/* MuseでThreads・Instagramはどこまでできる？ ── 世界観 v02（白地＋3ブランドの色） */
:root{
  --bg:#F9F8F6;
  --panel:#FFFFFF;
  --ink:#101114;
  --sub:#4B4F57;
  --faint:#666B74;
  --rule:#E6E6E9;
  --ig:linear-gradient(45deg,#FEDA75 0%,#FA7E1E 28%,#D62976 58%,#962FBF 82%,#4F5BD5 100%);
  --ig-ring:conic-gradient(from 200deg,#FEDA75,#FA7E1E,#D62976,#962FBF,#4F5BD5,#FEDA75);
  --ig-ink:#D62976;
  --muse:#2D5BFF;
  --muse-grad:linear-gradient(100deg,#19C3C9 0%,#2D5BFF 45%,#7B4DFF 72%,#D4339A 100%);
  --muse-ring:conic-gradient(from 140deg,#19C3C9,#2D5BFF,#7B4DFF,#D4339A,#19C3C9);
  --muse-soft:#EEF2FF;
  --do:#D63E18;
  --do-soft:#FFF0EB;
  --amber:#9A6409;
  --radius:20px;
  --max:1200px;
  --read:780px;
  --head-h:58px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--head-h) + 16px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans JP",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.95;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:3px solid var(--muse);outline-offset:3px;border-radius:6px}
.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.grad-muse{background:var(--muse-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-ig{background:var(--ig);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ===== ヘッダー：章の移動と読み進めた量 ===== */
.site-head{position:sticky;top:0;z-index:50;height:var(--head-h);background:rgba(249,248,246,.88);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--rule)}
.head-in{max-width:1440px;margin:0 auto;height:100%;display:flex;align-items:center;gap:16px;padding:0 20px}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;font-size:14px;white-space:nowrap}
.logo i{width:10px;height:10px;border-radius:50%;display:inline-block}
.site-head nav{flex:1;min-width:0}
.chapters{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0;margin:0;padding:0;list-style:none}
.chapters::-webkit-scrollbar{display:none}
.chapters a{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;text-decoration:none;font-size:13px;font-weight:500;color:var(--sub);padding:6px 12px;border-radius:999px;transition:background .2s,color .2s}
.chapters a b{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--faint)}
.chapters a:hover{background:#EFEFF1}
.chapters a.on{background:var(--ink);color:#fff}
.chapters a.on b{color:#C9CBD1}
.head-cta{flex:none;text-decoration:none;font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;background:var(--panel);border:1.5px solid var(--ink)}
.head-cta i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--do);margin-right:6px;vertical-align:1px}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:3px;background:transparent}
.progress i{display:block;height:100%;width:100%;background:var(--muse-grad);transform-origin:left center;transform:scaleX(0)}

/* ===== FV ===== */
.fv{position:relative;overflow:hidden;background:var(--bg)}
.fv-in{position:relative;display:flex;align-items:center;min-height:min(820px,calc(100vh - var(--head-h)))}
.fv-text{width:min(640px,46%);padding:64px 0 88px max(24px,calc((100vw - var(--max))/2 + 24px));box-sizing:content-box;position:relative;z-index:3}
.brands{display:flex;align-items:center;gap:10px;margin:0 0 22px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.16em;color:var(--sub)}
.brands i{width:12px;height:12px;border-radius:50%;display:inline-block}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--rule);border-radius:999px;padding:6px 14px 6px 8px;font-size:13px;font-weight:500;color:var(--sub);box-shadow:0 2px 10px rgba(16,17,20,.04)}
.pill .ring{width:20px;height:20px;border-radius:50%;background:var(--muse-ring);padding:3px}
.pill .ring::after{content:"";display:block;width:100%;height:100%;border-radius:50%;background:#fff}
.fv h1{font-size:clamp(32px,3.7vw,56px);line-height:1.3;font-weight:700;margin:24px 0 24px;line-break:strict;word-break:auto-phrase}
.fv h1 .hl{position:relative;display:inline-block}
.fv h1 .hl svg{position:absolute;left:-2%;bottom:-.28em;width:104%;height:.42em;overflow:visible}
.fv .lead{font-size:16.5px;color:var(--sub);max-width:540px;margin:0 0 30px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-weight:700;font-size:15px;padding:15px 26px;border-radius:999px;border:0;cursor:pointer;font-family:inherit;transition:transform .2s,box-shadow .2s}
.btn-main{background:var(--ink);color:#fff}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,17,20,.2)}
.btn-sub{background:var(--panel);color:var(--ink);border:1.5px solid var(--ink)}
.btn-sub b{color:var(--do)}
.btn-sub:hover{transform:translateY(-2px)}
.btn-do{background:var(--do);color:#fff}
.btn-do:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(242,84,45,.3)}
.roles{display:flex;flex-wrap:wrap;gap:10px 22px;margin:34px 0 0;padding:0;list-style:none;font-size:13.5px;color:var(--sub)}
.roles li{display:flex;align-items:center;gap:8px}
.roles i{width:28px;height:6px;border-radius:3px;display:inline-block}
.fv-stage{position:absolute;top:0;bottom:0;right:0;left:max(45%,calc((100vw - var(--max))/2 + 600px));z-index:1}
.fv-stage img,.fv-stage canvas{position:absolute;inset:0;width:100%;height:100%}
.fv-stage img{object-fit:cover;object-position:88% center;transition:opacity .8s}
.fv-stage.gl img{opacity:0}
.fv-stage::before{content:"";position:absolute;top:0;bottom:0;left:0;width:16%;z-index:2;background:linear-gradient(90deg,var(--bg),rgba(249,248,246,0));pointer-events:none}
.scroll-hint{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:3;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.2em;color:var(--faint);display:flex;flex-direction:column;align-items:center;gap:6px}
.scroll-hint i{width:1.5px;height:28px;background:linear-gradient(var(--faint),transparent)}

/* ===== はじめに ===== */
.intro{padding:24px 0 8px}
.promise{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:8px 0 18px;padding:0;list-style:none;counter-reset:p}
.promise li{position:relative;background:var(--panel);border:1px solid var(--rule);border-radius:var(--radius);padding:22px 20px 20px;font-size:14.5px;line-height:1.8;counter-increment:p}
.promise li::before{content:counter(p,decimal-leading-zero);display:block;font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:13px;color:var(--faint);margin-bottom:8px}
.promise li b{display:block;font-size:16.5px;margin-bottom:6px;line-height:1.55}
.promise li:nth-child(1)::after,.promise li:nth-child(3)::after{background:var(--muse-grad)}
.promise li:nth-child(2)::after{background:var(--ig)}
.promise li:nth-child(4)::after{background:var(--do)}
.promise li::after{content:"";position:absolute;left:20px;right:20px;top:0;height:4px;border-radius:0 0 4px 4px}

/* ===== 部（Part）：Threadsの投稿の頭＋ストーリーの丸＋リボン ===== */
.part{padding:96px 0 8px}
.part-card{position:relative;background:var(--panel);border-radius:26px;padding:34px 38px 30px;border:1px solid var(--rule);overflow:hidden}
.part-head{display:grid;grid-template-columns:84px 1fr;gap:22px;align-items:center}
.avatar{width:84px;height:84px;border-radius:50%;padding:4px;background:var(--ring)}
.avatar span{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;background:#fff;border:3px solid #fff;box-shadow:inset 0 0 0 1px var(--rule);font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:24px}
.part-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin:0 0 4px}
.part-meta b{color:var(--ink)}
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px;color:#fff;background:var(--chip)}
.part h2{font-size:clamp(25px,3.2vw,42px);line-height:1.38;margin:0;font-weight:700;line-break:strict;word-break:auto-phrase}
.part-sum{margin:22px 0 0 106px;padding:0;list-style:none;display:grid;gap:6px;max-width:760px}
.part-sum li{position:relative;padding-left:22px;font-size:15px;color:var(--sub);line-height:1.8}
.part-sum li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:3px;background:var(--chip)}
.part-sum-title{margin:22px 0 -12px 106px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--faint)}
.ribbon{display:block;width:100%;height:46px;margin:22px 0 -8px;overflow:visible}
.part.muse{--ring:var(--muse-ring);--chip:var(--muse)}
.part.sns{--ring:var(--ig-ring);--chip:#101114}
.part.do{--ring:conic-gradient(var(--do),#FF9A3D,#F2542D);--chip:var(--do)}
.part.case{--ring:var(--ig-ring);--chip:var(--ig-ink)}
.part.end{--ring:conic-gradient(#C9CBD1,#8C9099,#C9CBD1);--chip:#6B6F78}

/* ===== セクション：番号を大きく、部品を主役に ===== */
.sec{padding:64px 0 8px;border-top:1px solid var(--rule)}
.sec:first-child{border-top:0;padding-top:8px}
.sec-h{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 16px;margin:0 0 22px}
.sec-no{font-size:15px;font-weight:600;color:#fff;background:var(--chip,var(--ink));border-radius:8px;padding:2px 10px;line-height:1.6;transform:translateY(-4px)}
.sec-h h2{font-size:clamp(23px,2.6vw,32px);line-height:1.45;margin:0;font-weight:700;line-break:strict;word-break:auto-phrase}
.sec h3{font-size:18px;line-height:1.6;margin:34px 0 10px;padding-left:14px;border-left:4px solid var(--chip,var(--ink))}
.sec p{margin:0 0 12px}
.sec ul,.sec ol{margin:0 0 16px;padding-left:1.4em}
.sec li{margin:4px 0}
.sec strong{font-weight:700}
.sec-lead{font-size:clamp(18px,1.9vw,21px);line-height:1.85;font-weight:500;color:var(--ink);margin:0 0 22px!important}
.arrow-line{background:#F2F2F4;border-radius:12px;padding:10px 16px;font-weight:500}

/* 根拠の印（公式は出さない。それ以外を小さく控えめに） */
.src{display:inline-block;font-size:12px;font-weight:500;line-height:1.5;color:var(--faint);border:1px solid var(--rule);border-radius:5px;padding:0 6px;margin-left:4px;vertical-align:1px;white-space:nowrap}

/* ===== 部品 ===== */
.points{list-style:none;padding:0!important;margin:0 0 20px!important;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.points li{margin:0!important;background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:20px 20px 18px}
.points span{display:block;font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:13px;margin-bottom:8px;background:var(--muse-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.points p{margin:0!important;font-size:15px;line-height:1.8}
.timeline{list-style:none;padding:0!important;margin:4px 0 26px!important;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));position:relative}
.timeline::before{content:"";position:absolute;left:8px;right:8px;top:9px;height:3px;border-radius:2px;background:var(--muse-grad)}
.timeline li{position:relative;margin:0!important;padding:30px 12px 0 0}
.timeline li::before{content:"";position:absolute;left:0;top:0;width:21px;height:21px;border-radius:50%;background:#fff;border:3px solid var(--muse);box-sizing:border-box}
.timeline li.now::before{width:27px;height:27px;top:-3px;left:-3px;background:var(--muse-grad);border:4px solid #fff;box-shadow:0 0 0 2px var(--muse)}
.timeline b{display:block;font-size:14px;color:var(--sub)}
.timeline span{display:block;font-weight:700;font-size:16.5px;line-height:1.5}
.timeline small{display:block;font-weight:500;font-size:12.5px;color:var(--muse)}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 20px}
.fact{background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:16px 18px}
.fact p{margin:0!important}
.fact-k{font-size:12.5px;font-weight:700;color:var(--faint);letter-spacing:.04em}
.fact-v{font-size:15.5px;line-height:1.75;margin-top:4px!important}
.fact-s{margin-top:6px!important}
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:4px 0 18px}
.plan{position:relative;background:var(--panel);border:1px solid var(--rule);border-radius:20px;padding:22px 22px 18px;overflow:hidden}
.plan::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--muse-grad)}
.plan-free::before{background:#D9DADF}
.plan p{margin:0!important}
.plan-name{font-weight:700;font-size:17px}
.plan-name small{font-size:12.5px;font-weight:500;color:var(--faint);margin-left:6px}
.plan-price{font-family:"IBM Plex Mono","IBM Plex Sans JP",monospace;font-weight:600;font-size:26px;letter-spacing:-.02em;margin-top:6px!important}
.plan-sub{font-size:13px;color:var(--sub);margin-top:2px!important}
.plan-meter{margin-top:16px;display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:center;font-size:12px;color:var(--faint)}
.plan-meter span{grid-column:1/-1}
.plan-meter .track{height:10px;border-radius:5px;background:#EFEFF1;overflow:hidden}
.plan-meter i{display:block;height:100%;width:var(--w);border-radius:5px;background:var(--muse-grad);transform-origin:left center}
.plan-free .plan-meter i{background:#C9CBD1}
.plan-meter b{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--ink)}
.plan-src{margin-top:10px!important;font-size:12px;color:var(--faint)}
.notes{list-style:none;margin:0 0 18px!important;background:#F4F4F6;border-radius:16px;padding:16px 20px!important}
.notes li{position:relative;padding-left:18px;margin:6px 0!important;font-size:14.5px;color:var(--sub)}
.notes li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;border-radius:50%;background:var(--chip,var(--ink))}
.conns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:4px 0 18px}
.conn{background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:16px 18px}
.conn-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.conn-k{margin:0!important;font-weight:700}
.conn-badge{font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px;white-space:nowrap;color:#fff;background:var(--muse)}
.conn-soon .conn-badge{background:var(--amber)}
.conn-rep .conn-badge{background:#6B707A}
.conn-custom .conn-badge{background:var(--ink)}
.svcs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.svc{font-size:13.5px;font-weight:500;background:#F2F3F6;border-radius:8px;padding:4px 10px}
.conn-ok .svc{background:var(--muse-soft)}
.conn-soon .svc{background:#FBF1DE}
.svc-text{margin:0 0 6px!important;font-size:14px}
.conn-note{margin:0!important;font-size:12.5px;color:var(--faint);line-height:1.65}
.soon{list-style:none;padding:0!important;display:grid;gap:10px;margin:0 0 18px!important}
.soon li{margin:0!important;display:flex;gap:12px;align-items:flex-start;background:var(--panel);border:1px dashed #C9CBD1;border-radius:14px;padding:14px 16px}
.soon p{margin:0!important;font-size:15px}
.soon-badge{flex:none;font-size:12px;font-weight:700;color:var(--sub);background:#EFEFF1;border-radius:6px;padding:2px 8px;margin-top:3px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:4px 0 18px}
.card{background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:16px 18px}
.card p{margin:0!important}
.card-k{font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px}
.card-k::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--muse-grad);flex:none}
.card-v{font-size:14.5px;color:var(--sub);margin-top:6px!important;line-height:1.75}
.steps{list-style:none;padding:0!important;margin:4px 0 18px!important;position:relative}
.steps::before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:2px;background:var(--rule)}
.steps li{position:relative;display:flex;gap:16px;align-items:flex-start;margin:0 0 12px!important}
.steps span{flex:none;position:relative;z-index:1;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:"IBM Plex Mono",monospace;font-weight:600;color:#fff;background:var(--ink)}
.steps li:last-child span{background:var(--muse-grad)}
.steps p{margin:0!important;background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:10px 16px;flex:1;font-size:15px}
.tbl-wrap{margin:12px 0 20px}


/* ===== 部品（第2〜5部・巻末） ===== */
.card-m{font-weight:700;font-size:14.5px;margin-top:6px!important;color:var(--ink)}
.owner{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px;margin:0 4px 4px 0;color:#fff;white-space:nowrap}
.o-muse{background:var(--muse-grad)} .o-you{background:var(--ink)} .o-do{background:var(--do)}
/* 3つの勘違い */
.myths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 22px}
.myth{background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:18px 18px 16px;font-size:14px}
.myth h3{border:0!important;padding:0!important;margin:0 0 10px!important;font-size:16px!important;line-height:1.55!important}
.myth h3::first-line{color:var(--chip,var(--ink))}
.myth p{font-size:14px;line-height:1.8;color:var(--sub)}
.myth ol{font-size:14px;color:var(--ink);margin:0 0 10px}
.myth .arrow-line{font-size:13.5px}
/* 流れ */
.flow{list-style:none;padding:0!important;margin:6px 0 20px!important;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;counter-reset:f}
.flow-step{position:relative;margin:0!important;display:flex;gap:12px;background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:16px 16px 14px}
.flow-step:not(:last-child)::after{content:"→";position:absolute;right:-12px;top:50%;transform:translate(50%,-50%);z-index:1;width:22px;height:22px;border-radius:50%;background:var(--bg);display:grid;place-items:center;font-size:13px;color:var(--faint)}
.flow-step:nth-child(3n)::after{display:none}
.flow-no{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:600;color:#fff;background:var(--chip,var(--ink))}
.flow-step:last-child .flow-no{background:var(--muse-grad)}
.flow-step p{margin:0!important}
.flow-t{font-weight:700;font-size:15.5px;line-height:1.5}
.flow-b{font-size:14px;color:var(--ink);margin-top:4px!important;line-height:1.7}
.flow-ex{font-size:12.5px;color:var(--sub);margin-top:6px!important;line-height:1.65}
.flow-ex span{display:block;font-size:12px;font-weight:700;color:var(--faint)}
.flow-own{margin-top:8px}
/* 4つの使い分け */
.compare{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:6px 0 16px}
.cmp{background:var(--panel);border:1px solid var(--rule);border-radius:18px;overflow:hidden}
.cmp-name{margin:0!important;padding:12px 14px;font-weight:700;font-size:14px;color:#fff;background:var(--ink);line-height:1.45}
.cmp-feed .cmp-name,.cmp-reels .cmp-name,.cmp-stories .cmp-name{background:var(--ig)}
.cmp-row{padding:10px 14px;border-top:1px solid var(--rule)}
.cmp-row:first-of-type{border-top:0}
.cmp-k{margin:0!important;font-size:12px;font-weight:700;color:var(--faint)}
.cmp-v{font-size:13.5px;line-height:1.65;margin-top:2px}
.lv{display:inline-flex;gap:3px;margin-right:6px;vertical-align:1px}
.lv i{width:16px;height:7px;border-radius:4px;background:#E6E6E9}
.lv i.on{background:var(--ink)}
.cmp-feed .lv i.on,.cmp-reels .lv i.on,.cmp-stories .lv i.on{background:linear-gradient(90deg,#FA7E1E,#D62976)}
.lv-t{font-weight:700}
/* 商品の階段 */
.ladder{list-style:none;padding:0!important;margin:10px 0 20px!important;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;align-items:end}
.ladder li{margin:0!important;padding-top:calc(var(--i) * 34px)}
.lad-box{background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:14px 14px 12px;border-top:5px solid transparent;border-image:none;position:relative}
.ladder li:nth-child(1) .lad-box{border-top-color:#D9DADF}
.ladder li:nth-child(2) .lad-box{border-top-color:#19C3C9}
.ladder li:nth-child(3) .lad-box{border-top-color:#2D5BFF}
.ladder li:nth-child(4) .lad-box{border-top-color:#D4339A}
.lad-box p{margin:0!important}
.lad-k{font-weight:700;font-size:17px}
.lad-role{font-size:13px;font-weight:700;color:var(--muse);margin-top:2px!important}
.lad-ex{font-size:13px;color:var(--sub);line-height:1.65;margin-top:6px!important}
.lad-price{font-family:"IBM Plex Mono","IBM Plex Sans JP",monospace;font-weight:600;font-size:14px;margin-top:8px!important;padding-top:8px;border-top:1px dashed var(--rule)}
/* 計算式 */
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:6px 0 20px}
.metric{background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:16px 18px}
.metric p{margin:0!important}
.metric-k{font-weight:700;font-size:16px}
.metric-f{margin-top:8px!important;font-size:14px;font-weight:500;background:#F4F4F6;border-radius:10px;padding:8px 12px}
.metric-f .div{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--muse-grad);color:#fff;font-size:13px;margin:0 4px}
.metric-d{font-size:13.5px;color:var(--sub);line-height:1.7;margin-top:8px!important}
/* 診断 */
.diagnose{display:grid;gap:10px;margin:6px 0 20px}
.dx{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:0;background:var(--panel);border:1px solid var(--rule);border-radius:16px;overflow:hidden}
.dx-c{position:relative;padding:12px 16px;font-size:14px;line-height:1.65}
.dx-c span{display:block;font-size:12px;font-weight:700;color:var(--faint)}
.dx-1{font-weight:700}
.dx-2{background:#F7F7F9}
.dx-3{background:var(--muse-soft)}
.dx-2::before,.dx-3::before{content:"→";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:50%;background:#fff;border:1px solid var(--rule);display:grid;place-items:center;font-size:12px;color:var(--faint);z-index:1}
/* ロードマップ */
.roadmap{list-style:none;padding:0!important;margin:6px 0 20px!important;position:relative}
.roadmap::before{content:"";position:absolute;left:21px;top:22px;bottom:22px;width:3px;border-radius:2px;background:var(--muse-grad)}
.roadmap li{position:relative;display:flex;gap:16px;margin:0 0 14px!important}
.rm-no{flex:none;position:relative;z-index:1;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:600;background:#fff;border:3px solid var(--muse);font-size:12px;line-height:1.1;text-align:center}
.rm-body{flex:1;background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:14px 18px}
.rm-body p{margin:0!important}
.rm-t{font-weight:700;font-size:16.5px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}
.rm-when{font-size:12px;font-weight:700;color:var(--muse);background:var(--muse-soft);border-radius:999px;padding:2px 10px}
.rm-do{font-size:14px;color:var(--sub);margin-top:6px!important;line-height:1.75}
.rm-goal{margin-top:10px!important;font-size:14px;font-weight:500;background:#F4F4F6;border-radius:10px;padding:8px 12px}
.rm-goal span{display:block;font-size:12px;font-weight:700;color:var(--faint)}
/* 左右の比較 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:6px 0 20px}
.split-col{border-radius:18px;padding:18px 20px}
.split-0{background:var(--muse-soft)}
.split-1{background:#F1F1F3}
.split-k{margin:0 0 8px!important;font-weight:700;font-size:16px}
.split-0 .split-k{color:var(--muse)}
.split ul{margin:0!important;padding-left:1.2em}
.split li{font-size:14.5px}
/* 使う前・使ってから */
.beforeafter{display:grid;gap:10px;margin:6px 0 20px}
.ba{background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:14px 16px}
.ba-k{margin:0 0 8px!important;font-weight:700}
.ba-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ba-pair div{font-size:13.5px;line-height:1.7;border-radius:10px;padding:10px 12px}
.ba-pair span{display:block;font-size:12px;font-weight:700;margin-bottom:2px}
.ba-before{background:#F4F4F6;color:var(--sub)} .ba-before span{color:var(--faint)}
.ba-after{background:var(--muse-soft)} .ba-after span{color:var(--muse)}
/* 毎週の予定 */
.week{list-style:none;padding:0!important;margin:6px 0 20px!important;display:grid;gap:8px}
.week li{margin:0!important;display:grid;grid-template-columns:120px 1fr auto;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:12px 16px}
.wk-day{font-weight:700;font-size:14px}
.wk-do{margin:0!important;font-size:14.5px}
.wk-own{text-align:right}
/* 実例カード */
.cases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:6px 0 20px}
.case{background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:16px 18px;position:relative;overflow:hidden}
.case::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--ig)}
.case p{margin:0!important}
.case-n{font-weight:700;font-size:15px;line-height:1.5}
.case-f{margin-top:8px!important;font-weight:700;font-size:13px}
.case-f .mono{font-size:30px;letter-spacing:-.02em;margin-right:2px}
.case-fl{font-size:12px;color:var(--faint)}
.case-k{font-size:12px;font-weight:700;color:var(--faint);margin-top:10px!important}
.case-v{font-size:13.5px;line-height:1.7}
.case-proof{background:#FCEAF2;border-radius:8px;padding:6px 10px;margin-top:2px!important}
/* 手数料 */
.fees{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:6px 0 20px}
.fee{background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:14px 16px}
.fee p{margin:0!important}
.fee-k{font-weight:700;font-size:16px}
.fee-v{font-size:13.5px;line-height:1.7;margin-top:6px!important;background:#F4F4F6;border-radius:8px;padding:6px 10px}
.fee-u{font-size:13.5px;color:var(--sub);margin-top:8px!important}
.fee-u span{display:block;font-size:12px;font-weight:700;color:var(--faint)}
/* つまずき→代わりに */
.swaps{display:grid;gap:8px;margin:6px 0 20px}
.swap{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.swap p{margin:0!important;display:flex;gap:10px;align-items:flex-start;border-radius:12px;padding:10px 14px;font-size:14px;line-height:1.65}
.swap span{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff}
.swap-x{background:#F4F4F6;color:var(--sub)} .swap-x span{background:#7D828B}
.swap-o{background:var(--muse-soft);font-weight:500} .swap-o span{background:var(--muse)}
.swap-head p{background:none!important;font-size:12px;font-weight:700;color:var(--faint);padding:0 4px!important}
/* 見出しつきカード */
.titled{list-style:none;padding:0!important;margin:6px 0 20px!important;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.titled li{margin:0!important;background:var(--panel);border:1px solid var(--rule);border-radius:16px;padding:16px 18px}
.titled p{margin:0!important}
.tt-no{display:inline-block;font-size:12px;font-weight:600;color:#fff;background:var(--chip,var(--ink));border-radius:6px;padding:1px 8px;margin-bottom:8px}
.titled-ng li{border-left:4px solid #E9A23B}
.tt-t{font-weight:700;font-size:15.5px;line-height:1.55}
.tt-b{font-size:14px;color:var(--sub);line-height:1.75;margin-top:6px!important}
.titled-news li:first-child{grid-column:1/-1}
/* 用語集 */
.glossary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:6px 0 20px}
.glossary div{background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:12px 16px}
.glossary dt{font-weight:700;font-size:15px}
.glossary dd{margin:4px 0 0;font-size:13.5px;color:var(--sub);line-height:1.7}

/* ===== トップ ===== */
.narrow{max-width:900px}
.top-sec{padding:96px 0 0}
.kicker{font-size:12px;letter-spacing:.24em;color:var(--faint);margin:0 0 10px}
.top-h{font-size:clamp(28px,3.6vw,46px);line-height:1.35;margin:0 0 16px;font-weight:700;line-break:strict;word-break:auto-phrase}
.top-lead{color:var(--sub);margin:0 0 26px;max-width:680px}
.more{margin:18px 0 0}
.more a{font-weight:700;text-decoration:none;border-bottom:2px solid currentColor}
.verdict{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}
.v{position:relative;background:var(--panel);border:1px solid var(--rule);border-radius:24px;padding:26px 26px 24px;overflow:hidden}
.v-sym{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;color:#fff;font-size:30px;font-weight:700;margin-bottom:16px}
.v-ok .v-sym{background:var(--muse-grad)} .v-rep .v-sym{background:var(--amber)} .v-no .v-sym{background:#7D828B}
.v h3{margin:0 0 8px;font-size:21px}
.v p{margin:0;color:var(--sub);font-size:15px}
.ch-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ch-card{display:flex;flex-direction:column;text-decoration:none;background:var(--panel);border:1px solid var(--rule);border-radius:22px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.ch-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(16,17,20,.08)}
.ch-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#F9F8F6}
.ch-card figure img{object-position:center 62%}
.ch-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ch-card:hover img{transform:scale(1.04)}
.ch-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.ch-card h3{font-size:19px;line-height:1.5;margin:4px 0 8px}
.ch-card ul{margin:0 0 14px;padding-left:1.2em;color:var(--sub);font-size:13.5px;line-height:1.7}
.ch-card-go{margin-top:auto;font-weight:700;font-size:14px}
.ch-card-go i{display:inline-block;transition:transform .2s;font-style:normal}
.ch-card:hover .ch-card-go i{transform:translateX(4px)}
.ch-cards .ch-card:first-child{grid-column:span 2}
.ch-cards .ch-card:first-child figure{aspect-ratio:16/8}
.final-note{font-size:13px;color:var(--faint);margin-top:14px!important}

/* ===== 特典 ===== */
.btn-line{background:#017D35;color:#fff}
.btn-line:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(6,199,85,.28)}
.line-dot{width:10px;height:10px;border-radius:50%;background:#fff;display:inline-block}
.gift-tag{display:inline-block;font-size:12px;font-weight:700;color:#fff;background:var(--ink);border-radius:999px;padding:3px 12px;justify-self:start}
.gift-mini{margin:26px 0 0;max-width:560px;background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:16px 18px;display:grid;grid-template-columns:1fr;gap:10px}
.gift-mini p{margin:0;font-size:14.5px;line-height:1.7}
.gift-mini .btn{padding:12px 20px;font-size:14px;justify-self:start}
.gift-mini small{font-size:12px;color:var(--faint)}
.gift{margin:96px 0 0;border-radius:30px;padding:3px;background:linear-gradient(110deg,#19C3C9,#2D5BFF 40%,#7B4DFF 65%,#D4339A)}
.gift-in{background:var(--panel);border-radius:27px;padding:40px 44px;display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center}
.gift h3{font-size:clamp(24px,2.8vw,34px);line-height:1.45;margin:14px 0 14px}
.gift p{color:var(--sub);margin:0 0 22px;font-size:15px}
.gift-cta{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.gift-cta small{font-size:12.5px;color:var(--faint)}
.gift-steps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.gift-steps li{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px;background:#F6F6F8;border-radius:12px;padding:10px 14px}
.gift-steps span{flex:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:13px}
.gift-steps li:last-child{background:var(--muse-soft)}
.gift-steps li:last-child span{background:var(--muse-grad)}

/* スマホ：画面下の特典ボタン（FVを過ぎたら出し、特典ブロックと最後の案内が見えている間は隠す） */
.sp-gift{display:none}
@media (max-width:960px){
  .sp-gift{display:flex;position:fixed;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));z-index:45;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-weight:700;font-size:15px;color:#fff;background:#017D35;border-radius:999px;padding:14px 18px;box-shadow:0 10px 26px rgba(16,17,20,.22);transform:translateY(140%);transition:transform .35s}
  .sp-gift.show{transform:none}
  .sp-gift small{font-weight:500;font-size:12px;opacity:.9}
  .to-top{bottom:84px}
}

/* ===== 章のページ ===== */
.ch-hero{padding:40px 0 0}
.ch-hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.ch-hero-text .part-sum,.ch-hero-text .part-sum-title{margin-left:0}
.ch-title{font-size:clamp(30px,3.6vw,48px);line-height:1.3;margin:0;font-weight:700;line-break:strict;word-break:auto-phrase}
.ch-sub{margin:6px 0 0;color:var(--sub);font-weight:500}
.ch-visual{margin:0;border-radius:26px;overflow:hidden;aspect-ratio:16/11;background:#F2F1EF}
.ch-visual img{width:100%;height:100%;object-fit:cover}
.ch-body{display:grid;grid-template-columns:230px minmax(0,1fr);gap:56px;margin-top:56px;align-items:start}
.ch-body>*{min-width:0}
.rail{position:sticky;top:calc(var(--head-h) + 24px);max-height:calc(100vh - var(--head-h) - 48px);overflow:auto}
.rail-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--faint);margin:0 0 10px}
.rail ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--rule)}
.rail a{display:block;text-decoration:none;font-size:13.5px;line-height:1.5;color:var(--sub);padding:7px 0 7px 14px;margin-left:-2px;border-left:2px solid transparent;transition:color .2s,border-color .2s}
.rail a span{display:block;font-size:12px;color:var(--faint)}
.rail a:hover{color:var(--ink)}
.rail a.on{color:var(--ink);font-weight:700;border-left-color:var(--chip,var(--ink))}
.ch-article{max-width:var(--read);min-width:0}
body.ch-muse{--chip:var(--muse)} body.ch-sns{--chip:#101114} body.ch-do{--chip:var(--do)} body.ch-case{--chip:var(--ig-ink)} body.ch-end{--chip:#6B6F78}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:80px}
.pager a{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:18px 22px;font-weight:700;font-size:17px;line-height:1.5;transition:border-color .2s,transform .2s}
.pager a:hover{border-color:var(--ink);transform:translateY(-2px)}
.pager small{display:block;font-size:12px;font-weight:500;color:var(--faint);margin-bottom:4px}
.pager-next{text-align:right}

/* 表：PCは表、スマホはカード */
.tbl{width:100%;border-collapse:separate;border-spacing:0;background:var(--panel);border:1px solid var(--rule);border-radius:16px;overflow:hidden;margin:12px 0 20px;font-size:14.5px;line-height:1.75}
.tbl th{background:#F6F6F7;text-align:left;font-size:12.5px;font-weight:700;color:var(--sub);padding:12px 14px;border-bottom:1px solid var(--rule)}
.tbl td{padding:12px 14px;border-top:1px solid var(--rule);vertical-align:top}
.tbl tr:first-child td{border-top:0}
.tbl td:first-child{font-weight:700}

/* タブ（4つの使い分け） */
.tabs{margin:18px 0 8px}
.tab-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0 0 14px}
.tab-btn{position:relative;font-family:inherit;font-size:14px;font-weight:700;line-height:1.4;padding:14px 10px 12px;border-radius:14px;border:1.5px solid var(--rule);background:var(--panel);color:var(--sub);cursor:pointer;text-align:center;transition:border-color .2s,color .2s,transform .2s}
.tab-btn small{display:block;font-size:12px;font-weight:500;color:var(--faint);margin-top:2px}
.tab-btn .mark{display:block;width:26px;height:26px;margin:0 auto 6px;border-radius:8px}
.tab-btn[data-k="threads"] .mark{background:var(--ink)}
.tab-btn[data-k="feed"] .mark{background:var(--ig);border-radius:6px;transform:scale(.86,1.08)}
.tab-btn[data-k="reels"] .mark{background:var(--ig);border-radius:8px;clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}
.tab-btn[data-k="stories"] .mark{background:var(--ig-ring);border-radius:50%;padding:3px}
.tab-btn[aria-selected="true"]{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 18px rgba(16,17,20,.08)}
.tab-panel{background:var(--panel);border:1px solid var(--rule);border-radius:20px;padding:26px 28px}
.tab-panel[hidden]{display:none}
.tab-panel h4{font-size:19px;margin:0 0 12px;line-height:1.55}
.tab-panel p{margin:0 0 10px}

/* 早見表（発車標の札） */
.board{background:var(--panel);border:1px solid var(--rule);border-radius:20px;overflow:hidden;margin:16px 0 8px}
.board-row{display:grid;grid-template-columns:1.25fr 88px 2fr;align-items:center;border-top:1px solid var(--rule)}
.board-row:first-child{border-top:0}
.board-row>div{padding:14px 18px;font-size:14.5px;line-height:1.7}
.board-row .job{font-weight:700}
.board-row .how{color:var(--sub);font-size:13.5px}
.board-head{background:#FAFAFA;font-size:12px;font-weight:700;color:var(--faint);letter-spacing:.06em;white-space:nowrap}
.flap{width:50px;height:50px;margin:0 auto;perspective:300px;position:relative}
.flap span{display:grid;place-items:center;width:100%;height:100%;border-radius:14px;font-weight:700;font-size:23px;color:#fff;backface-visibility:hidden}
.flap em{position:absolute;left:50%;bottom:-16px;transform:translateX(-50%);font-style:normal;font-size:12px;font-weight:700;color:var(--faint);white-space:nowrap}
.s-ok span{background:var(--muse-grad)} .s-mine span{background:var(--ink)} .s-rep span{background:var(--amber)} .s-no span{background:#7D828B}
.board-key{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--sub);margin:12px 4px 18px}
.board-key b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:7px;color:#fff;font-size:13px;margin-right:6px}
.board-key .k-ok{background:var(--muse-grad)} .board-key .k-mine{background:var(--ink)} .board-key .k-rep{background:var(--amber)} .board-key .k-no{background:#7D828B}

/* 頼み方の例文 */
.prompt{position:relative;background:#FCFCFD;border:1px solid var(--rule);border-radius:14px;margin:10px 0 18px;padding:16px 18px 14px 22px;overflow:hidden}
.prompt::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--muse-grad)}
.prompt pre{margin:0;white-space:pre-wrap;font-family:"IBM Plex Sans JP",sans-serif;font-size:14.5px;line-height:1.85}
.prompt-bar{display:flex;align-items:center;justify-content:space-between;margin:0 0 8px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.12em;color:var(--muse)}
.copy{font-family:inherit;font-size:12.5px;font-weight:700;letter-spacing:0;border:1px solid var(--rule);background:#fff;border-radius:999px;padding:4px 12px;cursor:pointer;color:var(--ink)}
.copy.done{background:var(--ink);color:#fff;border-color:var(--ink)}

/* 数字・グラフ */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:14px 0 20px}
.stat{position:relative;background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:20px 20px 16px;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;right:0;height:5px;background:var(--bar)}
.stat .who{font-size:12px;font-weight:700;color:var(--faint);margin:0 0 4px}
.stat .n{font-family:"IBM Plex Mono",monospace;font-weight:600;letter-spacing:-.03em;font-size:clamp(32px,3.6vw,44px);line-height:1.1}
.stat .n small{font-family:"IBM Plex Sans JP";font-size:.4em;font-weight:700;margin-left:3px;letter-spacing:0;color:var(--ink)}
.stat p{margin:8px 0 0;font-size:13px;color:var(--sub);line-height:1.65}
.chart{background:var(--panel);border:1px solid var(--rule);border-radius:18px;padding:20px 22px;margin:0 0 20px}
.chart h5{margin:0;font-size:15px}
.chart .src{font-size:12px;color:var(--faint);margin:0 0 14px}
.bars{display:flex;align-items:flex-end;gap:clamp(12px,4vw,36px);height:180px;padding:0 6px;border-bottom:1.5px solid var(--rule)}
.bars .b{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.bars .v{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:14px;margin-bottom:6px}
.bars .col{width:100%;max-width:80px;border-radius:10px 10px 0 0;background:#D9DADF;transform-origin:bottom center}
.bars .b:last-child .col{background:var(--ink)}
.bars-x{display:flex;gap:clamp(12px,4vw,36px);padding:8px 6px 0}
.bars-x span{flex:1;text-align:center;font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--sub)}
.meter{display:grid;gap:10px;margin:14px 0 20px}
.meter-row{display:grid;grid-template-columns:180px 1fr 70px;align-items:center;gap:12px;font-size:13.5px}
.meter-row .track{height:12px;background:#EFEFF1;border-radius:6px;overflow:hidden}
.meter-row .track i{display:block;height:100%;border-radius:6px;transform-origin:left center}
.meter-row b{font-family:"IBM Plex Mono",monospace;text-align:right}

/* 流れ（リレー） */
.relay{background:var(--panel);border:1px solid var(--rule);border-radius:20px;padding:20px 18px 16px;margin:16px 0 20px}
.relay svg{display:block;width:100%;height:auto}
.relay-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:4px}
.relay-steps div{font-size:12.5px;line-height:1.55;text-align:center;color:var(--sub)}
.relay-steps b{display:block;color:var(--ink);font-size:14px}

/* 場面の画像 */
.scene{margin:26px 0 10px;border-radius:22px;overflow:hidden;background:#F4F3F1}
.scene img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* 実例：写真つきのジャンル見出し */
.genre{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:start;margin:4px 0 12px}
.genre-photo{position:relative;margin:0;border-radius:14px;padding:3px;background:var(--ig)}
.genre-photo img{border-radius:11px;aspect-ratio:4/5;object-fit:cover;background:#eee}

/* よくある質問 */
.faq{border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;gap:14px;align-items:flex-start;padding:18px 4px;font-weight:700;font-size:16px;line-height:1.6}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-family:"IBM Plex Mono",monospace;font-size:13px;color:#fff;background:var(--muse-grad);margin-top:1px}
.faq summary::after{content:"+";margin-left:auto;font-family:"IBM Plex Mono",monospace;font-size:20px;color:var(--faint);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 4px 20px 42px;color:var(--sub)}

/* DoInstaへの案内 */
.do-card{margin:28px 0 8px;display:flex;gap:24px;align-items:center;justify-content:space-between;padding:26px 28px;border-radius:22px;background:linear-gradient(var(--panel),var(--panel)) padding-box,linear-gradient(100deg,#2D5BFF,#7B4DFF,#F2542D) border-box;border:2px solid transparent}
.do-card p{margin:0;color:var(--sub);font-size:14px}
.do-card h5{margin:0 0 6px;font-size:20px;line-height:1.5}
.do-card .eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.24em;color:var(--do);margin:0 0 4px}
.do-card .btn{flex:none}

/* 最後 */
.final{padding:120px 0 40px;text-align:center}
.final h2{font-size:clamp(28px,4.2vw,52px);line-height:1.35;margin:0 0 18px;font-weight:700;line-break:strict;word-break:auto-phrase}
.final p{color:var(--sub);max-width:640px;margin:0 auto 30px}
.final .cta{justify-content:center}
.site-foot{padding:60px 24px 100px;text-align:center;color:var(--faint);font-size:12.5px;line-height:1.9;border-top:1px solid var(--rule);margin-top:80px}
.to-top{position:fixed;right:18px;bottom:18px;z-index:40;width:46px;height:46px;border-radius:50%;border:1px solid var(--rule);background:rgba(255,255,255,.92);display:grid;place-items:center;text-decoration:none;font-size:18px;box-shadow:0 6px 18px rgba(16,17,20,.08);opacity:0;pointer-events:none;transition:opacity .3s}
.to-top.show{opacity:1;pointer-events:auto}

/* ===== タブレット・スマホ ===== */
@media (max-width:960px){
  .head-cta{display:none}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step:nth-child(3n)::after{display:grid}
  .flow-step:nth-child(2n)::after{display:none}
  .compare{grid-template-columns:repeat(2,minmax(0,1fr))}
  .myths{grid-template-columns:1fr}
  .ch-body{grid-template-columns:1fr;gap:0;margin-top:32px}
  .rail{position:static;max-height:none;overflow:visible;margin:0 0 8px}
  .rail ol{display:flex;gap:8px;overflow-x:auto;border:0;padding-bottom:6px;scrollbar-width:none}
  .rail a{white-space:nowrap;border:1px solid var(--rule);border-radius:999px;padding:6px 12px;margin:0;background:var(--panel)}
  .rail a span{display:inline;margin-right:6px}
  .rail a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
  .ch-hero-in{grid-template-columns:1fr}
  .ch-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gift-in{grid-template-columns:1fr;padding:30px 26px}
  .verdict{grid-template-columns:1fr}
}
@media (max-width:860px){
  .fv-in{flex-direction:column;align-items:stretch;min-height:0}
  .fv-text{width:auto;padding:34px 20px 8px}
  .fv-stage{position:relative;inset:auto;left:auto;aspect-ratio:4/3}
  .fv-stage img{object-position:78% 50%}
  .fv-stage::before{width:100%;height:46px;bottom:auto;background:linear-gradient(180deg,var(--bg),rgba(249,248,246,0))}
  .scroll-hint{display:none}
  .tab-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  :root{--head-h:52px}
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .logo span{display:none}
  .part{padding-top:72px}
  .part-card{padding:22px 18px 22px;border-radius:22px}
  .part-head{grid-template-columns:58px 1fr;gap:14px;align-items:start}
  .avatar{width:58px;height:58px;padding:3px}
  .avatar span{font-size:17px}
  .part-sum,.part-sum-title{margin-left:0}
  .promise{grid-template-columns:1fr}
  .points,.facts,.plans,.conns,.cards,.ch-cards,.myths,.flow,.metrics,.split,.cases,.fees,.titled,.glossary{grid-template-columns:1fr}
  .flow-step::after,.flow-step:nth-child(n)::after{display:none!important}
  .compare{grid-template-columns:1fr 1fr}
  .ladder{grid-template-columns:1fr;align-items:stretch}
  .ladder li{padding-top:0;padding-left:calc(var(--i) * 14px)}
  .dx{grid-template-columns:1fr}
  .dx-2::before,.dx-3::before{left:16px;top:-10px;transform:rotate(90deg)}
  .ba-pair,.swap{grid-template-columns:1fr}
  .swap-head{display:none}
  .week li{grid-template-columns:1fr;gap:4px}
  .wk-own{text-align:left}
  .titled-news li:first-child{grid-column:auto}
  .ch-cards .ch-card:first-child{grid-column:auto}
  .timeline{grid-template-columns:1fr;gap:16px}
  .timeline::before{left:9px;right:auto;top:8px;bottom:8px;width:3px;height:auto}
  .timeline li{padding:0 0 0 38px}
  .pager{grid-template-columns:1fr}
  .pager-next{text-align:left}
  .gift{margin-top:64px;border-radius:24px}
  .gift-in{border-radius:21px;padding:24px 18px}
  .top-sec{padding-top:72px}
  .sec{padding-top:48px}
  .stats{grid-template-columns:1fr}
  .tab-panel{padding:20px 18px}
  .board-row{grid-template-columns:1fr 66px}
  .board-row>div{padding:12px 14px}
  .board-row>div:nth-child(2){padding:10px 8px}
  .board-row .how{grid-column:1/-1;padding-top:0}
  .board-head .how{display:none}
  .flap{width:42px;height:42px}.flap span{font-size:19px}
  .genre{grid-template-columns:1fr;gap:12px}
  .genre-photo img{aspect-ratio:16/9}
  .meter-row{grid-template-columns:1fr 54px}
  .meter-row .track{grid-column:1/-1;order:3}
  .relay-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .do-card{flex-direction:column;align-items:stretch;padding:22px 18px}
  /* 表はカードにする */
  .tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}
  .tbl thead{display:none}
  .tbl{background:transparent;border:0;border-radius:0}
  .tbl tr{background:var(--panel);border:1px solid var(--rule);border-radius:14px;margin:0 0 10px;padding:6px 0}
  .tbl td{border:0;padding:6px 14px}
  .tbl td::before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:var(--faint);letter-spacing:.04em}
  .tbl td:first-child::before{display:none}
  .tbl td:first-child{font-size:15.5px;padding-top:8px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}