:root{--oku-bg:#f5f4f0;--oku-paper:#fff;--oku-ink:#202625;--oku-muted:#727875;--oku-line:#d9dad5;--oku-green:#183a36;--oku-gold:#a99772;--oku-max:1220px;--oku-serif:"Noto Serif JP","Noto Serif SC","Yu Mincho",serif;--oku-sans:"Inter","Noto Sans JP","Noto Sans SC",sans-serif}
body.oku-site main.oku-main{width:100%!important;max-width:none!important;margin:0!important;padding:0!important;float:none!important}body.oku-site .content,body.oku-site .content-in,body.oku-site .main{max-width:none!important;width:100%!important;margin:0!important;padding:0!important}
.oku-page-visual{width:100%;margin:0;padding:0;overflow:hidden;background:#eef0ed}.oku-page-visual figure{margin:0 auto;width:min(1360px,100%);height:min(38vw,520px)}.oku-page-visual img{width:100%;height:100%;display:block;object-fit:cover}@media(max-width:700px){.oku-page-visual figure{height:260px}}
body.oku-site{margin:0;background:var(--oku-bg);color:var(--oku-ink);font-family:var(--oku-sans);letter-spacing:0}body.oku-site *{box-sizing:border-box}body.oku-site a{text-decoration:none;color:inherit}.oku-logo strong{display:block;font:600 18px/1.05 var(--oku-serif);letter-spacing:.07em}.oku-logo small{display:block;margin-top:4px;font:500 9px/1.25 var(--oku-serif);letter-spacing:.02em}.oku-logo-mark{display:none}
@media(max-width:1050px){.oku-nav{display:none}.oku-header-inner{width:calc(100% - 40px)}.oku-header-actions{margin-left:auto}.oku-focus-head,.oku-section-heading,.oku-statement{grid-template-columns:1fr;gap:24px}.oku-profile{grid-template-columns:1fr}.oku-profile figure{min-height:400px}}@media(max-width:700px){.oku-header{height:68px}.oku-logo{font-size:12px}.oku-header-actions{gap:10px}.oku-language{display:none}.oku-header-contact{min-height:36px;padding:0 10px;font-size:10px}.oku-home-hero,.oku-page-title,.oku-page-content,.oku-section,.oku-statement,.oku-language-band{width:calc(100% - 40px)}.oku-home-hero{padding:68px 0;grid-template-columns:1fr;gap:32px}.oku-home-hero figure{height:360px}.oku-home-hero h1{font-size:40px}.oku-home-hero p{font-size:15px}.oku-focus{padding:72px 20px}.oku-focus-row{grid-template-columns:46px 1fr 22px;gap:14px}.oku-focus-row p{display:none}.oku-focus-row h3{font-size:17px}.oku-section{padding:82px 0}.oku-reason{grid-template-columns:50px 1fr;gap:14px}.oku-reason p{grid-column:2}.oku-scenario-grid,.oku-insight-grid{grid-template-columns:1fr}.oku-scenario:first-child,.oku-insight:first-child{grid-row:auto}.oku-profile figure{min-height:300px}.oku-footer-cta{display:block;padding:62px 20px}.oku-footer-cta .oku-button{margin-top:34px}.oku-footer{grid-template-columns:1fr;gap:45px;padding:55px 20px 25px}.oku-page-title{padding:80px 0 46px}.oku-page-main .ok-page-lead{grid-template-columns:1fr;gap:22px;padding:62px 0}.oku-page-main .ok-page-lead h2{font-size:25px}.oku-page-main .ok-section-label{margin-top:80px}.oku-page-main .ok-section-label h2{font-size:29px}}
.oku-focus-row .oku-index{font:500 28px/1 var(--oku-serif);color:#d5c39d}.oku-focus-row .oku-row-title h3{margin:0;font:500 20px/1.4 var(--oku-serif)}.oku-focus-row .oku-row-copy p{margin:0;font-size:13px;line-height:1.8}.oku-focus-row .oku-row-arrow{font-size:22px;color:#d5c39d}.oku-reason .oku-index{color:var(--oku-gold);font:500 30px/1 var(--oku-serif)}.oku-reason .oku-row-title h3{margin:0;font:500 20px/1.5 var(--oku-serif)}.oku-reason .oku-row-copy p{margin:0;color:var(--oku-muted);font-size:13px;line-height:1.9}.oku-reason .oku-row-arrow{display:none}.oku-service .oku-index{color:var(--oku-gold);font:500 26px/1 var(--oku-serif)}.oku-service .oku-row-title{grid-column:2}.oku-service .oku-row-copy{grid-column:2}.oku-service .oku-row-title h3{margin:0 0 6px;font:500 22px/1.45 var(--oku-serif)}.oku-service .oku-row-copy p{margin:0;color:var(--oku-muted);font-size:13px;line-height:1.7}.oku-service .oku-row-arrow{grid-column:3;grid-row:1/3;color:var(--oku-gold);font-size:22px}.oku-scenario .oku-index{margin-bottom:18px;color:var(--oku-gold);font:500 17px/1 var(--oku-serif)}.oku-scenario .oku-row-title h3{margin:0 0 18px;font:500 25px/1.38 var(--oku-serif)}.oku-scenario .oku-row-copy p{margin:0;color:var(--oku-muted);font-size:13px;line-height:1.9}.oku-scenario .oku-row-arrow{display:none}

/* Screenshot-reference home composition. */
.oku-home-main{background:#fff}.oku-ref-hero{display:grid;grid-template-columns:52% 48%;min-height:540px;max-width:1440px;margin:0 auto}.oku-ref-hero-copy{padding:78px clamp(36px,6vw,106px) 48px;align-self:center;background:#fff}.oku-ref-kicker{margin:0 0 14px;color:var(--oku-green);font:500 14px/1.4 var(--oku-serif);letter-spacing:.05em}.oku-ref-hero h1{margin:0;font:600 clamp(38px,4.2vw,64px)/1.36 var(--oku-serif);letter-spacing:.04em}.oku-ref-lead{max-width:565px;margin:25px 0 28px;font-size:14px;line-height:2;color:#323a37}.oku-ref-actions{display:flex;gap:16px;flex-wrap:wrap}.oku-ref-button{display:inline-flex;align-items:center;justify-content:center;min-width:176px;height:49px;padding:0 18px;border:1px solid var(--oku-green);color:var(--oku-green);font-size:13px;font-weight:700}.oku-ref-button.is-solid{background:var(--oku-green);color:#fff}.oku-ref-hero-image{min-height:540px;overflow:hidden}.oku-ref-hero-image figure{height:100%;margin:0}.oku-ref-hero-image img{width:100%;height:100%;display:block;object-fit:cover}.oku-ref-intro{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:38px;padding:42px clamp(36px,6vw,106px);background:#f3f1ed}.oku-ref-intro h2{margin:0;font:600 clamp(26px,3vw,40px)/1.42 var(--oku-serif)}.oku-ref-intro h2+p{margin:10px 0 0;color:var(--oku-green);font:500 13px/1.6 var(--oku-serif)}.oku-ref-intro>div:not(:first-child){padding-top:8px}.oku-ref-intro>div:not(:first-child) p{margin:0;font-size:13px;line-height:2;color:#4c5551}.oku-ref-global{position:relative;max-width:1440px;margin:0 auto;display:grid;grid-template-columns:.87fr 1fr .95fr;gap:42px;padding:74px clamp(36px,6vw,106px);background:var(--oku-green);color:#fff}.oku-ref-global-title h2{margin:0 0 8px;font:600 clamp(31px,3vw,45px)/1.35 var(--oku-serif)}.oku-ref-global-title p{margin:0 0 35px;color:#e0d8c4;font:500 13px/1.5 var(--oku-serif)}.oku-ref-global-title span{font-size:13px;line-height:2;color:rgba(255,255,255,.86)}.oku-ref-global-list{border-top:1px solid rgba(255,255,255,.36)}.oku-ref-global-list article{position:relative;padding:13px 25px 12px 54px;border-bottom:1px solid rgba(255,255,255,.3)}.oku-ref-global-list b{position:absolute;left:0;top:15px;color:#d7c69d;font:500 24px/1 var(--oku-serif)}.oku-ref-global-list h3{margin:0 0 3px;font:600 15px/1.4 var(--oku-serif)}.oku-ref-global-list p{margin:0;font-size:11px;line-height:1.65;color:rgba(255,255,255,.83)}.oku-ref-diagram{position:relative;align-self:center;height:255px}.oku-ref-node,.oku-ref-hub{position:absolute;display:grid;place-items:center;text-align:center}.oku-ref-node{width:112px;height:134px;top:50px;background:#e2ddcf;color:#1e2927;font:600 14px/1.5 var(--oku-serif)}.oku-ref-node.is-parent{left:0;background:#d7dfdb}.oku-ref-node.is-japan{right:0}.oku-ref-hub{top:110px;left:50%;transform:translateX(-50%);width:135px;height:66px;background:#fff;color:var(--oku-green);font:600 14px/1.4 var(--oku-serif)}.oku-ref-hub small{font:500 11px/1 var(--oku-sans)}.oku-ref-line{position:absolute;display:block;background:rgba(255,255,255,.72)}.oku-ref-line.one{left:112px;right:112px;top:76px;height:1px}.oku-ref-line.two{left:112px;right:112px;top:140px;height:1px}.oku-ref-line.three{left:56px;right:56px;bottom:11px;height:1px}.oku-ref-line.three:before,.oku-ref-line.three:after{content:"";position:absolute;top:-58px;width:1px;height:58px;background:rgba(255,255,255,.72)}.oku-ref-line.three:before{left:0}.oku-ref-line.three:after{right:0}.oku-ref-label{position:absolute;font:600 11px/1 var(--oku-serif);color:#fff}.oku-ref-label.one{top:51px;left:50%;transform:translateX(-50%)}.oku-ref-label.two{top:118px;left:50%;transform:translateX(-50%)}.oku-ref-label.three{bottom:24px;left:50%;transform:translateX(-50%)}.oku-ref-expertise{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:24% 1fr;background:#f4f3ef}.oku-ref-expertise-image figure{height:100%;min-height:255px;margin:0}.oku-ref-expertise-image img{width:100%;height:100%;object-fit:cover;display:block}.oku-ref-expertise-copy{padding:30px clamp(28px,5vw,78px)}.oku-ref-expertise-copy>h2{margin:0 0 25px;font:600 clamp(27px,3vw,40px)/1.35 var(--oku-serif)}.oku-ref-credentials{display:grid;grid-template-columns:repeat(5,1fr)}.oku-ref-credentials article{min-width:0;padding:0 18px;border-left:1px solid #bfc4bf}.oku-ref-credentials article:first-child{padding-left:0;border:0}.oku-ref-credentials h3{margin:0 0 10px;font:600 14px/1.55 var(--oku-serif)}.oku-ref-credentials p{margin:0;font-size:10px;line-height:1.8;color:#58605d}.oku-ref-services,.oku-ref-scenarios,.oku-ref-insights{max-width:1440px;margin:0 auto;padding:42px clamp(36px,6vw,106px)}.oku-ref-section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}.oku-ref-section-title h2{margin:0;font:600 clamp(27px,3vw,39px)/1.3 var(--oku-serif)}.oku-ref-section-title p{margin:6px 0 0;color:var(--oku-green);font:500 13px/1 var(--oku-serif)}.oku-ref-section-title>a{font-size:12px;color:var(--oku-green);white-space:nowrap}.oku-ref-service-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--oku-line);border-bottom:1px solid var(--oku-line)}.oku-ref-service-strip article{position:relative;padding:19px 50px 20px 0;border-right:1px solid var(--oku-line)}.oku-ref-service-strip article+article{padding-left:30px}.oku-ref-service-strip article:last-child{border:0}.oku-ref-service-strip article:after{content:"→";position:absolute;right:16px;bottom:17px;color:var(--oku-green);font-size:22px}.oku-ref-service-strip h3{margin:0 0 8px;font:600 16px/1.5 var(--oku-serif)}.oku-ref-service-strip p{margin:0;color:#57605d;font-size:11px;line-height:1.75}.oku-ref-scenarios{padding-top:22px}.oku-ref-scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.oku-ref-scenario-grid figure{height:155px;margin:0 0 12px}.oku-ref-scenario-grid img{display:block;width:100%;height:100%;object-fit:cover}.oku-ref-scenario-grid h3{margin:0 0 9px;font:600 15px/1.55 var(--oku-serif)}.oku-ref-scenario-grid p{margin:0;font-size:11px;line-height:1.8;color:#59615e}.oku-ref-insights{padding-top:54px}.oku-ref-insights .oku-insight-grid{grid-template-columns:1.35fr 1fr 1fr;border:0;background:transparent;gap:16px}.oku-ref-insights .oku-insight{min-height:190px;padding:22px;border:1px solid var(--oku-line);background:#fff}.oku-ref-insights .oku-insight:first-child{grid-row:auto;background:#f1f1ed}.oku-ref-insights .oku-insight h3{font-size:17px}.oku-ref-languages{max-width:1440px;margin:0 auto;padding:32px clamp(36px,6vw,106px);border-top:1px solid var(--oku-line);border-bottom:1px solid var(--oku-line);text-align:center}.oku-ref-languages h2{margin:0 0 24px;font:600 clamp(20px,2.2vw,28px)/1.5 var(--oku-serif)}.oku-ref-languages>div{display:grid;grid-template-columns:repeat(3,1fr)}.oku-ref-languages article{padding:0 24px;border-right:1px solid var(--oku-line)}.oku-ref-languages article:last-child{border:0}.oku-ref-languages b{color:var(--oku-green);font:600 15px/1.5 var(--oku-serif)}.oku-ref-languages p{margin:7px 0 0;font-size:11px;color:#58605d}.oku-footer-cta{max-width:1440px;margin:0 auto;min-height:150px;padding-top:34px;padding-bottom:34px}.oku-footer{max-width:1440px;margin:0 auto}
@media(max-width:1050px){.oku-ref-global{grid-template-columns:1fr 1fr}.oku-ref-diagram{grid-column:1/-1;max-width:470px;width:100%;margin:0 auto}.oku-ref-credentials{grid-template-columns:repeat(3,1fr);gap:22px}.oku-ref-credentials article:nth-child(4){padding-left:0;border:0}.oku-ref-expertise{grid-template-columns:34% 1fr}}
@media(max-width:700px){.oku-ref-hero{grid-template-columns:1fr}.oku-ref-hero-copy{padding:58px 20px 40px}.oku-ref-hero h1{font-size:37px}.oku-ref-hero-image{min-height:300px}.oku-ref-intro{grid-template-columns:1fr;padding:42px 20px;gap:20px}.oku-ref-global{display:block;padding:58px 20px}.oku-ref-global-list{margin-top:32px}.oku-ref-diagram{margin-top:40px;height:230px;transform:scale(.88);transform-origin:center}.oku-ref-expertise{grid-template-columns:1fr}.oku-ref-expertise-image figure{height:220px;min-height:0}.oku-ref-expertise-copy{padding:42px 20px}.oku-ref-credentials{grid-template-columns:1fr 1fr}.oku-ref-credentials article,.oku-ref-credentials article:nth-child(4){padding:0 14px;border-left:1px solid #bfc4bf}.oku-ref-credentials article:nth-child(odd){padding-left:0;border:0}.oku-ref-services,.oku-ref-scenarios,.oku-ref-insights{padding:50px 20px}.oku-ref-section-title{align-items:flex-start;flex-direction:column}.oku-ref-service-strip,.oku-ref-scenario-grid,.oku-ref-insights .oku-insight-grid{grid-template-columns:1fr}.oku-ref-service-strip article,.oku-ref-service-strip article+article{padding:18px 45px 18px 0;border-right:0;border-bottom:1px solid var(--oku-line)}.oku-ref-service-strip article:last-child{border-bottom:0}.oku-ref-scenario-grid{gap:30px}.oku-ref-scenario-grid figure{height:195px}.oku-ref-languages{padding:34px 20px}.oku-ref-languages>div{grid-template-columns:1fr;gap:18px}.oku-ref-languages article{padding:0;border:0}.oku-ref-actions{gap:10px}.oku-ref-button{flex:1;min-width:150px}}