:root{
  --ink:#1c2420;--muted:#63716a;--line:#dbe3de;--soft:#f3f7f4;--paper:#fff;--accent:#176b4d;--accent2:#e8f4ed;--warn:#9a5a12;--warnbg:#fff4df;--dark:#11261d;--shadow:0 14px 36px rgba(17,38,29,.08);--radius:18px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fbfcfb;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.75}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}img{max-width:100%;height:auto}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.narrow{width:min(760px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--dark);color:#fff;font-weight:900}.brand strong{display:block;font-size:16px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em}.site-nav{display:flex;align-items:center;gap:22px}.site-nav a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:700}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px}.ad-disclosure{background:#f6f8f7;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);padding:7px 0}.hero{padding:72px 0 58px;background:linear-gradient(180deg,#eef8f2 0%,#fbfcfb 100%)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}.eyebrow{margin:0 0 8px;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:900;color:var(--accent)}h1,h2,h3{line-height:1.35;letter-spacing:-.025em}h1{font-size:clamp(34px,5.2vw,64px);margin:0 0 18px}h1 em{font-style:normal;color:var(--accent)}.hero-lead{font-size:18px;color:#45534c;max-width:680px}.hero-actions,.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.btn,.primary-btn,.secondary-btn,.buy-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 17px;font-weight:800;text-decoration:none;border:1px solid transparent;cursor:pointer}.primary-btn,.buy-btn{background:var(--accent);color:#fff}.secondary-btn{background:#fff;color:var(--ink);border-color:var(--line)}.hero-card,.card,.article-callout,.check-box,.product-browser,.trust-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:24px}.hero-card strong{font-size:20px}.hero-card ul{padding-left:20px;margin:14px 0 0}.section{padding:64px 0}.section.alt{background:var(--soft)}.section-head{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:28px}.section-head h2{font-size:32px;margin:0}.section-head>p{max-width:560px;margin:0;color:var(--muted)}.time-grid,.topic-grid,.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.time-card,.topic-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;color:var(--ink);text-decoration:none;transition:.18s transform,.18s box-shadow}.time-card:hover,.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.time-card.featured{border-color:#80b9a1;background:#f0faf4}.time-card span{display:block;font-size:12px;color:var(--muted)}.time-card strong{font-size:22px}.topic-card strong{display:block;font-size:18px;margin-bottom:5px}.topic-card p{margin:0;color:var(--muted);font-size:14px}.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:flow}.flow div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;position:relative}.flow div:before{counter-increment:flow;content:counter(flow);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent2);color:var(--accent);font-weight:900;margin-bottom:12px}.article-hero{padding:48px 0 34px;background:#f1f8f4;border-bottom:1px solid var(--line)}.breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:18px}.breadcrumbs a{color:var(--muted)}.article-hero h1{font-size:clamp(30px,4vw,48px);max-width:900px}.article-meta{font-size:13px;color:var(--muted)}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 270px;gap:42px;align-items:start;padding:46px 0 76px}.article-body{font-size:16px}.article-body h2{font-size:28px;margin:52px 0 16px;padding-top:6px}.article-body h3{font-size:21px;margin:32px 0 10px}.article-body p{margin:0 0 1.2em}.article-body ul,.article-body ol{padding-left:1.4em}.article-body li{margin:.45em 0}.lead-box{font-size:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:28px}.article-callout{padding:22px;margin:30px 0}.article-callout.warn{background:var(--warnbg);border-color:#eed0a5}.article-callout h3{margin-top:0}.toc{position:sticky;top:96px;border-left:2px solid var(--line);padding-left:18px}.toc strong{display:block;margin-bottom:10px}.toc a{display:block;color:var(--muted);text-decoration:none;font-size:13px;margin:8px 0}.comparison-simple{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}.comparison-simple th,.comparison-simple td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.comparison-simple th{background:var(--soft)}.check-box{padding:26px;margin:30px 0}.check-box fieldset{border:0;padding:0;margin:0 0 20px}.check-box legend{font-weight:900;margin-bottom:9px}.choice-row{display:flex;flex-wrap:wrap;gap:9px}.choice-row label{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px;cursor:pointer}.choice-row input{margin-right:6px}.check-box button{border:0}.check-result{scroll-margin-top:100px}.check-summary{background:var(--dark);color:#fff;border-radius:16px;padding:20px;margin-top:20px}.check-summary .eyebrow{color:#8fe1bd}.check-summary h3{margin:4px 0 8px}.check-summary p{margin:0;color:#d9e7e0}.check-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.check-result-card{border:1px solid var(--line);border-radius:14px;padding:17px;background:#fff}.check-result-card.needs{border-color:#efc98f;background:#fffaf1}.check-result-head{display:flex;align-items:center;justify-content:space-between}.check-result-head span{font-size:12px;font-weight:900;color:var(--warn)}.product-teaser{margin:34px 0;padding:23px;border:1px solid var(--line);border-radius:18px;background:#fff}.product-teaser-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:12px}.product-teaser-head h2,.product-teaser-head h3{margin:0}.product-status{font-size:13px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.product-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;display:flex;flex-direction:column}.product-card.compact .product-info h3{font-size:15px}.product-thumb{aspect-ratio:1.25/1;display:grid;place-items:center;background:#f7f9f8;padding:14px;color:var(--muted)}.product-thumb img{max-height:180px;object-fit:contain}.product-info{padding:16px;display:flex;flex-direction:column;flex:1}.product-info h3{font-size:17px;margin:4px 0 8px}.product-meta,.product-spec{font-size:12px;color:var(--muted);margin:0 0 7px}.feature-chips{display:flex;flex-wrap:wrap;gap:5px;margin:7px 0}.feature-chips span{font-size:11px;border-radius:999px;background:var(--accent2);color:#285b45;padding:4px 7px}.product-bottom{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:auto;padding-top:12px}.product-price{font-size:17px}.buy-btn{font-size:12px;padding:9px 11px}.product-browser{padding:22px}.browser-controls{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:18px}.browser-controls select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff}.browser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-with-compare{display:flex;flex-direction:column}.product-with-compare .product-card{flex:1}.compare-add{border:1px solid var(--line);background:#fff;padding:9px;border-radius:0 0 12px 12px;margin-top:-1px;font-weight:700}.compare-add.selected{background:var(--accent2);color:var(--accent)}.compare-bar{position:sticky;bottom:14px;background:var(--dark);color:#fff;padding:13px 15px;border-radius:14px;margin-top:20px;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;gap:12px}.compare-bar button{border:0;border-radius:9px;padding:9px 12px;font-weight:800}.compare-modal{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.52);padding:30px;overflow:auto}.compare-panel{max-width:1000px;margin:auto;background:#fff;border-radius:18px;padding:22px;position:relative}.compare-close{position:absolute;right:16px;top:14px;border:0;background:#eee;border-radius:50%;width:36px;height:36px;font-size:22px}.compare-scroll{overflow:auto}.compare-table{border-collapse:collapse;min-width:760px;width:100%;font-size:13px}.compare-table th,.compare-table td{padding:10px;border:1px solid var(--line);vertical-align:top}.compare-table th{background:var(--soft);width:130px}.trust-grid{grid-template-columns:repeat(3,1fr)}.trust-card{padding:22px}.trust-card h3{margin-top:0}.source-note{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:40px}.footer{background:var(--dark);color:#d9e5df;padding:42px 0}.footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px}.footer .brand{color:#fff}.footer p{font-size:13px;color:#b8c8c0}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.footer-links a{font-size:13px}.notice{font-size:13px;color:var(--muted)}.highlight-list{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin:20px 0}.highlight-list div{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}.highlight-list strong{display:block;color:var(--accent)}.faq details{border-bottom:1px solid var(--line);padding:15px 0}.faq summary{font-weight:800;cursor:pointer}.modal-open{overflow:hidden}
@media(max-width:900px){.hero-grid,.article-layout,.footer-grid{grid-template-columns:1fr}.toc{display:none}.time-grid,.topic-grid{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:1fr 1fr}.product-grid,.browser-grid{grid-template-columns:1fr 1fr}.highlight-list{grid-template-columns:repeat(2,1fr)}.trust-grid{grid-template-columns:1fr}.browser-controls{grid-template-columns:1fr}.site-nav{display:none;position:absolute;left:16px;right:16px;top:62px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.nav-toggle{display:block}}
@media(max-width:600px){.wrap,.narrow{width:min(100% - 22px,1120px)}.hero{padding:48px 0 38px}.section{padding:45px 0}.section-head{display:block}.section-head h2{font-size:27px}.time-grid,.topic-grid,.flow,.product-grid,.browser-grid,.check-result-grid{grid-template-columns:1fr}.article-layout{padding-top:30px}.article-body h2{font-size:24px}.product-bottom{align-items:flex-end}.footer-links{grid-template-columns:1fr}.highlight-list{grid-template-columns:1fr 1fr}.compare-modal{padding:10px}.ad-disclosure{font-size:11px}}