:root{
  --red:#C8102E; --red-deep:#9E0B22; --red-tint:#FBECEF;
  --ink:#000; --body:#2B2B2B; --mute:#6B6664; --line:#E4DEDA; --paper:#FAF7F5; --white:#fff;
  --serif:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--sans);color:var(--body);background:var(--white);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit}
img,video{max-width:100%;display:block}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.35;margin:0;font-weight:800;letter-spacing:.01em}
h2{font-size:clamp(26px,3.4vw,38px)}
h3{font-size:20px;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section.paper{background:var(--paper)}
.lead{font-size:18px;max-width:38em}
.rule{width:56px;height:6px;background:var(--red);margin:0 0 28px}
.small{font-size:13px;color:var(--mute)}
.btn{display:inline-block;padding:14px 26px;border-radius:4px;font-weight:700;text-decoration:none;font-size:16px;border:2px solid var(--red);line-height:1.4;font-family:inherit;cursor:pointer}
.btn.primary{background:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-deep);border-color:var(--red-deep)}
.btn.ghost{background:#fff;color:var(--red)}
.btn.ghost:hover{background:var(--red-tint)}
.btn:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #000;outline-offset:3px}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:3px;vertical-align:middle;margin-left:6px;white-space:nowrap}
.tag.live{background:var(--red);color:#fff}
.tag.dev{background:#fff;color:var(--mute);border:1px solid var(--line)}

/* header */
header{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:20}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo img{height:34px;width:auto}
nav{display:flex;gap:16px;font-size:13px;font-weight:500;flex-wrap:nowrap}
nav a{text-decoration:none;color:var(--body);white-space:nowrap}
nav a:hover,nav a[aria-current]{color:var(--red)}
.hdr-cta{font-size:13px;padding:9px 14px;white-space:nowrap}
@media (max-width:1180px){nav{display:none}}

/* hero */
.hero{padding:64px 0 56px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.3}
.hero .sub{font-size:18px;margin:26px 0 30px;max-width:30em}
.hero .live-line{font-size:14px;color:var(--mute);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--red);display:inline-block}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{margin-top:16px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:40px}}

/* concierge demo */
.kc{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 20px 50px rgba(200,16,46,.08)}
.kc-head{background:var(--red);color:#fff;padding:12px 16px;font-weight:700;display:flex;justify-content:space-between;align-items:center;font-size:15px}
.kc-head span{font-size:12px;font-weight:500;opacity:.9}
.kc-body{padding:18px 16px;min-height:290px;background:var(--paper)}
.msg{max-width:88%;padding:11px 14px;border-radius:12px;margin-bottom:12px;font-size:15px;line-height:1.7;white-space:pre-line}
.msg.user{background:#fff;border:1px solid var(--line);margin-left:auto;border-bottom-right-radius:3px}
.msg.ai{background:#fff;border-left:4px solid var(--red);border-bottom-left-radius:3px}
.msg .src{display:block;font-size:12px;color:var(--mute);margin-top:6px}
.msg .act{display:inline-block;margin-top:8px;font-size:13px;font-weight:700;color:var(--red);border:1px solid var(--red);border-radius:3px;padding:3px 10px}
.kc-foot{padding:12px 16px;border-top:1px solid var(--line);background:#fff}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 12px;font-size:13px;cursor:pointer;font-family:inherit}
.chip:hover{border-color:var(--red);color:var(--red)}
.chip[aria-pressed="true"]{background:var(--red);color:#fff;border-color:var(--red)}
.speak{width:100%;padding:11px 14px;border-radius:4px;border:2px solid var(--red);background:var(--red);color:#fff;font-weight:700;cursor:pointer;font-family:inherit;font-size:15px}
.speak:hover{background:var(--red-deep)}
.speak[disabled]{opacity:.5;cursor:default}
.kc-foot .small{margin-top:8px}

/* story / video */
.story .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.story video{width:100%;border:1px solid var(--line);background:#000;aspect-ratio:16/9}
.story .links{margin-top:14px;display:flex;gap:16px;flex-wrap:wrap;font-size:14px}
@media (max-width:900px){.story .wrap{grid-template-columns:1fr}}

/* problem */
.problems{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.problems div{border-top:2px solid var(--ink);padding-top:14px}
.problems h3{font-size:18px;margin-bottom:6px}
.problems p{font-size:14px;margin:0}
.stat-line{margin-top:28px;font-size:14px;color:var(--mute)}
@media (max-width:900px){.problems{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.problems{grid-template-columns:1fr}}

/* day timeline */
.day{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;margin-top:40px}
.step{position:relative;padding:0 0 40px 40px;border-left:2px solid var(--line)}
.step:last-child{padding-bottom:0}
.step::before{content:attr(data-t);position:absolute;left:-2px;top:0;transform:translateX(-100%);padding-right:14px;font-family:var(--serif);font-weight:800;font-size:15px;color:var(--red);white-space:nowrap}
.step::after{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--red);border:2px solid #fff;box-shadow:0 0 0 2px var(--red)}
.step h3{margin-bottom:6px}
.step p{margin-bottom:.4em}
.step .q{font-family:var(--serif);font-weight:700;color:var(--ink);font-size:17px}
.step .a{background:var(--paper);border-left:3px solid var(--red);padding:10px 14px;font-size:14px;margin:8px 0 6px}
.day-col{padding-left:64px}
@media (max-width:900px){.day{grid-template-columns:1fr}}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px}
.pillar{border-top:6px solid var(--red);padding-top:22px}
.pillar h3{font-size:22px;margin-bottom:12px}
.pillar ul{padding-left:1.2em;margin:12px 0}
.pillar li{margin-bottom:6px}
.pillar .kicker{font-size:14px;color:var(--mute);margin-bottom:4px}
@media (max-width:900px){.pillars{grid-template-columns:1fr}}

/* screens */
.screens{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:40px}
.screens figure{margin:0}
.screens img{border:1px solid var(--line);width:100%}
.screens figcaption{font-size:14px;margin-top:10px}
.screens figcaption b{color:var(--ink)}
@media (max-width:700px){.screens{grid-template-columns:1fr}}

/* feature list */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:28px 56px;margin-top:40px}
.feat dl{margin:0;border-top:1px solid var(--line)}
.feat dt{font-weight:700;color:var(--ink);padding:16px 0 4px;font-size:17px}
.feat dd{margin:0 0 16px;font-size:15px}
@media (max-width:900px){.feat{grid-template-columns:1fr}}

/* feature detail (features.html) */
.fdetail{display:grid;grid-template-columns:1fr 1fr;gap:40px 56px;margin-top:40px}
.fdetail article{border-top:2px solid var(--ink);padding-top:16px}
.fdetail h3{font-size:20px;margin-bottom:8px}
.fdetail p{font-size:15px}
.fdetail ul{padding-left:1.2em;margin:8px 0 0;font-size:14px}
.fdetail li{margin-bottom:4px}
@media (max-width:900px){.fdetail{grid-template-columns:1fr}}

/* reasons */
.reasons{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:40px;counter-reset:r}
.reasons div{counter-increment:r;border-top:2px solid var(--ink);padding-top:14px}
.reasons div::before{content:counter(r);font-family:var(--serif);font-weight:800;font-size:28px;color:var(--red);display:block;line-height:1;margin-bottom:8px}
.reasons h3{font-size:17px;margin-bottom:6px}
.reasons p{font-size:14px;margin:0}
@media (max-width:1000px){.reasons{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.reasons{grid-template-columns:1fr}}

/* founder / topic */
.topic{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.founder{background:var(--paper);padding:28px;border-left:6px solid var(--red)}
.founder .who{font-weight:700;color:var(--ink);margin-top:14px}
@media (max-width:900px){.topic{grid-template-columns:1fr}}

/* compare */
.cmp-wrap{overflow-x:auto;margin-top:36px;border:1px solid var(--line)}
table.cmp{border-collapse:collapse;width:100%;min-width:820px;font-size:14px;background:#fff}
.cmp th,.cmp td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:center;vertical-align:middle}
.cmp th{background:var(--paper);font-weight:700;color:var(--ink)}
.cmp td:first-child,.cmp th:first-child{text-align:left;min-width:220px}
.cmp th.us{background:var(--red);color:#fff}
.cmp td.us{background:var(--red-tint);font-weight:700;color:var(--red-deep)}
.cmp tr.group td{background:#fff;font-weight:700;color:var(--ink);text-align:left;border-top:2px solid var(--ink);padding-top:14px}
.cmp .sub{display:block;font-weight:400;font-size:12px;color:var(--mute)}
.legend{font-size:13px;color:var(--mute);margin-top:12px}

/* case */
.case{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-top:40px}
.nums{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.num{border-top:2px solid var(--ink);padding-top:12px}
.num b{font-family:var(--serif);font-size:34px;color:var(--ink);display:block;line-height:1.1}
.num span{font-size:13px;color:var(--mute)}
.quote{font-family:var(--serif);font-size:19px;line-height:1.9;color:var(--ink);border-left:6px solid var(--red);padding-left:22px}
@media (max-width:900px){.case{grid-template-columns:1fr}}

/* price */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.plan{border:1px solid var(--line);padding:28px 26px;background:#fff}
.plan.hi{border:2px solid var(--red)}
.plan h3{font-size:22px}
.plan .price{font-family:var(--serif);font-size:38px;color:var(--ink);margin:10px 0 2px;line-height:1}
.plan .price small{font-size:15px;font-family:var(--sans);color:var(--mute)}
.plan .min{font-size:13px;color:var(--mute);margin-bottom:16px}
.plan ul{padding-left:1.2em;margin:0 0 20px}
.plan li{margin-bottom:6px;font-size:15px}
.plan .btn{width:100%;text-align:center}
.extras{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.extras div{border-top:2px solid var(--ink);padding-top:14px;font-size:15px}
.monitor{margin-top:32px;background:var(--red);color:#fff;padding:26px 28px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.monitor h3{color:#fff;font-size:22px;margin-bottom:6px}
.monitor p{margin:0;opacity:.95}
.monitor .btn.ghost{background:#fff;border-color:#fff}
.pdf-link{margin-top:28px;font-size:15px}
@media (max-width:900px){.plans,.extras{grid-template-columns:1fr}}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:40px;counter-reset:f}
.flow div{counter-increment:f;border-top:2px solid var(--ink);padding-top:14px}
.flow div::before{content:counter(f);font-family:var(--serif);font-weight:800;font-size:28px;color:var(--red);display:block;line-height:1;margin-bottom:8px}
.flow h3{font-size:18px;margin-bottom:6px}
.flow p{font-size:14px;margin:0}
@media (max-width:900px){.flow{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.flow{grid-template-columns:1fr}}

/* page hero (subpages) */
.page-hero{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(30px,4vw,44px)}

/* cta / footer */
.final{background:var(--ink);color:#fff;padding:96px 0;text-align:center}
.final h2{color:#fff;font-size:clamp(28px,3.6vw,42px)}
.final p{margin:18px auto 30px;max-width:34em;opacity:.9}
.final .btn.ghost{background:#fff;border-color:#fff}
footer{padding:44px 0;font-size:13px;color:#ddd;background:#1a1a1a}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{text-decoration:none;color:#fff}
footer img{height:30px;width:auto;margin-bottom:12px}
footer .fl{display:flex;flex-direction:column;gap:6px}
footer .legal{max-width:52em;color:#aaa}

/* ===== v3 additions ===== */
.hero-logo{height:44px;width:auto;margin-bottom:22px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--red);margin-bottom:14px;text-transform:uppercase}
.demo-tabs{display:flex;gap:6px;margin-bottom:10px}
.demo-tabs button{font-family:inherit;font-size:13px;font-weight:700;padding:8px 14px;border:1px solid var(--line);background:#fff;border-radius:6px 6px 0 0;cursor:pointer;color:var(--mute)}
.demo-tabs button[aria-selected="true"]{background:var(--red);color:#fff;border-color:var(--red)}
.mock{border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 20px 50px rgba(200,16,46,.08);overflow:hidden}
.mock .mbar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--paper);font-size:12px;color:var(--mute)}
.mock .mbar i{width:10px;height:10px;border-radius:50%;background:#ddd;display:inline-block}
.mock .mbar .url{margin-left:8px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:2px 10px;flex:1}
.mock .live{color:var(--red);font-weight:700}
.mock .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:14px}
.mock .stats div{border:1px solid var(--line);border-radius:6px;padding:10px 12px}
.mock .stats b{display:block;font-family:var(--serif);font-size:24px;color:var(--ink);line-height:1.1}
.mock .stats span{font-size:11px;color:var(--mute)}
.mock .kc-head{border-radius:0}
/* rules bot widget */
.rb{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-top:40px}
.rb ol{list-style:none;padding:0;margin:0;counter-reset:rb}
.rb ol li{counter-increment:rb;border-top:2px solid var(--ink);padding:14px 0 18px}
.rb ol li::before{content:counter(rb);font-family:var(--serif);font-weight:800;font-size:26px;color:var(--red);display:block;line-height:1;margin-bottom:6px}
.rb ol b{display:block;color:var(--ink);margin-bottom:4px}
.rb ol p{font-size:14px;margin:0}
.rbw{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.rbw .head{background:var(--ink);color:#fff;padding:10px 16px;font-size:13px;font-weight:700}
.rbw .body{padding:16px;background:var(--paper);min-height:250px}
.rbw .pdf{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-top:10px;font-size:13px}
.rbw .pdf .ic{width:34px;height:42px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;border-radius:3px}
.rbw .pdf b{display:block;color:var(--ink)}
.rbw .pdf small{color:var(--mute)}
.rbw .pdf .o{margin-left:auto;font-weight:700;color:var(--red);white-space:nowrap}
.rbw .foot{padding:12px 16px;border-top:1px solid var(--line)}
.rbw .fake{border:1px solid var(--line);border-radius:6px;padding:10px 12px;font-size:13px;color:var(--mute);display:flex;justify-content:space-between}
@media (max-width:900px){.rb{grid-template-columns:1fr}}
/* diagnosis */
.diag{max-width:720px;margin:40px auto 0;border:1px solid var(--line);border-radius:10px;background:#fff;padding:28px}
.diag .prog{height:6px;background:var(--line);border-radius:3px;margin-bottom:22px;overflow:hidden}
.diag .prog i{display:block;height:100%;background:var(--red);width:0;transition:width .25s}
.diag .qn{font-size:13px;color:var(--mute);margin-bottom:6px}
.diag .qt{font-family:var(--serif);font-size:22px;color:var(--ink);font-weight:700;line-height:1.5;margin-bottom:20px;min-height:66px}
.diag .opts{display:flex;gap:10px;flex-wrap:wrap}
.diag .opts button{font-family:inherit;font-size:15px;font-weight:700;padding:12px 20px;border:2px solid var(--ink);background:#fff;border-radius:6px;cursor:pointer;flex:1;min-width:120px}
.diag .opts button:hover{background:var(--red-tint);border-color:var(--red);color:var(--red)}
.diag .res{display:none}
.diag .res .lvl{font-family:var(--serif);font-size:30px;font-weight:800;margin:6px 0 10px}
.diag .res .lvl.hi{color:var(--red)}.diag .res .lvl.mid{color:#B07000}.diag .res .lvl.lo{color:#1F6B45}
.diag .res .meter{height:14px;border-radius:7px;background:linear-gradient(90deg,#1F6B45,#E0A800,#C8102E);position:relative;margin:10px 0 18px}
.diag .res .meter i{position:absolute;top:-6px;width:26px;height:26px;border-radius:50%;background:#fff;border:4px solid var(--ink);transform:translateX(-50%)}
.diag .res ul{padding-left:1.2em;font-size:15px}
.diag .restart{font-size:13px;color:var(--mute);background:none;border:none;text-decoration:underline;cursor:pointer;font-family:inherit;margin-top:12px}
.diag .note{font-size:12px;color:var(--mute);margin-top:18px}
/* about grid */
.about{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 40px;margin-top:40px}
.about div{border-top:2px solid var(--ink);padding-top:14px}
.about h3{font-size:18px;margin-bottom:6px}
.about p{font-size:14px;margin:0}
@media (max-width:900px){.about{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.about{grid-template-columns:1fr}}
.arrow{text-align:center;font-size:28px;color:var(--red);padding:20px 0}