:root{
  --bg:#faf8f4;--bg2:#f5f0e8;--paper:#fffdf9;--ink:#191919;--muted:#66625c;--line:#dcd5ca;
  --accent:#b97828;--accent2:#c9904d;--soft:#eee6da;--shadow:0 20px 55px rgba(41,33,22,.08);
  --radius:22px;--container:1180px;
}
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.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.22s}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn{transition:none}}
@media (max-width:980px){.nav>a:not(.btn){display:none}.brand-tagline,.brand-divider{display:none}.hero-grid,.benefit-layout,.pricing-layout,.compatible-layout,.human-grid,.faq-layout,.contact-grid,.future-layout{grid-template-columns:1fr;gap:46px}.hero{min-height:auto}.hero-visual{max-width:700px;width:100%;margin-inline:auto}.architecture{grid-template-columns:1fr;gap:18px}.arch-arrow{transform:rotate(90deg)}.match-steps{grid-template-columns:1fr;gap:18px}.match-arrow{transform:rotate(90deg)}.demo-grid{grid-template-columns:1fr}.ba-grid{grid-template-columns:1fr;gap:20px}.ba-arrow{transform:rotate(90deg)}.roadmap{grid-template-columns:1fr 1fr}.roadmap article:nth-child(2){border-right:0}.roadmap article:nth-child(2):after{display:none}.fit-grid{grid-template-columns:1fr}.price-cards{max-width:720px}.section-head.horizontal{align-items:flex-start;flex-direction:column;gap:8px}.faq-layout .section-head{position:static}.pc-only{display:none}}
@media (max-width:680px){.container{width:min(100% - 30px,var(--container))}.section-pad{padding:76px 0}.header-inner{height:68px}.brand-name{font-size:14px}.brand-mark{font-size:28px}.nav{display:none;position:fixed;inset:68px 0 auto 0;background:var(--bg);padding:22px 24px 28px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.menu-open .nav{display:flex}.nav>a:not(.btn){display:block;padding:8px 0}.menu-btn{display:block}.hero{padding-top:58px}.hero-grid{gap:42px}h1{font-size:clamp(37px,11.5vw,44px)}h2,.contact-copy h2{font-size:clamp(32px,9.5vw,44px)}.hero-lead{font-size:15px}.hero-actions{align-items:flex-start;flex-direction:column;gap:10px}.hero-visual{min-height:0;padding:68px 18px 26px;display:flex;flex-direction:column;gap:34px;border-radius:22px}.hero-visual:before{width:230px;height:230px}.input-stack,.output-stack{width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mini-card{min-width:0;padding:12px 10px;display:flex;gap:9px;text-align:left}.mini-card>div{min-width:0}.mini-card .icon-circle{margin:0;width:31px;height:31px;flex-basis:31px}.icon-circle svg{width:17px;height:17px}.mini-card strong{font-size:12px;line-height:1.45;white-space:nowrap}.mini-card small{display:block;font-size:8px;line-height:1.45;letter-spacing:0;white-space:nowrap}.flow-line{display:none}.ai-core{position:relative;width:128px;flex:0 0 128px;padding:14px}.ai-core:before,.ai-core:after{content:"";position:absolute;left:50%;width:1px;height:26px;background:#b7aea2}.ai-core:before{top:-26px}.ai-core:after{bottom:-26px}.ai-core strong{font-size:13px}.ai-core small{display:block;font-size:7px}.diagram-note{position:static;transform:none;margin-top:0;font-size:15px}.statement-row{font-size:16px}.statement-row strong{font-size:20px}.problem-grid{grid-template-columns:1fr}.problem-card{padding:31px 4px}.problem-card:nth-child(odd){border-right:0}.big-takeaway{padding:20px 18px;font-size:20px}.ba-panel{padding:25px;min-height:auto}.architecture{margin-top:35px}.arch-col,.arch-core{padding:22px}.core-items{grid-template-columns:1fr}.demo-mail,.demo-ai,.demo-output>div{padding:20px}.roi-card{padding:28px}.roi-result strong{font-size:70px}.comparison{border-radius:16px}.compare-row{grid-template-columns:1fr}.compare-row.head{display:none}.compare-row>span,.compare-row>strong,.compare-row>em{border-right:0;padding:10px 16px}.compare-row strong{background:#eee7de}.compare-row span:before{content:"一般的なSaaS：";font-size:10px;color:#918980}.compare-row em:before{content:"本サービス：";font-size:10px;color:#918980;margin-right:6px}.tool-grid{grid-template-columns:1fr}.roadmap{grid-template-columns:1fr}.roadmap article{border-right:0;border-bottom:1px solid var(--line)}.roadmap article:after{display:none}.price-cards{grid-template-columns:1fr}.fit-card{padding:29px}.human-flow{flex-direction:column;align-items:stretch;text-align:center}.human-flow i{transform:rotate(90deg)}.future-data{padding:28px 16px}.contact-form{padding:24px}.form-row{grid-template-columns:1fr;gap:0}.footer-inner{grid-template-columns:1fr;gap:16px}.footer-inner>a{justify-self:start}.mobile-cta{position:fixed;display:block;left:0;right:0;bottom:0;padding:9px 15px;background:rgba(250,248,244,.93);backdrop-filter:blur(12px);border-top:1px solid var(--line);z-index:90}.mobile-cta .btn{width:100%;padding:12px}.footer{padding-bottom:100px}}
@media (max-width:380px){h1{font-size:35px}.hero-grid{grid-template-columns:minmax(0,1fr)}.hero-grid>*{min-width:0}.input-stack,.output-stack{grid-template-columns:1fr}.mini-card{width:min(100%,260px);margin-inline:auto}.hero-visual{gap:30px}.ai-core:before,.ai-core:after{height:22px}.ai-core:before{top:-22px}.ai-core:after{bottom:-22px}}
@media (max-width:680px){.container{width:min(calc(100% - 30px),var(--container))}}

/* Typography refresh: legible Japanese type scale and stronger contrast */
:root{
  --accent:#9b5e18;
  --accent2:#b77931;
  --muted:#57534d;
  --font-body:"BIZ UDPGothic","Hiragino Sans","Yu Gothic UI",Meiryo,sans-serif;
  --font-display:"Yu Mincho","Hiragino Mincho ProN","Hiragino Mincho Pro",Georgia,serif;
  --text-caption:.75rem;
  --text-secondary:.875rem;
  --text-body:1rem;
  --text-lead:1.125rem;
  --text-subheading:1.5rem;
}
body{font-family:var(--font-body);font-size:var(--text-body);font-weight:400;line-height:1.8;letter-spacing:.01em;font-kerning:normal;color:#211f1c}
h1,h2{font-family:var(--font-display);line-height:1.24;letter-spacing:.015em}
h1{font-size:clamp(2.75rem,4vw + 1rem,4.875rem)}
h2{font-size:clamp(2.25rem,2.8vw + 1rem,3.8125rem)}
h3{font-size:var(--text-subheading);line-height:1.45;font-weight:700;letter-spacing:0}
.brand-name{font-size:.9375rem;font-weight:700}.brand-tagline{font-size:var(--text-caption);letter-spacing:.2em;color:#403c37}
.nav{font-size:var(--text-secondary);font-weight:600}.nav>a:not(.btn){color:#393632}
.btn{font-size:.9375rem;line-height:1.4}.btn-small{font-size:.8125rem}.btn:hover{background:#824c0f}
.eyebrow{font-size:var(--text-caption);letter-spacing:.18em;line-height:1.5}
.section-head>p:last-child{font-size:var(--text-body);line-height:1.8;max-width:65ch}
.section-head.horizontal>p{font-size:var(--text-lead);line-height:1.7}
.hero-lead{font-size:var(--text-lead);line-height:1.85;max-width:65ch;color:#302d29}
.hero-tags span{font-size:.8125rem;color:#47433e}.microcopy{font-size:.8125rem;color:#5f5a53}
.diagram-label{font-size:var(--text-caption);color:#625d56}.mini-card strong{font-size:.9375rem;line-height:1.5}.mini-card small{font-size:var(--text-caption);line-height:1.55;color:#5d5851}
.ai-kicker{font-size:.8125rem}.ai-core strong{font-size:1rem;line-height:1.45}.ai-core small{font-size:var(--text-caption);line-height:1.5;color:#5d5851}
.diagram-note{font-family:var(--font-display);font-size:1.0625rem}
.statement-row{font-family:var(--font-display);font-size:1.375rem}.statement-row strong{font-size:1.75rem}
.problem-card .num,.step-no{font-size:var(--text-caption)}.problem-card h3,.match-step h3{font-size:var(--text-subheading)}
.problem-card p,.match-step p{font-size:var(--text-body);line-height:1.8;color:var(--muted)}
.big-takeaway,.service-line{font-family:var(--font-display)}
.panel-tag{font-size:var(--text-caption)}.steps-list li{font-size:var(--text-body)}.steps-list li span{font-size:var(--text-caption)}
.human-loop small{font-size:var(--text-caption)}.human-loop strong{font-size:1.25rem}.human-loop p{font-size:var(--text-secondary);color:#5b5650}
.arch-label{font-size:var(--text-caption)}.arch-col span{font-size:var(--text-secondary);line-height:1.6}.core-items span{font-size:.8125rem;line-height:1.5}
.chips span{font-size:.8125rem}.score small{font-size:var(--text-secondary)}.score span{font-size:var(--text-caption)}.score-grid span{font-size:var(--text-caption)}
.demo-title{font-size:var(--text-secondary)}.mail-subject{font-size:.9375rem}.mail-card dl{font-size:var(--text-caption);line-height:1.6}.mail-card dt{color:#615c55}
.parse-chips span,.ranking p{font-size:.8125rem}.ranking strong{font-size:.8125rem}.draft p{font-size:var(--text-caption);line-height:1.7}
.benefit-list h3{font-size:1.25rem}.benefit-list p{font-size:var(--text-body);line-height:1.75}.roi-label{font-size:var(--text-caption)}
.roi-assumption span,.roi-calc{font-size:.8125rem}.roi-result small{font-size:var(--text-secondary)}.roi-card>p{font-size:var(--text-caption);line-height:1.65;color:#5f5a53}
.compare-row{font-size:.9375rem}.compare-row strong{font-size:.9375rem}.tool-grid small{font-size:var(--text-caption)}.tool-grid strong{font-size:var(--text-lead)}.tool-note p{font-size:var(--text-secondary);line-height:1.7}
.roadmap p{font-size:var(--text-body);line-height:1.75}.price-card>small{font-size:var(--text-secondary)}.price-card>strong span{font-size:.8125rem}.price-card li{font-size:.9375rem;line-height:1.65}
.check-list li,.minus-list li{font-size:var(--text-body);line-height:1.7}
.future-copy p:last-child{font-size:var(--text-body);line-height:1.9;color:#d0c8bd}.future-data span{font-size:.8125rem;color:#ddd4c8}.future-data small{font-size:var(--text-secondary);line-height:1.75;color:#c6bdb1}
.faq-list summary{font-size:1.0625rem;line-height:1.65}.faq-list details p{font-size:var(--text-body);line-height:1.8;max-width:65ch}
.contact-copy>p:not(.eyebrow),.contact-soft{font-size:var(--text-body);line-height:1.85}.contact-meta span{font-size:.8125rem}
.contact-form label{font-size:var(--text-secondary)}.contact-form label b,.contact-form label>span{font-size:var(--text-caption)}
.contact-form input,.contact-form select,.contact-form textarea{font-size:var(--text-body);line-height:1.5}.form-note{font-size:var(--text-caption);line-height:1.65;color:#5f5a53}.form-note a{color:var(--accent);font-weight:700;text-decoration:underline;text-underline-offset:3px}.form-status{font-size:var(--text-secondary)}
.form-status[data-state="success"]{color:#246b42;font-weight:700}.form-status[data-state="error"]{color:#a0392d;font-weight:700}.submit-btn:disabled{cursor:wait;opacity:.72}
.footer p{font-size:var(--text-secondary);line-height:1.7;color:#c3bbb0}.footer small,.footer a{font-size:var(--text-caption);color:#aaa197}
.selfcheck-item span,.selfcheck-result p{font-size:var(--text-body);line-height:1.8}

@media (max-width:680px){
  body{font-size:var(--text-body)}
  h1{font-size:clamp(2.35rem,10.5vw,2.75rem)}
  h2,.contact-copy h2{font-size:clamp(2rem,8.8vw,2.75rem)}
  .hero-lead{font-size:1rem;line-height:1.85}
  .mini-card strong{font-size:.875rem}.mini-card small{font-size:var(--text-caption)}
  .ai-core strong{font-size:.9375rem}.ai-core small{font-size:var(--text-caption);line-height:1.5}
  .diagram-note{font-size:1rem}
  .problem-card h3,.match-step h3{font-size:1.375rem}
  .compare-row{font-size:.875rem}.compare-row strong{font-size:.875rem}
  .compare-row span:before,.compare-row em:before{font-size:var(--text-caption)}
}
@media (max-width:380px){h1{font-size:2.1875rem}}

/* Self check */
.selfcheck-section{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.selfcheck-list{margin-top:44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden}
.selfcheck-item{display:flex;align-items:flex-start;gap:16px;padding:20px 26px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .18s ease}
.selfcheck-item:last-child{border-bottom:0}
.selfcheck-item:hover{background:#fbf7f0}
.selfcheck-item input{appearance:none;flex:0 0 auto;width:22px;height:22px;margin:4px 0 0;border:1.5px solid #a89e8f;border-radius:6px;background:#fff;cursor:pointer;position:relative;transition:.15s ease}
.selfcheck-item input:checked{background:var(--accent);border-color:var(--accent)}
.selfcheck-item input:checked:after{content:"✓";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800}
.selfcheck-item span{line-height:1.7}
.selfcheck-item:has(input:checked) span{color:var(--ink);font-weight:600}
.selfcheck-result{margin-top:22px;padding:22px 26px;border:1px solid color-mix(in oklch,var(--accent) 35%,var(--line));background:color-mix(in oklch,var(--paper) 92%,var(--accent));border-radius:14px;transition:.2s ease}
.selfcheck-result p{margin:0;color:var(--muted)}
.selfcheck-result.active p{color:var(--ink)}
.selfcheck-result strong{color:var(--accent)}
.selfcheck-result .selfcheck-cta{display:inline-flex;margin-top:14px}
.contact-soft{font-size:14px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.28);border-radius:12px;padding:14px 16px;margin-top:-6px;text-wrap:pretty}
@media (max-width:760px){.selfcheck-item{padding:16px 18px}.selfcheck-result{padding:18px}}

/* Privacy policy */
.privacy-page{background:var(--bg)}
.privacy-header-link{display:inline-flex;align-items:center;gap:10px;font-size:var(--text-secondary);font-weight:700;border-bottom:1px solid #a69f95;padding:8px 0}
.privacy-header-link:hover{color:var(--accent);border-color:var(--accent)}
.privacy-hero{padding:clamp(72px,9vw,128px) 0 clamp(64px,8vw,104px);border-bottom:1px solid var(--line);background:linear-gradient(145deg,#faf8f4 0%,#f3ede4 100%)}
.privacy-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:64px;align-items:end}
.privacy-hero .eyebrow{grid-column:1/-1}.privacy-hero h1{font-size:clamp(2.75rem,5vw,4.75rem);max-width:12ch;margin-bottom:28px}
.privacy-hero-inner>p:not(.eyebrow){max-width:48ch;margin:0;color:var(--muted);font-size:var(--text-lead);line-height:1.9}
.privacy-meta{margin:0;min-width:230px;border-top:1px solid #cfc5b8}
.privacy-meta>div{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid #d8cec1}
.privacy-meta dt{font-size:var(--text-caption);font-weight:700;color:var(--accent)}.privacy-meta dd{margin:0;font-size:var(--text-secondary)}
.privacy-layout{display:grid;grid-template-columns:240px minmax(0,760px);gap:clamp(56px,8vw,120px);align-items:start;justify-content:center}
.privacy-toc{position:sticky;top:112px}.privacy-toc>p{margin:0 0 16px;font-size:var(--text-caption);font-weight:800;letter-spacing:.16em;color:var(--accent)}
.privacy-toc nav{display:grid;border-top:1px solid var(--line)}.privacy-toc a{display:grid;grid-template-columns:30px 1fr;gap:8px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.8125rem;line-height:1.5;color:#4f4a44}
.privacy-toc a:hover{color:var(--accent)}.privacy-toc a span{font-family:Georgia,serif;color:var(--accent);font-size:var(--text-caption)}
.privacy-content{min-width:0}.privacy-content>section{scroll-margin-top:112px;padding:0 0 64px;margin:0 0 64px;border-bottom:1px solid var(--line)}
.privacy-content>section:last-child{margin-bottom:0}.privacy-number{margin:0 0 8px;font-family:Georgia,serif;font-size:var(--text-caption);color:var(--accent);letter-spacing:.12em}
.privacy-content h2{font-size:clamp(1.75rem,2.5vw,2.25rem);line-height:1.4;margin:0 0 24px}.privacy-content p{max-width:65ch;margin-bottom:20px;font-size:var(--text-body);line-height:1.95;color:#403c37}
.privacy-content ul{display:grid;gap:10px;margin:0 0 24px;padding-left:1.4em}.privacy-content li{padding-left:4px;font-size:var(--text-body);line-height:1.8;color:#403c37}
.privacy-note{padding:16px 18px;border:1px solid #d9cec0;border-radius:12px;background:#f4eee6;color:#4c4741!important;font-size:var(--text-secondary)!important}
.privacy-links{list-style:none;padding:0!important;gap:0!important;border-top:1px solid var(--line)}.privacy-links li{padding:0;border-bottom:1px solid var(--line)}.privacy-links a{display:flex;justify-content:space-between;gap:16px;padding:14px 2px;font-weight:700;color:var(--accent)}
.privacy-links a:hover{text-decoration:underline;text-underline-offset:4px}
.privacy-contact{padding:34px!important;border:1px solid #d8c8b5!important;border-radius:22px;background:#f1e7d9}
.privacy-contact dl{margin:0 0 28px}.privacy-contact dl>div{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:12px 0;border-bottom:1px solid #d8caba}.privacy-contact dt{font-size:var(--text-secondary);font-weight:700;color:#5a544d}.privacy-contact dd{margin:0;font-size:var(--text-body);line-height:1.75}
.footer-links{display:flex;align-items:center;justify-content:flex-end;gap:22px}.footer-links a{font-size:var(--text-caption);letter-spacing:.1em;color:#aaa197}.footer-links a:hover{color:#eee7dd}
@media (max-width:820px){.privacy-hero-inner{grid-template-columns:1fr;gap:36px}.privacy-meta{width:min(100%,420px)}.privacy-layout{grid-template-columns:1fr;gap:48px}.privacy-toc{position:static}.privacy-toc nav{grid-template-columns:1fr 1fr;column-gap:24px}.privacy-content>section{padding-bottom:48px;margin-bottom:48px}}
@media (max-width:680px){.privacy-header-link{font-size:.8125rem}.privacy-header-link span{display:none}.privacy-hero{padding:64px 0 56px}.privacy-hero h1{font-size:clamp(2.25rem,11vw,3rem);margin-bottom:22px}.privacy-hero-inner>p:not(.eyebrow){font-size:var(--text-body)}.privacy-toc nav{grid-template-columns:1fr}.privacy-content>section{scroll-margin-top:88px}.privacy-contact{padding:24px 20px!important}.privacy-contact dl>div{grid-template-columns:1fr;gap:3px}.footer-links{justify-content:flex-start;flex-wrap:wrap;gap:14px 22px}}

/* Hero diagram: keep every label readable within the narrow visual panel */
.hero-visual{
  min-height:560px;
  padding:68px 30px 28px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:32px;
}
.hero-visual:before{width:250px;height:250px}
.input-stack,.output-stack{
  width:100%;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.mini-card{min-width:0;padding:14px 13px;gap:10px}
.mini-card>div{min-width:0}
.mini-card strong,.mini-card small{white-space:nowrap}
.flow-line{display:none}
.ai-core{
  position:relative;
  width:132px;
  flex:0 0 132px;
  padding:14px;
}
.ai-core:before,.ai-core:after{
  content:"";
  position:absolute;
  left:50%;
  width:1px;
  height:24px;
  background:#b7aea2;
}
.ai-core:before{top:-24px}
.ai-core:after{bottom:-24px}
.diagram-note{position:static;transform:none;margin-top:0}

@media (max-width:420px){
  .hero-visual{gap:28px;padding-inline:18px}
  .input-stack,.output-stack{grid-template-columns:1fr}
  .mini-card{width:min(100%,270px);margin-inline:auto}
  .ai-core:before,.ai-core:after{height:20px}
  .ai-core:before{top:-20px}
  .ai-core:after{bottom:-20px}
}