*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Hiragino Sans","Noto Sans JP",sans-serif;color:#1d2330;background:#f4f5f8}
.top{padding:28px 20px 10px;max-width:960px;margin:0 auto}
h1{font-size:1.75rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.25rem;margin:0 0 12px}
h3{font-size:1.05rem;margin:18px 0 6px}
.lead{margin:0 0 6px;max-width:760px}
.meta{color:#4a5468;font-size:.92rem;margin:4px 0}
main{max-width:960px;margin:0 auto;padding:0 12px 30px}
.card{background:#fff;border:1px solid #dde1ea;border-radius:12px;padding:18px;margin:14px 0}
.tag{display:inline-block;font-size:.72rem;font-weight:600;background:#e8ecf6;color:#2c3e72;border-radius:6px;padding:1px 7px;vertical-align:middle}
.tag.free{background:#e3f4e8;color:#1d6b36}
.pack{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-bottom:14px}
.pack button{text-align:left;padding:8px 10px;border:1px solid #cfd5e2;border-radius:8px;background:#fafbfd;cursor:pointer;font:inherit;font-size:.92rem}
.pack button small{display:block;color:#6a7385;font-size:.75rem}
.pack button.on{border-color:#2d55c8;background:#eef2fd;box-shadow:inset 0 0 0 1px #2d55c8}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-bottom:10px}
label{display:block;font-size:.9rem;font-weight:600;margin:6px 0}
input,select,textarea{display:block;width:100%;margin-top:3px;padding:7px 9px;border:1px solid #c5ccd9;border-radius:7px;font:inherit;font-weight:400;background:#fff}
textarea{resize:vertical}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.row label{display:flex;gap:6px;align-items:center;margin:0}
.row input{width:auto;margin:0}
.row input.wide{flex:1;min-width:200px}
.row select{width:auto;margin:0}
button{font:inherit;font-size:.92rem;padding:7px 12px;border:1px solid #b9c1d2;border-radius:7px;background:#f7f8fb;cursor:pointer}
button:hover{background:#eef1f7}
.why{color:#4a5468;font-size:.92rem;margin:0 0 6px}
.hint{color:#6a7385;font-size:.85rem;font-weight:400}
.out{margin-top:12px;border-top:1px solid #e3e6ee;padding-top:10px}
.stat{margin:0 0 6px}
.warn{background:#fff6e0;border-radius:6px;padding:6px 9px;font-size:.9rem}
pre{white-space:pre-wrap;word-break:break-word;background:#f7f8fb;border:1px solid #e1e5ee;border-radius:8px;padding:12px;font:13.5px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,"Noto Sans Mono CJK JP",monospace;max-height:520px;overflow:auto}
.paid{background:#f1f4fc;border-radius:8px;padding:10px 12px;font-size:.93rem}
a.buy{display:inline-block;background:#2d55c8;color:#fff;text-decoration:none;border-radius:7px;padding:4px 10px;font-weight:600}
a.buy.big{padding:9px 16px;font-size:1rem}
.parts{list-style:none;padding:0;margin:0;columns:2}
.parts .ok{color:#1d6b36}.parts .no{color:#a3271f}
ul.lib{list-style:none;padding:0;margin:0}
ul.lib li{margin:4px 0}
button.lib{padding:3px 9px;margin-right:6px}
button.lib.lock{color:#6a7385}
.list li{margin:3px 0}
ul.items{list-style:none;padding:0;margin:0}
ul.items li{padding:5px 0;border-bottom:1px solid #eef0f4;display:block}
ul.items input[type=checkbox]{display:inline-block;width:auto;margin:0 6px 0 0}
button.x{padding:0 7px;border:none;background:none;color:#a3271f}
.file input{display:inline-block;width:auto}
.faq details{margin:6px 0}
.foot{max-width:960px;margin:0 auto;padding:10px 20px 40px;color:#6a7385;font-size:.85rem}
@media (max-width:600px){.parts{columns:1}h1{font-size:1.4rem}}