/* 共通: 作品ページ用シンプルモダンスタイル */
:root{
  --bg:#0f1720;
  --card:#0b1220;
  --muted:#9aa4b2;
  --accent:#4fd1c5;
  --max-width:1000px;
  --header-height:72px;
  /* ナビ用 */
  --nav-bg: rgba(255,255,255,0.72);
  --nav-border: rgba(0,0,0,0.08);
  --nav-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
*{box-sizing:border-box}
html,body{height:100%;}
html{scroll-padding-top:var(--header-height);scroll-behavior:smooth}

body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  background:linear-gradient(180deg,#f7fafc 0%, #ffffff 100%);
  color:#0b1220;
  -webkit-font-smoothing:antialiased;
  padding-top:calc(var(--header-height) + 12px) !important;
}
/* 既存テーマの#hero過剰余白をリセット＋固定ナビ分の安全余白を付与（PC） */
#hero{
  margin:0 !important;
  padding:calc(var(--header-height) + 8px) 0 0 !important; /* 上にナビ高さ+余白 */
  height:auto !important;
  background:transparent !important;
}
@media (max-width:768px){
  /* モバイルでは既存のボディ余白で十分なので追加分を軽減 */
  #hero{ padding-top: calc(var(--header-height) + 4px) !important; }
}
/* 中央コンテナ */
.works-container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
/* ヒーロー（スライド） */
.slideshow-section{display:block;max-width:var(--max-width);margin:0 auto 12px}
.slideshow-container{position:relative;border-radius:10px;overflow:hidden;background:#e9e9e9;box-shadow:0 6px 18px rgba(16,24,40,0.08);height:auto !important;width:100%}
.slideshow-container img{
  width:100%;
  height:auto !important;
  max-height: 60%;
  max-width: 70%;
  object-fit:contain !important;
  display:block;
  margin:0 auto;
}
/* 縦横で画像の最大幅を切り替え */
.slideshow-container img.is-portrait{max-width:50%;}
.slideshow-container img.is-landscape{max-width:90%; max-height: 80%;}
.prev,.next{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(11,18,32,0.7);color:#fff;
  width:44px;height:44px;border-radius:50%;
  text-decoration:none;cursor:pointer;
  display:grid;place-items:center;line-height:1;
  box-shadow:0 2px 6px rgba(0,0,0,0.25);z-index:10;
  font-size:22px;
}
/* ==== 作品ページ用 ナビのモダン化（色味は既存踏襲） ==== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--nav-bg);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
  z-index: 1000;
}
.navbar-container { max-width: 1200px; margin: 0 auto; padding: 6px 20px; }
.navbar-logo img { height: 40px; width: auto; }
.navbar-menu li a { position: relative; padding: 10px 8px; font-weight: 600; }
.navbar-menu li a::after {
  content: ""; position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px;
  background: currentColor; opacity: 0; transform: scaleX(0.6); transform-origin: center;
  transition: opacity .2s ease, transform .2s ease;
}
.navbar-menu li a:hover::after, .navbar-menu li a:focus::after { opacity: .8; transform: scaleX(1); }
.my-apps-button { border: 1px solid var(--nav-border); }
@media (max-width: 1240px) {
  .navbar-container { padding: 6px 12px; }
  .navbar-menu {
    left: 0; right: 0; margin: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--nav-border);
  }
  .navbar-menu li a { padding: 14px 16px; }
  .hamburger-menu { border-radius: 10px; }
  .hamburger-menu.is-active { background: rgba(0,0,0,0.04); }
}
.prev{left:14px}
.next{right:14px}
.prev:hover,.next:hover{background:rgba(11,18,32,0.9)}
.slideshow-section .dot{height:10px;width:10px;margin:10px 6px;background:var(--dot-color, #d1d5db);border-radius:50%;display:inline-block;cursor:pointer}
.slideshow-section .dot:hover{background:var(--dot-color-hover, var(--dot-color-active, #4fd1c5))}
.slideshow-section .dot.active{background:var(--dot-color-active, #4fd1c5) !important}
/* タイトル・概要 */
.aboutCountnt{margin:22px 0;padding:24px 20px 80px;}
.aboutCountnt{margin-left:0 !important}
.aboutCountnt h1{font-size:30px;margin:0 0 6px}
.aboutCountnt time{display:block;color:var(--muted);margin-bottom:12px}
.Content_Genre{list-style:none;padding:0;margin:8px 0;display:flex;gap:8px;flex-wrap:wrap}
.app-genre{display:inline-flex;padding:6px 10px;border-radius:999px;font-weight:600;font-size:0.9rem;align-items:center;justify-content:center;text-align:center}

/* ダウンロード等のボタン用：上下に適度な余白を確保 */
.Dl-button{
  display:inline-block;
  padding:10px 16px;
  border-radius:8px;
  text-decoration:none;
  margin:14px 0; /* 上下の余白を確保 */
}

@media (max-width:480px){
  .Dl-button{margin:12px 0;padding:9px 14px}
}

.ContentAbout .news-section{margin:18px 0}
.ContentAbout h2{font-size:22px;margin:0 0 8px}
.news-item{background:#fff;padding:16px;border-radius:8px;box-shadow:0 4px 14px rgba(2,6,23,0.04)}
.news-item p{color:#1f2937;line-height:1.7;margin:8px 0}
.news-item .news-footer{margin-top:12px;color:var(--muted);font-size:0.9rem}

/* 見た目を整えるユーティリティ */
.center{max-width:var(--max-width);margin:0 auto}

/* 動画埋め込みのレスポンシブ対応 */
.video-wrapper{
  position:relative;
  width:100%;
  max-width:1000px;
  margin:0 auto; /* 中央揃え */
  aspect-ratio:16/9; /* 16:9比率を維持 */
}
.video-wrapper iframe{
  position:absolute;
  top:0;left:0;
  width:100%;
  height:100%;
  border:0;
}

/* 小画面では最大幅を端末幅に合わせる */
@media (max-width:1240px){
  .video-wrapper{ max-width:100%; }
}

/* Portfolioページ用: ナビの左余白調整（デスクトップのみ適用） */
@media (min-width:1241px){
  .navbar{padding-left:0 !important}
  .navbar-container{padding-left:0 !important;padding-right:0 !important}
}

@media (max-width:800px){
  .slideshow-container img{max-height:min(70vh, calc(100vh - var(--header-height) - 24px))}
  body{padding:18px 12px 60px}
  .aboutCountnt h1{font-size:22px}
}

@media (max-width:768px){
  :root{--header-height:72px}
}
@media (max-width:480px){
  :root{--header-height:80px}
  .slideshow-container img{max-height:min(65vh, calc(100vh - var(--header-height) - 20px))}
}
@media (max-width:768px){
  .prev,.next{width:38px;height:38px;font-size:18px}
}