:root{--ink:#14161a;--mute:#5d6470;--line:#e3e6ea;--bg:#fafbfc;--acc:#ff4500;--acc2:#1f6feb;--ok:#127a3a;--gap:#b42318;--card:#fff}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Sans","Noto Sans JP",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--acc2)}
.top{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:10px 18px;border-bottom:1px solid var(--line);background:#fff}
.brand a{color:var(--ink);font-weight:700;text-decoration:none}
.langs button{border:1px solid var(--line);background:#fff;padding:4px 8px;border-radius:6px;cursor:pointer;font-size:13px}
.langs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.tier{font-size:13px;color:var(--mute)}
.tier b{color:var(--ok)}
.hero{max-width:1040px;margin:0 auto;padding:22px 18px 8px}
h1{font-size:28px;line-height:1.25;margin:0 0 10px}
.lede{font-size:17px;margin:0 0 10px}
.better{margin:0 0 14px;padding-left:20px}
.better li{margin:4px 0}
.better li.monthly{color:#21262d}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0}
.btn{display:inline-block;padding:11px 16px;border-radius:8px;text-decoration:none;font-weight:600}
.btn.buy{background:var(--acc);color:#fff}
.btn.ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}
.free{font-size:14px;color:var(--mute);margin:6px 0 0}
.tabs{max-width:1040px;margin:14px auto 0;padding:0 18px;display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.tabs button{border:0;background:none;padding:10px 12px;cursor:pointer;font-size:15px;border-bottom:3px solid transparent;color:var(--mute)}
.tabs button.on{border-color:var(--acc);color:var(--ink);font-weight:600}
main{max-width:1040px;margin:0 auto;padding:16px 18px}
.panel{display:none}.panel.on{display:block}
.form{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}
.form label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--mute)}
.form label.wide{grid-column:1/-1}
input,select,textarea{font:inherit;padding:9px 10px;border:1px solid #cdd3da;border-radius:7px;background:#fff;color:var(--ink);width:100%}
.row{grid-column:1/-1;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
button{font:inherit}
.row button,.pbtn{padding:10px 16px;border-radius:8px;border:0;background:var(--ink);color:#fff;cursor:pointer;font-weight:600}
.row button.ghost,.pbtn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.muted{color:var(--mute);font-size:13px}
.result{margin-top:14px}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:8px 0 14px}
.tile{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.tile b{display:block;font-size:26px}
.tile.gap b{color:var(--gap)}
.tile span{font-size:13px;color:var(--mute)}
.meta{font-size:13px;color:var(--mute);margin:4px 0 10px}
.tag{display:inline-block;font-size:12px;padding:2px 7px;border-radius:999px;background:#eef2f7;margin:2px 4px 2px 0}
.tag.ai{background:#fff1ea;color:#a33a00}
.tag.g{background:#eaf2ff;color:#1f4fa0}
table.eng{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px;margin-bottom:14px}
table.eng th,table.eng td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.eng th{background:#f4f6f8;font-weight:600}
.y{color:var(--ok);font-weight:700}.n{color:var(--gap)}
.th{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0 0 10px}
.th.gap{border-left:4px solid var(--gap)}.th.you{border-left:4px solid var(--ok)}.th.open{border-left:4px solid #9aa4b2}
.th h3{font-size:16px;margin:0 0 4px}
.th h3 a{color:var(--ink)}
.st{font-weight:600;font-size:13px}
.st.gap{color:var(--gap)}.st.you{color:var(--ok)}.st.open{color:var(--mute)}
.counts{font-size:14px;margin:6px 0}
.counts b{font-variant-numeric:tabular-nums}
.rule{font-size:14px;background:#fff8e6;border:1px solid #f1dfa8;border-radius:7px;padding:6px 9px;margin:6px 0}
.plan{font-size:14px;margin:6px 0 0;padding-left:18px}
.plan li{margin:3px 0}
.disc{display:flex;gap:6px;align-items:center;margin-top:4px}
.disc code{background:#f4f6f8;padding:4px 7px;border-radius:5px;font-size:13px}
.disc button{font-size:12px;padding:4px 8px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer}
.ask{font-size:13px;color:#3a4049;margin:4px 0;white-space:pre-line}
.hn{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.hn li{margin:4px 0}
.err{background:#fdecea;border:1px solid #f5c2bd;color:#7a1b12;border-radius:8px;padding:10px 12px}
.prog{background:#fff;border:1px dashed #cdd3da;border-radius:8px;padding:10px 12px;color:var(--mute)}
.pay{background:#fff;border:2px solid var(--acc);border-radius:12px;padding:14px 16px;margin:12px 0}
.pay h3{margin:0 0 6px}
.pay ul{margin:6px 0 10px;padding-left:20px}
.keybox{max-width:1040px;margin:0 auto 10px;padding:8px 18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:14px}
.keybox input{max-width:320px}
.keybox button{padding:8px 12px;border-radius:7px;border:1px solid var(--line);background:#fff;cursor:pointer}
.foot{max-width:1040px;margin:10px auto 40px;padding:0 18px;font-size:13px;color:var(--mute)}
.qrow{background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 12px;margin:0 0 8px;display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap;align-items:center}
.qrow .q{font-weight:600}
.qrow .acts button{font-size:13px;padding:5px 9px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;margin-left:4px}
.rep{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}
.rep table{width:100%;border-collapse:collapse;font-size:14px}
.rep td,.rep th{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left}
.lh{margin-top:16px;font-size:14px}
.lh button{border:0;background:none;color:var(--acc2);cursor:pointer;padding:0;text-decoration:underline}
@media (max-width:700px){h1{font-size:22px}.form{grid-template-columns:minmax(0,1fr)}.tiles{grid-template-columns:1fr 1fr}table.eng{font-size:12px}}
@media print{.top,.hero,.tabs,.keybox,.foot,#p-check,.noprint{display:none!important}.panel{display:none!important}#p-rep{display:block!important}body{background:#fff}main{padding:0}}