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li:before{content:"";background:var(--c-teal);border-radius:50%;width:6px;height:6px;position:absolute;top:.6em;left:0}.compare__col--alt li:before{background:var(--c-emerald)}.steps-light{gap:var(--s-5);counter-reset:sl;max-width:54rem;display:grid}.steps-light>li{counter-increment:sl;gap:var(--s-4);padding-bottom:var(--s-5);border-bottom:var(--hair);grid-template-columns:2.25rem 1fr;display:grid}.steps-light>li:last-child{border-bottom:0;padding-bottom:0}.steps-light__n{border:1.5px solid var(--c-teal);width:1.9rem;height:1.9rem;color:var(--c-teal-text);font-family:var(--f-mono);border-radius:50%;place-items:center;font-size:.78rem;font-weight:600;display:grid}.steps-light h3{margin-bottom:var(--s-2);font-size:1.12rem}.steps-light p{font-size:var(--t-small);line-height:1.58}.callout{max-width:52rem;padding:var(--s-5) var(--s-6);border-radius:var(--r-md);border:var(--hair);background:var(--c-paper)}.callout--caution{background:#b08d3f12;border-color:#d9c08a}.callout__h{font-family:var(--f-sans);font-size:var(--t-eyebrow);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;color:var(--c-teal-text);margin-bottom:var(--s-3);align-items:center;gap:.5rem;font-weight:600;display:flex}.callout--caution .callout__h{color:#7a6023}.callout p{font-size:var(--t-small);line-height:1.6}.callout p+p{margin-top:.8em}.definitions{border-top:var(--hair);max-width:54rem}.definitions>div{gap:var(--s-2) var(--s-5);padding:var(--s-5) 0;border-bottom:var(--hair);display:grid}@media (width>=44rem){.definitions>div{grid-template-columns:12rem 1fr}}.definitions dt{color:var(--c-ink);font-weight:650;font-size:var(--t-body)}.definitions dd{font-size:var(--t-small);color:var(--c-body);margin:0;line-height:1.6}.sources{border-top:var(--hair);gap:0;max-width:54rem;display:grid}.sources>li{align-items:baseline;gap:.35rem var(--s-4);padding:var(--s-4) 0;border-bottom:var(--hair);flex-wrap:wrap;justify-content:space-between;display:flex}.sources a{font-size:var(--t-small);font-weight:550}.sources__pub{font-size:var(--t-meta);color:var(--c-muted)}.related{margin-top:var(--s-9);padding-top:var(--s-7);border-top:2px solid var(--c-navy)}.related h2{font-family:var(--f-sans);font-size:var(--t-eyebrow);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;color:var(--c-muted);margin-bottom:var(--s-5);font-weight:600}.related__grid{gap:var(--s-5) var(--s-7);display:grid}@media (width>=44rem){.related__grid{grid-template-columns:repeat(2,1fr)}}@media (width>=68rem){.related__grid{grid-template-columns:repeat(3,1fr)}}.related__group h3{font-family:var(--f-sans);font-size:var(--t-meta);color:var(--c-ink);margin-bottom:var(--s-3);font-weight:650}.related__group li+li{margin-top:.5rem}.related__group a{font-size:var(--t-small)}.page-cta{margin-top:var(--s-9);background:var(--c-navy);border-radius:var(--r-lg);color:var(--c-on-navy);padding:clamp(1.75rem,4vw,2.75rem)}.page-cta h2{color:var(--c-paper);max-width:28ch;font-size:clamp(1.4rem,2.4vw,1.85rem)}.page-cta p{margin-top:var(--s-4);font-size:var(--t-small);max-width:46ch;color:var(--c-on-navy-mute);line-height:1.6}.page-cta .btn-row{margin-top:var(--s-6)}.page-meta{margin-top:var(--s-8);padding-top:var(--s-5);border-top:var(--hair);gap:var(--s-3) var(--s-6);font-size:var(--t-meta);color:var(--c-muted);flex-wrap:wrap;display:flex}.page-meta dt{font-weight:600;display:inline}.page-meta dd{margin:0;display:inline}.page-meta>div{gap:.4rem;display:flex}.diagram{max-width:var(--w-wide)}.diagram__frame{background:var(--c-paper);border:var(--hair);border-radius:var(--r-md);padding:clamp(1.25rem,3vw,2rem);overflow-x:auto}.diagram 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.basis__label{color:var(--c-emerald-text)}.basis--interpretation .basis__label{color:var(--c-teal-text)}.basis--thirdParty .basis__label{color:#566173}.basis__h{margin-bottom:var(--s-3);font-size:1.2rem}.basis p{font-size:var(--t-body);line-height:1.6}.basis p+p{margin-top:.9em}.byline{margin-top:var(--s-6);padding-top:var(--s-5);border-top:var(--hair);align-items:center;gap:var(--s-2) var(--s-5);font-size:var(--t-meta);color:var(--c-muted);flex-wrap:wrap;display:flex}.byline strong{color:var(--c-ink);font-weight:600}.byline__sep{color:#a9b7c2}.authorbox{margin-top:var(--s-9);background:var(--c-paper);border:var(--hair);border-radius:var(--r-md);gap:var(--s-5);padding:clamp(1.5rem,3vw,2rem);display:grid}@media (width>=40rem){.authorbox{gap:var(--s-6);grid-template-columns:6.5rem 1fr;align-items:start}}.authorbox__img{border-radius:var(--r-md);object-fit:cover;border:1px solid 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0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}h1,h2,h3,h4{font-family:var(--f-serif);color:var(--c-ink);font-weight:450;line-height:var(--lh-head);letter-spacing:var(--ls-head);font-optical-sizing:auto;text-wrap:balance}h1{font-size:var(--t-h1)}h2{font-size:var(--t-h2)}h3{font-size:var(--t-h3);font-weight:500}h4{font-size:var(--t-h4);font-family:var(--f-sans);letter-spacing:-.005em;font-weight:650}p{text-wrap:pretty}p+p{margin-top:1.1em}a{color:var(--c-teal-text);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--c-teal-deep)}strong{color:var(--c-ink);font-weight:650}.eyebrow{align-items:center;gap:var(--s-3);font-family:var(--f-sans);font-size:var(--t-eyebrow);letter-spacing:var(--ls-eyebrow);text-transform:uppercase;color:var(--c-teal-text);font-weight:600;line-height:1;display:flex}.eyebrow:before{content:"";background:var(--c-teal);opacity:.85;flex:none;width:1.75rem;height:2px}.eyebrow--plain:before{display:none}.eyebrow--on-navy{color:var(--c-teal-lift)}.eyebrow--on-navy:before{background:var(--c-teal-lift)}.lede{font-size:var(--t-lede);color:var(--c-body);line-height:1.5}.meta{font-size:var(--t-meta);color:var(--c-muted)}.wrap{width:100%;max-width:var(--w-wide);padding-inline:var(--gutter);margin-inline:auto}.wrap--content{max-width:var(--w-content)}.wrap--text{max-width:var(--w-text)}.wrap--prose{max-width:var(--w-prose)}.band{padding-block:var(--band-y)}.band--sunk{background:var(--c-canvas-sunk)}.band--paper{background:var(--c-paper)}.band--navy{background:var(--c-navy);color:var(--c-on-navy)}.band--navy h1,.band--navy h2,.band--navy h3{color:var(--c-paper)}.band--navy p{color:var(--c-on-navy)}.band--navy a{color:var(--c-teal-lift)}.band--rule-top{border-top:var(--hair)}.section-head{max-width:46rem}.section-head .eyebrow{margin-bottom:var(--s-4)}.section-head h2+p{margin-top:var(--s-4)}.btn{font-family:var(--f-sans);font-size:var(--t-small);letter-spacing:.005em;border-radius:var(--r-md);cursor:pointer;transition:background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:.55em;padding:.95em 1.5em;font-weight:600;line-height:1;text-decoration:none;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn__arrow{transition:transform .18s var(--ease)}.btn:hover .btn__arrow{transform:translate(2px)}.btn--primary{background:var(--c-navy);color:var(--c-paper)}.btn--primary:hover{color:var(--c-paper);background:#143050}.btn--secondary{color:var(--c-ink);background:0 0;border-color:#c3cfd8}.btn--secondary:hover{background:var(--c-paper);border-color:var(--c-teal);color:var(--c-teal-deep)}.btn--on-navy{background:var(--c-paper);color:var(--c-navy)}.btn--on-navy:hover{background:var(--c-warm-white);color:var(--c-navy)}.btn--ghost-navy{color:var(--c-on-navy);border-color:var(--c-navy-rule);background:0 0}.btn--ghost-navy:hover{background:var(--c-navy-raise);border-color:var(--c-teal-lift);color:var(--c-paper)}.btn-row{gap:var(--s-3);flex-wrap:wrap;display:flex}.link-arrow{font-family:var(--f-sans);font-size:var(--t-small);color:var(--c-teal-text);align-items:center;gap:.4em;font-weight:600;text-decoration:none;display:inline-flex}.link-arrow:after{content:"→";transition:transform .18s var(--ease)}.link-arrow:hover:after{transform:translate(3px)}.link-arrow:hover{text-underline-offset:.2em;text-decoration:underline}.site-header{z-index:50;backdrop-filter:saturate(1.4)blur(10px);border-bottom:var(--hair);background:#f7f5f0eb;position:sticky;top:0}.site-header__inner{justify-content:space-between;align-items:center;gap:var(--s-5);min-height:4.5rem;display:flex}.brand{font-family:var(--f-serif);letter-spacing:-.02em;color:var(--c-ink);white-space:nowrap;align-items:baseline;gap:.5rem;font-size:1.2rem;font-weight:500;text-decoration:none;display:inline-flex}.brand__mark{color:var(--c-gold-text);font-size:.95rem;font-weight:600;font-family:"Noto Serif JP Subset", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif CJK JP", "Noto Sans CJK JP", "PingFang SC", var(--f-serif), serif}.site-footer .brand__mark{color:var(--c-gold)}.nav{display:none}@media 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svg{transform:rotate(180deg)}.nav__panel{background:var(--c-paper);border:var(--hair);border-radius:var(--r-lg);min-width:17rem;box-shadow:var(--shadow-lift);padding:var(--s-2);display:none;position:absolute;top:calc(100% + .4rem);left:0}.nav__panel[data-open=true]{display:block}.nav__panel a{border-radius:var(--r-sm);font-size:var(--t-small);color:var(--c-ink);padding:.55rem .7rem;line-height:1.35;text-decoration:none;display:block}.nav__panel a:hover{background:var(--c-canvas-sunk);color:var(--c-teal-deep)}.header__cta{display:none}@media (width>=62rem){.header__cta{display:inline-flex}}.nav-toggle{border-radius:var(--r-md);font-size:var(--t-small);color:var(--c-ink);cursor:pointer;background:0 0;border:1px solid #c3cfd8;align-items:center;gap:.5rem;padding:.55rem .8rem;font-weight:600;display:inline-flex}@media (width>=78rem){.nav-toggle{display:none}}.mobile-nav{border-top:var(--hair);background:var(--c-paper);display:none}.mobile-nav[data-open=true]{display:block}@media 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.btn{width:100%}.hero{padding-top:clamp(3rem,7vw,5.5rem);padding-bottom:clamp(2.5rem,6vw,4.5rem);position:relative;overflow:hidden}.hero__rules{pointer-events:none;display:none;position:absolute;inset:0}@media (width>=75rem){.hero__rules{display:block}.hero__rules span{background:linear-gradient(180deg, transparent, var(--c-rule) 18%, var(--c-rule) 72%, transparent);opacity:.6;width:1px;position:absolute;top:0;bottom:0}}.hero__grid{align-items:center;gap:clamp(2.5rem,5vw,4rem);display:grid}@media (width>=60rem){.hero__grid{grid-template-columns:minmax(0,1.32fr) minmax(0,.88fr);gap:clamp(3rem,5vw,5rem)}}.hero__display{font-family:var(--f-serif);font-size:var(--t-display);font-weight:450;line-height:var(--lh-display);letter-spacing:var(--ls-display);color:var(--c-ink);margin-top:var(--s-5);text-wrap:balance}.hero__display em{color:var(--c-teal-deep);font-style:italic;font-weight:400}.hero__sub{margin-top:var(--s-5);max-width:34rem;font-size:var(--t-lede);color:var(--c-body);line-height:1.55}.hero .btn-row{margin-top:var(--s-6)}.hero__credibility{margin-top:var(--s-7);padding-top:var(--s-5);border-top:var(--hair);gap:var(--s-2) var(--s-5);font-size:var(--t-meta);color:var(--c-muted);flex-wrap:wrap;display:flex}.hero__credibility li{align-items:center;gap:.5rem;display:flex}.hero__credibility li:before{content:"";background:var(--c-emerald);border-radius:50%;flex:none;width:5px;height:5px}.portrait{max-width:26rem;margin-inline:auto;position:relative}.portrait__img{border-radius:var(--r-lg);border:1px solid var(--c-rule);width:100%;box-shadow:var(--shadow-card);background:var(--c-canvas-sunk)}.portrait__caption{margin-top:var(--s-3);font-size:var(--t-meta);color:var(--c-muted);align-items:flex-start;gap:.5rem;line-height:1.45;display:flex}.portrait__caption svg{color:var(--c-teal);flex:none;margin-top:.15em}.entity{gap:var(--s-6);background:var(--c-paper);border:var(--hair);border-left:3px solid var(--c-teal);border-radius:var(--r-md);align-items:start;padding:clamp(1.75rem,3.5vw,2.75rem);display:grid}@media (width>=52rem){.entity{gap:var(--s-8);grid-template-columns:minmax(0,15rem) minmax(0,1fr)}}.entity h2{font-size:clamp(1.5rem,2.4vw,1.9rem)}.entity__answer{color:var(--c-body);font-size:clamp(1.1rem,1.5vw,1.25rem);line-height:1.58}.entity__answer strong{color:var(--c-ink);font-weight:600}.entity__note{margin-top:var(--s-4);font-size:var(--t-meta);color:var(--c-muted)}.evidence-bar{gap:var(--s-5);display:grid}@media (width>=40rem){.evidence-bar{grid-template-columns:repeat(2,1fr)}}@media (width>=64rem){.evidence-bar{grid-template-columns:repeat(4,1fr)}}.evidence-item{padding-top:var(--s-4);border-top:2px solid var(--c-navy)}.evidence-item__label{font-size:var(--t-eyebrow);text-transform:uppercase;letter-spacing:.1em;color:var(--c-muted);margin-bottom:var(--s-2);font-weight:600}.evidence-item__value{font-family:var(--f-serif);color:var(--c-ink);font-size:1.2rem;font-weight:500;line-height:1.3}.evidence-item__src{margin-top:var(--s-2);font-size:var(--t-meta)}.grid{gap:var(--s-5);display:grid}.grid--2,.grid--3{grid-template-columns:1fr}@media (width>=44rem){.grid--2{grid-template-columns:repeat(2,1fr)}}@media (width>=56rem){.grid--3{grid-template-columns:repeat(3,1fr)}}.card{background:var(--c-paper);border:var(--hair);border-radius:var(--r-md);transition:border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);flex-direction:column;padding:clamp(1.5rem,2.5vw,2rem);display:flex}.card--link:hover{box-shadow:var(--shadow-card);border-color:#b6d0d6;transform:translateY(-2px)}.card__num{font-family:var(--f-mono);font-size:var(--t-meta);color:var(--c-teal-text);letter-spacing:.04em;margin-bottom:var(--s-4);font-weight:500}.card h3{margin-bottom:var(--s-3)}.card p{font-size:var(--t-small);line-height:1.6}.card__foot{padding-top:var(--s-5);margin-top:auto}.card__list{margin:var(--s-4) 0 0;gap:.4rem;display:grid}.card__list li{font-size:var(--t-small);color:var(--c-muted);padding-left:1.1rem;line-height:1.5;position:relative}.card__list li:before{content:"";background:var(--c-teal);width:5px;height:1px;position:absolute;top:.6em;left:0}.kicker{font-size:var(--t-eyebrow);text-transform:uppercase;letter-spacing:.1em;color:var(--c-teal-text);margin-bottom:var(--s-4);border-radius:var(--r-sm);background:#087f8c14;align-self:flex-start;align-items:center;padding:.3rem .55rem;font-weight:600;display:inline-flex}.kicker--planned{color:#7a6a2f;background:#b08d3f21}.pipeline{margin-top:var(--s-8);counter-reset:step}.pipeline__list{gap:0;display:grid;position:relative}@media (width>=60rem){.pipeline__list{gap:var(--s-4);grid-template-columns:repeat(5,1fr)}}.step{padding:var(--s-5) 0 var(--s-6) var(--s-7);position:relative}@media (width>=60rem){.step{padding:var(--s-7) var(--s-4) 0 0}}.step:before{content:"";background:var(--c-navy-rule);width:2px;position:absolute;top:2.9rem;bottom:-.5rem;left:11px}.step:last-child:before{display:none}@media (width>=60rem){.step:before{width:auto;height:2px;inset:11px 0 auto 2.6rem}}.step__dot{background:var(--c-navy);border:2px solid var(--c-teal-lift);width:24px;height:24px;font-family:var(--f-mono);color:var(--c-teal-lift);border-radius:50%;place-items:center;font-size:.7rem;font-weight:600;display:grid;position:absolute;top:1.6rem;left:0}@media (width>=60rem){.step__dot{top:0}}.step h3{color:var(--c-paper);margin-bottom:var(--s-3);font-size:1.15rem;font-weight:500}.step p{font-size:var(--t-small);color:var(--c-on-navy-mute);line-height:1.55}.faq{margin-top:var(--s-7);border-top:var(--hair);gap:0;display:grid}.faq__item{border-bottom:var(--hair)}.faq__item summary{justify-content:space-between;align-items:flex-start;gap:var(--s-5);padding:var(--s-5) 0;cursor:pointer;font-family:var(--f-serif);color:var(--c-ink);font-size:clamp(1.1rem,1.6vw,1.3rem);font-weight:500;line-height:1.35;list-style:none;display:flex}.faq__item summary::-webkit-details-marker{display:none}.faq__item summary:hover{color:var(--c-teal-deep)}.faq__icon{border:1px solid var(--c-rule);width:1.6rem;height:1.6rem;color:var(--c-teal-text);transition:transform .2s var(--ease), background-color .2s var(--ease);border-radius:50%;flex:none;place-items:center;margin-top:.1rem;display:grid}.faq__item[open] .faq__icon{background:var(--c-canvas-sunk);transform:rotate(45deg)}.faq__answer{padding-bottom:var(--s-6);max-width:var(--w-prose)}.faq__answer p{font-size:var(--t-body)}.faq__answer p+p{margin-top:.9em}.routes{gap:var(--s-4);margin-top:var(--s-7);display:grid}@media (width>=44rem){.routes{grid-template-columns:repeat(2,1fr)}}@media (width>=68rem){.routes{grid-template-columns:repeat(4,1fr)}}.route{gap:var(--s-2);padding:var(--s-5);background:var(--c-navy-raise);border:1px solid var(--c-navy-rule);border-radius:var(--r-md);transition:border-color .18s var(--ease), transform .18s var(--ease);flex-direction:column;text-decoration:none;display:flex}.route:hover{border-color:var(--c-teal-lift);transform:translateY(-2px)}.route__title{font-family:var(--f-serif);color:var(--c-paper);justify-content:space-between;align-items:center;gap:var(--s-3);font-size:1.15rem;font-weight:500;display:flex}.route__title span:last-child{color:var(--c-teal-lift);transition:transform .18s var(--ease)}.route:hover .route__title span:last-child{transform:translate(3px)}.route p{font-size:var(--t-small);color:var(--c-on-navy-mute);line-height:1.5}.quote{max-width:44rem}.quote blockquote{font-family:var(--f-serif);color:var(--c-ink);letter-spacing:-.012em;font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:400;line-height:1.42}.quote blockquote:before{content:"“";color:var(--c-teal);margin-right:.05em}.quote blockquote:after{content:"”";color:var(--c-teal)}.quote figcaption{margin-top:var(--s-5);font-size:var(--t-small);color:var(--c-muted)}.quote figcaption strong{color:var(--c-ink);font-weight:600;display:block}.site-footer{background:var(--c-navy);color:var(--c-on-navy-mute);padding-block:var(--s-9) var(--s-6)}.site-footer h2,.site-footer h3{color:var(--c-paper)}.footer__grid{gap:var(--s-7);display:grid}@media (width>=50rem){.footer__grid{gap:var(--s-6);grid-template-columns:1.4fr repeat(3,1fr)}}.footer__brand .brand{color:var(--c-paper);font-size:1.3rem}.footer__blurb{margin-top:var(--s-4);font-size:var(--t-small);max-width:24rem;line-height:1.6}.footer__col h3{font-family:var(--f-sans);font-size:var(--t-eyebrow);text-transform:uppercase;letter-spacing:.1em;color:var(--c-on-navy-mute);margin-bottom:var(--s-4);font-weight:600}.footer__col li+li{margin-top:.55rem}.footer__col a{font-size:var(--t-small);color:var(--c-on-navy);text-decoration:none}.footer__col a:hover{color:var(--c-teal-lift);text-underline-offset:.2em;text-decoration:underline}.footer__bottom{margin-top:var(--s-8);padding-top:var(--s-5);border-top:1px solid var(--c-navy-rule);gap:var(--s-4) var(--s-6);font-size:var(--t-meta);flex-wrap:wrap;justify-content:space-between;align-items:center;display:flex}.footer__legal{gap:var(--s-2) var(--s-5);flex-wrap:wrap;display:flex}.footer__legal a{color:var(--c-on-navy-mute);text-decoration:none}.footer__legal a:hover{color:var(--c-teal-lift)}.build-notice{color:#f2e4c9;font-size:var(--t-meta);background:#1b1206;border-bottom:1px solid #40301a;line-height:1.5}.build-notice__inner{gap:var(--s-4);padding-block:var(--s-4);align-items:flex-start;display:flex}.build-notice strong{color:#f8d98a;font-weight:650}.build-notice code{font-family:var(--f-mono);background:#ffffff17;border-radius:3px;padding:.1em .4em;font-size:.85em}