:root{--bg:#FFFBF4;--card:#FFF1DC;--text:#0B2A5B;--accent:#F28C28;--border:#E8D5B5;--muted:#5C6F93;--white:#FFFFFF;--font:"Hiragino Sans","Noto Sans JP","Yu Gothic",sans-serif}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8}
a{color:var(--text);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1{font-size:1.65rem;line-height:1.4;margin:16px 0 12px}
h2{font-size:1.35rem;line-height:1.45;margin:48px 0 16px}
h2::before{content:"";display:inline-block;width:10px;height:10px;margin-right:10px;border-radius:50%;background:var(--accent);vertical-align:middle}
h3{font-size:1.1rem;line-height:1.5;margin:4px 0 8px}
h4{font-size:.95rem;margin:0 0 4px}
.vh{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;clip:rect(0 0 0 0);white-space:nowrap}
.pr{margin:0;padding:6px 16px;background:var(--card);border-bottom:1px solid var(--border);font-size:13px;text-align:center}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:16px;top:8px;z-index:40;padding:10px 14px;background:var(--white);border:2px solid var(--text);border-radius:8px}
.site-header{position:sticky;top:8px;z-index:20;padding:8px 12px}
.bar{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:8px;padding:4px 6px 4px 18px;background:rgba(255,251,244,.94);border:1px solid var(--border);border-radius:999px}
.site-name{display:inline-flex;align-items:center;min-height:44px;font-weight:700;font-size:1.1rem;text-decoration:none}
.hsearch,.hsearch-link{position:relative;flex:1;min-width:0;display:flex;align-items:center}
.hsearch input{width:100%;min-height:44px;padding:0 14px 0 38px;font:inherit;font-size:15px;color:var(--text);background:var(--white);border:1px solid var(--border);border-radius:999px}
.hsearch .icon{position:absolute;left:14px}
.hsearch-link{gap:10px;min-height:44px;padding:0 14px;font-size:15px;color:var(--muted);background:var(--white);border:1px solid var(--border);border-radius:999px;text-decoration:none;white-space:nowrap}
.icon{position:relative;flex:none;width:15px;height:15px;border:2px solid var(--muted);border-radius:50%}
.icon::after{content:"";position:absolute;right:-5px;bottom:-6px;width:2px;height:7px;border-radius:2px;background:var(--muted);transform:rotate(-45deg)}
.suggest{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:30;margin:0;padding:6px;list-style:none;background:var(--white);border:1px solid var(--border);border-radius:16px;box-shadow:0 8px 24px rgba(11,42,91,.12)}
.suggest a{display:flex;align-items:center;gap:10px;min-height:44px;padding:4px 12px;border-radius:10px;text-decoration:none}
.suggest [aria-selected="true"] a{background:var(--card)}
.opt-code{flex:none;font-size:13px;font-weight:700;color:var(--muted)}
.menu{position:relative;flex:none}
.menu summary{display:flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--border);border-radius:999px;background:var(--white);font-weight:700;cursor:pointer;list-style:none}
.menu summary::-webkit-details-marker{display:none}
.menu nav{position:absolute;right:0;top:52px;min-width:220px;padding:8px;background:var(--white);border:1px solid var(--border);border-radius:20px}
.menu nav a{display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;text-decoration:none;font-size:15px}
.menu nav a[aria-current]{background:var(--card);font-weight:700}
main{display:block;max-width:1100px;margin:0 auto;padding:8px 16px 48px}
main.article{max-width:1040px}
.lead{margin:0 0 8px}
.muted,.date,.as-of,.price-note,.note,.link-note,.count,.code{color:var(--muted)}
.hl{text-decoration-line:underline;text-decoration-style:wavy;text-decoration-color:var(--accent);text-decoration-thickness:3px;text-underline-offset:10px;text-decoration-skip-ink:none}
.hero{padding:16px 0 8px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0;padding:0;list-style:none}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 16px;background:var(--white);border:1px solid var(--border);border-radius:999px;font-weight:700;text-decoration:none}
.chip[aria-current="true"]{background:var(--text);color:var(--white);border-color:var(--text)}
.chip .count{font-weight:400;font-size:14px;color:inherit}
.facts{display:grid;gap:10px;margin:16px 0 8px}
.fact{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 18px;background:var(--card);border:1px solid var(--border);border-radius:20px}
.fact p{margin:0}
.fact-label{font-size:14px;color:var(--muted)}
.fact-value{font-size:1.25rem;font-weight:700}
.features{display:grid;gap:16px}
.feature-item{display:flex;flex-direction:column;gap:8px}
.fcard{display:flex;flex-direction:column;gap:6px;height:100%;padding:16px;background:var(--card);border:1px solid var(--border);border-radius:24px;color:var(--text);text-decoration:none}
.fcard:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.deco{display:block;aspect-ratio:16/9;margin:0 0 6px;border:1px solid var(--border);border-radius:14px;background:repeating-linear-gradient(135deg,var(--white) 0 10px,var(--card) 10px 20px)}
.deco-illust{aspect-ratio:auto;border:0;border-radius:0;background:none}
.deco-illust img{display:block;width:100%;height:auto}
.fcode{font-size:13px;font-weight:700;color:var(--muted)}
.ftitle{font-size:1.15rem;font-weight:700;line-height:1.5}
.fdesc{font-size:14px;color:var(--muted)}
.fmore{margin-top:auto;padding-top:4px;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.hits{margin:0;padding:10px 16px 10px 2em;background:var(--white);border:1px solid var(--border);border-radius:16px;font-size:14px}
.hits a{display:inline-flex;align-items:center;min-height:44px}
.count-line{margin:8px 0;font-weight:700}
.count-line:empty{display:none}
.status{margin:0 0 12px}
.clear{min-height:44px;padding:0 18px;font:inherit;font-weight:700;color:var(--text);background:var(--white);border:1.5px solid var(--text);border-radius:999px;cursor:pointer}
.empty{padding:20px 22px;background:var(--card);border:1px solid var(--border);border-radius:20px}
.empty p{margin:0 0 10px}
.more{margin:8px 0 0}
.more a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}
.media{margin:0 0 10px;padding:0}
.media img{display:block;margin:0 auto}
img{max-width:100%;height:auto;border-radius:0;box-shadow:none;transform:none;filter:none;object-fit:fill}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0;padding:0}
.tag{display:inline-block;padding:1px 10px;background:var(--white);border:1px solid var(--border);border-radius:999px;font-size:13px}
.facts-list{margin:6px 0;padding-left:1.2em;font-size:14px}
.price{margin:8px 0 0;font-size:1.05rem;font-weight:700}
.as-of{font-size:13px;font-weight:400}
.price-note{margin:0;font-size:13px}
.steps{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.steps li{display:flex;gap:14px;align-items:flex-start;padding:20px 22px;background:var(--card);border:1px solid var(--border);border-radius:20px}
.step-no{display:inline-flex;flex:none;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--text);color:var(--white);font-weight:700}
.steps p{margin:2px 0 0}
.step-body{min-width:0;overflow-wrap:anywhere}
.steps h3{margin:2px 0 4px;font-size:1rem}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px;margin:8px 0 0;padding:0;list-style:none;font-size:13px;color:var(--muted)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"›";margin-right:4px}
.crumbs a{display:inline-flex;align-items:center;min-height:44px}
.labels{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 0}
.code-tag{display:inline-block;padding:2px 12px;background:var(--text);color:var(--white);border-radius:999px;font-size:13px;font-weight:700}
.toc{margin:8px 0 0}
.toc-title{display:none;margin:0 0 8px;font-weight:700}
.toc ul{display:flex;gap:8px;margin:0;padding:4px 0 10px;list-style:none;overflow-x:auto}
.toc a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;background:var(--white);border:1px solid var(--border);border-radius:999px;font-size:14px;white-space:nowrap;text-decoration:none}
.key-points{margin:0;padding:18px 22px 18px 2.2em;background:var(--card);border:1px solid var(--border);border-radius:20px}
.key-points li{margin:6px 0}
.type-map svg{display:block;width:100%;max-width:380px;height:auto;margin:0 auto}
.type-map a:focus-visible{outline:3px solid var(--accent)}
.table-wrap{overflow-x:auto;background:var(--white);border:1px solid var(--border);border-radius:16px}
table{border-collapse:separate;border-spacing:0;min-width:680px;width:100%;font-size:14px}
caption{caption-side:top;padding:12px 16px;text-align:left;font-weight:700}
th,td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
thead th{background:var(--card)}
tbody th{position:sticky;left:0;z-index:1;min-width:10em;background:var(--white);border-right:1px solid var(--border)}
thead th:first-child{position:sticky;left:0;z-index:2;border-right:1px solid var(--border)}
.product{margin:20px 0;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:20px}
.product-grid{display:grid;gap:16px}
.product h3{font-size:1.2rem}
.key-point{margin:6px 0;font-weight:700}
.conds{display:grid;gap:10px;margin:12px 0}
.cond{padding:12px 16px;background:var(--white);border:1px solid var(--border);border-radius:12px}
.cond ul{margin:0;padding-left:1.2em;font-size:14px}
.link-note{margin:16px 0 4px;font-size:14px}
.rakuten-link{margin:0;overflow-wrap:anywhere}
.notes ul,.updates{padding-left:1.2em}
.qa{margin:8px 0;padding:0 18px;background:var(--white);border:1px solid var(--border);border-radius:16px}
.qa summary{display:flex;align-items:center;min-height:48px;font-weight:700;cursor:pointer}
.qa p{margin:0 0 14px}
.codes td,.codes th{white-space:normal}
.page-links a{display:inline-flex;align-items:center;min-height:44px}
.site-footer{max-width:1100px;margin:48px auto 0;padding:24px 16px 40px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.footer-links{display:flex;flex-wrap:wrap;gap:4px 16px;margin:0 0 8px;padding:0;list-style:none}
.footer-links a{display:inline-flex;align-items:center;min-height:44px}
.site-footer p{margin:4px 0}
@media (min-width:600px){
.facts{grid-template-columns:repeat(3,1fr);gap:12px}
.fact{flex-direction:column;align-items:center;text-align:center;padding:18px}
.fact-value{font-size:1.5rem}
.features{grid-template-columns:repeat(2,minmax(0,1fr))}
.steps{grid-template-columns:repeat(3,1fr)}
.steps li{flex-direction:column}
.conds{grid-template-columns:1fr 1fr}
h1{font-size:2rem}
}
@media (min-width:960px){
.bar{gap:16px;padding-left:24px}
.hsearch,.hsearch-link{max-width:460px;margin:0 auto}
.hero{padding:40px 0 16px}
h1{font-size:2.4rem}
.features{grid-template-columns:repeat(3,minmax(0,1fr))}
.post{display:grid;grid-template-columns:minmax(0,1fr) 220px;column-gap:40px}
.post-head,.post-body{grid-column:1}
.toc{grid-column:2;grid-row:1/span 2;align-self:start;position:sticky;top:96px;margin:24px 0 0}
.toc-title{display:block}
.toc ul{flex-direction:column;gap:2px;overflow-x:visible}
.toc a{min-height:40px;padding:0 12px;background:none;border:0;border-left:2px solid var(--border);border-radius:0}
.product-grid{grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:28px;align-items:start}
}
@media (min-width:1280px){
main{padding-top:16px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}