/* ===== ヘッダー ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(169,211,220,.92);backdrop-filter:blur(16px);border-bottom:2px solid var(--pool-line)}
.site-header__inner{position:relative;width:var(--inner);height:62px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
/* ロゴ：左配置 */
.site-logo{display:flex;align-items:center;z-index:2}
.site-logo a{display:flex;align-items:center}
.site-logo img{max-width:300px!important;max-height:70px!important;width:auto!important;height:auto!important;object-fit:contain!important}
/* ナビ：ホバーで展開 */
.site-nav{position:relative;z-index:3}
.site-nav::before{content:"MENU";font-size:13px;font-weight:900;letter-spacing:.1em;cursor:pointer;display:block;padding:8px 0}
.site-nav__list{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:14px 24px;font-size:13px;font-weight:800;letter-spacing:.06em;position:absolute;right:0;top:100%;background:var(--pool-black);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;white-space:nowrap}
.site-nav:hover .site-nav__list{opacity:1;visibility:visible}
.site-nav__list li a{color:var(--pool-white)!important}
.site-nav__list li a:hover{opacity:.7}
/* ホバーアンダーライン */
.site-nav a{position:relative}
.site-nav a:not(.nav-contact)::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--pool-white);transition:width .25s ease}
.site-nav a:not(.nav-contact):hover::after{width:100%}
/* CONTACTボタン */
.nav-contact,.site-nav__list li:last-child a{display:inline-flex;align-items:center;justify-content:center;min-width:100px;height:40px;padding:0 16px;background:var(--pool-white)!important;color:var(--pool-black)!important}
/* ハンバーガー（モバイル） */
.site-menu-toggle{display:none;width:48px;height:48px;border:0;background:transparent;padding:0}
.site-menu-toggle span{display:block;height:2px;background:var(--pool-black);margin:8px 0}
.mobile-menu{width:var(--inner);margin:0 auto;padding:18px 0 24px;border-top:1px solid var(--pool-line)}
.mobile-menu a{display:block;padding:12px 0;font-weight:800}

/* ===== フッター ===== */
.site-footer{width:var(--inner);margin:0 auto;padding:28px 0 46px}
.site-footer__inner{border-top:2px solid var(--pool-line);padding-top:22px;display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:12px;font-weight:800;flex-wrap:wrap}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-nav a{font-size:11px;font-weight:700;letter-spacing:.06em}

/* ===== ページヒーロー ===== */
.page-hero .section-grid{min-height:200px}
.page-hero__content{padding:60px 0 50px}
.page-hero__content h1{font-size:clamp(32px,4vw,52px);line-height:1.3;font-weight:900;margin:0 0 12px}
.page-hero__lead{color:var(--pool-muted);font-weight:700;margin:0;max-width:520px}

/* ===== CTA ===== */
.contact{width:var(--inner);margin:32px auto}
.contact__box{border:2px solid var(--pool-line);background:var(--pool-cream);min-height:120px;padding:32px 46px;display:grid;grid-template-columns:280px 1fr 420px;align-items:center;gap:32px}
.contact__box h2{margin:0;font-size:clamp(20px,2.5vw,36px);letter-spacing:.14em;font-weight:900;white-space:nowrap}
.contact__box p{margin:0;font-weight:700;color:var(--pool-muted)}
.contact__actions{display:grid;grid-template-columns:1fr;gap:10px}

/* ===== タグフィルター ===== */
.tag-filter .section-grid{min-height:auto;padding:18px 0}
.tag-list{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.tag-item{padding:6px 18px;border:2px solid var(--pool-line);font-weight:800;font-size:13px;transition:all .2s}
.tag-item--active,.tag-item:hover{background:var(--pool-black);color:var(--pool-white)}

/* ===== コラムリスト ===== */
.column-list{padding:10px 0}
.column-item{display:grid;grid-template-columns:100px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px solid var(--pool-line);font-weight:700;transition:opacity .2s}
.column-item:hover{opacity:.6}
.column-item time{font-size:13px;font-weight:900;color:var(--pool-muted)}
.column-item h3{font-size:15px;margin:0}
.column-item__tag{font-size:11px;padding:3px 10px;border:1px solid var(--pool-line)}
.no-posts{padding:40px 0;color:var(--pool-muted);font-weight:700}
.pagination{padding:30px 0;text-align:center}
.pagination a,.pagination span{display:inline-block;padding:8px 14px;margin:0 4px;border:1px solid var(--pool-line);font-weight:700;font-size:13px}
.pagination .current{background:var(--pool-black);color:var(--pool-white)}

/* ===== 実績グリッド ===== */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:20px 0}
.work-card{display:block;transition:transform .2s}
.work-card:hover{transform:translateY(-4px)}
.work-card__thumb{aspect-ratio:16/10;background:var(--pool-cream);border:1px solid var(--pool-line);overflow:hidden}
.work-card__thumb img{width:100%;height:100%;object-fit:cover}
.work-card__thumb--empty{background:linear-gradient(135deg,rgba(255,255,255,.5),var(--pool-cream))}
.work-card h3{font-size:15px;font-weight:900;margin:12px 0 4px}
.work-card p{font-size:12px;color:var(--pool-muted);font-weight:700}
.works-coming{padding:40px 0;font-weight:700;color:var(--pool-muted);line-height:2}

@media(max-width:1180px){
  .site-nav::before{content:"";width:28px;height:20px;display:block;border-top:3px solid var(--pool-black);border-bottom:3px solid var(--pool-black);padding-top:5px;background:linear-gradient(var(--pool-black),var(--pool-black)) center/100% 3px no-repeat}
  .contact__box{grid-template-columns:1fr}
  .works-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .site-header__inner{height:56px}
  .site-logo img{max-width:140px!important;max-height:40px!important}
  .site-nav__list{padding:12px 18px;gap:16px;flex-direction:column;align-items:flex-end}
  .page-hero__content{padding:40px 0 30px}
  .column-item{grid-template-columns:80px 1fr;gap:12px}
  .column-item__tag{display:none}
  .works-grid{grid-template-columns:1fr}
  .contact__box{padding:26px 22px}
  .site-footer__inner{flex-direction:column;text-align:center}
}