:root{
  --void:#03060A;
  --deep:#070C14;
  --edge:rgba(160,200,255,.12);
  --edge2:rgba(160,200,255,.24);
  --text:#FFFFFF;
  --text2:#FFFFFF;
  --text3:#FFFFFF;
  --dim:#FFFFFF;
  --cy:#B0F8FF;
  --mg:#FFB7EB;
  --irid:linear-gradient(104deg,#B0F8FF 0%,#90B3FF 18%,#C5B4FF 36%,#FFB7EB 56%,#FFEEA2 76%,#BBFFCC 100%);
  --ui:"Inter","Hiragino Sans","Zen Kaku Gothic New","Noto Sans JP",-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono","Menlo",monospace;

  /* ── キービジュアル調整用（この6つだけ触れば効きます） ── */
  --kv-img:url(/assets/kv-hero.jpg);                             /* キービジュアル画像 */
  --kv-ar:1.792;                             /* キービジュアルの縦横比 */
  --kv-h:min(calc(100vw / 1.792),714px);     /* 帯の高さ（比率一致＝全体表示） */
  --kv-scale:1;                              /* 拡大率 1=等倍 */
  --kv-x:50%;                                /* 横位置 0=左 100=右 */
  --kv-y:50%;                                /* 縦位置 0=上 100=下 */
  --kv-top:48px;                             /* ナビ〜画像の余白（固定） */
  --kv-bot:76px;                             /* 文字〜次セクションの余白 */
  --kv-gap:clamp(18px,2.5vh,38px);           /* 画像〜文字の余白 */

  /* ── 文字ボックスの幅 ── */
  --wrap-w:1080px;                           /* 全体の幅 */
  --col-w:600px;                             /* ヒーロー文字の幅 */
  --head-w:640px;                            /* 見出しの折返し幅 */
  --body-w:470px;                            /* 本文の折返し幅 */
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--void);color:var(--text);font-family:var(--ui);
  font-weight:300;letter-spacing:0;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* Japanese typesetting: proportional metrics + kinsoku */
  font-feature-settings:"palt" 1;
  line-break:strict;word-break:normal;overflow-wrap:normal}
h1,h3,h4{text-wrap:balance}
h2{text-wrap:normal}
p{text-wrap:pretty}
.nowrap{white-space:nowrap}
:lang(ja) p,:lang(ja) li{line-break:strict}
.wrap{max-width:var(--wrap-w);margin:0 auto;padding:0 30px}
.irid-t{background:var(--irid);-webkit-background-clip:text;background-clip:text;
  color:transparent}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:80;height:58px;display:flex;
  align-items:center;border-bottom:1px solid transparent;
  background:linear-gradient(180deg,rgba(3,6,10,.9),rgba(3,6,10,0));
  transition:background .4s,border-color .4s}
.nav.solid{background:rgba(3,6,10,.84);backdrop-filter:blur(18px) saturate(160%);
  border-bottom-color:var(--edge)}
.nav-in{max-width:var(--wrap-w);margin:0 auto;padding:0 30px;width:100%;
  display:flex;align-items:center;gap:10px}
.nb{font-size:13px;font-weight:600;letter-spacing:-.01em}
.nb em{font-style:normal;font-weight:500;letter-spacing:.005em}
.nsp{flex:1}
.nl{display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:32px;padding:0 15px;border-radius:999px;border:1px solid var(--edge2);
  background:transparent;font-size:12px;font-weight:500;letter-spacing:.02em;
  white-space:nowrap;color:var(--text2);text-decoration:none;
  transition:color .3s,border-color .3s,background .3s,box-shadow .3s}
.nl::before{content:"";width:5px;height:5px;border-radius:50%;
  background:var(--cy);opacity:.28;transition:opacity .3s,box-shadow .3s}
.nl:hover{border-color:rgba(176,248,255,.5);
  background:linear-gradient(180deg,rgba(176,248,255,.15),rgba(176,248,255,.04));
  box-shadow:0 0 20px -7px rgba(176,248,255,.6),inset 0 1px 0 rgba(255,255,255,.09)}
.nl:hover::before{opacity:1;box-shadow:0 0 9px 1px rgba(176,248,255,.85)}
.nl:focus-visible{outline:2px solid var(--cy);outline-offset:3px}

/* ── hero ── */
.hero{position:relative;display:flex;flex-direction:column;
  justify-content:flex-start;overflow:hidden;background:var(--void);
  padding:calc(58px + var(--kv-top)) 0 var(--kv-bot)}
.hero-photo{position:relative;flex:none;margin-left:auto;margin-right:auto;
  height:var(--kv-h);width:min(100%,calc(var(--kv-h) * var(--kv-ar)));
  margin-bottom:var(--kv-gap);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-image:var(--kv-img);
  background-size:contain;background-repeat:no-repeat;
  background-position:var(--kv-x) var(--kv-y);
  transform:scale(var(--kv-scale))}
.hero-in{position:relative;z-index:2;width:100%}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end}
.hero-card{border:1px solid var(--edge);border-radius:16px;padding:20px 24px;min-width:236px;
  background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  backdrop-filter:blur(10px)}
.hc{display:flex;justify-content:space-between;gap:20px;padding:9px 0;
  border-bottom:1px solid var(--edge);font-family:var(--mono);font-size:10.5px;
  letter-spacing:.13em;text-transform:uppercase}
.hc:last-child{border-bottom:none;padding-bottom:0}
.hc span{color:var(--text3)}
.hc b{font-weight:400;color:var(--cy)}
.col{position:relative;max-width:var(--col-w);padding-left:32px}
.col::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:1px;
  background:var(--irid);opacity:.6}
.hero h1{font-size:clamp(21px,2.1vw,27px);font-weight:200;line-height:1.56;
  letter-spacing:-.012em}
.hero h1 .big{font-weight:400}
.hero h1 b{font-weight:500}
.sub{margin-top:18px;max-width:23em;font-size:clamp(13px,1.3vw,15px);
  line-height:2.15;letter-spacing:.015em;color:var(--text2)}
.acts{margin-top:40px}

.hair{height:1px;background:var(--irid);opacity:.38}

/* bands */
.band{padding:126px 0;position:relative}
.band.tint{background:radial-gradient(90% 60% at 50% 0%,rgba(144,179,255,.07),transparent 70%),var(--deep)}
.bh{margin-bottom:54px}
.bh .eb{font-family:var(--mono);font-size:10.5px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--text3);margin-bottom:16px}
.bh h2{font-size:clamp(24px,3.4vw,42px);font-weight:200;letter-spacing:-.014em;
  line-height:1.42;max-width:var(--head-w)}
.bh h2 b{font-weight:500}
.bh p{margin-top:22px;font-size:15px;line-height:2.15;letter-spacing:.015em;
  color:var(--text2);max-width:var(--body-w)}

/* ── transform (signature) ── */
.tf{border:1px solid var(--edge);border-radius:22px;overflow:hidden;
  background:linear-gradient(165deg,rgba(255,255,255,.045),rgba(255,255,255,.01))}
.tf-top{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:18px;padding:34px 34px 12px}
.tf-side{min-width:0}
.tf-side .lab{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--text3);margin-bottom:8px}
.tf-side .amt{font-size:clamp(26px,3.6vw,44px);font-weight:300;letter-spacing:-.035em;
  line-height:1;font-variant-numeric:tabular-nums}
.tf-side.a .amt{color:var(--dim)}
.tf-side.b{text-align:right}
.tf-side .of{font-size:12.5px;color:var(--text3);margin-top:9px}
.tf-node{text-align:center;padding:0 6px}
.tf-node .ring{width:54px;height:54px;border-radius:50%;border:1px solid var(--edge2);
  display:flex;align-items:center;justify-content:center;margin:0 auto 8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em}
.tf-node .cap{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--text3)}
.tf canvas{display:block;width:100%;height:150px}
.tf-foot{border-top:1px solid var(--edge);padding:17px 34px;
  font-size:12.5px;color:var(--text3);line-height:1.95;letter-spacing:.015em}





/* ── buttons ── */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500;
  letter-spacing:-.005em;text-decoration:none;padding:0 30px;height:50px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;position:relative;isolation:isolate;
  transition:transform .32s cubic-bezier(.2,.7,.2,1),box-shadow .32s,border-color .32s,color .32s}
.btn:focus-visible{outline:2px solid var(--cy);outline-offset:3px}
.btn .ar{font-size:15px;line-height:1;transition:transform .32s cubic-bezier(.2,.7,.2,1)}
.btn:hover .ar{transform:translateX(3px)}

.btn-a{color:#04080C;background:var(--irid);
  box-shadow:0 0 0 0 rgba(176,248,255,0),0 10px 26px -12px rgba(150,190,255,.5)}
.btn-a:hover{transform:translateY(-2px);
  box-shadow:0 0 26px -2px rgba(160,200,255,.38),0 16px 34px -14px rgba(150,190,255,.6)}

.btn-b{color:var(--text);background:rgba(255,255,255,.05);
  border-color:var(--edge2);backdrop-filter:blur(10px)}
.btn-b:hover{transform:translateY(-2px);border-color:rgba(176,248,255,.55);
  background:rgba(255,255,255,.09)}

.acts{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}



/* ── 対応状況バッジ と 検証結果パネル ── */
.tile .d.st-ok,.tile .d.st-tbd{font-family:var(--mono);font-size:9px;
  letter-spacing:.06em;display:flex;align-items:center;gap:6px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .d.st-ok{color:var(--cy)}
.tile .d.st-tbd{color:var(--text3)}
.tile .d.st-ok::before,.tile .d.st-tbd::before{content:"";width:5px;height:5px;
  flex:0 0 auto;border-radius:50%;background:currentColor}
.tile .d.st-ok::before{box-shadow:0 0 8px 1px rgba(176,248,255,.8)}
.vnote{max-width:740px;margin:34px auto 0;font-size:12.5px;color:var(--text2);
  text-align:center;letter-spacing:.01em}
.vspec{max-width:740px;margin:14px auto 0}
.vspec .vcap{display:flex;justify-content:space-between;gap:18px;padding:2px 2px 10px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--text3)}
.vspec .vcap b{color:var(--cy);font-weight:400}
.vspec .srow .sk{color:var(--text2)}
.vspec .srow .sv b{color:var(--cy);font-weight:500}
@media(max-width:800px){.vspec .vcap{flex-direction:column;gap:4px}}

.dlrow{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:34px}
/* ── A/B 試聴（01 Transformation カード内） ── */
.ab{border-top:1px solid var(--edge)}
.ab-tabs{display:flex;gap:8px;padding:15px 34px 0}
.ab-tabs button{padding:7px 16px;border-radius:999px;border:1px solid var(--edge2);
  background:transparent;color:var(--text3);font-family:var(--mono);font-size:9.5px;
  letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:all .18s}
.ab-tabs button:hover{color:var(--text);border-color:var(--text3)}
.ab-tabs button.on{border-color:rgba(176,248,255,.55);
  background:linear-gradient(180deg,rgba(176,248,255,.16),rgba(176,248,255,.04));
  box-shadow:0 0 22px -8px rgba(176,248,255,.65),inset 0 1px 0 rgba(255,255,255,.09)}
/* 選択中のタブは、個別に色を指定していても必ずシアンで表示する */
.ab-tabs button.on{color:var(--cy);-webkit-text-fill-color:var(--cy)}
.ab-head{display:flex;align-items:center;gap:14px;padding:14px 34px}
.ab-play{width:40px;height:40px;flex:0 0 40px;border-radius:999px;border:1px solid var(--mg);
  background:rgba(255,183,235,.08);color:var(--mg);cursor:pointer;display:flex;
  align-items:center;justify-content:center;transition:background .2s,color .2s;padding:0}
.ab-play:hover{background:var(--mg);color:var(--void)}
.ab-play svg{width:14px;height:14px;fill:currentColor}
.ab-name{flex:1;min-width:0}
.ab-name b{display:block;font-size:13.5px;color:var(--text);font-weight:700}
.ab-name span{display:block;margin-top:3px;font-family:var(--mono);font-size:9px;
  letter-spacing:.15em;text-transform:uppercase;color:var(--text3)}
.ab-time{font-family:var(--mono);font-size:10.5px;color:var(--text3);
  font-variant-numeric:tabular-nums;flex:0 0 auto}
.ab-status{display:none;margin:0 34px 12px;padding:9px 12px;border-radius:8px;
  font-family:var(--mono);font-size:10px;line-height:1.7;letter-spacing:.04em;word-break:break-all}
.ab-status.show{display:block}
.ab-status.busy{background:rgba(126,216,232,.09);color:var(--cy);border:1px solid rgba(126,216,232,.3)}
.ab-status.err{background:rgba(255,120,120,.09);color:#ff9a9a;border:1px solid rgba(255,120,120,.35)}
.ab-seek{height:2px;background:rgba(255,255,255,.07);cursor:pointer;position:relative;margin:0 34px}
.ab-seek i{position:absolute;left:0;top:-1px;bottom:-1px;width:0;display:block;border-radius:2px;
  background:linear-gradient(90deg,var(--cy),var(--mg))}
.ab-group{display:none;padding:6px 0 4px}
.ab-group.on{display:block}
.ab-row{display:flex;align-items:center;gap:16px;padding:11px 34px;transition:background .2s}
.ab-row:hover{background:rgba(255,255,255,.022)}
.ab-row.on{background:rgba(126,216,232,.05)}
.ab-pn{flex:0 0 176px;font-size:11.5px;color:var(--text3);letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ab-row.on .ab-pn{color:var(--text)}
.ab-wave{flex:1;min-width:0;height:30px;display:flex;align-items:center;
  justify-content:center;gap:2px;overflow:hidden}
.ab-wave i{display:block;width:2px;border-radius:1px;background:var(--text3);
  transition:height .35s cubic-bezier(.4,0,.2,1),background .2s,opacity .2s;opacity:.42}
.ab-row.on .ab-wave i{opacity:.8}
.ab-row.on .ab-wave i.lit{background:var(--cy)}
.ab-row.on.dom .ab-wave i.lit{background:var(--mg)}
.ab-tog{display:flex;gap:5px;flex:0 0 auto}
.ab-tog button{display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--edge2);
  background:transparent;color:var(--text3);font-family:var(--mono);font-size:9px;
  letter-spacing:.12em;cursor:pointer;min-width:76px;
  transition:color .3s,border-color .3s,background .3s,box-shadow .3s}
.ab-tog button::before{content:"";width:5px;height:5px;border-radius:50%;
  background:currentColor;opacity:.28;transition:opacity .3s,box-shadow .3s}
.ab-tog button:hover{color:var(--text2);border-color:var(--text3)}
.ab-row.on .ab-tog button.sel{color:var(--cy);border-color:rgba(176,248,255,.5);
  background:linear-gradient(180deg,rgba(176,248,255,.15),rgba(176,248,255,.04));
  box-shadow:0 0 20px -7px rgba(176,248,255,.6),inset 0 1px 0 rgba(255,255,255,.09)}
.ab-row.on .ab-tog button.sel::before{opacity:1;
  box-shadow:0 0 9px 1px rgba(176,248,255,.85)}
.ab-row.on.dom .ab-tog button.sel{color:var(--mg);border-color:rgba(255,183,235,.5);
  background:linear-gradient(180deg,rgba(255,183,235,.15),rgba(255,183,235,.04));
  box-shadow:0 0 20px -7px rgba(255,183,235,.6),inset 0 1px 0 rgba(255,255,255,.09)}
.ab-row.on.dom .ab-tog button.sel::before{opacity:1;
  box-shadow:0 0 9px 1px rgba(255,183,235,.85)}
.ab-foot{border-top:1px solid var(--edge);padding:15px 34px;font-size:11.5px;
  color:var(--text3);line-height:1.9;letter-spacing:.015em}
@media(max-width:1080px){ .ab-wave{display:none} .ab-pn{flex:1 1 auto} }
@media(max-width:560px){
  .ab-tabs,.ab-head,.ab-row,.ab-foot{padding-left:20px;padding-right:20px}
  .ab-seek,.ab-status{margin-left:20px;margin-right:20px}
  .ab-tog button{min-width:60px;padding:8px 10px}
}

/* ── AI agent ── */
.aifig{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--edge);
  background:var(--void)}
.aifig img{display:block;width:100%;height:auto}
.aifig::after{content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 90px 20px rgba(3,6,10,.6);
  background:linear-gradient(180deg,rgba(3,6,10,.24) 0%,transparent 26%,transparent 74%,rgba(3,6,10,.42) 100%)}
.figcap{margin-top:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--text3)}
.aipts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px}
.aipt{border:1px solid var(--edge);border-radius:18px;padding:28px 26px;
  background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.012))}
.aipt .no{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;margin-bottom:14px}
.aipt h4{font-size:16.5px;font-weight:500;letter-spacing:-.008em;margin-bottom:12px;
  line-height:1.62}
.aipt p{font-size:13.5px;line-height:2.15;letter-spacing:.015em;color:var(--text2)}


/* ── media ── */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:stretch}
.figpanel{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--edge);
  background:var(--void);min-width:0;max-width:100%}
.figpanel img{display:block;width:100%;height:100%;object-fit:cover}
.figpanel::after{content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 80px 16px rgba(3,6,10,.55);
  background:linear-gradient(180deg,rgba(3,6,10,.2),transparent 30%,transparent 70%,rgba(3,6,10,.5))}
.figpanel .tagline{position:absolute;left:20px;bottom:16px;z-index:2;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--text2)}
.split-spec{grid-template-columns:1.25fr .75fr}
.dsplit{display:grid;grid-template-columns:.9fr 1.1fr;gap:16px;align-items:stretch;margin-top:16px}


/* ── interlude ── */
.inter{position:relative;height:clamp(300px,46vh,480px);overflow:hidden;
  display:flex;align-items:center;justify-content:center}
.inter-bg{position:absolute;inset:0;background-size:cover;background-position:50% 50%;
  transform:scale(1.06);filter:blur(2px) saturate(1.12)}
.inter-bg::after{content:"";position:absolute;inset:0;background:
  radial-gradient(62% 78% at 50% 50%,rgba(3,6,10,.86) 0%,rgba(3,6,10,.62) 48%,rgba(3,6,10,.2) 82%,transparent 100%),
  linear-gradient(180deg,var(--void) 0%,rgba(3,6,10,.5) 24%,rgba(3,6,10,.5) 74%,var(--void) 100%)}
.inter-tx{position:relative;z-index:2;text-align:center;padding:0 24px}
.inter-tx p{font-size:clamp(17px,2.2vw,26px);font-weight:200;letter-spacing:-.012em;
  line-height:1.72;max-width:22em;margin:0 auto}
.inter-tx small{display:block;margin-top:16px;font-family:var(--mono);font-size:10px;
  letter-spacing:.26em;text-transform:uppercase;color:var(--text3)}

/* ── CTA backdrop ── */
.cta{isolation:isolate}
.cta-bg{position:absolute;inset:0;z-index:-1;background-size:cover;
  background-position:50% 50%;opacity:.5}
.cta-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(180deg,var(--void) 0%,rgba(3,6,10,.66) 30%,rgba(3,6,10,.72) 66%,var(--void) 100%),
  radial-gradient(70% 55% at 50% 45%,transparent 20%,rgba(3,6,10,.62) 100%)}
.fig-band{margin-bottom:22px;width:100%;height:clamp(190px,25vw,300px)}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(212px,1fr));gap:12px}
.tile{border-radius:16px;padding:22px 20px 18px;border:1px solid var(--edge);
  background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.014));
  transition:border-color .4s,transform .4s}
.tile:hover{border-color:var(--edge2);transform:translateY(-3px)}
.tile .n{font-size:14.5px;font-weight:500;letter-spacing:-.015em}
.tile .e{font-size:12px;color:var(--text3);margin-top:4px;min-height:32px;
  line-height:1.72;letter-spacing:.01em}
.tile canvas{display:block;width:100%;height:44px;margin:8px 0 12px}
.tile .d{font-family:var(--mono);font-size:11.5px;letter-spacing:-.01em}

/* paths */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.paths-stack{grid-template-columns:1fr}
.path{border-radius:20px;padding:40px 34px;border:1px solid var(--edge);
  background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.012))}
.path .kick{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;
  text-transform:uppercase;margin-bottom:16px}
.path h3{font-size:22px;font-weight:400;letter-spacing:-.012em;line-height:1.5;
  margin-bottom:16px}
.path p{font-size:14px;line-height:2.15;letter-spacing:.015em;color:var(--text2);
  max-width:min(400px,var(--body-w))}
.path ul{list-style:none;margin-top:26px;border-top:1px solid var(--edge)}
.path li{font-size:13px;color:var(--text2);padding:13px 0;border-bottom:1px solid var(--edge);
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;letter-spacing:.01em}
.path li b{font-weight:400;color:var(--text)}
.path li span{font-family:var(--mono);font-size:11.5px;color:var(--text3)}

/* spec */
.spec{max-width:740px;border-top:1px solid var(--edge)}
.srow{display:flex;justify-content:space-between;gap:22px;padding:19px 2px;
  border-bottom:1px solid var(--edge);font-size:14.5px;letter-spacing:.01em;line-height:1.7}
.srow .sk{color:var(--text3)}
.srow .sv{font-weight:400;text-align:right}
.sealrow{margin-top:52px;display:flex;align-items:center;gap:22px}
.seal{width:86px;height:86px;flex:none;border:1.5px solid var(--mg);border-radius:6px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:var(--mg);transform:rotate(-3deg)}
.seal .a{font-size:11px;font-weight:500;letter-spacing:.14em}
.seal .b{font-family:var(--mono);font-size:15px}
.seal .c{font-size:8px;letter-spacing:.2em;opacity:.72}
.sealtx{font-size:13px;color:var(--text3);line-height:2.05;letter-spacing:.015em;max-width:27em}

/* cta */
.cta{padding:136px 0 150px;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:50%;top:0;width:900px;height:420px;
  transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(closest-side,rgba(197,180,255,.15),transparent 72%)}
.cta h2{position:relative;font-size:clamp(26px,3.9vw,46px);font-weight:200;
  letter-spacing:-.014em;line-height:1.42;max-width:17em;margin:0 auto}
.cta h2 b{font-weight:500}
.cta .acts{justify-content:center}
.cta p{position:relative;margin:22px auto 42px;max-width:26em;font-size:15.5px;
  color:var(--text2);line-height:2.1;letter-spacing:.015em}

/* footer */
.ft{border-top:1px solid var(--edge);padding:34px 0;background:var(--void)}
.ft-in{display:flex;flex-wrap:wrap;gap:16px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--text3)}
.ft-sp{flex:1}

.rv{opacity:0;transform:translateY(20px);
  transition:opacity 1s cubic-bezier(.22,.7,.2,1),transform 1s cubic-bezier(.22,.7,.2,1)}
.rv.on{opacity:1;transform:none}

@media(max-width:800px){
  .wrap{padding:0 20px}.nav-in{padding:0 20px;gap:8px}.nl{display:none}
  .hero-bg{background-position:64% 40%}
  .hero-bg::after{background:linear-gradient(180deg,rgba(3,6,10,.78) 0%,transparent 22%,rgba(3,6,10,.5) 52%,rgba(3,6,10,.94) 78%,var(--void) 100%)}
  .hero{padding:calc(58px + var(--kv-top)) 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:0}
  .hero-card{display:none}
  .sub{margin-top:20px;line-height:1.95}
  .acts{margin-top:26px}
  .btn{height:46px;padding:0 24px;font-size:13.5px}

  .col{max-width:none;padding-left:20px}
  .hero h1{font-size:clamp(20px,5.2vw,27px);line-height:1.56}
  .split,.dsplit,.split-spec{grid-template-columns:1fr}
  .inter{height:300px}
  .figpanel{min-height:280px}
  .paths{grid-template-columns:1fr}
  .aipts{grid-template-columns:1fr}
  .band{padding:86px 0}
  .tf-top{grid-template-columns:1fr;gap:22px;text-align:center;padding:28px 22px 10px}
  .tf-side.b{text-align:center}
  .tf-foot{padding:16px 22px}
  .sealrow{flex-direction:column;align-items:flex-start;gap:18px}
}
@media(max-width:620px){
  .hero{padding:calc(58px + var(--kv-top)) 0 40px}
  .hero-photo{margin-bottom:16px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}.kv{transform:scale(1.03)}
}
.hero-photo{position:relative}
.hero-logo{position:absolute;top:16px;right:16px;width:132px;height:auto;z-index:3;opacity:.96;border-radius:10px;box-shadow:0 4px 18px -6px rgba(0,0,0,.6);pointer-events:none}
@media(max-width:640px){.hero-logo{width:92px;top:10px;right:10px}}
/* === 全ページ共通ナビ（統一）=== */
/* ナビ内側の幅をキービジュアルと一致させる（ブランド左端＝KV左端） */
.nav-in{max-width:none;width:min(calc(100% - 40px),calc(var(--kv-h) * var(--kv-ar)));padding:0;margin:0 auto}
.nav-in .nb{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:inherit;
  white-space:nowrap;flex:0 0 auto}
.nav-in .nb .nba,.nav-in .nb em{white-space:nowrap;flex:0 0 auto}
.nb-logo{width:30px;height:30px;border-radius:7px;display:block;flex:0 0 auto;box-shadow:0 2px 10px -3px rgba(0,0,0,.65)}
.nav-in .nl{flex:0 0 auto;white-space:nowrap}
.nav-in .nl[aria-current="page"]{opacity:1}
.nav-in .nl[aria-current="page"]::after{content:"";display:block;height:1px;margin-top:3px;background:currentColor;opacity:.6}
@media(max-width:640px){.nb-logo{width:24px;height:24px;border-radius:6px}}
@media(prefers-reduced-motion:reduce){.rv{transition:none!important}}

/* === ページヒーロー（トップのキービジュアルと同じ枠取り）=== */
.pagehero{position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--void);padding:calc(58px + var(--kv-top)) 0 0}
.ph-frame{position:relative;flex:none;margin:0 auto 16px;
  width:min(100%,calc(var(--kv-h) * var(--kv-ar)));aspect-ratio:var(--kv-ar);
  overflow:hidden;isolation:isolate}
.ph-bg{position:absolute;inset:0;background-image:var(--kv-img);background-size:cover;background-position:center}
.ph-frame::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,6,10,0) 55%,rgba(3,6,10,.88) 100%)}
.ph-logo{position:absolute;top:16px;right:16px;width:132px;height:auto;z-index:3;opacity:.96;
  border-radius:10px;box-shadow:0 4px 18px -6px rgba(0,0,0,.6);pointer-events:none}
@media(max-width:640px){.ph-logo{width:92px;top:10px;right:10px}}
body[data-page="tf"]       .ph-bg{--kv-img:url(/assets/hero-tf.jpg)}
body[data-page="ai"]       .ph-bg{--kv-img:url(/assets/hero-ai.jpg)}
body[data-page="spec"]     .ph-bg{--kv-img:url(/assets/hero-spec.jpg)}
body[data-page="download"] .ph-bg{--kv-img:url(/assets/hero-download.jpg)}
body[data-page="pricing"]  .ph-bg{--kv-img:url(/assets/hero-pricing.jpg)}
body[data-page="contact"]  .hero-bg{--kv-img:url(/assets/hero-contact.jpg)}

/* narrow：ピルが入りきらない幅では横方向にスクロール（縦の高さは58pxを維持）*/
@media(max-width:1340px){
  .nav-in{overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;
    -webkit-overflow-scrolling:touch}
  .nav-in::-webkit-scrollbar{display:none}
}

/* ヒーロー直後の余白をトップと同じ詰め方に揃える */
.ph-frame{margin-bottom:24px}
.pagehero + section{padding-top:0}

/* 解説動画 */
.vfig{position:relative;margin:26px auto 0;width:min(100%,calc(var(--kv-h) * var(--kv-ar)));
  border:1px solid var(--edge);border-radius:14px;overflow:hidden;background:#05080d;isolation:isolate}
.vfig video{display:block;width:100%!important;max-width:100%;height:auto}
.vcapx{margin-top:10px;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--text3)}

/* トップ項目 */
.nav-in .nl.nl-home{color:var(--text)}

/* === 構造図 === */
.dgm-sys{border:1px solid var(--edge);border-radius:14px;padding:20px 18px;margin-top:26px;
  background:linear-gradient(180deg,rgba(255,255,255,.014),rgba(255,255,255,0))}
svg.sysdgm{width:100%;height:auto;display:block}
.sysdgm .ln{font-family:var(--mono);font-size:13px;letter-spacing:.1em;fill:#B0F8FF}
.sysdgm .lt{font-family:var(--ui);font-size:13px;font-weight:400;fill:var(--text)}
.sysdgm .ld{font-family:var(--ui);font-size:9.5px;fill:var(--text3)}
.sysdgm .sl{font-family:var(--mono);font-size:10px;letter-spacing:.1em}
.sysdgm .ss{font-family:var(--ui);font-size:8.5px;fill:var(--text2)}
.sysdgm .an{font-family:var(--ui);font-size:8.5px;fill:var(--text3)}
.sysdgm .kk{font-family:var(--mono);font-size:8px;letter-spacing:.22em;fill:var(--dim)}
.sysdgm .kv{font-family:var(--ui);font-size:10px;fill:var(--text2)}

.dgm-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
@media(max-width:820px){.dgm-grid{grid-template-columns:1fr}}
.dgm-card{border:1px solid var(--edge);border-radius:13px;padding:15px 15px 8px;
  background:rgba(255,255,255,.012)}
.dgm-hd{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.dgm-hd .n{font-family:var(--mono);font-size:8.5px;letter-spacing:.26em;color:var(--text3)}
.dgm-hd .t{font-size:14px;font-weight:300;color:var(--text)}
.dgm-note{font-size:11px;color:var(--text2);margin:5px 0 8px;line-height:1.7}
svg.dgm{width:100%;height:auto;display:block}
.dgm .nl{font-family:var(--mono);font-size:9px;letter-spacing:.06em}
.dgm .ns{font-family:var(--ui);font-size:8.5px;fill:var(--text3)}
.dgm .dl{font-family:var(--mono);font-size:12px;letter-spacing:.18em;fill:var(--text)}
.dgm .ds{font-family:var(--ui);font-size:8.5px;fill:var(--text2)}
.dgm .cap{font-family:var(--mono);font-size:7.5px;letter-spacing:.2em;fill:var(--dim)}

/* === アカウント関連の画面 === */
.acc{max-width:640px;margin:0 auto}
.acc-wide{max-width:920px;margin:0 auto}
.card{border:1px solid var(--edge);border-radius:16px;background:var(--deep);padding:26px 28px;margin-top:18px}
.card h3{font-size:15px;font-weight:400;margin:0 0 4px;color:var(--text)}
.card .cnote{font-size:12px;color:var(--text2);line-height:1.85}
.fld{margin-top:14px}
.fld label{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:var(--text2);margin-bottom:6px}
.fld input{width:100%;background:#0E1620;border:1px solid var(--edge2);border-radius:9px;
  padding:11px 13px;color:var(--text);font:14px/1.5 var(--ui);outline:none}
.fld input:focus{border-color:var(--cy)}
.btn-full{display:block;width:100%;margin-top:16px;padding:12px;border-radius:10px;cursor:pointer;
  border:1px solid var(--cy);background:var(--cy);color:#03060A;font:600 14px var(--ui)}
.btn-full.ghost{background:transparent;color:var(--text);border-color:var(--edge2);font-weight:400}
.btn-full:disabled{opacity:.45;cursor:default}
.lnk{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--cy);cursor:pointer;text-decoration:none}
.msg{margin-top:14px;font-size:12.5px;line-height:1.8;padding:10px 12px;border-radius:8px;display:none}
.msg.err{display:block;background:rgba(255,154,154,.08);border:1px solid rgba(255,154,154,.3);color:#FF9A9A}
.msg.ok{display:block;background:rgba(187,255,204,.07);border:1px solid rgba(187,255,204,.3);color:#BBFFCC}
.msg.info{display:block;background:rgba(160,200,255,.06);border:1px solid var(--edge2);color:var(--text2)}
.kv2{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dotted var(--edge)}
.kv2:last-child{border-bottom:0}
.kv2 .k{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--text2);padding-top:3px}
.kv2 .v{font-size:13.5px;color:var(--text);text-align:right}
.tbl{width:100%;border-collapse:collapse;margin-top:10px}
.tbl th{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--text2);text-align:left;
  padding:6px 8px;border-bottom:1px solid var(--edge);font-weight:400}
.tbl td{font-size:12.5px;color:var(--text);padding:9px 8px;border-bottom:1px dotted var(--edge)}
.pill{display:inline-block;font-family:var(--mono);font-size:9px;letter-spacing:.14em;
  padding:3px 9px;border-radius:20px;border:1px solid var(--edge2)}
.pill.on{color:#BBFFCC;border-color:rgba(187,255,204,.4)}
.pill.off{color:var(--text2)}


/* ==== hamburger nav (mobile) ==== */
.navtoggle{display:none;background:none;border:0;cursor:pointer;
  width:38px;height:38px;padding:8px;margin-left:auto;flex:0 0 auto;
  flex-direction:column;justify-content:space-between}
.navtoggle span{display:block;height:2px;width:100%;background:var(--text);
  border-radius:2px;transition:transform .25s,opacity .25s}
.nav.nav-open .navtoggle span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav.nav-open .navtoggle span:nth-child(2){opacity:0}
.nav.nav-open .navtoggle span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
@media(max-width:800px){
  .navtoggle{display:flex}
  .nav-in{flex-wrap:wrap;position:relative}
  .nav .nl{display:none}
  .nav.nav-open .nav-in{padding-bottom:14px}
  .nav.nav-open .nl{display:block;width:100%;padding:11px 4px;
    font-size:16px;border-top:1px solid var(--edge)}
  .nav.nav-open{height:auto;background:rgba(3,6,10,.96);
    backdrop-filter:blur(18px) saturate(1.2)}
}