.bl{--bl-paper:#fff;--bl-ink:#1c1c1c;--bl-sub:#6b6b6b;--bl-line:#e6e0dc;--bl-wash:#fff6ef;--bl-brand:#ea4300;--bl-brand-dark:#c22100;--bl-accent:#ea4300;--bl-accent-dark:#c22100;--bl-link:#c22100;--bl-hero:#f9f9f9;--bl-space-1:.5rem;--bl-space-2:1rem;--bl-space-3:1.5rem;--bl-space-4:2rem;--bl-space-6:3rem;--bl-space-8:4rem;--bl-radius:6px;--bl-radius-sm:4px;--bl-max-width:1232px;--bl-sidebar-width:320px;--bl-column-gap:96px;--bl-eyecatch-inset:1.5rem;--bl-shadow-card:0 4px 18px #3c140014;color:var(--bl-ink);background:var(--bl-paper);font-size:16px;line-height:1.85}@layer base{.bl a{color:var(--bl-link);text-decoration:none}.bl a:hover{text-underline-offset:3px;text-decoration:underline}}.bl .bl-container{max-width:var(--bl-max-width);margin:0 auto;padding:0 16px}.bl .visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.bl .article-hero{background:var(--bl-hero);padding:var(--bl-space-4) 0 0;color:var(--bl-ink)}.bl .article-hero__grid,.bl .article-layout{grid-template-columns:minmax(0, 1fr) var(--bl-sidebar-width);gap:var(--bl-column-gap);align-items:start;display:grid}.bl .badge.article-hero__pill{border:1px solid var(--bl-brand);color:var(--bl-brand);background:#fff;margin-bottom:.875rem}.bl .article-hero__date{opacity:.9;flex-wrap:wrap;align-items:center;gap:.375rem 1.25rem;margin-bottom:.75rem;font-size:.75rem;display:flex}.bl .article-hero__date-item{align-items:center;gap:.375rem;display:inline-flex}.bl .article-hero__title{color:var(--bl-ink);margin:0 0 var(--bl-space-3);font-size:1.75rem;font-weight:700;line-height:1.6}.bl .article-hero__aside{height:0}.bl .article-hero__foot{margin-top:1.5rem;margin-bottom:calc(-28.125% + var(--bl-eyecatch-inset) * .5625);display:flex}.bl .article-hero__eyecatch{min-width:0;margin:0 var(--bl-eyecatch-inset);flex:1}.bl .article-layout{padding-block:0 var(--bl-space-8)}.bl .article-layout>main{padding-top:calc(28.125% - var(--bl-eyecatch-inset) * .5625)}@media (max-width:860px){.bl.article-page{flex-direction:column;display:flex}.bl .article-layout{order:2;grid-template-columns:minmax(0,1fr)}.bl .article-hero,.bl .article-hero>.bl-container,.bl .article-hero__grid{display:contents}.bl .article-hero__main{background:var(--bl-hero);color:var(--bl-ink);padding:var(--bl-space-4) 16px 0;order:1}.bl .article-hero__aside{height:auto;margin-top:var(--bl-space-6);order:3;padding:0 16px}}.bl .breadcrumb{color:var(--bl-sub);margin-bottom:.875rem;font-size:.75rem}.bl .breadcrumb ol{flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none;display:flex}.bl .breadcrumb li{align-items:center;min-width:0;display:flex}.bl .breadcrumb a{color:var(--bl-sub)}.bl .breadcrumb a:hover{color:var(--bl-brand)}.bl .breadcrumb__sep{opacity:.6;margin:0 .5em}.bl .breadcrumb span[aria-current]{color:var(--bl-ink);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.bl .badge{color:#fff;background:var(--bl-brand);border-radius:999px;padding:.25rem .875rem;font-size:.75rem;font-weight:700;display:inline-block}.bl .tag{color:#ea4300;border:1px solid #ffc39d;border-radius:999px;margin:0 .25rem .25rem 0;padding:.125rem .625rem;font-size:.6875rem;line-height:1.85;display:inline-block}.bl .points{border:1px solid var(--bl-line);border-radius:var(--bl-radius);margin:var(--bl-space-3) 0;background:#fff;padding:1.25rem 1.5rem}.bl .points__title{margin:0;font-size:1rem;font-weight:700}.bl .points ul{margin:.75rem 0 0;padding-left:1.4em;font-size:1rem;line-height:1.8;list-style:outside}.bl .points li::marker{color:var(--bl-brand)}.bl .lead{margin:0 0 var(--bl-space-4);font-size:1.125rem;line-height:1.95}.bl .cta-card{border:1px solid var(--bl-line);border-radius:var(--bl-radius);margin:var(--bl-space-4) 0;background:var(--bl-paper);overflow:hidden}.bl .cta-card__header{background:var(--bl-brand);color:#fff;margin:0;padding:.75rem 1.25rem;font-size:1rem;font-weight:800;line-height:1.6}.bl .cta-card__header a{color:#fff;text-underline-offset:3px;text-decoration:underline}.bl .cta-card__header a:hover{color:#fff4e9}.bl .cta-card__body{padding:1.25rem}.bl .cta-card__heading{margin:0 0 .625rem;font-size:.9375rem;font-weight:800;line-height:1.6}.bl .cta-card__text{margin:0 0 .75rem;font-size:.875rem;line-height:1.75}.bl .cta-card__text a{color:var(--bl-brand);text-underline-offset:3px;text-decoration:underline}.bl .cta-card__list{margin:0 0 .75rem;padding-left:1.125rem;font-size:.875rem;line-height:1.75;list-style:outside}.bl .cta-card__list li::marker{color:var(--bl-brand)}.bl .cta-card__action{color:var(--bl-brand);text-underline-offset:6px;font-size:.9375rem;font-weight:800;text-decoration:underline;text-decoration-thickness:2px;display:inline-block}.bl .cta-card__action:hover{color:var(--bl-brand-dark)}@media (max-width:480px){.bl .cta-card__header{padding:.875rem 1.125rem;font-size:.9375rem}.bl .cta-card__body{padding:1.125rem}}.bl .toc{border-radius:var(--bl-radius);margin:var(--bl-space-3) 0 var(--bl-space-4);background:#f8f8f8;padding:1.75rem 2rem}.bl .toc__title{color:var(--bl-ink);margin:0 0 1.25rem;font-size:1rem;font-weight:800}.bl .toc ul{flex-direction:column;gap:1rem;margin:0;padding:0;list-style:none;display:flex}.bl .toc li{align-items:baseline;gap:.625rem;display:flex}.bl .toc__marker{color:#4f4f4f;flex-shrink:0;font-size:.75rem}.bl .toc a{color:#4f4f4f;text-underline-offset:4px;font-size:1rem;font-weight:700;line-height:1.6;text-decoration:underline}.bl .toc a:hover{color:#1c1c1c}.bl .article-body h2,.bl .faq h2{border-left:6px solid var(--bl-brand);margin:var(--bl-space-6) 0 var(--bl-space-3);padding:.5rem 0 .5rem 1rem;scroll-margin-top:96px;font-size:1.5rem;font-weight:700;line-height:1.55}.bl .article-body h3{border-bottom:2px solid var(--bl-brand);margin:var(--bl-space-4) 0 var(--bl-space-2);padding-bottom:.25rem;font-size:1.25rem;font-weight:700}.bl .article-body h4{border-left:3px solid var(--bl-line);margin:var(--bl-space-3) 0 var(--bl-space-1);padding-left:.6875rem;font-size:.9375rem;font-weight:700}.bl .article-body{font-size:1.0625rem}.bl .article-body p{margin:0 0 var(--bl-space-2);line-height:1.85}.bl .article-body ul,.bl .article-body ol{margin:0 0 var(--bl-space-2);padding-left:1.4em}.bl .article-body ul{list-style:outside}.bl .article-body ol{list-style:decimal}.bl .article-body strong{font-weight:700}.bl .article-body a{color:var(--bl-link);text-underline-offset:3px;text-decoration:underline}.bl .article-body p.source,.bl .article-body p.source a{color:#4f4f4f}.bl .article-body p.source a:hover{color:#1c1c1c}.bl .article-body img{max-width:100%;height:auto;margin:var(--bl-space-3) auto;border-radius:var(--bl-radius);display:block}.bl mark{color:inherit;background:#fff3ba;padding:0 .1em}.bl .point-box{border:2px solid var(--bl-brand);border-radius:var(--bl-radius);margin:var(--bl-space-4) 0;padding:1.5rem 1.5rem 1.25rem;position:relative}.bl .point-box__tag{background:var(--bl-brand);color:#fff;border-radius:999px;padding:.125rem .75rem;font-size:.75rem;font-weight:700;line-height:1.85;position:absolute;top:-.75rem;left:1.25rem}.bl .point-box>p{margin:0;font-size:1.0625rem;line-height:1.8}.bl .point-box>p+p{margin-top:1rem}.bl .notice{border-radius:var(--bl-radius);margin:var(--bl-space-3) 0;background:#fff8e7;border:1px solid #efdfb7;gap:.875rem;padding:1.125rem 1.25rem;font-size:1rem;line-height:1.8;display:flex}.bl .notice:before{content:"!";color:#fff;background:#e0a020;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;margin-top:.125rem;font-size:.8125rem;font-weight:800;display:flex}.bl .notice>div{min-width:0}.bl .notice p{margin:0}.bl .notice__title{font-weight:800;margin-bottom:.25rem!important}.bl .notice--info{border:1px solid var(--bl-line);border-left:3px solid var(--bl-sub);color:var(--bl-sub);background:#fff}.bl .notice--info:before{content:"補足";border:1px solid var(--bl-line);width:auto;height:auto;color:var(--bl-sub);background:#fff;border-radius:3px;align-self:flex-start;margin-top:.25rem;padding:0 .375rem;font-size:.6875rem;font-weight:700}.bl .notice--alert{background:#fdf6f6;border-color:#e3b7b7}.bl .notice--alert:before{background:#b3403f}.bl .notice--alert .notice__title{color:#b3403f}.bl .pros-cons{margin:var(--bl-space-4) 0;flex-direction:column;gap:.75rem;display:flex}.bl .pros-cons__block{border:1px solid var(--bl-line);border-radius:var(--bl-radius);padding:1rem 1.25rem}.bl .pros-cons__block--pro{border-left:5px solid var(--bl-brand)}.bl .pros-cons__block--con{border-left:5px solid var(--bl-sub)}.bl .pros-cons__head{font-size:1rem;font-weight:800;margin:0 0 .5rem!important}.bl .pros-cons__block--pro .pros-cons__head{color:var(--bl-brand)}.bl .pros-cons__block--con .pros-cons__head{color:var(--bl-sub)}.bl .pros-cons ul{margin:0;padding-left:1.125rem;font-size:1rem;line-height:1.8}.bl .pros-cons li{padding:.125rem 0}.bl .checklist{margin:var(--bl-space-3) 0;font-size:1.0625rem;line-height:1.8;padding:0!important;list-style:none!important}.bl .checklist li{padding:.375rem 0 .375rem 1.875rem;position:relative}.bl .checklist li:before{content:"✓";border:2px solid var(--bl-brand);width:19px;height:19px;color:var(--bl-brand);border-radius:3px;justify-content:center;align-items:center;font-size:.6875rem;font-weight:800;display:flex;position:absolute;top:.75rem;left:0}.bl .checklist-box{border:2px solid var(--bl-line);border-radius:var(--bl-radius);margin:var(--bl-space-4) 0;padding:1.25rem 1.5rem}.bl .checklist-box__title{font-size:1rem;font-weight:800;margin:0 0 .75rem!important}.bl .checklist-box .checklist{margin:0}.bl blockquote{margin:var(--bl-space-4) 0;background:var(--bl-wash);border-radius:var(--bl-radius);padding:1.5rem;position:relative}.bl blockquote:before{content:"“";color:var(--bl-line);font-family:Georgia,serif;font-size:2.5rem;line-height:1;position:absolute;top:.25rem;left:.75rem}.bl blockquote p{margin:0 0 .5rem;padding-left:1.5rem;font-size:1.0625rem;line-height:1.85}.bl .article-body blockquote>p:last-child{margin-bottom:0}.bl blockquote cite{color:var(--bl-sub);padding-left:1.5rem;font-size:.75rem;font-style:normal;display:block}.bl .link-inline{margin:var(--bl-space-3) 0;font-size:1.0625rem}.bl .link-inline__label{color:var(--bl-brand);border:1px solid var(--bl-brand);border-radius:3px;margin-right:.5rem;padding:0 .375rem;font-size:.6875rem;font-weight:700;line-height:1.85;display:inline-block}.bl .link-inline a{color:#4f4f4f;text-underline-offset:3px;text-decoration:underline}.bl .link-inline a:hover{color:#1c1c1c}.bl .figure{background:var(--bl-wash);border-radius:var(--bl-radius);padding:var(--bl-space-3);margin:var(--bl-space-4) 0}.bl .figure__body{max-width:460px;margin-inline:auto}.bl .figure svg{width:100%;height:auto;display:block}@media (max-width:640px){.bl .figure{padding:var(--bl-space-2) .5rem}}.bl .table-scroll{border:1px solid var(--bl-line);border-radius:var(--bl-radius);margin:var(--bl-space-3) 0 var(--bl-space-4);overflow-x:auto}.bl table.compare{border-collapse:separate;border-spacing:0;min-width:100%;font-size:1rem}.bl table.compare th,.bl table.compare td{text-align:left;vertical-align:top;border-bottom:1px solid var(--bl-line);border-right:1px solid var(--bl-line);min-width:9rem;padding:.875rem .75rem}.bl table.compare th:last-child,.bl table.compare td:last-child{border-right:none}.bl table.compare tbody tr:last-child th,.bl table.compare tbody tr:last-child td{border-bottom:none}.bl table.compare thead th{background:var(--bl-brand);color:#fff;white-space:nowrap;border-right-color:#ffffff47;font-weight:700}.bl table.compare tbody th,.bl table.compare thead th:first-child{min-width:7rem;position:sticky;left:0;box-shadow:2px 0 4px #3c14000f}.bl table.compare tbody th{z-index:1;background:var(--bl-wash);font-weight:700}.bl table.compare thead th:first-child{z-index:2}.bl table.compare td:last-child{min-width:18rem}.bl .steps{margin:var(--bl-space-4) 0;counter-reset:step;padding:0!important;list-style:none!important}.bl .steps li{counter-increment:step;padding:0 0 1.25rem 3rem;position:relative}.bl .steps li:last-child{padding-bottom:0}.bl .steps li:before{content:counter(step);background:var(--bl-brand);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8125rem;font-weight:800;display:flex;position:absolute;top:0;left:0}.bl .steps li:not(:last-child):after{content:"";background:var(--bl-line);width:2px;position:absolute;top:32px;bottom:.25rem;left:13px}.bl .steps__head{font-size:1.0625rem;font-weight:800;margin:.25rem 0!important}.bl .steps__text{color:var(--bl-sub);font-size:1rem;line-height:1.8;margin:0!important}.bl .author-box{border-radius:var(--bl-radius);margin-top:var(--bl-space-6);background:#fff;padding:1.25rem 1.5rem;box-shadow:0 0 0 .5px #1c1c1c}.bl .author-box__label{color:#4f4f4f;margin:0 0 .375rem;font-size:.6875rem}.bl .author-box__name{margin:0 0 .5rem;font-size:1rem;font-weight:800}.bl .author-box__text{color:#343434;margin:0 0 .625rem;font-size:.8125rem;line-height:1.7}.bl .author-box a{color:var(--bl-brand);font-size:.8125rem;font-weight:700}.bl .related{margin-top:var(--bl-space-6)}.bl .related__heading{border-bottom:1px solid var(--bl-line);margin:0 0 var(--bl-space-3);padding:0 0 .75rem;font-size:1.25rem;font-weight:800;line-height:1.5;position:relative}.bl .related__heading:after{content:"";background:var(--bl-brand);border-radius:2px;width:72px;height:3px;position:absolute;bottom:-1px;left:0}.bl .related__items{gap:var(--bl-space-2);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.bl .related__item{color:var(--bl-ink);display:block}.bl .related__item:hover{text-decoration:none}.bl .related__item:hover .related__title{color:var(--bl-brand)}.bl .related__item:hover .related__thumb{opacity:.88}.bl .related__thumb{aspect-ratio:16/9;border-radius:var(--bl-radius-sm);transition:opacity .15s;overflow:hidden}.bl .related__tag{margin:.625rem 0 0;display:inline-block}.bl .related__title{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:.375rem 0;font-size:.9375rem;font-weight:700;line-height:1.5;display:-webkit-box;overflow:hidden}.bl .related__desc{color:var(--bl-sub);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:.8125rem;line-height:1.7;display:-webkit-box;overflow:hidden}@media (max-width:640px){.bl .related__items{gap:var(--bl-space-3);grid-template-columns:1fr}.bl .related__title{-webkit-line-clamp:none}}.bl .side-heading{color:var(--bl-ink);align-items:center;gap:.5rem;margin:0 0 1rem;font-size:1.0625rem;font-weight:800;display:flex}.bl .side-heading__badge{color:#fff;background:#ea4300;border-radius:3px;padding:.0625rem .375rem;font-size:.625rem;font-weight:800;line-height:1.6}.bl .banners{gap:var(--bl-space-3);margin-bottom:var(--bl-space-3);flex-direction:column;display:flex}.bl .latest,.bl .theme{background:var(--bl-paper);border-radius:var(--bl-radius);margin-bottom:var(--bl-space-3);padding:1.25rem}.bl .latest ul,.bl .theme ul{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.bl .latest ul{gap:.875rem}.bl .theme ul{flex-flow:wrap;gap:.5rem}.bl .latest__item{color:var(--bl-ink);align-items:flex-start;gap:.75rem;display:flex}.bl .latest__item:hover{text-decoration:none}.bl .latest__item:hover .latest__item-title{color:var(--bl-brand)}.bl .latest__thumb{aspect-ratio:16/9;border-radius:var(--bl-radius-sm);flex-shrink:0;width:128px;overflow:hidden}.bl .latest__thumb--placeholder{background:var(--bl-wash);border:1px dashed var(--bl-line)}.bl .latest__body{flex-direction:column;gap:.375rem;min-width:0;display:flex}.bl .latest__item-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.8125rem;font-weight:700;line-height:1.6;display:-webkit-box;overflow:hidden}.bl .latest__item-title--placeholder{color:var(--bl-sub);font-weight:400}.bl .latest__body .tag{white-space:nowrap;align-self:flex-start;margin:0;padding-inline:.5rem}.bl .theme .theme__pill{color:#1c1c1c;white-space:nowrap;background:#fff;border:1px solid #1c1c1c;border-radius:999px;align-items:center;padding:.375rem .6875rem;font-size:.75rem;font-weight:700;line-height:1.5;transition:color .15s,border-color .15s;display:inline-flex}.bl .theme .theme__pill:hover{color:#ea4300;border-color:#ea4300;text-decoration:none}.bl .theme .theme__pill--active,.bl .theme .theme__pill--active:hover{color:#fff;background:#ea4300;border-color:#ea4300}