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.site-header{height:100px;padding:0 4.45%;position:absolute;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;color:#fff;border-bottom:1px solid #ffffff35;transition:background .3s,color .3s,height .3s}.site-header.is-scrolled{position:fixed;height:82px;color:var(--ink);background:#f7f8f5f5;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:13px;font-family:var(--english);font-size:30px;font-weight:800;letter-spacing:-1.8px;line-height:1}.brand small{display:block;font-family:var(--japanese);font-size:10px;letter-spacing:.11em;font-weight:500;margin-top:8px}.brand-dot{color:var(--orange)}.brand-mark{display:flex;flex-direction:column;gap:5px;width:29px;transform:skew(-16deg);padding-top:3px}.brand-mark i{height:7px;display:block;background:var(--orange)}.brand-mark i:nth-child(2){width:23px}.desktop-nav{display:flex;align-items:center;gap:36px;font-size:14px;font-weight:600}.desktop-nav>a{position:relative;transition:opacity .2s}.desktop-nav>a:not(.nav-contact):after{content:'';position:absolute;left:0;bottom:-9px;width:0;height:2px;background:var(--orange);transition:width .25s}.desktop-nav>a:hover:after,.desktop-nav>a.is-active:after{width:100%}.nav-contact{padding:15px 23px;border:1px solid #ffffff60;border-radius:30px;display:flex;gap:24px;align-items:center}.nav-contact:hover{background:var(--orange);color:var(--ink);border-color:var(--orange)}.is-scrolled .nav-contact{background:var(--ink);color:white}.mini-square{display:inline-block;flex:0 0 auto;width:7px;height:7px;background:currentColor;transition:transform .3s}.nav-contact:hover .mini-square,.solid-button:hover .mini-square{transform:rotate(90deg)}.menu-toggle{display:none;background:none;border:none;width:48px;height:48px}.mobile-menu{display:none}
.hero{min-height:780px;height:min(960px,100svh);position:relative;overflow:hidden;background:#133d5a;color:#fff}.hero-image{position:absolute;inset:-2%;background-image:url('./assets/architecture.png');background-size:cover;background-position:center 56%;transform:scale(1.015);animation:hero-arrive 1.6s ease-out both}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#061d2fba 0%,#06264175 48%,#09304408 100%),linear-gradient(0deg,#081b27b0,transparent 35%,#071b2540 100%)}.hero-content{position:relative;padding:207px 8.9% 135px;z-index:2}.eyebrow{font-family:var(--english);font-size:12px;letter-spacing:.14em;font-weight:700}.hero-eyebrow{display:flex;align-items:center;gap:18px;margin-bottom:30px;animation:slide-in .8s ease-out both}.tiny-cross{font-size:24px;font-weight:400;color:var(--orange)}h1{font-size:clamp(56px,6.65vw,106px);line-height:1.37;letter-spacing:-.045em;font-weight:800;margin:0 0 24px;animation:slide-in 1s .12s both}.orange-stop{color:var(--orange)}.hero-description{font-size:17px;font-weight:500;letter-spacing:.1em;line-height:1.95;margin:0 0 31px;animation:slide-in 1s .2s both}.hero-link{display:inline-flex;align-items:center;gap:32px;font-size:14px;letter-spacing:.04em;animation:slide-in 1s .3s both}.round-plus{display:flex;width:39px;height:39px;border:1px solid #ffffff70;border-radius:50%;align-items:center;justify-content:center;font-family:var(--english);font-size:24px;font-weight:400;line-height:1;transition:background .3s,transform .3s,color .3s}.hero-link:hover .round-plus{background:var(--orange);color:var(--ink);border-color:var(--orange);transform:rotate(90deg)}.hero-side{position:absolute;right:32px;top:45%;writing-mode:vertical-rl;font-family:var(--english);font-size:11px;letter-spacing:.25em}.hero-bottom{position:absolute;bottom:29px;left:4.45%;right:4.45%;border-top:1px solid #ffffff60;display:flex;justify-content:space-between;align-items:center;padding-top:23px;gap:24px}.scroll-cue{display:flex;align-items:center;gap:15px;font-family:var(--english);font-size:10px;letter-spacing:.13em;font-weight:600}.scroll-track{width:1px;height:36px;background:#ffffff50;position:relative;overflow:hidden}.scroll-track:after{content:'';position:absolute;top:0;width:1px;height:14px;background:var(--orange);animation:scroll-run 2.4s infinite}.hero-bottom p{margin:0;font-size:13px;line-height:1.8;letter-spacing:.05em}.hero-bottom p span{font-family:var(--english);font-size:9px;letter-spacing:.09em;color:#ffffffa6}.hero-page{font-family:var(--english);font-size:13px;letter-spacing:.12em}.hero-page i{font-style:normal;color:#ffffff70;margin:0 12px}.word-strip{overflow:hidden;background:var(--orange);padding:12px 0 14px;white-space:nowrap;border-bottom:1px solid #14191915}.word-strip div{width:max-content;font-family:var(--display);font-weight:600;font-size:52px;line-height:1;letter-spacing:.015em;animation:marquee 42s linear infinite}.word-strip span{color:transparent;-webkit-text-stroke:1px var(--ink);margin:0 26px}.word-strip:hover div{animation-play-state:paused}
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.company{background:var(--ink);color:var(--paper)}.company-inner{padding-top:104px;padding-bottom:112px;display:grid;grid-template-columns:1.2fr 1fr;gap:9%}.company .display-title{font-size:clamp(67px,6.3vw,96px)}.company h3{font-size:25px;line-height:1.7;margin:37px 0 22px;letter-spacing:-.04em}.company-intro>p:last-child{color:#b7beba;font-size:15px;margin:0;line-height:2.1}.company-profile{padding-top:61px;display:flex;flex-direction:column;justify-content:space-between}.profile-top{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid #ffffff30;padding-bottom:25px;gap:25px}.profile-cross{font-family:var(--english);font-size:75px;font-weight:400;line-height:.8;color:var(--orange)}.profile-top p{font-family:var(--english);font-size:19px;letter-spacing:.03em;line-height:1.4;margin:0}.profile-top small{display:block;font-family:var(--japanese);font-size:13px;margin-top:9px;text-align:right}.company dl{margin:15px 0 48px}.company dl>div{display:grid;grid-template-columns:110px 1fr;gap:15px;padding:23px 0;border-bottom:1px solid #ffffff25;font-size:15px;line-height:1.9}.company dt{color:#acb6af}.company dd{margin:0}.company dd a{text-decoration:underline;text-underline-offset:6px}.company dd a:hover{color:var(--orange)}.profile-bottom{font-family:var(--english);font-size:35px;font-weight:800;letter-spacing:-.06em;margin:0}.profile-bottom span{display:block;font-size:9px;letter-spacing:.13em;color:#a2ada6;margin-top:4px}
.recruit{padding-top:105px;padding-bottom:110px}.recruit-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px}.recruit-top .section-kicker{margin:0}.recruit-top>span{font-size:13px;color:var(--muted)}.recruit-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.recruit-heading{position:relative}.recruit-heading .display-title{font-size:clamp(135px,15vw,220px);line-height:.84;letter-spacing:-.025em;color:#dbe2dc;margin:0 0 15px}.recruit-heading h2{position:absolute;bottom:25px;left:25px;font-size:35px;line-height:1.7;letter-spacing:-.055em;margin:0}.recruit-tag{display:inline-block;font-size:13px;padding:6px 11px;border:1px solid var(--line);margin-bottom:23px}.recruit-copy p{font-size:15px;margin-bottom:21px}.solid-button{border:0;min-height:57px;padding:17px 24px;display:flex;align-items:center;justify-content:space-between;gap:30px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.dark-button{background:var(--ink);color:white}.dark-button:hover{background:#38433a}.recruit .solid-button{width:min(340px,100%);margin-top:28px}.recruit-copy .small-note{font-size:12px;color:var(--muted);line-height:1.7;margin:13px 0 0}
.contact{background:var(--orange);padding:98px 0 108px}.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:7%;align-items:start}.contact .section-dot{background:var(--ink)}.contact .display-title{font-size:clamp(85px,8.2vw,126px)}.contact .display-title>span{color:var(--paper)}.contact h3{font-size:24px;margin:31px 0 22px;letter-spacing:-.04em}.contact-intro>p:not(.section-kicker){font-size:15px;line-height:2}.contact-caption{margin-top:70px;display:flex;align-items:center;gap:24px;border-top:1px solid #12171730;padding-top:25px}.plus-large{font-family:var(--english);font-size:74px;line-height:1;font-weight:400}.contact-caption p{font-size:13px;line-height:1.8;margin:0}.contact-form{background:var(--paper);padding:36px 38px;box-shadow:0 15px 45px #85330f12}.form-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:27px}.form-heading h3{font-size:21px;margin:0}.form-heading>span{font-size:12px;color:var(--muted)}.contact-form>label,.form-row>label{display:block;font-size:14px;font-weight:500;margin-bottom:20px}.contact-form small{font-size:11px;font-weight:400;color:var(--muted);margin-left:3px}.contact-form input:not([type=radio]):not([type=checkbox]),.contact-form textarea{display:block;width:100%;background:white;border:1px solid #cbd2cb;border-radius:0;margin-top:10px;padding:12px 13px;min-height:46px;font-size:15px;color:var(--ink)}.contact-form input::placeholder,.contact-form textarea::placeholder{color:#858d86;font-size:14px}.contact-form textarea{resize:vertical;min-height:140px;line-height:1.7}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.inquiry-options{display:grid;grid-template-columns:1fr 1fr;gap:9px;border:0;padding:0;margin:0 0 22px}.inquiry-options legend{font-size:14px;font-weight:500;margin-bottom:12px}.inquiry-options label{position:relative;cursor:pointer}.inquiry-options input{position:absolute;width:1px;height:1px;opacity:0}.inquiry-options span{display:flex;align-items:center;gap:8px;padding:11px 13px;border:1px solid #cbd2cb;font-size:13px;background:white;transition:background .2s}.inquiry-options span:before{content:'';width:8px;height:8px;border-radius:50%;border:1px solid #9da99f}.inquiry-options input:checked+span{background:var(--ink);border-color:var(--ink);color:white}.inquiry-options input:checked+span:before{background:var(--orange);border-color:var(--orange)}.inquiry-options input:focus-visible+span{outline:3px solid #1c70dc;outline-offset:3px}.field-hint{display:flex;justify-content:space-between;gap:10px;font-size:11px;font-weight:400;color:var(--muted);margin-top:7px}.contact-form .privacy-check{display:flex;align-items:flex-start;gap:10px;font-size:12px;font-weight:400;line-height:1.8;margin-top:22px;margin-bottom:23px}.privacy-check input{accent-color:var(--ink);width:16px;height:16px;margin:3px 0 0;flex-shrink:0}.inline-button{border:0;background:none;padding:0;text-decoration:underline;text-underline-offset:3px;font:inherit}.submit-button{width:100%;background:var(--ink);color:white}.submit-button:hover{background:#38433a}.form-status{font-size:11px;color:var(--muted);margin:14px 0 0;line-height:1.7}
.site-footer{padding:58px 0 25px;background:var(--ink);color:#fff}.footer-top{display:flex;align-items:start;justify-content:space-between;gap:35px;border-bottom:1px solid #ffffff25;padding-bottom:43px}.footer-brand{font-family:var(--english);font-size:43px;line-height:1;font-weight:800;letter-spacing:-2.6px}.footer-brand>span{color:var(--orange)}.footer-brand small{display:block;font-family:var(--japanese);font-size:12px;letter-spacing:.03em;font-weight:400;margin-top:14px}.footer-top nav{display:grid;grid-template-columns:1fr 1fr;gap:18px 40px;font-size:13px}.footer-top nav a:hover{color:var(--orange)}.back-top{display:flex;gap:20px;align-items:center;font-family:var(--english);font-size:10px;letter-spacing:.08em}.back-top span{display:flex;align-items:center;justify-content:center;border:1px solid #ffffff50;border-radius:50%;width:39px;height:39px;font-size:25px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:25px;font-family:var(--english);font-size:10px;letter-spacing:.09em;color:#929e97}.footer-bottom p{margin:0}.footer-bottom small{font-size:10px}
.detail-dialog{color:var(--ink);border:0;max-width:660px;width:calc(100% - 40px);max-height:calc(100dvh - 60px);padding:50px;overscroll-behavior:contain;background:var(--paper)}.detail-dialog::backdrop{background:#071612aa;backdrop-filter:blur(8px)}.detail-dialog[open]{animation:dialog-in .25s ease-out}.dialog-close{position:absolute;right:18px;top:15px;width:36px;height:36px;background:none;border:1px solid #b8c1ba;border-radius:50%;font-size:25px;line-height:1}.detail-dialog .section-kicker{margin:5px 0 23px;color:#95603d;font-size:11px}.detail-dialog h2{font-size:30px;line-height:1.5;letter-spacing:-.04em;margin-bottom:24px}.detail-dialog>p:not(.section-kicker){font-size:15px}.service-consultation{border-top:1px solid var(--line);padding-top:23px;margin:26px 0}.service-consultation h3{font-size:15px;font-weight:600}.service-consultation ul{padding:0;list-style:none}.service-consultation li{font-size:14px;padding:12px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}.service-consultation li:before{content:'+';color:#b44715;font-family:var(--english);font-size:19px}.detail-dialog>.solid-button{width:100%}.review-dialog{max-width:720px}.review-dialog dl{margin:0}.review-dialog dl>div{padding:15px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:120px 1fr;gap:18px;font-size:14px;line-height:1.8}.review-dialog dt{color:var(--muted)}.review-dialog dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.review-dialog .delivery-note{font-size:13px!important;padding:16px;background:#e9ede8;margin-top:25px;line-height:1.8}.review-actions{display:flex;gap:18px;justify-content:space-between;align-items:center}.text-button{background:none;border:0;text-decoration:underline;text-underline-offset:5px;font-size:13px;padding:10px 0}.copy-feedback{font-size:13px!important;color:#305640;line-height:1.7;margin:15px 0 0}.privacy-copy p{font-size:14px;line-height:2}.copy-fallback{width:100%;height:200px;font-size:14px;margin-top:16px;padding:12px;border:1px solid var(--line)}
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease-out,transform .65s ease-out}.js .reveal.is-visible{opacity:1;transform:none}@keyframes slide-in{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@keyframes hero-arrive{from{transform:scale(1.07)}to{transform:scale(1.015)}}@keyframes marquee{to{transform:translateX(-50%)}}@keyframes scroll-run{0%{transform:translateY(-14px)}75%,100%{transform:translateY(50px)}}@keyframes dialog-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(min-width:1600px){.hero-content{padding-top:230px}.hero-description{font-size:19px}.hero{height:960px}.section-shell{width:min(1420px,calc(100% - 180px))}.business-visual{aspect-ratio:1.65}.company-inner{gap:12%}.intro{padding-top:150px;padding-bottom:145px}}
@media(max-width:1100px){.section-shell{width:calc(100% - 80px)}.desktop-nav{gap:22px}.hero-content{padding-left:8%;padding-top:205px}.hero{min-height:740px;max-height:900px}.intro-copy{gap:35px}.intro-copy p{font-size:14px}.desktop-break{display:none}.business-grid{gap:32px}.business-body h3{font-size:22px}.company-inner{gap:7%}.company .display-title{font-size:74px}.contact-layout{gap:5%;grid-template-columns:.9fr 1.2fr}.contact .display-title{font-size:86px}.contact-form{padding:30px 25px}.recruit-layout{gap:40px}.recruit-heading h2{font-size:31px;left:0}.recruit-heading .display-title{font-size:166px}}
@media(max-width:760px){html{scroll-padding-top:80px}.section-shell{width:calc(100% - 40px)}.site-header{height:80px;padding:0 22px}.site-header.is-scrolled{height:72px}.brand{font-size:25px;gap:10px}.brand small{font-size:9px;margin-top:6px}.brand-mark{width:23px;gap:4px}.brand-mark i{height:6px}.brand-mark i:nth-child(2){width:18px}.desktop-nav{display:none}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:7px;z-index:30;color:inherit}.menu-toggle span{width:25px;height:1px;background:currentColor;transition:transform .2s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}.menu-open .site-header{position:fixed;color:var(--ink);background:var(--paper);border-color:var(--line)}.mobile-menu{display:flex;position:fixed;inset:0;z-index:19;padding:125px 32px 60px;background:var(--paper);flex-direction:column;gap:0;overflow:auto}.mobile-menu>a{padding:23px 0;border-bottom:1px solid var(--line);font-size:25px;font-weight:600}.mobile-menu small{display:block;font-family:var(--english);font-size:11px;color:#a74c20;letter-spacing:.13em;margin-bottom:10px}.hero{height:calc(100svh - 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28px);max-height:calc(100dvh - 36px)}.detail-dialog h2{font-size:25px}.detail-dialog>p:not(.section-kicker){font-size:14px}.review-dialog dl>div{grid-template-columns:1fr;gap:6px}.review-actions{flex-direction:column-reverse;gap:15px;align-items:stretch}.review-actions .solid-button{justify-content:center}.service-consultation li{font-size:13px}.privacy-copy p{font-size:13px}}
@media(max-width:360px){.hero-content{padding-left:20px;padding-right:20px}.hero-eyebrow{font-size:8px}.hero-bottom{left:20px;right:20px}.hero-bottom p{font-size:9px}.hero-bottom p span{font-size:6px}.intro h2{font-size:23px}.company .display-title{font-size:68px}.contact .display-title{font-size:84px}.contact-form{padding:24px 18px}.form-heading h3{font-size:18px}.back-top{font-size:7px;gap:6px}}
/* Keep Japanese copy and working controls readable across all breakpoints. */
.intro-copy p,.business-body p,.company-intro>p:last-child,.recruit-copy p,.contact-intro>p:not(.section-kicker),.detail-dialog>p:not(.section-kicker),.privacy-copy p{font-size:16px}
.desktop-nav,.text-action,.hero-link,.footer-top nav,.inquiry-options span,.contact-form .privacy-check,.text-button,.service-consultation li,.review-dialog dl>div{font-size:14px}
.brand small,.section-kicker,.section-kicker small,.business-number small,.visual-label,.visual-foot,.recruit-top>span,.recruit-tag,.recruit-copy .small-note,.contact-form small,.field-hint,.form-status,.contact-caption p,.profile-bottom span,.detail-dialog .section-kicker,.footer-bottom,.footer-bottom small,.back-top,.scroll-cue,.hero-bottom p,.hero-bottom p span{font-size:12px}
@media(max-width:760px){.hero-eyebrow{font-size:12px;max-width:300px;line-height:1.8}.hero-side{display:none}.hero-bottom{gap:16px}.hero-bottom p span{display:none}.scroll-cue{font-size:12px;max-width:145px;line-height:1.8}.hero-bottom p{font-size:12px}.footer-top{position:relative}.back-top{font-size:10px}.recruit-top{flex-wrap:wrap}.field-hint{flex-wrap:wrap}.inquiry-options span{font-size:14px;padding:11px 9px}.hero-content{padding-top:175px}.brand small{font-size:10px}}
.section-heading>div,.company-inner>*,.recruit-layout>*,.contact-layout>*{min-width:0}
.business-feature{grid-column:1/-1;display:grid;grid-template-columns:1.08fr 1fr;gap:clamp(32px,5.2vw,80px);align-items:center}.business-feature .business-visual{aspect-ratio:1.3}.business-feature .business-body{padding:0}.business-feature h3{font-size:clamp(24px,2.25vw,34px);line-height:1.7}.business-feature .business-number{color:#a74417;margin-bottom:16px}.business-feature .signal-orbits b{font-size:clamp(100px,11vw,160px)}.business-feature .text-action{margin-top:29px}.inquiry-options label:first-of-type{grid-column:1/-1}
@media(max-width:760px){.business-feature{grid-template-columns:minmax(0,1fr);gap:28px}.business-feature .business-visual{aspect-ratio:1.35}.business-feature .visual-label,.business-feature .visual-foot{font-size:12px;letter-spacing:0;right:20px;line-height:1.7}.business-feature .visual-label{max-width:260px}.business-feature .signal-orbits b{font-size:106px}.business-feature h3{font-size:24px;letter-spacing:-.05em}.business-feature .text-action{font-size:14px;gap:12px}.business-feature .round-plus{flex-shrink:0}.hero-description{font-size:16px;letter-spacing:0}.hero-bottom p{max-width:190px}}
@media(max-width:360px){.business .display-title{font-size:66px}.company .display-title{font-size:57px}.recruit-heading .display-title{font-size:135px}.contact .display-title{font-size:70px}.inquiry-options{grid-template-columns:1fr}.company dl>div{grid-template-columns:80px 1fr;gap:10px}.hero-bottom p{font-size:12px}.scroll-cue{font-size:11px;max-width:125px}.footer-top{gap:25px}.footer-brand{font-size:34px}.back-top{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}