:root{--ink:#15212c;--muted:#596673;--blue:#204fd3;--line:#d9dfe6;--panel:#f1f4f8;--paper:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif;font-size:17px;line-height:1.85}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:5px}a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}p{word-break:keep-all;overflow-wrap:anywhere}.wrap{width:min(1240px,calc(100% - 64px));margin:auto}header{border-bottom:1px solid var(--line)}.mast{display:flex;align-items:center;justify-content:space-between;padding:26px 0;gap:30px}.brand{font-size:29px;font-weight:900;letter-spacing:-1.5px;white-space:nowrap}.brand span{font-size:12px;letter-spacing:2px;font-weight:600;vertical-align:middle;margin-left:22px}nav{display:flex;gap:28px;font-size:15px;font-weight:600}.hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:55px 0 50px;align-items:center}.kicker{font-size:13px;letter-spacing:1.6px;font-weight:700;color:var(--blue)}h1{font-size:clamp(40px,4.5vw,65px);line-height:1.25;letter-spacing:-2.5px;margin:20px 0 25px}h1 em{font-style:normal;color:var(--blue)}.hero p{color:var(--muted);font-size:17px}.button{display:inline-flex;gap:35px;justify-content:space-between;align-items:center;background:var(--blue);color:white;padding:15px 23px;font-size:15px;font-weight:700;margin-top:18px;border-radius:3px}.hero-image{margin:0;background:var(--panel);position:relative}.hero-image img{display:block;width:100%;height:480px;object-fit:cover}.hero-image figcaption{padding:13px 18px;display:flex;justify-content:space-between;font-size:12px;letter-spacing:1px}.entry{display:grid;grid-template-columns:.9fr 1fr 1fr 1fr;gap:25px;align-items:center;padding:23px 0;border-block:1px solid var(--line)}.entry a{font-size:15px;display:flex;gap:12px;align-items:center}.entry b{font-size:12px;color:var(--blue)}.entry a span{margin-left:auto}.guide-section{padding-top:65px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:25px}.section-head h2{font-size:30px;line-height:1.5;letter-spacing:-1px;margin:8px 0 0}.section-head p{font-size:14px;color:var(--muted);margin-bottom:5px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid var(--line);border-top:3px solid var(--ink);padding:26px;display:flex;flex-direction:column;min-width:0}.card-top{display:flex;justify-content:space-between;font-size:13px;color:var(--blue);font-weight:700}.card-top span:last-child{color:var(--muted)}h3{font-size:23px;line-height:1.5;letter-spacing:-.6px}.card h3{margin:23px 0 14px}.card p{font-size:16px;color:var(--muted);margin:0 0 27px}.read{font-size:14px;font-weight:700;margin-top:auto}.read span{float:right}.editor-note{margin:70px 0;display:grid;grid-template-columns:1fr 1.35fr;background:var(--panel);padding:44px 50px;gap:35px;align-items:center}.editor-note h2{font-size:31px;line-height:1.4;letter-spacing:-1px;margin:14px 0 0}.editor-note p{color:var(--muted)}footer{background:#15212c;color:white;padding:42px 0}.foot{display:flex;justify-content:space-between;gap:35px}.foot p,.foot small{font-size:13px;color:#b9c4cf}.foot nav{font-size:14px;flex-wrap:wrap;align-content:start}.skip{position:absolute;top:-90px;left:15px;padding:10px;background:white;z-index:5}.skip:focus{top:10px}.article{max-width:760px;margin:55px auto 85px}.article h1{font-size:clamp(34px,4vw,49px);line-height:1.35}.crumb,.meta{font-size:14px;color:var(--muted)}.lead{font-size:20px;color:var(--muted)}.article section{margin:40px 0}.article h2{font-size:25px;line-height:1.5;letter-spacing:-.5px}.article p{line-height:1.95}.toc{display:block;background:var(--panel);padding:24px 28px;margin:34px 0}.toc strong{display:block;font-size:16px;margin-bottom:12px}.toc a{display:block;font-size:15px;padding:5px 0;font-weight:400}.source,.disclosure{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:30px}.source a{text-decoration:underline}.source p{margin:6px 0}.next{border-top:2px solid var(--ink);padding-top:24px;margin-top:35px}.measure{display:grid;grid-template-columns:repeat(3,1fr);background:#edf2ff;padding:25px 10px;margin-top:30px;text-align:center}.measure strong{display:block;font-size:39px;color:var(--blue);line-height:1.5}.measure span{font-size:14px}.measure>div+div{border-left:1px solid #c7d4f8}@media(max-width:950px){.brand span{display:none}.hero{gap:25px}.hero-image img{height:430px}.entry{grid-template-columns:1fr 1fr}.grid{gap:15px}.card{padding:20px}.card h3{font-size:21px}.section-head p{display:none}}@media(max-width:680px){.wrap{width:calc(100% - 36px)}.mast{padding:18px 0;flex-wrap:wrap;gap:12px}.brand{font-size:26px}.mast nav{font-size:14px;gap:20px}.hero{grid-template-columns:1fr;padding:30px 0;gap:30px}h1{font-size:44px;letter-spacing:-2px}.hero-image img{height:310px}.entry{grid-template-columns:1fr;padding:20px 0;gap:17px}.entry a{font-size:16px}.grid{grid-template-columns:1fr;gap:18px}.guide-section{padding-top:40px}.section-head h2{font-size:26px}.card{padding:25px;min-height:0}.card h3{font-size:25px}.editor-note{grid-template-columns:1fr;padding:28px;gap:10px;margin:45px 0}.editor-note p br{display:none}.foot{flex-direction:column}.foot nav{gap:15px 22px}.article{margin:32px auto 55px}.article h1{letter-spacing:-1.2px}.measure span{font-size:12px}.toc{padding:20px}.article h2{font-size:23px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.comparison-wrap{overflow-x:auto;margin:24px 0}.comparison-table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.7}.comparison-table caption{text-align:left;font-weight:700;padding:0 0 12px}.comparison-table th,.comparison-table td{padding:14px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}.comparison-table thead{background:var(--panel)}.comparison-table th{font-weight:700}.check-note{padding:25px;background:var(--panel);line-height:2.2;font-size:16px}.buying .card:last-child{background:var(--panel)}@media(max-width:680px){.comparison-table{font-size:14px}.comparison-table th,.comparison-table td{padding:10px 8px}}
