:root{
  --bg:#fff8ec;--bg2:#fffdf8;--fg:#2b2420;--muted:#6b5d52;--dim:#9a8a7c;
  --line:rgba(43,36,32,.10);--glass:rgba(255,255,255,.65);--glass2:rgba(255,255,255,.92);
  --a1:#ffb81c;--a2:#ff8a5c;--a3:#ff6f91;--mint:#10b981;
  --grad:linear-gradient(110deg,var(--a1),var(--a2) 55%,var(--a3));
  --radius:18px;
  --font:"Inter","Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font:16px/1.8 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* nav */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(255,248,236,.78);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;height:64px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.02em}
.logo i{width:22px;height:22px;border-radius:7px;background:var(--grad);box-shadow:0 0 18px rgba(255,138,92,.45)}
nav .links{display:flex;gap:24px;margin-left:auto;font-size:14px;color:var(--muted)}
nav .links a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px -8px rgba(255,138,92,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(255,111,145,.55)}
.btn-ghost{border:1px solid var(--line);background:var(--glass)}
.btn-ghost:hover{background:var(--glass2)}
nav .btn{padding:9px 18px;font-size:14px}

/* hero */
.hero{position:relative;padding:96px 0 120px;overflow:hidden}
.aurora{position:absolute;inset:-20% -10% auto;height:900px;pointer-events:none;z-index:0;filter:blur(80px);opacity:.55}
.aurora span{position:absolute;border-radius:50%;animation:float 18s ease-in-out infinite alternate}
.aurora span:nth-child(1){width:520px;height:520px;left:5%;top:10%;background:var(--a1)}
.aurora span:nth-child(2){width:460px;height:460px;right:8%;top:0;background:var(--a2);animation-delay:-6s}
.aurora span:nth-child(3){width:380px;height:380px;left:40%;top:35%;background:#9eeacb;opacity:.7;animation-delay:-12s}
@keyframes float{to{transform:translate(60px,40px) scale(1.15)}}
.gridbg{position:absolute;inset:0;z-index:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 30%,transparent 75%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border:1px solid var(--line);border-radius:999px;background:var(--glass);font-size:13px;color:var(--muted);margin-bottom:28px}
.pill b{background:var(--grad);color:#fff;border-radius:999px;padding:2px 10px;font-size:12px}
.hero .wrap>*{min-width:0}
h1{font-size:clamp(28px,7.6vw,52px);line-height:1.22;font-weight:900;letter-spacing:-.01em;margin-bottom:24px}
h1 span.l{display:block;white-space:nowrap}
.url{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.sub{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:34em;margin-bottom:36px}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.trust{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.trust span::before{content:"✓ ";color:var(--mint)}

/* demo */
.demo{position:relative;border-radius:22px;padding:1px;background:linear-gradient(140deg,rgba(255,184,28,.8),rgba(255,138,92,.35) 40%,rgba(255,255,255,.4) 70%,rgba(16,185,129,.5))}
.demo::before{content:"";position:absolute;inset:-30px;z-index:-1;background:radial-gradient(closest-side,rgba(255,184,28,.3),transparent);filter:blur(20px)}
.win{background:rgba(255,255,255,.94);border-radius:21px;overflow:hidden;min-height:440px;display:flex;flex-direction:column}
.bar{display:flex;align-items:center;gap:7px;padding:14px 16px;border-bottom:1px solid var(--line);font:500 12px var(--font);color:var(--dim)}
.bar i{width:10px;height:10px;border-radius:50%;background:#e8e0d6}
.bar i:nth-child(1){background:#ff5f57}.bar i:nth-child(2){background:#febc2e}.bar i:nth-child(3){background:#28c840}
.bar em{margin-left:10px;font-style:normal}
.steps{display:flex;gap:6px;padding:14px 16px 0;flex-wrap:wrap}
.step{font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--dim);transition:all .3s}
.step.on{color:#fff;background:var(--grad);border-color:transparent;font-weight:700}
.step.done{color:var(--mint);border-color:rgba(16,185,129,.35)}
.stage{padding:18px 18px 22px;flex:1;font-size:14px;position:relative}
.url{display:flex;align-items:center;gap:10px;font:500 13px var(--font);color:var(--muted);background:var(--glass);border:1px solid var(--line);border-radius:10px;padding:9px 12px}
.progress{height:3px;border-radius:3px;background:var(--line);margin:12px 0 16px;overflow:hidden}
.progress div{height:100%;width:0;background:var(--grad);transition:width 1.6s ease}
.facts{list-style:none;padding:0;display:grid;gap:8px}
.facts li{opacity:0;transform:translateY(6px);transition:all .4s;display:flex;gap:10px;align-items:flex-start;background:var(--glass);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:13px}
.facts li.show{opacity:1;transform:none}
.facts li b{color:var(--a2);font-weight:600;white-space:nowrap}
.mail{background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:14px 14px 16px}
.mail .subj{font-weight:700;margin-bottom:8px;min-height:1.6em}
.mail .body{color:#4a3f37;font-size:13px;line-height:1.85;min-height:9em;white-space:pre-wrap}
.caret{display:inline-block;width:7px;height:1.05em;vertical-align:-2px;background:var(--a2);animation:blink 1s steps(1) infinite;margin-left:1px}
@keyframes blink{50%{opacity:0}}
.review{display:flex;align-items:center;gap:10px;margin-top:14px}
.review .who{font-size:12px;color:var(--muted);margin-right:auto}
.chip{font-size:12px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.chip.ok{background:var(--mint);color:#fff;border-color:transparent;font-weight:700;transition:transform .2s}
.chip.ok.press{transform:scale(.92)}
.sent{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .4s;text-align:center;padding:20px}
.sent.show{opacity:1}
.sent .check{width:64px;height:64px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:30px;color:#fff;box-shadow:0 0 40px rgba(255,138,92,.45)}
.sent small{color:var(--muted);font-size:13px}

/* sections */
section{padding:110px 0;position:relative}
.eyebrow{font:600 13px var(--font);letter-spacing:.18em;text-transform:uppercase;color:var(--a2);margin-bottom:14px}
h2{font-size:clamp(28px,3.6vw,44px);line-height:1.3;font-weight:900;margin-bottom:18px}
.lede{color:var(--muted);max-width:40em;margin-bottom:56px;font-size:17px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.loop::before{content:"";position:absolute;top:38px;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--a1),var(--a2),var(--a3),transparent);opacity:.6}
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;transition:border-color .3s,transform .3s,background .3s}
.card:hover{border-color:rgba(255,138,92,.45);transform:translateY(-4px);background:var(--glass2)}
.num{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font:800 18px var(--font);background:var(--bg2);border:1px solid var(--line);margin-bottom:18px;position:relative}
.num::after{content:"";position:absolute;inset:-1px;border-radius:14px;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}
.card .who{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;padding:3px 9px;border-radius:999px;margin-bottom:10px;background:rgba(255,184,28,.2);color:#9a5a00}
.card .who.human{background:rgba(16,185,129,.14);color:#047857}

.compare{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--glass)}
.compare table{width:100%;border-collapse:collapse;font-size:15px}
.compare th,.compare td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare tr:last-child td{border-bottom:0}
.compare thead th{font-size:13px;color:var(--dim);font-weight:600}
.compare td:first-child{color:var(--fg);font-weight:700;width:22%}
.compare td{color:var(--muted)}
.compare .us{background:linear-gradient(180deg,rgba(255,184,28,.14),rgba(255,111,145,.08));color:var(--fg)}
.compare thead .us{color:var(--a2)}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(255,184,28,.28),rgba(255,138,92,.16));border:1px solid var(--line);margin-bottom:16px}
.icon svg{width:22px;height:22px;stroke:var(--a2);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

.pricing{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.price-card{position:relative;border-radius:24px;padding:1px;background:var(--grad)}
.price-card>div{background:var(--bg2);border-radius:23px;padding:38px}
.price-card::before{content:"";position:absolute;inset:10%;z-index:-1;background:var(--grad);filter:blur(60px);opacity:.35}
.price{font:800 clamp(44px,6vw,64px)/1 var(--font);margin:14px 0 6px}
.price small{font-size:16px;font-weight:500;color:var(--muted);margin-left:6px}
.includes{list-style:none;padding:0;margin:26px 0 30px;display:grid;gap:10px;color:#4a3f37;font-size:15px}
.includes li::before{content:"✓";color:var(--mint);font-weight:800;margin-right:10px}

.public{display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:36px;border-radius:var(--radius);border:1px dashed rgba(255,138,92,.45);background:radial-gradient(ellipse at top left,rgba(255,184,28,.14),transparent 60%),var(--glass)}
.public h3{font-size:22px;margin-bottom:6px}
.public p{color:var(--muted);max-width:40em}

.faq{max-width:820px}
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--a2);font-size:22px;line-height:1;transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin-top:12px}

.final{text-align:center;padding:120px 0;overflow:hidden}
.final .aurora{top:10%;height:600px;opacity:.35}
.final h2{position:relative}
.final p{position:relative;color:var(--muted);margin-bottom:34px}
.final .btn{position:relative}

.legal{font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding:56px 0}
.legal h2{font-size:18px;margin-bottom:18px}
.legal table{width:100%;max-width:820px;border-collapse:collapse}
.legal th,.legal td{text-align:left;padding:10px 0;border-bottom:1px solid var(--line);vertical-align:top}
.legal th{width:30%;font-weight:500;color:var(--dim)}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--dim);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr}
  .hero{padding:64px 0 90px}
  .loop{grid-template-columns:1fr 1fr}.loop::before{display:none}
  .features{grid-template-columns:1fr 1fr}
  .pricing{grid-template-columns:1fr}
  nav .links{display:none}
  nav .btn{margin-left:auto}
}
@media (max-width:620px){
  .wrap{padding:0 16px}
  nav .wrap{gap:12px}
  .pill{font-size:12px}
  section{padding:80px 0}
  .loop,.features{grid-template-columns:1fr}
  .compare{overflow-x:auto}
  .compare table{min-width:620px}
  .price-card>div{padding:28px}
  .win{min-height:470px}
}
@media (prefers-reduced-motion:reduce){
  .aurora span{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

.card{background:var(--glass);box-shadow:0 1px 2px rgba(43,36,32,.04)}
.price-card>div{background:#fff}
.aurora{opacity:.5}