:root{
  color-scheme:dark;
  --page:#070b12;
  --page-2:#0b1422;
  --page-3:#0e192b;
  --ink:#e6edf7;
  --ink-2:#a3b0c2;
  --ink-3:#66748a;
  --rule:#1a2333;
  --line:rgba(255,255,255,.09);
  --cyan:#22d3ee;
  --pink:#f472b6;
  --orange:#ff9f43;
  --green:#34d399;
  --blue:#60a5fa;
  --purple:#a78bfa;
  --warn:#fbbf24;
  --jp:"Noto Sans JP","Yu Gothic UI","Hiragino Sans",Meiryo,sans-serif;
  --mono:"JetBrains Mono",Consolas,monospace;
  --disp:"Chakra Petch","JetBrains Mono",sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--page);color:var(--ink);font:15px/1.8 var(--jp);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:
    radial-gradient(900px 520px at 78% -8%,rgba(34,211,238,.10),transparent 60%),
    radial-gradient(700px 500px at -10% 30%,rgba(167,139,250,.07),transparent 60%),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px) 0 0/100% 32px;}
a{color:var(--cyan)}
img{max-width:100%;display:block}
h1,h2,h3{margin:0;text-wrap:balance;word-break:auto-phrase;line-height:1.3}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
.eyebrow{font:600 11px/1 var(--mono);letter-spacing:2.6px;text-transform:uppercase;color:var(--cyan)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:20;background:rgba(7,11,18,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:28px;height:28px}
.brand b{font:700 16px/1 var(--disp);letter-spacing:2.4px}
.nav-links{display:flex;gap:20px;margin-left:auto}
.nav-links a{color:var(--ink-2);text-decoration:none;font-size:13px}
.nav-links a:hover{color:var(--ink)}
@media (max-width:760px){.nav-links{display:none}.nav .btn{margin-left:auto}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;border-radius:4px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .15s,background .15s}
.btn-sm{font-size:13px;padding:8px 14px}
.btn-lg{font-size:16px;padding:15px 28px}
.btn-primary{background:var(--cyan);color:#03141a;box-shadow:0 0 0 1px rgba(34,211,238,.4),0 8px 28px rgba(34,211,238,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,211,238,.6),0 10px 34px rgba(34,211,238,.4)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--cyan)}
.btn[aria-disabled="true"]{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:40px}.hero{padding-top:44px}}
.hero h1{font-size:clamp(32px,5.2vw,54px);font-weight:700;letter-spacing:.5px;margin:18px 0 18px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{color:var(--ink-2);font-size:16px;max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:30px}
.price-tag{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-tag .now{font:700 30px/1 var(--disp);letter-spacing:1px}
.was-wrap{display:inline-flex;align-items:baseline;gap:5px;color:var(--ink-3)}
.was-wrap small{font-size:11px;font-weight:500;letter-spacing:.5px}
/* 1本線だと ¥7,980 が ¥7,900 に見えるので、二重線＋太めの間隔で数字の上を通す */
.was{font-family:var(--disp);color:var(--ink-3);text-decoration:line-through double;text-decoration-thickness:1px;text-decoration-color:rgba(248,113,113,.9)}
.price-tag .tax{font-size:12px;color:var(--ink-3)}
.badge{display:inline-flex;align-items:center;gap:6px;font:600 11px/1 var(--mono);letter-spacing:1.4px;color:var(--warn);border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.08);padding:6px 10px;border-radius:3px}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--warn);box-shadow:0 0 8px var(--warn);animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.3}}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;font-size:12px;color:var(--ink-3)}
.hero-meta span::before{content:"✓ ";color:var(--green)}

/* ---------- panel illustration ---------- */
.panel{--ac:var(--green);position:relative;border:1px solid rgba(255,255,255,.1);border-radius:8px;overflow:hidden;
  background:linear-gradient(180deg,#0c1220,#070b12 60%,#05080e);box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(34,211,238,.06),0 0 60px -10px color-mix(in srgb,var(--ac) 30%,transparent);
  display:grid;grid-template-columns:52px 1fr;min-height:380px;font-size:12px;color:#c8d4e4}
.panel .rail{background:#060a12;border-right:1px solid rgba(255,255,255,.06);display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px 0}
.panel .rail button{all:unset;width:34px;height:34px;display:grid;place-items:center;border-radius:6px;cursor:pointer;opacity:.45;transition:opacity .15s,background .15s;position:relative}
.panel .rail button img{width:24px;height:24px}
.panel .rail button:hover{opacity:.85}
.panel .rail button.on{opacity:1;background:color-mix(in srgb,var(--c) 14%,transparent);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--c) 40%,transparent)}
.panel .rail button.on::before{content:"";position:absolute;left:-9px;top:8px;bottom:8px;width:2px;background:var(--c);box-shadow:0 0 6px var(--c)}
.panel .main{display:flex;flex-direction:column;min-width:0}
.panel .head{display:flex;align-items:center;gap:10px;padding:10px 14px;background:#0a1120;border-bottom:1px solid color-mix(in srgb,var(--ac) 30%,transparent)}
.panel .head b{font:600 12px/1 var(--mono);letter-spacing:1.6px;color:#eaf6ff;text-transform:uppercase}
.panel .head small{display:block;font:500 9px/1.2 var(--mono);letter-spacing:2px;color:color-mix(in srgb,var(--ac) 75%,transparent);margin-top:3px}
.panel .head .ver{margin-left:auto;font:500 10px/1 var(--mono);color:var(--ac);border:1px solid color-mix(in srgb,var(--ac) 35%,transparent);background:color-mix(in srgb,var(--ac) 10%,transparent);padding:3px 7px;border-radius:2px}
.panel .body{padding:14px;display:flex;flex-direction:column;gap:12px;flex:1}
.panel .view{display:none;flex-direction:column;gap:12px;flex:1}
.panel .view.on{display:flex;animation:fade .3s}
@keyframes fade{from{transform:translateY(4px)}}
.hud-box{border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.025);border-radius:4px;padding:10px 12px}
.hud-label{font:600 9px/1 var(--mono);letter-spacing:2px;color:rgba(200,212,228,.5);margin-bottom:8px;display:flex;justify-content:space-between}
.hud-label em{font-style:normal;color:var(--ac)}
.hud-btn{border:1px solid color-mix(in srgb,var(--ac) 45%,transparent);background:color-mix(in srgb,var(--ac) 14%,transparent);color:var(--ac);font:600 11px/1 var(--mono);letter-spacing:1.2px;padding:10px;border-radius:3px;text-align:center}
.hud-row{display:flex;gap:8px}
.hud-row>*{flex:1}
.chip-row{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:11px;padding:4px 8px;border-radius:3px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.03)}
.chip.on{border-color:color-mix(in srgb,var(--ac) 50%,transparent);color:var(--ac);background:color-mix(in srgb,var(--ac) 10%,transparent)}
.wave{width:100%;height:64px;display:block}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.tiles div{aspect-ratio:16/10;border-radius:3px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(135deg,rgba(96,165,250,.18),rgba(96,165,250,.03));display:grid;place-items:end start;padding:4px 6px;font-size:9px;color:var(--ink-2)}
.tiles div.on{border-color:var(--ac);box-shadow:0 0 0 1px var(--ac) inset}

/* ---------- sections ---------- */
section{padding:88px 0}
section.alt{background:linear-gradient(180deg,rgba(11,20,34,.6),rgba(11,20,34,.2));border-block:1px solid var(--rule)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);margin:12px 0 14px}
.sec-head p{color:var(--ink-2)}
.center{text-align:center;margin-inline:auto}

/* pains */
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:800px){.pains{grid-template-columns:1fr}}
.pain{border:1px solid var(--rule);border-radius:6px;padding:22px;background:var(--page-2)}
.pain .q{font-weight:700;font-size:16px;margin-bottom:10px}
.pain .a{color:var(--ink-2);font-size:14px}
.pain .a b{color:var(--ac,var(--cyan))}

/* tools */
.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:820px){.tools{grid-template-columns:1fr}}
.tool{--c:var(--cyan);border:1px solid var(--rule);border-radius:8px;background:var(--page-2);overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.tool:hover{border-color:color-mix(in srgb,var(--c) 45%,transparent);transform:translateY(-2px)}
.tool .vis{aspect-ratio:16/8;background:radial-gradient(400px 200px at 50% 120%,color-mix(in srgb,var(--c) 18%,transparent),transparent),#060a12;border-bottom:1px solid var(--rule);display:grid;place-items:center;position:relative}
.tool .vis svg{width:86%;height:78%}
.tool .vis .demo-tag{position:absolute;right:10px;top:10px;font:600 9px/1 var(--mono);letter-spacing:1.6px;color:var(--ink-3);border:1px dashed var(--ink-3);padding:4px 6px;border-radius:2px}
.tool .txt{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px}
.tool .ttl{display:flex;align-items:center;gap:12px}
.tool .ttl img{width:34px;height:34px}
.tool .ttl h3{font:700 19px/1.2 var(--disp);letter-spacing:1px}
.tool .ttl small{display:block;font:500 11px/1.4 var(--jp);color:var(--c);letter-spacing:0;margin-top:2px}
.tool p{color:var(--ink-2);font-size:14px}
.tool ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:4px;font-size:13px;color:var(--ink-2)}
.tool li::before{content:"▸ ";color:var(--c)}

/* one panel */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.points{display:grid;gap:18px;margin-top:8px}
.point{display:flex;gap:14px}
.point .n{flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1px solid rgba(34,211,238,.4);display:grid;place-items:center;font:600 12px/1 var(--mono);color:var(--cyan)}
.point h3{font-size:16px;margin-bottom:4px}
.point p{font-size:14px;color:var(--ink-2)}

/* AI */
.chat{border:1px solid var(--rule);border-radius:8px;background:#060a12;overflow:hidden}
.chat .bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--rule);font:500 11px/1 var(--mono);color:var(--ink-3)}
.chat .bar i{width:9px;height:9px;border-radius:50%;background:#1f2a3b}
.chat .bar span{margin-left:8px}
.chat .log{padding:18px;display:flex;flex-direction:column;gap:12px;font-size:13px}
.msg{max-width:88%;padding:10px 14px;border-radius:8px;line-height:1.7}
.msg.you{align-self:flex-end;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3)}
.msg.ai{background:var(--page-2);border:1px solid var(--rule);color:var(--ink-2)}
.call{font:500 11px/1.6 var(--mono);color:var(--ink-3);display:flex;align-items:center;gap:8px}
.call b{color:var(--green);font-weight:600}
.call::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green)}
.ai-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:22px}
.ai-list span{font-size:13px;color:var(--ink-2);border:1px solid var(--rule);border-radius:4px;padding:8px 12px;background:var(--page-2)}
.ai-note{font-size:12px;color:var(--ink-3);margin-top:16px}

/* pricing */
.price-card{max-width:560px;margin:0 auto;border:1px solid rgba(34,211,238,.35);border-radius:10px;background:linear-gradient(180deg,#0c1626,#070b12);padding:36px 34px;box-shadow:0 0 80px -20px rgba(34,211,238,.35);position:relative}
.price-card .ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);white-space:nowrap}
.price-card h3{font:700 22px/1 var(--disp);letter-spacing:2px;text-align:center}
.price-card .sub{text-align:center;color:var(--ink-3);font-size:13px;margin-top:8px}
.price-big{display:flex;align-items:baseline;justify-content:center;gap:12px;margin:24px 0 6px;flex-wrap:wrap}
.price-big .now{font:700 54px/1 var(--disp);letter-spacing:1px}
.price-big .was{font:500 20px/1 var(--disp)}
.price-big .was-wrap small{font-size:12px}
.price-card .once{text-align:center;font-size:13px;color:var(--green);font-weight:700}
.countdown{display:flex;justify-content:center;gap:8px;margin:18px 0 4px}
.countdown div{min-width:62px;text-align:center;border:1px solid var(--rule);background:var(--page-2);border-radius:4px;padding:8px 6px}
.countdown b{display:block;font:700 22px/1 var(--disp)}
.countdown small{font:500 9px/1 var(--mono);letter-spacing:1.5px;color:var(--ink-3)}
.cd-label{text-align:center;font-size:12px;color:var(--warn)}
.incl{list-style:none;margin:26px 0;padding:22px 0;border-block:1px solid var(--rule);display:grid;gap:10px;font-size:14px}
.incl li{display:flex;gap:10px}
.incl li::before{content:"✓";color:var(--green);font-weight:700}
.price-card .btn{width:100%}
.promo-note{text-align:center;font-size:12px;color:var(--warn);margin-top:12px}
.promo-note b{font-family:var(--mono);letter-spacing:1px;border:1px dashed rgba(251,191,36,.5);padding:1px 6px;border-radius:3px}
.fine{text-align:center;font-size:12px;color:var(--ink-3);margin-top:14px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:56px}
@media (max-width:800px){.steps{grid-template-columns:1fr}}
.step{border:1px solid var(--rule);border-radius:6px;padding:20px;background:var(--page-2)}
.step .n{font:600 11px/1 var(--mono);letter-spacing:2px;color:var(--cyan)}
.step h3{font-size:16px;margin:10px 0 6px}
.step p{font-size:13px;color:var(--ink-2)}

/* specs */
.specs{width:100%;border-collapse:collapse;font-size:14px}
.specs th,.specs td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
.specs th{width:30%;color:var(--ink-3);font-weight:500;font-size:13px}

/* faq */
.faq{max-width:800px;margin:0 auto;display:grid;gap:10px}
.faq details{border:1px solid var(--rule);border-radius:6px;background:var(--page-2);padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;display:flex;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";font:700 13px/1 var(--mono);color:var(--cyan)}
.faq summary::after{content:"+";margin-left:auto;color:var(--ink-3);font:400 20px/1 var(--mono);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 18px 25px;color:var(--ink-2);font-size:14px}

/* final cta */
.final{text-align:center}
.final h2{font-size:clamp(26px,4vw,40px);margin-bottom:16px}
.final p{color:var(--ink-2);margin-bottom:30px}

/* footer */
footer{border-top:1px solid var(--rule);padding:36px 0 48px;font-size:13px;color:var(--ink-3)}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:18px;margin-left:auto}
footer a{color:var(--ink-2);text-decoration:none}
footer a:hover{color:var(--ink)}

/* doc pages (legal / thanks) */
.doc{max-width:820px;margin:0 auto;padding:56px 20px 88px}
.doc h1{font-size:30px;margin:12px 0 26px}
.doc h2{font-size:19px;margin:40px 0 12px;padding-top:20px;border-top:1px solid var(--rule)}
.doc p,.doc li{color:var(--ink-2);font-size:14px}
.doc p+p{margin-top:10px}
.doc ol,.doc ul{padding-left:1.4em}
.doc li{margin:4px 0}
.ph{color:var(--warn);background:rgba(251,191,36,.08);border:1px dashed rgba(251,191,36,.5);border-radius:3px;padding:0 5px}
.callout{border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.06);border-radius:6px;padding:18px 20px;margin:18px 0}
.callout.warn{border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.06)}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{animation:none!important}}