/* =====================================================================
   4TH PARTNER — Blog / Archive / Single / Page styles
   main.css の :root 変数（--navy, --blue, --paper …）を利用します。
   ===================================================================== */

.site-main{padding-top:72px}

/* ---- page hero（ページ上部のネイビー帯） ---- */
.page-hero{
  background:linear-gradient(158deg,#22384F 0%,#182C3E 52%,#0E1E2C 100%);
  color:#fff;padding:72px 0 60px;position:relative;overflow:hidden;
}
.page-hero::before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(87,183,162,.32),transparent 62%);pointer-events:none}
.page-hero .container{position:relative}
.page-hero .eyebrow{color:var(--blue-bright)}
.page-hero .eyebrow::before{background:var(--blue-bright)}
.page-hero h1{font-family:"Noto Serif JP",serif;font-weight:700;font-size:clamp(26px,3.6vw,40px);line-height:1.4;margin:16px 0 0;color:#fff}
.page-hero p{margin:14px 0 0;color:rgba(255,255,255,.78);font-size:15px;max-width:680px}
.crumbs{margin:0 0 4px;font-size:12px;color:rgba(255,255,255,.6)}
.crumbs a{color:rgba(255,255,255,.8)}
.crumbs a:hover{color:#fff}

/* ---- blog wrap ---- */
.blog-wrap{padding:64px 0 96px}
.blog-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
@media (max-width:920px){.blog-layout{grid-template-columns:1fr;gap:48px}}

/* ---- post grid（カード） ---- */
.post-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:680px){.post-grid{grid-template-columns:1fr}}
.post-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.post-thumb{display:block;aspect-ratio:16/10;background:linear-gradient(150deg,#22384F,#0E1E2C);overflow:hidden;position:relative}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-thumb .ph{position:absolute;inset:0;display:grid;place-items:center;color:rgba(255,255,255,.5);font-family:"Inter",sans-serif;font-size:13px;letter-spacing:.1em}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-cat{display:inline-block;align-self:flex-start;font-size:11.5px;font-weight:600;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:5px 13px}
.post-card h2,.post-card h3{font-family:"Noto Serif JP",serif;font-weight:700;font-size:18px;line-height:1.55;color:var(--navy);margin:4px 0 0}
.post-card h2 a:hover,.post-card h3 a:hover{color:var(--blue)}
.post-excerpt{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0}
.post-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted-2)}
.post-meta .more{color:var(--blue);font-weight:600}

/* ---- pagination ---- */
.fp-pagination{margin-top:48px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.fp-pagination .page-numbers{display:inline-grid;place-items:center;min-width:42px;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-weight:600;font-size:14px;color:var(--navy);background:#fff;transition:all .2s}
.fp-pagination .page-numbers:hover{border-color:var(--blue);color:var(--blue)}
.fp-pagination .page-numbers.current{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ---- sidebar ---- */
.fp-sidebar{display:flex;flex-direction:column;gap:28px;position:sticky;top:96px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.side-box h3{font-size:14px;font-weight:700;color:var(--navy);margin:0 0 16px;letter-spacing:.02em}
.side-box ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-box li a{display:flex;justify-content:space-between;gap:8px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink)}
.side-box li:last-child a{border-bottom:none}
.side-box li a:hover{color:var(--blue)}
.side-box .count{color:var(--muted-2);font-size:12px}
.side-cta{background:linear-gradient(155deg,var(--navy),var(--navy-deep));color:#fff;border-radius:16px;padding:26px 24px;text-align:center}
.side-cta h3{color:#fff;margin:0 0 8px}
.side-cta p{font-size:12.5px;color:rgba(255,255,255,.78);margin:0 0 16px;line-height:1.8}
.side-cta .btn{width:100%}

/* ---- single article ---- */
.single-wrap{padding-top:56px;padding-bottom:96px;max-width:880px}
.article{max-width:760px;margin:0 auto}
.article-head{margin-bottom:30px}
.article-head .post-cat{margin-bottom:14px}
.article-head h1{font-family:"Noto Serif JP",serif;font-weight:700;font-size:clamp(21px,3.2vw,34px);line-height:1.55;color:var(--navy);margin:8px 0 14px}
@media (max-width:560px){.article-head h1{font-size:20px;line-height:1.6}}
.article-head .meta{font-size:13px;color:var(--muted-2);display:flex;gap:16px;flex-wrap:wrap}
.article-eyecatch{margin:0 0 32px;border-radius:16px;overflow:hidden}
.article-eyecatch img{width:100%;height:auto;display:block}
.article-body{font-size:15.5px;line-height:2;color:var(--ink)}
.article-body > *{margin:0 0 1.4em}
.article-body h2{font-family:"Noto Serif JP",serif;font-size:23px;font-weight:700;color:var(--navy);margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--blue);line-height:1.5}
.article-body h3{font-size:19px;font-weight:700;color:var(--navy);margin:1.8em 0 .6em;line-height:1.5}
.article-body h4{font-size:16px;font-weight:700;color:var(--navy-2);margin:1.6em 0 .5em}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{padding-left:1.4em}
.article-body li{margin:.4em 0}
.article-body blockquote{border-left:4px solid var(--blue);background:var(--paper);padding:18px 22px;border-radius:0 12px 12px 0;color:var(--navy-2);font-size:15px}
.article-body img{border-radius:12px;height:auto}
.article-body code{background:var(--paper-deep);padding:2px 6px;border-radius:5px;font-size:.92em}
.article-body pre{background:var(--navy-deep);color:#e6ecff;padding:20px;border-radius:12px;overflow:auto;font-size:13.5px;line-height:1.7}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body table{width:100%;border-collapse:collapse;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--paper);color:var(--navy);font-weight:700}
.article-body figure{margin:0 0 1.4em}
.article-body figcaption{font-size:12.5px;color:var(--muted-2);margin-top:6px;text-align:center}

/* article footer / share / related */
.article-foot{max-width:760px;margin:48px auto 0}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:40px}
.tag-list a{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 13px}
.tag-list a:hover{border-color:var(--blue);color:var(--blue)}
.post-nav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.post-nav a{flex:1 1 240px;border:1px solid var(--line);border-radius:14px;padding:16px 20px;background:#fff;transition:border-color .2s}
.post-nav a:hover{border-color:var(--blue)}
.post-nav .lab{font-size:11px;color:var(--muted-2)}
.post-nav .ttl{font-size:14px;color:var(--navy);font-weight:600;margin-top:4px;display:block}
.post-nav .next{text-align:right}

/* article bottom CTA */
.article-cta{max-width:860px;margin:0 auto;background:linear-gradient(120deg,var(--blue),var(--navy-2));border-radius:22px;padding:44px 40px;color:#fff;text-align:center}
.article-cta h3{font-family:"Noto Serif JP",serif;font-weight:700;font-size:24px;margin:0 0 10px}
.article-cta p{color:rgba(255,255,255,.85);font-size:14px;margin:0 0 22px}
.article-cta .btn-primary{background:#fff;color:var(--blue)}
.article-cta .btn-primary:hover{background:#eef2ff}

/* page (固定ページ) */
.page-body{max-width:820px;margin:0 auto;font-size:15.5px;line-height:2;color:var(--ink)}
.page-body h2{font-family:"Noto Serif JP",serif;font-size:24px;color:var(--navy);margin:1.6em 0 .6em}

/* search form */
.search-form{display:flex;gap:8px}
.search-form input[type=search]{flex:1;border:1.5px solid var(--line);border-radius:10px;padding:11px 14px;font:inherit;font-size:14px}
.search-form button{background:var(--blue);color:#fff;border-radius:10px;padding:0 18px;font-weight:700;font-size:14px}

/* 404 */
.notfound{padding:120px 0;text-align:center}
.notfound h1{font-family:"Inter",sans-serif;font-size:72px;color:var(--blue);margin:0}
.notfound p{color:var(--muted);margin:12px 0 26px}

/* ---- Contact Form 7（フォーム） ---- */
.form-wrap .wpcf7 .wpcf7-form{margin:0}
.form-wrap .wpcf7 p{margin:0}
.form-wrap .wpcf7-not-valid-tip{color:#d33;font-size:11.5px;margin-top:5px}
.form-wrap .wpcf7-response-output{margin:16px 0 0!important;border-radius:10px;border:1px solid var(--line)!important;padding:12px 14px!important;font-size:13px}
.form-wrap .wpcf7-spinner{margin:0 auto;display:block}
/* CF7のチェックボックス（興味のあるサービス）を chip 風に */
.form-wrap .service-chips .wpcf7-checkbox{display:flex;flex-wrap:wrap;gap:10px}
.form-wrap .service-chips .wpcf7-list-item{margin:0}
.form-wrap .service-chips .wpcf7-list-item label{display:inline-flex;cursor:pointer}
.form-wrap .service-chips .wpcf7-list-item input{position:absolute;opacity:0;width:0;height:0}
.form-wrap .service-chips .wpcf7-list-item-label{display:inline-block;border:1.5px solid var(--line);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:500;color:var(--navy-2);transition:all .2s}
.form-wrap .service-chips .wpcf7-list-item input:checked + .wpcf7-list-item-label{background:var(--blue);border-color:var(--blue);color:#fff}

/* ---- 資料ダウンロードページ（資料請求フォーム型） ---- */
.dl-wrap{padding:60px 0 88px}
.dl-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
@media (max-width:920px){.dl-layout{grid-template-columns:1fr;gap:36px}}
.dl-info .eyebrow{color:var(--blue)}
.dl-info .eyebrow::before{background:var(--blue)}
.dl-h2{font-family:"Noto Serif JP",serif;font-weight:700;font-size:24px;color:var(--navy);margin:14px 0 22px;line-height:1.5}
.dl-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.dl-item{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.dl-item .dl-ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--navy-2));display:grid;place-items:center;color:#fff;flex:0 0 auto;box-shadow:0 8px 20px rgba(14,140,107,.26)}
.dl-item .dl-tx b{display:block;font-size:15.5px;color:var(--navy);font-weight:700;line-height:1.3}
.dl-item .dl-tx span{font-size:12.5px;color:var(--muted)}
.dl-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.dl-points li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--navy-2);font-weight:500}
.dl-points li svg{color:var(--blue);flex:0 0 auto}
.dl-note{margin:34px 0 0;text-align:center;font-size:13px;color:var(--muted)}
.dl-note a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
/* 資料ページのフォームも、お問い合わせと同じくコンパクトに */
.dl-wrap .form-row{margin-bottom:12px}
.dl-wrap .form-row.two{gap:14px}
@media (max-width:480px){.dl-wrap .form-row.two{grid-template-columns:1fr}}

/* ---- 資料DLページ：この資料で分かること＋サムネイル ---- */
.dl-badge{display:inline-block;background:var(--navy);color:#fff;font-weight:700;font-size:14px;border-radius:8px;padding:9px 18px}
.dl-knows{list-style:none;margin:18px 0 26px;padding:18px 0 0;display:flex;flex-direction:column;gap:13px;border-top:2px solid var(--navy)}
.dl-knows li{display:flex;align-items:flex-start;gap:10px;font-size:15.5px;color:var(--navy);font-weight:700;line-height:1.6}
.dl-knows li svg{color:var(--blue);flex:0 0 auto;margin-top:4px}
.dl-thumbs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dl-thumbs img{width:100%;height:auto;border:1px solid var(--line);border-radius:9px;display:block;box-shadow:var(--shadow-s)}
.dl-meta-note{margin:16px 0 0;font-size:12px;color:var(--muted-2)}

/* ---- インタビュー記事（Q&A形式） ---- */
.article-body .iv-intro{font-size:16px;color:var(--navy-2);line-height:2;background:var(--paper);border-left:4px solid var(--blue);border-radius:0 12px 12px 0;padding:20px 24px;margin:0 0 2em}
.article-body .iv-profile{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin:0 0 1.6em;box-shadow:var(--shadow-s)}
.article-body .iv-profile img{width:170px;height:170px;border-radius:14px;object-fit:cover;flex:0 0 auto;margin:0}
@media (max-width:560px){.article-body .iv-profile{flex-direction:column;align-items:center;text-align:center}.article-body .iv-profile img{width:160px;height:160px;aspect-ratio:1/1}.article-body .iv-profile .pf b,.article-body .iv-profile .pf p{text-align:left}}
.article-body .iv-profile .pf b{display:block;color:var(--navy);font-size:16px;margin-bottom:2px}
.article-body .iv-profile .pf .pf-role{color:var(--blue);font-size:13px;font-weight:600;margin-bottom:10px}
.article-body .iv-profile .pf p{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0}
.article-body .iv-q{display:flex;gap:8px;color:var(--blue);font-weight:700;font-size:18px;line-height:1.6;margin:2.2em 0 .7em}
.article-body .iv-q::before{content:"Q.";font-family:"Inter",sans-serif;flex:0 0 auto}
.article-body .iv-a{color:var(--ink);font-size:15px;line-height:2;margin:0 0 1.4em}
.article-body .iv-a .sp{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;margin-right:4px}
.article-body .iv-a .sp::before{content:"";width:22px;height:2px;background:var(--navy);display:inline-block}
.article-body .iv-effect{list-style:none;padding:22px 24px;margin:0 0 1.4em;background:var(--blue-soft);border-radius:14px}
.article-body .iv-effect li{position:relative;padding-left:26px;margin:.5em 0;font-size:14.5px;color:var(--navy-2);font-weight:500}
.article-body .iv-effect li::before{content:"";position:absolute;left:2px;top:9px;width:11px;height:6px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}

/* 見出しフォント統一（明朝＝--font-display・700・字間.04em）。h3はゴシックだったのを明朝に */
.page-hero h1,.article-head h1,.article-body h2,.article-body h3{
  font-family:var(--font-display);font-weight:700;letter-spacing:.04em;
}