/* だいのメモ（dai-memo.com）静的版。システムフォント、JSなし */
:root { --main:#009EF3; --pastel:#b4e0fa; --accent:#ffb36b; --bg:#eaedf2; --text:#313131; --line:#dfe3ea; }
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--bg); color:var(--text); line-height:1.8; font-size:16px;
       font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
       overflow-wrap:anywhere; }
a { color:#1C81E6; }
img { max-width:100%; height:auto; }

/* ヘッダー */
.hd { background:var(--main); color:#fff; padding:14px 16px 12px; text-align:center; }
.hd .name { margin:0; font-size:22px; font-weight:bold; letter-spacing:.04em; line-height:1.4; }
.hd .name a { color:#fff; text-decoration:none; }
.hd .tag { font-size:11px; opacity:.95; margin-top:2px; }
.hd .nav { margin-top:8px; font-size:13px; }
.hd .nav a { color:#fff; }

/* 本文幅：スマホは全幅、PCは最大760pxの1列 */
.crumb, main, .card, .ft .in { max-width:760px; margin-left:auto; margin-right:auto; }
.crumb { font-size:12px; padding:10px 14px 0; color:#666; }
.card { background:#fff; margin-top:10px; margin-bottom:10px; padding:18px 16px; border-radius:8px; box-shadow:0 1px 3px rgba(0,0,0,.08); }
main { padding:0; }
main > .card, main > article.card { margin-left:auto; margin-right:auto; }
@media (max-width:775px) { .card { margin-left:12px; margin-right:12px; } .crumb { margin-left:0; } }
.card h1 { font-size:21px; line-height:1.5; margin:0 0 8px; }
.date { font-size:12px; color:#777; }
.archive { margin:12px 0 0; padding:10px 12px; background:#eef8fe; border:1px solid var(--pastel); border-radius:6px; font-size:13px; line-height:1.7; }

/* 目次 */
.toc { margin:16px 0; padding:12px 14px; background:#f7fafc; border:1px solid var(--line); border-radius:6px; font-size:14px; }
.toc .t { font-weight:bold; color:var(--main); }
.toc ul { margin:6px 0 0; padding-left:20px; }

/* 本文 */
.body { margin-top:16px; }
.body h2 { font-size:19px; line-height:1.5; margin:28px 0 12px; padding:8px 12px; background:var(--pastel); border-left:5px solid var(--main); border-radius:3px; }
.body h3 { font-size:17px; line-height:1.5; margin:22px 0 10px; padding-bottom:4px; border-bottom:2px solid var(--pastel); }
.body h4 { font-size:16px; margin:18px 0 8px; }
.body p { margin:0 0 1em; }
.body ul, .body ol { padding-left:1.4em; margin:0 0 1em; }
.body hr { border:0; border-top:1px solid var(--line); margin:24px 0; }
.body blockquote { margin:14px 0; padding:8px 14px; border-left:4px solid var(--pastel); background:#f7fafc; }
.body blockquote p { margin:0; }
.body .tc { text-align:center; }
.body .c-red { color:#cf2e2e; }
.body .c-orange { color:#ff6900; }
.fig { margin:14px 0; }
.fig img { display:block; max-width:100%; height:auto; }
.fig figcaption, .cap { font-size:12px; color:#777; margin-top:4px; }
.fig.bd img { border:1px solid var(--line); }
.fig.sh img { box-shadow:0 2px 8px rgba(0,0,0,.18); }

/* 関連記事・枠 */
.kanren { display:block; margin:14px 0; padding:10px 12px; border:1px solid var(--line); border-radius:6px; text-decoration:none; color:var(--text); font-size:14px; line-height:1.6; }
.kanren .l { display:inline-block; background:var(--main); color:#fff; font-size:11px; padding:1px 8px; border-radius:10px; margin-bottom:4px; }
.kanren .ttl { display:block; color:#1C81E6; text-decoration:underline; }
.sbox { margin:14px 0; border:1px solid var(--main); border-radius:4px; overflow:hidden; font-size:14px; }
.sbox .st { background:#b4e0fa; color:#1a3a4d; padding:4px 12px; font-weight:bold; }
.sbox .sb { padding:10px 12px; }
.sbox .sb p:last-child, .sbox .sb ul:last-child { margin-bottom:0; }
.box6 { margin:14px 0; padding:10px 12px; border:2px dashed var(--pastel); border-radius:4px; font-size:14px; }
.box6 p { margin:0; }

/* コード（色付けなし。折り返さず横スクロール） */
pre { margin:14px 0; padding:12px; background:#f4f6f8; border:1px solid var(--line); border-radius:4px;
      font-family:Menlo,Consolas,"Courier New",monospace; font-size:12.5px; line-height:1.6;
      overflow-x:auto; white-space:pre; overflow-wrap:normal; color:#222; max-width:100%; }
pre code { font-family:inherit; font-size:inherit; white-space:pre; }
.body p code, .body li code { font-family:Menlo,Consolas,monospace; background:#f4f6f8; padding:0 4px; border-radius:3px; }

/* 表 */
.tw { overflow-x:auto; margin:14px 0; max-width:100%; }
table { border-collapse:collapse; width:100%; min-width:320px; font-size:13px; overflow-wrap:normal; }
td, th { border:1px solid var(--line); padding:6px 8px; text-align:left; vertical-align:top; }
th { background:#eef8fe; }
tr:nth-child(odd) td { background:#f7fafc; }

/* 配布ファイル */
.file { margin:14px 0; }
.file a { word-break:break-all; }
.file .dl, .dl { display:inline-block; margin:4px 0 4px 10px; padding:4px 14px; border:1px solid var(--main); border-radius:4px; color:var(--main); font-size:13px; text-decoration:none; }

/* 出口（著書） */
.exit { border-top:4px solid var(--accent); }
.exit .lead { font-size:13px; color:#777; margin:0 0 8px; }
.exit .row { display:block; }
.exit .cover { display:block; width:100%; max-width:480px; height:auto; margin:0 auto 10px; border-radius:4px; border:1px solid var(--line); }
.exit .bt { font-weight:bold; font-size:15px; line-height:1.5; }
.exit .pub { font-size:12px; color:#777; }
.btn { display:block; margin:14px 0 0; padding:12px; background:var(--accent); color:#3a2a10; font-weight:bold; text-align:center; border-radius:24px; text-decoration:none; }
.exit .sub { margin:12px 0 0; font-size:13px; text-align:center; }

/* 一覧 */
.list-h { font-size:15px; font-weight:bold; margin:0 0 6px; color:var(--main); line-height:1.5; }
.links { margin:0; padding-left:20px; font-size:14px; }
.links li { margin:4px 0; }
.links .d { color:#888; font-size:11px; white-space:nowrap; }
.more { margin:10px 0 0; font-size:14px; text-align:right; }
.chips { display:flex; flex-wrap:wrap; gap:6px; margin:0; padding:0; list-style:none; font-size:13px; }
.chips a { display:block; padding:3px 10px; background:#eef8fe; border:1px solid var(--pastel); border-radius:14px; text-decoration:none; }
section[id] { scroll-margin-top:8px; }

/* フッター */
.ft { background:#fff; margin-top:14px; padding:18px 16px 22px; font-size:13px; border-top:3px solid var(--pastel); }
.ft .pn { font-weight:bold; font-size:15px; }
.ft .prof { margin:6px 0 0; }
.ft .fl { margin-top:12px; text-align:center; }
.ft .cp { margin-top:6px; text-align:center; font-size:11px; color:#888; }