@charset "UTF-8";
:root{--ink:#202b35;--muted:#626d78;--subtle:#88919a;--teal:#087f78;--teal-dark:#06635e;--line:#e8ecee;--wash:#f5f7f8;--tint:#eff7f5;--max:1160px;--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.65}html[lang=ja] body{font-family:-apple-system,BlinkMacSystemFont,"Yu Gothic UI","Meiryo",sans-serif;line-height:1.85}html[lang=zh-Hant] body{font-family:-apple-system,BlinkMacSystemFont,"Microsoft JhengHei",sans-serif;line-height:1.85}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid 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/* Article: one reading column, one quiet navigation column. */
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@media(min-width:1500px){.hero{padding-block:85px 75px}.hero-photo{height:520px}}
@media(max-width:1100px){.container{width:calc(100% - 56px)}.header-inner{gap:20px}.desktop-nav{gap:20px;font-size:12px}.brand{font-size:18px}.language{padding:6px;font-size:11px}.hero{gap:36px;padding-top:47px}.hero h1{font-size:54px}.hero-photo{height:450px}.hero-intro{font-size:16px}.popular{gap:10px}.essentials-grid{gap:38px}.article-layout{grid-template-columns:minmax(0,1fr) 200px;gap:36px}.article-heading h1{font-size:44px}.tool-inner{gap:20px}.tool-inner h2{font-size:23px}.tool-inner>.button{padding:14px}.tool-symbol{width:65px;height:65px}.feature-image{height:240px}html[lang=ja] .hero h1{font-size:36px;letter-spacing:-1.4px}html[lang=zh-Hant] .hero h1{font-size:46px}.row-copy strong{font-size:17px}.article-heading{max-width:740px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.row-copy small{display:block;font-size:10px;font-weight:400;color:var(--muted);margin-top:9px;line-height:1.5}