/* Minimal, dependency-free styles tailored for a dark, elegant one-page */
:root{
  --bg:#0b0b0c;
  --panel:#121214;
  --text:#e7e7ea;
  --muted:#a7a7b1;
  --line:rgba(255,255,255,.12);
  --accent:#64ffda;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,'Noto Sans JP',sans-serif;background:var(--bg);color:var(--text);}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92vw);margin-inline:auto}
.section{padding:84px 0}
.section-dark{background:var(--bg)}
.h-xl{font-size:clamp(24px,4.2vw,36px);line-height:1.2;margin:8px 0 0}
.eyebrow{font-size:12px;letter-spacing:.22em;color:var(--muted)}
.muted{color:var(--muted)}
.link{color:var(--muted)}
.link:hover{color:var(--text)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,11,12,.6);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.logo{font-weight:700;letter-spacing:.14em}
.nav-toggle{display:none;background:none;border:0;color:var(--text);cursor:pointer;padding:8px}
.nav-toggle .bar{display:block;width:22px;height:1.5px;background:var(--text);margin:4px 0}
.nav-list{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.nav-list a{color:rgba(255,255,255,.7)}
.nav-list a.active,.nav-list a:hover{color:var(--text)}
@media (max-width: 860px){
  .nav-toggle{display:inline-block}
  .nav-list{position:absolute;right:16px;top:64px;flex-direction:column;gap:8px;padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;display:none}
  .nav-list.open{display:flex}
}

/* Hero (Video Background Fix) */
.hero{position:relative;min-height:88vh;display:grid;align-items:end}
.hero-inner{padding:120px 0 84px; position: relative; z-index: 2;} /* テキストを動画の上に */
.hero h1{font-size:clamp(28px,6vw,56px);margin:.3em 0}
.hero .sub{color:#cfd2d6}
.hero .lead{color:var(--muted);max-width:720px}
.hero .cta-row{display:flex;gap:12px;margin-top:12px}
.btn{display:inline-block;padding:10px 18px;border-radius:999px;font-weight:600;border:1px solid var(--line)}
.btn-solid{background:#fff;color:#111;border-color:#fff}
.btn-solid:hover{background:#e8e8e8}
.btn-ghost{color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

/* 背景動画用のスタイル（ここが足りなかった！） */
.hero-bg{
  position:absolute;
  inset:0;
  overflow: hidden;
  background: #000;
  z-index: 0;
}
.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6; /* 動画を少し暗くする */
}
.video-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.8) 100%);
  pointer-events: none;
}

/* Grid helpers */
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:1.2fr 1fr}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.five{grid-template-columns:repeat(5,1fr)}
.grid.six{grid-template-columns:repeat(6,1fr)}
@media (max-width: 980px){.grid.two{grid-template-columns:1fr}.grid.three{grid-template-columns:repeat(2,1fr)}.grid.five{grid-template-columns:repeat(3,1fr)}.grid.six{grid-template-columns:repeat(3,1fr)}}
@media (max-width: 560px){.grid.three{grid-template-columns:1fr}.grid.five{grid-template-columns:repeat(2,1fr)}.grid.six{grid-template-columns:repeat(2,1fr)}}

.feature-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{border:1px solid var(--line);border-radius:16px;padding:18px;background:linear-gradient(180deg, rgba(255,255,255,.02), transparent)}
.card h4{margin:0 0 6px 0}

/* Works */
.works-grid .work-card{overflow:hidden;border-radius:16px;border:1px solid var(--line);background:var(--panel)}

/* リンクをカード全体に広げるためのスタイル（ここが重要！） */
.work-card-link {
  display: block; /* これがないとリンクが機能しない */
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.work-card-link:hover .work-thumb img {
  transform: scale(1.06);
}

.work-thumb {
  aspect-ratio: 16/9; /* 16:9比率 */
  background: #0f0f12;
  overflow: hidden;
}
.work-thumb img{width:100%;height:100%;object-fit:cover;transform:scale(1.01);transition:transform .5s ease}

.work-meta{display:flex;align-items:center;justify-content:space-between;padding:12px 14px}
.badge{font-size:12px;border:1px solid var(--line);padding:4px 8px;border-radius:999px;color:#cfd2d6}

/* Steps */
.steps .step-n{color:var(--muted);font-size:12px}
.steps .step-t{font-weight:600;margin:4px 0}

/* Logos */
.logo-box{display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:16px;color:#bfc3c8}

/* Equipment Categories */
.category-title {
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin: 0 0 16px 0;
  font-weight: normal;
  letter-spacing: 0.05em;
}
.mt-group {
  margin-top: 40px;
}

/* News */
.news-list{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.news-list li{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-top:1px solid var(--line)}
.news-list li:first-child{border-top:0}
.news-date{color:var(--muted);font-size:14px}

/* Team */
.team-card{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.team-card .ph{aspect-ratio:1/1;background:#0f0f12}
.team-card .body{padding:12px 14px}
.role{color:var(--muted);font-size:14px}

/* Recruit */
.job-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:var(--panel)}

/* Contact */
.form{display:grid;gap:12px}
.form label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
.form input,.form textarea{background:#0f0f12;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:10px}
.contact-aside a{text-decoration:underline}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:28px 0;background:var(--bg)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.footer-links{display:flex;gap:16px;list-style:none;margin:0;padding:0}
.footer-links a{color:var(--muted)}

/* ギャラリー全体のコンテナ */
.slider-container {
  max-width: 100%;
  margin: 0 auto 60px;
}

/* メイン画像を表示するエリア */
.main-view {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 20px;
}
.main-view img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* 画像全体が見えるように */
}

/* 送りボタン（円形） */
.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}
.nav-btn:hover { background: rgba(255, 255, 255, 0.2); }
.nav-btn svg { width: 24px; height: 24px; fill: #fff; }
.prev { left: 16px; }
.next { right: 16px; }

/* サムネイルリスト */
.thumb-list {
  display: flex;
  gap: 12px;
  justify-content: center;
  overflow-x: auto;
  padding-bottom: 8px;
}
.thumb {
  width: 80px;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s;
  flex-shrink: 0;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.thumb:hover img { opacity: 1; }

/* 選択中のサムネイル（青い枠線） */
.thumb.active {
  border-color: #3b82f6; /* スクリーンショットに近い青色 */
}
.thumb.active img { opacity: 1; }