/* ============== ブログ専用CSS ============== */
.page-hero{padding:80px 0 60px;background:linear-gradient(135deg,#0e4373 0%,#1176d4 100%);color:#fff;text-align:center}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:900;margin-bottom:10px}
.page-hero p{font-size:clamp(15px,1.8vw,17px);opacity:.92}

/* 姉妹サイト誘導バナー */
.blog-pickup-banner{
  display:flex;align-items:center;gap:22px;
  background:linear-gradient(135deg,#0e4373 0%,#1176d4 50%,#0693e3 100%);
  color:#fff;padding:28px 34px;border-radius:22px;
  text-decoration:none;
  box-shadow:0 20px 50px rgba(30,115,190,.32);
  transition:transform .25s ease,box-shadow .25s ease;
  max-width:980px;margin:0 auto;
}
.blog-pickup-banner:hover{
  transform:translateY(-4px);
  box-shadow:0 28px 60px rgba(30,115,190,.45);
}
.blog-pickup-icon{
  font-size:48px;line-height:1;
  background:rgba(255,255,255,.2);width:72px;height:72px;
  border-radius:18px;display:grid;place-items:center;flex-shrink:0;
  backdrop-filter:blur(8px);
}
.blog-pickup-body{flex:1;min-width:0}
.blog-pickup-label{
  font-size:11px;font-weight:800;letter-spacing:2px;
  text-transform:uppercase;opacity:.85;margin-bottom:4px;
}
.blog-pickup-title{
  font-size:20px;font-weight:900;margin-bottom:6px;
  letter-spacing:.3px;line-height:1.4;
}
.blog-pickup-desc{font-size:13px;line-height:1.6;opacity:.92}
.blog-pickup-arrow{
  font-size:34px;font-weight:900;flex-shrink:0;
  background:rgba(255,255,255,.2);width:54px;height:54px;
  border-radius:50%;display:grid;place-items:center;
  transition:transform .25s ease;
}
.blog-pickup-banner:hover .blog-pickup-arrow{transform:translateX(6px)}
@media (max-width:620px){
  .blog-pickup-banner{flex-direction:column;text-align:center;padding:24px 22px;gap:16px}
  .blog-pickup-arrow{transform:rotate(90deg)}
  .blog-pickup-banner:hover .blog-pickup-arrow{transform:rotate(90deg) translateX(6px)}
}

/* カテゴリタブ */
.blog-tabs{display:flex;gap:12px;justify-content:center;margin-bottom:36px;flex-wrap:wrap}
.blog-tab{
  background:#fff;border:2px solid #cfe1f3;color:#0e4373;
  padding:12px 22px;border-radius:999px;font-weight:800;cursor:pointer;
  font-size:14px;transition:all .2s;
}
.blog-tab:hover{border-color:#1176d4}
.blog-tab.active{background:linear-gradient(135deg,#1e73be,#0693e3);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(30,115,190,.35)}

/* ブログ一覧グリッド */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{
  background:#fff;border-radius:20px;overflow:hidden;
  box-shadow:0 10px 30px rgba(15,23,42,.10);
  transition:transform .3s ease,box-shadow .3s ease;
  text-decoration:none;color:inherit;display:flex;flex-direction:column;
}
.blog-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(15,23,42,.16)}
.blog-card-thumb{
  aspect-ratio:16/10;display:grid;place-items:center;color:#fff;
  position:relative;overflow:hidden;background:#0e4373;
}
.blog-card-thumb img{
  width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform .6s ease;
}
.blog-card:hover .blog-card-thumb img{transform:scale(1.06)}
.blog-card-emoji{font-size:64px;line-height:1;text-shadow:0 4px 16px rgba(0,0,0,.25)}
.blog-card-emoji-overlay{
  position:absolute;left:14px;top:14px;font-size:28px;
  background:rgba(255,255,255,.92);width:48px;height:48px;
  display:grid;place-items:center;border-radius:50%;
  box-shadow:0 4px 12px rgba(0,0,0,.2);
}
.blog-card-body{padding:22px 22px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.blog-card-meta{display:flex;gap:10px;align-items:center;font-size:12px}
.blog-tag{
  background:#e7f1fb;color:#0e4373;padding:4px 10px;border-radius:999px;
  font-weight:800;letter-spacing:.5px;
}
.blog-date{color:#94a3b8;font-family:'Inter',sans-serif;font-weight:700}
.blog-card-ext{
  margin-left:auto;font-size:10px;color:#1176d4;font-weight:800;
  letter-spacing:.5px;
}
.blog-card-title{
  font-size:17px;font-weight:900;color:#0e4373;line-height:1.55;
  letter-spacing:.2px;
}
.blog-card-summary{font-size:14px;line-height:1.75;color:#475569;flex:1}
.blog-card-more{
  color:#1176d4;font-weight:800;font-size:13px;
  align-self:flex-end;
}

/* 個別記事 */
.blog-article-body{max-width:820px}
.blog-article-meta{display:flex;gap:12px;justify-content:center;margin-bottom:18px;color:#fff}
.blog-article-meta .blog-tag{background:rgba(255,255,255,.95);color:#0e4373}
.blog-article-meta .blog-date{color:rgba(255,255,255,.85)}
.blog-article-thumb{
  border-radius:20px;margin:0 auto 40px;max-width:780px;overflow:hidden;
  box-shadow:0 20px 50px rgba(15,23,42,.18);background:#0e4373;
}
.blog-article-thumb img{width:100%;height:auto;display:block}
.blog-article-emoji{font-size:120px;line-height:1;text-shadow:0 6px 24px rgba(0,0,0,.3)}
.blog-article-lead{
  font-size:17px;line-height:2;color:#0e4373;font-weight:500;
  background:#f5faff;padding:24px 28px;border-radius:14px;
  border-left:6px solid #1176d4;margin-bottom:40px;
}

.blog-article-body h2{
  font-size:24px;font-weight:900;color:#0e4373;
  margin:48px 0 18px;padding-left:14px;
  border-left:6px solid #1176d4;line-height:1.4;
}
.blog-article-body p{font-size:16px;line-height:1.95;color:#1a2332;margin-bottom:14px}
.blog-list-check{list-style:none;padding:0;margin:18px 0 24px}
.blog-list-check li{
  position:relative;padding:10px 0 10px 36px;font-size:15px;line-height:1.7;color:#1a2332;
  border-bottom:1px dashed #cfe1f3;
}
.blog-list-check li::before{
  content:'✓';position:absolute;left:0;top:14px;
  width:24px;height:24px;border-radius:50%;
  background:linear-gradient(135deg,#1e73be,#0693e3);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:900;
}

.blog-article-link{margin:24px 0;text-align:center}
.blog-article-link a{
  display:inline-block;background:#fff;color:#1176d4;font-weight:800;
  padding:18px 32px;border-radius:14px;border:2px solid #1176d4;
  transition:all .2s;text-decoration:none;
}
.blog-article-link a:hover{background:#1176d4;color:#fff;transform:translateY(-2px)}

.blog-article-foot{
  margin-top:60px;padding:30px;background:#f5faff;border-radius:18px;
  text-align:center;
}
.blog-article-domain{font-size:13px;color:#64748b;margin-bottom:18px;font-weight:700}

/* レスポンシブ */
@media (max-width:1024px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){
  .blog-grid{grid-template-columns:1fr;gap:20px}
  .blog-card-emoji{font-size:48px}
  .blog-article-emoji{font-size:80px}
  .blog-article-body h2{font-size:20px}
}