.wa-home-study{--wh-bg:#f5f4ef;--wh-ink:#182d29;--wh-primary:#174c3b;--wh-muted:#52625b;--wh-rule:#c5cec7;--wh-wash:#e5ebe4;background:var(--wh-bg);color:var(--wh-ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,system-ui,sans-serif;font-size:16px;line-height:1.8;color-scheme:light}.wa-home-study *{box-sizing:border-box}.wa-home-study a{color:inherit;text-decoration:none}.wa-home-study p,.wa-home-study h1,.wa-home-study h2,.wa-home-study h3{margin:0}.wa-home-study a:focus-visible{outline:3px solid #174c3b;outline-offset:5px}.wh-container{width:calc(100% - 96px);max-width:1200px;margin-inline:auto}.wh-preview{background:#e5ebe4;color:#174c3b;text-align:center;padding:7px 20px;font-size:12px;font-weight:600;letter-spacing:.04em}.wh-preview span{margin-left:16px;font-size:13px;letter-spacing:0}.wh-skip{position:absolute;left:20px;top:-100px;padding:12px;background:white;z-index:10}.wh-skip:focus{top:40px}.wh-header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:24px;border-bottom:1px solid var(--wh-rule)}.wh-brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;white-space:nowrap;letter-spacing:.02em}.wh-brand-symbol{display:grid;place-items:center;background:var(--wh-primary);color:white;width:40px;height:40px;border-radius:8px;font-size:25px;letter-spacing:-.04em}.wh-header nav,.wh-footer nav{display:flex;align-items:center;gap:28px}.wh-header nav a,.wh-footer nav a{font-size:15px;font-weight:500;min-height:44px;display:flex;align-items:center}.wh-header .wh-nav-contact{background:var(--wh-primary);color:#fff;padding:10px 20px;border-radius:6px;gap:16px}.wh-hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:56px;padding-block:64px 80px}.wh-kicker{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--wh-primary)}.wh-hero h1{font-size:clamp(36px,4.4vw,64px);line-height:1.35;letter-spacing:-.02em;margin-top:20px;font-weight:700;word-break:keep-all}.wh-lead{font-size:17px;line-height:1.9;margin-top:24px!important;color:var(--wh-muted)}.wh-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:32px}.wh-button{background:var(--wh-primary);color:#fff!important;display:inline-flex;justify-content:space-between;align-items:center;gap:24px;min-height:52px;padding:13px 22px;border-radius:6px;font-size:15px;font-weight:600}.wh-text-link{display:inline-flex;align-items:center;gap:16px;min-height:44px;font-size:15px;font-weight:600;border-bottom:1px solid var(--wh-rule)}.wh-hero-note{font-size:13px;color:var(--wh-muted);margin-top:20px!important}.wh-hero-art{position:relative;aspect-ratio:1.08;background:#e5ebe4;border:1px solid #d2ddd2;border-radius:20px}.wh-art-header,.wh-art-footer{position:absolute;left:26px;right:26px;display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;letter-spacing:.06em;color:#52625b}.wh-art-header{top:22px}.wh-art-footer{bottom:20px;justify-content:flex-start;gap:10px;font-size:13px}.wh-art-footer i{width:7px;height:7px;border-radius:50%;background:#174c3b}.wh-art-web,.wh-art-system,.wh-art-ai{position:absolute;background:#f9faf6;border:1px solid #c5cec7;border-radius:12px;box-shadow:0 12px 28px #182d290a}.wh-art-web{left:6%;top:15%;width:65%;transform:rotate(-4deg)}.wh-art-system{right:5%;bottom:16%;width:46%;transform:rotate(5deg);background:#d9e5db}.wh-art-ai{left:7%;bottom:12%;width:43%;background:#f5f4ef;transform:rotate(-2deg)}.wh-hero-art svg{display:block;width:100%;height:auto}.wh-hero-art>div>span:first-child:not(:last-child){display:inline}.wh-art-web>span,.wh-art-system>span,.wh-art-ai>span{display:block;padding:12px 16px 0;font-size:10px;font-weight:700;letter-spacing:.08em;color:#174c3b}.wh-services{padding-block:32px 96px;scroll-margin-top:24px}.wh-section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:36px}.wa-home-study h2{font-size:clamp(28px,3vw,40px);line-height:1.45;letter-spacing:-.01em;font-weight:650;margin-top:12px}.wh-section-heading>p{font-size:15px;color:var(--wh-muted);padding-bottom:5px}.wh-service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.wh-service{background:#fff;border:1px solid var(--wh-rule);border-radius:12px;display:flex;flex-direction:column}.wh-service-art{background:var(--wh-wash);border-radius:11px 11px 0 0;aspect-ratio:1.6;display:grid;place-items:center}.wh-service-art svg{width:90%;height:100%;max-height:240px}.wh-service-body{padding:24px;display:flex;flex-direction:column;flex:1}.wh-service-label{display:flex;gap:14px;align-items:center;font-size:15px;color:var(--wh-primary);font-weight:700}.wh-service-label span{font-size:10px;letter-spacing:.06em}.wh-service h3{font-size:23px;line-height:1.5;letter-spacing:-.02em;margin-top:12px}.wh-service-body>p:not(.wh-service-label){color:var(--wh-muted);font-size:15px;line-height:1.9;margin-top:16px;margin-bottom:20px}.wh-service-body .wh-text-link{margin-top:auto;align-self:start}.wh-scope{background:#e5ebe4;padding-block:72px;scroll-margin-top:24px}.wh-scope-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:80px}.wh-scope-intro{color:var(--wh-muted);font-size:15px;margin-top:24px!important}.wh-facts>div{padding:22px 0;border-bottom:1px solid #b7c5ba}.wh-facts>div:first-child{padding-top:0}.wh-facts h3{font-size:19px;line-height:1.5;font-weight:650}.wh-facts p{color:var(--wh-muted);font-size:16px;margin-top:10px}.wh-contact{background:var(--wh-ink);color:#fff;padding-block:72px;scroll-margin-top:0}.wh-contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;align-items:center}.wh-contact .wh-kicker{color:#bfe3cd}.wh-contact h2{font-size:clamp(27px,2.7vw,38px)}.wh-contact-grid>div>p:not(.wh-kicker){margin-top:20px;color:#d1dfd5;font-size:15px}.wh-contact .wh-contact-note{font-size:14px!important;color:#b7cbbc!important}.wh-contact-details{border-left:1px solid #52685d;padding-left:48px;min-width:0}.wh-contact h3{font-size:14px;font-weight:500;color:#bfe3cd}.wh-email{font-size:clamp(19px,2.3vw,29px);font-weight:600;overflow-wrap:anywhere;margin-top:12px!important;letter-spacing:.01em}.wh-phone{font-size:22px;margin-top:2px!important}.wh-form-guide{margin-top:28px;border-top:1px solid #52685d;padding-top:20px}.wh-form-guide p{font-size:14px;margin-top:8px;color:#d1dfd5}.wh-footer{padding-block:32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}.wh-footer .wh-brand{font-size:17px}.wh-footer nav{gap:20px}.wh-footer p{font-size:12px;color:var(--wh-muted)}.wa-home-study a{transition:background-color .18s,color .18s}.wh-button:hover,.wh-nav-contact:hover{background:#256049}.wh-text-link:hover{color:#256049}.wh-header nav a:hover:not(.wh-nav-contact),.wh-footer nav a:hover{text-decoration:underline;text-underline-offset:5px}@media(max-width:1050px){.wh-container{width:calc(100% - 64px)}.wh-hero{gap:32px;padding-block:48px 64px}.wh-hero h1{font-size:clamp(34px,4.5vw,48px)}.wh-desktop-break{display:none}.wh-brand{font-size:17px}.wh-header nav{gap:18px}.wh-header .wh-nav-contact{padding-inline:14px}.wh-actions{gap:14px}.wh-service-grid{gap:16px}.wh-service-body{padding:20px}.wh-service h3{font-size:21px}.wh-scope-grid{gap:40px}.wh-contact-grid{gap:40px}.wh-contact-details{padding-left:32px}.wh-service-label{gap:8px}.wh-service-label span{font-size:9px}.wh-section-heading{gap:24px}.wh-section-heading>p{max-width:340px}}@media(max-width:760px){.wh-container{width:calc(100% - 40px)}.wh-preview{padding:8px 20px;font-size:10px}.wh-preview span{display:block;margin-left:0;font-size:12px}.wh-header{padding-block:16px;flex-wrap:wrap;gap:12px}.wh-brand{font-size:18px;gap:10px}.wh-brand-symbol{width:34px;height:34px;font-size:23px}.wh-header nav{width:100%;justify-content:space-between;gap:10px}.wh-header nav a{font-size:14px}.wh-header .wh-nav-contact{background:transparent;color:var(--wh-primary);padding:0;gap:8px}.wh-hero{grid-template-columns:1fr;gap:32px;padding-block:40px 48px}.wh-hero h1{font-size:clamp(32px,8.7vw,46px);line-height:1.4;margin-top:16px}.wh-lead{font-size:16px;margin-top:20px!important}.wh-actions{margin-top:24px;gap:12px 20px}.wh-button{font-size:14px;padding-inline:18px;gap:16px;min-height:50px}.wh-hero-note{font-size:12px;margin-top:14px!important}.wh-hero-art{max-width:520px;width:100%;justify-self:center;aspect-ratio:1.16}.wh-art-header{top:18px;left:20px;right:20px;font-size:10px}.wh-art-footer{bottom:14px;left:20px;font-size:12px}.wh-art-web>span,.wh-art-system>span,.wh-art-ai>span{padding:9px 12px 0;font-size:9px}.wh-services{padding-block:16px 56px}.wh-section-heading{display:block;margin-bottom:24px}.wa-home-study h2{font-size:28px}.wh-section-heading>p{max-width:none;margin-top:20px;font-size:14px}.wh-service-grid{grid-template-columns:1fr;gap:20px}.wh-service-art{aspect-ratio:1.85}.wh-service-art svg{max-height:200px;width:85%}.wh-service-body{padding:24px}.wh-service-label span{font-size:11px}.wh-service h3{font-size:23px}.wh-service-body>p:not(.wh-service-label){font-size:16px;margin-top:12px;margin-bottom:16px}.wh-scope,.wh-contact{padding-block:48px}.wh-scope-grid,.wh-contact-grid{grid-template-columns:1fr;gap:32px}.wh-scope-intro{margin-top:16px!important}.wh-facts h3{font-size:18px}.wh-contact h2{font-size:27px}.wh-contact-details{border-left:0;border-top:1px solid #52685d;padding-left:0;padding-top:28px}.wh-email{font-size:25px}.wh-contact-grid>div>p:not(.wh-kicker){margin-top:16px}.wh-footer{display:block;padding-block:28px}.wh-footer nav{gap:20px;margin-top:12px;flex-wrap:wrap}.wh-footer nav a{font-size:14px}.wh-footer p{margin-top:16px}.wh-kicker{font-size:12px}}/* Shared reading sizes and responsive composition for this isolated design study. */
.wh-header nav a,.wh-footer nav a,.wh-service-body>p:not(.wh-service-label),.wh-scope-intro{font-size:16px}
.wh-preview span,.wh-hero-note,.wh-footer p{font-size:14px}
.wh-service-label span{font-size:12px}
.wh-service-body .wh-ai-note{font-size:14px!important;padding-top:12px;border-top:1px solid var(--wh-rule);margin-top:0;margin-bottom:16px;line-height:1.7}
@media(min-width:761px) and (max-width:1000px){
 .wh-hero{grid-template-columns:1fr;gap:36px;padding-block:48px 64px}
 .wh-hero h1{font-size:48px}
 .wh-hero-copy{max-width:620px}
 .wh-hero-art{max-width:520px;width:100%;justify-self:center;aspect-ratio:1.08}
 .wh-art-web{width:62%;top:14%}
 .wh-art-system{width:43%;bottom:18%}
 .wh-art-ai{width:40%;bottom:16%}
 .wh-service-grid{grid-template-columns:1fr;gap:20px}
 .wh-service{display:grid;grid-template-columns:250px minmax(0,1fr)}
 .wh-service-art{aspect-ratio:auto;border-radius:11px 0 0 11px}
 .wh-service-art svg{width:100%;height:auto;max-height:none}
 .wh-service-body{padding:24px 28px}
 .wh-service h3{font-size:24px}
 .wh-service-label span{font-size:12px}
 .wh-service-body>p:not(.wh-service-label){margin-top:12px;margin-bottom:16px}
 .wh-section-heading>p{max-width:340px;text-wrap:pretty}
 .wh-scope-grid{grid-template-columns:1fr 1.5fr;gap:32px}
 .wh-scope-intro{max-width:240px;text-wrap:pretty}
 .wh-contact-grid{grid-template-columns:1fr;gap:32px}
 .wh-contact-details{border-left:0;border-top:1px solid #52685d;padding:28px 0 0}
}
@media(max-width:760px){
 .wh-service-art{aspect-ratio:2.25}
 .wh-service-art svg{max-height:155px;width:80%}
 .wh-service-body{padding:20px 24px}
 .wh-service-label span{font-size:12px}
 .wh-hero-note,.wh-preview span{font-size:14px}
 .wh-header nav a,.wh-footer nav a{font-size:15px}
 .wh-section-heading>p{font-size:16px}
}
@media(prefers-reduced-motion:reduce){.wa-home-study a{transition:none}}