:root{
  --ink:#1c1a19;
  --sub:#6b6560;
  --line:#e8e3dd;
  --bg:#f6f4f0;
  --card:#ffffff;
  --pink:#fe2c55;
  --teal:#12b5b0;
  --warn-bg:#fff6dc;
  --warn-ink:#7a5200;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  font-size:16px;line-height:1.85;font-weight:500;
  overflow-wrap:anywhere;
}
img,video{max-width:100%;height:auto;display:block}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
.sp{display:none}

/* hero */
.hero{background:#111;color:#fff;padding:44px 0 40px}
.eyebrow{margin:0 0 14px;font-size:13px;letter-spacing:.06em;color:#bdb7b0;font-weight:700}
.eyebrow::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--pink);box-shadow:5px 0 0 #25f4ee;margin-right:14px;vertical-align:1px}
h1{margin:0 0 18px;font-size:30px;line-height:1.45;font-weight:900;letter-spacing:.01em}
.lead{margin:0 0 30px;color:#e2ddd7;font-size:15.5px}
.hero-video{max-width:340px;margin:0 auto;text-align:center}
.hero-video video{width:100%;aspect-ratio:9/16;border-radius:18px;background:#000;box-shadow:0 18px 50px rgba(0,0,0,.5)}
.chips{list-style:none;display:flex;justify-content:center;gap:8px;margin:18px 0 6px;padding:0;flex-wrap:wrap}
.chips li{border:1px solid #3a3734;border-radius:999px;padding:4px 14px;font-size:13px;color:#d9d3cc}
.chips b{font-size:17px;color:#fff;margin:0 2px;font-weight:900}
.cap{font-size:13px;color:var(--sub);text-align:center;margin:8px 0 0}
.hero .cap{color:#9c958d}

/* flow */
.flow{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.flow ol{list-style:none;margin:0;padding:10px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.flow a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--ink);font-size:11.5px;font-weight:700;line-height:1.35;text-align:center}
.flow span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:900}

/* steps */
.step{padding:52px 0 8px;scroll-margin-top:64px}
.step-no{margin:0;color:var(--pink);font-weight:900;font-size:13px;letter-spacing:.14em}
h2{margin:2px 0 14px;font-size:24px;line-height:1.5;font-weight:900}
h3{margin:40px 0 10px;font-size:18px;line-height:1.5;font-weight:900;padding-left:12px;border-left:4px solid var(--ink)}
p{margin:0 0 14px}
.urlbox{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.6;word-break:break-all;color:#333}
.shotimg{max-width:440px;margin:18px auto 6px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 6px 22px rgba(40,30,20,.06)}
.shotimg img{width:100%}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 6px;font-size:15px}
.pname{font-weight:900;font-size:16px;line-height:1.6}
dl{margin:0}
dt{font-size:12.5px;font-weight:900;color:var(--sub);margin-top:6px;letter-spacing:.04em}
dd{margin:2px 0 12px}

.points{list-style:none;margin:0;padding:0;counter-reset:pt;display:grid;gap:10px}
.points li{counter-increment:pt;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px 12px 52px;position:relative}
.points li::before{content:counter(pt);position:absolute;left:14px;top:14px;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;font-size:13px;display:grid;place-items:center}
.pt{margin:0 0 4px;font-weight:700;font-size:15.5px;line-height:1.6}
.ev{margin:0;font-size:12.5px;line-height:1.7;color:var(--sub)}

.warn{background:var(--warn-bg);border-radius:14px;padding:16px 18px 10px;color:var(--warn-ink);font-size:13.5px;line-height:1.75}
.warn-title{font-weight:900;margin:0 0 6px;font-size:14.5px}
.warn ul{margin:0 0 8px;padding-left:1.2em}
.warn li{margin-bottom:8px}
.warn summary{cursor:pointer;font-weight:900;margin:4px 0 10px;font-size:14px}

/* shots */
.sec-group{margin-top:22px}
.sec-group h4{margin:0 0 8px;font-size:14px;font-weight:900;display:inline-block;background:var(--ink);color:#fff;border-radius:6px;padding:2px 12px}
.shot{display:grid;grid-template-columns:104px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px;align-items:start}
.thumb{margin:0}
.thumb img{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:8px;background:#eee}
.thumb.is-img img{object-position:top;border:1px solid var(--line)}
.thumb figcaption{font-size:11.5px;color:var(--sub);text-align:center;margin-top:4px;font-family:ui-monospace,Consolas,monospace}
.shot-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.no{display:grid;place-items:center;min-width:28px;height:24px;padding:0 6px;border-radius:6px;background:var(--ink);color:#fff;font-weight:900;font-size:13px}
.kind{font-size:11.5px;font-weight:900;color:var(--teal);border:1px solid currentColor;border-radius:999px;padding:0 9px;line-height:1.7}
.kind.k-img{color:#7a52d6}
.scene{margin:0 0 2px;font-size:14.5px;line-height:1.6;font-weight:700}
.angle{margin:0 0 8px;font-size:12.5px;color:var(--sub);line-height:1.6}
.telops{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.telops li{display:flex;justify-content:space-between;align-items:flex-end;gap:8px;background:var(--bg);border-radius:8px;padding:7px 10px;font-size:13.5px;line-height:1.55}
.sec{flex:none;font-size:11.5px;color:var(--sub);font-weight:700}

/* frames */
.frames{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:20px}
.frames figure{margin:0}
.frames img{width:100%;border-radius:8px}

/* note */
.note{margin:56px 0 0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px 12px}
.note h2{font-size:18px;margin:0 0 10px}
.note ul{margin:0;padding-left:1.2em;font-size:14.5px}
.note li{margin-bottom:8px}

footer{margin-top:48px;padding:26px 0 40px;text-align:center;color:var(--sub);font-size:12.5px}
footer p{margin:0}

@media (max-width:560px){
  .sp{display:inline}
  h1{font-size:25px}
  h2{font-size:21px}
  .hero{padding:34px 0 34px}
  .hero-video{max-width:290px}
  .shot{grid-template-columns:84px 1fr;gap:12px}
  .frames{grid-template-columns:repeat(2,1fr)}
}