:root{
--ink:#262624;
--sub:#60605b;
--accent:#ffb000;
--paper:#fff;
--soft:#f5f5f2;
--pale:#eef5f1;
--line:#dcdcd6}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.8 "Noto Sans CJK JP","Noto Sans JP","Hiragino Sans","Yu Gothic UI",sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:700;line-height:1.28;letter-spacing:.01em}
a{color:var(--ink)}
a:visited{color:var(--ink)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.wrap{width:min(1240px,calc(100% - 48px));margin-inline:auto}
.label{font-size:14px;font-weight:700;letter-spacing:.04em}
.arrow-link{display:inline-flex;align-items:center;gap:12px;font-weight:700;text-decoration:none}
.arrow-link::after{content:"→";transition:transform .18s ease}
.arrow-link:hover::after{transform:translateX(5px)}

header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:#fffffff2;backdrop-filter:blur(12px)}
header .wrap{width:calc(100% - 40px);max-width:1600px;height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:11px;min-height:48px;color:#111;font-weight:700;text-decoration:none}
.brand:visited,.brand span{color:#111}
.brand-logo{width:39px;height:42px;object-fit:contain}
.brand-copy{display:flex;flex-direction:column;justify-content:center}
.company-name{font-size:14px;font-weight:700;line-height:1.15;white-space:nowrap}
header nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:700}
header nav a{text-decoration:none}
header nav a:hover{color:#745200}
.nav-contact{display:inline-flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--ink)}

.hero{position:relative;min-height:880px;overflow:hidden;background:#fff}
.hero .wrap{position:relative;z-index:2;padding-top:138px}
.hero h1{max-width:990px;font-size:clamp(58px,8.2vw,112px);line-height:1.12;letter-spacing:.015em}
.hero-bottom{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-top:74px}
.hero-copy{max-width:560px;color:var(--sub);font-size:18px}
.hero-copy strong{display:block;margin-bottom:10px;color:var(--ink);font-size:22px}
.hero-action{justify-self:end;padding:16px 0;border-bottom:2px solid var(--ink);font-size:18px}
.signature{position:absolute;z-index:1;pointer-events:none}
.signature-main{right:-170px;bottom:-210px;width:950px;height:720px;background-image:radial-gradient(circle,#ffb000 0 1.35px,transparent 1.7px);background-size:13px 13px;opacity:.64;-webkit-mask-image:radial-gradient(ellipse at center,transparent 0 47%,#000 47.5% 55%,transparent 55.5%);mask-image:radial-gradient(ellipse at center,transparent 0 47%,#000 47.5% 55%,transparent 55.5%);transform:rotate(-10deg)}
.signature-soft{right:80px;bottom:-205px;width:680px;height:530px;background-image:radial-gradient(circle,#ffb000 0 1px,transparent 1.5px);background-size:18px 18px;opacity:.26;-webkit-mask-image:radial-gradient(ellipse at center,transparent 0 48%,#000 48.5% 56%,transparent 56.5%);mask-image:radial-gradient(ellipse at center,transparent 0 48%,#000 48.5% 56%,transparent 56.5%);transform:rotate(17deg)}

.business{padding:150px 0 170px;background:var(--soft)}
.section-intro{display:grid;grid-template-columns:.34fr .66fr;gap:70px;margin-bottom:104px}
.section-intro h2{font-size:clamp(44px,6vw,76px)}
.section-intro p{max-width:600px;margin-top:24px;color:var(--sub);font-size:18px}
.business-list{border-top:1px solid var(--ink)}
.business-row{display:grid;grid-template-columns:.42fr .58fr;gap:70px;padding:72px 0;border-bottom:1px solid var(--line)}
.business-row h3{font-size:clamp(34px,4.2vw,58px)}
.business-copy{max-width:650px}
.business-copy p{color:var(--sub);font-size:17px}
.business-copy .arrow-link{margin-top:34px}
.business-copy .arrow-link.primary{padding-bottom:8px;border-bottom:2px solid var(--ink)}
.service-name{display:flex;align-items:center;gap:12px;color:var(--ink)!important;font-size:clamp(28px,3.3vw,44px)!important;font-weight:700;line-height:1.35}
.service-name::before{content:"";width:28px;height:4px;flex:0 0 auto;background:var(--accent)}
.service-value{margin-top:22px;color:var(--ink)!important;font-size:22px!important;font-weight:700;line-height:1.65}
.service-detail{margin-top:20px}
.works{margin-top:48px;padding-top:36px;border-top:1px solid var(--line)}
.works-label{margin-bottom:12px;color:var(--ink)!important;font-size:14px!important}
.works-list{margin:0;border-top:1px solid var(--ink)}
.works-list div{display:grid;grid-template-columns:11em 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}
.works-list.questions div{grid-template-columns:1fr;gap:6px}
.works-list dt{font-weight:700;color:var(--ink)}
.works-list dd{margin:0;color:var(--sub)}

.products{position:relative;overflow:hidden;padding:154px 0 145px;background:var(--pale)}
.products-head{display:grid;grid-template-columns:.58fr .42fr;gap:70px;align-items:end}
.products h2{font-size:clamp(48px,6.6vw,84px)}
.products-copy{max-width:520px;justify-self:end}
.products-copy p{color:var(--sub);font-size:18px}
.products-copy .arrow-link{margin-top:34px;padding-bottom:8px;border-bottom:2px solid var(--ink);font-size:17px}
.product-stage{position:relative;height:690px;margin-top:72px}
.screen{position:absolute;overflow:hidden;border:1px solid #d2d4d0;background:#fff;box-shadow:0 22px 55px #2525251a}
.screen img{width:100%;aspect-ratio:420/260;object-fit:contain;background:#fff}
.screen.one{z-index:3;width:52%;left:2%;top:100px;transform:rotate(-2deg)}
.screen.two{z-index:2;width:43%;right:4%;top:5px;transform:rotate(2.5deg)}
.screen.three{z-index:4;width:43%;right:16%;bottom:10px}
.screen.four{z-index:1;width:34%;left:15%;bottom:0;transform:rotate(-4deg)}
.product-dots{position:absolute;left:-240px;bottom:-250px;width:780px;height:600px;background-image:radial-gradient(circle,#ffb000 0 1.1px,transparent 1.5px);background-size:16px 16px;opacity:.25;-webkit-mask-image:radial-gradient(ellipse at center,transparent 0 49%,#000 49.5% 57%,transparent 57.5%);mask-image:radial-gradient(ellipse at center,transparent 0 49%,#000 49.5% 57%,transparent 57.5%);transform:rotate(25deg)}

.company{padding:160px 0 180px}
.company-grid{display:grid;grid-template-columns:.34fr .66fr;gap:70px;align-items:start}
.company h2,.company-grid h2{font-size:clamp(44px,6vw,76px)}
.company-data{margin:0;border-top:1px solid var(--ink)}
.company-data div{display:grid;grid-template-columns:170px 1fr;gap:30px;padding:23px 0;border-bottom:1px solid var(--line)}
.company-data dt{font-weight:700}
.company-data dd{margin:0;color:var(--sub)}
.company-data a{text-underline-offset:4px}

.contact{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.contact-link{display:grid;grid-template-columns:.34fr .56fr .1fr;gap:40px;align-items:center;min-height:220px;text-decoration:none}
.contact-link h2{font-size:clamp(42px,5.4vw,70px)}
.contact-link p{max-width:580px;color:var(--sub)}
.contact-arrow{justify-self:end;font-size:42px;transition:transform .18s ease}
.contact-link:hover .contact-arrow{transform:translateX(8px)}

footer{padding:88px 0 40px;background:#fff}
.footer-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:56px;padding-bottom:72px}
footer .brand{align-items:flex-start}
footer .brand-logo{width:48px;height:52px}
.footer-brand p{max-width:320px;margin-top:26px;color:var(--sub);font-size:13px}
.footer-col h3{font-size:13px}
.footer-col nav{display:flex;flex-direction:column;gap:9px;margin-top:18px}
.footer-col a{color:var(--sub);font-size:13px;text-decoration:none}
.footer-col a:visited{color:var(--sub)}
.footer-col a:hover{color:#745200}
.footer-bottom{display:flex;justify-content:space-between;gap:30px;padding-top:30px;border-top:1px solid var(--line);color:var(--sub);font-size:11px}

.page-hero{position:relative;overflow:hidden;padding:118px 0 88px;background:var(--paper)}
.page-hero .label{margin-bottom:22px}
.page-hero h1{max-width:980px;font-size:clamp(42px,6.2vw,84px)}
.page-hero .lead{max-width:640px;margin-top:28px;color:var(--sub);font-size:18px}
.band{padding:140px 0 150px}
.band-soft{background:var(--soft)}
.band-pale{background:var(--pale)}
.band-paper{background:var(--paper)}
.phase-index{display:block;margin-bottom:8px;color:var(--sub);font-size:16px;font-weight:700}
.meta-line{margin-top:22px;color:var(--ink)!important;font-weight:700}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:8px}
.compare article{padding-top:36px;border-top:1px solid var(--ink)}
.compare h3{font-size:clamp(28px,3.4vw,44px)}
.compare ul{margin:28px 0 0;padding:0;list-style:none}
.compare li{padding:16px 0;border-bottom:1px solid var(--line);color:var(--sub);font-size:17px}
.compare .preferred h3{display:flex;align-items:center;gap:12px}
.compare .preferred h3::before{content:"";width:28px;height:4px;flex:0 0 auto;background:var(--accent)}
.targets{display:grid;grid-template-columns:1fr 1fr;margin:0;padding:0;border-top:1px solid var(--ink)}
.targets li{padding:20px 28px 20px 0;border-bottom:1px solid var(--line);font-weight:700;list-style:none}
.qa{margin:0;border-top:1px solid var(--ink)}
.qa article{padding:48px 0;border-bottom:1px solid var(--line)}
.qa .who{margin-bottom:16px;color:var(--sub);font-size:14px;font-weight:700}
.qa .ask{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.45}
.qa .ask::before{content:"";width:28px;height:4px;flex:0 0 auto;background:var(--accent)}
.qa .answer{margin-top:18px;color:var(--sub);font-size:17px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;border-top:1px solid var(--ink)}
.metrics article{padding-top:36px}
.metrics b{display:block;font-size:clamp(42px,5vw,72px);line-height:1;letter-spacing:.01em}
.metrics h3{margin-top:18px;font-size:20px}
.metrics p{margin-top:12px;color:var(--sub)}
.note{max-width:640px;margin-top:36px;color:var(--sub);font-size:14px}
.prose{max-width:680px}
.prose p{margin-top:22px;color:var(--sub);font-size:17px}
.prose p:first-child{margin-top:0}
.prose .sign{margin-top:36px;color:var(--ink);font-weight:700}
.form{max-width:720px;margin:0;border-top:1px solid var(--ink)}
.field{padding:26px 0;border-bottom:1px solid var(--line)}
.field label{display:block;font-weight:700}
.field .req{margin-left:6px;color:var(--sub);font-weight:700}
.field input,.field textarea{width:100%;margin-top:10px;padding:0;border:0;background:transparent;color:var(--ink);font:inherit}
.field textarea{min-height:160px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none}
.field input:focus-visible,.field textarea:focus-visible{box-shadow:inset 0 -2px 0 var(--ink)}
.captcha{padding:28px 0 8px}
.captcha p{margin-top:14px;color:var(--sub);font-size:14px}
.submit{margin-top:40px;padding:16px 0;border:0;border-bottom:2px solid var(--ink);background:transparent;color:var(--ink);font:inherit;font-size:18px;font-weight:700;cursor:pointer}
.submit:disabled{color:var(--sub);border-bottom-color:var(--line);cursor:wait}

@media(max-width:900px){
.section-intro,.products-head,.company-grid,.compare,.metrics,.targets{grid-template-columns:1fr}
.business-row{grid-template-columns:1fr;gap:28px}
.products-copy{justify-self:start}
.contact-link{grid-template-columns:1fr auto}
.contact-link p{grid-column:1}
.contact-arrow{grid-column:2;grid-row:1/3}
.footer-top{grid-template-columns:1.5fr 1fr 1fr}
.footer-brand{grid-column:1/-1}
}
@media(max-width:680px){
.wrap{width:calc(100% - 32px)}
header .wrap{width:calc(100% - 24px);height:62px}
.brand{gap:8px;min-height:42px}
.brand-logo{width:31px;height:34px}
.company-name{font-size:12.5px}
header nav a:not(.nav-contact){display:none}
header nav{gap:0}
.nav-contact{font-size:12px}
.hero{min-height:790px}
.hero .wrap{padding-top:82px}
.hero h1{font-size:clamp(42px,11vw,46px)}
.hero-bottom{grid-template-columns:1fr;gap:34px;margin-top:54px}
.hero-copy{font-size:16px}
.hero-copy strong{font-size:18px}
.hero-action{justify-self:start;font-size:16px}
.signature-main{right:-350px;bottom:-180px;width:700px;height:540px;background-size:11px 11px}
.signature-soft{right:-185px;bottom:-135px;width:520px;height:390px}
.business{padding:96px 0 108px}
.section-intro{gap:28px;margin-bottom:60px}
.section-intro h2{font-size:44px}
.section-intro p{font-size:16px}
.business-row{padding:48px 0}
.business-row h3{font-size:34px}
.business-copy p{font-size:15px}
.service-name{font-size:28px!important}
.service-value{font-size:19px!important}
.works{margin-top:36px;padding-top:28px}
.works-list div{grid-template-columns:1fr;gap:4px;padding:14px 0}
.products{padding:100px 0 88px}
.products h2{font-size:44px}
.products-copy p{font-size:16px}
.product-stage{height:510px;margin-top:52px}
.screen.one{width:77%;left:0;top:92px}
.screen.two{width:65%;right:-14%;top:0}
.screen.three{width:70%;right:1%;bottom:45px}
.screen.four{width:56%;left:-8%;bottom:4px}
.company{padding:104px 0 116px}
.company-grid{gap:44px}
.company-data div{grid-template-columns:1fr;gap:4px;padding:18px 0}
.contact-link{min-height:250px;padding:42px 0}
.contact-link h2{font-size:42px}
.contact-arrow{font-size:32px}
footer{padding:68px 0 32px}
.footer-top{grid-template-columns:1fr 1fr;gap:46px 24px}
.footer-brand{grid-column:1/-1}
.footer-bottom{flex-direction:column;gap:8px}
.page-hero{padding:88px 0 64px}
.page-hero h1{font-size:42px}
.page-hero .lead{font-size:16px}
.band{padding:96px 0 108px}
.compare{gap:36px}
.metrics b{font-size:46px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important}
}