/* ============================================================
   HEADER — 24mura.co.jp 全ページ共通
   STUDIO実コードをそのまま移植（2026-08-04）
   ============================================================ */

:root{
  --nsm-bg:#fafafa;
  --nsm-text:#111;
}

.nsm-global-header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:90px;
  background:transparent;
  z-index:10002;
  transition:
    background-color 0.6s cubic-bezier(0.19,1,0.22,1),
    box-shadow 0.6s cubic-bezier(0.19,1,0.22,1);
}

.nsm-global-header.is-scrolled{
  background:rgba(228,228,228,0.54)!important;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 4px 24px rgba(0,0,0,0.03);
  border-bottom:1px solid rgba(0,0,0,0.04);
}

.nsm-global-header-inner{
  max-width:1400px;
  height:100%;
  margin:0 auto;
  padding:0 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  position:relative;
  z-index:10003;
}

.nsm-global-logo img{
  height:38px;
  filter:brightness(0);
  transition:0.3s;
}

.nsm-global-logo:hover img{
  transform:scale(1.05);
}

.nsm-global-nav{
  display:flex;
  align-items:center;
  gap:40px;
  height:100%;
}

.nsm-global-nav-link{
  font-family:'Noto Serif JP','游明朝','Yu Mincho',serif;
  font-size:11px;
  font-weight:400;
  color:var(--nsm-text);
  text-decoration:none;
  letter-spacing:0.15em;
  position:relative;
  display:flex;
  align-items:center;
  height:100%;
}

.nsm-global-nav-link::after{
  content:'';
  position:absolute;
  bottom:30px;
  left:0;
  width:100%;
  height:1px;
  background:#000;
  transform:scaleX(0);
  transform-origin:right;
  transition:transform 0.5s cubic-bezier(0.19,1,0.22,1);
}

.nsm-global-nav-link:hover::after{
  transform:scaleX(1);
  transform-origin:left;
}

.nsm-global-has-drop{
  position:relative;
  height:100%;
  display:flex;
  align-items:center;
  cursor:pointer;
}

.nsm-global-drop-menu{
  position:absolute;
  top:100%;
  left:50%;
  transform:translateX(-50%) translateY(10px);
  background:var(--nsm-bg);
  border:1px solid rgba(0,0,0,0.05);
  padding:12px 0;
  min-width:240px;
  opacity:0;
  visibility:hidden;
  transition:0.4s cubic-bezier(0.19,1,0.22,1);
  box-shadow:0 20px 50px rgba(0,0,0,0.1);
}

.nsm-global-has-drop:hover .nsm-global-drop-menu{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}

.nsm-global-drop-item{
  display:block;
  padding:12px 24px;
  text-decoration:none;
  color:#000;
  font-family:'Noto Serif JP','游明朝','Yu Mincho',serif;
  font-size:11px;
  letter-spacing:0.1em;
}

.nsm-global-drop-item:hover{
  background:rgba(0,0,0,0.02);
}

/* ===== ハンバーガー完全版 ===== */
.nsm-global-hamb{
  display:none;
  width:24px;
  height:24px;
  position:relative;
  cursor:pointer;
  z-index:10005;
  flex-shrink:0;
}

.nsm-global-hamb span{
  position:absolute;
  left:0;
  width:100%;
  height:1.5px;
  background:#000;
  transform-origin:center;
  transition:
    transform 0.3s cubic-bezier(0.19,1,0.22,1),
    opacity 0.3s cubic-bezier(0.19,1,0.22,1),
    top 0.3s cubic-bezier(0.19,1,0.22,1);
}

.nsm-global-hamb span:nth-child(1){ top:5px; }
.nsm-global-hamb span:nth-child(2){ top:11px; }
.nsm-global-hamb span:nth-child(3){ top:17px; }

.nsm-global-hamb.active span:nth-child(1){
  top:11px;
  transform:rotate(45deg);
}

.nsm-global-hamb.active span:nth-child(2){
  opacity:0;
}

.nsm-global-hamb.active span:nth-child(3){
  top:11px;
  transform:rotate(-45deg);
}

/* ===== モバイルメニュー ===== */
.nsm-global-mobile-menu{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100vh;
  background:var(--nsm-bg);
  z-index:10000;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
  padding:0 12%;
  box-sizing:border-box;
  opacity:0;
  visibility:hidden;
  transition:0.4s;
  overflow-y:auto;
}

.nsm-global-mobile-menu.active{
  opacity:1;
  visibility:visible;
}

/* 親見出し（大メニュー） */
.nsm-global-mobile-heading{
  font-family:'Noto Serif JP','游明朝','Yu Mincho',serif;
  font-size:22px;
  font-weight:400;
  color:#000;
  letter-spacing:0.18em;
  text-transform:uppercase;
  margin:24px 0 10px;
  opacity:0;
  transform:translateY(20px);
  transition:0.4s;
  display:block;
}

/* 単独リンク（子を持たない大メニュー） */
.nsm-global-mobile-link{
  font-family:'Noto Serif JP','游明朝','Yu Mincho',serif;
  font-size:22px;
  font-weight:400;
  color:#000;
  text-decoration:none;
  letter-spacing:0.18em;
  text-transform:uppercase;
  margin:24px 0 10px;
  display:block;
  opacity:0;
  transform:translateY(20px);
  transition:0.4s;
}

/* 子リンク（小メニュー） */
.nsm-global-mobile-sublink{
  font-family:'Noto Serif JP', serif;
  font-size:13px;
  font-weight:300;
  color:#666;
  text-decoration:none;
  letter-spacing:0.08em;
  margin:6px 0 6px 16px;
  padding-left:14px;
  border-left:1px solid rgba(0,0,0,0.15);
  display:block;
  opacity:0;
  transform:translateY(20px);
  transition:0.4s;
}

.nsm-global-mobile-menu.active .nsm-global-mobile-link,
.nsm-global-mobile-menu.active .nsm-global-mobile-heading,
.nsm-global-mobile-menu.active .nsm-global-mobile-sublink{
  opacity:1;
  transform:translateY(0);
}

body.nsm-menu-open{
  overflow:hidden;
}

@media(max-width:1200px){
  .nsm-global-nav{
    display:none;
  }
  .nsm-global-hamb{
    display:flex;
  }
}

@media(max-width:600px){
  .nsm-global-mobile-menu{
    padding:0 10%;
  }
  .nsm-global-mobile-heading,
  .nsm-global-mobile-link{
    font-size:20px;
    margin:18px 0 8px;
  }
  .nsm-global-mobile-sublink{
    font-size:12px;
  }
}