:root{
  --ink:#e8ecf5; --ink2:#9aa6bb; --ink3:#66728a;
  --bg:#0b0d12; --card:#151922; --card2:#1c2230; --line:#28303f;
  --acc:#5b8cff; --acc2:#ffd24d;
  --sans:"Zen Kaku Gothic New","Noto Sans JP",system-ui,-apple-system,"Hiragino Sans",sans-serif;
  --round:"M PLUS Rounded 1c",var(--sans);
  --mincho:"Shippori Mincho B1",serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.78;
  -webkit-font-smoothing:antialiased}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}

.top{position:sticky;top:0;z-index:20;background:rgba(11,13,18,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.top .in{max-width:1180px;margin:0 auto;padding:11px 22px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{font-weight:900;font-size:14px;letter-spacing:.02em}
.brand span{color:var(--ink3);font-weight:700;margin-left:8px;font-size:12px}
.nav{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto}
.nav a{color:var(--ink2);font-weight:700;font-size:12.5px}
.nav a:hover{color:#fff;text-decoration:none}

.wrap{max-width:1180px;margin:0 auto;padding:34px 22px 110px}
h1{font-size:30px;line-height:1.35;margin:10px 0 12px;letter-spacing:.01em}
h2{font-size:21px;margin:66px 0 8px;letter-spacing:.01em;scroll-margin-top:70px}
h2 .n{font:800 11px/1 ui-monospace,monospace;color:var(--ink3);display:block;margin-bottom:9px;letter-spacing:.14em}
h3{font-size:15px;margin:30px 0 8px}
p{margin:0 0 12px}
.lead{color:var(--ink2);font-size:14.5px;max-width:860px}
.muted{color:var(--ink3)}
strong{color:#fff}
code{font:700 12px/1.5 ui-monospace,monospace;background:#1b2436;color:#cfe0ff;padding:2px 6px;border-radius:5px}

.note{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 18px;margin:16px 0;
  color:var(--ink2);font-size:13.3px}
.note p:last-child{margin-bottom:0}

table{border-collapse:collapse;width:100%;margin:14px 0 6px;font-size:13.2px}
th,td{border-bottom:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{color:var(--ink3);font-weight:800;font-size:11.5px;letter-spacing:.06em;white-space:nowrap}
td{color:var(--ink2)}
td b{color:#fff}

/* ── 画面カード ── */
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(460px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fill,minmax(520px,1fr))}
.grid.tel{grid-template-columns:repeat(auto-fill,minmax(400px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column}
.screen{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.stage{position:absolute;left:0;top:0;width:1920px;height:1080px;transform-origin:0 0;
  transform:scale(var(--s,.24));font-family:var(--sans)}
.stage .bgimg{position:absolute;inset:0;background-size:cover;background-position:center}
.stage .grade{position:absolute;inset:0}
/* 画面内の置き場所の既定。各デザインが上書きする。
   .hd＝左上 / .sv＝右上 / .st＝下部 */
.stage .hd,.stage .sv,.stage .st{position:absolute}
.stage .hd{left:64px;top:56px}
.stage .sv{right:64px;top:56px}
.stage .st{left:50%;transform:translateX(-50%);bottom:80px;white-space:nowrap}
.stage .hd,.stage .sv{white-space:nowrap}
.meta{padding:14px 16px 17px}
.mt{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.no{font:800 11px/1 ui-monospace,monospace;color:var(--ink3);letter-spacing:.09em}
.nm{font-weight:900;font-size:15px}
.tag{font:800 10.5px/1 var(--sans);color:#0b0d12;background:#8fa3c0;border-radius:4px;padding:4px 7px}
.tag.rec{background:var(--acc2)}
.use{color:var(--ink2);font-size:12.8px;margin:0}
.sw{display:flex;gap:6px;margin-top:11px;flex-wrap:wrap}
.sw i{width:26px;height:14px;border-radius:3px;display:block;border:1px solid rgba(255,255,255,.14)}

/* 場面転換 */
.sc{position:absolute;inset:0;overflow:hidden;background:#05070c}
.sc .cA,.sc .cB{position:absolute;inset:0;background-size:cover;background-position:center}
.sc .cB{opacity:0}
.sc .pn{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center}
.sc.go .cA{animation:scCutA var(--d,2.4s) linear both}
.sc.go .cB{animation:scCutB var(--d,2.4s) linear both}
@keyframes scCutA{0%,44%{opacity:1}46%,100%{opacity:0}}
@keyframes scCutB{0%,44%{opacity:0}46%,100%{opacity:1}}
.sc.go .pn{animation:mFade var(--d,2.4s) cubic-bezier(.4,0,.3,1) both}
@keyframes mFade{0%{opacity:0;transform:scale(1.08)}30%{opacity:1;transform:scale(1)}
  70%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(.96)}}
.play{position:absolute;right:10px;bottom:10px;z-index:20;background:rgba(8,10,16,.78);color:#fff;
  border:1px solid rgba(255,255,255,.25);border-radius:8px;padding:6px 12px;
  font:800 11.5px/1 var(--sans);cursor:pointer}
.play:hover{background:#fff;color:#0b0d12}

/* 写真の使い方のアニメ */
.ph{position:absolute;inset:0;overflow:hidden}
.pbtn{position:absolute;right:10px;bottom:10px;z-index:20;background:rgba(8,10,16,.78);color:#fff;
  border:1px solid rgba(255,255,255,.25);border-radius:8px;padding:6px 12px;
  font:800 11.5px/1 var(--sans);cursor:pointer}

.copy{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));margin-top:12px}
.copy div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:13px}
.copy b{display:block;font-size:11.5px;color:var(--ink3);letter-spacing:.06em;margin-bottom:4px}

.ask{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:6px 20px 16px;margin-top:16px}
.ask ol{margin:10px 0 0;padding-left:20px}
.ask li{margin-bottom:9px;color:var(--ink2)}
.ask li b{color:#fff}

@media (max-width:640px){
  .wrap{padding:24px 14px 80px}
  .grid,.grid.two,.grid.tel{grid-template-columns:1fr}
  h1{font-size:23px} h2{font-size:18px}
}