:root{
  --ink:#17324D;
  --ink-2:#24476A;
  --text:#1E2A33;
  --muted:#5B6B78;
  --paper:#FFFFFF;
  --mist:#F1F5F8;
  --line:#D9E1E8;
  --ask:#E3EEF7;
  --mark:#F6D365;
  --mark-deep:#E9B92E;
  --ok:#2E7D5B;
  --focus:#2F7FBF;
  --radius:18px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:"Zen Kaku Gothic New",system-ui,-apple-system,"Hiragino Sans","Yu Gothic",sans-serif;
  font-size:17px;line-height:1.85;letter-spacing:.02em;
}
a{color:var(--ink);text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
img,video{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.nw{display:inline-block}

/* header */
.site-head{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-weight:900;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:.04em;white-space:nowrap}
.logo span{display:inline-block;width:10px;height:10px;background:var(--mark);border-radius:2px;margin-right:8px;transform:translateY(-2px)}
.head-nav{display:flex;align-items:center;gap:22px;font-size:15px}
.head-nav a{text-decoration:none;color:var(--text)}
.head-nav a:hover{color:var(--ink);text-decoration:underline}
.head-nav .btn-sm{background:var(--ink);color:#fff;padding:8px 16px;border-radius:999px;font-weight:700;text-decoration:none}
.head-nav .btn-sm:hover{background:#0F2438;text-decoration:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;background:var(--mark);color:#2A2200;text-decoration:none;font-weight:900;padding:0 30px;border-radius:999px;font-size:17px;border:0;cursor:pointer}
.btn:hover{background:var(--mark-deep)}
.btn.ghost{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* hero */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,#fff 0%,var(--mist) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.who{display:inline-block;font-size:14px;font-weight:700;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 14px;margin:0 0 18px}
.hero h1{font-size:44px;line-height:1.35;margin:0 0 20px;color:var(--ink);font-weight:900;letter-spacing:.01em}
.hero p.lead{font-size:18px;margin:0 0 28px;max-width:31em}
.points{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:8px}
.points li{display:flex;gap:10px;align-items:flex-start;font-weight:700}
.points svg{flex:0 0 22px;margin-top:6px;color:var(--ok)}
.hero .note{font-size:14px;color:var(--muted);margin:14px 0 0}

/* phone */
.phone{position:relative;width:min(300px,78vw);margin:0 auto;background:#0E1A26;border-radius:38px;padding:10px;box-shadow:0 30px 60px -20px rgba(23,50,77,.45)}
.phone video{width:100%;aspect-ratio:9/16;height:auto;object-fit:cover;border-radius:29px;background:#fff}
.phone-cap{text-align:center;font-size:13px;color:var(--muted);margin-top:14px}

/* sections */
section{padding:84px 0}
section.alt{background:var(--mist)}
.eyebrow{font-size:14px;font-weight:700;color:var(--ink-2);margin:0 0 6px}
h2{text-wrap:balance;font-size:32px;line-height:1.45;color:var(--ink);margin:0 0 14px;font-weight:900}
.sec-lead{color:var(--muted);margin:0 0 36px;max-width:38em}

/* pains */
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pain{background:#fff;border-radius:var(--radius);padding:24px 22px;border:1px solid var(--line)}
.pain .time{display:inline-block;background:var(--mark);color:#3A2E00;font-weight:900;border-radius:6px;padding:0 8px;font-variant-numeric:tabular-nums;font-size:15px}
.pain h3{text-wrap:pretty;font-size:18px;color:var(--ink);margin:12px 0 6px;line-height:1.5}
.pain p{margin:0;color:var(--muted);font-size:15px}
.arrow-note{text-align:center;margin:34px auto 0;font-weight:900;color:var(--ink);font-size:20px}
.arrow-note span{background:linear-gradient(transparent 62%,var(--mark) 62%)}

/* demo tabs */
.demo{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.demo .panel{padding-top:24px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 26px}
.tab{appearance:none;border:2px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:700;font-size:15px;padding:8px 18px;border-radius:999px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.panel h3{font-size:24px;color:var(--ink);margin:0 0 10px}
.panel p{margin:0 0 18px}
.flow{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:f}
.flow li{counter-increment:f;display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start}
.flow li::before{content:counter(f);width:32px;height:32px;border-radius:50%;background:var(--mist);border:2px solid var(--ink);color:var(--ink);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:15px;margin-top:2px}
.panel[hidden]{display:none}

/* compare */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.compare{width:100%;border-collapse:collapse;min-width:620px}
.compare th,.compare td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:16px}
.compare thead th{background:#FAFCFD;color:var(--ink);font-size:15px}
.compare thead th.us{background:var(--ink);color:#fff}
.compare td.us{background:#FFF9E6;font-weight:700}
.compare tr:last-child td,.compare tr:last-child th{border-bottom:0}
.compare tbody th{color:var(--ink);width:24%}
.src{font-size:13px;color:var(--muted);margin-top:10px}

/* price */
.price-card{background:#fff;border:2px solid var(--ink);border-radius:24px;padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.price-main .label{font-weight:700;color:var(--ink)}
.price-main .amount{font-size:48px;white-space:nowrap;font-weight:900;color:var(--ink);line-height:1.2}
.price-main .amount small{font-size:17px;font-weight:700;margin-left:4px;white-space:nowrap}
.price-main .free{display:inline-block;margin-top:10px;background:var(--mark);font-weight:900;padding:2px 12px;border-radius:6px;color:#3A2E00}
.price-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.price-list li{display:flex;gap:10px}
.price-list svg{flex:0 0 20px;margin-top:6px;color:var(--ok)}
.price-note{font-size:14px;color:var(--muted);margin-top:16px}

/* steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;position:relative}
.steps li::before{content:counter(s);width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.steps h3{margin:0 0 6px;font-size:17px;color:var(--ink);line-height:1.5}
.steps p{margin:0;font-size:14px;color:var(--muted);line-height:1.7}

/* faq */
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:2px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:16px 30px 16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";position:absolute;right:0;top:16px;color:var(--muted)}
.faq details[open] summary::after{content:"－"}
.faq details p{margin:0 0 18px}

/* about */
.about-card{display:grid;grid-template-columns:1fr 1.4fr;gap:32px;align-items:start}
.about-card p{margin:0 0 12px}
.about dl{display:grid;grid-template-columns:120px 1fr;gap:10px 20px;margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.about dt{color:var(--muted)}
.about dd{margin:0}

/* contact */
.contact .box{background:var(--ink);color:#fff;border-radius:28px;padding:48px 44px;display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center}
.contact h2{color:#fff}
.contact p{margin:0;color:#DCE6EF}
.contact .mail{display:block;margin-top:12px;color:#C9D7E4;font-size:15px}
.contact .tpl{background:rgba(255,255,255,.08);border-radius:14px;padding:16px 18px;font-size:14px;color:#DCE6EF;margin-top:18px}

/* sticky mobile cta */
.sticky-cta{display:none}

footer{padding:32px 0 48px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted)}

/* legal pages */
.legal{padding:48px 0 72px}
.legal h1{font-size:30px;color:var(--ink);margin:0 0 8px}
.legal .date{color:var(--muted);font-size:14px;margin:0 0 32px}
.legal h2{font-size:20px;margin:36px 0 10px}
.legal table{width:100%;border-collapse:collapse;font-size:16px}
.legal th,.legal td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.legal th{background:var(--mist);width:30%;color:var(--ink)}
.legal ol,.legal ul{padding-left:1.4em}
.head-cta{font-size:15px;font-weight:700}

@media (max-width:960px){
  .steps{grid-template-columns:1fr 1fr}
  .head-nav .hide-sm{display:none}
}
@media (max-width:820px){
  body{font-size:16px}
  .hero{padding:36px 0 48px}
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:30px}
  section{padding:60px 0}
  h2{font-size:25px}
  .pains{grid-template-columns:1fr}
  .demo{grid-template-columns:1fr;gap:28px}
  .demo .phone{order:2}
  .price-card{grid-template-columns:1fr;padding:26px 22px;gap:20px}
  .price-main .amount{font-size:42px}
  .steps{grid-template-columns:1fr}
  .about-card{grid-template-columns:1fr}
  .about dl{grid-template-columns:1fr;gap:2px}
  .about dd{margin-bottom:10px}
  .contact .box{grid-template-columns:1fr;padding:32px 22px}
  .legal th,.legal td{display:block;width:100%}
  .legal th{border-bottom:0}
  .sticky-cta{display:flex;transform:translateY(110%);transition:transform .25s;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);gap:10px}
  .sticky-cta .btn{flex:1;min-height:52px;padding:0 12px;font-size:16px}
  body.has-sticky{padding-bottom:84px}
}

.sticky-cta.show{transform:none}
@media (prefers-reduced-motion:reduce){.sticky-cta{transition:none}}
@media (max-width:820px){
  .compare{min-width:0}
  .compare thead{display:none}
  .compare,.compare tbody,.compare tr,.compare th,.compare td{display:block;width:100%}
  .compare tr{border-bottom:1px solid var(--line);padding:14px 16px}
  .compare tr:last-child{border-bottom:0}
  .compare tbody th{width:auto;padding:0 0 8px;border:0;font-size:16px}
  .compare td{display:grid;grid-template-columns:7.5em 1fr;gap:10px;padding:8px 10px;border:0;font-size:15px;border-radius:8px}
  .compare td::before{content:attr(data-label);color:var(--sub,#5B6B7B);font-size:13px;font-weight:700}
  .compare td.us{margin-top:4px}
  .arrow-note{font-size:17px}
}