:root{--ink:#1a1a1a;--ink-soft:#4a4640;--navy:#142a4c;--vermilion:#9b1b1f;--vermilion-deep:#7a1417;--ochre:#9b1b1f;--ochre-light:#b23d40;--ochre-deep:#7a1417;--rice:#f8f5ee;--rice-warm:#f4f2ec;--gray-line:#eaeaea;--gray-mid:#9a9a9a;--gray-dark:#5c5c5c;--gray-light:#eaeaea;--rice-jp:#f8f5ee;--font-stack-cn:"Noto Serif SC","Source Han Serif SC","Yu Mincho",serif;--font-stack-cn-sans:"Noto Serif SC","Source Han Serif SC","Yu Mincho",serif;--font-stack-jp:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;--font-stack-jp-sans:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;--font-stack-italic:"EB Garamond",Georgia,serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{background:var(--rice);color:var(--ink);font-size:16px;line-height:1.75}a{color:inherit}img,svg{display:block;max-width:100%}.container{max-width:1180px;margin:0 auto;padding:0 32px}[data-locale=zh] body{font-family:var(--font-stack-cn-sans);font-size:16px}[data-locale=zh] .serif{font-family:var(--font-stack-cn)}[data-locale=ja] body{font-size:15px;line-height:1.95}[data-locale=ja] .serif,[data-locale=ja] body{font-family:var(--font-stack-jp)}.brand-mark{display:inline-flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}.seal{width:42px;height:42px;flex-shrink:0}.brand-text{display:flex;flex-direction:column;line-height:1.05}.brand-name-line{display:inline-flex;align-items:baseline;gap:8px}.brand-text-cjk{font-family:var(--font-stack-jp);font-size:18px;font-weight:500;letter-spacing:.06em}.brand-text-tagline{font-size:12px;color:var(--ochre,var(--gray-dark));letter-spacing:.05em;font-weight:400}[data-locale=zh] .brand-text-tagline{font-family:var(--font-stack-cn-sans)}[data-locale=ja] .brand-text-tagline{font-family:var(--font-stack-jp-sans)}.brand-text-roman{font-family:var(--font-stack-italic);font-size:11px;font-style:italic;color:var(--gray-dark);letter-spacing:.18em;margin-top:3px;text-transform:uppercase}header.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(44,73%,94%,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:.5px solid var(--gray-line)}.site-header .nav{justify-content:space-between;padding:16px 0}.nav-menu,.site-header .nav{display:flex;align-items:center}.nav-menu{gap:32px}.nav-menu a{text-decoration:none;color:var(--ink);font-size:14px;transition:color .2s}.nav-menu a:hover{color:var(--ochre-deep)}.nav-actions{display:flex;gap:18px;align-items:center}.lang-switch{font-size:13px;display:flex;gap:10px;color:var(--gray-mid);font-family:var(--font-stack-italic);letter-spacing:.1em}.lang-switch a{text-decoration:none;color:var(--gray-mid);transition:color .2s}.lang-switch a.active{color:var(--ink);font-weight:500}.lang-switch a:hover{color:var(--ochre-deep)}.btn-primary{background:var(--ochre);color:var(--rice);padding:11px 22px;border-radius:2px;text-decoration:none;font-size:14px;transition:all .2s;display:inline-flex;align-items:center;gap:8px;border:.5px solid var(--ochre)}.btn-primary:hover{background:var(--ochre-deep);border-color:var(--ochre-deep)}.btn-outline{background:transparent;color:var(--ink);padding:11px 22px;border:.5px solid var(--ink);border-radius:2px;text-decoration:none;font-size:14px;transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-outline:hover{background:var(--ink);color:var(--rice)}.hero{padding:110px 0 130px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;right:-100px;top:60px;width:380px;height:380px;background:var(--ochre);border-radius:4px;opacity:.06;transform:rotate(-2deg);pointer-events:none}.hero-content{max-width:760px;position:relative;z-index:1}.hero-eyebrow{font-family:var(--font-stack-italic);font-style:italic;font-size:14px;color:var(--ochre-deep);margin-bottom:28px;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-family:var(--font-stack-cn);font-size:50px;font-weight:500;line-height:1.32;margin-bottom:30px;letter-spacing:-.005em}[data-locale=ja] .hero h1{font-family:var(--font-stack-jp);font-size:42px;line-height:1.55;letter-spacing:.04em}.hero h1 .accent{color:var(--ochre-deep);border-bottom:2px solid var(--ochre-light);padding-bottom:4px}.hero-sub{font-size:18px;color:var(--ink-soft);margin-bottom:42px;line-height:1.85;max-width:620px}[data-locale=ja] .hero-sub{font-size:16px;line-height:2.05}.hero-cta{display:flex;gap:14px;flex-wrap:wrap}.trust-strip{padding:36px 0;background:#fff;border-top:.5px solid var(--gray-line);border-bottom:.5px solid var(--gray-line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:32px;gap:32px;align-items:center}.trust-item{text-align:center}.trust-num{font-family:var(--font-stack-cn);font-size:22px;color:var(--ink);font-weight:500;line-height:1.2}[data-locale=ja] .trust-num{font-family:var(--font-stack-jp)}.trust-num .accent{color:var(--ochre-deep)}.trust-label{font-size:12px;color:var(--gray-dark);margin-top:8px}section.s{padding:44px 0}.section-eyebrow{font-family:var(--font-stack-italic);font-style:italic;font-size:14px;color:var(--ochre-deep);letter-spacing:.08em;margin-bottom:18px;text-transform:uppercase}.section-title{font-family:var(--font-stack-cn);font-size:36px;font-weight:500;margin-bottom:18px;line-height:1.32;letter-spacing:-.005em}[data-locale=ja] .section-title{font-family:var(--font-stack-jp);font-size:30px;line-height:1.55;letter-spacing:.06em}.section-lead{font-size:17px;color:var(--ink-soft);max-width:720px;margin-bottom:56px;line-height:1.85}[data-locale=ja] .section-lead{font-size:15px;line-height:2.05}.audiences{background:#fff}.audiences-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:24px;gap:24px}.audience-card{padding:48px 40px;border-radius:4px;position:relative;transition:transform .3s}.audience-card:hover{transform:translateY(-4px)}.audience-card.aud-0{background:var(--rice-warm);border-left:3px solid var(--ochre)}.audience-card.aud-1{background:var(--ink);color:var(--rice);border-left:3px solid var(--ochre-light)}.audience-card h3{font-family:var(--font-stack-cn);font-size:28px;font-weight:500;margin-bottom:12px;line-height:1.3}.audience-card.aud-1 h3{color:var(--rice)}[data-locale=ja] .audience-card h3{font-family:var(--font-stack-jp);font-size:24px}.audience-sub{font-size:16px;color:var(--ochre-deep);margin-bottom:28px;font-weight:500}.audience-card.aud-1 .audience-sub{color:var(--ochre-light)}.audience-card ul{list-style:none;margin-bottom:32px}.audience-card li{padding:9px 0 9px 18px;position:relative;font-size:15px;line-height:1.65}.audience-card li:before{content:"→";position:absolute;left:0;color:var(--ochre);font-weight:500}.audience-card.aud-1 li:before{color:var(--ochre-light)}.audience-cta{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--ochre-deep);text-decoration:none;padding:10px 0;border-bottom:1.5px solid var(--ochre)}.audience-card.aud-1 .audience-cta{color:var(--ochre-light);border-bottom-color:var(--ochre-light)}.services{background:var(--rice)}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.service-card{padding:32px 28px;background:#fff;border-radius:4px;border:.5px solid var(--gray-line);transition:transform .3s}.service-card:hover{transform:translateY(-3px)}.service-card.featured{background:var(--ochre);color:var(--rice);border-color:var(--ochre)}.service-tag{display:inline-block;font-family:var(--font-stack-italic);font-size:11px;padding:4px 10px;background:var(--rice-warm);color:var(--ochre-deep);border-radius:2px;margin-bottom:18px;letter-spacing:.08em}.service-card.featured .service-tag{background:var(--ochre-deep);color:var(--rice)}.service-card h3{font-family:var(--font-stack-cn);font-size:20px;font-weight:500;margin-bottom:12px;line-height:1.4}[data-locale=ja] .service-card h3{font-family:var(--font-stack-jp);font-size:18px;letter-spacing:.04em}.service-card p{font-size:14px;color:var(--gray-dark);margin-bottom:18px;line-height:1.75}.service-card.featured p{color:var(--rice-warm)}.service-card ul{list-style:none}.service-card li{padding:7px 0 7px 14px;position:relative;font-size:13px;line-height:1.6}.service-card li:before{content:"";width:4px;height:4px;background:var(--ochre);border-radius:50%;position:absolute;left:0;top:13px}.service-card.featured li:before{background:var(--rice)}.process{background:#fff}.process-grid{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:8px;gap:8px}.process-step{padding:28px 16px;text-align:center;position:relative}.process-step:not(:last-child):after{content:"";position:absolute;right:-4px;top:56px;width:8px;height:.5px;background:var(--ochre)}.process-num{font-family:var(--font-stack-italic);font-style:italic;font-size:26px;color:var(--ochre-deep);margin-bottom:12px;line-height:1}.process-name{font-family:var(--font-stack-cn);font-size:17px;font-weight:500;margin-bottom:8px}[data-locale=ja] .process-name{font-family:var(--font-stack-jp)}.process-desc{font-size:13px;color:var(--gray-dark);line-height:1.7}.faq{background:var(--rice-warm)}.faq-list{max-width:860px}.faq-item{border-bottom:.5px solid var(--gray-line)}.faq-item summary{padding:22px 0;font-size:16px;font-weight:500;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;list-style:none}[data-locale=ja] .faq-item summary{font-family:var(--font-stack-jp);font-size:15px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:20px;color:var(--ochre-deep)}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 0 22px;color:var(--gray-dark);font-size:15px;line-height:1.85;max-width:760px}.cta-section{background:var(--ink);padding:48px 0;color:var(--rice)}.cta-box{text-align:center;max-width:720px;margin:0 auto}.cta-box .eyebrow{font-family:var(--font-stack-italic);font-style:italic;font-size:14px;color:var(--ochre-light);margin-bottom:18px;letter-spacing:.08em;text-transform:uppercase}.cta-box h2{font-family:var(--font-stack-cn);font-size:36px;font-weight:500;margin-bottom:22px;line-height:1.35;color:var(--rice)}[data-locale=ja] .cta-box h2{font-family:var(--font-stack-jp);font-size:30px;line-height:1.55}.cta-box p{font-size:16px;color:var(--rice-warm);margin-bottom:36px;line-height:1.85}.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.cta-section .btn-outline{color:var(--rice);border-color:var(--rice)}.cta-section .btn-outline:hover{background:var(--rice);color:var(--ink)}footer.site-footer{background:var(--rice-warm);color:var(--ink);padding:64px 0 32px;border-top:.5px solid var(--gray-line)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;grid-gap:48px;gap:48px;margin-bottom:48px}.footer-brand-text{color:var(--gray-dark);font-size:14px;line-height:1.85;margin-top:18px;max-width:380px}.footer-subbrands{margin-top:22px;max-width:380px}.footer-subbrands h6{font-size:11px;font-weight:400;color:var(--gray-dark);letter-spacing:.15em;text-transform:uppercase;margin-bottom:10px;font-family:var(--font-stack-italic);font-style:italic}.footer-subbrands ul{list-style:none;padding:0;margin:0}.footer-subbrands li{margin-bottom:7px}.footer-subbrands a{display:inline-flex;align-items:baseline;color:var(--gray-dark);text-decoration:none;font-size:13px;transition:color .2s}.footer-subbrands a:hover{color:var(--ochre-deep,var(--ink))}.footer-subbrands .sb-name{font-weight:500;color:var(--ink)}.footer-subbrands .sb-tagline{color:var(--gray-dark)}.footer-subbrands .sb-arrow{color:var(--ochre,var(--ink));margin-left:2px}.footer-col h5{font-size:14px;font-weight:500;margin-bottom:20px;color:var(--ink);letter-spacing:.05em}[data-locale=ja] .footer-col h5{font-family:var(--font-stack-jp);font-size:13px;letter-spacing:.1em}.footer-col ul{list-style:none}.footer-col li{margin-bottom:10px;font-size:14px;color:var(--gray-dark);line-height:1.7}.footer-col a{color:var(--gray-dark);text-decoration:none;transition:color .2s}.footer-col a:hover{color:var(--ochre-deep)}.footer-bottom{padding-top:28px;border-top:.5px solid var(--gray-line);display:flex;justify-content:space-between;font-size:12px;color:var(--gray-dark)}@media (max-width:880px){.nav-menu{display:none}.container{padding:0 24px}.hero{padding:70px 0 90px}.hero h1{font-size:32px}.section-title{font-size:26px}section.s{padding:70px 0}.audiences-grid,.footer-grid,.services-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,1fr)}.process-step:after{display:none}.trust-grid{grid-template-columns:repeat(2,1fr)}}.insights-preview{background:var(--rice)}[data-locale=ja] .insights-preview{background:var(--rice-jp)}.insights-preview-grid{display:grid;grid-template-columns:1fr 1fr 1fr;grid-gap:28px;gap:28px;margin-top:8px}.insight-preview-card{display:flex;flex-direction:column;background:#fff;padding:32px 28px;border:.5px solid var(--gray-light);border-radius:4px;text-decoration:none;color:inherit;transition:border-color .25s,transform .3s}.insight-preview-card:hover{border-color:var(--vermilion);transform:translateY(-3px)}.insight-preview-cat{display:inline-block;font-family:var(--font-stack-italic);font-style:italic;font-size:11px;color:var(--vermilion);letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px;align-self:flex-start}[data-locale=zh] .insight-preview-cat{font-family:var(--font-stack-cn-sans);font-style:normal}.insight-preview-card h4{font-size:18px;font-weight:500;line-height:1.5;margin-bottom:14px;color:var(--ink)}[data-locale=ja] .insight-preview-card h4{font-family:var(--font-stack-jp);font-size:17px;line-height:1.6;letter-spacing:.04em}.insight-preview-summary{font-size:14px;color:var(--gray-dark);line-height:1.75;margin-bottom:18px;flex-grow:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.insight-preview-meta{font-size:12px;color:var(--gray-dark);font-family:var(--font-stack-italic);font-style:italic}[data-locale=zh] .insight-preview-meta{font-family:var(--font-stack-cn-sans);font-style:normal}.insights-preview-cta{margin-top:24px;text-align:center}.insights-preview-cta a{font-family:var(--font-stack-italic);font-style:italic;font-size:14px;color:var(--ink);text-decoration:none;border-bottom:.5px solid var(--ink);padding-bottom:4px;transition:color .2s,border-color .2s}[data-locale=zh] .insights-preview-cta a{font-family:var(--font-stack-cn-sans);font-style:normal}.insights-preview-cta a:hover{color:var(--vermilion);border-bottom-color:var(--vermilion)}@media (max-width:880px){.insights-preview-grid{grid-template-columns:1fr}}.prospect-topbar{background:var(--navy);color:hsla(0,0%,100%,.85);font-size:12px;letter-spacing:.06em}.prospect-topbar-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0}.prospect-topbar-label{font-family:var(--font-stack-italic)}[data-locale=ja] .prospect-topbar-label,[data-locale=zh] .prospect-topbar-label{font-family:var(--font-stack-jp);letter-spacing:.04em}.locale-switcher{position:relative;display:inline-block}.locale-switcher-trigger{background:transparent;border:.5px solid rgba(0,0,0,.18);color:var(--ink);font-size:12px;letter-spacing:.06em;cursor:pointer;padding:6px 12px;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-stack-italic);border-radius:2px;transition:border-color .2s,color .2s}.locale-switcher-trigger:hover{border-color:var(--ink);color:var(--vermilion)}.locale-switcher-caret{font-size:9px;line-height:1}.locale-switcher-menu{position:absolute;top:calc(100% + 6px);right:0;background:var(--rice);border:.5px solid rgba(0,0,0,.12);list-style:none;padding:4px 0;margin:0;min-width:132px;z-index:100;box-shadow:0 6px 20px rgba(0,0,0,.08);border-radius:2px}.locale-switcher-menu li{padding:0;margin:0}.locale-switcher-menu button{width:100%;text-align:left;background:transparent;border:none;padding:8px 16px;font-size:12px;color:var(--ink);cursor:pointer;letter-spacing:.06em;font-family:inherit}.locale-switcher-menu button:hover{background:rgba(0,0,0,.04);color:var(--vermilion)}.locale-switcher-menu button.active{background:rgba(0,0,0,.04);font-weight:500}.locale-switcher-topbar .locale-switcher-trigger{color:hsla(0,0%,100%,.92);border-color:hsla(0,0%,100%,.32)}.locale-switcher-topbar .locale-switcher-trigger:hover{border-color:hsla(0,0%,100%,.85);color:#fff}