:root{--paper: #ffffff;--paper-2: #f4f5f8;--paper-3: #e4e5f0;--ink: #131516;--ink-strong: #000000;--ink-2: #5b5b5b;--ink-3: #6b6f76;--line: #d7dae1;--brand: #1e489d;--brand-deep: #163a80;--brand-tint: #e4e5f0;--tint-slate: #eef0f5;--tint-paper: #f4f5f8;--tint-mist: #eaecf2;--tint-blue: #e4e5f0;--r-sm: 2px;--r-card: 3px;--r-md: 4px;--r-lg: 8px;--r-pill:999px;--shadow-sm: 0 1px 2px rgba(19,21,22,.05);--shadow-md: 0 2px 6px rgba(19,21,22,.04), 0 16px 40px rgba(19,21,22,.08);--maxw: 1200px;--read: 728px;--gap: 24px;--header-h: 68px;--ease: cubic-bezier(.16,1,.3,1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;font-family:Noto Sans JP,Inter,system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,.num,.eng,.brand-logo,.rank__no,.stat__num,.btn{font-family:Inter,Noto Sans JP,system-ui,sans-serif}h1,h2,h3,h4{font-feature-settings:"palt"}.hero__title,.section-title,.article-title,.cta-band__title,.list-head__title{text-wrap:balance}.eng,.meta,.rank__no,.stat__num,time{font-variant-numeric:tabular-nums}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:2px}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:2px}.cta-band :focus-visible,.footer :focus-visible{outline-color:#fff}img{max-width:100%;display:block}.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}@media(min-width:1024px){.container{padding-inline:40px}}.reading{width:100%;max-width:var(--read);margin-inline:auto;padding-inline:24px}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;line-height:1;padding:12px 20px;border-radius:var(--r-md);border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .15s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 2px 4px #163a8024,0 10px 24px #163a8038}.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}.btn--ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}.btn--light{background:#fff;color:var(--ink)}.btn--light:hover{background:var(--paper-2)}.btn--block{width:100%;justify-content:center}.header{position:sticky;top:0;z-index:50;background:#ffffffe6;backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid transparent;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.header.is-stuck{border-bottom-color:var(--line);box-shadow:0 1px #13151608}.header__inner{height:var(--header-h);display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand__logo{height:34px;width:auto;display:block;flex-shrink:0}.footer .brand__logo{height:36px}.brand__text{display:flex;flex-direction:column;line-height:1.05}.brand-logo{font-weight:800;font-size:1.12rem;letter-spacing:-.02em;color:var(--ink-strong)}.brand__sub{font-size:.66rem;color:var(--ink-2);letter-spacing:.06em;font-weight:500}.nav{display:flex;align-items:center;gap:26px;margin-left:auto}.nav__link{color:var(--ink);font-size:.9rem;font-weight:500;padding:6px 0;position:relative}.nav__link:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}.nav__link:hover{text-decoration:none;color:var(--brand)}.nav__link:hover:after{transform:scaleX(1)}.header__tools{display:flex;align-items:center;gap:12px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-md);background:transparent;border:1px solid transparent;color:var(--ink);cursor:pointer;transition:background-color .2s var(--ease)}.icon-btn:hover{background:var(--paper-2)}.icon-btn svg{width:20px;height:20px}.hamburger{display:none}.searchbar{display:none;border-top:1px solid var(--line);background:var(--paper)}.searchbar.is-open{display:block}.searchbar__inner{display:flex;align-items:center;gap:12px;padding:14px 0}.searchbar__field{flex:1;display:flex;align-items:center;gap:10px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-md);padding:10px 14px}.searchbar__field svg{width:18px;height:18px;color:var(--ink-3);flex-shrink:0}.searchbar__field input{border:0;background:transparent;outline:none;width:100%;font-family:inherit;font-size:.95rem;color:var(--ink)}.searchbar__field input::placeholder{color:var(--ink-3)}@media(max-width:600px){.header__tools .btn--primary{display:none}.header__tools{gap:4px}.header__inner{gap:12px}.brand__sub{display:none}.brand-logo{font-size:1.05rem}}.mobile-menu{display:none}@media(max-width:900px){.nav{display:none}.hamburger{display:inline-flex}.mobile-menu{display:block;position:fixed;inset:var(--header-h) 0 0;z-index:45;background:var(--paper);padding:24px;transform:translate(100%);transition:transform .28s var(--ease);overflow-y:auto}.mobile-menu.is-open{transform:translate(0)}.mobile-menu a{display:block;color:var(--ink);font-size:1.05rem;font-weight:600;padding:16px 0;border-bottom:1px solid var(--line)}.mobile-menu a:hover{text-decoration:none}.mobile-menu .btn{margin-top:24px}body.menu-open{overflow:hidden}}.section{padding-block:88px}@media(max-width:768px){.section{padding-block:56px}}.section--tint{background:var(--paper-2)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}.section-title{font-size:1.7rem;font-weight:800;letter-spacing:-.025em;margin:0;color:var(--ink-strong);display:flex;align-items:baseline;gap:12px}.section-title .eng{font-size:.72rem;font-weight:700;color:var(--brand);letter-spacing:.2em;text-transform:uppercase}.section-sub{margin:8px 0 0;color:var(--ink-2);font-size:.95rem}.section-link{font-size:.88rem;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;flex-shrink:0}.section-link svg{width:16px;height:16px;transition:transform .2s var(--ease)}.section-link:hover{text-decoration:none;color:var(--brand-deep)}.section-link:hover svg{transform:translate(3px)}@media(max-width:768px){.section-title{font-size:1.4rem}.section-head{align-items:flex-start}}.tag{display:inline-block;font-size:.72rem;font-weight:600;padding:4px 9px;border-radius:var(--r-sm);background:var(--paper);color:var(--brand);border:1px solid var(--line)}.tag--onthumb{background:#fffffff0;backdrop-filter:blur(2px)}.tag--new{background:var(--brand);color:#fff;border-color:transparent;letter-spacing:.06em}.meta{display:flex;align-items:center;gap:10px;color:var(--ink-3);font-size:.78rem}.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.6}.thumb{position:relative;aspect-ratio:16/10;border-radius:var(--r-card);overflow:hidden;background:var(--tint-paper);transition:box-shadow .3s var(--ease)}.thumb:before{box-shadow:inset 0 0 0 1px #13151612;border-radius:inherit}.thumb--img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .6s var(--ease)}.card:hover .thumb{box-shadow:var(--shadow-md)}.card:hover .thumb--img img{transform:scale(1.04)}.thumb__label{position:absolute;left:12px;top:12px;z-index:2;display:flex;gap:6px;align-items:center}.thumb:before{content:"";position:absolute;inset:0;z-index:1}.thumb:after{content:"";position:absolute;inset:0;z-index:1;opacity:.9}.thumb--slate{background:linear-gradient(135deg,#eef0f5,#dbe0ec)}.thumb--grey{background:linear-gradient(135deg,#f4f5f8,#e2e5ee)}.thumb--sky{background:linear-gradient(135deg,#e8edf7,#d2dbef)}.thumb--amber{background:linear-gradient(135deg,#e9ecf5,#ccd6ea)}.thumb--ink{background:linear-gradient(140deg,#1e489d,#163a80)}.thumb--slate:after{background:radial-gradient(circle at 82% 78%,transparent 34px,rgba(30,72,157,.13) 34px,rgba(30,72,157,.13) 35px,transparent 36px),radial-gradient(circle at 82% 78%,transparent 54px,rgba(30,72,157,.1) 54px,rgba(30,72,157,.1) 55px,transparent 56px)}.thumb--grey:after{background-image:radial-gradient(rgba(19,21,22,.12) 1.4px,transparent 1.4px);background-size:16px 16px;background-position:6px 6px;opacity:.6}.thumb--sky:after{background:repeating-linear-gradient(-45deg,rgba(30,72,157,.1) 0 2px,transparent 2px 18px)}.thumb--amber:after{background:radial-gradient(circle at 20% 84%,transparent 40px,rgba(30,72,157,.16) 40px,rgba(30,72,157,.16) 41px,transparent 42px)}.thumb--ink:after{background-image:radial-gradient(rgba(255,255,255,.14) 1.4px,transparent 1.4px);background-size:18px 18px;opacity:.5}.thumb__glyph{position:absolute;right:16px;bottom:14px;z-index:2;color:var(--brand);opacity:.22}.thumb--ink .thumb__glyph{color:#fff;opacity:.34}.thumb__glyph svg{width:44px;height:44px}.card{display:flex;flex-direction:column;background:transparent;border-radius:var(--r-card);transition:transform .18s var(--ease)}.card:hover{transform:translateY(-3px)}.card:hover .card__title{color:var(--brand)}.card__body{padding:16px 4px 0;display:flex;flex-direction:column;gap:8px}.card__title{font-size:1.02rem;font-weight:700;line-height:1.5;margin:0;color:var(--ink);transition:color .2s var(--ease);letter-spacing:-.01em}.card__excerpt{font-size:.86rem;color:var(--ink-2);margin:0;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hero{padding-top:64px;padding-bottom:84px;background:radial-gradient(1100px 480px at 88% -12%,rgba(30,72,157,.06),transparent 62%),var(--paper)}@media(max-width:768px){.hero{padding-top:36px;padding-bottom:48px}}.hero__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:56px;align-items:center}.hero__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:700;color:var(--brand);letter-spacing:.14em;margin-bottom:20px}.hero__eyebrow .bar{width:22px;height:2px;background:var(--brand)}.hero__title{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:900;line-height:1.28;letter-spacing:-.03em;margin:0 0 20px;color:var(--ink-strong)}.hero__title .accent{background:linear-gradient(transparent 62%,#1e489d38 62%)}.hero__lead{font-size:1.02rem;color:var(--ink-2);margin:0 0 28px;max-width:34ch}.hero__cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.pickup{display:grid;gap:16px;grid-template-columns:1fr 1fr}.pickup__feature{grid-column:1 / -1}.pickup__feature .thumb{aspect-ratio:16/9}.pickup__feature .card__title{font-size:1.22rem;line-height:1.45}.pickup__small .thumb{aspect-ratio:16/11}.pickup__small .card__title{font-size:.92rem}@media(max-width:768px){.hero__grid{grid-template-columns:1fr;gap:36px}.hero__lead{max-width:none}}@media(max-width:480px){.pickup{grid-template-columns:1fr}}.grid-articles{display:grid;gap:40px 28px;grid-template-columns:repeat(3,1fr)}@media(max-width:1024px){.grid-articles{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.grid-articles{grid-template-columns:1fr;gap:32px}}.cat-grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}@media(max-width:860px){.cat-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.cat-grid{grid-template-columns:1fr}}.cat{display:flex;align-items:center;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;transition:border-color .2s var(--ease),transform .18s var(--ease),box-shadow .2s var(--ease)}.cat:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-md);text-decoration:none}.cat__icon{width:48px;height:48px;flex-shrink:0;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;background:var(--paper-2);color:var(--brand)}.cat:hover .cat__icon{background:var(--brand);color:#fff}.cat__icon svg{width:24px;height:24px}.cat__body{min-width:0}.cat__name{font-size:.98rem;font-weight:700;color:var(--ink);margin:0}.cat__desc{font-size:.78rem;color:var(--ink-2);margin:2px 0 0}.cat__count{margin-left:auto;font-size:.75rem;color:var(--ink-3);font-weight:600}@media(max-width:480px){.cat__count{display:none}}.case-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}@media(max-width:900px){.case-grid{grid-template-columns:1fr;max-width:640px}}.case{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .18s var(--ease),box-shadow .2s var(--ease)}.case:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.case__head{padding:18px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line)}.case__head .case-head-ic{color:var(--brand);flex-shrink:0}.case__industry{font-size:.82rem;font-weight:700;color:var(--ink)}.case__body{padding:22px 20px}.case__stat{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}.stat__block{display:flex;flex-direction:column}.stat__cap{font-size:.68rem;color:var(--ink-3);font-weight:600;letter-spacing:.02em}.stat__num{font-size:1.05rem;font-weight:700;color:var(--ink-3);line-height:1.2}.case__stat .arrow{color:var(--brand);align-self:center}.case__stat .arrow svg{width:22px;height:22px}.stat__block--after .stat__num{font-size:1.9rem;color:var(--ink)}.stat__block--after .stat__num em{font-style:normal;color:var(--brand)}.case__desc{font-size:.88rem;color:var(--ink-2);margin:0;line-height:1.7}.case-note{margin-top:20px;font-size:.74rem;color:var(--ink-3);text-align:right}.rank-wrap{display:grid;grid-template-columns:1fr 1fr;gap:8px 40px}@media(max-width:768px){.rank-wrap{grid-template-columns:1fr}}.rank{display:flex;align-items:center;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line);transition:background-color .15s var(--ease)}.rank:hover{text-decoration:none}.rank:hover .rank__title{color:var(--brand)}.rank__no{font-size:1.5rem;font-weight:800;font-style:italic;color:var(--line);width:34px;text-align:center;flex-shrink:0;line-height:1}.rank--1 .rank__no{color:var(--brand)}.rank--2 .rank__no,.rank--3 .rank__no{color:var(--ink)}.rank__title{font-size:.92rem;font-weight:600;color:var(--ink);margin:0;line-height:1.5;transition:color .2s var(--ease)}.rank__cat{font-size:.72rem;color:var(--ink-3);margin:3px 0 0}.cta-band{background:var(--ink-strong);color:#fff}.cta-band__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}@media(max-width:860px){.cta-band__grid{grid-template-columns:1fr;gap:32px}}.cta-band__title{font-size:1.6rem;font-weight:800;margin:0 0 12px;line-height:1.4;letter-spacing:-.025em;color:#fff}.cta-band__lead{color:#fffc;font-size:.95rem;line-height:1.9;margin:0 0 26px;max-width:46ch}.cta-band .btn--primary{font-size:1rem;padding:14px 26px}.cta-newsletter{background:#ffffff0d;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px}.cta-newsletter__label{font-size:.9rem;font-weight:700;margin:0 0 4px;color:#fff}.cta-newsletter__note{font-size:.76rem;color:#ffffff8c;margin:0 0 16px}.news-form{display:flex;gap:8px}.news-form input[type=email]{flex:1;min-width:0;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);background:#fffffff5;color:var(--ink);padding:12px 14px;font-family:inherit;font-size:.9rem;outline:none}.news-form input[type=email]::placeholder{color:var(--ink-3)}.news-form input[type=email]:focus{box-shadow:0 0 0 3px #1e489d8c}@media(max-width:420px){.news-form{flex-direction:column}}.about{display:grid;grid-template-columns:auto 1fr auto;gap:32px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 40px}.about__mark{width:84px;height:84px;border-radius:var(--r-lg);background:var(--paper-2);display:flex;align-items:center;justify-content:center;flex-shrink:0}.about__mark svg{width:44px;height:44px}.about__eyebrow{font-size:.74rem;font-weight:700;color:var(--brand);letter-spacing:.08em;margin:0 0 6px}.about__title{font-size:1.15rem;font-weight:800;margin:0 0 8px;letter-spacing:-.01em;color:var(--ink-strong)}.about__text{font-size:.9rem;color:var(--ink-2);margin:0;max-width:60ch}.about__cta{flex-shrink:0}@media(max-width:860px){.about{grid-template-columns:1fr;gap:20px;padding:28px 24px;text-align:left}.about__cta .btn{width:100%;justify-content:center}}.footer{background:var(--brand-deep);color:#ffffffb8;padding-block:56px 28px}.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14)}@media(max-width:860px){.footer__top{grid-template-columns:1fr 1fr;gap:32px}}@media(max-width:480px){.footer__top{grid-template-columns:1fr}}.footer .brand-logo{color:#fff}.footer .brand__sub{color:#fff9}.footer__about{font-size:.82rem;color:#ffffffb8;margin:16px 0 0;max-width:32ch;line-height:1.8}.footer__col h4,.footer__col .footer__head{font-size:.82rem;font-weight:700;color:#fff;margin:0 0 14px;letter-spacing:.08em;text-transform:uppercase}.footer__col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.footer__col a{color:#ffffffd1;font-size:.84rem;display:inline-block;padding-block:4px}.footer__col a:hover{color:#fff}.footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:.76rem;color:#ffffffb8;flex-wrap:wrap}.footer__note{font-size:.72rem;color:#fff9}.crumbs{border-bottom:1px solid var(--line);background:var(--paper)}.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:14px 0;font-size:.78rem;color:var(--ink-3)}.crumbs__list li{display:inline-flex;align-items:center;gap:8px}.crumbs__list a{color:var(--ink-2)}.crumbs__list a:hover{color:var(--brand)}.crumbs__sep{color:var(--line)}.crumbs__list [aria-current=page]{color:var(--ink-3)}.article-head{padding-top:40px}.cat-pill{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:700;letter-spacing:.04em;color:var(--brand);background:var(--brand-tint);border:1px solid var(--line);border-radius:999px;padding:5px 12px}.article-title{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:900;line-height:1.4;letter-spacing:-.02em;margin:18px 0 0;color:var(--ink-strong)}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin:20px 0 0;padding-top:18px;border-top:1px solid var(--line);font-size:.82rem;color:var(--ink-2)}.article-meta .who{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink)}.article-meta .who .avatar{width:26px;height:26px;border-radius:999px;background:var(--brand);display:inline-flex;align-items:center;justify-content:center;color:#fff}.article-meta .who .avatar svg{width:15px;height:15px}.article-meta .m{display:inline-flex;align-items:center;gap:6px}.article-meta .m svg{width:14px;height:14px;color:var(--ink-3)}.article-meta .eng{font-family:Inter,sans-serif}.mdot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);opacity:.5}@media(max-width:520px){.mdot{display:none}}.eyecatch{position:relative;margin-top:26px;aspect-ratio:16/8;border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(140deg,#1e489d,#163a80);isolation:isolate}.eyecatch:before{content:"";position:absolute;inset:0;z-index:1;background-image:radial-gradient(rgba(255,255,255,.12) 1.4px,transparent 1.4px);background-size:20px 20px;opacity:.5}.eyecatch:after{content:"";position:absolute;right:-40px;bottom:-60px;z-index:1;width:280px;height:280px;border-radius:999px;border:1.5px solid rgba(255,255,255,.16);box-shadow:0 0 0 40px #ffffff0d}.eyecatch__inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;padding:0 clamp(24px,5vw,48px)}.eyecatch__kicker{font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#ffffffbf;margin:0 0 10px}.eyecatch__title{font-size:clamp(1.1rem,2.6vw,1.7rem);font-weight:800;color:#fff;margin:0;line-height:1.5;max-width:20ch}.eyecatch__glyph{position:absolute;right:clamp(20px,4vw,44px);top:50%;transform:translateY(-50%);z-index:2;color:#ffffff80}.eyecatch__glyph svg{width:clamp(56px,10vw,104px);height:auto}.eyecatch--img{background:var(--paper-2)}.eyecatch--img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}.eyecatch--img:before{background-image:none;opacity:1;z-index:2;box-shadow:inset 0 0 0 1px #13151614;border-radius:inherit;pointer-events:none}.eyecatch--img:after{content:none}@media(max-width:600px){.eyecatch{aspect-ratio:16/11}.eyecatch__glyph{display:none}}.toc{margin:36px 0 8px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px}.toc__label{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:700;color:var(--ink);margin:0 0 12px}.toc__label svg{width:18px;height:18px;color:var(--brand)}.toc__list{counter-reset:toc;list-style:none;margin:0;padding:0}.toc__list li{counter-increment:toc}.toc__list a{display:flex;gap:12px;align-items:baseline;padding:9px 0;color:var(--ink-2);font-size:.92rem;font-weight:500;border-top:1px solid var(--line)}.toc__list li:first-child a{border-top:0}.toc__list a:before{content:counter(toc);flex-shrink:0;font-family:Inter,sans-serif;font-weight:700;font-size:.8rem;color:var(--brand);min-width:20px}.toc__list a:hover{text-decoration:none;color:var(--brand)}.toc__list a.is-active{color:var(--brand);font-weight:700}.prose{margin-top:8px;counter-reset:h2counter}.prose .lead{font-size:1.06rem;color:var(--ink);line-height:1.85;margin:28px 0 8px}.prose h2{font-size:1.42rem;font-weight:800;line-height:1.5;letter-spacing:-.015em;margin:52px 0 4px;padding-top:10px;scroll-margin-top:88px;display:flex;gap:14px;align-items:flex-start;color:var(--ink-strong)}.prose h2:not(.no-num):before{counter-increment:h2counter;content:counter(h2counter,decimal-leading-zero);flex-shrink:0;font-family:Inter,sans-serif;font-weight:800;color:var(--brand);font-size:1.15rem;line-height:1.75}.prose h2 .h2num{flex-shrink:0;font-family:Inter,sans-serif;font-weight:800;color:var(--brand);font-size:1.15rem;line-height:1.75}.prose h3{font-size:1.1rem;font-weight:700;line-height:1.6;margin:32px 0 2px;color:var(--ink)}.prose p{margin:14px 0;color:var(--ink)}.prose strong{font-weight:700;color:var(--ink);background:linear-gradient(transparent 62%,#1e489d33 62%);padding:0 1px}.prose a.inline{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line)}.prose a.inline:hover{text-decoration-color:var(--brand)}.prose p>a:not([class]),.prose li>a:not([class]){color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line)}.prose p>a:not([class]):hover,.prose li>a:not([class]):hover{text-decoration-color:var(--brand)}.prose ul{margin:16px 0;padding:0;list-style:none}.prose ul li{position:relative;padding-left:26px;margin:9px 0;color:var(--ink)}.prose ul li:before{content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand)}.prose ol{margin:16px 0;padding:0;list-style:none;counter-reset:oli}.prose ol li{counter-increment:oli;position:relative;padding-left:34px;margin:12px 0;color:var(--ink)}.prose ol li:before{content:counter(oli,decimal-leading-zero);position:absolute;left:0;top:.2em;font-family:Inter,sans-serif;font-size:.78rem;font-weight:800;color:var(--brand);letter-spacing:.02em}.hr-soft{border:0;border-top:1px solid var(--line);margin:44px 0}.callout{margin:26px 0;border-radius:var(--r-lg);padding:20px 22px;background:var(--brand-tint);border:1px solid var(--line);border-left:4px solid var(--brand)}.callout__label{display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:700;letter-spacing:.02em;color:var(--brand);margin:0 0 8px}.callout__label svg{width:16px;height:16px}.callout p{margin:0;font-size:.95rem;color:var(--ink);line-height:1.8}.callout--amber{background:var(--paper-2);border-left-color:var(--ink)}.callout--amber .callout__label{color:var(--ink)}.figure{margin:34px 0}.figure__box{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper-2);padding:26px 22px}.flow{display:flex;align-items:stretch;gap:10px}.flow__node{flex:1 1 0;min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:14px 12px;text-align:center;display:flex;flex-direction:column;gap:6px;justify-content:center}.flow__node .ic{width:30px;height:30px;margin:0 auto;color:var(--brand)}.flow__node .ic svg{width:100%;height:100%}.flow__node .t{font-size:.82rem;font-weight:700;color:var(--ink);line-height:1.4}.flow__node .s{font-size:.7rem;color:var(--ink-3)}.flow__node--goal{background:var(--brand);border-color:var(--brand)}.flow__node--goal .ic,.flow__node--goal .t{color:#fff}.flow__node--goal .s{color:#ffffffb8}.flow__arrow{flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:var(--ink-3)}.flow__arrow svg{width:18px;height:18px}@media(max-width:600px){.flow{flex-direction:column}.flow__arrow{transform:rotate(90deg);padding:2px 0}}.figure__cap{font-size:.78rem;color:var(--ink-3);margin:10px 2px 0;text-align:center}.split{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:stretch}.split__q{grid-column:1 / -1;display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:700;color:var(--ink);margin-bottom:16px}.split__q .badge{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:999px;background:var(--brand);color:#fff;flex-shrink:0}.split__q .badge svg{width:15px;height:15px}.split__col{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px}.split__tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.02em;color:var(--brand);background:var(--brand-tint);border:1px solid var(--line);border-radius:999px;padding:4px 10px}.split__col--b .split__tag{color:var(--ink);background:var(--paper-2)}.split__h{font-size:.95rem;font-weight:700;color:var(--ink-strong);margin:4px 0 0}.split__list{list-style:none;margin:4px 0 0;padding:0}.split__list li{position:relative;padding-left:18px;margin:6px 0;font-size:.82rem;color:var(--ink-2);line-height:1.65}.split__list li:before{content:"";position:absolute;left:3px;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--brand)}.split__col--b .split__list li:before{background:var(--ink-3)}@media(max-width:600px){.split{grid-template-columns:1fr}}.table-wrap{margin:26px 0;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg)}table.tbl{width:100%;border-collapse:collapse;font-size:.9rem;min-width:460px}table.tbl caption{text-align:left;font-size:.8rem;color:var(--ink-3);padding:12px 16px 0}table.tbl th,table.tbl td{padding:13px 16px;text-align:left;vertical-align:top;border-top:1px solid var(--line)}table.tbl thead th{background:var(--paper-2);color:var(--ink);font-weight:700;font-size:.82rem;border-top:0}table.tbl td.bad{color:var(--ink-2)}table.tbl td.good{color:var(--ink);font-weight:600}table.tbl tbody tr:hover{background:#1e489d0a}.prose>table:not(.tbl){display:block;width:100%;overflow-x:auto;border-collapse:collapse}.prose p,.prose li,.refs__list li{overflow-wrap:break-word;word-break:break-word}.faq{margin:8px 0 0}.faq__item{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper);padding:20px 22px;margin:14px 0}.faq__q{display:flex;gap:12px;align-items:flex-start;font-size:1rem;font-weight:700;color:var(--ink-strong);margin:0}.faq__q .qmark{flex-shrink:0;font-family:Inter,sans-serif;font-weight:800;color:var(--brand);background:var(--brand-tint);border-radius:var(--r-sm);width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;font-size:.85rem}.faq__a{margin:12px 0 0 36px;font-size:.92rem;color:var(--ink-2);line-height:1.85}@media(max-width:520px){.faq__a{margin-left:0}}.video{margin:8px 0 0}.video__frame{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:linear-gradient(140deg,#1e489d,#163a80)}.video__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video__ph{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff;text-align:center;padding:24px}.video__ph .play{width:66px;height:66px;border-radius:999px;background:#ffffff29;border:1.5px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center}.video__ph .play svg{width:26px;height:26px;margin-left:3px}.video__ph .t{font-size:.95rem;font-weight:700}.video__ph .s{font-size:.76rem;color:#ffffffb3;letter-spacing:.06em}.video__cap{font-size:.78rem;color:var(--ink-3);margin:12px 2px 0}.refs{margin:40px 0 0;border-top:1px solid var(--line);padding-top:20px}.refs__label{font-size:.8rem;font-weight:700;color:var(--ink);margin:0 0 8px}.refs__list{list-style:none;margin:0;padding:0}.refs__list li{font-size:.78rem;color:var(--ink-3);line-height:1.7;margin:4px 0;padding-left:16px;position:relative}.refs__list li:before{content:"-";position:absolute;left:0;color:var(--ink-3)}.refs__note{font-size:.76rem;color:var(--ink-3);margin:12px 0 0;line-height:1.7}.author{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;margin:48px 0 0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px}.author__mark{width:64px;height:64px;border-radius:var(--r-lg);flex-shrink:0;background:var(--paper-2);display:flex;align-items:center;justify-content:center}.author__mark svg{width:34px;height:34px}.author__eyebrow{font-size:.72rem;font-weight:700;color:var(--brand);letter-spacing:.08em;margin:0 0 6px}.author__name{font-size:1.05rem;font-weight:700;margin:0 0 8px;letter-spacing:-.01em}.author__text{font-size:.88rem;color:var(--ink-2);margin:0 0 14px;line-height:1.8}.author__link{font-size:.86rem;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}.author__link svg{width:15px;height:15px}@media(max-width:520px){.author{grid-template-columns:1fr;gap:14px;padding:22px}}.grid-related{display:grid;gap:28px 24px;grid-template-columns:repeat(3,1fr)}@media(max-width:820px){.grid-related{grid-template-columns:1fr;max-width:560px}}.article-sections .section{padding-block:64px}.article-sections .section--tint{border-top:1px solid var(--line)}.article-sections .section-head{margin-bottom:28px;display:block}.article-sections .section-title{font-size:1.5rem;display:block}.list-head{padding:44px 0 8px}.list-head__eyebrow{font-size:.72rem;font-weight:700;color:var(--brand);letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px}.list-head__title{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:900;letter-spacing:-.02em;margin:0;color:var(--ink-strong)}.list-head__sub{margin:10px 0 0;color:var(--ink-2);font-size:.95rem}.list-empty{color:var(--ink-2);font-size:.95rem;padding:24px 0}.notfound{text-align:center;padding:96px 0}.notfound__code{font-family:Inter,sans-serif;font-weight:900;font-size:clamp(3rem,10vw,6rem);color:var(--brand);letter-spacing:-.03em;line-height:1}.notfound__title{font-size:1.3rem;font-weight:800;margin:16px 0 8px;color:var(--ink-strong)}.notfound__text{color:var(--ink-2);margin:0 0 28px}.reveal{opacity:0;transform:translateY(18px)}.reveal.is-in{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.card,.cat,.case,.nav__link:after,.section-link svg,.thumb,.thumb--img img,.btn{transition:none}.card:hover .thumb--img img,.card:hover,.cat:hover,.case:hover{transform:none}}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}