18px}.footer-links{margin-top:18px}
  .event-row{grid-template-columns:72px 1fr}
}