.sei-blog{--mb-bg:#f4f6f9;--mb-surface:#fff;--mb-text:#1a2433;--mb-muted:#5c6b7a;--mb-border:#d7dee8;--mb-accent:#1f4f8a;--mb-accent-soft:#e8f0f8;--mb-hero:#1e4d8c;--mb-hero-2:#2f6eb5;--mb-cta:#eef6f0;--mb-cta-border:#c5dbc9;--mb-ads:#f5f0e6;--mb-radius:10px;--mb-sidebar:280px;--mb-shell-max:1120px;--mb-gutter:1rem;--mb-space-1:.35rem;--mb-space-2:.5rem;--mb-space-3:.75rem;--mb-space-4:1rem;--mb-space-5:1.25rem;color:var(--mb-text);background:var(--mb-bg);min-height:100vh;padding-top:64px;font-family:Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif;line-height:1.6}.sei-blog *,.sei-blog :after,.sei-blog :before{box-sizing:border-box}.sei-blog a{color:var(--mb-accent);text-decoration:none}.sei-blog>.nav-mobile-drawer a,.sei-blog>header#siteHeader a{color:var(--text,#2c2c2e);text-decoration:none}.sei-blog>.nav-mobile-drawer a:hover,.sei-blog>header#siteHeader a:hover{text-decoration:none}.sei-blog>.nav-mobile-drawer a.nav-cta,.sei-blog>.nav-mobile-drawer a.nav-cta:hover,.sei-blog>header#siteHeader a.nav-cta,.sei-blog>header#siteHeader a.nav-cta:hover{color:#fff}.sei-blog a:hover{text-decoration:underline}.sei-blog .mb-chips a:hover,.sei-blog .mb-tabs a:hover,.sei-blog a.mb-btn:hover,.sei-blog a.mb-card:hover,.sei-blog a.mb-featured-card:hover,.sei-blog>.nav-mobile-drawer a:hover,.sei-blog>header#siteHeader a:hover{text-decoration:none!important}.sei-blog a:focus-visible,.sei-blog button:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-tabs a:focus-visible,.mb-chips a:focus-visible{outline-offset:-2px}.mb-card:focus-visible{border-color:var(--mb-accent)}.mb-banner{color:#7a5a10;background:#fff8e8;border-bottom:1px solid #f0e0b0;padding:.45rem 0;font-size:.8rem}.mb-banner,.mb-banner__inner{text-align:center}.mb-shell{max-width:var(--mb-shell-max);padding-left:var(--mb-gutter);padding-right:var(--mb-gutter);box-sizing:border-box;width:100%;margin-left:auto;margin-right:auto}.mb-shell--page{padding-bottom:3rem}.mb-shell--inset{padding-top:0;padding-bottom:0}.mb-hero{margin:var(--mb-space-4) 0 var(--mb-space-5);border-radius:var(--mb-radius);color:#fff;background-color:#1a2433;background-image:linear-gradient(135deg,#14120e85,#1e4d8c61 55%,#14120e7a),url(/img/hero-bg.png);background-position:50% 90%;background-repeat:no-repeat;background-size:cover;padding:1.5rem 1.35rem}.mb-hero--compact{margin:var(--mb-space-3) 0 var(--mb-space-4);background-position:50% 88%;padding:1.1rem 1.2rem}:is(.mb-hero:has(+.mb-layout),.mb-hero:has(+.mb-tabs)),:is(.mb-hero--compact:has(+.mb-layout),.mb-hero--compact:has(+.mb-tabs)){margin-bottom:var(--mb-space-3)}.mb-hero--fallback{background-image:linear-gradient(135deg,#1a2a408c,#355a8a6b 55%,#1a2a4080),url(/img/hero-bg.png);background-position:50% 90%;background-repeat:no-repeat;background-size:cover}.mb-hero__badge{opacity:.92;margin-bottom:.35rem;font-size:.72rem}.mb-hero h1,.mb-hero__title{white-space:pre-line;color:inherit;margin:0 0 .5rem;font-size:clamp(1.35rem,3vw,1.85rem);font-weight:700;line-height:1.35}.mb-hero--compact .mb-hero__title{margin-bottom:.35rem;font-size:clamp(1.15rem,2.6vw,1.5rem)}.mb-hero p,.mb-hero__desc{opacity:.95;max-width:40rem;margin:0 0 1rem;font-size:.92rem}.mb-hero--compact .mb-hero__desc{margin-bottom:.75rem;font-size:.88rem}.mb-hero__actions{flex-wrap:wrap;gap:.5rem;display:flex}.sei-blog .mb-btn,.sei-blog a.mb-btn,.sei-blog a.mb-btn:active,.sei-blog a.mb-btn:focus,.sei-blog a.mb-btn:hover,.sei-blog a.mb-btn:link,.sei-blog a.mb-btn:visited,.sei-blog button.mb-btn{cursor:pointer;border:1px solid #0000;border-radius:7px;padding:.45rem .85rem;font-size:.85rem;font-weight:600;line-height:1.35;display:inline-block;text-decoration:none!important}.sei-blog .mb-btn--primary,.sei-blog a.mb-btn--primary,.sei-blog a.mb-btn--primary:active,.sei-blog a.mb-btn--primary:focus,.sei-blog a.mb-btn--primary:hover,.sei-blog a.mb-btn--primary:link,.sei-blog a.mb-btn--primary:visited{color:var(--mb-hero);background:#fff;border-color:#fff}.sei-blog .mb-btn--primary:hover,.sei-blog a.mb-btn--primary:hover{color:var(--mb-hero);background:#f3f7fc}.sei-blog .mb-btn--ghost,.sei-blog a.mb-btn--ghost,.sei-blog a.mb-btn--ghost:active,.sei-blog a.mb-btn--ghost:focus,.sei-blog a.mb-btn--ghost:hover,.sei-blog a.mb-btn--ghost:link,.sei-blog a.mb-btn--ghost:visited{color:#fff;background:0 0;border-color:#ffffff8c}.sei-blog .mb-btn--ghost:hover,.sei-blog a.mb-btn--ghost:hover{color:#fff;background:#ffffff1f}.sei-blog .mb-btn--accent,.sei-blog .mb-search button,.sei-blog a.mb-btn--accent,.sei-blog a.mb-btn--accent:active,.sei-blog a.mb-btn--accent:focus,.sei-blog a.mb-btn--accent:hover,.sei-blog a.mb-btn--accent:link,.sei-blog a.mb-btn--accent:visited,.sei-blog button.mb-btn--accent{background:var(--mb-accent);color:#fff;font:inherit;cursor:pointer;border:none;border-radius:7px;padding:.55rem .9rem;font-weight:600;text-decoration:none!important}.sei-blog .mb-btn--accent:hover,.sei-blog .mb-search button:hover,.sei-blog a.mb-btn--accent:hover,.sei-blog button.mb-btn--accent:hover{color:#fff;background:#183f6e}.sei-blog .mb-chips a.is-active,.sei-blog .mb-chips a.is-active:active,.sei-blog .mb-chips a.is-active:focus,.sei-blog .mb-chips a.is-active:focus-visible,.sei-blog .mb-chips a.is-active:hover,.sei-blog .mb-chips a.is-active:link,.sei-blog .mb-chips a.is-active:visited,.sei-blog .mb-hero__actions a.mb-btn--ghost,.sei-blog .mb-hero__actions a.mb-btn--ghost:active,.sei-blog .mb-hero__actions a.mb-btn--ghost:focus,.sei-blog .mb-hero__actions a.mb-btn--ghost:focus-visible,.sei-blog .mb-hero__actions a.mb-btn--ghost:hover,.sei-blog .mb-hero__actions a.mb-btn--ghost:link,.sei-blog .mb-hero__actions a.mb-btn--ghost:visited,.sei-blog .mb-search button,.sei-blog .mb-search button:focus,.sei-blog .mb-search button:focus-visible,.sei-blog .mb-search button:hover,.sei-blog .mb-sidebar a.mb-btn--accent,.sei-blog .mb-sidebar a.mb-btn--accent:visited,.sei-blog .mb-tabs a.is-active,.sei-blog .mb-tabs a.is-active:active,.sei-blog .mb-tabs a.is-active:focus,.sei-blog .mb-tabs a.is-active:focus-visible,.sei-blog .mb-tabs a.is-active:hover,.sei-blog .mb-tabs a.is-active:link,.sei-blog .mb-tabs a.is-active:visited,.sei-blog a.mb-btn--accent,.sei-blog a.mb-btn--accent:active,.sei-blog a.mb-btn--accent:focus,.sei-blog a.mb-btn--accent:focus-visible,.sei-blog a.mb-btn--accent:hover,.sei-blog a.mb-btn--accent:link,.sei-blog a.mb-btn--accent:visited,.sei-blog a.mb-featured-card .mb-featured-card__cta,.sei-blog a.mb-featured-card:focus .mb-featured-card__cta,.sei-blog a.mb-featured-card:focus-visible .mb-featured-card__cta,.sei-blog a.mb-featured-card:hover .mb-featured-card__cta,.sei-blog a.mb-featured-card:visited .mb-featured-card__cta,.sei-blog button.mb-btn--accent,.sei-blog button.mb-btn--accent:focus-visible,.sei-blog button.mb-btn--accent:hover{color:#fff}.sei-blog .mb-search button:focus-visible,.sei-blog a.mb-btn:focus-visible,.sei-blog button.mb-btn:focus-visible{outline-offset:2px;outline:2px solid #fff;box-shadow:0 0 0 4px #1f4f8a73}.sei-blog .mb-btn--primary:focus-visible,.sei-blog a.mb-btn--primary:focus-visible{outline:2px solid var(--mb-hero);box-shadow:0 0 0 4px #1e4d8c59}.sei-blog .mb-btn:disabled,.sei-blog .mb-search button:disabled,.sei-blog a.mb-btn.is-disabled,.sei-blog a.mb-btn[aria-disabled=true],.sei-blog button.mb-btn:disabled{opacity:.55;cursor:not-allowed;pointer-events:none;color:#fff;background:#7a94b3}.sei-blog .mb-btn--primary:disabled,.sei-blog a.mb-btn--primary.is-disabled,.sei-blog a.mb-btn--primary[aria-disabled=true]{color:#5c6b7a;background:#e8edf3;border-color:#d7dee8}.mb-search{margin-bottom:var(--mb-space-4);flex-wrap:nowrap;align-items:stretch;gap:.35rem;min-width:0;max-width:100%;display:flex}.mb-search input{border:1px solid var(--mb-border);min-width:0;font:inherit;background:var(--mb-surface);border-radius:7px;flex:auto;padding:.55rem .75rem}.mb-search button{flex:none;justify-content:center;align-items:center;min-width:2.75rem;padding:.55rem .9rem;line-height:1;display:inline-flex}.mb-search--compact button{width:2.75rem;padding:0;font-size:1.05rem}.mb-search--compact .mb-search__icon{color:#fff;display:block}.sei-blog .mb-search--compact button{width:2.75rem;padding:0}@media (max-width:320px){.mb-search--compact{flex-wrap:wrap}.mb-search--compact input{flex:100%}.mb-search--compact button{width:100%}}.mb-tabs{margin-bottom:var(--mb-space-3);border:none;border-bottom:1px solid var(--mb-border);-webkit-overflow-scrolling:touch;scrollbar-width:thin;background:0 0;max-width:100%;padding:0;overflow:auto hidden}.mb-tabs__track{flex-wrap:nowrap;align-items:flex-end;gap:.12rem;min-width:min-content;padding:.05rem 0 0;display:flex}.mb-tabs a{color:var(--mb-text);background:var(--mb-surface);border:1px solid var(--mb-border);white-space:nowrap;border-bottom:none;border-radius:6px 6px 0 0;flex:none;min-height:1.65rem;margin-bottom:-1px;padding:.3rem .55rem;font-size:.78rem;line-height:1.2;position:relative;text-decoration:none!important}.mb-tabs a:hover{background:var(--mb-accent-soft);color:var(--mb-accent);border-color:var(--mb-border)}.mb-tabs a.is-active,.mb-tabs a.is-active:focus,.mb-tabs a.is-active:focus-visible,.mb-tabs a.is-active:hover,.mb-tabs a.is-active:visited{background:var(--mb-accent);color:#fff;border-color:var(--mb-accent);z-index:1;padding-bottom:calc(.3rem + 1px)}.mb-chips{flex-wrap:wrap;gap:.35rem;margin-bottom:1rem;display:flex}.mb-chips a{border:1px solid var(--mb-border);background:var(--mb-surface);color:var(--mb-text);border-radius:999px;padding:.3rem .65rem;font-size:.75rem;text-decoration:none!important}.mb-chips a.is-active,.mb-chips a.is-active:focus,.mb-chips a.is-active:focus-visible,.mb-chips a.is-active:hover,.mb-chips a.is-active:visited{background:var(--mb-accent);color:#fff;border-color:var(--mb-accent)}.mb-layout{grid-template-columns:minmax(0,1fr) var(--mb-sidebar);grid-gap:1.25rem;align-items:start;gap:1.25rem;display:grid}.mb-home-pagination-box{box-sizing:border-box;width:100%;max-width:100%;margin-top:var(--mb-space-4);margin-bottom:var(--mb-space-4);padding:var(--mb-space-4);background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius)}.mb-home-pagination-box .mb-home-pagination,.mb-home-pagination-box .mb-pagination{box-sizing:border-box;background:0 0;border-top:none;border-bottom:none;justify-content:center;width:100%;max-width:100%;margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0}.mb-main{min-width:0}.mb-tabs:has(+.mb-layout){width:100%;max-width:100%}.mb-tabs:has(+.mb-layout) .mb-tabs__track{width:100%}.mb-tabs:has(+.mb-layout) .mb-tabs__track a{text-align:center;flex:auto}.mb-sidebar{box-sizing:border-box;min-width:0;max-width:100%;padding:.85rem;font-size:.82rem;overflow-x:clip}.mb-sidebar,.mb-sidebar__toggle{background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius)}.mb-sidebar__toggle{width:100%;font:inherit;color:var(--mb-accent);cursor:pointer;text-align:center;padding:.65rem;font-size:.82rem;font-weight:600;display:none}.mb-sidebar__block{border-bottom:1px dashed var(--mb-border);padding:.65rem 0}.mb-sidebar__block:last-child{border-bottom:none}.mb-sidebar__block h3{text-transform:uppercase;letter-spacing:.04em;color:var(--mb-muted);margin:0 0 .4rem;font-size:.78rem}.mb-sidebar ul{margin:0;padding:0;list-style:none}.mb-sidebar__level-list{flex-wrap:wrap;align-items:baseline;gap:.15rem .85rem;display:flex}.mb-sidebar__level-list>li{margin:0}.mb-sidebar__level-list>li a{display:inline}.mb-sidebar li{min-width:0;margin:.25rem 0}.mb-sidebar li a{overflow-wrap:anywhere;word-break:break-word;max-width:100%;display:inline-block}.mb-sidebar__backdrop{display:none}.mb-sidebar__tag-list{grid-column-gap:.55rem;grid-row-gap:.1rem;overflow-wrap:anywhere;grid-template-columns:repeat(3,minmax(0,1fr));gap:.1rem .55rem;display:grid}.mb-sidebar__tag-list>li{min-width:0;max-width:100%;margin:0}.mb-sidebar__tag-link{box-sizing:border-box;overflow-wrap:anywhere;word-break:break-word;min-width:0;max-width:100%;display:block}.mb-sidebar__tag-link:focus-visible,.mb-sidebar__tag-link:hover{text-decoration:underline}.mb-sidebar__nav-list{margin:0;padding:0;list-style:none}.mb-sidebar__nav-link.is-active,.mb-sidebar__nav-link.is-active:visited{color:var(--mb-accent);font-weight:600}.mb-title-list{margin:0;padding:0;list-style:none}.mb-title-list>li{min-width:0;margin:0}.mb-title-list__link{box-sizing:border-box;border-bottom:1px solid var(--mb-border);min-width:0;max-width:100%;color:inherit;overflow-wrap:anywhere;word-break:break-word;padding:.55rem 0;font-size:.95rem;font-weight:600;line-height:1.45;display:block;text-decoration:none!important}.mb-title-list>li:last-child .mb-title-list__link{border-bottom:none}.mb-title-list__link:focus-visible,.mb-title-list__link:hover{color:var(--mb-accent)}.mb-title-list__link:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-sidebar__cta-panel{border-radius:var(--mb-radius);border:1px solid var(--mb-border);background:var(--mb-surface);margin-top:.15rem;padding:.75rem .7rem}.mb-sidebar__cta-group{gap:var(--mb-space-3);flex-direction:column;display:flex}.mb-sidebar__cta-group .mb-sidebar__cta-panel{margin-top:0}.mb-sidebar__cta-panel--newsletter{background:var(--mb-accent-soft);box-shadow:inset 3px 0 0 var(--mb-accent);border-color:#c5d8eb}.mb-sidebar__cta-panel--course{background:var(--mb-cta);border-color:var(--mb-cta-border);box-shadow:inset 3px 0 #5a9a66}.mb-sidebar__cta-panel h3{margin-bottom:.55rem}.mb-sidebar__cta-action{margin:0}.mb-sidebar__cta-btn{box-sizing:border-box;max-width:100%;min-height:2.25rem;font:inherit;text-align:center;overflow-wrap:anywhere;border-radius:7px;justify-content:center;align-items:center;padding:.45rem .85rem;font-weight:600;line-height:1.35;display:inline-flex;text-decoration:none!important}.mb-sidebar__cta-btn--newsletter{background:var(--mb-surface);color:var(--mb-accent);border:1px solid #b8cce2}.mb-sidebar__cta-btn--newsletter:focus-visible,.mb-sidebar__cta-btn--newsletter:hover{color:var(--mb-accent);border-color:var(--mb-accent);background:#fff}.mb-sidebar__cta-btn--course{background:var(--mb-accent);color:#fff;border:1px solid var(--mb-accent)}.mb-sidebar__cta-btn--course:focus-visible,.mb-sidebar__cta-btn--course:hover{color:#fff;background:#183f6e;border-color:#183f6e}.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course,.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course:active,.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course:focus,.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course:focus-visible,.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course:hover,.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course:link,.sei-blog .mb-sidebar a.mb-sidebar__cta-btn--course:visited{color:#fff}.mb-sidebar__cta-btn:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-sidebar__block--popular-list{padding-bottom:0}.mb-sidebar__ranking-groups{margin-top:var(--mb-space-4);flex-direction:column;gap:.85rem;display:flex}.mb-sidebar__block--ranking-group{background:0 0;border:none;margin:0;padding:0}.mb-sidebar__ranking-title{color:#fff;box-sizing:border-box;white-space:normal;overflow-wrap:anywhere;word-break:break-word;background:#1a2744;border-radius:6px 6px 0 0;min-width:0;max-width:100%;margin:0;padding:.45rem .55rem;font-size:.78rem;font-weight:600;line-height:1.35}.mb-sidebar__ranking-body{background:var(--mb-surface);border:1px solid var(--mb-border);border-top:none;border-radius:0 0 6px 6px;padding:.35rem .5rem .45rem}.mb-sidebar__block--popular-list h3{margin-bottom:.3rem}.mb-sidebar__block .mb-sidebar__ranking-title{color:#fff;text-transform:none;letter-spacing:normal;margin-bottom:0}.mb-sidebar__block--all-time-popular{padding-bottom:0}.mb-sidebar__all-time-list{counter-reset:none;margin:0;padding:0;list-style:none}.mb-sidebar__all-time-item{border-bottom:1px dashed var(--mb-border);margin:.15rem 0;padding-bottom:.15rem}.mb-sidebar__all-time-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.mb-sidebar a.mb-sidebar__all-time-link{align-items:flex-start;gap:.4rem;min-width:0;max-width:100%;line-height:1.35;text-decoration:none;display:flex}.mb-sidebar a.mb-sidebar__all-time-link:focus-visible,.mb-sidebar a.mb-sidebar__all-time-link:hover{text-decoration:underline}.mb-sidebar__all-time-rank{box-sizing:border-box;aspect-ratio:1;letter-spacing:0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;border-radius:50%;flex:0 0 1.35rem;justify-content:center;align-items:center;width:1.35rem;height:1.35rem;margin-top:.05rem;font-size:.62rem;font-weight:700;line-height:1;display:inline-flex}.mb-sidebar__all-time-rank--1{color:#2a1c00;background:#d4a017}.mb-sidebar__all-time-rank--2{color:#1c2128;background:#9aa3ad}.mb-sidebar__all-time-rank--3{color:#fff;background:#b56a3c}.mb-sidebar__all-time-rank--rest{color:#fff;background:#4b5563}.mb-sidebar__all-time-copy{flex-direction:column;flex:auto;gap:.12rem;min-width:0;max-width:100%;display:flex}.mb-sidebar__all-time-copy .mb-view-count{white-space:nowrap;font-size:.68rem;line-height:1.3;display:block}.mb-sidebar__all-time-title{white-space:normal;overflow-wrap:anywhere;word-break:break-word;flex:auto;min-width:0;max-width:100%}.mb-section{margin-bottom:1.5rem}.mb-section h2{margin:0 0 .65rem;font-size:1.05rem}.mb-section__desc{color:var(--mb-muted);margin:-.25rem 0 .75rem;font-size:.88rem}.mb-article-footer{flex-direction:column;gap:.75rem;margin-top:.75rem;display:flex}.mb-article-footer .mb-cta{margin-bottom:0}.mb-article-footer .mb-adsense-placeholder{margin-bottom:0;padding:.65rem .75rem;font-size:.72rem}.mb-article-footer .mb-section--compact{margin-bottom:0}.mb-article-footer .mb-section--compact h2{margin:0 0 .45rem;font-size:.95rem}.mb-article-footer .mb-section--compact .mb-section__heading{justify-content:space-between;width:100%;margin:0 0 .45rem}.mb-article-footer .mb-section--compact .mb-section__heading h2{margin:0}.mb-category-perpage{color:var(--mb-muted);white-space:nowrap;align-items:center;gap:.4rem;margin-left:auto;font-size:.8rem;font-weight:500;display:inline-flex}.mb-category-perpage__select{font:inherit;color:var(--mb-text);background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:4px;padding:.12rem .35rem;line-height:1.4}.mb-article-footer .mb-prevnext{margin:.15rem 0 0}.mb-cards{grid-gap:.75rem;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem}.mb-cards,.mb-featured-card{align-items:stretch;display:grid}.mb-featured-card{grid-gap:1rem;background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius);color:inherit;grid-template-columns:minmax(0,38%) minmax(0,1fr);gap:1rem;margin:0 0 1rem;padding:0;transition:border-color .15s;overflow:hidden;text-decoration:none!important}.mb-featured-card:hover{border-color:var(--mb-accent)}.mb-featured-card:hover .mb-featured-card__title{text-decoration:underline}.mb-featured-card:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-featured-card__media{background:var(--mb-surface-2,#f4f6f8);min-width:0;min-height:100%}.mb-featured-card__img{object-fit:cover;width:100%;height:100%;min-height:12rem;display:block}.mb-featured-card__placeholder{background:linear-gradient(145deg,var(--mb-surface-2,#eef2f6) 0,var(--mb-border,#dde3ea) 100%);justify-content:center;align-items:center;height:100%;min-height:12rem;padding:1rem;display:flex}.mb-featured-card__placeholder-label{color:var(--mb-muted);text-align:center;font-size:.85rem;font-weight:700;line-height:1.35}.mb-featured-card__body{flex-direction:column;min-width:0;padding:1rem 1.1rem 1rem 0;display:flex}.mb-featured-card__meta{color:var(--mb-muted);flex-wrap:wrap;align-items:baseline;gap:0 .15rem;margin:0 0 .55rem;font-size:.78rem;line-height:1.35;display:flex}.mb-featured-card__type{color:var(--mb-text,#222);font-weight:600}.mb-featured-card__tax{color:var(--mb-muted)}.mb-featured-card__title{margin:0 0 .55rem;font-size:1.25rem;font-weight:700;line-height:1.35}.mb-featured-card__excerpt{color:var(--mb-muted);-webkit-line-clamp:4;-webkit-box-orient:vertical;flex:auto;margin:0 0 .85rem;font-size:.88rem;line-height:1.55;display:-webkit-box;overflow:hidden}.mb-featured-card:focus .mb-featured-card__cta,.mb-featured-card:focus-visible .mb-featured-card__cta,.mb-featured-card:hover .mb-featured-card__cta,.mb-featured-card__cta{color:#fff;background:var(--mb-accent,#1a5fb4);letter-spacing:.01em;border-radius:999px;align-self:flex-start;align-items:center;margin-top:auto;padding:.45rem .85rem;font-size:.82rem;font-weight:600;display:inline-flex}.mb-featured-card:hover .mb-featured-card__cta{filter:brightness(1.05)}.mb-home-section{flex-direction:column;gap:0;display:flex}.mb-section__archive-link{text-align:right;margin:.85rem 0 0;font-size:.85rem}.mb-section__heading{flex-wrap:wrap;align-items:baseline;gap:.35rem .75rem;display:flex}.mb-section__archive-inline{color:var(--mb-accent,#1a5fb4);font-size:.8rem;font-weight:400;text-decoration:none!important}.mb-section__archive-inline:hover{text-decoration:underline!important}.mb-section-featured{grid-gap:.85rem;background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius);color:inherit;grid-template-columns:minmax(0,30%) minmax(0,1fr);align-items:stretch;gap:.85rem;margin:0 0 .85rem;padding:.75rem;transition:border-color .15s;display:grid;overflow:hidden;text-decoration:none!important}.mb-section-featured:hover{border-color:var(--mb-accent)}.mb-section-featured:hover .mb-section-featured__title{text-decoration:underline}.mb-section-featured:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-section-featured__media{background:var(--mb-surface-2,#f4f6f8);border-radius:calc(var(--mb-radius) - 2px);min-width:0;overflow:hidden}.mb-section-featured__img{object-fit:cover;width:100%;height:100%;min-height:7.5rem;display:block}.mb-section-featured__placeholder{background:linear-gradient(145deg,var(--mb-surface-2,#eef2f6) 0,var(--mb-border,#dde3ea) 100%);justify-content:center;align-items:center;min-height:7.5rem;padding:.75rem;display:flex}.mb-section-featured__placeholder-label{color:var(--mb-muted);text-align:center;font-size:.78rem;font-weight:700;line-height:1.35}.mb-section-featured__body{flex-direction:column;justify-content:center;min-width:0;display:flex}.mb-section-featured__meta{color:var(--mb-muted,#6b7280);margin:0 0 .35rem;font-size:.74rem;line-height:1.35}.mb-section-featured__title{margin:0 0 .35rem;font-size:1rem;font-weight:700;line-height:1.4}.mb-section-featured__excerpt{color:var(--mb-muted,#6b7280);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.82rem;line-height:1.45;display:-webkit-box;overflow:hidden}.mb-compact-list{background:0 0;border:none;border-radius:0;margin:0;padding:0;list-style:none;overflow:visible}.mb-compact-list__item{color:inherit;border-bottom:1px solid var(--mb-border);padding:.75rem 0;transition:background-color .15s,color .15s;display:block;text-decoration:none!important}.mb-compact-list li:last-child .mb-compact-list__item{border-bottom:none}.mb-compact-list__item:hover{background:var(--mb-surface-2,#f4f6f8)}.mb-compact-list__item:focus-visible{outline:2px solid var(--mb-accent);outline-offset:-2px}.mb-compact-list__item:hover .mb-compact-list__title{color:var(--mb-accent,#1a5fb4)}.mb-compact-list__meta{color:var(--mb-muted,#6b7280);margin:0 0 .2rem;font-size:.75rem;line-height:1.35}.mb-compact-list__meta .mb-view-count{color:inherit}.mb-compact-list__title{margin:0;font-size:.95rem;font-weight:600;line-height:1.45;transition:color .15s}.mb-recently-updated-list{margin:var(--mb-space-4) 0 0;border-top:1px solid var(--mb-border);padding:0;list-style:none}.mb-recently-updated-list__item{color:inherit;border-bottom:1px solid var(--mb-border);padding:.75rem 0;display:block;text-decoration:none!important}.mb-recently-updated-list li:last-child .mb-recently-updated-list__item{border-bottom:none}.mb-recently-updated-list__item:hover{background:var(--mb-surface-2,#f4f6f8)}.mb-recently-updated-list__item:focus-visible{outline:2px solid var(--mb-accent);outline-offset:-2px}.mb-recently-updated-list__item:hover .mb-recently-updated-list__title{color:var(--mb-accent,#1a5fb4)}.mb-recently-updated-list__meta{color:var(--mb-muted,#6b7280);margin:0 0 .2rem;font-size:.75rem;line-height:1.35}.mb-recently-updated-list__meta .mb-view-count{color:inherit}.mb-recently-updated-list__title{color:var(--mb-text);margin:0;font-size:.95rem;font-weight:600;line-height:1.45}.mb-section--recently-updated{margin-top:var(--mb-space-5)}.mb-card{background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius);min-width:0;min-height:100%;color:inherit;flex-direction:column;padding:.85rem .9rem;transition:border-color .15s;display:flex;text-decoration:none!important}.mb-card:hover{border-color:var(--mb-accent)}.mb-card:hover .mb-card__title{text-decoration:underline}.mb-card:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-view-count{font-weight:500}.mb-card__meta,.mb-view-count{color:var(--mb-muted);white-space:nowrap}.mb-card__meta{text-overflow:ellipsis;flex-wrap:wrap;align-items:baseline;gap:0 .15rem;max-width:100%;margin:0 0 .45rem;font-size:.72rem;line-height:1.35;display:flex;overflow:hidden}.mb-card__meta .mb-view-count{font-size:inherit}.mb-card__type{color:var(--mb-text,#222);font-weight:600}.mb-card__tax{color:var(--mb-muted)}.mb-card__highlight{color:var(--mb-accent,#1a5fb4);-webkit-line-clamp:1;margin:0 0 .25rem;font-size:.8rem;font-weight:600;line-height:1.3}.mb-card__highlight,.mb-card__title{-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.mb-card__title{-webkit-line-clamp:3;margin:0 0 .4rem;font-size:.98rem;font-weight:700;line-height:1.35}.mb-card__summary{color:var(--mb-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:auto;margin:0 0 .55rem;font-size:.78rem;line-height:1.45;display:-webkit-box;overflow:hidden}.mb-card__more{letter-spacing:.01em;margin-top:auto;font-size:.75rem;font-weight:600}.mb-card--quiz .mb-card__more,.mb-card__more{color:var(--mb-accent,#1a5fb4)}.mb-related-cards{grid-gap:.5rem;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:.5rem;display:grid}.mb-card--compact{padding:.65rem .7rem}.mb-card--compact .mb-card__title{font-size:.88rem}.mb-card--compact .mb-card__summary{margin-bottom:.4rem;font-size:.74rem}.mb-card--compact .mb-card__more{font-size:.72rem}.mb-card__excerpt{display:none}.mb-series-list{border:1px solid var(--mb-border);border-radius:var(--mb-radius);background:var(--mb-surface);margin:0;padding:0;list-style:none;overflow:hidden}.mb-series-list li{border-bottom:1px solid var(--mb-border)}.mb-series-list li:last-child{border-bottom:none}.mb-series-list a{color:inherit;justify-content:space-between;align-items:baseline;gap:.75rem;padding:.45rem .7rem;display:flex;text-decoration:none!important}.mb-series-list a:hover .mb-series-list__title{color:var(--mb-accent);text-decoration:underline}.mb-series-list a:focus-visible{outline:2px solid var(--mb-accent);outline-offset:-2px}.mb-series-list__title{flex:1;min-width:0;font-size:.84rem;font-weight:500;line-height:1.35}.mb-series-list__date{color:var(--mb-muted);flex-shrink:0;font-size:.72rem}.mb-series-more{margin:.4rem 0 0;font-size:.82rem}.mb-series-more a{color:var(--mb-accent);font-weight:600;text-decoration:none!important}.mb-series-more a:hover{text-decoration:underline!important}.mb-series-more a:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-semantic-related{margin:0;padding:0;list-style:none}.mb-semantic-related li{border-bottom:1px solid var(--mb-border);margin:0;padding:.28rem 0}.mb-semantic-related li:last-child{border-bottom:none}.mb-semantic-related a{color:inherit;font-size:.92rem;font-weight:500;line-height:1.45;text-decoration:none!important}.mb-semantic-related a:hover{color:var(--mb-accent);text-decoration:underline!important}.mb-semantic-related a:focus-visible{outline:2px solid var(--mb-accent);outline-offset:2px}.mb-pagination{box-sizing:border-box;width:100%;margin-top:var(--mb-space-4);padding-top:var(--mb-space-4);border-top:1px solid var(--mb-border);-webkit-overflow-scrolling:touch;scrollbar-width:thin;flex-wrap:nowrap;justify-content:center;align-items:center;gap:.25rem;max-width:100%;display:flex;overflow-x:auto}.mb-pagination a,.mb-pagination span{text-align:center;border:1px solid var(--mb-border);background:var(--mb-surface);min-width:2rem;height:2rem;color:var(--mb-text);border-radius:6px;flex:none;justify-content:center;align-items:center;padding:0 .4rem;font-size:.8rem;line-height:1;display:inline-flex;text-decoration:none!important}.mb-pagination .is-current{background:var(--mb-accent);color:#fff;border-color:var(--mb-accent);font-weight:600}.mb-pagination .is-disabled{opacity:.4;pointer-events:none;cursor:not-allowed}.mb-pagination__ellipsis{min-width:1.25rem;color:var(--mb-muted);pointer-events:none;background:0 0!important;border-color:#0000!important}.mb-pagination__control{font-size:.95rem}@media (max-width:720px){.mb-pagination{justify-content:flex-start;gap:.2rem}.mb-home-pagination-box .mb-home-pagination{justify-content:center}.mb-pagination a,.mb-pagination span{min-width:1.85rem;height:1.85rem;padding:0 .3rem;font-size:.75rem}.mb-pagination a.mb-pagination__control--edge,.mb-pagination a.mb-pagination__page--desktop-only,.mb-pagination span.mb-pagination__control--edge,.mb-pagination span.mb-pagination__page--desktop-only{display:none}}.mb-breadcrumb{margin-bottom:var(--mb-space-2);font-size:.78rem}.mb-breadcrumb,.mb-breadcrumb a{color:var(--mb-muted)}.mb-badges{margin-bottom:var(--mb-space-2);flex-wrap:wrap;gap:.35rem;display:flex}.mb-badge{background:var(--mb-accent-soft);color:var(--mb-accent);border-radius:999px;padding:.15rem .5rem;font-size:.72rem;display:inline-block}.mb-article-title{margin:0 0 var(--mb-space-2);font-size:clamp(1.4rem,3vw,1.85rem);line-height:1.3}.mb-article-dates{color:var(--mb-muted);margin-bottom:var(--mb-space-4);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.4rem .75rem;font-size:.8rem;display:flex}.mb-article-dates__meta{flex:auto;min-width:0}.mb-archive-heading{flex-wrap:wrap;align-items:center;gap:.45rem .65rem;min-width:0;margin:0 0 .35rem;display:flex}.mb-archive-heading__title{overflow-wrap:anywhere;word-break:break-word;flex:auto;min-width:0;margin:0;font-size:1.45rem;line-height:1.3}.mb-section>.mb-archive-heading>h2.mb-archive-heading__title{margin:0;font-size:1.05rem}.mb-archive-heading .mb-admin-archive-post-link{margin-left:auto}.mb-admin-edit-link{border:1px solid var(--mb-border);background:var(--mb-surface,#fff);color:#3d6b6b;border-radius:4px;flex:none;justify-content:center;align-items:center;min-width:44px;min-height:32px;padding:.2rem .65rem;font-size:.75rem;font-weight:600;line-height:1.2;text-decoration:none;display:inline-flex}.mb-admin-edit-link:hover{background:#f0f5f5;border-color:#3d6b6b}.mb-admin-edit-link:focus-visible{outline-offset:2px;outline:2px solid #3d6b6b}.mb-article-body{background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius);overflow-wrap:break-word;word-break:break-word;min-width:0;max-width:100%;margin-bottom:1rem;padding:1rem 1.1rem;overflow-x:clip}.mb-article-body h2{margin:1rem 0 .4rem;font-size:1.05rem}.mb-article-body h3,.mb-article-body h4{margin:.85em 0 .4em;font-size:1rem}.mb-article-body p{margin:0 0 .85em}.mb-article-body p:empty{min-height:.85em}.mb-article-body div:has(>br:only-child){min-height:.85em;margin:0 0 .85em}.mb-article-body p:last-child{margin-bottom:0}.mb-article-body p[data-fmt-pre]{margin-bottom:.45em}.mb-article-body ol,.mb-article-body ul{margin:0 0 .85em;padding-left:1.4em}.mb-article-body li+li{margin-top:.25em}.mb-article-body blockquote{border-left:3px solid var(--mb-border);color:var(--mb-muted);margin:0 0 .85em;padding-left:1em}.mb-article-body :is(table,figure,.wp-block-image,.wp-caption) p{margin:0}.mb-article-body canvas,.mb-article-body embed,.mb-article-body iframe,.mb-article-body img,.mb-article-body object,.mb-article-body picture,.mb-article-body svg,.mb-article-body video{max-width:100%;height:auto}.mb-article-body img,.mb-article-body video{vertical-align:middle;display:inline-block}.mb-article-body .embed-preview,.mb-article-body .mb-embed,.mb-article-body .wp-block-image,.mb-article-body .wp-caption,.mb-article-body figure{max-width:100%;margin:.85rem auto}.mb-article-body .wp-block-image img,.mb-article-body .wp-caption img,.mb-article-body figure img{max-width:100%;height:auto}.mb-article-body .wp-caption-text,.mb-article-body .wp-element-caption,.mb-article-body figcaption{max-width:100%;color:var(--mb-muted);text-align:center;margin-top:.35rem;font-size:.82rem;display:block}.mb-article-body embed,.mb-article-body iframe,.mb-article-body object{width:100%;max-width:100%}.mb-article-body .mb-article-embed{aspect-ratio:16/9;writing-mode:horizontal-tb;width:100%;max-width:100%;margin:1rem 0;overflow:hidden}.mb-article-body .mb-article-embed iframe{border:0;width:100%;height:100%;display:block}.mb-article-youtube-link{margin:1rem 0}.mb-article-youtube-link a{border:1px solid var(--mb-border);background:#f8fafc;border-radius:8px;padding:.65rem 1rem;font-weight:600;text-decoration:none;display:inline-block}.mb-article-youtube-link a:hover{background:#eef2f7}.mb-article-body .aligncenter,.mb-article-body figure.aligncenter,.mb-article-body img.aligncenter{text-align:center;margin-left:auto;margin-right:auto;display:block}.mb-article-body .alignleft{float:left;max-width:50%;margin:.25rem 1rem .75rem 0}.mb-article-body .alignright{float:right;max-width:50%;margin:.25rem 0 .75rem 1rem}.mb-article-body .mb-quiz-image{text-align:center;width:100%;max-width:100%;margin:.85rem auto;display:block}.mb-article-body .mb-quiz-image--small{max-width:min(100%,480px)}.mb-article-body .mb-quiz-image--medium{max-width:min(100%,680px)}.mb-article-body .mb-quiz-image--large{max-width:100%}.mb-article-body .mb-quiz-image img,.mb-article-body .mb-quiz-image__img{width:auto;max-width:100%;height:auto;margin-left:auto;margin-right:auto;display:block}.mb-article-body img.mb-body-image--small{width:auto;max-width:min(100%,480px);height:auto}.mb-article-body img.mb-body-image--medium{width:auto;max-width:min(100%,680px);height:auto}.mb-article-body img.mb-body-image--large{width:auto;max-width:100%;height:auto}.mb-article-body:after{content:"";clear:both;display:table}.mb-article-body table{border-collapse:collapse;max-width:100%}.mb-article-body .table-responsive,.mb-article-body td[style*=width],.mb-article-body th[style*=width]{box-sizing:border-box;max-width:100%}.mb-article-body table table,.mb-article-body table[width],.mb-article-body td[width],.mb-article-body th[width]{max-width:100%}.mb-article-body td,.mb-article-body th{min-width:0}.mb-article-body .table-responsive .table-responsive{-webkit-overflow-scrolling:touch;width:100%;max-width:100%;display:block;overflow-x:auto}.mb-article-body .mb-lesson-table{table-layout:auto;display:table}.mb-article-body .mb-table-wrap{-webkit-overflow-scrolling:touch;max-width:100%;display:block;overflow-x:auto}.mb-article-body .mb-table-wrap>.mb-lesson-table{width:max-content;min-width:0;max-width:none}.mb-article-body .mb-table-wrap,.mb-article-body .table-responsive{-webkit-overflow-scrolling:touch;max-width:100%;display:block;overflow-x:auto}.mb-article-body .mb-table-wrap>table,.mb-article-body .table-responsive>table{table-layout:fixed;width:100%;max-width:100%}.mb-article-body .mb-table-wrap>.mb-lesson-table,.mb-article-body .table-responsive>table.mb-lesson-table,.mb-article-body .table-responsive>table.table{table-layout:auto;width:max-content;max-width:none}.mb-cta{background:var(--mb-cta);border:1px solid var(--mb-cta-border);border-radius:var(--mb-radius);margin-bottom:.75rem;padding:1rem}.mb-cta__badge{color:#1b7f3a;background:#dff0e4;border-radius:999px;margin-bottom:.35rem;padding:.1rem .45rem;font-size:.68rem;display:inline-block}.mb-cta h2{margin:0 0 .35rem;font-size:1rem}.mb-cta p{color:var(--mb-muted);margin:0 0 .65rem;font-size:.88rem}.mb-adsense-placeholder{background:var(--mb-ads);border-radius:var(--mb-radius);text-align:center;color:var(--mb-muted);border:1px dashed #cbbd9a;margin-bottom:1rem;padding:1.25rem;font-size:.8rem}.sei-blog-ad{min-height:90px;margin:1rem 0;overflow:hidden}.sei-blog-ad--blog-sidebar-middle{margin:0 0 1rem}.sei-blog-ad--blog-list-bottom{box-sizing:border-box;margin:0;padding-top:1.5rem}.mb-article-footer>.sei-blog-ad--blog-post-bottom{margin:.75rem 0 0;padding-top:0}.mb-article-category-pagination{margin-bottom:0}.sei-blog-ad ins.adsbygoogle{display:block}.sei-blog-ad--blog-sidebar-middle.sei-blog-ad--unfilled{visibility:hidden!important;height:0!important;margin:0!important;padding:0!important;display:none!important;overflow:hidden!important}.sei-blog-ad--blog-sidebar-middle:has(ins[data-ad-status=unfilled]){visibility:hidden!important;height:0!important;margin:0!important;padding:0!important;display:none!important;overflow:hidden!important}.mb-prevnext{grid-gap:.5rem;grid-template-columns:1fr 1fr;gap:.5rem;margin:1rem 0;display:grid}.mb-prevnext a,.mb-prevnext div{background:var(--mb-surface);border:1px solid var(--mb-border);border-radius:var(--mb-radius);color:inherit;padding:.65rem .75rem;font-size:.82rem;text-decoration:none!important}.mb-prevnext__label{color:var(--mb-muted);margin-bottom:.2rem;font-size:.68rem;display:block}.mb-empty{color:var(--mb-muted);padding:1rem 0;font-size:.9rem}.mb-editorial-warning{color:#5c4a00;background:#fff9e6;border:1px solid #e8c547;border-radius:6px;margin:0 0 1rem;padding:.75rem 1rem;font-size:.9rem}.mb-embed-preview{border:1px dashed var(--mb-border);background:#f8fafc;border-radius:8px;margin:1rem 0;padding:1rem}.mb-embed-preview__badge{margin:0 0 .35rem;font-weight:600}.mb-embed-preview__url{word-break:break-all;margin:.25rem 0}.mb-embed-preview__note{color:var(--mb-muted);margin:.5rem 0 0;font-size:.85rem}@media (max-width:900px){.mb-layout{grid-template-columns:1fr;overflow-x:clip}.mb-layout,.mb-sidebar{min-width:0;max-width:100%}.mb-sidebar{background:0 0;border:none;order:2;padding:0;position:relative}.mb-sidebar,.mb-sidebar__toggle{box-sizing:border-box;width:100%}.mb-sidebar__toggle{margin-bottom:.5rem;display:block}.mb-sidebar__backdrop{z-index:89;cursor:pointer;background:#00000059;border:0;margin:0;padding:0;display:block;position:fixed;inset:0}.mb-sidebar__content[data-collapsed=true]{display:none}.mb-sidebar__content[data-collapsed=false]{width:min(var(--mb-sidebar),100vw);box-sizing:border-box;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;z-index:90;max-width:100vw;height:100dvh;max-height:100dvh;padding:calc(64px + .85rem) .85rem max(.85rem,env(safe-area-inset-bottom,0px));background:var(--mb-surface);border-left:1px solid var(--mb-border);margin:0;display:block;position:fixed;top:0;right:0;overflow:hidden auto;transform:translate(0);box-shadow:-4px 0 24px #0000001f}.mb-sidebar__backdrop{height:100dvh}.mb-sidebar li a{box-sizing:border-box;align-items:center;min-height:44px;padding:.35rem .15rem;display:flex}.mb-sidebar a.mb-sidebar__all-time-link{align-items:flex-start;min-height:44px;padding:.35rem 0}.mb-sidebar__tag-link{box-sizing:border-box;align-items:center;min-width:0;max-width:100%;min-height:44px;padding:.35rem 0;display:flex}.mb-sidebar__tag-list{grid-template-columns:repeat(3,minmax(0,1fr))}.mb-sidebar__ranking-title{overflow-wrap:anywhere;word-break:break-word}.mb-sidebar__all-time-title{white-space:normal;text-overflow:unset;overflow:visible}.mb-article-body .table-responsive td[style*=width],.mb-article-body .table-responsive th[style*=width]{width:auto!important;max-width:100%!important}.mb-header__inner{flex-direction:column;align-items:flex-start}.mb-header__nav{justify-content:flex-start}.mb-prevnext{grid-template-columns:1fr}.mb-cards,.mb-related-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.mb-featured-card{grid-template-columns:minmax(0,42%) minmax(0,1fr)}.sei-blog-ad--blog-sidebar-middle{visibility:hidden!important;height:0!important;margin:0!important;padding:0!important;display:none!important;overflow:hidden!important}.mb-tabs:has(+.mb-layout) .mb-tabs__track{width:auto}.mb-tabs:has(+.mb-layout) .mb-tabs__track a{text-align:left;flex:none}}@media (max-width:600px){.mb-cards,.mb-featured-card{grid-template-columns:1fr}.mb-featured-card__body{padding:.85rem .95rem 1rem}.mb-featured-card__img,.mb-featured-card__placeholder{min-height:10rem}.mb-compact-list__item{padding:.65rem 0}.mb-compact-list__title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.9rem;display:-webkit-box;overflow:hidden}.mb-section-featured{grid-template-columns:1fr;padding:.65rem}.mb-section-featured__img,.mb-section-featured__placeholder{min-height:8rem}.mb-section__archive-link{margin-top:.7rem}.mb-related-cards{grid-template-columns:1fr}.mb-hero{padding:1.15rem 1rem}.mb-hero,.mb-hero--compact{background-position:50% 88%}.mb-hero--compact{padding:.9rem .95rem}.sei-blog{--mb-gutter:.85rem}}.mb-compact-list__meta,.mb-compact-list__title,.mb-recently-updated-list__meta,.mb-recently-updated-list__title{display:block}
.sei-blog{--gold:#b8963e;--gold-light:#d4a843;--gold-pale:#fbf4e3;--dark:#1c1c1e;--text:#2c2c2e;--border:#e5e0d8;--white:#fff;padding-top:64px;font-family:Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif}header#siteHeader{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#ffffffeb;transition:box-shadow .3s;position:fixed;top:0;left:0;right:0;overflow:visible}header#siteHeader.scrolled{box-shadow:0 2px 20px #00000014}.nav-inner{justify-content:space-between;align-items:center;gap:24px;max-width:1100px;height:64px;margin:0 auto;padding:0 24px;display:flex;overflow:visible}.nav-logo{flex-direction:column;flex-shrink:0;line-height:1.2;text-decoration:none;display:flex}.nav-logo .logo-jp{color:var(--dark);letter-spacing:.05em;font-family:Noto Serif JP,serif;font-size:15px;font-weight:700}.nav-links{align-items:center;gap:2px;list-style:none;display:flex}.nav-links>li{position:relative}.nav-links>li.nav-has-dropdown:after{content:"";height:14px;position:absolute;top:100%;left:0;right:0}.nav-links a{color:var(--text);white-space:nowrap;border-radius:6px;padding:8px 12px;font-size:13px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:block}.nav-links>li>a:hover,.nav-links a.is-active,.nav-mobile-drawer a.is-active{background:var(--gold-pale);color:var(--gold)}.nav-cta{background:var(--gold)!important;color:#fff!important;border-radius:6px!important;padding:8px 16px!important;font-weight:700!important}.nav-cta:hover{background:var(--gold-light)!important;color:#fff!important}.nav-dropdown{background:var(--white);opacity:0;visibility:hidden;z-index:9999;border:1px solid var(--border);pointer-events:none;border-radius:8px;min-width:180px;margin-top:0;padding:8px 0;list-style:none;transition:opacity .2s,visibility .15s;position:absolute;top:100%;left:0;box-shadow:0 8px 24px #0000001f}.nav-links>li:hover .nav-dropdown{opacity:1;visibility:visible;pointer-events:auto}.nav-dropdown a{white-space:nowrap;border-radius:0;padding:10px 20px;font-size:13px}.nav-dropdown a:hover{background:var(--gold-pale);color:var(--gold)}.nav-hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;display:none}.nav-hamburger span{background:var(--dark);border-radius:1px;width:22px;height:2px;transition:transform .25s,opacity .25s;display:block}.nav-hamburger.open span:first-child{transform:translateY(7px)rotate(45deg)}.nav-hamburger.open span:nth-child(2){opacity:0}.nav-hamburger.open span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.nav-mobile-overlay{z-index:98;opacity:0;background:#0006;transition:opacity .25s;display:none;position:fixed;inset:0}.nav-mobile-overlay.open{opacity:1;display:block}.nav-mobile-drawer{background:var(--white);z-index:99;width:min(300px,85vw);height:100vh;padding:72px 0 24px;transition:transform .25s;position:fixed;top:0;right:0;overflow-y:auto;transform:translate(100%);box-shadow:-4px 0 24px #00000026}.nav-mobile-drawer.open{transform:translate(0)}.nav-mobile-drawer a{color:var(--text);border-bottom:1px solid var(--border);padding:14px 24px;font-size:15px;font-weight:500;text-decoration:none;display:block}.nav-mobile-drawer a:hover{background:var(--gold-pale);color:var(--gold)}.nav-mobile-drawer .nav-cta{background:var(--gold-pale)!important;color:var(--gold)!important}.nav-mobile-drawer .nav-sub{padding-left:32px;font-size:14px}@media (max-width:700px){.nav-links{display:none}.nav-hamburger{display:flex}.course-link .c-icon{display:none}.course-link{padding:12px 10px;font-size:11px}}