:root{--article-navigation-max-width:76rem}.site-overlay-header{z-index:60;top:0;right:var(--home-page-pad,var(--page-padding,20px));left:var(--home-page-pad,var(--page-padding,20px));border-bottom:1px solid var(--home-line,var(--color-line,#d4d4d0));height:62px;position:absolute}.site-overlay-header__inner{justify-content:space-between;align-items:center;width:100%;height:100%;display:flex}.site-overlay-brand{color:inherit;letter-spacing:.08em;font-size:12px;font-weight:700;text-decoration:none}.site-overlay-article-navigation,.site-overlay-menu-label{display:none}.home-menu-trigger{width:44px;height:44px;color:inherit;cursor:pointer;font:inherit;background:0 0;border:0;border-radius:0;place-items:center;padding:0;display:grid}.home-menu-trigger:focus{outline:none}.home-menu-trigger:focus-visible{outline:2px solid var(--home-ink,var(--color-text,#111));outline-offset:4px}.home-menu-icon{flex-direction:column;justify-content:space-between;align-items:flex-end;width:22px;height:14px;display:flex}.home-menu-icon span{background:currentColor;width:100%;height:1px;transition:width .17s,translate .17s}.home-menu-icon span:nth-child(2){width:72%}.home-menu-trigger:hover .home-menu-icon span:first-child,.home-menu-trigger:focus-visible .home-menu-icon span:first-child{width:76%}.home-menu-trigger:hover .home-menu-icon span:nth-child(2),.home-menu-trigger:focus-visible .home-menu-icon span:nth-child(2){width:100%}.home-menu-trigger:hover .home-menu-icon span:last-child,.home-menu-trigger:focus-visible .home-menu-icon span:last-child{width:86%}.home-modal-backdrop{z-index:100;cursor:pointer;background:#11111194;align-items:end;padding:10px;animation:.18s both home-fade-in;display:grid;position:fixed;inset:0}.home-modal-panel{border:1px solid var(--home-line,var(--color-line,#d4d4d0));max-height:calc(100svh - 20px);color:var(--home-ink,var(--color-text,#111));background:var(--home-card,var(--color-surface,#fafaf8));cursor:default;animation:.28s cubic-bezier(.2,.75,.2,1) both home-modal-in;overflow:auto}.home-menu-modal .home-modal-panel{width:100%}.home-menu-head{z-index:2;border-bottom:1px solid var(--home-line,var(--color-line,#d4d4d0));color:var(--home-muted,var(--color-muted,#737373));background:var(--home-card,var(--color-surface,#fafaf8));letter-spacing:.14em;justify-content:space-between;align-items:center;padding:18px 20px;font-size:8px;display:flex;position:sticky;top:0}.home-menu-head button{width:46px;height:46px;color:inherit;cursor:pointer;font:inherit;background:0 0;border:0;border-radius:0;padding:0;font-size:24px;font-weight:300;line-height:1;transition:background .17s,rotate .17s}.home-menu-head button:hover,.home-menu-head button:focus-visible{background:#e9e9e5;rotate:6deg}.home-menu-list{display:grid}.home-menu-list a{border-bottom:1px solid var(--home-line,var(--color-line,#d4d4d0));color:inherit;letter-spacing:-.03em;grid-template-columns:32px 1fr auto;align-items:center;padding:14px 20px;font-size:clamp(20px,7vw,36px);font-weight:650;text-decoration:none;transition:background .17s,padding-left .17s,border-color .17s;display:grid}.home-menu-list a:focus-visible,.home-menu-head button:focus-visible{outline:2px solid var(--home-ink,var(--color-text,#111));outline-offset:4px}.home-menu-list a span{color:var(--home-muted,var(--color-muted,#737373));letter-spacing:.1em;font-size:8px}.home-menu-list a i{font-size:12px;font-style:normal;transition:translate .17s}.home-menu-list a:not([aria-current=page]):hover,.home-menu-list a:not([aria-current=page]):focus-visible{background:#ecece8;border-color:#aaa;padding-left:24px}.home-menu-list a:not([aria-current=page]):hover i,.home-menu-list a:not([aria-current=page]):focus-visible i{translate:4px}.home-menu-list a[aria-current=page]{color:#fff;background:var(--home-ink,var(--color-text,#111))}@media (width>=760px){.site-overlay-header{border-bottom:0;height:74px;left:0;right:0}.site-overlay-header__inner{border-bottom:0;width:min(100%,112rem);margin-inline:auto;padding-inline:clamp(1.5rem,3vw,3.5rem)}.site-overlay-brand{font-size:13px}.home-modal-backdrop{place-items:center;padding:4vw}.home-menu-modal .home-modal-panel{width:min(980px,100%)}.home-menu-list{grid-template-columns:1fr 1fr}.home-menu-list a{padding:17px 28px;font-size:28px}}@media (width<=759px){.site-overlay-header[data-article-mobile-nav-active=true]{top:0;right:max(var(--home-page-pad,var(--page-padding,20px)), env(safe-area-inset-right));left:max(var(--home-page-pad,var(--page-padding,20px)), env(safe-area-inset-left));height:calc(62px + 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minmax(0,1fr);justify-content:start;align-items:center;gap:.625rem;min-width:0;display:grid;position:relative;border-inline:0!important;width:auto!important;padding-inline:.625rem!important;font-size:.65rem!important;font-weight:700!important}.site-overlay-article-navigation__current span{white-space:nowrap}.site-overlay-article-navigation__current strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:inherit;overflow:hidden}.site-overlay-article-navigation__current i{background:var(--home-line,var(--color-line,#d4d4d0));pointer-events:none;height:2px;position:absolute;bottom:0;left:0;right:0;overflow:hidden}.site-overlay-article-navigation__current i b{background:currentColor;height:100%;display:block}.site-overlay-header[data-article-mobile-nav-active=true] .home-menu-trigger{justify-self:end;width:44px;min-width:44px}}@media (prefers-reduced-motion:reduce){.home-menu-icon span,.home-menu-head button,.home-menu-list a,.home-menu-list a i{transition-duration:1ms!important}.home-modal-backdrop,.home-modal-panel{animation-duration:1ms!important}}@keyframes home-fade-in{0%{opacity:0}}@keyframes home-modal-in{0%{opacity:0;transform:translateY(18px)scale(.985)}}:root{--color-bg:#f4f4f1;--color-surface:#fafaf8;--color-text:#111;--color-muted:#737373;--color-line:#d4d4d0;--space-1:.5rem;--space-2:.75rem;--space-3:1rem;--space-4:1.5rem;--space-5:2rem;--space-6:3rem;--space-7:4.5rem;--font-xs:.75rem;--font-sm:.875rem;--font-body:1rem;--font-lg:clamp(1.5rem, 5vw, 2.25rem);--font-display:clamp(3rem, 13vw, 7.5rem);--content-width:72rem;--reading-width:44rem;--page-padding:clamp(1.25rem, 5vw, 4.5rem)}*,:before,:after{box-sizing:border-box}html{background:var(--color-bg);scroll-behavior:smooth}body{min-height:100vh;color:var(--color-text);background:var(--color-bg);font-family:Inter,Helvetica Neue,Arial,Noto Sans JP,sans-serif;font-size:var(--font-body);margin:0;line-height:1.7}img{max-width:100%;display:block}a{color:inherit;text-underline-offset:.2em}a:hover{text-decoration-thickness:.12em}a:focus-visible{outline:2px solid var(--color-text);outline-offset:4px}h1,h2,h3,p{overflow-wrap:anywhere}.site-main{min-height:calc(100vh - 10rem)}.content-shell{width:min(100%, var(--content-width));padding-inline:var(--page-padding);margin-inline:auto}.section{padding-block:var(--space-6);border-top:1px solid var(--color-line)}.eyebrow{margin:0 0 var(--space-2);color:var(--color-muted);font-size:var(--font-xs);letter-spacing:.14em;text-transform:uppercase;font-weight:700}.page-intro{max-width:40rem;color:var(--color-muted)}.back-link{margin-top:var(--space-4);font-size:var(--font-xs);letter-spacing:.12em;font-weight:700;text-decoration:none;display:inline-block}.card-grid{gap:var(--space-3);display:grid}.entry-card{padding:var(--space-4);border:1px solid var(--color-line);background:var(--color-surface)}.entry-card h2{margin:var(--space-2) 0;font-size:var(--font-lg);line-height:1.15}.entry-card p{color:var(--color-muted)}.entry-card a{font-size:var(--font-xs);letter-spacing:.1em;font-weight:700}.meta-list{gap:var(--space-2);flex-wrap:wrap;padding:0;list-style:none;display:flex}.meta-list li{border:1px solid var(--color-line);color:var(--color-muted);font-size:var(--font-xs);padding:.25rem .5rem}.prose{width:min(100%, var(--reading-width));padding:var(--space-6) var(--page-padding) var(--space-7);margin-inline:auto}.prose h2{margin-top:var(--space-6);font-size:var(--font-lg);line-height:1.25}.prose p,.prose li{line-height:2}.simple-list{border-top:1px solid var(--color-line);display:grid}.simple-list a{padding:var(--space-4) 0;justify-content:space-between;gap:var(--space-3);border-bottom:1px solid var(--color-line);text-decoration:none;display:flex}@media 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