/* =========================================================
   リユース工房 ドローン空撮・点検  共通スタイル
   配色：名刺ネイビー（ポートフォリオと統一）
   ========================================================= */
:root{
  --ink:#0e0e10;
  --navy:#1e3a6f;
  --navy-deep:#0d2348;
  --navy-light:#2f5694;
  --paper:#ffffff;
  --mist:#eef1f5;
  --mist2:#e3e8ef;
  --text:#1a1a1a;
  --sub:#6b7280;
  --line:#d8dde5;
  --line-soft:#e7ebf1;
  --line-green:#06c755;
  --maxw:1140px;
  --serif:"Noto Serif JP",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN",system-ui,sans-serif;
  --en:"Inter",sans-serif;
  --shadow:0 18px 50px rgba(13,35,72,.10);
  --shadow-sm:0 8px 24px rgba(13,35,72,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- ヘッダー ---------- */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 26px;
  transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
}
.site-header.scrolled{
  background:rgba(13,35,72,.94);
  box-shadow:0 4px 20px rgba(0,0,0,.18);
  padding:9px 26px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.brand{display:flex;align-items:center;gap:11px}
.brand img{width:44px;height:44px;border-radius:50%;background:#fff;
  box-shadow:0 2px 8px rgba(0,0,0,.15);transition:width .3s,height .3s}
.brand .brand-tx{display:flex;flex-direction:column;line-height:1.2}
.brand .brand-tx b{font-weight:700;font-size:15px;color:#fff;letter-spacing:.04em}
.brand .brand-tx span{font-family:var(--en);font-size:9.5px;letter-spacing:.22em;color:#aebfda}
.site-header:not(.scrolled) .brand .brand-tx b{text-shadow:0 1px 6px rgba(0,0,0,.5)}

.nav{display:flex;align-items:center;gap:28px}
.nav a{
  font-size:14px;font-weight:500;color:#fff;letter-spacing:.04em;
  text-shadow:0 1px 6px rgba(0,0,0,.35);position:relative;padding:4px 0;
}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:#fff;transition:width .25s}
.nav a:hover::after{width:100%}
.nav .nav-cta{
  background:var(--line-green);color:#fff;padding:9px 18px;border-radius:30px;
  font-weight:700;text-shadow:none;box-shadow:0 4px 14px rgba(6,199,85,.4)}
.nav .nav-cta::after{display:none}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;
  flex-direction:column;justify-content:center;gap:6px}
.nav-toggle span{display:block;height:2px;width:26px;background:#fff;border-radius:2px;
  box-shadow:0 1px 4px rgba(0,0,0,.4);transition:.3s}

/* ---------- ヒーロー（トップ：動画） ---------- */
.hero{position:relative;height:100svh;min-height:600px;display:flex;align-items:center;
  justify-content:center;text-align:center;color:#fff;overflow:hidden}
.hero video,.hero .hero-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg .hb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity 1.8s ease-in-out}
.hero-bg .hb.is-active{opacity:1}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(9,20,40,.55) 0%,rgba(9,20,40,.28) 40%,rgba(9,20,40,.62) 100%)}
.hero-inner{padding:0 22px;max-width:920px;animation:rise 1s ease both}
.hero .eyebrow{font-family:var(--en);font-size:13px;letter-spacing:.28em;font-weight:600;
  color:#dbe6ff;margin-bottom:20px;text-transform:uppercase}
.hero .eyebrow .ja{font-family:var(--sans);letter-spacing:.18em}
.hero h1{font-family:var(--serif);font-weight:600;
  font-size:clamp(30px,6vw,62px);line-height:1.28;margin:0 0 22px;
  text-shadow:0 3px 24px rgba(0,0,0,.45)}
.hero h1 .sky{color:#bcd2ff}
.hero p.lead{font-size:clamp(14px,1.7vw,18px);line-height:1.9;margin:0 auto 34px;
  max-width:620px;color:#eef3ff;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:1;
  font-family:var(--en);font-size:10px;letter-spacing:.25em;color:#fff;opacity:.85}
.scroll-cue::after{content:"";display:block;width:1px;height:46px;margin:10px auto 0;
  background:linear-gradient(#fff,transparent);animation:cue 1.8s infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}
  51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* ---------- ボタン ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-family:var(--sans);font-weight:700;font-size:15px;letter-spacing:.03em;
  padding:15px 30px;border-radius:40px;cursor:pointer;border:0;transition:.25s;
  white-space:nowrap}
.btn .ar{font-size:12px;transition:transform .25s}
.btn:hover .ar{transform:translateX(3px)}
.btn-primary{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;
  box-shadow:0 10px 26px rgba(13,35,72,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(13,35,72,.5)}
.btn-white{background:#fff;color:var(--navy-deep);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-white:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-line{background:var(--line-green);color:#fff;box-shadow:0 10px 26px rgba(6,199,85,.4)}
.btn-line:hover{transform:translateY(-2px)}
.btn-lg{padding:18px 38px;font-size:16px}

/* ---------- セクション共通 ---------- */
.section{padding:92px 0}
.section.alt{background:var(--mist)}
.section.navy{background:linear-gradient(150deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.eyebrow{font-family:var(--en);font-size:12px;letter-spacing:.26em;font-weight:600;
  color:var(--navy);text-transform:uppercase;display:block;margin-bottom:14px}
.navy .eyebrow{color:#bcd2ff}
.sec-head h2{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.6vw,36px);
  line-height:1.45;margin:0 0 16px}
.sec-head p{color:var(--sub);font-size:15.5px;margin:0}
.navy .sec-head p{color:#cdd8ec}

/* ---------- 旗コピー（トップ短文） ---------- */
.flag{text-align:center;padding:78px 0 26px}
.flag h2{font-family:var(--serif);font-weight:600;font-size:clamp(22px,3.4vw,33px);
  line-height:1.7;margin:0 0 14px}
.flag p{color:var(--sub);max-width:640px;margin:0 auto;font-size:15.5px}

/* ---------- 分岐カード（SERVICE 01/02） ---------- */
.fork{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:8px}
.fork-card{position:relative;border-radius:18px;overflow:hidden;background:#fff;
  border:1px solid var(--line-soft);box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column}
.fork-card:hover{transform:translateY(-6px);box-shadow:0 26px 60px rgba(13,35,72,.18)}
.fork-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--navy-deep)}
.fork-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.fork-card:hover .fork-media img{transform:scale(1.06)}
.fork-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,35,72,.05),rgba(13,35,72,.55))}
.fork-no{position:absolute;top:16px;left:20px;z-index:2;font-family:var(--en);font-weight:700;
  color:#fff;letter-spacing:.18em;font-size:13px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.fork-no b{display:block;font-size:40px;line-height:1;letter-spacing:0}
.fork-media h3{position:absolute;left:20px;bottom:16px;z-index:2;margin:0;color:#fff;
  font-family:var(--serif);font-weight:600;font-size:26px;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.fork-body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.fork-pain{color:var(--navy);font-weight:700;font-size:15.5px;line-height:1.7;margin:0 0 12px}
.fork-body p{color:var(--sub);font-size:14.5px;margin:0 0 22px;flex:1}
.fork-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);
  font-size:14.5px;align-self:flex-start;border-bottom:2px solid var(--navy);padding-bottom:3px}
.fork-card:hover .fork-link{gap:13px}

/* ---------- 強み / 選ばれる理由 ---------- */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.feature{text-align:center}
.feature .ficon{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;font-size:28px;color:#fff;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%);
  box-shadow:0 10px 24px rgba(13,35,72,.28)}
.feature h3{font-family:var(--serif);font-size:18px;font-weight:600;margin:0 0 8px}
.feature p{color:var(--sub);font-size:13.5px;margin:0;line-height:1.8}

/* ---------- 選ばれる理由（SPEC風・番号付き3項目） ---------- */
.reasons-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.reason{background:#fff;border:1px solid var(--line-soft);border-radius:16px;
  padding:32px 28px;box-shadow:var(--shadow-sm);transition:.25s}
.reason:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.reason-no{font-family:var(--en);font-weight:700;color:var(--navy);letter-spacing:.16em;
  font-size:11px;display:flex;align-items:baseline;gap:9px}
.reason-no b{font-size:32px;letter-spacing:0;line-height:1;
  background:linear-gradient(135deg,var(--navy),var(--navy-deep));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.reason h3{font-family:var(--serif);font-weight:600;font-size:19px;line-height:1.65;margin:16px 0 13px}
.reason p{color:var(--sub);font-size:14px;line-height:1.95;margin:0}
@media(max-width:980px){.reasons-list{grid-template-columns:1fr;gap:18px}}

/* ---------- 痛み入口（こんなお悩み） ---------- */
.pains{max-width:760px;margin:0 auto;display:grid;gap:14px}
.pain-item{display:flex;align-items:flex-start;gap:14px;background:#fff;border:1px solid var(--line-soft);
  border-left:4px solid var(--navy);border-radius:12px;padding:18px 22px;box-shadow:var(--shadow-sm)}
.pain-item .qmark{flex:none;width:28px;height:28px;border-radius:50%;background:var(--mist2);
  color:var(--navy);font-weight:800;display:grid;place-items:center;font-size:15px;font-family:var(--en)}
.pain-item p{margin:0;font-size:15.5px;font-weight:600;line-height:1.7}
.pain-bridge{text-align:center;margin:34px auto 0;font-family:var(--serif);font-weight:600;
  font-size:clamp(18px,2.6vw,24px);color:var(--navy-deep)}
.pain-bridge .ar{color:var(--navy);font-size:.8em}

/* ---------- できること / 対象 カード ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cap{background:#fff;border:1px solid var(--line-soft);border-radius:14px;padding:26px 24px;
  box-shadow:var(--shadow-sm);transition:.25s}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cap .cnum{font-family:var(--en);font-weight:700;color:var(--navy-light);font-size:13px;letter-spacing:.1em}
.cap h3{font-family:var(--serif);font-size:18.5px;font-weight:600;margin:6px 0 10px}
.cap p{color:var(--sub);font-size:14px;margin:0;line-height:1.85}

/* ---------- メリット数値（点検） ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:900px;margin:0 auto}
.stat{text-align:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:34px 20px}
.stat .num{font-family:var(--en);font-weight:800;font-size:clamp(34px,5vw,52px);line-height:1;
  color:#fff;letter-spacing:-.02em}
.stat .num small{font-size:.42em;font-weight:700;margin-left:4px}
.stat .lbl{margin-top:12px;font-size:14px;color:#cdd8ec;font-weight:600}

/* ---------- 流れ ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.flow-step{position:relative;background:#fff;border:1px solid var(--line-soft);border-radius:14px;
  padding:28px 20px 24px;box-shadow:var(--shadow-sm)}
.flow-step .sn{position:absolute;top:-16px;left:22px;width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--navy),var(--navy-deep));color:#fff;font-family:var(--en);
  font-weight:700;display:grid;place-items:center;font-size:15px;box-shadow:0 6px 16px rgba(13,35,72,.3)}
.flow-step h4{font-family:var(--serif);font-size:16.5px;font-weight:600;margin:8px 0 8px}
.flow-step p{color:var(--sub);font-size:13px;margin:0;line-height:1.8}

/* ---------- ギャラリー（空撮作例） ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;border-radius:12px;overflow:hidden;position:relative;aspect-ratio:4/3;
  box-shadow:var(--shadow-sm);background:var(--navy-deep)}
.gallery img,.gallery video{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.gallery figure:hover img,.gallery figure:hover video{transform:scale(1.07)}
.gallery figcaption{position:absolute;left:0;bottom:0;width:100%;padding:22px 14px 10px;
  color:#fff;font-size:12.5px;font-weight:600;
  background:linear-gradient(transparent,rgba(13,35,72,.7))}
.gallery .wide{grid-column:span 2}

/* ---------- 対応エリア ---------- */
.area-wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.area-prefs{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 0}
.area-prefs span{background:#fff;border:1px solid var(--line);border-radius:30px;
  padding:9px 20px;font-weight:700;font-size:15px;color:var(--navy-deep);box-shadow:var(--shadow-sm)}
.area-note{color:var(--sub);font-size:14px;margin-top:18px}
.area-card{background:linear-gradient(150deg,var(--navy),var(--navy-deep));color:#fff;
  border-radius:18px;padding:34px;box-shadow:var(--shadow)}
.area-card h3{font-family:var(--serif);font-weight:600;font-size:20px;margin:0 0 8px}
.area-card p{color:#cdd8ec;font-size:14px;margin:0}

/* ---------- CTA 帯 ---------- */
.cta-band{text-align:center}
.cta-band h2{font-family:var(--serif);font-weight:600;font-size:clamp(23px,3.4vw,34px);
  margin:0 0 14px;color:#fff}
.cta-band p{color:#cdd8ec;max-width:560px;margin:0 auto 34px;font-size:15px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-btns .btn{min-width:200px}

/* ---------- フッター ---------- */
.site-footer{background:var(--ink);color:#aeb4c0;padding:54px 0 30px;font-size:13.5px}
.footer-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;
  border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:26px;margin-bottom:22px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:48px;height:48px;border-radius:50%;background:#fff}
.footer-brand b{color:#fff;font-size:15px;display:block}
.footer-brand span{font-size:12px;color:#7b8190}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.footer-links a:hover{color:#fff}
.footer-copy{font-size:12px;color:#6b7180}
.footer-copy a{color:#8b93a3}

/* ---------- サブページ・ヒーロー ---------- */
.subhero{position:relative;height:60vh;min-height:420px;display:flex;align-items:center;
  color:#fff;overflow:hidden}
.subhero img,.subhero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.subhero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(110deg,rgba(9,20,40,.78) 0%,rgba(9,20,40,.5) 55%,rgba(9,20,40,.25) 100%)}
.subhero .container{padding-top:70px}
.subhero .eyebrow{color:#cfe;display:block}
.subhero h1{font-family:var(--serif);font-weight:600;font-size:clamp(28px,5vw,50px);
  line-height:1.3;margin:0 0 14px;text-shadow:0 3px 20px rgba(0,0,0,.5);max-width:760px}
.subhero p{font-size:clamp(14px,1.7vw,17px);max-width:560px;color:#eef3ff;
  text-shadow:0 2px 12px rgba(0,0,0,.5);margin:0}
.crumbs{font-size:12.5px;color:#cdd8ec;margin-bottom:18px;font-family:var(--sans)}
.crumbs a:hover{color:#fff;text-decoration:underline}

/* ---------- 区切りの小見出し（サブ内） ---------- */
.lede{max-width:760px;margin:0 auto 8px;text-align:center;color:var(--sub);font-size:15.5px}

/* ---------- レスポンシブ ---------- */
@media(max-width:980px){
  .features{grid-template-columns:repeat(2,1fr);gap:30px}
  .caps{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:26px}
}
@media(max-width:860px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);height:100vh;
    flex-direction:column;justify-content:center;align-items:flex-start;gap:26px;
    background:linear-gradient(160deg,var(--navy),var(--navy-deep));padding:40px;
    transform:translateX(100%);transition:transform .35s ease;box-shadow:-10px 0 40px rgba(0,0,0,.3)}
  .nav.open{transform:none}
  .nav a{font-size:18px;text-shadow:none}
  .nav .nav-cta{align-self:flex-start}
  .nav-toggle{display:flex}
  .site-header.menu-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .site-header.menu-open .nav-toggle span:nth-child(2){opacity:0}
  .site-header.menu-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .fork{grid-template-columns:1fr;gap:24px}
  .area-wrap{grid-template-columns:1fr;gap:26px}
  .gallery .wide{grid-column:span 1}
}
@media(max-width:600px){
  body{font-size:15px}
  .section{padding:64px 0}
  .container{padding:0 18px}
  .caps,.gallery,.stats{grid-template-columns:1fr}
  .features{grid-template-columns:1fr 1fr;gap:24px}
  .flow{grid-template-columns:1fr}
  .hero{min-height:560px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .cta-btns .btn{width:100%}
  .brand .brand-tx b{font-size:14px}
}
/* モーション配慮 */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
}