/* ============================================================
   株式会社オーバーテイク コーポレートサイト  style.css (v3)
   ※ 株式会社オーバーラインのレイアウトを参考に
      ブランド色（濃紺＋赤の差し色）でアレンジ
   ============================================================ */

:root{
  --green:       #43b02a;   /* メインカラー：ロゴのグリーン */
  --green-deep:  #2c7d1c;   /* 濃いグリーン（ホバー・グラデ） */
  --green-light: #8fd36b;   /* 明るいグリーン（差し色・筆記体） */
  --dark:        #121a24;   /* ロゴ背景の濃紺ダーク（ダーク面に使用） */
  --dark-deep:   #0c121a;
  --dark-soft:   #1f2d3a;
  --ink:         #1c2733;
  --gray:        #5d6b7a;
  --line:        #e3e8ee;
  --bg-alt:      #f2f8f0;   /* 薄いグリーンの交互背景 */
  --white:       #ffffff;
  --max:         1140px;
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:80px; }
body{
  font-family:"Noto Sans JP", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color:var(--ink); line-height:1.85; background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
.container{ width:88%; max-width:var(--max); margin:0 auto; }
.sp-only{ display:none; }

/* ---- ボタン ---- */
.btn{
  display:inline-block; padding:15px 34px; border-radius:4px;
  font-weight:700; font-size:.95rem; letter-spacing:.04em;
  transition:transform .2s, background .2s, color .2s, box-shadow .2s;
  cursor:pointer; border:2px solid transparent; text-align:center;
}
.btn-primary{ background:var(--green); color:#fff; }
.btn-primary:hover{ background:var(--green-deep); transform:translateY(-2px); box-shadow:0 8px 22px rgba(211,47,31,.28); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.75); }
.btn-ghost:hover{ background:rgba(255,255,255,.14); transform:translateY(-2px); }
.btn-block{ display:block; width:100%; }

/* ---- view more リンク ---- */
.view-more{
  display:inline-flex; align-items:center; gap:10px; margin-top:26px;
  font-weight:700; letter-spacing:.1em; font-size:.85rem; color:var(--dark);
  text-transform:uppercase;
}
.view-more .arrow{
  display:inline-flex; align-items:center; justify-content:center;
  width:34px; height:34px; border-radius:50%; background:var(--green); color:#fff;
  transition:transform .2s;
}
.view-more:hover .arrow{ transform:translateX(4px); }

/* ---- セクション共通 ---- */
.section{ padding:104px 0; }
.section-alt{ background:var(--bg-alt); }

.sec-head{ margin-bottom:54px; }
.sec-head-center{ text-align:center; }
.sec-en{
  font-family:"Dancing Script", cursive;
  color:var(--green); font-size:1.7rem; font-weight:700; line-height:1; margin-bottom:6px;
}
.sec-ja{ font-size:2rem; font-weight:900; color:var(--dark); letter-spacing:.04em; }
.sec-head-center .sec-ja{ position:relative; padding-bottom:20px; }
.sec-head-center .sec-ja::after{
  content:""; position:absolute; left:50%; bottom:0; transform:translateX(-50%);
  width:46px; height:3px; background:var(--green);
}
.sec-desc{ margin-top:18px; color:var(--gray); }
.sec-head-light .sec-ja{ color:#fff; }
.sec-head-light .sec-desc{ color:rgba(255,255,255,.85); }

/* ============================================================
   ヘッダー（追従）
   ============================================================ */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:100;
  transition:background .3s, box-shadow .3s, padding .3s;
  background:transparent;
}
.site-header.scrolled{ background:rgba(14,42,78,.97); box-shadow:0 4px 18px rgba(0,0,0,.18); }
.header-inner{
  width:94%; max-width:1320px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; height:80px;
}
.brand{ display:flex; align-items:center; gap:11px; color:#fff; }
.brand-ic{ height:44px; width:auto; flex:none; filter:drop-shadow(0 2px 5px rgba(0,0,0,.4)); }
.brand-tx{ display:flex; flex-direction:column; line-height:1.12; }
.brand-mark{ font-weight:900; font-size:1.3rem; letter-spacing:.12em; }
.brand-mark .g{ color:var(--green); }
.brand-sub{ font-size:.66rem; letter-spacing:.08em; color:rgba(255,255,255,.82); }

.gnav ul{ display:flex; align-items:center; gap:34px; }
.gnav a{ display:flex; flex-direction:column; align-items:center; color:#fff; gap:3px; }
.gnav .en{ font-size:.88rem; font-weight:700; letter-spacing:.08em; }
.gnav .ja{ font-size:.62rem; letter-spacing:.04em; color:rgba(255,255,255,.72); }
.gnav a:hover .en{ color:#ffd; }
.gnav a:hover .ja{ color:#fff; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; z-index:120; }
.nav-toggle span{ display:block; width:26px; height:2px; background:#fff; transition:transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   ヒーロー（左右分割）
   ============================================================ */
.hero{ position:relative; min-height:100vh; display:flex; }
.hero-left{
  position:relative; width:50%;
  background:linear-gradient(150deg, var(--green-deep) 0%, var(--dark) 90%);
  display:flex; align-items:center; overflow:hidden;
}
/* 装飾の大きな筆記体 */
.hero-left::before{
  content:"Overtake"; position:absolute; right:-4%; bottom:2%;
  font-family:"Dancing Script", cursive; font-size:9rem; color:rgba(255,255,255,.06);
  white-space:nowrap; pointer-events:none;
}
.hero-left-inner{ position:relative; z-index:2; color:#fff; padding:0 8% 0 11%; }
.hero-eyebrow{ font-size:.85rem; letter-spacing:.24em; color:rgba(255,255,255,.85); margin-bottom:14px; }
.hero-script{ font-family:"Dancing Script", cursive; font-size:2.4rem; color:var(--green-light); line-height:1; margin-bottom:14px; }
.hero-copy{ font-size:clamp(2rem, 3.4vw, 3rem); font-weight:900; line-height:1.45; letter-spacing:.03em; }
.hero-sub{ margin-top:22px; font-size:1.02rem; color:rgba(255,255,255,.92); font-weight:500; }
.hero-actions{ margin-top:38px; display:flex; gap:14px; flex-wrap:wrap; }

.hero-right{ width:50%; position:relative; overflow:hidden; }
.hero-photo{ width:100%; height:100%; object-fit:cover; }

.scroll-cue{ position:absolute; right:26px; bottom:0; z-index:5; display:flex; flex-direction:column; align-items:center; gap:10px; }
.scroll-text{ writing-mode:vertical-rl; letter-spacing:.3em; font-size:.7rem; font-weight:700; color:#fff; }
.scroll-cue::after{ content:""; width:1px; height:60px; background:rgba(255,255,255,.7); animation:scrollLine 1.8s infinite; transform-origin:top; }
@keyframes scrollLine{ 0%{transform:scaleY(0);} 40%{transform:scaleY(1);} 100%{transform:scaleY(0); transform-origin:bottom;} }

/* ============================================================
   新着情報（NEWS）
   ============================================================ */
.news-section{ padding:72px 0; }
.news-list{ border-top:1px solid var(--line); }
.news-item{
  display:flex; align-items:center; gap:22px; flex-wrap:wrap;
  padding:20px 6px; border-bottom:1px solid var(--line);
  transition:background .2s;
}
.news-item:hover{ background:var(--bg-alt); }
.news-date{ color:var(--dark); font-weight:700; font-size:.9rem; letter-spacing:.04em; min-width:96px; }
.news-cat{ background:var(--dark); color:#fff; font-size:.72rem; font-weight:700; padding:4px 14px; border-radius:20px; }
.news-text{ flex:1; min-width:200px; color:var(--ink); font-size:.96rem; }
.news-note{ margin-top:18px; color:var(--gray); font-size:.8rem; }

/* ============================================================
   私たちについて
   ============================================================ */
.section-about{ padding:110px 0; }
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.about-figure{ border-radius:10px; overflow:hidden; box-shadow:0 18px 44px rgba(14,42,78,.16); }
.figure-img{ width:100%; height:100%; object-fit:cover; aspect-ratio:4/3; }
.about-text .sec-head-left{ margin-bottom:26px; }
.about-text .lead{ font-size:1.25rem; font-weight:900; color:var(--dark); line-height:1.6; margin-bottom:20px; }
.about-text p{ margin-bottom:16px; color:var(--ink); }

/* ============================================================
   事業内容（カード）
   ============================================================ */
.card-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
.card-grid-2{ grid-template-columns:repeat(2,1fr); max-width:760px; margin:0 auto; }

/* 事業内容のサブグループ見出し */
.sub-head{ text-align:center; margin:56px 0 30px; }
.sub-en{ display:block; font-family:"Dancing Script", cursive; color:var(--green); font-size:1.35rem; font-weight:700; line-height:1; }
.sub-ja{ font-size:1.4rem; font-weight:900; color:var(--dark); letter-spacing:.03em; margin-top:2px; }
.sub-desc{ margin-top:8px; color:var(--gray); font-size:.92rem; }
#service .sub-head:first-of-type{ margin-top:0; }
.card{
  background:#fff; border-radius:10px; overflow:hidden;
  box-shadow:0 6px 20px rgba(14,42,78,.07);
  transition:transform .25s, box-shadow .25s; display:flex; flex-direction:column;
}
.card:hover{ transform:translateY(-8px); box-shadow:0 20px 40px rgba(14,42,78,.16); }
.card-img-wrap{ position:relative; }
.card-img{ width:100%; aspect-ratio:16/10; object-fit:cover; }
.card-no{
  position:absolute; left:0; bottom:0;
  font-family:"Dancing Script", cursive; font-size:2.2rem; font-weight:700; color:#fff;
  background:var(--green); padding:2px 20px 6px; line-height:1;
}
.card-body{ padding:26px 26px 32px; }
.card-title{ font-size:1.15rem; font-weight:700; color:var(--dark); line-height:1.45; margin-bottom:14px; }
.card-title::before{ content:""; display:block; width:28px; height:3px; background:var(--green); margin-bottom:12px; }
.card-body p{ color:var(--gray); font-size:.93rem; }

/* ============================================================
   選ばれる理由
   ============================================================ */
.reason-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:26px; }
.reason-item{
  background:#fff; border:1px solid var(--line); border-top:4px solid var(--dark);
  border-radius:8px; padding:34px 32px; transition:border-top-color .25s, box-shadow .25s, transform .25s;
}
.reason-item:hover{ border-top-color:var(--green); box-shadow:0 14px 30px rgba(14,42,78,.1); transform:translateY(-4px); }
.reason-num{ font-family:"Dancing Script", cursive; font-size:2.6rem; font-weight:700; color:var(--green); line-height:1; }
.reason-title{ font-size:1.2rem; font-weight:700; color:var(--dark); margin:8px 0 12px; }
.reason-item p{ color:var(--gray); font-size:.95rem; }

/* ============================================================
   会社概要
   ============================================================ */
.company-wrap{ max-width:860px; margin:0 auto; }
.company-table{ width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:10px; overflow:hidden; }
.company-table th, .company-table td{ padding:22px 26px; text-align:left; vertical-align:top; border-bottom:1px solid var(--line); }
.company-table tr:last-child th, .company-table tr:last-child td{ border-bottom:0; }
.company-table th{ width:30%; background:var(--dark); color:#fff; font-weight:700; font-size:.95rem; }
.company-table td{ color:var(--ink); }

/* ============================================================
   お問い合わせ
   ============================================================ */
.section-contact{ background:linear-gradient(150deg, var(--green-deep) 0%, var(--dark) 85%); }
.contact-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:44px; align-items:start; }
.contact-box{ background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.18); border-radius:10px; padding:26px 28px; margin-bottom:18px; }
.contact-label{ color:var(--green-light); font-weight:700; font-size:.82rem; letter-spacing:.1em; }
.contact-value{ font-size:1.3rem; font-weight:900; color:#fff; margin:6px 0; word-break:break-all; }
.contact-note{ color:rgba(255,255,255,.7); font-size:.82rem; }
.contact-link{ color:inherit; transition:color .2s; }
.contact-link:hover{ color:var(--green-light); }
.contact-value-sm{ font-size:1.05rem; }
.hp{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

.contact-form{ background:#fff; border-radius:10px; padding:34px 32px; }
.form-row{ margin-bottom:18px; }
.form-row label{ display:block; font-weight:700; font-size:.9rem; color:var(--dark); margin-bottom:8px; }
.req{ background:var(--green); color:#fff; font-size:.68rem; padding:2px 8px; border-radius:3px; margin-left:6px; font-weight:700; vertical-align:middle; }
.form-row input, .form-row textarea{
  width:100%; padding:12px 14px; border:1px solid #cfd7e0; border-radius:6px;
  font-family:inherit; font-size:.95rem; color:var(--ink); background:#fdfdfe;
  transition:border-color .2s, box-shadow .2s;
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color:var(--dark); box-shadow:0 0 0 3px rgba(14,42,78,.12); }
.form-actions{ margin-top:6px; }
.form-note{ color:var(--gray); font-size:.8rem; margin-top:12px; text-align:center; }

/* ============================================================
   フッター
   ============================================================ */
.site-footer{ background:var(--dark-deep); color:#fff; padding:54px 0 24px; }
.footer-inner{ display:flex; align-items:flex-start; justify-content:space-between; gap:24px; flex-wrap:wrap; padding-bottom:28px; border-bottom:1px solid rgba(255,255,255,.12); }
.footer-brand{ display:flex; flex-direction:column; line-height:1.3; }
.footer-logo{ display:flex; align-items:center; gap:11px; margin-bottom:8px; }
.footer-logo-img{ height:96px; width:auto; margin-bottom:10px; filter:drop-shadow(0 2px 6px rgba(0,0,0,.4)); }
.footer-addr{ margin-top:10px; font-size:.82rem; color:rgba(255,255,255,.7); }
.footer-nav{ display:flex; gap:24px; flex-wrap:wrap; }
.footer-nav a{ color:rgba(255,255,255,.82); font-size:.9rem; transition:color .2s; }
.footer-nav a:hover{ color:#fff; }
.copyright{ text-align:center; color:rgba(255,255,255,.6); font-size:.8rem; margin-top:22px; letter-spacing:.04em; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width:1000px){
  .gnav ul{ gap:22px; }
  .gnav .en{ font-size:.8rem; }
}

@media (max-width:900px){
  .hero{ flex-direction:column; min-height:auto; }
  .hero-left{ width:100%; padding:120px 0 70px; }
  .hero-left::before{ font-size:6rem; }
  .hero-right{ width:100%; height:46vw; min-height:280px; }
  .scroll-cue{ display:none; }
  .about-grid{ grid-template-columns:1fr; gap:36px; }
  .card-grid, .card-grid-2{ grid-template-columns:1fr; max-width:460px; margin:0 auto; }
  .reason-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; gap:30px; }
}

@media (max-width:768px){
  .section{ padding:72px 0; }
  .sec-ja{ font-size:1.6rem; }
  .sp-only{ display:inline; }

  .nav-toggle{ display:flex; }
  .gnav{
    position:fixed; top:0; right:-100%; width:80%; max-width:330px; height:100vh;
    background:var(--dark-deep); padding:100px 30px 40px; transition:right .35s;
    box-shadow:-8px 0 30px rgba(0,0,0,.3);
  }
  .gnav.open{ right:0; }
  .gnav ul{ flex-direction:column; align-items:stretch; gap:0; }
  .gnav a{ flex-direction:row; align-items:baseline; gap:12px; padding:16px 6px; border-bottom:1px solid rgba(255,255,255,.1); }
  .gnav .ja{ font-size:.72rem; }
}

@media (max-width:480px){
  .hero-left-inner{ padding:0 8%; }
  .hero-script{ font-size:1.9rem; }
  .hero-actions{ flex-direction:column; }
  .hero-actions .btn{ width:100%; }
  .news-date{ min-width:auto; }
  .company-table th, .company-table td{ padding:14px; font-size:.9rem; }
  .company-table th{ width:36%; }
}