:root{--bg:#fafaf7;--card:#fff;--ink:#16161a;--mute:#6b6b76;--line:#e4e4de;--acc:#5b3df5;--accsoft:#eeeaff;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#121216;--card:#1c1c22;--ink:#f2f2f5;--mute:#9a9aa6;--line:#2c2c35;--acc:#9a86ff;--accsoft:#2a2447}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{width:100%;max-width:680px;margin:auto;text-align:center;overflow-wrap:break-word;padding:clamp(28px,6vh,64px) 20px;padding-top:max(clamp(28px,6vh,64px),env(safe-area-inset-top,0px));padding-right:max(20px,env(safe-area-inset-right,0px));padding-bottom:max(clamp(28px,6vh,64px),env(safe-area-inset-bottom,0px));padding-left:max(20px,env(safe-area-inset-left,0px))}
a{color:var(--acc)}
h1{font-size:clamp(28px,5vw,40px);line-height:1.15;margin:0 auto 16px;letter-spacing:-.02em;text-wrap:balance}
h1 span{color:var(--acc)}
.sub{color:var(--mute);margin:0 0 24px;text-wrap:pretty}
.chips{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin:0 0 22px}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:44px;max-width:100%;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:9px 14px;border-radius:999px;text-decoration:none}
.chip:hover,.chip.on{border-color:var(--acc)}
.chip.on{background:var(--acc);color:#fff}
a:focus-visible{outline:3px solid var(--acc);outline-offset:4px}
.card{width:100%;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,4vw,28px)}
.lab{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--mute);margin:0 0 4px}
.pick{font-size:clamp(28px,6vw,34px);font-weight:700;margin:0 0 6px;color:var(--acc)}
.why{margin:0 0 16px;text-wrap:pretty}
.run{background:var(--accsoft);border-radius:12px;padding:12px 14px;font-size:15px;text-wrap:pretty}
h2{font-size:15px;color:var(--mute);margin:28px 0 12px;font-weight:600}
.how-we-choose{margin:6px auto 0}
.how-we-choose summary{width:fit-content;margin:0 auto;cursor:pointer;list-style:none}
.how-we-choose summary::-webkit-details-marker{display:none}
.how-we-choose summary::after{content:"+";margin-left:10px;font-size:18px;line-height:1}
.how-we-choose[open] summary{border-color:var(--acc);background:var(--accsoft)}
.how-we-choose[open] summary::after{content:"−"}
.how-we-choose summary:focus-visible{outline:3px solid var(--acc);outline-offset:4px}
.method{margin:16px auto 0;color:var(--mute);font-size:14px;text-wrap:pretty}
.method p{max-width:58ch;margin:0 auto}
footer{max-width:54ch;margin:26px auto 0;color:var(--mute);font-size:13px;text-wrap:pretty}
@media (max-width:360px){main{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.chips{gap:8px}.chip{font-size:14px;padding:9px 12px}}

.skip-link{position:absolute;top:8px;left:8px;transform:translateY(-160%);z-index:5;background:var(--card);padding:12px;border-radius:8px}
.skip-link:focus{transform:translateY(0)}
.byline{font-size:13px;color:var(--mute);margin:0 auto 20px}
.breadcrumb{font-size:14px;color:var(--mute);margin:0 auto 20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;list-style:none;padding:0;margin:0}
.breadcrumb li+li::before{content:"›";margin-right:8px}
.try-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;max-width:100%;padding:10px 18px;border:1px solid var(--acc);border-radius:999px;background:var(--acc);color:var(--bg);font-weight:600;text-decoration:none;margin:0 auto 20px}
.try-button:hover{text-decoration:underline;text-underline-offset:3px}
.prompt-tip{margin-top:16px}
.prompt-tip summary,.guide summary{width:fit-content;margin:0 auto;cursor:pointer;list-style:none;min-height:44px;display:flex;align-items:center;justify-content:center;padding:9px 14px}
.prompt-tip summary::-webkit-details-marker,.guide summary::-webkit-details-marker{display:none}
.prompt-tip summary::after,.guide summary::after{content:"+";margin-left:10px;font-size:18px;line-height:1}
.prompt-tip[open]>summary::after,.guide[open]>summary::after,.faq[open]>summary::after{content:"−"}
summary:focus-visible{outline:3px solid var(--acc);outline-offset:4px}
.prompt-tip p{margin:12px 0 0;padding:14px;background:var(--accsoft);border-radius:12px;font-size:15px}
.guide{margin:20px auto 0}
.guide>summary{font-weight:600;border:1px solid var(--line);border-radius:999px;background:var(--card)}
.guide[open]>summary{border-color:var(--acc);background:var(--accsoft)}
.guide-body{margin-top:16px;text-align:center}
.guide-body h2,.editorial h2{font-size:19px;line-height:1.3;color:var(--ink);margin:24px 0 10px}
.guide-body p,.editorial p{margin:0 0 16px;text-wrap:pretty}
.example{padding:16px;background:var(--accsoft);border-radius:12px;font-size:15px}
.sources{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:10px}
.sources a{display:inline-block;padding:6px 0}
.faq{border-top:1px solid var(--line);margin-top:12px}
.faq summary{font-weight:600;font-size:15px}
.faq p{margin:10px 0 16px}
.table-wrap{overflow-x:auto;margin-top:18px;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:14px;background:var(--card)}
caption{padding:14px;font-weight:600}
th,td{padding:12px 10px;border-top:1px solid var(--line);text-align:center;overflow-wrap:normal}
th{font-weight:600}
.intro{margin:24px auto 0;max-width:58ch}
.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 16px;margin-bottom:10px}
.footer-links a{display:inline-block;min-height:44px;padding:10px 0}
.editorial{margin-top:24px}
@media (max-width:360px){th,td{padding:10px 6px;font-size:13px}}
/* Keep long disclosure labels inside narrow screens and enlarged text layouts. */
summary{max-width:100%;overflow-wrap:anywhere}
summary::after{flex-shrink:0}
.guide,.table-wrap{min-width:0;max-width:100%}

.method p+p{margin-top:12px}