:root{
  --bg:#08070A; --bg2:#0F0D13; --panel:#141119; --panel2:#1B1722;
  --ink:#F3F0EA; --muted:#98919F; --dim:#6B6577;
  --blood:#D8232A; --blood-d:#7C1016; --ember:#F0851E;
  --l1:#5FD3A8; --l2:#A9D84B; --l3:#F0A93B; --l4:#E8642A; --l5:#D8232A;
  --line:rgba(255,255,255,.11);
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Noto Sans JP",system-ui,sans-serif; font-weight:500;
  line-height:1.8; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mincho{font-family:"Noto Serif JP",serif;font-weight:900}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:100;
  background:rgba(8,7,10,.86); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-head .inner{
  max-width:var(--maxw);margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;flex-direction:column;line-height:1.25;flex:none}
.brand b{font-size:16px;font-weight:900;letter-spacing:.01em}
.brand small{font-size:9.5px;letter-spacing:.22em;color:var(--blood);font-weight:900}
.nav{display:flex;gap:15px;margin-left:auto;font-size:13px;font-weight:700;white-space:nowrap}
.nav a{color:#C9C3D2}
.nav a:hover{color:var(--ink)}
.head-cta{display:flex;gap:8px;flex:none}
.btn{
  white-space:nowrap;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;border-radius:999px;font-size:13.5px;font-weight:900;
  border:1px solid transparent;white-space:nowrap;transition:.15s;
}
.btn-blood{background:var(--blood);color:#fff}
.btn-blood:hover{background:#EE343B}
.btn-line{background:#06C755;color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--ink)}
.btn-ghost:hover{background:rgba(255,255,255,.07)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--ink);
  border-radius:8px;padding:8px 12px;font-size:16px;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;display:block;padding:0;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg)}
/* 映像は帯として独立させる。文字は重ねない */
.hero-video{position:relative;width:100%;aspect-ratio:16/9;max-height:min(62vh,660px);
  overflow:hidden;background:#0A0810}
.hero-video video{position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:center 42%;background:transparent}
.hero-veil{position:absolute;left:0;right:0;bottom:0;top:auto;height:42%;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,7,10,0) 0%,rgba(8,7,10,.72) 62%,var(--bg) 100%)}
.hero .wrap{position:relative;z-index:3;width:100%;padding-top:34px;padding-bottom:76px}
.hero-copy{max-width:860px}
.eyebrow{font-size:12px;letter-spacing:.3em;font-weight:900;color:var(--blood);margin-bottom:20px}
.h1{font-size:clamp(40px,7vw,80px);font-weight:900;line-height:1.1;letter-spacing:-.02em}
.h1 em{font-style:normal;color:var(--blood);white-space:nowrap}
.lede{margin-top:24px;max-width:660px;font-size:17px;line-height:1.95;color:#CFC9D6}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;list-style:none}
.tags li{font-size:12px;font-weight:900;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;color:#BDB6C6;background:rgba(255,255,255,.03)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- sections ---------- */
section{padding:96px 0}
.sec-head{margin-bottom:44px}
.sec-head .eyebrow{margin-bottom:14px}
h2.h2{font-size:clamp(28px,3.6vw,44px);font-weight:900;line-height:1.28;letter-spacing:-.01em}
.sub{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9;max-width:760px}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- level scale ---------- */
.levels{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.lv{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:14px;padding:22px 20px 24px;overflow:hidden;
  transition:.18s;display:block;
}
.lv:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.28)}
.lv::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--c)}
.lv .no{font-size:11px;letter-spacing:.22em;font-weight:900;color:var(--c)}
.lv .ttl{font-size:21px;font-weight:900;margin-top:8px;line-height:1.35}
.lv .age{margin-top:10px;font-size:11.5px;font-weight:900;color:var(--c)}
.lv .txt{margin-top:12px;font-size:12.5px;line-height:1.8;color:#B8B1C2}
.lv .fear{display:flex;gap:4px;margin-top:16px}
.lv .fear i{width:100%;height:5px;border-radius:2px;background:rgba(255,255,255,.12)}
.lv .fear i.on{background:var(--c)}

/* ---------- feature blocks ---------- */
.feature{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.feature.rev{grid-template-columns:.95fr 1.05fr}
.feature.rev .ft-media{order:-1}
.ft-media img{border-radius:16px;border:1px solid var(--line)}
.ft-body h3{font-size:clamp(26px,3vw,38px);font-weight:900;line-height:1.3}
.ft-body p{margin-top:18px;font-size:15.5px;color:#C4BECE;line-height:1.95}
.kv{display:flex;gap:28px;margin-top:26px;flex-wrap:wrap}
.kv div{border-left:2px solid var(--blood);padding-left:14px}
.kv b{display:block;font-size:20px;font-weight:900}
.kv span{font-size:11.5px;color:var(--muted);font-weight:700}

.embed{position:relative;padding-top:56.25%;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- cards ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px;transition:.18s}
.card:hover{border-color:rgba(255,255,255,.26)}
.card .tag{font-size:10.5px;letter-spacing:.18em;font-weight:900;color:var(--blood)}
.card h4{font-size:19px;font-weight:900;margin-top:10px;line-height:1.4}
.card p{margin-top:10px;font-size:13.5px;color:#B8B1C2;line-height:1.85}
.card.soon{opacity:.62;border-style:dashed}
.card.soon .tag{color:var(--dim)}
.card .thumb{margin:-24px -24px 18px;border-radius:14px 14px 0 0;overflow:hidden;aspect-ratio:16/10}
.card .thumb img{width:100%;height:100%;object-fit:cover}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.flow .st{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 24px;position:relative}
.flow .st b{display:inline-flex;width:30px;height:30px;border-radius:9px;background:var(--blood);
  color:#fff;align-items:center;justify-content:center;font-weight:900;font-size:14px}
.flow .st h4{font-size:19px;font-weight:900;margin-top:14px}
.flow .st p{margin-top:10px;font-size:13.5px;color:#B8B1C2;line-height:1.85}

/* ---------- table ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:900;
  padding:0 14px 12px 0;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:16px 14px 16px 0;border-bottom:1px solid rgba(255,255,255,.07);vertical-align:top;line-height:1.75}
.tbl .lvcell{font-weight:900;white-space:nowrap}

/* ---------- faq ---------- */
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-size:16.5px;font-weight:900;list-style:none;display:flex;gap:12px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";color:var(--blood);font-weight:900;flex:none}
.faq p{margin-top:12px;padding-left:26px;font-size:14.5px;color:#B8B1C2;line-height:1.95}

/* ---------- cta ---------- */
.cta-band{background:linear-gradient(135deg,#1A0B0E,#0B0A0D 60%);border-top:1px solid var(--line)}
.cta-band .wrap{text-align:center;padding-top:88px;padding-bottom:88px}

/* ---------- footer ---------- */
footer{background:#060508;border-top:1px solid var(--line);padding:56px 0 40px;font-size:13px;color:var(--muted)}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer a{color:var(--muted)}
footer a:hover{color:var(--ink)}
footer .fnav{display:flex;flex-direction:column;gap:9px}
.copy{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:11.5px;color:var(--dim);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media(max-width:1240px){
  .head-cta .btn-ghost{display:none}
}
@media(max-width:1080px){
  .burger{display:block;margin-left:auto}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;
    background:rgba(10,8,14,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:6px 24px 16px;font-size:15px}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.07)}
  .site-head .inner{position:relative}
  .levels{grid-template-columns:repeat(2,1fr)}
  .hero .wrap{padding-top:26px;padding-bottom:56px}
  .hero-video{max-height:46vh}
  .feature,.feature.rev{grid-template-columns:1fr;gap:32px}
  .feature.rev .ft-media{order:0}
  .grid3,.grid4,.flow{grid-template-columns:1fr}
  footer .cols{grid-template-columns:1fr}
  section{padding:68px 0}
  .hero{min-height:auto}
}
@media(max-width:700px){
  .site-head .inner{gap:10px;padding:10px 16px}
  .head-cta .btn-blood{display:none}
  .head-cta .btn{padding:9px 14px;font-size:12.5px}
  .burger{padding:7px 10px}
  .wrap{padding:0 16px}
}
@media(max-width:560px){
  .levels{grid-template-columns:1fr}
  .brand b{font-size:13px}
  .brand small{font-size:8.5px;letter-spacing:.16em}
}

/* ---------- safety ---------- */
.safety{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sf{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 24px;position:relative;overflow:hidden}
.sf::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--l1)}
.sf .mk{font-size:10.5px;letter-spacing:.2em;font-weight:900;color:var(--l1)}
.sf h4{font-size:18.5px;font-weight:900;margin-top:11px;line-height:1.45}
.sf p{margin-top:11px;font-size:13.5px;color:#B8B1C2;line-height:1.9}
.sf strong{color:var(--ink)}

.checks{list-style:none;margin-top:34px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 30px}
.checks li{font-size:14px;color:#C4BECE;line-height:1.75;padding-left:28px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--l1);font-weight:900;font-size:15px}
.checks li b{color:var(--ink);font-weight:900}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:8px}
.stats .st2{background:var(--panel);padding:28px 22px}
.stats b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:900;line-height:1.1;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stats b i{font-style:normal;font-size:.5em;margin-left:3px;color:var(--muted)}
.stats span{display:block;margin-top:10px;font-size:12px;color:var(--muted);font-weight:700;line-height:1.7}
.note{margin-top:18px;font-size:12px;color:var(--dim);line-height:1.85}

/* ---------- ops list ---------- */
.ops{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px;margin-top:8px}
.ops .row{display:grid;grid-template-columns:120px 1fr;gap:18px;
  padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.ops .row dt{font-size:12.5px;font-weight:900;color:var(--blood);letter-spacing:.04em;line-height:1.7}
.ops .row dd{font-size:14px;color:#C4BECE;line-height:1.9}
.ops .row dd b{color:var(--ink);font-weight:900}

/* ---------- youtube facade ---------- */
.yt{position:relative;padding-top:56.25%;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);background:#0A0810;cursor:pointer}
.yt img,.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt img{object-fit:cover}
.yt .shade{position:absolute;inset:0;background:radial-gradient(60% 60% at 50% 50%,rgba(0,0,0,.15),rgba(0,0,0,.55))}
.yt .pb{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:76px;height:54px;border-radius:14px;background:rgba(216,35,42,.94);
  display:flex;align-items:center;justify-content:center;transition:.16s;
  box-shadow:0 10px 34px rgba(0,0,0,.5)}
.yt .pb::after{content:"";border-left:19px solid #fff;border-top:12px solid transparent;
  border-bottom:12px solid transparent;margin-left:5px}
.yt:hover .pb{transform:translate(-50%,-50%) scale(1.09);background:#EE343B}
.yt .cap{position:absolute;left:16px;bottom:14px;font-size:12px;font-weight:900;
  color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.8)}
.yt.on{cursor:default}
.yt.on .shade,.yt.on .pb,.yt.on .cap,.yt.on img{display:none}

@media(max-width:1000px){
  .safety{grid-template-columns:1fr}
  .checks{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .ops{grid-template-columns:1fr;gap:0}
}
@media(max-width:560px){
  .stats{grid-template-columns:1fr}
  .ops .row{grid-template-columns:1fr;gap:6px}
}

/* ---------- offline hero play ---------- */
.hero-start{position:absolute;left:0;right:0;bottom:26px;z-index:4;display:flex;justify-content:center}
.hero-start button{display:inline-flex;align-items:center;gap:10px;cursor:pointer;
  padding:12px 22px;border-radius:999px;font-size:13px;font-weight:900;color:#fff;
  background:rgba(216,35,42,.94);border:1px solid rgba(255,255,255,.18);
  box-shadow:0 12px 34px rgba(0,0,0,.55);font-family:inherit}
.hero-start button:hover{background:#EE343B}
.hero.playing .hero-start{display:none}

/* ---------- hero fallback play ---------- */
.hero-fallback{position:absolute;left:0;right:0;top:calc(min(62vh,660px) - 76px);z-index:4;display:none;justify-content:center}
.hero.needplay .hero-fallback{display:flex}
.hero-fallback button{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-family:inherit;
  padding:12px 22px;border-radius:999px;font-size:13px;font-weight:900;color:#fff;
  background:rgba(216,35,42,.94);border:1px solid rgba(255,255,255,.2);
  box-shadow:0 12px 34px rgba(0,0,0,.55)}
.hero-fallback button:hover{background:#EE343B}

/* ---------- 切り抜き画像（背景なし）---------- */
.ft-cutout{display:flex;align-items:flex-end;justify-content:center}
.ft-cutout img{border:0;border-radius:0;max-height:560px;width:auto;
  filter:drop-shadow(0 30px 40px rgba(0,0,0,.65)) drop-shadow(0 0 60px rgba(216,35,42,.18))}
@media(max-width:1000px){ .ft-cutout img{max-height:420px} }

/* ---------- works（実績）---------- */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.work{margin:0}
.work figcaption{margin-top:14px;font-size:15.5px;font-weight:900;line-height:1.6}
.work figcaption span{display:block;margin-top:5px;font-size:13px;font-weight:700;color:var(--muted)}
@media(max-width:1000px){ .grid2{grid-template-columns:1fr} }

/* ---------- 横幅の狭い端末（〜360px）---------- */
@media(max-width:360px){
  .site-head .inner{gap:8px;padding:9px 12px}
  .brand b{font-size:12px;letter-spacing:0}
  .brand small{display:none}
  .head-cta{display:none}
  .burger{margin-left:auto;padding:7px 10px}
  .wrap{padding:0 14px}
  .btn{padding:10px 14px;font-size:12.5px}
}
/* ---------- 横に広い表は、表だけ横スクロール ---------- */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl-wrap .tbl{min-width:620px}