/* ==========================================================================
   coco nordic HOME 共通デザインシステム
   全ページ（index / products / business / 今後追加するページ）で読み込む。
   ページ固有のスタイル（ヒーロー演出・セクション個別レイアウト等）は
   各HTMLファイル内の<style>に記述する。
   ========================================================================== */

:root{
  --coco-bg:#fafaf8;
  --coco-ink:#211e1a;
  --coco-sub:#6d675e;
  --coco-walnut:#6b4f3a;
  --coco-sand:#f1eee8;
  --coco-line:#e3dfd7;
  --coco-dark:#23201c;
  --coco-dark-sub:#a89f92;
  --serif:'Cormorant Garamond',serif;
  --sans:'Noto Sans JP',sans-serif;
}

/* ---------- reset / base ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--coco-bg);color:var(--coco-ink);font-family:var(--sans);font-weight:300;font-size:15px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.coco-container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- placeholder / image ---------- */
.coco-ph{background:#e8e5df;color:#9b958b;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;font-size:11px;letter-spacing:.12em;text-align:center;width:100%;height:100%;min-height:180px}
.coco-ph::before{content:"IMAGE";font-family:var(--serif);font-size:18px;letter-spacing:.3em;color:#b3ada2}
.coco-img{width:100%;height:100%;object-fit:cover;display:block;background:#e8e5df}

/* ---------- typography ---------- */
.coco-eyebrow{font-size:11px;letter-spacing:.32em;color:var(--coco-walnut);text-transform:uppercase;margin-bottom:14px}
.coco-h2{font-family:var(--serif);font-weight:500;font-size:clamp(28px,4vw,40px);letter-spacing:.04em;line-height:1.4}
.coco-lead{color:var(--coco-sub);max-width:640px;margin-top:18px}
.coco-section{padding:110px 0}

/* ---------- buttons ---------- */
.coco-btn{display:inline-block;background:var(--coco-ink);color:#fff;padding:16px 46px;font-size:12.5px;letter-spacing:.24em;transition:background .3s}
.coco-btn:hover{background:var(--coco-walnut)}
.coco-btn.ghost{background:none;color:var(--coco-ink);border:1px solid var(--coco-ink)}
.coco-btn.ghost:hover{background:var(--coco-ink);color:#fff}

/* ---------- header (共通部分。透過→固定の演出はページ側で拡張) ---------- */
.coco-header{position:fixed;top:0;left:0;right:0;z-index:100}
.coco-header-inner{max-width:1320px;margin:0 auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between}
.coco-logo{display:flex;align-items:center;color:inherit}
.coco-logo-mark{height:40px;width:auto;display:block;fill:currentColor}
.coco-footer-brand{text-align:center}
.coco-footer-brand .coco-logo{display:inline-flex}
.coco-nav{display:flex;align-items:center;gap:30px}
.coco-nav a{font-size:12.5px;letter-spacing:.14em;transition:color .3s}
.coco-nav a:not(.coco-nav-store):hover{color:var(--coco-walnut)}
.coco-nav a.current{color:var(--coco-walnut)}
.coco-nav-store{border:1px solid currentColor;padding:9px 20px;transition:all .3s}
.coco-nav-store:hover{background:var(--coco-walnut);border-color:var(--coco-walnut);color:#fff!important}

/* ---------- dropdown ---------- */
.coco-nav-dropdown{position:relative}
.coco-nav-dropdown-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:22px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s;z-index:10}
.coco-nav-dropdown-menu-inner{background:var(--coco-bg);border:1px solid var(--coco-line);min-width:230px;padding:10px 0;box-shadow:0 14px 28px rgba(0,0,0,.1)}
.coco-nav-dropdown:hover .coco-nav-dropdown-menu,
.coco-nav-dropdown:focus-within .coco-nav-dropdown-menu{opacity:1;visibility:visible;pointer-events:auto}
.coco-nav-dropdown-menu a{display:block;padding:11px 22px;font-size:12.5px;letter-spacing:.06em;color:var(--coco-ink)!important;white-space:nowrap}
.coco-nav-dropdown-menu a:hover{background:var(--coco-sand);color:var(--coco-walnut)!important}

/* ---------- mobile menu button ---------- */
.coco-menu-btn{display:none;background:none;border:none;cursor:pointer;width:30px;height:22px;position:relative;z-index:110}
.coco-menu-btn span{position:absolute;left:0;width:100%;height:1px;transition:.3s}
.coco-menu-btn span:nth-child(1){top:2px}
.coco-menu-btn span:nth-child(2){top:11px}
.coco-menu-btn span:nth-child(3){top:20px}
.coco-header.menu-open .coco-menu-btn span:nth-child(1){top:11px;transform:rotate(45deg)}
.coco-header.menu-open .coco-menu-btn span:nth-child(2){opacity:0}
.coco-header.menu-open .coco-menu-btn span:nth-child(3){top:11px;transform:rotate(-45deg)}

/* ---------- footer ---------- */
.coco-footer{background:var(--coco-dark);color:var(--coco-dark-sub);padding:70px 0 36px}
.coco-footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.coco-footer .coco-logo{color:#fff}
.coco-footer .coco-logo-mark{height:72px}
.coco-footer-nav{display:flex;gap:60px;flex-wrap:wrap}
.coco-footer-nav ul{list-style:none}
.coco-footer-nav li{margin-bottom:10px}
.coco-footer-nav a{font-size:12.5px;letter-spacing:.12em;transition:color .3s}
.coco-footer-nav a:hover{color:#fff}
.coco-footer-bottom{margin-top:60px;padding-top:24px;border-top:1px solid rgba(250,250,248,.15);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:11px;letter-spacing:.14em}

/* ---------- reveal on scroll ---------- */
.coco-reveal{opacity:0;transform:translateY(26px);transition:opacity .9s ease,transform .9s ease}
.coco-reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .coco-reveal{opacity:1;transform:none;transition:none}
}

/* ---------- responsive: mobile nav（共通の開閉挙動） ---------- */
@media (max-width:991px){
  .coco-section{padding:80px 0}
  .coco-nav{position:fixed;inset:0;background:var(--coco-bg);flex-direction:column;justify-content:center;gap:26px;transform:translateX(100%);transition:transform .4s;z-index:105;overflow-y:auto;padding:40px 0}
  .coco-header.menu-open .coco-nav{transform:none}
  .coco-nav a{color:var(--coco-ink)!important;font-size:15px}
  .coco-menu-btn{display:block}
  .coco-nav-dropdown{text-align:center}
  .coco-nav-dropdown-menu{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;padding:0;padding-top:0;min-width:0;display:block}
  .coco-nav-dropdown-menu-inner{border:none;box-shadow:none;background:none;padding:0;margin-top:6px;display:flex;flex-direction:column;align-items:center;gap:10px}
  .coco-nav-dropdown-menu-inner a{display:block!important;text-align:center;padding:0;font-size:13px;color:var(--coco-sub)!important;white-space:normal}
}