/* aim ブログ：LPデザイン（landing-v2.css）の変数・トーンを流用 */
:root{
  --blue:#1F6BFF; --blue-soft:#E8F0FF; --blue-line:#D9E5FB;
  --ink:#071936; --ink-2:#3B4A66; --ink-3:#7C879C;
  --shadow-card: 0 1px 0 rgba(7,25,54,.02), 0 8px 24px -12px rgba(31,107,255,.18);
}

/* landing.css の body{background:#000} を打ち消し、LPと同じライトテーマに */
body{background:#fff !important;color:var(--ink)}
/* ブログは記事が短くても白背景でビューポートを満たす */
.lp{min-height:100vh;background:#fff}

.lp .blog-wrap{max-width:960px;margin:0 auto;padding:88px 24px 96px}
.lp .blog-head{text-align:center;margin-bottom:48px}
.lp .blog-head h1{font-size:40px;margin:18px 0 12px}
.lp .blog-head p{color:var(--ink-3);font-size:15px}
.lp .blog-empty{text-align:center;color:var(--ink-3);padding:60px 0}

/* 一覧グリッド */
.lp .blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.lp .blog-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--blue-line);border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-card);text-decoration:none;color:inherit;
  transition:transform .18s ease, box-shadow .18s ease;
}
.lp .blog-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px -16px rgba(31,107,255,.3)}
.lp .blog-card-cover{
  display:block;width:100%;aspect-ratio:16/9;
  background:linear-gradient(160deg,#bcd0f0,#5f82bd);
  background-size:cover;background-position:center;
}
.lp .blog-card-body{display:flex;flex-direction:column;gap:8px;padding:22px 24px 26px}
.lp .blog-card-date{font-size:12px;color:var(--ink-3);font-family:"DM Sans"}
.lp .blog-card-title{font-size:18px;line-height:1.4}
.lp .blog-card-desc{font-size:13px;color:var(--ink-3);line-height:1.7}
.lp .blog-draft{
  align-self:flex-start;font-size:11px;font-weight:700;color:#b3690a;
  background:#FFF3E0;border:1px solid #FFD9A8;border-radius:999px;padding:3px 10px;
}

/* パンくずリスト */
.lp .blog-breadcrumb{font-family:"DM Sans","Helvetica Neue",sans-serif}
.lp .blog-breadcrumb ol{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  margin:0;padding:0;font-size:13px;color:var(--ink-3);
}
.lp .blog-breadcrumb li{display:flex;align-items:center;gap:6px}
.lp .blog-breadcrumb li+li::before{content:"›";color:var(--ink-3);opacity:.6}
.lp .blog-breadcrumb a{color:var(--ink-3);text-decoration:none;transition:color .15s ease}
.lp .blog-breadcrumb a:hover{color:var(--blue)}
.lp .blog-breadcrumb li[aria-current="page"]{color:var(--ink-2);font-weight:600}

/* 個別記事：本文＋サイドカラムの2カラム */
.lp .blog-article-wrap{max-width:1080px;margin:0 auto;padding:72px 24px 96px}
.lp .blog-article-wrap .blog-breadcrumb{margin-bottom:28px}
.lp .blog-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;align-items:start;
}
.lp .blog-article{min-width:0}
.lp .blog-article-head{text-align:left;margin-bottom:32px}
.lp .blog-article-date{font-size:13px;color:var(--ink-3);font-family:"DM Sans"}
.lp .blog-article-head h1{font-size:32px;line-height:1.45;margin-top:12px}

/* サイドカラム（目次＋CTA） */
.lp .blog-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.lp .blog-toc{
  background:#fff;border:1px solid var(--blue-line);border-radius:16px;
  padding:20px 22px;box-shadow:var(--shadow-card);
}
.lp .blog-toc-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue);margin:0 0 14px;
}
.lp .blog-toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.lp .blog-toc li{counter-increment:toc;margin:0}
.lp .blog-toc li+li{margin-top:2px}
.lp .blog-toc a{
  display:block;position:relative;padding:7px 8px 7px 26px;
  font-size:13px;line-height:1.55;color:var(--ink-2);text-decoration:none;
  border-radius:8px;transition:background .15s ease,color .15s ease;
}
.lp .blog-toc a::before{
  content:counter(toc);position:absolute;left:8px;top:7px;
  font-size:11px;font-weight:700;color:var(--ink-3);font-family:"DM Sans";
}
.lp .blog-toc a:hover{background:var(--blue-soft);color:var(--blue)}
.lp .blog-toc a:hover::before{color:var(--blue)}

/* サイドカラム：他言語版へのリンク */
.lp .blog-langs{
  background:#fff;border:1px solid var(--blue-line);border-radius:16px;
  padding:18px 20px;box-shadow:var(--shadow-card);
}
.lp .blog-langs-title{
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--ink-3);margin:0 0 10px;
}
.lp .blog-langs ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.lp .blog-langs a{
  display:inline-block;font-size:13px;color:var(--ink-2);text-decoration:none;
  border:1px solid var(--blue-line);border-radius:999px;padding:6px 14px;
  transition:border-color .15s ease,color .15s ease,background .15s ease;
}
.lp .blog-langs a:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}

.lp .blog-aside-cta{
  background:linear-gradient(160deg,var(--blue),#1453d6);
  border-radius:16px;padding:22px;color:#fff;
}
.lp .blog-aside-cta-lead{font-size:17px;font-weight:700;margin:0 0 8px}
.lp .blog-aside-cta-desc{font-size:13px;line-height:1.7;margin:0 0 16px;color:rgba(255,255,255,.86)}
.lp .blog-aside-cta-btn{
  display:inline-block;background:#fff;color:var(--blue);font-weight:700;font-size:13px;
  padding:10px 18px;border-radius:999px;text-decoration:none;transition:transform .15s ease;
}
.lp .blog-aside-cta-btn:hover{transform:translateY(-1px)}

/* アンカー遷移時に見出しがヘッダーへ隠れないようオフセット */
.lp .blog-content h2{scroll-margin-top:88px}
.lp .blog-article-cover{
  width:100%;aspect-ratio:16/9;border-radius:20px;margin-bottom:40px;
  background:linear-gradient(160deg,#bcd0f0,#5f82bd);
  background-size:cover;background-position:center;border:1px solid var(--blue-line);
}

/* 本文（Markdown→HTML）の組版 */
.lp .blog-content{color:var(--ink-2);font-size:16px;line-height:1.9}
.lp .blog-content h2{font-size:24px;color:var(--ink);margin:48px 0 16px;padding-top:8px}
.lp .blog-content h3{font-size:19px;color:var(--ink);margin:32px 0 12px}
.lp .blog-content p{margin:16px 0}
.lp .blog-content ul,.lp .blog-content ol{margin:16px 0;padding-left:1.4em}
.lp .blog-content li{margin:8px 0}
.lp .blog-content strong{color:var(--ink)}
.lp .blog-content a{color:var(--blue);text-decoration:underline}
.lp .blog-content blockquote{
  margin:24px 0;padding:16px 22px;border-left:4px solid var(--blue);
  background:var(--blue-soft);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.lp .blog-content blockquote p{margin:0}
.lp .blog-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  border:1px solid var(--blue-line);border-radius:12px;overflow:hidden;
}
.lp .blog-content th,.lp .blog-content td{
  border:1px solid var(--blue-line);padding:12px 14px;text-align:left;
}
.lp .blog-content th{background:var(--blue-soft);color:var(--ink);font-weight:700}
.lp .blog-content hr{border:0;border-top:1px solid var(--blue-line);margin:40px 0}
.lp .blog-content img{max-width:100%;border-radius:14px;margin:24px 0}

.lp .blog-back{margin-top:56px;padding-top:28px;border-top:1px solid var(--blue-line)}
.lp .blog-back a{color:var(--blue);text-decoration:none;font-weight:600;font-size:14px}

/* タブレット：サイドカラムを本文下へ回す */
@media (max-width:960px){
  .lp .blog-layout{grid-template-columns:1fr;gap:40px}
  .lp .blog-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .lp .blog-aside .blog-toc,.lp .blog-aside .blog-aside-cta{flex:1 1 260px}
}

@media (max-width:720px){
  .lp .blog-grid{grid-template-columns:1fr}
  .lp .blog-head h1{font-size:32px}
  .lp .blog-article-head h1{font-size:26px}
  .lp .blog-content{font-size:15px}
  .lp .blog-aside{flex-direction:column}
}