:root{
  --bg:#0d1014; --panel:#151a21; --panel2:#1b222b; --line:#28313d;
  --ink:#e7eef5; --dim:#7d8b9c; --cb:#2f6bff; --cr:#ff3b5c; --y:#f2f7ff;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:"Archivo","Helvetica Neue",Arial,sans-serif;
  --jp:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--jp);font-size:14.5px;line-height:1.95;
  letter-spacing:.02em;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(40,49,61,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(40,49,61,.5) 1px,transparent 1px);
  background-size:48px 48px;
}
a{color:var(--ink)}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}

/* ── nav ── */
.topnav{display:flex;justify-content:space-between;align-items:center;padding:18px 0 0}
.logo{font-family:var(--disp);font-weight:900;font-size:18px;letter-spacing:.045em;line-height:1;
  position:relative;white-space:nowrap;text-decoration:none;color:var(--ink)}
.logo span{position:absolute;inset:0;opacity:.85;pointer-events:none}
.logo .a{color:var(--cr);transform:translate(-1.5px,-1px);mix-blend-mode:screen}
.logo .b{color:var(--cb);transform:translate(1.5px,1px);mix-blend-mode:screen}
.navCta{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:#150207;background:var(--cr);
  border:1px solid var(--cr);border-radius:2px;padding:8px 16px;text-decoration:none;transition:.15s}
.navCta:hover{background:#ff5573;border-color:#ff5573}

/* ── hero ── */
.heroWrap{position:relative;margin-top:20px;min-height:min(84svh,700px);display:flex;align-items:center;
  overflow:hidden;border:1px solid var(--line)}
.heroVis{position:absolute;inset:0;background:#000}
.heroVis img{width:100%;height:100%;object-fit:cover}
.heroVis canvas{position:absolute;inset:0;width:100%;height:100%}
.heroVis::after{content:'';position:absolute;inset:0;
  background:linear-gradient(to right,rgba(13,16,20,.82) 0%,rgba(13,16,20,.46) 46%,rgba(13,16,20,.06) 76%),
             linear-gradient(to top,rgba(13,16,20,.6) 0%,rgba(13,16,20,0) 30%)}
.heroTxt{position:relative;z-index:1;width:100%;padding-top:64px;padding-bottom:80px}
.heroTxt .eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.28em;color:var(--dim);margin-bottom:14px}
h1{font-family:var(--disp);font-weight:900;font-size:clamp(44px,8.6vw,84px);
  letter-spacing:.02em;line-height:.98;color:var(--y);position:relative;display:inline-block}
h1 .ga,h1 .gb{position:absolute;inset:0;opacity:.8;pointer-events:none}
h1 .ga{color:var(--cr);transform:translate(-3px,-1.5px);mix-blend-mode:screen}
h1 .gb{color:var(--cb);transform:translate(3px,1.5px);mix-blend-mode:screen}
.heroTxt .tag{font-family:var(--jp);font-size:clamp(15px,2.4vw,19px);letter-spacing:.1em;
  color:var(--ink);margin-top:20px;font-weight:600}
.heroTxt .sub{font-size:13.5px;color:#9dabbb;margin-top:14px;max-width:33em;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.ctaRow{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:30px}
.cta{display:inline-block;font-family:var(--mono);font-size:13.5px;letter-spacing:.08em;
  color:#150207;background:var(--cr);padding:14px 36px;border-radius:2px;border:1px solid var(--cr);
  text-decoration:none;transition:.15s;font-weight:500}
.cta:hover{background:#ff5573;border-color:#ff5573}
.ctaNote{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--dim)}
.heroCap{position:absolute;right:14px;bottom:10px;z-index:2;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.08em;color:rgba(231,238,245,.6);text-shadow:0 1px 5px rgba(0,0,0,.9)}
.heroHint{position:absolute;left:14px;bottom:10px;z-index:2;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.05em;color:rgba(231,238,245,.4)}
@media(max-width:720px){
  .heroCap{left:14px;text-align:right}
  .heroHint{right:14px;bottom:30px}
}

/* ── 差し替え前提の画像枠 ── */
.shot{position:relative;background:
  repeating-linear-gradient(0deg,#10151b 0 2px,#0c1015 2px 4px);
  border-bottom:1px solid var(--line);overflow:hidden}
.shot img{width:100%;height:100%;object-fit:cover}
.shot.empty img{display:none}
.shot.empty::after{
  content:'画像を配置してください\A' attr(data-src) '\A' attr(data-size);
  white-space:pre;position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  text-align:center;font-family:var(--mono);font-size:10.5px;line-height:2;letter-spacing:.05em;color:var(--dim);
  border:1px dashed var(--line);margin:10px;padding:10px}
.shot.r32{aspect-ratio:3/2}

/* ── 素材2枚 → 上の作例、の並び ── */
.srcHead{display:flex;justify-content:space-between;align-items:baseline;gap:8px;
  padding:8px 12px 0;font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--dim)}
.srcHead b{font-weight:400;color:var(--cr)}
.srcRow{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:7px;padding:7px 12px 0}
.srcRow .shot{aspect-ratio:3/2;border:1px solid var(--line);border-bottom:1px solid var(--line)}
.srcRow .shot.empty::after{content:attr(data-src) '\A' attr(data-size);font-size:8.5px;line-height:1.9;
  margin:5px;padding:3px;white-space:pre-line;word-break:break-all;letter-spacing:.02em}
.srcRow .plus{font-family:var(--mono);font-size:15px;color:var(--cr)}

/* ── section ── */
section{padding:48px 0 8px}
.plate{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid var(--line);
  padding-bottom:12px;margin-bottom:24px}
.plate .num{font-family:var(--mono);font-size:11px;color:var(--cr);letter-spacing:.1em}
.plate .en{font-family:var(--disp);font-weight:900;font-size:clamp(20px,3.6vw,30px);
  letter-spacing:.03em;color:var(--y);text-transform:uppercase}
.plate .ja{font-size:12px;color:var(--dim);letter-spacing:.1em}
.lead{font-size:14px;color:#b9c4d0;max-width:46em;margin-bottom:24px}

/* ── preset cards ── */
.presets{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));align-items:start}
.pcard{background:var(--panel);border:1px solid var(--line);border-radius:2px;display:flex;flex-direction:column}
.pcard .body{padding:16px 18px 18px}
.pcard h3{font-family:var(--jp);font-weight:700;font-size:17px;letter-spacing:.1em;color:var(--y)}
.pcard .en{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--cr);margin-top:2px;text-transform:uppercase}
.pcard p{font-size:12.5px;color:var(--dim);margin-top:9px}

/* ── module list ── */
.mods{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:2px;overflow:hidden;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.mcard{background:var(--panel);padding:16px 18px}
.mcard .head{display:flex;align-items:baseline;gap:9px}
.mcard .num{font-family:var(--mono);font-size:10px;color:var(--dim)}
.mcard h3{font-family:var(--disp);font-weight:700;font-size:14px;letter-spacing:.05em;color:var(--y);text-transform:uppercase}
.mcard .jp{font-size:11px;color:var(--cr);letter-spacing:.08em}
.mcard p{font-size:12.5px;color:var(--dim);margin-top:8px}

/* ── feature cards ── */
.feats{display:grid;gap:18px;grid-template-columns:1fr}
.fcard{background:var(--panel);border:1px solid var(--line);border-radius:2px;padding:18px 20px}
.fcard h3{font-family:var(--jp);font-weight:700;font-size:15px;letter-spacing:.08em;color:var(--y)}
.fcard h3 span{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--cr);display:block;margin-bottom:6px;text-transform:uppercase}
.fcard p{font-size:12.5px;color:var(--dim);margin-top:9px}
.fcard .specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.fcard .specs span{font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--ink);
  border:1px solid var(--line);border-radius:2px;padding:2px 8px}

/* ── steps ── */
.steps{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));counter-reset:step}
.step{background:var(--panel);border:1px solid var(--line);border-radius:2px;padding:20px}
.step::before{counter-increment:step;content:"0" counter(step);
  font-family:var(--mono);font-size:22px;letter-spacing:.05em;color:var(--cr);display:block;margin-bottom:8px}
.step h3{font-family:var(--jp);font-weight:700;font-size:15px;letter-spacing:.08em;color:var(--y)}
.step p{font-size:12.5px;color:var(--dim);margin-top:7px}

/* ── FAQ ── */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;gap:13px;align-items:baseline;
  padding:15px 4px;font-size:13.5px;letter-spacing:.04em;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'Q';font-family:var(--mono);color:var(--cr);flex:none}
.faq summary:hover{color:var(--y)}
.faq .a{display:flex;gap:13px;align-items:baseline;padding:0 4px 17px}
.faq .a::before{content:'A';font-family:var(--mono);color:var(--dim);flex:none}
.faq .a p{font-size:12.5px;color:var(--dim)}

/* ── closing ── */
.closing{text-align:center;padding:76px 0 88px}
.closing h2{font-family:var(--disp);font-weight:900;font-size:clamp(26px,5.6vw,44px);
  letter-spacing:.02em;line-height:1.25;color:var(--y);text-transform:uppercase}
.closing h2 em{font-style:normal;color:var(--cr)}
.closing .cta{margin-top:30px}

/* ── disclaimer ── */
.disclaimer{border-top:1px solid var(--line);padding:34px 0 28px;background:rgba(13,16,20,.6)}
.disclaimer h2{font-family:var(--disp);font-weight:700;font-size:15px;letter-spacing:.06em;color:var(--y);
  text-transform:uppercase;margin-bottom:4px}
.disclaimer .jp{font-size:11px;color:var(--dim);letter-spacing:.1em;margin-bottom:14px}
.disclaimer ul{list-style:none}
.disclaimer li{font-size:11.5px;color:var(--dim);letter-spacing:.02em;line-height:1.95;margin-bottom:8px;
  padding-left:1.4em;position:relative;text-align:justify}
.disclaimer li::before{content:'//';position:absolute;left:0;font-family:var(--mono);color:rgba(125,139,156,.45)}
@media(min-width:900px){
  .disclaimer ul{columns:2;column-gap:40px}
  .disclaimer li{break-inside:avoid}
}
.disclaimer a{color:var(--cr)}

/* ── footer ── */
footer{border-top:1px solid var(--line);padding:24px 0 44px;font-size:11.5px;color:var(--dim);background:rgba(13,16,20,.7)}
footer .wrap{display:flex;flex-direction:column;gap:10px}
.flinks{display:flex;gap:6px 8px;flex-wrap:wrap;align-items:center;font-family:var(--mono);font-size:11px}
.flinks a{color:var(--dim);text-decoration:none}
.flinks a:hover{color:var(--ink);text-decoration:underline}
.flinks .sep{color:var(--line);margin:0 4px}
@media(prefers-reduced-motion:no-preference){
  .heroTxt{animation:rise .7s ease both}
  @keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
}