:root{color-scheme:light;--ink:#17212b;--muted:#5e6973;--line:#d9dee2;--surface:#fff;--surface-soft:#f3f5f4;--teal-soft:#e8f4f0;--yellow-soft:#fff4cc;--teal:#0b6b58;--teal-dark:#084d41;--coral:#b94732;--yellow:#f1c75b;--focus:#1769aa;--max:1120px;font-synthesis:none;font-family:Inter,Noto Sans JP,Yu Gothic,YuGothic,Meiryo,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--surface);color:var(--ink);overflow-wrap:anywhere;margin:0;line-height:1.75}body,button,input,select{font-size:16px}[hidden]{display:none!important}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}a{color:var(--teal-dark);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{color:var(--coral)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}img,svg{max-width:100%;display:block}.skip-link{z-index:100;background:var(--ink);color:#fff;padding:.65rem .9rem;position:fixed;top:1rem;left:1rem;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:20;border-bottom:1px solid var(--line);backdrop-filter:blur(12px);background:#fffffff0;position:sticky;top:0}.header-inner,.footer-inner{width:min(calc(100% - 2rem), var(--max));margin-inline:auto}.header-inner{justify-content:space-between;align-items:center;gap:2rem;min-height:68px;display:flex}.brand{color:var(--ink);align-items:center;gap:.65rem;font-weight:800;text-decoration:none;display:inline-flex}.brand__mark{aspect-ratio:1;border-radius:4px;width:36px;height:36px}.desktop-nav,.site-footer nav{flex-wrap:wrap;gap:1.3rem;display:flex}.desktop-nav a,.site-footer a{color:var(--ink);font-size:.93rem;font-weight:650;text-decoration:none}.mobile-nav{display:none;position:relative}.mobile-nav summary{border:1px solid var(--line);cursor:pointer;border-radius:4px;align-content:center;gap:5px;width:42px;height:42px;padding:9px;list-style:none;display:grid}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav summary span{background:var(--ink);height:2px}.mobile-nav nav{border:1px solid var(--line);background:#fff;border-radius:6px;width:min(78vw,280px);display:grid;position:absolute;top:calc(100% + .6rem);right:0;box-shadow:0 12px 35px #17212b24}.mobile-nav nav a{border-bottom:1px solid var(--line);color:var(--ink);padding:.8rem 1rem;font-weight:650;text-decoration:none}.mobile-nav nav a:last-child{border-bottom:0}main{min-height:70vh}.page-shell,.article-shell,.tool-shell{width:min(calc(100% - 2rem), var(--max));margin-inline:auto}.page-shell{padding-block:3rem 5rem}.section-heading{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1.4rem;display:flex}.section-heading h1,.section-heading h2{margin:0 0 .65rem;line-height:1.35}.section-heading a{margin-bottom:.75rem;font-weight:700}.section-heading__eyebrow{color:var(--coral);text-transform:uppercase;margin-bottom:.2rem;font-size:.75rem;font-weight:800;display:block}.home-intro{isolation:isolate;border-bottom:1px solid var(--line);color:#fff;background:#10292f;position:relative;overflow:hidden}.home-intro:after{z-index:-1;content:"";background:#081c22a3;position:absolute;inset:0}.home-intro__media{z-index:-2;object-fit:cover;object-position:center;width:100%;height:100%;position:absolute;inset:0}.home-intro__inner{width:min(calc(100% - 2rem), var(--max));align-items:center;min-height:490px;margin-inline:auto;padding-block:3.5rem 2.5rem;display:flex}.home-intro__eyebrow{color:#ffe08a;text-transform:uppercase;font-size:.78rem;font-weight:800}.home-intro h1{color:#fff;letter-spacing:0;text-wrap:balance;max-width:16ch;margin:.55rem 0 1rem;font-size:3.65rem;line-height:1.1}.home-intro__copy>p{color:#ffffffe0;max-width:42rem;margin:0;font-size:1.05rem}.home-intro__points{color:#ffffffeb;border-top:1px solid #ffffff52;flex-wrap:wrap;gap:.7rem 1.4rem;margin:1.5rem 0 0;padding:1rem 0 0;font-size:.88rem;font-weight:700;list-style:none;display:flex}.home-intro__points li{align-items:center;gap:.4rem;display:inline-flex}.home-intro__points svg{color:#ffe08a}.home-intro__actions{align-items:center;gap:1.4rem;margin-top:1.6rem;display:flex}.home-intro__actions>a:not(.button-link){color:#fff;font-weight:700}.button-link.home-intro__primary{color:#17212b;background:#ffe08a;border-color:#ffe08a}.button-link.home-intro__primary:hover{color:#17212b;background:#fff;border-color:#fff}.home-intro__credit{right:max(1rem, calc((100vw - var(--max)) / 2));color:#ffffffad;font-size:.62rem;position:absolute;bottom:.25rem}.home-intro__credit a{color:inherit}.home-content{padding-top:0}.featured-guide{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);align-items:center;gap:4rem;padding-block:2.8rem;display:grid}.featured-guide__main{max-width:860px}.featured-guide__category{color:var(--teal-dark);margin:.55rem 0 0;font-size:.86rem;font-weight:750}.featured-guide h2{max-width:25ch;margin:.35rem 0 .8rem;font-size:2rem;line-height:1.35}.featured-guide h2 a{color:var(--ink);text-decoration:none}.featured-guide__main>p:not(.featured-guide__category){max-width:66ch;color:var(--muted)}.featured-guide__link,.article-card__read{align-items:center;gap:.35rem;font-weight:750;display:inline-flex}.featured-guide__link.button-link{color:#fff;margin-top:.45rem}.featured-guide__reasons{border-block:1px solid var(--line)}.featured-guide__reasons>div{border-bottom:1px solid var(--line);min-height:78px;color:var(--teal-dark);grid-template-columns:28px 1fr;align-items:center;gap:.8rem;padding-block:.8rem;display:grid}.featured-guide__reasons>div:last-child{border-bottom:0}.featured-guide__reasons span,.featured-guide__reasons strong,.featured-guide__reasons small{display:block}.featured-guide__reasons small{color:var(--muted);font-size:.7rem}.featured-guide__reasons strong{color:var(--ink);font-size:.88rem}.home-section{padding-top:3.5rem}.category-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:.9rem;display:grid}.category-grid--index{grid-template-columns:repeat(3,minmax(0,1fr))}.category-tile{border:1px solid var(--line);min-width:0;min-height:200px;color:var(--ink);background:#fff;border-radius:6px;grid-template-rows:auto 1fr auto;gap:1rem;padding:1.25rem;text-decoration:none;display:grid}.category-tile:hover{color:var(--ink);background:#f7faf9;border-color:#8cbcb1;transform:translateY(-2px)}.category-tile__icon{width:44px;height:44px;color:var(--teal-dark);border:1px solid #b7d5ce;border-radius:6px;place-items:center;display:grid}.category-tile__content{align-content:start;gap:.35rem;display:grid}.category-tile__content strong{font-size:1rem}.category-tile__content>span{color:var(--muted);font-size:.85rem}.category-tile__meta{color:var(--teal-dark);justify-content:space-between;align-items:center;font-size:.8rem;font-weight:750;display:flex}.home-lead{border-bottom:1px solid var(--line);background:var(--surface-soft)}.home-lead__inner{width:min(calc(100% - 2rem), var(--max));grid-template-columns:minmax(0,1.55fr) minmax(260px,.7fr);align-items:end;gap:4rem;min-height:360px;margin-inline:auto;padding-block:3.5rem 2.5rem;display:grid}.home-lead__eyebrow,.article-kicker,.affiliate-slot__label{color:var(--coral);letter-spacing:0;text-transform:uppercase;font-size:.78rem;font-weight:800}.home-lead h1{letter-spacing:0;max-width:18ch;margin:.5rem 0 1rem;font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.12}.home-lead p{max-width:48rem;color:var(--muted);margin:0;font-size:1.08rem}.home-lead__principles{border-top:4px solid var(--yellow);margin:0;padding:1rem 0 1rem 1.2rem}.home-lead__principles li+li{margin-top:.45rem}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.article-card{border:1px solid var(--line);border-top:4px solid var(--teal);background:var(--surface);border-radius:6px;flex-direction:column;min-width:0;min-height:310px;padding:1.5rem;transition:border-color .16s,box-shadow .16s,transform .16s;display:flex}.article-card:hover{border-color:#9abeb5;transform:translateY(-3px);box-shadow:0 12px 26px #17212b17}.article-card:only-child{grid-column:1/-1}.article-card__meta{color:var(--muted);justify-content:space-between;gap:1rem;font-size:.82rem;display:flex}.article-card__meta a{font-weight:750;text-decoration:none}.article-card h2{margin:.8rem 0;font-size:1.35rem;line-height:1.45}.article-card h2 a{color:var(--ink);text-decoration:none}.article-card p{color:var(--muted);margin:0}.article-card__read{align-self:flex-start;margin-top:auto;padding-top:1.25rem;font-size:.88rem;text-decoration:none}.article-card__read:after{background:var(--yellow);content:"";width:30px;height:2px;margin-left:.25rem}.tag-list{flex-wrap:wrap;gap:.8rem;margin:1rem 0 0;padding:0;list-style:none;display:flex}.tag-list a{font-size:.82rem;text-decoration:none}.tool-promo{border-block:1px solid var(--line);grid-template-columns:54px 1fr auto;align-items:center;gap:2rem;margin-top:3rem;padding:2rem 0;display:grid}.tool-promo__icon{color:#755200;background:#fff3ca;border-radius:6px;place-items:center;width:50px;height:50px;display:grid}.editorial-band{border-block:1px solid var(--line);grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:2.5rem;margin-top:3rem;padding-block:2.2rem;display:grid}.editorial-band h2{margin:.2rem 0 0;font-size:1.35rem;line-height:1.4}.editorial-band ul{color:var(--muted);margin:0;padding-left:1.2rem}.guide-index__header{max-width:760px;margin-bottom:2.2rem}.guide-index__header h1{margin:.3rem 0 .6rem;font-size:2.8rem;line-height:1.25}.guide-index__header>p:last-child{color:var(--muted);font-size:1.02rem}.guide-filters{border-block:1px solid var(--line);background:var(--surface-soft);grid-template-columns:minmax(260px,1fr) 240px auto;align-items:end;gap:1rem;margin-bottom:1.5rem;padding:1rem;display:grid}.guide-search{min-height:46px;color:var(--muted);background:#fff;border:1px solid #aeb7bd;border-radius:4px;align-items:center;gap:.6rem;padding-inline:.75rem;display:flex}.guide-search input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:0}.guide-category{gap:.3rem;display:grid}.guide-category>span{color:var(--muted);font-size:.75rem;font-weight:700}.guide-category select{min-height:46px;color:var(--ink);background:#fff;border:1px solid #aeb7bd;border-radius:4px;padding-inline:.7rem}#guide-count{color:var(--muted);white-space:nowrap;margin:0 0 .65rem;font-size:.85rem}.tool-promo h2,.tool-promo p{margin:0}.tool-promo p{color:var(--muted)}.button-link,.affiliate-slot a{border:1px solid var(--teal-dark);background:var(--teal-dark);color:#fff;border-radius:4px;justify-content:center;align-items:center;min-height:44px;padding:.65rem 1rem;font-weight:750;text-decoration:none;display:inline-flex}.button-link:hover,.affiliate-slot a:hover{background:var(--coral);border-color:var(--coral);color:#fff}.article-shell{grid-template-columns:minmax(0,760px) minmax(190px,1fr);gap:4rem;padding-block:3.5rem 6rem;display:grid}.article-header{border-bottom:1px solid var(--line);margin-bottom:2rem;padding-bottom:2rem}.article-header h1{letter-spacing:0;word-break:auto-phrase;text-wrap:balance;margin:.5rem 0 1rem;font-size:3.15rem;line-height:1.25}.article-header__description{max-width:62ch;color:var(--muted);font-size:1.08rem}.article-header__meta{color:var(--muted);flex-wrap:wrap;gap:1rem;font-size:.88rem;display:flex}.article-body{min-width:0}.article-body h2{border-bottom:2px solid var(--ink);margin:3rem 0 1rem;padding-bottom:.5rem;font-size:1.6rem;line-height:1.4}.article-body h2:before{background:var(--yellow);content:"";width:22px;height:4px;margin:0 .55rem .28rem 0;display:inline-block}.article-body h3{margin-top:2.2rem;line-height:1.45}.article-body p,.article-body li{max-width:72ch}.article-body table{border-collapse:collapse;width:100%;margin:1.5rem 0;font-size:.92rem}.article-body th,.article-body td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:.75rem}.article-body th{background:var(--surface-soft)}.article-aside{color:var(--muted);align-self:start;gap:1.6rem;font-size:.85rem;display:grid;position:sticky;top:100px}.article-aside strong{color:var(--ink)}.article-aside ul{padding-left:1.1rem}.article-aside__purchase{border:1px solid #b7d5ce;border-top:5px solid var(--teal);background:var(--teal-soft);border-radius:6px;padding:1.25rem}.article-aside__icon{background:var(--teal-dark);color:#fff;border-radius:4px;place-items:center;width:38px;height:38px;margin-bottom:.8rem;display:grid}.article-aside__purchase>strong{margin-top:.35rem;font-size:1rem;line-height:1.45;display:block}.article-aside__purchase ul{color:var(--ink);gap:.45rem;margin:.9rem 0 1rem;padding:0;list-style:none;display:grid}.article-aside__purchase li{align-items:center;gap:.4rem;display:flex}.article-aside__purchase li svg{color:var(--teal);flex:none}.article-aside__purchase .button-link{width:100%;font-size:.85rem}.article-aside__toc{border-left:1px solid var(--line);padding-left:1.2rem}.article-aside__toc ul{margin-bottom:0}.disclosure,.claim,.affiliate-slot{border-radius:6px;margin:1.5rem 0}.disclosure{border-left:4px solid var(--yellow);background:#fff8df;gap:.8rem;padding:.8rem 1rem;font-size:.86rem;display:flex}.disclosure strong{flex:none}.claim{background:#f0f8f6;border:1px solid #afd2c9;padding:1.1rem 1.2rem}.claim__label{color:var(--teal-dark);font-size:.78rem;font-weight:800}.claim__body p{margin:.35rem 0}.claim__meta{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.75rem}.affiliate-slot{border:1px solid #b7d5ce;border-left:6px solid var(--coral);background:var(--teal-soft);grid-template-columns:52px minmax(0,1fr) minmax(190px,auto);align-items:center;gap:1.2rem;min-height:170px;padding:1.5rem;scroll-margin-top:6rem;display:grid;box-shadow:0 12px 30px #17212b14}.affiliate-slot__icon{background:var(--teal-dark);color:#fff;border-radius:6px;place-items:center;width:50px;height:50px;display:grid}.affiliate-slot__content>strong{margin-top:.15rem;font-size:1.1rem;line-height:1.45;display:block}.affiliate-slot__content p{color:#3f514d;margin:.25rem 0 0}.affiliate-slot__content ul{color:var(--muted);flex-wrap:wrap;gap:.35rem 1rem;margin:.65rem 0 0;padding:0;font-size:.8rem;list-style:none;display:flex}.affiliate-slot__content li:before{content:"✓";color:var(--teal);margin-right:.3rem;font-weight:800}.affiliate-slot__status{color:var(--muted);white-space:nowrap;border:1px solid #b9c2c7;border-radius:4px;align-self:center;padding:.5rem .7rem;font-size:.82rem}.affiliate-slot>a{text-align:center;justify-self:end;width:100%;max-width:260px}.affiliate-slot[data-placement=after-conclusion]{border-color:var(--ink);border-left-color:var(--yellow);background:var(--ink);color:#fff;margin-top:2rem;box-shadow:0 14px 34px #17212b29}.affiliate-slot[data-placement=after-conclusion] .affiliate-slot__icon{background:var(--yellow);color:var(--ink)}.affiliate-slot[data-placement=after-conclusion] .affiliate-slot__label,.affiliate-slot[data-placement=after-conclusion] .affiliate-product__source{color:#ffe08a}.affiliate-slot[data-placement=after-conclusion] .affiliate-slot__content p,.affiliate-slot[data-placement=after-conclusion] .affiliate-slot__content ul,.affiliate-slot[data-placement=after-conclusion] .affiliate-product__notice{color:#ffffffc7}.affiliate-slot[data-placement=after-conclusion] a{border-color:var(--yellow);background:var(--yellow);color:var(--ink)}.affiliate-slot[data-placement=after-conclusion] a:hover{color:var(--ink);background:#fff;border-color:#fff}.affiliate-product{border-top:1px solid #879e9894;grid-column:1/-1;grid-template-columns:120px minmax(0,1fr);align-items:center;gap:.9rem;width:100%;margin-top:.4rem;padding-top:1rem;display:grid}.affiliate-product__image{object-fit:contain;background:#fff;width:120px;height:100px}.affiliate-product--text-only{grid-template-columns:minmax(0,1fr)}.affiliate-product__body{min-width:0}.affiliate-product__body>strong{overflow-wrap:anywhere;margin:.15rem 0 .65rem;font-size:.94rem;display:block}.affiliate-product__source{color:var(--coral);font-size:.72rem;font-weight:800}.affiliate-product__notice{color:var(--muted);grid-column:1/-1;font-size:.7rem;line-height:1.55}.evidence-list{gap:1rem;display:grid}.evidence-item{border:1px solid var(--line);border-radius:6px;padding:1.2rem}.evidence-item__heading{justify-content:space-between;gap:1rem;display:flex}.evidence-item__heading span{color:var(--muted);font-size:.8rem}.evidence-item dl{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.evidence-item dl div{min-width:0}.evidence-item dt{color:var(--muted);font-size:.75rem}.evidence-item dd{margin:0;font-size:.85rem}.evidence-item p{color:var(--muted);margin-bottom:0;font-size:.85rem}.update-history{border-block:1px solid var(--line);margin-top:2rem;padding-block:1rem}.update-history summary{cursor:pointer;font-weight:750}.filter-list{border:1px solid var(--line);background:var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;padding:0;list-style:none;display:grid}.filter-list a{min-height:94px;color:var(--ink);background:#fff;flex-direction:column;justify-content:space-between;padding:1rem;font-weight:750;text-decoration:none;display:flex}.filter-list span{color:var(--muted);font-size:.82rem;font-weight:500}.policy-content{max-width:760px}.policy-content h1{margin-bottom:.6rem;font-size:clamp(2rem,5vw,3.2rem);line-height:1.25}.policy-content h2{border-bottom:1px solid var(--line);margin-top:2.5rem;padding-bottom:.45rem;line-height:1.4}.policy-status{color:var(--muted);font-size:.88rem}.tool-shell{padding-block:3rem 6rem}.tool-header{max-width:760px;margin-bottom:2rem}.tool-header h1{margin-bottom:.7rem;font-size:clamp(2rem,5vw,3.4rem);line-height:1.2}.tool-header p{color:var(--muted)}.calculator{border-block:1px solid var(--line);grid-template-columns:minmax(0,1fr) minmax(260px,.8fr);gap:3rem;padding-block:2rem;display:grid}.calculator-fields{gap:1.3rem;display:grid}.field{gap:.4rem;display:grid}.field label{font-weight:750}.field small{color:var(--muted)}.field input,.field select{width:100%;min-height:46px;color:var(--ink);background:#fff;border:1px solid #aeb7bd;border-radius:4px;padding:.55rem .7rem}.calculator-result{border-left:1px solid var(--line);padding-left:2rem}.result-number{color:var(--teal-dark);margin:.3rem 0;font-size:clamp(2.5rem,7vw,4.7rem);font-weight:850;line-height:1.1}.result-breakdown{padding:0;list-style:none}.result-breakdown li{border-bottom:1px solid var(--line);justify-content:space-between;gap:1rem;padding-block:.55rem;display:flex}.notice{border-left:4px solid var(--yellow);background:#fff8df;margin-top:2rem;padding:1rem}.site-footer{border-top:1px solid var(--line);background:var(--surface-soft)}.footer-inner{grid-template-columns:1fr 1fr;align-items:center;gap:3rem;min-height:190px;display:grid}.site-footer p{color:var(--muted);font-size:.9rem}.empty-state{color:var(--muted);border:1px dashed #aeb7bd;padding:2rem}@media (width<=800px){.desktop-nav{display:none}.mobile-nav{display:block}.home-intro__inner,.featured-guide,.editorial-band,.article-shell,.calculator,.footer-inner{grid-template-columns:1fr}.home-intro__inner{min-height:400px;padding-block:2.5rem 2rem}.featured-guide{gap:1.5rem}.category-grid,.category-grid--index{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-band{gap:1.2rem}.guide-filters{grid-template-columns:1fr 210px}#guide-count{grid-column:1/-1;margin:0}.home-lead__inner{gap:2rem;min-height:430px;padding-block:2.5rem 2rem}.home-lead h1{font-size:2.65rem}.article-shell{gap:2rem}.article-header h1{font-size:2.5rem}.article-aside{display:none}.article-grid,.filter-list{grid-template-columns:1fr}.calculator-result{border-top:1px solid var(--line);border-left:0;padding:2rem 0 0}.footer-inner{padding-block:2.5rem}}@media (width<=560px){.page-shell,.article-shell,.tool-shell,.header-inner,.footer-inner,.home-intro__inner,.home-lead__inner{width:min(calc(100% - 1.25rem), var(--max))}.home-lead h1{font-size:2.25rem}.home-intro h1{font-size:2.45rem}.home-intro__credit{top:.35rem;bottom:auto;right:.65rem}.home-intro__actions{flex-direction:column;align-items:flex-start}.home-intro__points{flex-direction:column;align-items:flex-start;gap:.55rem}.featured-guide h2{font-size:1.55rem}.article-header h1{font-size:2rem}.category-grid,.category-grid--index,.guide-filters{grid-template-columns:1fr}.category-tile{min-height:180px}.guide-index__header h1{font-size:2.2rem}#guide-count{grid-column:auto}.section-heading,.article-card__meta,.affiliate-slot,.disclosure,.evidence-item__heading,.tool-promo{flex-direction:column;align-items:flex-start}.article-body table{display:block;overflow-x:auto}.evidence-item dl{grid-template-columns:1fr}.tool-promo{display:flex}.affiliate-slot{grid-template-columns:42px 1fr}.affiliate-slot__icon{width:40px;height:40px}.affiliate-slot__status,.affiliate-slot>a{grid-column:1/-1;justify-self:stretch;width:100%;max-width:none}.affiliate-product{grid-template-columns:84px minmax(0,1fr)}.affiliate-product--text-only{grid-template-columns:minmax(0,1fr)}.affiliate-product__image{width:84px;height:84px}}