@charset "UTF-8";
:root{--ink:#263e55;--text:#2c3a47;--muted:#63717c;--paper:#fafafa;--line:#d9dfe4;--logo-red:#f24236;--accent:var(--logo-red);--red:#b8362b;--serif:"Songti SC","STSong","Noto Serif CJK SC",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;width:100%;height:100%;object-fit:cover}button,a,summary{-webkit-tap-highlight-color:transparent}::selection{background:var(--accent);color:var(--ink)}:focus-visible{outline:3px solid #b68c31;outline-offset:6px}.skip-link{position:fixed;left:18px;top:-80px;z-index:100;background:var(--ink);color:#fff;padding:12px 20px}.skip-link:focus{top:12px}
.site-header{height:104px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:var(--paper);position:relative;z-index:20}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:43px;height:48px;border:1px solid var(--ink);display:grid;place-items:center;font-family:var(--serif);font-size:29px;line-height:1}.brand-name{font-family:var(--serif);font-size:28px;font-weight:600;line-height:1.05;letter-spacing:3px}.brand-en{display:block;font:10px/1.5 var(--sans);font-size:12px;letter-spacing:1.8px;margin-top:7px}.site-header nav{display:flex;align-items:center;gap:38px;font-size:14px}.site-header nav>a{position:relative}.site-header nav>a:not(.nav-cta):after{content:"";position:absolute;left:0;right:100%;bottom:-5px;height:1px;background:var(--ink);transition:right .2s}.site-header nav>a:hover:after{right:0}.nav-cta{padding:10px 19px;border:1px solid var(--ink);margin-left:10px}.nav-cta span{margin-left:22px}.nav-cta:hover{background:var(--ink);color:#fff}.menu-toggle{display:none}
.hero{display:grid;grid-template-columns:46% 54%;min-height:635px}.hero-copy{padding:60px 35px 38px 10.85%;display:flex;flex-direction:column;align-items:flex-start}.eyebrow{font-size:12px;letter-spacing:2.4px;font-weight:500;margin:0 0 23px;line-height:1.6}.hero .eyebrow{font-size:14px;letter-spacing:3px;display:flex;align-items:center;gap:10px}.hero .eyebrow span{width:22px;height:1px;background:var(--ink)}h1,h2,h3,p{margin-top:0}h1{font-family:var(--serif);font-size:clamp(48px,4.65vw,76px);line-height:1.35;font-weight:500;letter-spacing:1px;margin:0 0 25px}.title-accent{position:relative;isolation:isolate;white-space:nowrap}.title-accent:after{content:"";height:13px;position:absolute;background:var(--accent);left:0;right:3px;bottom:6px;z-index:-1}.hero-description{font-size:16px;line-height:2;color:var(--muted);margin-bottom:28px}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:46px;padding:14px 22px;min-height:53px;font-size:14px;transition:background .2s,transform .2s}.button-dark{color:#fff;background:var(--ink)}.button-dark:hover{background:#39556d;transform:translateY(-2px)}.button span{font-size:20px}.hero-footnote{margin-top:auto;padding-top:45px;font-size:12px;letter-spacing:1px;color:var(--muted);display:flex;align-items:center;gap:11px}.tiny-line{width:24px;height:1px;background:var(--muted)}.hero-visual{position:relative;min-width:0;overflow:hidden}.hero-visual>img{position:absolute;inset:0;object-position:50% 50%}.image-shade{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,26,21,.48))}.image-caption{position:absolute;bottom:36px;left:36px;color:#fff}.image-caption>span{font-size:12px;letter-spacing:2px}.image-caption p{font-size:21px;font-family:var(--serif);margin:10px 0 0;line-height:1.6;letter-spacing:2px}.hero-corner{position:absolute;bottom:0;right:0;width:118px;height:118px;background:var(--accent);display:flex;flex-direction:column;justify-content:space-between;padding:17px 20px;line-height:1.3;font-size:12px;font-weight:600;letter-spacing:1.5px;transition:background .2s}.hero-corner>span:last-child{align-self:flex-end;font-size:27px;font-weight:400}.hero-corner:hover{background:var(--logo-red)}
.section-wrap{padding:98px 7.5%;max-width:1600px;margin:0 auto}h2{font-family:var(--serif);font-size:clamp(32px,3vw,45px);font-weight:500;line-height:1.5;letter-spacing:1px;margin-bottom:0}.approach{display:grid;grid-template-columns:35% 65%;gap:0}.approach .eyebrow{color:var(--muted)}.approach-content{padding-left:32px}.section-intro{font-size:19px;line-height:1.9;max-width:620px;margin-bottom:42px}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.principles article{border-top:1px solid var(--line);padding-top:18px}.principle-number{font-size:13px;letter-spacing:1px;color:#6f7b86}.principles h3{font-size:16px;font-weight:500;line-height:1.6;margin:16px 0 12px}.principles p{font-size:14px;line-height:1.9;color:var(--muted);margin-bottom:0}.inspiration{padding-top:68px;border-top:1px solid var(--line)}.section-top{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:38px}.section-top .eyebrow{color:var(--muted)}.section-aside{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 7px}.mobile-break{display:none}.projects{display:grid;grid-template-columns:1fr 1fr;gap:35px}.project-image{aspect-ratio:1.4;overflow:hidden;position:relative;background:#e3e6dd}.project-image img{transition:transform .7s ease}.project:hover .project-image img{transform:scale(1.025)}.image-label{position:absolute;left:18px;bottom:18px;font-size:12px;letter-spacing:1.5px;background:rgba(248,248,243,.94);padding:6px 13px}.project-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:21px}.project-heading h3{font-size:25px;font-family:var(--serif);font-weight:500;margin:0}.project-no{color:#73808b;font-size:13px}.project-meta{color:var(--muted);font-size:12px;letter-spacing:1.2px;margin:7px 0 16px}.project-description{font-size:15px;line-height:1.95;color:var(--muted);max-width:530px}.project-detail{border-top:1px solid var(--line);font-size:14px}.project-detail summary{padding:14px 0;cursor:pointer;display:flex;justify-content:space-between;align-items:center}.project-detail summary span{font-size:22px;line-height:1;transition:transform .2s}.project-detail[open] summary span{transform:rotate(45deg)}.project-detail>div{color:var(--muted);padding:0 8px 4px 0}.project-detail p{margin-bottom:12px}.photo-note{font-size:12px;color:var(--muted);margin:28px 0 0;text-align:right}summary{list-style:none}summary::-webkit-details-marker{display:none}
.process{background:var(--ink);color:#f6f8fa}.process-inner{display:grid;grid-template-columns:44% 56%;padding-top:88px;padding-bottom:88px}.process-intro .eyebrow{color:#c3cfda}.process-intro h2{margin-bottom:25px}.process-intro>p:not(.eyebrow){font-size:16px;line-height:1.9;color:#c3cfda;margin-bottom:28px}.text-link{display:inline-flex;gap:28px;font-size:14px;border-bottom:1px solid #899caf;padding-bottom:8px}.text-link:hover{color:var(--accent)}.process-steps{padding-top:2px}.process-steps details{border-top:1px solid #64768a}.process-steps details:last-child{border-bottom:1px solid #64768a}.process-steps summary{display:flex;align-items:center;gap:23px;padding:23px 0;cursor:pointer;font-size:20px}.step-number{font-size:13px;color:var(--logo-red);align-self:flex-start;padding-top:7px}.process-steps summary small{display:block;color:#c3cfda;font-size:12px;font-weight:400;letter-spacing:1px;margin-top:3px}.detail-symbol{width:16px;height:16px;margin-left:auto;position:relative;flex-shrink:0}.detail-symbol:before,.detail-symbol:after{content:"";position:absolute;width:12px;height:1px;background:#d8e0e7;left:2px;top:8px}.detail-symbol:after{transform:rotate(90deg);transition:transform .2s}.process-steps details[open] .detail-symbol:after{transform:rotate(0)}.step-content{padding:0 35px 25px 41px;color:#c3cfda;font-size:15px;line-height:1.9;max-width:620px}
.start{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-top:94px;padding-bottom:94px}.start .eyebrow{color:var(--muted)}.start-copy>p:last-child{color:var(--muted);font-size:16px;line-height:1.9;margin:24px 0 0}.brief-list{padding-top:10px}.brief-list>div{display:flex;gap:26px;border-bottom:1px solid var(--line);padding:19px 0}.brief-list>div:first-child{padding-top:0}.brief-list>div>span{font-size:13px;color:var(--muted);padding-top:3px}.brief-list p{font-size:14px;line-height:2;color:var(--muted);margin:0}.brief-list strong{font-weight:500;font-size:17px;color:var(--ink)}.site-footer{border-top:1px solid var(--line);margin:0 5%;padding:35px 2.78% 30px;display:flex;justify-content:space-between;align-items:flex-end;gap:25px}.footer-brand{font-size:27px;font-family:var(--serif);display:inline-flex;align-items:center;gap:20px}.footer-brand span{font-family:var(--sans);font-size:12px;letter-spacing:1.8px}.site-footer p{font-size:12px;color:var(--muted);margin:10px 0 0;letter-spacing:.5px}.footer-right{text-align:right}.footer-right>a{font-size:13px}.footer-right>a>span{margin-left:25px}.footer-right>p{margin-top:20px}
@media(min-width:1600px){.site-header{padding-left:max(5%,calc((100vw - 1440px)/2));padding-right:max(5%,calc((100vw - 1440px)/2))}.hero{max-width:1600px;margin:auto}.hero-copy{padding-left:12%}.hero{min-height:730px}}
@media(max-width:1050px){.site-header{height:90px;padding:0 5%}.site-header nav{gap:24px}.hero{min-height:600px;grid-template-columns:47% 53%}.hero-copy{padding-top:48px;padding-left:10.6%;padding-right:22px}h1{font-size:51px}.hero-description{font-size:15px}.hero-footnote{font-size:12px;letter-spacing:0;gap:6px}.tiny-line{width:12px}.section-wrap{padding:75px 6%}.approach{grid-template-columns:32% 68%}.approach-content{padding-left:25px}.principles{gap:18px}.principles h3{font-size:15px}.section-intro{font-size:17px}.projects{gap:25px}.project-heading h3{font-size:23px}.start{gap:45px}.hero-corner{width:104px;height:104px}}
@media(max-width:760px){html{scroll-padding-top:24px}.site-header{height:83px;padding:0 6%}.brand-mark{width:34px;height:39px;font-size:24px}.brand{gap:10px}.brand-name{font-size:25px}.brand-en{font-size:10px;letter-spacing:1.2px;margin-top:6px}.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;gap:7px;align-items:center;justify-content:center;cursor:pointer}.menu-toggle span{width:23px;height:1px;background:var(--ink);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)}.site-header nav{display:none;position:absolute;top:83px;left:0;right:0;background:var(--paper);padding:18px 6% 28px;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #263e550a}.site-header nav.is-open{display:flex;align-items:stretch;flex-direction:column;gap:0}.site-header nav>a{padding:12px 0;font-size:16px}.site-header nav>a.nav-cta{margin:12px 0 0;padding:12px 16px;display:flex;justify-content:space-between}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:35px 7% 37px}.hero .eyebrow{font-size:12px;margin-bottom:21px}h1{font-size:clamp(46px,8.7vw,66px);line-height:1.35;letter-spacing:1px;margin-bottom:19px}.title-accent:after{height:10px;bottom:4px}.hero-description{font-size:15px;line-height:1.9;margin-bottom:23px}.hero-footnote{margin-top:0;padding-top:26px;font-size:12px}.hero-visual{height:440px}.hero-visual>img{object-position:50% 55%}.hero-corner{width:103px;height:103px}.image-caption{left:25px;bottom:26px}.image-caption p{font-size:20px}.section-wrap{padding:62px 7%}.approach{grid-template-columns:1fr;gap:25px}h2{font-size:32px;line-height:1.5}.eyebrow{font-size:12px;margin-bottom:17px;letter-spacing:1.8px}.approach-content{padding-left:0}.section-intro{font-size:17px;margin-bottom:28px}.principles{gap:22px;grid-template-columns:1fr}.principles article{position:relative;padding:16px 0 0 35px}.principle-number{position:absolute;left:0;top:16px}.principles h3{font-size:17px;margin:0 0 8px}.principles p{font-size:15px}.section-top{display:block;margin-bottom:29px}.section-aside{display:none}.projects{grid-template-columns:1fr;gap:37px}.project-image{aspect-ratio:1.2}.project-heading{margin-top:18px}.project-heading h3{font-size:24px}.project-description{font-size:15px}.photo-note{text-align:left;font-size:12px;margin-top:25px}.process-inner{grid-template-columns:1fr;gap:38px}.process-intro>p:not(.eyebrow){margin-bottom:20px}.process-intro h2{margin-bottom:17px}.process-steps summary{font-size:19px;padding:22px 0}.step-content{font-size:15px;padding-right:10px}.start{grid-template-columns:1fr;gap:30px}.start-copy>p:last-child{font-size:15px;margin-top:21px}.brief-list{padding-top:0}.brief-list>div{gap:22px;padding:21px 0}.brief-list p{font-size:15px;line-height:1.9}.site-footer{margin:0 7%;padding:29px 0;display:block}.site-footer p{font-size:12px}.footer-right{text-align:left;display:flex;flex-direction:row-reverse;align-items:center;justify-content:space-between;margin-top:30px}.footer-right>p{margin:0}.footer-right>a>span{margin-left:12px}}
@media(max-width:380px){.hero-visual{height:365px}.hero-footnote{font-size:12px;gap:5px}.hero-footnote .tiny-line{display:none}.mobile-break{display:block}.footer-brand{gap:12px}.footer-brand span{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* RENU SOLUTION brand */
.site-header{background:#fff}.brand{width:185px;height:104px;position:relative;display:block;overflow:hidden}.brand-logo{position:absolute;width:185px;height:185px;object-fit:contain;top:-40px;left:0}.hero-corner{background:var(--red);color:white}.hero-corner:hover{background:#b93229}.footer-brand{font-family:var(--sans);font-size:20px;font-weight:650;letter-spacing:1.5px}.footer-phone{display:inline-block;font-size:14px;margin-top:12px}.footer-phone:hover{color:var(--red)}.eyebrow{color:var(--muted)}.hero .eyebrow{color:var(--ink)}.image-label{background:rgba(255,255,255,.95)}.process .eyebrow{color:#c3cfda}
@media(max-width:760px){.brand{width:145px;height:83px}.brand-logo{width:145px;height:145px;top:-28px}.site-header{padding-left:3.5%}}