:root{--paper:#f7f4ee;--ink:#1f1d1a;--muted:#655f56;--line:#dcd5c9;--accent:#a33a2c;--card:#fffdf9}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.7 Georgia,"Times New Roman","Hiragino Mincho ProN","Yu Mincho",serif}
a{color:var(--accent)}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;gap:6px 24px;justify-content:space-between;align-items:baseline;padding-top:18px;padding-bottom:14px}
.brand{font-weight:700;color:var(--ink);text-decoration:none}
nav a{margin-left:18px;font:15px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--muted);text-decoration:none}
nav a:first-child{margin-left:0}
nav a:hover{color:var(--accent)}
.hero{padding:56px 0 36px}
.hero .mark{font-size:64px;line-height:1;color:var(--accent);letter-spacing:.08em;margin:0 0 20px}
h1{font-size:40px;line-height:1.2;margin:0 0 16px}
h2{font-size:27px;line-height:1.3;margin:44px 0 12px}
.lead{font-size:20px;color:var(--muted);margin:0}
.answer{background:var(--card);border-left:4px solid var(--accent);padding:16px 20px;margin:24px 0}
.card{display:block;background:var(--card);border:1px solid var(--line);padding:20px 22px;margin:12px 0 40px;color:var(--ink);text-decoration:none}
.card:hover{border-color:var(--accent)}
.card strong{display:block;font-size:22px;line-height:1.3;margin-bottom:6px}
.card span{color:var(--muted)}
ol li{margin-bottom:12px}
.tablebox{overflow-x:auto;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:16px;line-height:1.5;background:var(--card)}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{background:#efe9df}
.kanji td:first-child{font-size:21px;white-space:nowrap}
.faq h3{font-size:19px;margin:22px 0 2px}
.faq p{margin:0}
footer{border-top:1px solid var(--line);margin-top:56px;padding:20px 0 32px;font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--muted)}
footer a{color:var(--muted);margin-right:16px}
@media(max-width:520px){body{font-size:17px}h1{font-size:31px}h2{font-size:24px}.hero{padding-top:36px}.hero .mark{font-size:48px}}