:root{--paper:#FCFBF8;--card:#FFFFFF;--ink:#1C1A19;--muted:#5B5653;--line:#2A2725;--tint:#F0EEEA;--accent:#6B2F55;--accent-ink:#FFFFFF;
--display:'Yusei Magic','Hiragino Maru Gothic ProN','Zen Maru Gothic',sans-serif;--body:'Zen Maru Gothic','Hiragino Maru Gothic ProN','Yu Gothic','Meiryo',sans-serif}
@media (prefers-color-scheme:dark){:root{--paper:#171514;--card:#211E1D;--ink:#F3EFEC;--muted:#B9B1AC;--line:#CFC7C2;--tint:#2C2826;--accent:#D9A3C6;--accent-ink:#1C1A19;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.8}
.wrap{max-width:760px;margin:0 auto;padding:24px 16px 64px}
h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.35;margin:0}
h1{font-size:34px}h2{font-size:26px;margin-top:36px}h3{font-size:21px}
p{margin:.6em 0}
a{color:var(--accent)}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:2px dashed var(--line);margin-bottom:20px}
.top a{font-weight:700;text-decoration:none}
.brand{font-family:var(--display);font-size:20px}
.card{background:var(--card);border:2px solid var(--line);border-radius:22px;padding:20px;margin:14px 0}
.choice{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin:20px 0}
.choice a{display:block;text-decoration:none;color:var(--ink);background:var(--card);border:2.5px solid var(--line);border-radius:24px;padding:22px;min-height:180px}
.choice a:hover,.choice a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.choice .big{font-family:var(--display);font-size:28px;color:var(--accent)}
.sub{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.sub a{display:block;text-decoration:none;color:var(--ink);background:var(--tint);border-radius:18px;padding:14px 16px;font-weight:700}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);border:0;border-radius:999px;padding:12px 26px;font:700 18px var(--body);text-decoration:none;cursor:pointer;min-height:48px}
.btn.ghost{background:transparent;color:var(--accent);border:2px solid var(--accent)}
.tag{display:inline-block;background:var(--ink);color:var(--paper);border-radius:999px;padding:2px 12px;font-size:14px;font-weight:700}
.muted{color:var(--muted);font-size:15px}
ul.lessons{list-style:none;padding:0;margin:8px 0}
ul.lessons li{border-top:1.5px dotted var(--line)}
ul.lessons a,ul.lessons label{display:flex;gap:12px;align-items:center;padding:12px 4px;text-decoration:none;color:var(--ink);cursor:pointer}
ul.lessons .pg{margin-left:auto;font-weight:700;color:var(--muted);font-size:15px;white-space:nowrap}
input[type=checkbox]{width:24px;height:24px;accent-color:var(--accent);flex:none}
.done{color:var(--muted);text-decoration:line-through}
.viewer img{display:block;width:100%;height:auto;border:2px solid var(--line);border-radius:14px;background:#fff}
.nav{display:flex;justify-content:space-between;gap:10px;margin:14px 0;flex-wrap:wrap}
.foot{margin-top:48px;padding-top:12px;border-top:2px dashed var(--line);font-size:13px;color:var(--muted)}
table{border-collapse:collapse;width:100%}td,th{border:1.5px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}th{background:var(--tint);white-space:nowrap}
.gate{max-width:420px;margin:12vh auto 0;text-align:center}
.gate input[type=password]{width:100%;font:20px var(--body);padding:12px 14px;border:2px solid var(--line);border-radius:14px;margin:14px 0;background:var(--card);color:var(--ink)}
.err{color:#B3261E;font-weight:700;min-height:1.5em}
.top a{white-space:nowrap}.top .brand{font-size:17px}
@media (max-width:520px){table,tbody,tr,th,td{display:block;width:100%}th{border-bottom:0;border-radius:10px 10px 0 0}td{border-top:0;margin-bottom:10px}}
.hero{background:var(--card);border:2.5px solid var(--line);border-radius:28px;padding:28px 22px;margin:8px 0 20px;position:relative;overflow:hidden}
.hero h1{font-size:40px;margin:8px 0}
.hero .lead{font-size:19px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.pills a{background:var(--tint);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--ink);font-weight:700;font-size:15px}
.lockbtn{background:var(--ink);color:var(--paper)!important;border-radius:999px;padding:6px 14px;font-size:15px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.feat{background:var(--card);border:2px solid var(--line);border-radius:20px;padding:16px}
.feat b{font-family:var(--display);font-weight:400;font-size:20px;display:block;margin-bottom:4px}
.years{display:flex;flex-direction:column;gap:12px}
.year{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:2px solid var(--line);border-radius:20px;padding:16px}
.year .n{flex:none;width:64px;height:64px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:700;line-height:1.1;font-size:14px}
.year .n span{font-size:24px}
.cover{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.cover img{width:150px;height:auto;border:2px solid var(--line);border-radius:10px;background:#fff}
.cover div{flex:1;min-width:200px}
.cta{text-align:center;background:var(--tint);border-radius:28px;padding:26px 18px;margin-top:28px}
.cta .btn{font-size:20px;padding:14px 32px}
.check li{margin:4px 0}
dl.law{display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;font-size:15px;margin:10px 0}
dl.law dt{font-weight:700}dl.law dd{margin:0}
@media (max-width:520px){dl.law{grid-template-columns:1fr}dl.law dd{margin-bottom:8px}.hero h1{font-size:32px}}