/* v0.4：公开层独立视觉原型。正式品牌 tokens 与旧业务样式不变。 */
:root{--paper:#fff;--ink:#141817;--teal:#0e4f4a;--line:#d0d4d2;--muted:#616765;--black:#101515;--serif-cn:"Songti SC","STSong","Noto Serif CJK SC",serif;--serif-en:"Bodoni 72","Didot","Times New Roman",serif;--sans:"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}img{display:block;max-width:100%;height:auto}a:focus-visible,button:focus-visible{outline:2px solid var(--teal);outline-offset:5px}.site-footer a:focus-visible,.consulting-feature a:focus-visible,.teal a:focus-visible{outline-color:#fff}[hidden]{display:none!important}h1,h2,h3,p,figure{margin:0}h1,h2,h3{text-wrap:balance}h1,h2{font-family:var(--serif-cn);font-weight:500}h1{font-size:2.6rem;line-height:1.3}h2{font-size:1.9rem;line-height:1.5}h3{font-size:1.3rem;font-weight:500;line-height:1.5}p{overflow-wrap:break-word}em{font-weight:400}.wrap{width:min(1320px,calc(100% - 40px));margin-inline:auto}.reading-wrap{width:min(730px,calc(100% - 40px));margin-inline:auto}.eyebrow{font-size:.66rem;letter-spacing:.12em;line-height:1.6;font-weight:500}.caption{font-size:.8rem;color:var(--muted)}.screen{min-height:50vh}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:#fff;padding:12px 20px}.skip-link:focus{top:0}
.prototype-banner{background:#f0f2f1;border-bottom:1px solid #e3e6e4;display:flex;align-items:center;justify-content:space-between;padding:0 20px;gap:10px;font-size:.65rem;min-height:32px;color:#58615c}.prototype-banner button{border:0;color:inherit;background:none;font-size:inherit;min-height:44px;padding:0 4px}.review-panel{background:#f0f2f1;padding:20px;border-bottom:1px solid var(--line);font-size:.875rem}.review-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.review-actions a{border:1px solid var(--line);min-height:44px;padding:8px 12px}.site-header{background:#fff}.header-inner{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;min-height:82px;border-bottom:1px solid var(--ink)}.brand{display:flex;align-items:center;width:216px;min-height:64px}.brand img{width:100%}.menu-toggle{border:0;background:none;padding:0;display:flex;gap:8px;align-items:center;min-height:44px;font-size:.8rem}.primary-nav{display:none;width:100%;padding:12px 0;border-top:1px solid var(--line)}.primary-nav.open{display:flex;flex-direction:column}.primary-nav a{display:inline-flex;align-items:center;min-width:44px;min-height:48px;font-size:.78rem}.primary-nav a[aria-current="page"]{text-decoration:underline;text-underline-offset:8px}.member-link{gap:12px}
.masthead{padding-block:28px}.masthead-word{font-family:var(--serif-en);font-weight:400;font-size:clamp(30px,9.8vw,146px);letter-spacing:-.04em;line-height:1.1;text-align:center;white-space:nowrap;color:#101515}.masthead-word em{font-weight:400}
.cover{position:relative;isolation:isolate;overflow:hidden;background:#e7ebec;min-height:555px}.cover-image{width:100%;height:310px;object-fit:cover;object-position:70% center;position:absolute;bottom:0;z-index:-1}.cover-copy{padding:24px 20px;position:relative}.cover-copy .eyebrow{display:flex;align-items:center;gap:8px}.orange-line{width:17px;height:2px;background:#d96b3b;display:inline-block}.cover h1{font-size:2.4rem;line-height:1.25;letter-spacing:-.025em;margin:20px 0 12px}.cover-english{font-family:var(--serif-en);font-size:1.5rem;line-height:1.08}.cover-english br{display:none}.cover-english em{font-style:italic}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:48px;padding:10px 19px;background:var(--teal);border:1px solid var(--teal);color:#fff;font-size:.78rem;transition:background .2s}.button:hover{background:#172321}.cover .button{margin-top:23px;background:#141a19;border-color:#141a19}.cover .button:hover{background:var(--teal)}.cover-credit{position:absolute;bottom:12px;left:20px;font-size:.54rem;letter-spacing:.09em;color:#34443f;background:#ffffffbf;padding:3px 6px}.cover-caption{display:flex;justify-content:space-between;gap:30px;padding:20px 0 32px;border-bottom:1px solid var(--ink)}.cover-caption p{font-size:1rem;color:#414b47;line-height:1.8}.caption-index{display:none}
.section-block{padding-block:48px 60px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px}.section-head h2{margin-top:10px}.section-display{font-family:var(--serif-en);font-size:3.1rem;line-height:1.1;font-weight:400;letter-spacing:-.045em}.text-link{display:inline-flex;align-items:center;gap:20px;min-height:44px;font-size:.8rem;line-height:1.6;text-decoration:underline;text-underline-offset:7px;text-decoration-thickness:1px}.text-link:hover{color:var(--teal)}.editorial-grid{display:grid;gap:40px}.lead-story{position:relative;display:block}.story-image{position:relative;overflow:hidden;aspect-ratio:1.42;background:#121918;margin-bottom:18px}.story-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.lead-story:hover img,.small-story:hover img{transform:scale(1.025)}.image-label{position:absolute;bottom:15px;left:20px;color:#fff;letter-spacing:.12em;font-size:.6rem}.story-meta{font-size:.68rem;color:var(--muted);margin-bottom:10px;letter-spacing:.03em}.story-meta span{float:right}.lead-story h3{font-family:var(--serif-cn);font-size:1.65rem;line-height:1.5;margin-bottom:12px;padding-right:20px}.lead-story p{font-size:1rem;color:var(--muted);max-width:560px}.read-arrow{position:absolute;right:0;bottom:52px;font-size:1.7rem}.small-story{display:block}.story-index{display:block;font:3rem/1 var(--serif-en);color:#8b9690;margin-bottom:22px}.story-summary{font-size:1rem;color:var(--muted);margin-block:16px 22px;max-width:290px}.portrait{aspect-ratio:1.6;background:#e4e9e9}.portrait img{object-position:85% center}.small-story h3{font-family:var(--serif-cn);font-size:1.55rem;line-height:1.6;margin:8px 0}.editor-note{margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.editor-note>p:last-child{font-family:var(--serif-cn);font-size:1.15rem;margin-top:12px}
.consulting-feature{background:#111818;color:white;padding-block:40px}.consulting-layout{display:grid;gap:36px}.consulting-visual{position:relative;min-height:260px;background:#121c1d;overflow:hidden}.consulting-visual img{width:100%;height:100%;object-fit:cover;min-height:260px}.consulting-visual>span{position:absolute;left:18px;bottom:18px;color:#dae2de;font-size:.6rem}.consulting-copy{padding:0 0 10px}.consulting-copy>.eyebrow{color:#a6bcb7}.consulting-copy h2{font-size:2.8rem;line-height:1.3;margin:26px 0}.consulting-copy h2 em{font-style:normal;color:#a0c0b7}.consulting-copy>p:not(.eyebrow){font-size:1rem;line-height:1.9;color:#bbc6c3;max-width:360px}.consulting-copy .text-link{margin-top:24px}.consulting-copy .text-link:hover{color:#dcebe3}
.project-editorial{padding-top:56px;padding-bottom:44px}.project-editorial .section-head{align-items:start}.project-editorial .section-head>span{display:none}.project-word{font-family:"Helvetica Neue",Arial,sans-serif;font-weight:400;font-size:15vw;letter-spacing:-.07em;line-height:1.1;color:var(--teal);border-bottom:1px solid var(--ink);padding-bottom:24px;position:relative}.project-word span{font-size:.8rem;vertical-align:top;letter-spacing:0;margin-left:3px}.project-editorial-bottom{display:grid;gap:22px;padding-top:24px}.project-editorial-bottom h2{font-size:2rem}.project-editorial-bottom p{font-size:1rem;color:var(--muted)}.project-editorial-bottom .text-link{margin-top:8px}.contact-strip{border-top:1px solid var(--line);padding-block:34px 48px;display:flex;align-items:center;justify-content:space-between;gap:20px}.contact-strip h2{margin-top:12px;font-size:1.5rem}.circle-link{border:1px solid var(--ink);width:54px;height:54px;flex:none;border-radius:50%;display:grid;place-items:center;font:1.6rem var(--sans);transition:background .2s}.circle-link:hover{background:var(--teal);color:#fff}
.site-footer{background:#101515;color:#f3f6f4;padding:38px 0 60px;font-size:.8rem}.footer-statement{font-family:var(--serif-en);font-size:2.25rem;line-height:1.2;font-weight:400;letter-spacing:-.02em;padding-bottom:34px;border-bottom:1px solid #39413e}.footer-statement em{display:block;color:#bacbc5}.footer-statement>span{display:none}.footer-top{display:flex;flex-direction:column;gap:24px;padding:28px 0}.footer-name{font-size:1.4rem;letter-spacing:.14em}.footer-english{font-size:.62rem;letter-spacing:.14em;margin:8px 0 14px;color:#a7b4ae}.footer-top>div>p:last-child{color:#a7b4ae}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 28px}.footer-links a{min-height:44px;display:flex;align-items:center}.footer-bottom{border-top:1px solid #39413e;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.62rem;color:#a7b4ae}.footer-bottom a{min-height:44px;display:flex;align-items:center}.review-status{position:fixed;bottom:8px;right:10px;z-index:30;background:#fff;border:1px solid #d0d4d2;padding:3px 8px;font-size:.6rem;color:#626a66;max-width:calc(100% - 20px);pointer-events:none}
.page-intro{padding-top:46px;padding-bottom:32px}.page-intro h1{margin:20px 0}.page-intro h1 em{font-style:normal;color:var(--teal)}.intro-description{max-width:680px;color:var(--muted);font-size:1rem}.draft-note{font-size:.8rem;margin-top:18px;padding:12px 0;border-top:1px solid var(--line);color:var(--muted)}.article-list{padding-bottom:60px}.article-row{display:grid;grid-template-columns:28px 1fr 24px;gap:12px;align-items:center;padding:30px 0;border-top:1px solid var(--line)}.row-index{align-self:start;font-family:var(--serif-en);font-size:1.4rem}.article-row h2{font-size:1.5rem;margin-bottom:12px}.article-row p:not(.story-meta){color:var(--muted);font-size:1rem}.row-arrow{font-size:1.6rem}.empty-state{padding-block:70px;max-width:760px}.empty-state h2{margin:12px 0}.empty-state p{margin-bottom:22px}.empty-state .caption{margin-top:20px}.back-link{display:inline-flex;align-items:center;min-height:44px;margin:24px 0;font-size:.8rem}.article-header{padding-block:20px 30px}.article-header h1{margin:20px 0 28px}.article-byline{display:flex;flex-wrap:wrap;gap:16px;font-size:.8rem;color:var(--muted)}.article-body{padding-block:8px 32px}.article-body p{margin:0 0 26px;font-size:1.0625rem;line-height:1.95}.article-body .article-lead{font-size:1.25rem;line-height:1.8}.article-body h2{margin:40px 0 20px;font-size:1.7rem}.article-body blockquote{font-family:var(--serif-cn);font-size:1.6rem;line-height:1.7;margin:32px 0;padding:18px 0 18px 24px;border-left:2px solid var(--teal)}.article-end{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:20px 0 60px;font-size:.7rem}.service-directory{display:grid;gap:20px;padding-bottom:64px}.service-card{padding:28px;background:#f0f3f2;border:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start;min-height:330px}.service-card h2{font-size:2.1rem;margin:28px 0 20px}.service-card p{max-width:430px;margin-bottom:20px}.service-card .text-link{margin-top:auto}.teal{background:var(--teal);color:#fff;border-color:var(--teal)}.teal .text-link:hover{color:#fff}.detail-hero{padding-block:20px 44px}.detail-hero h1{margin:22px 0 24px}.detail-hero .button{margin-top:28px}.large-copy{font-size:1.08rem;line-height:1.9;max-width:660px}.detail-grid{border-top:1px solid var(--line);display:grid;gap:28px;padding-block:40px 64px}.detail-grid h2{margin-top:12px}.detail-grid h3{margin-bottom:12px}.detail-grid p{margin-bottom:26px}.button-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.project-feature{background:var(--teal);color:#fff;padding-block:44px}.project-parent{font-size:.85rem;margin:24px 0 16px;color:#c6d8d2}.project-english{font-family:var(--serif-en);font-size:2rem;margin-top:10px;letter-spacing:.03em}.project-detail .large-copy{margin-top:32px}.contact-grid{display:grid;gap:32px;padding-bottom:70px}.contact-context p{margin-top:20px}.contact-unavailable{padding:28px;border:1px solid var(--line);background:#f2f5f3}.contact-unavailable h2{font-family:var(--sans);font-size:1.4rem;margin:14px 0}.contact-unavailable .text-link{margin-top:20px}.member-preview{padding:28px;margin-bottom:64px;background:#f2f5f3;border:1px solid var(--line)}.member-preview p{margin-bottom:20px}.member-preview .caption{margin-top:20px}.error-number{font-family:var(--serif-en);font-size:6rem;line-height:1.2;color:var(--teal)}
@media(min-width:760px){
.wrap{width:min(1320px,calc(100% - 96px))}.reading-wrap{width:min(730px,calc(100% - 80px))}.masthead{padding-block:36px 40px}.masthead-word{font-size:clamp(68px,10.2vw,146px)}.masthead-word em{font-weight:400}.cover{min-height:470px;aspect-ratio:2.2;max-height:600px}.cover-image{inset:0;width:100%;height:100%;object-position:center}.cover-copy{padding:34px 36px;max-width:50%}.cover h1{font-size:clamp(2.6rem,4.1vw,3.8rem);margin:30px 0 22px;line-height:1.25}.cover-english{font-size:2.5rem}.cover-english br{display:initial}.cover .button{margin-top:28px}.cover-credit{left:auto;right:18px;bottom:16px}.cover-caption{padding:22px 0 32px;align-items:start}.cover-caption p{font-size:1rem}.caption-index{display:block;font-size:.62rem;letter-spacing:.12em;padding-top:5px}.section-block{padding-block:64px 76px}.section-head{margin-bottom:32px}.section-display{font-size:4.9rem}.editorial-grid{grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:42px}.lead-story .story-image{aspect-ratio:1.45}.lead-story h3{font-size:2rem;margin:12px 0}.lead-story p{font-size:1rem}.story-column{border-left:1px solid var(--line);padding-left:32px;display:flex;flex-direction:column;justify-content:space-between}.portrait{aspect-ratio:1.28}.small-story h3{font-size:2.5rem;line-height:1.45}.story-index{font-size:4.8rem}.editor-note{margin-top:24px}.consulting-feature{padding-block:64px}.consulting-layout{grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.consulting-visual{height:540px}.consulting-copy h2{font-size:3.6rem;line-height:1.35}.consulting-copy>p:not(.eyebrow){font-size:1rem}.project-editorial{padding-top:64px;padding-bottom:64px}.project-editorial .section-head>span{display:block}.project-word{font-size:clamp(100px,14.6vw,200px);padding-bottom:30px}.project-word span{font-size:1.4rem}.project-editorial-bottom{grid-template-columns:1fr 1.3fr auto;gap:30px;padding-top:32px;align-items:start}.project-editorial-bottom h2{font-size:2.4rem}.project-editorial-bottom p{font-size:1rem}.contact-strip{padding-block:46px 58px}.contact-strip h2{font-size:2.2rem}.circle-link{width:68px;height:68px;font-size:2rem}.site-footer{padding-top:44px}.footer-statement{font-size:5.8rem;padding-bottom:40px;display:flex;align-items:center;gap:25px}.footer-statement em{display:inline}.footer-statement>span{display:block;margin-left:auto;font-family:var(--sans);font-size:3rem}.footer-top{padding-block:32px;flex-direction:row;justify-content:space-between}.footer-links{column-gap:60px}.footer-bottom{align-items:center;justify-content:space-between}.page-intro{padding-block:70px 44px}h1{font-size:4.2rem}.intro-description{font-size:1.15rem}.article-row{padding:40px 0;grid-template-columns:60px 1fr 40px;gap:30px}.article-row h2{font-size:2.2rem}.row-index{font-size:2rem}.service-directory{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:80px}.service-card{padding:44px;min-height:430px}.service-card h2{font-size:3rem}.detail-hero{padding-block:30px 60px}.detail-grid{grid-template-columns:1fr 1.3fr;gap:80px;padding-block:56px 80px}.detail-grid h2{font-size:2.5rem}.contact-grid{grid-template-columns:1fr 1fr;gap:60px}.article-header h1{font-size:3.6rem}.member-preview{padding:40px}}
@media(min-width:1080px){.header-inner{min-height:86px;flex-wrap:nowrap}.brand{width:255px}.menu-toggle{display:none}.primary-nav,.primary-nav.open{display:flex;flex-direction:row;width:auto;padding:0;border:0;gap:36px;align-items:center}.primary-nav .member-link{border-left:1px solid var(--line);padding-left:30px}.cover-copy{padding:40px 48px}.cover h1{margin-top:34px}.cover-english{font-size:2.9rem}.story-column{padding-left:40px}.editorial-grid{gap:54px}}
.consulting-visual>span{color:#263c34;background:#ffffffd9;padding:4px 8px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}