:root{color-scheme:light;--ink:#23323c;--muted:#58656c;--line:#dce3e6;--paper:#fff;--accent:#176e81;--soft:#eaf3f5;--heading:28px;--h2:22px;--h3:18px;--body:16px;--card-title:16px;--small:14px;--button:14px}
*{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:var(--body)/1.7 "Noto Sans JP","Yu Gothic",Meiryo,sans-serif;word-break:normal;line-break:auto}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}img{max-width:100%;height:auto;display:block}button,input,select{font:inherit}button,a,select,input{touch-action:manipulation}button,select{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #cf8f25;outline-offset:4px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.4}h1{font-size:var(--heading)}h2{font-size:var(--h2)}h3{font-size:var(--h3)}p+p{margin-top:1em}.wrap{width:min(1160px,calc(100% - 48px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-row{display:flex;align-items:center;gap:24px;min-height:80px;padding-block:14px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;min-width:0}.brand img{width:38px;height:38px;flex-shrink:0}.brand strong{font-size:24px;line-height:1.3}.brand small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.main-nav{margin-left:auto;display:flex;gap:24px;align-items:center}.main-nav a{font-weight:700;text-decoration:none;color:var(--ink);font-size:14px}.menu-toggle{display:none;border:1px solid var(--line);border-radius:6px;background:#fff;min-height:44px;padding:8px 12px;flex-shrink:0;font-size:13px}.skip{position:absolute;left:8px;top:-80px;background:#fff;padding:10px;z-index:10}.skip:focus{top:8px}.home-main{padding-block:28px 60px}.section-head{display:flex;justify-content:space-between;gap:16px;align-items:baseline;margin-bottom:18px}.section-head small,.muted{color:var(--muted);font-size:var(--small)}.section-head h1,.section-head h2{font-size:22px}.eyebrow{font-size:12px;font-weight:700;color:var(--accent)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.article-card{min-width:0;border:1px solid var(--line);background:#fff;overflow:hidden}.article-card>a{display:block;text-decoration:none;color:var(--ink)}.card-media{aspect-ratio:16/10;display:flex;background:var(--soft);justify-content:center;align-items:center;overflow:hidden}.card-media img{width:100%;height:100%;object-fit:contain}.card-copy{padding:17px}.card-copy h3{font-size:var(--card-title);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;margin:7px 0 9px}.card-copy p,.card-copy time{font-size:var(--small);color:var(--muted)}.label{display:inline-block;color:var(--accent);font-size:12px;font-weight:700}.article-card a:hover h3{text-decoration:underline}.reading-entry{padding:24px 0}.toc-links{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:14px 0}.toc-links a{display:block;padding:7px 12px;border:1px solid var(--line);border-radius:4px;text-decoration:none;font-size:14px;background:#fff}.team{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}.team-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:20px 0}.team-person{display:flex;align-items:center;gap:12px;min-width:0}.team-person img{width:64px;height:69px;flex-shrink:0}.team-person strong{display:block;font-size:16px}.team-person p{font-size:13px;color:var(--muted)}.site-footer{padding:30px 0;border-top:1px solid var(--line);background:var(--soft)}.site-footer nav{display:flex;flex-wrap:wrap;gap:12px 24px;margin:14px 0}.site-footer a,.site-footer p{font-size:13px}.site-footer strong{font-size:17px}.breadcrumb{font-size:13px;color:var(--muted);margin:24px 0 18px}.article-layout{display:grid;grid-template-columns:minmax(0,820px) minmax(200px,1fr);gap:36px;align-items:start;padding-bottom:56px}.article-body{min-width:0}.article-title{padding:22px 24px;border:1px solid var(--line);background:var(--soft);margin-bottom:22px}.article-title h1{margin:7px 0 12px}.article-meta{font-size:13px;color:var(--muted)}.article-body p{margin:16px 0}.article-body h2{margin:36px 0 18px;padding:12px 16px;background:var(--soft);border-left:4px solid var(--accent)}.article-body h3{margin:25px 0 12px;padding-left:12px;border-left:2px solid var(--accent)}.lead-image{margin:0 0 22px}.diagram img{width:100%;max-height:390px;object-fit:contain}.lead-image figcaption,figcaption{font-size:13px;line-height:1.6;color:var(--muted);margin-top:10px}.product-lead{background:#fcf8f5;padding:22px;border-radius:4px}.product-lead img{max-height:420px;width:auto;margin-inline:auto}.wide-photo{margin:24px 0;background:#fcf8f5;padding:18px}.wide-photo img{margin:auto}.facts{margin:22px 0;padding:8px 18px;background:var(--soft);border:1px solid var(--line)}.facts>div{display:grid;grid-template-columns:140px minmax(0,1fr);gap:18px;padding:12px 0;border-bottom:1px solid var(--line)}.facts>div:last-child{border-bottom:0}.facts dt{font-weight:700}.facts dd{margin:0}.source-note{font-size:var(--small);color:var(--muted)}.table-scroll{max-width:100%;overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:6px}.compare{border-collapse:collapse;width:100%;min-width:590px;font-size:var(--body);line-height:1.7}.compare th,.compare td{padding:13px 16px;text-align:left;border-right:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:top}.compare tr:last-child>*{border-bottom:0}.compare tr>*:last-child{border-right:0}.compare thead{background:var(--accent);color:#fff}.compare tbody th{background:var(--soft);font-weight:700;min-width:125px}.compare td{min-width:136px}.steps{padding-left:26px;margin:20px 0}.steps li{padding:0 0 18px 6px}.steps li::marker{font-weight:700;color:var(--accent)}.steps strong{display:inline}.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.choice-grid section{min-width:0}.talk{display:flex;gap:14px;align-items:flex-start;margin:22px 0}.speaker{width:64px;flex-shrink:0;text-align:center}.speaker img{width:60px;height:64px}.speaker span{display:block;font-size:12px;font-weight:700}.bubble{flex:1;min-width:0;padding:16px 18px;border:1px solid var(--line);border-radius:0 14px 14px;background:var(--soft);overflow-wrap:anywhere}.buy-group{padding:22px;margin:24px 0;border:1px solid var(--line);border-radius:6px;background:#fff}.buy-group h3{margin:0 0 14px}.purchase-figure{margin:0}.purchase-figure img{width:100%;max-height:300px;object-fit:contain;background:var(--soft)}.buy-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.buy-buttons a{display:flex;justify-content:center;align-items:center;text-align:center;min-height:48px;padding:10px 12px;border:1px solid var(--accent);background:var(--accent);color:#fff;text-decoration:none;font-size:var(--button);font-weight:700;line-height:1.4;border-radius:5px;min-width:0;overflow-wrap:anywhere}.buy-buttons a:nth-child(2){background:#fff;color:var(--accent)}.buy-buttons a:nth-child(3){background:var(--soft);color:var(--ink);border-color:var(--line)}.buy-buttons a:hover{filter:brightness(.94)}.buy-buttons.service{grid-template-columns:minmax(0,1fr)}.buy-group .purchase-label{font-size:13px;display:block;margin-top:10px}.buy-group p{font-size:13px;margin-bottom:0}.qa{margin:26px 0}.qa dt{font-weight:700;background:var(--soft);border-left:3px solid var(--accent);padding:12px 16px;margin-top:18px}.qa dd{margin:0;padding:14px 16px}.end-note{margin:28px 0;padding:20px;border-top:2px solid var(--accent);background:var(--soft)}.end-note p{margin-bottom:0}.article-aside{padding-top:1px}.article-aside .aside-box{padding:20px;border:1px solid var(--line);margin-bottom:20px}.article-aside h2{font-size:17px;margin-bottom:12px}.article-aside p,.article-aside li{font-size:14px}.article-aside ul{padding-left:18px;margin:0}.sources{font-size:13px;overflow-wrap:anywhere}.sources ul{padding-left:18px}.related{margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}.related h2{margin-top:0}.related .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.calculator{padding:22px;border:1px solid var(--line);background:var(--soft);border-radius:8px}.calculator h2,.calculator h3{background:none;border:0;padding:0;margin:0 0 16px;font-size:18px}.calculator label{display:block;font-size:14px;font-weight:700;margin:12px 0 6px}.calculator select{padding:10px;width:100%;background:#fff;border:1px solid #a7b7be;border-radius:4px;color:var(--ink)}.calc-result{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.calc-result output{display:block;color:var(--accent);font-weight:800;font-size:24px}.calculator p{font-size:13px;margin:12px 0 0}.static-page{width:min(780px,100%);padding:18px 0 56px}.static-page h1{padding:20px;background:var(--soft);margin:10px 0 24px}.static-page h2{margin:28px 0 14px}.static-page p{margin:16px 0}.status-note{border-left:3px solid var(--accent);background:var(--soft);padding:18px}.article-card a:focus-visible{outline-offset:-4px}.nowrap{white-space:nowrap}
@media(max-width:767px){:root{--heading:18px;--h2:18px;--h3:16px;--body:15px;--card-title:14px;--small:13px;--button:13px}.wrap{width:calc(100% - 28px)}.header-row{gap:12px;min-height:66px;flex-wrap:wrap;padding-block:10px}.brand{flex:1;gap:9px}.brand strong{font-size:18px}.brand small{font-size:11px}.brand img{width:31px;height:31px}.menu-toggle{display:block}.main-nav{display:none;width:100%;margin:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 0}.main-nav.is-open{display:flex}.main-nav a{padding:12px;border-bottom:1px solid var(--line)}.home-main{padding-top:20px}.section-head{gap:10px;margin-bottom:13px}.section-head h1,.section-head h2{font-size:18px}.section-head small{font-size:12px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card-copy{padding:11px}.card-copy p{margin-top:7px}.card-media{aspect-ratio:4/3}.card-copy time{font-size:11px}.label{font-size:11px}.article-layout{display:block;padding-bottom:34px}.article-title{padding:16px;margin-bottom:18px}.article-aside{margin-top:30px}.article-aside .aside-box{padding:16px}.article-body h2{margin-top:30px;padding:11px 12px}.facts{padding:3px 14px}.facts>div{display:block;padding:10px 0}.facts dt{margin-bottom:4px}.facts dd{padding:0}.compare{font-size:15px;min-width:560px}.compare th,.compare td{padding:11px 13px}.choice-grid{display:block}.choice-grid section+section{border-top:1px solid var(--line)}.buy-group{padding:15px}.buy-buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.buy-buttons a{padding:9px;min-height:46px}.purchase-figure img{max-height:260px}.team-list{grid-template-columns:1fr;gap:18px}.team-person img{width:48px;height:52px}.team-person strong{font-size:15px}.team{margin-top:28px;padding-top:24px}.talk{gap:10px}.speaker{width:48px}.speaker img{width:46px;height:49px}.bubble{padding:13px}.speaker span{font-size:11px}.product-lead{padding:16px}.product-lead img{max-height:340px}.diagram img{max-height:none}.calculator{padding:17px}.calc-result output{font-size:22px}.lead-image figcaption,figcaption{font-size:12px}.toc-links{gap:8px}.toc-links a{font-size:13px;padding:7px 10px}.site-footer{padding:24px 0}}
@media(min-width:560px) and (max-width:767px){.buy-buttons{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{--accent:#176e81;--soft:#edf5f6;--paper:#f7f9fa;--ink:#203945;--line:#d6e2e6}.header-row{border-top:4px solid #176e81}.brand strong{font-weight:800}.home-dashboard{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr);gap:28px;align-items:start}.news-desk .cards{grid-template-columns:minmax(0,1fr)}.news-desk .card-media{aspect-ratio:16/7}.news-desk .article-card{border-radius:8px}.home-dashboard .calculator{background:#203945;color:#fff;border:0}.home-dashboard .calculator output{color:#9ed9df}.home-dashboard .calculator select{border:0}.home-dashboard .calc-result{border-color:#547481}.compare-desk{margin-top:30px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:8px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:26px}.compare-desk .cards{grid-template-columns:minmax(0,1fr)}.compare-desk .article-card{border:0}.compare-desk .card-copy{padding:14px 0 0}.mini-plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:18px 0;border-block:1px solid var(--line)}.mini-plans div{padding:18px 13px;border-right:1px solid var(--line)}.mini-plans div:last-child{border-right:0}.mini-plans dt{font-size:14px}.mini-plans dd{font-size:20px;font-weight:800;margin:6px 0;color:var(--accent)}.mini-plans small{font-size:12px;color:var(--muted)}.desk-topics{background:var(--soft);padding:18px 22px;border-radius:8px;margin-top:26px}.desk-topics h2{font-size:18px}.article-body{background:#fff;padding:24px;border:1px solid var(--line);border-radius:8px}.article-title{border-radius:5px}.article-body .calculator{margin:24px 0}.article-aside .aside-box{background:#fff;border-radius:6px}.news-desk .card-copy h3{font-size:19px}.comparison-intro p{font-size:14px;color:var(--muted)}
@media(max-width:767px){.home-dashboard{display:block}.news-desk .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.news-desk .card-media{aspect-ratio:4/3}.news-desk .card-copy h3{font-size:14px}.home-dashboard .calculator{margin-top:22px}.compare-desk{display:block;padding:17px;margin-top:22px}.compare-desk .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.comparison-intro{margin-top:20px}.mini-plans div{padding:13px 8px}.mini-plans dd{font-size:18px}.article-body{padding:16px;border-radius:6px}.desk-topics{padding:17px}.news-desk .article-card{border-radius:5px}}
@media(min-width:768px){.news-desk .card-copy h3,.skin-news .card-copy h3{font-size:16px}}