/* =========================================================
   ブログ一覧「青のメディアトップ」（案Aベースの完成版）
   ・すべてのセレクタを .blog-a の内側に限定（共通ヘッダー・フッターに影響させない）
   ・要素リセットは :where() で詳細度を下げる
   ・CSSで初期非表示にする指定は置かない（JS無効・reduced-motion でも全要素が見える）
   ========================================================= */
body{margin:0;background:#fff}
.blog-a{
  --blue:#479CD9;
  --deep:#1E5F8C;
  --ink:#10161b;
  --muted:#4b5a63;
  --line:#cddce8;
  --paper:#f8fbfd;
  --sky:#a9d6f5;
  --en:'Barlow Condensed','Noto Sans JP',sans-serif;
  --ja:'Noto Sans JP',sans-serif;
  /* 共通ヘッダーのいまの高さ（スクロールで縮むと自動で追従） */
  --header-h:var(--na-hh, 74px);
  display:block;margin:0;
  font-family:var(--ja);font-size:16px;font-weight:400;line-height:1.8;letter-spacing:normal;
  color:var(--ink);background:#fff;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
.blog-a,.blog-a *,.blog-a *::before,.blog-a *::after{box-sizing:border-box}
:where(.blog-a) :is(h1,h2,h3,p,ul,ol,figure){margin:0}
:where(.blog-a) :is(h1,h2,h3){color:inherit;font-family:var(--ja);font-weight:900;letter-spacing:.01em}
:where(.blog-a) :is(ul,ol){padding:0;list-style:none}
:where(.blog-a) a{color:inherit;text-decoration:none}
:where(.blog-a) img{display:block;max-width:100%;height:auto}
:where(.blog-a) button{appearance:none;-webkit-appearance:none;background:none;border:0;border-radius:0;padding:0;margin:0;color:inherit;font:inherit;cursor:pointer}
.blog-a [hidden]{display:none !important}
.blog-a img.is-missing{visibility:hidden}
.blog-a mark{background:linear-gradient(transparent 55%, rgba(71,156,217,.38) 0);color:inherit;padding:0 1px}
.blog-a .sr-only{position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.blog-a :focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.blog-a .kp{word-break:keep-all;overflow-wrap:anywhere}
.blog-a .ba-wrap{width:min(1200px, 100% - 48px);margin-inline:auto}
.blog-a .ln{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.blog-a .ln-in{display:block}

/* ---------- ボタン ---------- */
.blog-a .ba-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  min-height:54px;padding:12px 26px;border-radius:999px;
  font-size:16px;font-weight:700;line-height:1.4;text-align:center;
  transition:transform .2s, box-shadow .2s, background-color .2s, color .2s;
}
.blog-a .ba-btn .arr{display:inline-block;font-family:var(--en);font-weight:800;font-size:1.15em;line-height:1;transition:transform .2s}
.blog-a .ba-btn:hover .arr{transform:translateX(4px)}
.blog-a .ba-btn--light{background:#fff;color:var(--deep);box-shadow:0 12px 30px rgba(10,40,64,.25)}
.blog-a .ba-btn--light:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(10,40,64,.3)}
.blog-a .ba-btn--ghost{border:1.5px solid rgba(255,255,255,.85);color:#fff}
.blog-a .ba-btn--ghost:hover{background:rgba(255,255,255,.12)}
.blog-a .ba-btn--line{border:1.5px solid var(--deep);color:var(--deep);background:#fff}
.blog-a .ba-btn--line:hover{background:#eef6fc}

/* ---------- 01 ヒーロー（青） ---------- */
.blog-a .ba-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(150deg, #479CD9 0%, #3483bf 44%, #1E5F8C 100%);
  padding:clamp(18px, 2.4vw, 30px) 0 clamp(150px, 14vw, 196px);
}
.blog-a .ba-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size:calc(100% / 12) 100%;
  -webkit-mask-image:linear-gradient(to bottom, #000 0%, #000 60%, transparent 100%);
          mask-image:linear-gradient(to bottom, #000 0%, #000 60%, transparent 100%);
}
.blog-a .ba-crumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;line-height:1.5;color:rgba(255,255,255,.84)}
.blog-a .ba-crumb a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.45)}
.blog-a .ba-crumb a:hover{text-decoration-color:#fff}
.blog-a .ba-hero-inner{
  position:relative;z-index:1;margin-top:clamp(24px, 3.4vw, 48px);
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
  column-gap:clamp(32px, 5vw, 72px);align-items:end;
}
.blog-a .ba-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-family:var(--en);font-size:15px;font-weight:700;line-height:1.4;letter-spacing:.24em;color:rgba(255,255,255,.92)}
.blog-a .ba-eyebrow::before{content:"";flex:0 0 40px;height:1px;background:currentColor}
.blog-a .ba-eyebrow small{font-family:var(--ja);font-size:13px;font-weight:700;letter-spacing:.08em}
.blog-a .ba-h1{margin-top:18px}
.blog-a .ba-h1-s{font-size:clamp(26px, 1.6vw + 16px, 44px);line-height:1.3;letter-spacing:.04em}
.blog-a .ba-h1-l{font-size:clamp(56px, 6.4vw + 12px, 120px);line-height:1.06;letter-spacing:.01em}
.blog-a .ba-lead{margin-top:18px;font-size:clamp(15px, .4vw + 12px, 18px);font-weight:700;line-height:1.8;color:rgba(255,255,255,.95)}

/* 検索ボックス */
.blog-a .ba-search{
  display:flex;align-items:center;gap:8px;
  padding:6px 6px 6px 20px;border-radius:999px;background:#fff;color:var(--ink);
}
.blog-a .ba-search:focus-within{outline:3px solid var(--sky);outline-offset:3px}
.blog-a .ba-search svg{flex:0 0 22px;width:22px;height:22px;color:var(--deep)}
.blog-a .ba-search .ba-search-in{
  flex:1 1 auto;min-width:0;width:auto;height:52px;margin:0;padding:0 4px;
  border:0;border-radius:0;background:transparent;box-shadow:none;outline:none;
  color:var(--ink);font-family:var(--ja);font-size:16px;font-weight:500;line-height:1.4;
  -webkit-appearance:none;appearance:none;
}
.blog-a .ba-search .ba-search-in::placeholder{color:#7a8a95}
.blog-a .ba-search-btn{flex:none;height:52px;padding:0 26px;border-radius:999px;background:var(--deep);color:#fff;font-size:15px;font-weight:700;transition:background-color .2s}
.blog-a .ba-search-btn:hover{background:#174d73}
.blog-a .ba-hero .ba-search{margin-top:28px;max-width:640px;box-shadow:0 20px 44px -18px rgba(8,30,50,.55)}
.blog-a .ba-keys{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.blog-a .ba-keys-l{margin-right:4px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:rgba(255,255,255,.82)}
.blog-a .ba-key{padding:6px 14px;border:1px solid rgba(255,255,255,.55);border-radius:999px;font-size:13.5px;font-weight:700;line-height:1.4;color:#fff;transition:background-color .2s, color .2s}
.blog-a .ba-key:hover{background:#fff;color:var(--deep)}
.blog-a .ba-hero-cta{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px}
.blog-a .ba-hero-cta small{font-size:13px;font-weight:500;color:rgba(255,255,255,.88)}

/* ヒーロー右：記事の内訳 */
.blog-a .ba-hero-panel{padding:24px 22px 18px;border-radius:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28)}
.blog-a .ba-hp-en{font-family:var(--en);font-size:13px;font-weight:700;letter-spacing:.26em;line-height:1.4;color:var(--sky)}
.blog-a .ba-hp-total{display:flex;align-items:baseline;gap:8px;margin-top:8px;line-height:1}
.blog-a .ba-hp-n{display:inline-block;min-width:1.5em;font-family:var(--en);font-weight:900;font-size:clamp(84px, 7vw, 112px);line-height:.84}
.blog-a .ba-hp-u{font-size:18px;font-weight:900}
.blog-a .ba-hp-note{margin-top:16px;font-size:13px;font-weight:700;line-height:1.6;color:rgba(255,255,255,.9)}
.blog-a .ba-hp-themes{margin-top:8px;display:grid;gap:4px}
.blog-a .ba-hp-theme{
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:12px;row-gap:6px;
  width:100%;padding:10px 12px;border-radius:10px;text-align:left;transition:background-color .2s;
}
.blog-a .ba-hp-theme:hover{background:rgba(255,255,255,.12)}
.blog-a .ba-hp-theme .nm{font-size:15px;font-weight:700;line-height:1.4}
.blog-a .ba-hp-theme .nm::after{content:" →";font-family:var(--en);font-weight:800;opacity:.7}
.blog-a .ba-hp-theme .ct{font-family:var(--en);font-size:26px;font-weight:800;line-height:1}
.blog-a .ba-hp-theme .bar{grid-column:1 / -1;display:block;height:4px;border-radius:2px;background:rgba(255,255,255,.2);overflow:hidden}
.blog-a .ba-hp-theme .bar i{display:block;height:100%;width:calc(var(--r) * 100%);background:#fff;border-radius:2px;transform-origin:0 50%}

/* ---------- 02 最新の1本＋人気記事（ヒーローに重ねる） ---------- */
.blog-a .ba-top{position:relative;z-index:2;margin-top:calc(-1 * clamp(100px, 10vw, 140px))}
.blog-a .ba-top-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:24px;align-items:stretch}
.blog-a .ba-latest a{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 40px 80px -44px rgba(16,40,64,.6), 0 2px 6px rgba(16,22,27,.06);
  transition:transform .25s, box-shadow .25s;
}
.blog-a .ba-latest a:hover{transform:translateY(-4px);box-shadow:0 48px 90px -44px rgba(16,40,64,.66), 0 2px 6px rgba(16,22,27,.06)}
.blog-a .ba-latest-ph{position:relative;display:block;aspect-ratio:16 / 9;overflow:hidden;background:linear-gradient(135deg, #e6f0f7 0%, #d3e3ef 100%)}
.blog-a .ba-latest-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.blog-a .ba-latest a:hover .ba-latest-ph img{transform:scale(1.03)}
.blog-a .ba-latest-body{display:flex;flex:1;flex-direction:column;gap:12px;padding:26px 32px 30px}
.blog-a .ba-badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:4px;background:var(--deep);color:#fff;font-family:var(--en);font-size:13px;font-weight:700;line-height:1.4;letter-spacing:.2em}
.blog-a .ba-latest-ttl{font-size:clamp(22px, 1.2vw + 12px, 30px);line-height:1.45;overflow-wrap:anywhere}
.blog-a .ba-latest .ba-ex{-webkit-line-clamp:3;font-size:15px;line-height:1.85}
.blog-a .ba-readmore{margin-top:auto;display:inline-flex;align-items:center;gap:8px;padding-top:6px;font-size:14.5px;font-weight:700;color:var(--deep)}
.blog-a .ba-readmore .arr{font-family:var(--en);font-weight:800;font-size:1.2em;line-height:1;transition:transform .2s}
.blog-a a:hover .ba-readmore .arr{transform:translateX(4px)}

.blog-a .ba-pop{
  display:flex;flex-direction:column;padding:24px 26px 12px;border-radius:16px;background:#fff;
  box-shadow:0 40px 80px -44px rgba(16,40,64,.6), 0 2px 6px rgba(16,22,27,.06);
}
.blog-a .ba-pop-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:2px solid var(--ink)}
.blog-a .ba-pop-head h2{font-size:22px;line-height:1.4}
.blog-a .ba-pop-en{font-family:var(--en);font-size:14px;font-weight:800;letter-spacing:.24em;color:var(--blue)}
.blog-a .ba-pop-list li + li{border-top:1px solid var(--line)}
.blog-a .ba-pop-list a{display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;align-items:start;padding:15px 0}
.blog-a .ba-pop-no{font-family:var(--en);font-size:40px;font-weight:900;line-height:.9;color:var(--blue)}
.blog-a .ba-pop-list li:first-child .ba-pop-no{color:var(--deep)}
.blog-a .ba-pop-list h3{font-size:15px;font-weight:700;line-height:1.6;overflow-wrap:anywhere;transition:color .2s}
.blog-a .ba-pop-list a:hover h3{color:var(--deep);text-decoration:underline;text-underline-offset:3px}
.blog-a .ba-pop-meta{display:block;margin-top:4px;font-size:12px;line-height:1.5;color:var(--muted)}

/* ---------- 共通セクション ---------- */
.blog-a .ba-sec{padding:clamp(72px, 9vw, 120px) 0}
.blog-a .ba-sec-eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--en);font-size:14px;font-weight:700;line-height:1.4;letter-spacing:.26em;color:var(--blue)}
.blog-a .ba-sec-eyebrow .ey-line{display:block;flex:0 0 40px;height:2px;background:currentColor;transform-origin:0 50%}
.blog-a .ba-h2{margin-top:14px;font-size:clamp(28px, 2.4vw + 8px, 46px);line-height:1.3}
.blog-a .ba-sec-lead{margin-top:16px;max-width:36em;font-size:15.5px;line-height:1.9;color:var(--muted)}

/* ---------- 03 START HERE（深い青の帯） ---------- */
.blog-a .ba-start{position:relative;overflow:hidden;color:#fff;background:linear-gradient(160deg, #1E5F8C 0%, #1a5279 50%, #173f5f 100%)}
.blog-a .ba-start .ba-lines{opacity:.8}
.blog-a .ba-start .ba-sec-eyebrow{color:var(--sky)}
.blog-a .ba-start .ba-sec-lead{color:rgba(255,255,255,.88)}
.blog-a .ba-start-head{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px 64px;align-items:end}
.blog-a .ba-start-head .ba-sec-lead{margin-top:0}
.blog-a .ba-guides{position:relative;margin-top:clamp(36px, 4vw, 56px);display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:20px}
.blog-a .ba-guide a{
  display:flex;flex-direction:column;height:100%;
  background:#fff;color:var(--ink);border-radius:14px;overflow:hidden;
  box-shadow:0 34px 60px -36px rgba(4,16,28,.8);transition:transform .25s;
}
.blog-a .ba-guide a:hover{transform:translateY(-6px)}
.blog-a .ba-guide-top{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:22px 22px 16px}
.blog-a .ba-guide-no{display:block;font-family:var(--en);font-size:78px;font-weight:900;line-height:.78;color:var(--blue)}
.blog-a .ba-guide-theme{text-align:right;font-size:13.5px;font-weight:700;line-height:1.5;color:var(--deep)}
.blog-a .ba-guide-theme b{display:block;font-family:var(--en);font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--muted)}
.blog-a .ba-guide-ph{position:relative;display:block;aspect-ratio:16 / 9;overflow:hidden;background:linear-gradient(135deg, #e6f0f7 0%, #d3e3ef 100%)}
.blog-a .ba-guide-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.blog-a .ba-guide a:hover .ba-guide-ph img{transform:scale(1.04)}
.blog-a .ba-guide-body{display:flex;flex:1;flex-direction:column;gap:10px;padding:20px 22px 24px}
.blog-a .ba-guide-tag{align-self:flex-start;padding:3px 10px;border-radius:4px;background:#eef6fc;color:var(--deep);font-size:12.5px;font-weight:700;line-height:1.5}
.blog-a .ba-guide h3{font-size:18.5px;line-height:1.55;overflow-wrap:anywhere}

/* ---------- 04 記事一覧 ---------- */
.blog-a .ba-list{scroll-margin-top:calc(var(--header-h) + 8px)}
.blog-a .ba-list-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:20px 48px;align-items:end}
.blog-a .ba-search--sm{border:1.5px solid var(--line);background:var(--paper);padding:4px 4px 4px 16px}
.blog-a .ba-search--sm:focus-within{outline-color:var(--blue)}
.blog-a .ba-search--sm .ba-search-in{height:44px;font-size:15px}
.blog-a .ba-search--sm .ba-search-btn{height:44px;padding:0 20px;font-size:14px}
.blog-a .ba-tabs{margin-top:32px;display:flex;flex-wrap:wrap;gap:8px}
.blog-a .ba-tab{
  display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:8px 16px;
  border:1.5px solid var(--line);border-radius:999px;background:#fff;
  font-size:14px;font-weight:700;line-height:1.3;color:var(--ink);white-space:nowrap;
  transition:border-color .2s, background-color .2s, color .2s;
}
.blog-a .ba-tab .n{font-family:var(--en);font-size:16px;font-weight:800;line-height:1;color:var(--blue)}
.blog-a .ba-tab:hover{border-color:var(--blue)}
.blog-a .ba-tab[aria-pressed="true"]{background:var(--deep);border-color:var(--deep);color:#fff}
.blog-a .ba-tab[aria-pressed="true"] .n{color:var(--sky)}
.blog-a .ba-status{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.blog-a .ba-result{font-size:14.5px;font-weight:700;line-height:1.6}
.blog-a .ba-result b{margin:0 2px;font-family:var(--en);font-size:22px;font-weight:800;color:var(--deep)}
.blog-a .ba-result small{font-size:12.5px;font-weight:500;color:var(--muted)}
.blog-a .ba-clear{font-size:13.5px;font-weight:700;color:var(--deep);text-decoration:underline;text-underline-offset:4px}
.blog-a .ba-noscript{margin-top:12px;font-size:13px;color:var(--muted)}

.blog-a .ba-grid{margin-top:28px;display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:28px 24px}
.blog-a .ba-card a{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:transform .25s, box-shadow .25s, border-color .25s;
}
.blog-a .ba-card a:hover{transform:translateY(-4px);border-color:#b7cfe1;box-shadow:0 24px 44px -26px rgba(30,95,140,.5)}
.blog-a .ba-thumb{position:relative;display:block;aspect-ratio:16 / 9;overflow:hidden;background:linear-gradient(135deg, #e6f0f7 0%, #d3e3ef 100%)}
.blog-a .ba-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.blog-a .ba-card a:hover .ba-thumb img{transform:scale(1.04)}
.blog-a .ba-body{display:flex;flex:1;flex-direction:column;gap:8px;padding:18px 20px 22px}
.blog-a .ba-meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;font-size:12.5px;line-height:1.5}
.blog-a .ba-cat{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--deep)}
.blog-a .ba-cat::before{content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:#b9cad8}
.blog-a .is-hp .ba-cat::before{background:var(--deep)}
.blog-a .is-web .ba-cat::before{background:var(--blue)}
.blog-a .is-ai .ba-cat::before{background:#10161b}
.blog-a .is-log .ba-cat::before{background:transparent;box-shadow:inset 0 0 0 2px var(--muted)}
.blog-a .ba-date{font-family:var(--en);font-size:15px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.blog-a .ba-ttl{font-size:17px;font-weight:700;line-height:1.6;overflow-wrap:anywhere}
.blog-a .ba-ex{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:13.5px;line-height:1.75;color:var(--muted)}
/* 運営ログ：紙の下地・破線・LOGタグ */
.blog-a .ba-card.is-log a{background:var(--paper);border-style:dashed;border-color:#b9cad8}
.blog-a .ba-card.is-log .ba-thumb img{filter:saturate(.55)}
.blog-a .ba-logtag{position:absolute;left:12px;top:12px;z-index:1;padding:3px 10px;border-radius:3px;background:rgba(16,22,27,.86);color:#fff;font-family:var(--en);font-size:13px;font-weight:700;line-height:1.4;letter-spacing:.2em}
.blog-a .ba-card.is-log .ba-ttl{font-weight:500}

.blog-a .ba-empty{margin-top:28px;padding:40px 24px;border:1px dashed var(--line);border-radius:12px;background:var(--paper);text-align:center}
.blog-a .ba-empty p{font-size:15px;line-height:1.9;color:var(--muted)}
.blog-a .ba-empty p b{display:block;margin-bottom:4px;font-size:17px;color:var(--ink)}
.blog-a .ba-empty .ba-clear{display:inline-block;margin-top:12px}
.blog-a .ba-more-wrap{margin-top:44px;text-align:center}
.blog-a .ba-more{min-width:280px;background:#fff}

/* ---------- 05 無料Web診断 ---------- */
.blog-a .ba-final{position:relative;overflow:hidden;color:#fff;background:#173f5f;padding:clamp(80px, 10vw, 136px) 0 clamp(72px, 9vw, 120px)}
.blog-a .ba-final-photo{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.blog-a .ba-final-photo-in{position:absolute;left:0;right:0;top:-12%;bottom:-12%}
.blog-a .ba-final-photo img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.blog-a .ba-final-photo::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(12,30,46,.14) 0%, rgba(12,30,46,0) 40%, rgba(12,30,46,.3) 100%),
    linear-gradient(90deg, rgba(20,64,98,.95) 0%, rgba(24,78,118,.86) 45%, rgba(30,95,140,.52) 75%, rgba(30,95,140,.3) 100%);
}
.blog-a .ba-final > .ba-lines{z-index:0;opacity:.6}
.blog-a .ba-final .ba-wrap{position:relative;z-index:1}
.blog-a .ba-final-inner{max-width:800px}
.blog-a .ba-final-kicker{
  display:inline-flex;align-items:center;gap:10px;padding:6px 18px 6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.66);background:rgba(16,40,60,.28);
  font-size:15px;font-weight:700;line-height:1.6;letter-spacing:.02em;
}
.blog-a .ba-final-kicker::before{content:"";flex:0 0 8px;height:8px;border-radius:50%;background:var(--sky);box-shadow:0 0 0 4px rgba(169,214,245,.25)}
.blog-a .ba-final-title{margin-top:24px;font-size:clamp(28px, 3.2vw + 6px, 52px);line-height:1.36;letter-spacing:.02em}
.blog-a .ba-final-lead{margin-top:20px;max-width:34em;font-size:16px;font-weight:500;line-height:1.9;color:rgba(255,255,255,.94)}
.blog-a .ba-final-points{margin-top:32px;display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px}
.blog-a .ba-final-points li{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:10px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);
  font-size:15.5px;font-weight:700;line-height:1.5;
}
.blog-a .ba-fp-no{flex:none;font-family:var(--en);font-size:28px;font-weight:900;line-height:1;color:var(--sky)}
.blog-a .ba-final-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px}
.blog-a .ba-final .ba-btn--ghost{background:rgba(16,40,60,.22)}
.blog-a .ba-final .ba-btn--ghost:hover{background:rgba(255,255,255,.14)}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1080px){
  .blog-a .ba-top-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
  .blog-a .ba-latest-body{padding:22px 24px 26px}
}
@media (max-width: 899px){
  .blog-a .ba-hero{padding-bottom:132px}
  .blog-a .ba-hero-inner{grid-template-columns:minmax(0,1fr)}
  .blog-a .ba-hero-panel{margin-top:36px}
  .blog-a .ba-top{margin-top:-92px}
  .blog-a .ba-top-grid{grid-template-columns:minmax(0,1fr)}
  .blog-a .ba-start-head{grid-template-columns:minmax(0,1fr)}
  .blog-a .ba-guides{grid-template-columns:minmax(0,1fr);gap:16px}
  .blog-a .ba-guide a{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);grid-template-areas:"top top" "ph body"}
  .blog-a .ba-guide-top{grid-area:top}
  .blog-a .ba-guide-ph{grid-area:ph;align-self:stretch;aspect-ratio:auto;min-height:160px}
  .blog-a .ba-guide-body{grid-area:body}
  .blog-a .ba-list-head{grid-template-columns:minmax(0,1fr)}
  .blog-a .ba-grid{grid-template-columns:repeat(2, minmax(0,1fr));gap:20px 16px}
  .blog-a .ba-final-photo::after{background:linear-gradient(180deg, rgba(20,64,98,.9) 0%, rgba(24,78,118,.82) 50%, rgba(20,64,98,.94) 100%)}
  .blog-a .ba-final-points{grid-template-columns:minmax(0,1fr);max-width:480px}
}
@media (max-width: 600px){
  .blog-a .ba-wrap{width:calc(100% - 40px)}
  .blog-a .ba-hero{padding-bottom:104px}
  .blog-a .ba-hero-inner{margin-top:20px}
  .blog-a .ba-eyebrow{font-size:13px;letter-spacing:.2em}
  .blog-a .ba-eyebrow::before{flex-basis:28px}
  .blog-a .ba-h1{margin-top:12px}
  .blog-a .ba-h1-s{font-size:24px}
  .blog-a .ba-h1-l{font-size:clamp(50px, 15vw, 64px)}
  .blog-a .ba-lead{margin-top:12px;font-size:14.5px}
  .blog-a .ba-hero .ba-search{margin-top:20px;padding-left:14px}
  .blog-a .ba-search svg{display:none}
  .blog-a .ba-search .ba-search-in{height:48px}
  .blog-a .ba-search-btn{height:48px;padding:0 18px}
  .blog-a .ba-keys{margin-top:12px;gap:6px}
  .blog-a .ba-keys-l{width:100%}
  .blog-a .ba-key{padding:5px 12px;font-size:13px}
  .blog-a .ba-hero-cta{margin-top:18px}
  .blog-a .ba-hero-cta .ba-btn{width:100%}
  .blog-a .ba-top{margin-top:-72px}
  .blog-a .ba-latest-body{padding:18px 18px 22px;gap:10px}
  .blog-a .ba-latest .ba-ex{font-size:14px}
  .blog-a .ba-pop{padding:20px 18px 6px}
  .blog-a .ba-guide a{display:flex}
  .blog-a .ba-guide-no{font-size:62px}
  .blog-a .ba-guide-ph{aspect-ratio:16 / 9;min-height:0}
  .blog-a .ba-guide-body{padding:16px 18px 20px}
  .blog-a .ba-guide h3{font-size:17px}
  /* タブは横スクロール（ページ自体は横スクロールさせない） */
  .blog-a .ba-tabs{flex-wrap:nowrap;overflow-x:auto;margin:20px -20px 0;padding:6px 20px 10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .blog-a .ba-tabs::-webkit-scrollbar{display:none}
  .blog-a .ba-tab{flex:none;min-height:40px;padding:7px 14px;font-size:13.5px}
  /* カードは横長（サムネイル左） */
  .blog-a .ba-grid{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:18px}
  .blog-a .ba-card a{flex-direction:row;align-items:stretch}
  .blog-a .ba-thumb{flex:0 0 112px;aspect-ratio:auto;min-height:96px}
  .blog-a .ba-body{padding:12px 14px;gap:4px}
  .blog-a .ba-ttl{font-size:15px;line-height:1.55}
  .blog-a .ba-ex{display:none}
  .blog-a .ba-date{font-size:14px}
  .blog-a .ba-meta{font-size:12px}
  .blog-a .ba-logtag{left:6px;top:6px;padding:2px 6px;font-size:11px;letter-spacing:.12em}
  .blog-a .ba-more{width:100%;min-width:0}
  .blog-a .ba-final{padding:72px 0 64px}
  .blog-a .ba-final-kicker{font-size:13px;padding:5px 14px 5px 12px}
  .blog-a .ba-final-title{margin-top:20px;font-size:25px}
  .blog-a .ba-final-lead{font-size:15px}
  .blog-a .ba-final-points{margin-top:24px;gap:10px}
  .blog-a .ba-final-points li{padding:13px 16px;font-size:15px}
  .blog-a .ba-final-actions .ba-btn{width:100%}
}
@media (prefers-reduced-motion: reduce){
  .blog-a *{transition:none !important}
}
/* 日本語見出しの改行：文節で折り返し、最終行が1文字にならないよう整える */ :where(h1,h2,h3){text-wrap:balance;word-break:auto-phrase} :where(h1,h2,h3) .kp, :where(h1,h2,h3).kp{word-break:auto-phrase}