:root {
  --bg:#ffffff; --fg:#000000; --muted:#9aa0a6; --accent:#2aa84a;
}
html,body {
  background:var(--bg);
  color:var(--fg);
  font-family:"Noto Sans JP",system-ui,sans-serif;
  overflow-x:hidden; /* 横スクロール防止 */
  margin: 0;
  padding: 0px;
  background-color: #fff;
  scroll-behavior: smooth;
}

/* ヘッダー */
site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  box-sizing: border-box;
  position: relative;
  z-index: 1000;
}
.site-logo { 
  width: clamp(120px, 75vw, 800px);
  height: 90px;
}
.site-logo img { width: 100%; height: auto; }

/* ハンバーガーメニュー */
.hamburger {
  position: fixed;
  top: 1rem; right: 1rem;
  width: 60px; height: 60px;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  gap: 6px; cursor: pointer;
  z-index: 2000;
}
.hamburger .hum-line {
  width: 30px; height: 3px;
  background: #333; border-radius: 2px;
}
.hamburger .hum-label {
  font-size: 0.7rem; margin-top: 4px; color: #333;
}
.site-nav {
  position:fixed; top:76px; right:1rem;
  background:#fff; border:1px solid #222;
  padding:8px 12px; z-index:1500;
}
.site-nav a { display:block; padding:8px 10px; color:var(--fg); text-decoration:none; }
.site-nav a:hover { color:var(--accent); }

@media (max-width: 600px) {
  .site-nav {
    position: fixed;
    inset: 0; /* 画面全体を覆う */
    background: #fff; /* 白背景に統一 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    font-size: 1.4rem;
    z-index: 3000;
  }
  .site-nav a {
    color: #000; /* 黒文字でPC版と統一 */
    text-decoration: none;
  }
  .site-nav a:hover {
    color: var(--accent); /* ホバー時はアクセントカラー */
  }

  .close-nav {
    position: absolute;
    top: 1rem; right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: #000; /* 白背景に合わせて黒文字 */
    cursor: pointer;
  }

}

@media (min-width: 601px) {
  .close-nav { display: none; }
}

.site-nav[hidden] {
  display: none !important;
}

/* フッター */
.site-footer {
  text-align:center; padding:1rem;
  background-color:#f5f5f5; font-size:0.9rem; color:#333;
}
.site-footer address { font-style:normal; margin-top:0.5rem; }

/* トップへ戻る */
.back-to-top {
  position:fixed; bottom:1rem; right:1rem;
  width:48px; height:48px;
  background:#333; color:#fff;
  border-radius:50%; display:flex;
  justify-content:center; align-items:center;
  cursor:pointer; z-index:2000;
  opacity:0; pointer-events:none;
  transition:opacity 0.3s ease;
}
.back-to-top.show { opacity:1; pointer-events:auto; }

/* 見出し */
.headline {
  background:#14171a; border-left:3px solid var(--accent);
  padding:8px 12px; margin:0; font-size:14px;
}
.headline a { color:var(--fg); text-decoration:underline; }

/* ヒーロースライドショー */
.hero { position:relative; overflow:hidden; height:60vh; min-height:360px; }
.hero .slide {
  position:absolute; inset:0; opacity:0;
  transform:translateY(8px);
  transition:opacity .6s ease, transform .6s ease;
}
.hero .slide.is-active { opacity:1; transform:translateY(0); }
.hero .slide img { width:100%; height:100%; object-fit:cover; }
.hero-text {
  position:absolute; top:50%; left:50%;
  transform:translate(-50%, -50%);
  color:#fff; text-align:center; z-index:1000;
}
.hero-text h1 {
  font-size:clamp(1.5rem, 5vw, 2.5rem);
  margin-bottom:0.5em;
  text-shadow:-2px -2px 4px #000, 2px -2px 4px #000,
              -2px 2px 4px #000, 2px 2px 4px #000;
}
.hero-text p {
  font-size:clamp(1rem, 3vw, 1.2rem);
  text-shadow:-2px -2px 6px #000, 2px -2px 6px #000,
              -2px 2px 6px #000, 2px 2px 6px #000;
}

/* パネル共通 */
.panel {
  padding:64px 20px; max-width:1000px; margin:0 auto;
  opacity:0; transform:translateY(16px);
  transition:opacity .5s, transform .5s;
}
.panel.is-visible { opacity:1; transform:translateY(0); }

/* スクロール演出 */
.slide-in { opacity:0; transform:translateX(-40px); transition:opacity 0.6s ease, transform 0.6s ease; }
.slide-in.is-visible { opacity:1; transform:translateX(0); }
.text.slide-in { opacity:0; transform:translateY(20px); transition:opacity 0.8s ease, transform 0.8s ease; }
.text.slide-in.is-visible { opacity:1; transform:translateY(0); }

/* レスポンシブ */
@media (min-width:900px){ .hero{height:70vh;} }
@media (max-width:600px){ .hero{height:40vh; min-height:240px;} }

/* 行アニメーション */
.line { opacity:0; transform:translateY(20px); transition:opacity 0.6s ease, transform 0.6s ease; }
.line.is-visible:nth-child(1){ transition-delay:0s; }
.line.is-visible:nth-child(2){ transition-delay:0.2s; }
.line.is-visible:nth-child(3){ transition-delay:0.4s; }
.line.is-visible:nth-child(4){ transition-delay:0.6s; }
.line.is-visible { opacity:1; transform:translateY(0); }

/* 企業理念セクション（シネマ風） */
#philosophy.panel {
  width: 100vw;   /* ← ビューポート幅いっぱい */
  max-width:none;
  margin-top: 60px; /* 上に余白を追加 */
  padding:0;
  background-color: #000; /* 黒背景 */
  color: #fff;            /* 文字は白にしてコントラスト確保 */
}
.philosophy-block {
  position:relative; width:100%; height:110vh;
  overflow:hidden;
}

@media (max-width: 900px) {
  .philosophy-block {
    position:relative; width:100%; height:80vh;
    overflow:hidden;
  }
}

.philosophy-block picture img {
  width:100%; height:100%; object-fit:cover;
  object-position: center top; /* ← 上を基準にする */
  transform:translateY(var(--scroll-offset,0px));
  transition:transform 0.1s linear;
}

.philosophy-block.left.slide-in {
  opacity: 0;
  transform: translateX(-100px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.philosophy-block.right.slide-in {
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.philosophy-block.slide-in.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.caption {
  position:absolute; left:0; right:0;
  text-align:center; color:#fff;
  font-size:1.2rem; padding:0.5rem;
  background:rgba(0,0,0,0.7);
}
.caption.top { top:0; }
.caption.bottom { bottom:0; }

.cinema-img {
  width: 100%;
  height: 220%;
  object-fit: cover;
  object-position: center top; /* 中央基準 */
  transform: translateY(var(--scroll-offset, 0px));
  transition: transform 0.1s linear;
}

.philosophy-block.slide-in.left { transform: translateX(-100px); opacity:0; }
.philosophy-block.slide-in.right { transform: translateX(100px); opacity:0; }
.philosophy-block.slide-in.is-visible { transform: translateX(0); opacity:1; }

/* 段階的遅延 */
.philosophy-block:nth-child(1).is-visible { transition-delay:0s; }
.philosophy-block:nth-child(2).is-visible { transition-delay:0.3s; }
.philosophy-block:nth-child(3).is-visible { transition-delay:0.6s; }
.philosophy-block:nth-child(3).is-visible { transition-delay:0.9s; }

.president-name {
  text-align: center;
  font-weight: bold;
  margin-top: 10px;
}

.president-img {
  width: 100%;       /* 親要素に合わせて常にスケーリング */
  max-width: 380px;  /* PC用の最大幅を制限 */
  height: auto;      /* アスペクト比維持 */
  display: block;
  margin: 0 auto;     /* 中央寄せ */
}

@media (max-width: 600px) {
  .president-img {
    width: 100%;       /* 親要素に合わせて常にスケーリング */
    max-width: 200px;
  }
}

.greeting-block figure {
  max-width: 600px;
  margin: 0 auto;
}

.president-name {
  text-align: center;
  font-weight: bold;
  margin-top: 10px;
  font-size: 1.1rem;
}

.company-profile {
  width: 100%;
  border-collapse: collapse;
}

.company-profile th,
.company-profile td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
}

.company-profile th {
  width: 30%;       /* 左列の幅を固定気味に */
  background: #f5f5f5;
}

@media (max-width: 600px) {
  .company-profile th,
  .company-profile td {
    display: block;   /* スマホでは縦並びに */
    width: 100%;
  }
  .company-profile tr {
    margin-bottom: 10px;
    display: block;
  }
}

.company-history {
  width: 100%;
  border-collapse: collapse;
}

.company-history th,
.company-history td {
  padding: 10px;
  border-bottom: 1px solid #ccc;
}

.company-history th {
  width: 25%;
  text-align: right;
  font-weight: bold;
  color: #333;
}

.company-history td {
  width: 75%;
  text-align: left;
}

@media (max-width: 600px) {
  .company-history th,
  .company-history td {
    display: block;
    width: 100%;
    text-align: left;
  }
  .company-history th {
    margin-top: 10px;
    color: #555;
  }
}

.news-header {
  background-color: #000;   /* 黒帯 */
  color: #fff;              /* 白字 */
  text-align: center;       /* 中央寄せ */
  padding: 12px;            /* 上下余白 */
  margin: 0 0 20px 0;       /* 下に余白 */
  font-size: 1.5em;
  letter-spacing: 0.05em;
}

.outer {
  display: flex;
  justify-content: left;  /* 中央寄せ */
}

.inner {
  max-width: 100%;         /* 読みやすい幅に制限 */
  padding: 2px 8px 2px 8px;
}

.news-band {
  width: 100%;               /* 横幅いっぱい */
  box-sizing: border-box;     /* 幅にpaddingを含める */
  white-space: normal;        /* 自動改行を許可 */
  word-wrap: break-word;      /* 長い単語も折り返す */
  background-color: #000;     /* 黒帯 */
  color: #fff;                /* 白字 */
  font-size: 1.4em;
  padding: 6px 12px;
  overflow: hidden;
}

.news-band-item {
  white-space: nowrap;   /* 一行に収める */
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 2px 0;         /* 各記事の行間 */
}

.zoomed {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(1.0);
  transition: transform 0.35s ease;
  z-index: 3000;
}
.zoomed.is-big { transform: translate(-50%, -50%) scale(1.6); }
.zoom-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 2999;
}