:root{--a4-bg:#FFFFFF;--a4-stone:#F3F1ED;--a4-ink:#2B2B2B;--a4-grey:#8C8C8C;--a4-mute:#5E5E5E;--a4-rule:#DAD6CF;--a4-focus:#161616}
*{box-sizing:border-box}
body{overflow-wrap:break-word}
main,section,figure{min-width:0}
html{-webkit-text-size-adjust:100%;background:#FFFFFF;color-scheme:light}
body{margin:0;background:#FFFFFF;color:#2B2B2B;font-family:Futura,"Century Gothic","Trebuchet MS",sans-serif;font-size:17px;line-height:1.65;font-variant-numeric:tabular-nums}
::selection{background:#2B2B2B;color:#FFFFFF}
a{color:#161616;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible{outline:2px solid #161616;outline-offset:3px}
.a4-col{max-width:760px;margin:0 auto;padding:0 16px}
.a4-top{background:#F3F1ED;border-bottom:1px solid #DAD6CF}
.a4-top .a4-col{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 20px;padding:16px 16px 12px}
.a4-mark{color:#161616;text-decoration:none;font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:.92rem;display:inline-flex;align-items:center;gap:10px}
.a4-mark svg{flex:0 0 auto}
.a4-nav{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.86rem}
.a4-nav a{color:#5E5E5E;text-decoration:none;padding:4px 0}
.a4-nav a:hover,.a4-nav a[aria-current]{color:#161616;text-decoration:underline}
.a4-main{padding-top:26px;padding-bottom:24px}
.a4-trail{font-size:.85rem;color:#5E5E5E;margin:0 0 6px}.a4-trail p{margin:0}
.a4-trail a{color:#5E5E5E}
h1{font-size:2rem;line-height:1.15;margin:.1em 0 .5em;font-weight:700;letter-spacing:-.01em;color:#161616}
h2{font-size:1.35rem;line-height:1.25;margin:0 0 .5em;font-weight:700;color:#161616}
h3{font-size:1.05rem;margin:1.2em 0 .3em;font-weight:700}
p,li{max-width:68ch}
li{margin:.25em 0}
strong{color:#161616}
.a4-lead{font-size:1.1rem}
.a4-sec{border-top:1px solid #DAD6CF;padding:30px 0 6px;margin-top:26px}
.a4-scroll{overflow-x:auto;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{border-bottom:1px solid #DAD6CF;padding:10px 12px 10px 0;text-align:left;vertical-align:top}
th{color:#5E5E5E;font-weight:400;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;border-bottom-color:#8C8C8C}
td:first-child{color:#161616}
.a4-cite{font-size:.82rem;color:#5E5E5E;font-style:italic;margin-top:12px}
.a4-cite a{color:#5E5E5E}
.a4-photo{margin:20px 0}
.a4-photo img{display:block;width:100%;height:auto;border:1px solid #DAD6CF;background:#F3F1ED}
.a4-photo figcaption{font-size:.78rem;color:#5E5E5E;margin-top:6px}
.a4-figs{display:grid;grid-template-columns:1fr;gap:18px;margin:22px 0;padding:0;list-style:none}
@media (min-width:640px){.a4-figs{grid-template-columns:1.3fr 1fr}.a4-figs .a4-fig:first-child{grid-row:span 2}}
.a4-fig{position:relative;background:#FFFFFF;border:1px solid #DAD6CF;padding:30px 18px 16px;margin:0}
.a4-fig::after{content:"";position:absolute;right:-1px;bottom:-1px;width:18px;height:18px;background:linear-gradient(135deg,#FFFFFF 50%,#DAD6CF 50%)}
.a4-tab{position:absolute;top:-1px;right:18px;background:#F3F1ED;border:1px solid #DAD6CF;border-top:0;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:#5E5E5E;padding:3px 10px 4px}
.a4-big{display:block;font-size:1.9rem;line-height:1.1;font-weight:700;color:#161616;margin:0 0 8px}
.a4-fig p{margin:0;font-size:.92rem;color:#2B2B2B}
.a4-fig--focus{background:#161616;border-color:#161616}
.a4-fig--focus::after{background:linear-gradient(135deg,#161616 50%,#F3F1ED 50%)}
.a4-fig--focus .a4-big,.a4-fig--focus p,.a4-fig--focus strong{color:#FFFFFF}
.a4-fig--focus .a4-tab{background:#FFFFFF;border-color:#FFFFFF;color:#161616}
.a4-fig--focus .a4-big{font-size:2.3rem}
.a4-ask{background:#F3F1ED;border:1px solid #DAD6CF;padding:14px 16px;margin:18px 0}
.a4-ask p{margin:0 0 8px}.a4-ask p:last-child{margin:0}
.a4-bars{margin:22px 0;padding:16px;background:#F3F1ED;border:1px solid #DAD6CF}
.a4-bars dl{margin:0}
.a4-row{display:grid;grid-template-columns:150px 1fr;gap:4px 14px;align-items:center;padding:7px 0;border-bottom:1px solid #DAD6CF}
.a4-row dt{font-size:.88rem}
.a4-row dd{margin:0;min-width:0;overflow:hidden;display:flex;align-items:center;gap:10px}
.a4-bar{display:block;height:14px;background:#8C8C8C;flex:0 0 auto}
.a4-bar--focus{background:#161616}
.a4-val{font-size:.85rem;white-space:nowrap}
.a4-scale{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,21.9%) 1fr;font-size:.75rem;color:#5E5E5E;margin:6px 0 0 164px}
.a4-faq{border-top:1px solid #DAD6CF;margin:0}
.a4-faq summary{font-weight:700;cursor:pointer;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.a4-faq summary::-webkit-details-marker{display:none}
.a4-faq summary::after{content:"+";font-weight:400}
.a4-faq[open] summary::after{content:"\2212"}
.a4-faq p{margin:0 0 16px}
.a4-disc{font-size:.85rem;color:#5E5E5E;margin:36px 0 0;padding-top:14px;border-top:1px solid #DAD6CF}
.a4-foot{background:#F3F1ED;border-top:1px solid #DAD6CF;margin-top:24px}
.a4-foot .a4-col{list-style:none;margin-top:0;margin-bottom:0;padding:16px 16px 28px;font-size:.82rem;color:#5E5E5E;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline}
.a4-foot a{color:#5E5E5E}
.a4-foot li+li::before{content:"/";margin-right:14px;color:#8C8C8C}
svg{max-width:100%;height:auto}
@media (max-width:520px){.a4-row{grid-template-columns:1fr}.a4-scale{margin-left:0}}
@media (min-width:760px){h1{font-size:2.5rem}}
/* Header and footer CTA 2026-11-12 */
.a4-cta{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;background:#161616;color:#FFFFFF;text-decoration:none;font-weight:700;font-size:.84rem;letter-spacing:.02em;white-space:nowrap;align-self:center}
@media (min-width:761px){.a4-top .a4-col{align-items:center}.a4-cta{order:2}.a4-top nav{order:3;flex-basis:100%}}
.a4-cta:hover{background:#2B2B2B;color:#FFFFFF;text-decoration:underline}
.a4-cta-foot{padding:20px 16px 18px;border-bottom:1px solid #DAD6CF;display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.a4-cta-line{margin:0;flex:1 1 360px;color:#2B2B2B;font-size:.95rem;line-height:1.6}
.a4-foot a.a4-cta-btn{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;background:#161616;color:#FFFFFF;text-decoration:none;font-weight:700;font-size:.9rem}
.a4-foot a.a4-cta-btn:hover{text-decoration:underline}
@media (max-width:760px){
.a4-cta{display:flex;justify-content:center;margin:4px -16px 0;white-space:normal;text-align:center;font-size:.875rem}
.a4-cta-line{font-size:.9rem}
.a4-top .a4-col{display:block;padding:6px 16px 4px}
.a4-mark{min-height:44px;padding:0 4px 0 0}
.a4-top nav{position:relative;margin:0 -16px}
.a4-top nav::after{content:"";position:absolute;top:0;right:0;bottom:0;width:28px;background:linear-gradient(90deg,rgba(243,241,237,0),#F3F1ED);pointer-events:none}
.a4-nav{flex-wrap:nowrap;overflow-x:auto;gap:8px;padding:0 28px 0 16px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.a4-nav::-webkit-scrollbar{display:none}
.a4-nav li{flex:0 0 auto}
.a4-nav a{display:inline-flex;align-items:center;min-height:44px;min-width:44px;padding:0 10px;white-space:nowrap}
.a4-nav li:first-child a{padding-left:0}
.a4-main{padding-top:16px}
.a4-trail a{display:inline-flex;align-items:center;min-height:44px}
h1{font-size:1.85rem;line-height:1.18}
.a4-photo img{aspect-ratio:16/9;object-fit:cover}
.a4-photo figcaption,.a4-tab,.a4-scale{font-size:.8125rem}
.a4-faq summary{min-height:44px;align-items:center}
h1,h2,.a4-faq summary{text-wrap:pretty}
.a4-foot .a4-col{align-items:center}
.a4-foot .a4-col{gap:8px 14px;padding-bottom:calc(28px + env(safe-area-inset-bottom))}
.a4-foot a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
}
/* strip-track 2026-11-12 */
.a4-strip{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin:22px 0;padding:10px 14px;border:1px solid rgba(0,0,0,.18);border-radius:8px;font-size:14.5px;line-height:1.45}
.a4-strip-tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;opacity:.8}
.a4-strip-txt{flex:1 1 280px;min-width:0}
.a4-strip-btn{flex:0 0 auto;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.a4-cta{min-height:44px;height:auto;white-space:normal;line-height:1.25;max-width:270px;text-align:center}
@media (max-width:760px){.a4-strip{padding:10px 12px}.a4-strip-btn{width:100%}.a4-cta{max-width:none}}