:root{
  --bg:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --card:#ffffff;
  --line:#e5e7eb;
  --blue:#3A7CE9;
  --yellow:#FFC107;
  --green:#26A5A4;
  --shadow:0 16px 38px rgba(17,24,39,.08);
  --soft:linear-gradient(135deg, rgba(58,124,233,.13), rgba(255,193,7,.14), rgba(38,165,164,.11));
  --radius:18px;
  --radius-lg:28px;
  --max:1120px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:82px; }
body{
  margin:0;
  font-family:ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 8% 0%, rgba(58,124,233,.08), transparent 64%),
    radial-gradient(800px 520px at 92% 7%, rgba(255,193,7,.12), transparent 60%),
    #fff;
  line-height:1.7;
}
a{ color:inherit; }
img, video{ max-width:100%; }
.wrap{ width:min(100% - 40px, var(--max)); margin:0 auto; }
body.is-lightbox-open{ overflow:hidden; }

.site-header{
  position:sticky;
  top:0;
  z-index:10;
  border-bottom:1px solid rgba(229,231,235,.75);
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
}
.nav{
  height:66px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  font-weight:900;
  white-space:nowrap;
}
.brand-badge{
  width:40px;
  height:40px;
  border:1px solid rgba(229,231,235,.9);
  border-radius:12px;
  display:grid;
  place-items:center;
  background:#fff;
  box-shadow:0 8px 18px rgba(17,24,39,.07);
  overflow:hidden;
}
.brand-badge img{ width:100%; height:100%; object-fit:cover; }
.links{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  min-width:0;
}
.links a{
  color:var(--muted);
  text-decoration:none;
  font-size:14px;
  font-weight:800;
  padding:8px 10px;
  border-radius:12px;
  white-space:nowrap;
}
.links a:hover{ color:var(--text); background:rgba(17,24,39,.04); }

.hero{ padding:34px 0 26px; }
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0, .9fr) minmax(320px, 1.1fr);
  gap:24px;
  align-items:center;
  border:1px solid rgba(229,231,235,.9);
  border-radius:var(--radius-lg);
  background:var(--soft), #fff;
  box-shadow:var(--shadow);
  padding:26px;
}
.kicker{
  margin:0 0 7px;
  color:var(--green);
  font-size:12px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}
h1,h2,h3,p{ overflow-wrap:break-word; }
h1{
  margin:0 0 10px;
  font-size:clamp(34px, 5vw, 58px);
  line-height:1.04;
  letter-spacing:0;
}
.hero-lead{
  margin:0;
  max-width:680px;
  color:#4b5563;
  font-size:18px;
  font-weight:700;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--text);
  background:#fff;
  box-shadow:0 12px 24px rgba(17,24,39,.06);
  font-size:14px;
  font-weight:900;
  line-height:1.15;
  text-decoration:none;
  cursor:pointer;
}
.btn.primary{
  color:#fff;
  border-color:rgba(58,124,233,.45);
  background:var(--blue);
  box-shadow:0 16px 30px rgba(58,124,233,.24);
}
.btn:hover{ transform:translateY(-1px); }
.hero-media{
  border:1px solid rgba(229,231,235,.85);
  border-radius:22px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 14px 30px rgba(17,24,39,.08);
}
.hero-media img{
  width:100%;
  display:block;
  aspect-ratio:1232 / 706;
  object-fit:cover;
}

.content-grid{
  display:grid;
  grid-template-columns:220px minmax(0, 1fr);
  gap:22px;
  align-items:start;
  padding-bottom:18px;
}
.toc{
  position:sticky;
  top:86px;
  display:grid;
  gap:4px;
  padding:12px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.88);
  box-shadow:0 12px 26px rgba(17,24,39,.06);
}
.toc a{
  color:var(--muted);
  text-decoration:none;
  font-size:13px;
  font-weight:850;
  padding:8px 10px;
  border-radius:10px;
}
.toc a:hover{ color:var(--text); background:rgba(58,124,233,.08); }
.sections{ display:grid; gap:22px; }
.section-card{
  border:1px solid rgba(229,231,235,.95);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow);
  padding:24px;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:18px;
}
h2{
  margin:0;
  font-size:28px;
  line-height:1.18;
}
h3{
  margin:0 0 7px;
  font-size:17px;
  line-height:1.3;
}

.info-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:10px;
  margin:0;
}
.info-grid div{
  min-width:0;
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
}
.info-grid .wide{ grid-column:1 / -1; }
dt{
  margin:0 0 4px;
  color:var(--muted);
  font-size:11px;
  font-weight:900;
  line-height:1.2;
  text-transform:uppercase;
}
dd{
  margin:0;
  font-weight:850;
  line-height:1.35;
}
.copy-block{
  color:#374151;
  font-weight:650;
}
.copy-block p{ margin:0 0 13px; }
.copy-block h3{
  margin-top:22px;
  color:var(--text);
}
.copy-block h3:first-child{ margin-top:0; }
.policy{
  border-left:4px solid var(--blue);
  padding-left:18px;
}

.video-list{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
}
.trailer-card{
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px;
  border:1px solid rgba(58,124,233,.22);
  border-radius:18px;
  background:linear-gradient(135deg, rgba(58,124,233,.11), rgba(255,193,7,.1)), #fff;
}
.trailer-card p,
.media-card p{ margin:0; color:var(--muted); font-size:13px; font-weight:700; }
.media-card{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 22px rgba(17,24,39,.05);
}
.media-card video{
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  background:#111827;
}
.media-card div{ padding:14px; }

.asset-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
}
.asset-card{
  margin:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 22px rgba(17,24,39,.05);
}
.asset-card a{ display:block; }
.asset-card img{
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
  background:#f8fafc;
}
.asset-card figcaption{
  padding:11px 13px 13px;
  color:#4b5563;
  font-size:13px;
  font-weight:800;
}

.feature-list{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.feature-list li{
  min-height:50px;
  display:flex;
  align-items:center;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  color:#374151;
  font-weight:800;
}
.feature-list li::before{
  content:"";
  width:9px;
  height:9px;
  margin-right:10px;
  border-radius:999px;
  background:var(--green);
  box-shadow:0 0 0 4px rgba(38,165,164,.12);
  flex:0 0 auto;
}

.logo-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
}
.logo-card{
  margin:0;
  display:grid;
  gap:12px;
  align-content:center;
  min-height:230px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
  box-shadow:0 10px 22px rgba(17,24,39,.05);
}
.logo-card img{
  display:block;
  width:100%;
  max-height:150px;
  object-fit:contain;
}
.logo-card figcaption{
  display:grid;
  gap:2px;
  color:var(--muted);
  font-size:12px;
  font-weight:800;
}
.logo-card figcaption strong{
  color:var(--text);
  font-size:14px;
}
.logo-card.dark-card{
  color:#fff;
  border-color:rgba(255,255,255,.16);
  background:linear-gradient(135deg, #111827, #1f2937);
}
.logo-card.dark-card figcaption,
.logo-card.dark-card figcaption strong{ color:#fff; }
.icon-card img{ max-height:128px; }

.download-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:var(--soft), #fff;
}
.download-card p{ margin:8px 0 0; color:#4b5563; font-weight:700; }
.link-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:10px;
}
.link-grid a{
  display:grid;
  gap:3px;
  padding:13px 14px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  text-decoration:none;
}
.link-grid a:hover{ border-color:rgba(58,124,233,.38); background:rgba(58,124,233,.04); }
.link-grid span{
  color:var(--muted);
  font-size:11px;
  font-weight:900;
  text-transform:uppercase;
}
.link-grid strong{
  overflow:hidden;
  color:var(--text);
  font-size:13px;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.contact-note{
  margin:16px 0 0;
  color:#4b5563;
  font-weight:750;
}

.site-footer{
  margin-top:26px;
  padding:26px 0 38px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
}
.footer-grid{
  display:flex;
  gap:16px;
  align-items:center;
  flex-wrap:wrap;
}
.footer-links{
  margin-left:auto;
  display:flex;
  justify-content:flex-end;
  gap:14px;
  flex-wrap:wrap;
}
.footer-links a{
  color:var(--muted);
  text-decoration:none;
  font-weight:800;
}
.footer-links a:hover{ color:var(--text); }

.lightbox{
  position:fixed;
  inset:0;
  z-index:50;
  display:grid;
  place-items:center;
  padding:58px 22px 24px;
  background:rgba(17,24,39,.84);
}
.lightbox[hidden]{ display:none; }
.lightbox-frame{
  margin:0;
  width:min(1120px, 100%);
  max-height:calc(100vh - 100px);
  display:grid;
  gap:12px;
}
.lightbox-frame img{
  max-height:calc(100vh - 150px);
  width:100%;
  object-fit:contain;
  border-radius:18px;
  background:#111827;
  box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.lightbox-frame figcaption{
  color:#fff;
  text-align:center;
  font-weight:800;
}
.lightbox-close{
  position:absolute;
  top:16px;
  right:18px;
  min-height:40px;
  padding:9px 13px;
  border:1px solid rgba(255,255,255,.3);
  border-radius:12px;
  color:#fff;
  background:rgba(255,255,255,.12);
  font:inherit;
  font-weight:900;
  cursor:pointer;
}

@media (max-width: 980px){
  .links{ display:none; }
  .hero-grid{ grid-template-columns:1fr; }
  .content-grid{ grid-template-columns:1fr; }
  .toc{
    position:static;
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 720px){
  .wrap{ width:min(100% - 28px, var(--max)); }
  .hero{ padding-top:22px; }
  .hero-grid,
  .section-card{ padding:18px; border-radius:22px; }
  .hero-actions,
  .download-card,
  .trailer-card{ align-items:stretch; flex-direction:column; }
  .btn{ width:100%; }
  .info-grid,
  .video-list,
  .asset-grid,
  .feature-list,
  .logo-grid,
  .link-grid{ grid-template-columns:1fr; }
  .section-head{ display:block; }
  h2{ font-size:24px; }
}
@media (max-width: 460px){
  .toc{ grid-template-columns:1fr; }
  .brand span:last-child{ font-size:14px; }
  .hero-lead{ font-size:16px; }
}
