@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');
:root{--navy:#102c40;--ink:#19394c;--teal:#00858c;--teal-dark:#006b73;--muted:#647b88;--line:#dce5e9;--soft:#f3f7f8;--tint:#eaf5f5;--white:#fff;--shadow:0 12px 36px #0d344410}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:#fff;font:14px/1.75 'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Yu Gothic',sans-serif;letter-spacing:.01em}a{color:inherit;text-decoration:none}a:hover{color:var(--teal)}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--teal);outline-offset:3px}input,select{min-width:0;max-width:100%;color:var(--ink);background:#fff;border:1px solid #bdcdd5;border-radius:4px;padding:9px 11px}input[type=checkbox]{accent-color:var(--teal)}button{border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink);padding:8px 13px;font-weight:600}button:hover{border-color:var(--teal);color:var(--teal)}.primary,.search button{color:#fff;background:var(--teal);border-color:var(--teal)}.primary:hover,.search button:hover{color:#fff;background:var(--teal-dark)}.wrap{max-width:1320px;padding:0 40px;margin:auto}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}.skip{position:fixed;left:20px;top:-60px;background:white;padding:8px 18px;z-index:100}.skip:focus{top:10px}.test-strip{background:var(--navy);color:#c9dae2;display:flex;justify-content:space-between;padding:6px max(24px,calc((100vw - 1240px)/2));font-size:11px;letter-spacing:.04em}.test-strip b{color:white;margin-left:12px;font-weight:500}.test-strip nav{display:flex;gap:17px}.test-strip a[aria-current]{color:#80e0df}.site-header{border-bottom:1px solid 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.large-count{font-family:Arial,sans-serif;font-size:42px;line-height:1.15;font-weight:600;letter-spacing:-.05em;color:var(--navy)}.large-count small{font:12px 'Noto Sans JP',sans-serif;margin-left:9px;letter-spacing:0;font-weight:500}.eyebrow{font-size:10px;letter-spacing:.15em;color:var(--teal);font-weight:700;margin-bottom:11px}.heading-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:32px 0 16px}.heading-row h2{font-size:20px;margin:0;letter-spacing:.03em}.heading-row a{font-size:12px;font-weight:600;color:var(--teal)}.heading-row a:after{content:' →'}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#fff}.category-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 10px 22px;border-right:1px solid var(--line);position:relative;transition:.18s}.category-card:last-child{border:0}.category-card:hover{background:var(--tint)}.category-card svg{height:61px;width:85px;margin-bottom:21px;color:var(--ink)}.category-card b{font-size:13px;line-height:1.5;min-height:39px}.category-card small{font-size:11px;color:var(--muted);margin-top:7px}.category-card .arrow{position:absolute;right:12px;bottom:14px;color:var(--teal)}.home-lower{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;margin-top:8px}.section-note{font-size:11px;color:var(--muted);margin-top:8px}.section-note strong{font-weight:500;color:var(--ink)}.home-table{border-top:2px solid var(--navy)}.home-product{display:grid;grid-template-columns:62px minmax(0,1fr) 160px 70px;gap:18px;align-items:center;padding:16px 5px;border-bottom:1px solid var(--line)}.home-product svg{height:49px;width:59px;background:var(--soft);border-radius:5px;padding:5px}.brand-label{font-size:10px;color:var(--muted);line-height:1.4;display:block;margin-bottom:5px}.model{font-size:17px;font-weight:700;letter-spacing:.01em;line-height:1.4}.home-product .tiny-spec{font-size:11px;color:var(--muted)}.home-product button{font-size:10px;padding:6px 8px}.small-panel{border:1px solid var(--line);border-radius:5px;padding:18px 21px;margin-bottom:16px}.small-panel h3{font-size:14px;margin:0 0 14px}.brand-cloud{display:flex;flex-wrap:wrap;gap:8px}.brand-cloud a{font-size:11px;border:1px solid var(--line);padding:5px 9px;border-radius:3px}.text-list{display:grid}.text-list a{font-size:12px;padding:11px 0;border-top:1px solid var(--line);line-height:1.6}.text-list a:first-child{border-top:0;padding-top:0}.text-list small{display:block;font-size:10px;color:var(--muted);margin-bottom:3px}.catalog{display:grid;grid-template-columns:220px 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@media(min-width:1500px){.wrap{max-width:1400px}.catalog{grid-template-columns:230px minmax(0,1fr)}.result-row{grid-template-columns:120px minmax(0,1fr) 95px}}
@media(max-width:1050px){.wrap{padding-left:25px;padding-right:25px}.home-lower{grid-template-columns:minmax(0,1fr) 230px;gap:25px}.home-product{grid-template-columns:50px 1fr 60px;gap:12px}.home-product .tiny-spec{display:none}.catalog{grid-template-columns:195px minmax(0,1fr);gap:23px}.result-row{grid-template-columns:90px minmax(0,1fr);gap:17px}.row-actions{grid-column:2;display:flex;align-items:center;margin-top:-5px}.row-actions button{padding:5px 12px}.row-specs{grid-template-columns:repeat(2,1fr)}.brand-index{grid-template-columns:repeat(3,1fr)}.brand-overview{grid-template-columns:repeat(2,1fr)}.product-columns{grid-template-columns:minmax(0,1fr) 220px;gap:26px}.product-hero{grid-template-columns:230px minmax(0,1fr);gap:28px}.key-facts{grid-template-columns:repeat(2,1fr)}.main-nav{gap:27px}.logo{font-size:23px}.search{width:420px}.article-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{font-size:13px}.wrap{padding-left:20px;padding-right:20px}.test-strip{padding:6px 14px;font-size:9px}.test-strip b{margin-left:5px}.test-strip nav{gap:10px}.header-main{padding-top:19px;padding-bottom:15px;display:block}.logo{font-size:24px;gap:13px;margin-bottom:20px}.logomark{font-size:32px}.search{width:100%;max-width:none}.search input{font-size:12px}.search button{font-size:12px;padding:7px 17px}.main-nav{gap:24px;min-height:47px}.main-nav a{height:47px;font-size:12px}.page-head{padding:25px 0 24px;align-items:center}.page-head h1{font-size:25px}.page-head p{font-size:10px}.page-head .large-count{font-size:32px}.large-count small{font-size:10px;margin-left:6px}.eyebrow{font-size:9px;margin-bottom:7px}.category-grid{grid-template-columns:repeat(2,1fr)}.category-card{flex-direction:row;text-align:left;flex-wrap:wrap;justify-content:start;gap:12px;padding:19px 14px;border-bottom:1px solid var(--line);min-height:110px}.category-card:nth-child(even){border-right:0}.category-card:last-child{grid-column:1/-1;min-height:80px}.category-card svg{height:44px;width:51px;margin:0}.category-card b{font-size:12px;min-height:0;flex:1;max-width:110px}.category-card small{margin:0;position:absolute;bottom:12px;left:77px;font-size:9px}.category-card:last-child small{position:static;margin-left:auto;margin-right:18px}.category-card .arrow{font-size:12px}.home-lower{display:block}.home-sidebar{display:grid;grid-template-columns:1fr;gap:0}.home-product{grid-template-columns:51px minmax(0,1fr) 58px;padding:16px 0}.home-product .model{font-size:16px}.brand-label{font-size:9px}.heading-row{margin-top:29px}.heading-row h2{font-size:18px}.heading-row a{font-size:10px}.small-panel{padding:19px;margin-bottom:15px}.home-sidebar .heading-row{margin-top:25px}.brand-cloud a{font-size:11px;padding:6px 10px}.breadcrumb{padding-top:17px;font-size:10px;gap:7px}.catalog{display:block}.filters{position:fixed;top:0;left:0;bottom:0;overflow:auto;width:min(350px,calc(100% - 40px));z-index:55;border-radius:0;transform:translateX(-105%);transition:transform .2s;background:white;padding:25px}.filters.open{transform:translateX(0)}.filters .filter-close{display:block;border:0;padding:0 5px;font-size:22px}.filters label{margin-top:23px}.filters select,.filters input{padding:11px;font-size:14px}.filters .field-note{font-size:11px}.filters .filter-submit{padding:12px}.filter-open{display:block;font-size:12px;padding:8px 12px}.drawer-backdrop.open{display:block;position:fixed;inset:0;background:#102c4070;z-index:54}.results-toolbar{flex-wrap:wrap;gap:10px;padding-bottom:13px}.results-toolbar strong{font-size:19px}.results-toolbar label{margin-left:auto;font-size:0}.results-toolbar select{font-size:10px;margin:0;max-width:127px;padding:8px 6px}.chips{margin:12px 0 4px}.result-row{grid-template-columns:73px minmax(0,1fr);gap:13px;padding:21px 0;align-items:start}.result-title{font-size:18px}.result-row .diagram-caption{font-size:8px}.result-row .product-diagram{margin-top:4px}.result-description{font-size:10px;line-height:1.65;margin:7px 0 10px;-webkit-line-clamp:2}.row-specs{gap:9px 12px;margin:0}.row-specs dt{font-size:9px}.row-specs dd{font-size:11px}.row-specs .long{font-size:10px}.row-actions{justify-content:space-between;margin-top:-2px}.row-actions button{font-size:10px;padding:5px 10px}.row-actions a{font-size:10px}.related-band{padding:18px}.related-grid{grid-template-columns:1fr}.brand-index-controls{padding:13px;display:block}.brand-index-controls input{width:100%;font-size:13px}.brand-index-controls small{display:block;margin-top:9px;font-size:10px}.brand-index{grid-template-columns:repeat(2,1fr);gap:10px}.brand-tile{padding:17px 14px;gap:9px}.brand-tile strong{font-size:13px}.brand-tile small{font-size:10px}.brand-tile .brand-categories{font-size:9px}.brand-overview{grid-template-columns:1fr;gap:12px}.brand-category{padding:21px;gap:20px}.brand-category h2{font-size:16px}.brand-category p{font-size:11px}.product-heading{margin:23px 0;gap:10px}.product-heading h1{font-size:34px}.product-heading .brand-label{font-size:11px}.product-status{font-size:8px;padding:3px 6px;max-width:90px;white-space:normal;text-align:center}.product-hero{display:block;padding-bottom:24px}.product-hero>.product-visual{width:210px;margin:0 auto 27px}.product-summary{font-size:12px;line-height:1.9;margin-bottom:20px}.key-facts{grid-template-columns:repeat(2,1fr)}.key-facts div{padding:12px 10px 12px 0}.key-facts dt{font-size:9px}.key-facts dd{font-size:13px}.key-facts dd small{font-size:9px}.product-actions{gap:8px}.product-actions button,.product-actions a{font-size:11px;padding:8px 12px}.section-nav{gap:25px;font-size:11px;padding:13px 0}.product-columns{display:block}.product-aside{padding-top:20px}.spec-section summary{padding:12px 13px;font-size:12px}.spec-section th,.spec-section td{padding:11px 12px;font-size:11px}.spec-section th{width:35%}.spec-section td small{font-size:9px}.purchase-box{margin-bottom:20px}.comparison-actions{display:block}.comparison-actions .compare-add{max-width:none;margin-top:13px}.compare-add select{width:100%;font-size:10px}.compare-add button{font-size:11px;white-space:nowrap}.comparison-note{font-size:10px;padding:12px}.pair-controls{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:15px 0}.pair-controls label{font-size:10px;min-width:0}.pair-controls select{display:block;width:100%;font-size:11px;padding:7px;margin-top:4px}.compare-table{font-size:10px;min-width:100%!important}.compare-table th,.compare-table td{padding:10px 9px}.compare-table thead th:first-child{width:88px}.compare-table thead th{padding:12px 8px}.compare-model{font-size:13px;margin-bottom:8px}.compare-table .brand-label{font-size:8px}.compare-table .mini-diagram{height:40px;margin:10px 0}.mini-diagram svg{height:40px;width:50px}.compare-table select{font-size:9px;padding:5px 1px}.compare-table .group-row th{padding:8px 10px}.compare-table td small{font-size:9px}.compare-scroll{max-height:72vh}.article-grid{grid-template-columns:1fr;gap:12px}.article-card{padding:20px}.article-card h2{font-size:16px}.article-layout h1{font-size:25px;line-height:1.6}.article-lead{padding:20px;font-size:13px}.article-original{display:block;padding:17px;font-size:11px}.article-original a{display:inline-block;margin-top:10px}.tool-form{grid-template-columns:1fr;padding:20px;gap:15px}.tool-output{font-size:15px;padding:20px}.tool-output strong{font-size:27px}.site-footer>.wrap{grid-template-columns:1fr;gap:18px}.site-footer .wrap>div:nth-child(2){justify-content:start;gap:22px;flex-wrap:wrap}.site-footer{padding-top:28px;padding-bottom:135px}.compare-tray{bottom:10px;width:calc(100% - 20px);padding:11px 12px;gap:10px;flex-wrap:wrap}.tray-title{font-size:10px}.tray-products{order:3;flex-basis:100%}.tray-link{font-size:11px;padding:6px 13px;margin-left:auto}.tray-clear{font-size:9px}.tray-item{font-size:10px;padding:4px 7px}.toast{bottom:125px;width:max-content;max-width:calc(100% - 32px);font-size:11px;padding:12px 17px}.page-head .count-side{max-width:90px;text-align:right}.listing-description{font-size:11px}.search-categories a{font-size:11px;padding:10px 14px}}
@media(max-width:359px){.wrap{padding-left:15px;padding-right:15px}.test-strip{padding:6px 10px}.test-strip nav{gap:7px}.test-strip nav a:first-child{font-size:0}.test-strip nav a:first-child:after{content:'一覧';font-size:9px}.logo{font-size:22px}.page-head h1{font-size:22px}.page-head .large-count{font-size:28px}.category-card{padding:17px 10px;gap:9px}.category-card svg{width:43px;height:40px}.category-card b{font-size:11px}.category-card small{left:62px}.result-row{grid-template-columns:59px minmax(0,1fr);gap:12px}.row-specs{column-gap:8px}.result-title{font-size:17px}.results-toolbar select{max-width:115px}.compare-table thead th:first-child{width:75px}.compare-table th,.compare-table td{padding:9px 7px}.brand-tile strong{font-size:12px}.product-heading h1{font-size:30px}}

.spec-note{margin-top:4px;font-weight:400}.spec-note summary{font-size:9px;color:var(--teal);cursor:pointer;list-style:none}.spec-note summary:before{content:"＋ ";}.spec-note[open] summary:before{content:"− ";}.spec-note small{display:block;margin-top:4px;font-size:10px;line-height:1.65;color:var(--muted)}
/* Mobile reading size: retain the compact grid while keeping source conditions legible. */
@media(max-width:760px){
  .row-specs dt,.key-facts dt{font-size:11px;line-height:1.55}
  .row-specs dd,.row-specs .long{font-size:12px;line-height:1.6}
  .key-facts dd{font-size:13px;line-height:1.65}
  .key-facts dd small,.spec-note summary,.spec-note small{font-size:11px;line-height:1.65}
  .spec-section th,.spec-section td{font-size:12px;line-height:1.75}
  .spec-section td small{font-size:11px;line-height:1.7}
  .compare-table{font-size:12px;line-height:1.7}
  .compare-table td small,.comparison-note{font-size:11px;line-height:1.7}
  .product-hero>.product-visual{width:180px;margin-bottom:23px}
}