/* 炭・生成り・真鍮。診断の機能・通信処理には適用しない。 */
:root{--ink:#2a211d;--sub:#66594f;--line:#e8e0d5;--bg:#faf7f2;--navy:#2a211d;--teal:#8f6733}
body{overflow-wrap:anywhere} :focus-visible{outline:3px solid #b8894a;outline-offset:4px}
.skip-link{position:absolute;left:12px;top:-80px;background:#fff;color:#2a211d;padding:12px;z-index:1000}.skip-link:focus{top:8px}
.usage-label{padding:14px 18px;margin:20px 0;background:#f5ead8;border-left:4px solid #8f6733;color:#2a211d;font-weight:700;font-size:14px}
.brand-label{color:#8f6733;letter-spacing:.08em}.brand-trust{font-size:15px;line-height:2;margin:20px 0;color:#2a211d}
.simple-page{max-width:1000px;margin:auto;padding:40px 24px}.simple-page h1{font-size:clamp(27px,5vw,42px);margin:24px 0}.simple-page h2{margin:28px 0 12px}
.entry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:20px;margin:28px 0}
.entry-card{padding:24px;border:1px solid #e8e0d5;border-radius:16px;background:#fff;color:#2a211d;text-decoration:none}.entry-card b{display:block;font-size:21px;margin-bottom:10px}.entry-card:hover{border-color:#8f6733}
.contact-frame{width:100%;min-height:700px;border:1px solid #e8e0d5;background:#fff}.contact-pending{padding:18px;background:#f5ead8;border-radius:12px}
.site-mini-nav{display:flex;flex-wrap:wrap;gap:16px;padding:18px 24px;background:#2a211d}.site-mini-nav a{color:#fff}
.site-mini-footer{padding:28px 24px;line-height:2;background:#2a211d;color:#f1e8dd}.site-mini-footer a{color:#f1e8dd;margin-right:15px}
@media(max-width:600px){.tool,.grid3,.facts,.two,.list{grid-template-columns:1fr!important}.nav-links{flex-wrap:wrap}.hero h1{font-size:clamp(30px,8vw,46px)}table{font-size:12px} th,td{overflow-wrap:anywhere;padding:8px!important}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

@media(max-width:600px){.hero{padding-top:48px;padding-bottom:48px}.hero h1{font-size:clamp(24px,6vw,30px);letter-spacing:.01em}}

header.page{background:linear-gradient(135deg,#2a211d,#514035)}.pr-rule{background:#f5ead8}.empty{background:#f6f1e8}
@media(max-width:600px){.hero{padding:0}.hero-in{padding:42px 20px 48px}}