/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', 'Yu Gothic', sans-serif;
  color: #1a202c;
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============================================================
   DESIGN TOKENS
============================================================ */
:root {
  --navy:      #0c1e3c;
  --navy-mid:  #1a365d;
  --blue:      #1a56db;
  --blue-mid:  #2d6ef0;
  --blue-light:#eff6ff;
  --sky:       #60a5fa;
  --gray-bg:   #f7f9fc;
  --gray-line: #e2e8f0;
  --text:      #1a202c;
  --text-mid:  #4a5568;
  --text-soft: #718096;
  --white:     #ffffff;
  --max-w:     1160px;
  --hh:        72px;
  --radius:    12px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.07);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.14);
}

/* ============================================================
   LOADER
============================================================ */
#page-loader {
  position: fixed; inset: 0;
  background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#page-loader.hide { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-bottom: 32px;
  animation: loaderPulse 1.2s ease-in-out infinite;
}
.loader-icon { font-size: 40px; }
.loader-name { font-size: 28px; font-weight: 800; color: white; letter-spacing: 0.06em; }
.loader-track {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.15); border-radius: 2px;
  overflow: hidden; margin: 0 auto;
}
.loader-bar {
  height: 100%; background: var(--sky); border-radius: 2px;
  animation: loadProgress 1.1s cubic-bezier(0.4,0,0.2,1) forwards;
}
@keyframes loadProgress { 0%{width:0} 100%{width:100%} }
@keyframes loaderPulse {
  0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.75;transform:scale(0.97)}
}

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto;
  height: var(--hh);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-line);
  z-index: 1000;
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.1); }
.header-inner {
  max-width: var(--max-w); margin: 0 auto; height: 100%;
  display: flex; align-items: center; gap: 20px; padding: 0 24px;
}
.header-logo { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-icon { font-size:26px; line-height:1; }
.logo-text { font-size:16px; font-weight:800; color:var(--navy); line-height:1.25; letter-spacing:0.02em; }
.logo-small { font-size:10px; font-weight:600; color:var(--text-mid); }
.header-nav { display:flex; align-items:center; gap:2px; flex:1; justify-content:center; }
.header-nav a {
  font-size:13px; font-weight:600; color:var(--text);
  padding:7px 11px; border-radius:7px; white-space:nowrap;
  transition:color .2s, background .2s;
}
.header-nav a:hover { color:var(--blue); background:var(--blue-light); }
.nav-contact-btn {
  background:var(--blue) !important; color:white !important;
  padding:8px 18px !important; border-radius:7px !important;
}
.nav-contact-btn:hover { background:var(--navy) !important; transform:translateY(-1px) !important; }
.header-tel { flex-shrink:0; text-align:right; display:flex; flex-direction:column; line-height:1.3; }
.tel-label { font-size:10px; color:var(--text-soft); }
.tel-number { font-size:19px; font-weight:800; color:var(--navy); letter-spacing:0.04em; }
.tel-hours { font-size:10px; color:var(--text-soft); }
.hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; margin-left:auto; }
.hamburger span { display:block; width:24px; height:2px; background:var(--navy); border-radius:2px; transition:.3s; }
.hamburger.open span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; }
.hamburger.open span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  overflow: hidden; padding-top: var(--hh);
  background: var(--navy);
}
/* 動画背景 */
.hero-video-wrap {
  position: absolute; inset: 0;
  overflow: hidden; pointer-events: none;
}
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.38) saturate(0.75);
  animation: heroZoom 14s ease-in-out infinite alternate;
}
/* 動画読み込み失敗時フォールバック写真 */
.hero-photo-fallback {
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1601584115197-04ecc0da31d7?w=1600&q=80&auto=format') center 60% / cover;
  filter: brightness(0.38) saturate(0.75);
}
/* 動画が正常に再生できたらフォールバックを隠す */
.hero-video-wrap:has(.hero-video[data-playing]) .hero-photo-fallback { display: none; }
@keyframes heroZoom { 0%{transform:scale(1.04)} 100%{transform:scale(1.12)} }
.hero::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(105deg, rgba(8,20,55,0.9) 0%, rgba(12,30,60,0.7) 50%, rgba(10,25,55,0.35) 100%);
}
.hero-canvas { position:absolute; inset:0; width:100%; height:100%; pointer-events:none; z-index:1; opacity:0.45; }
.hero-shapes { position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:1; }
.hs { position:absolute; border-radius:50%; border:1px solid rgba(255,255,255,0.06); animation:hsSpin linear infinite; }
.hs-1 { width:600px;height:600px; right:-200px;top:-100px; animation-duration:60s; }
.hs-2 { width:400px;height:400px; right:100px;bottom:-100px; animation-duration:45s; animation-direction:reverse; }
.hs-3 { width:200px;height:200px; left:5%;top:30%; animation-duration:30s; opacity:0.5; }
.hs-4 { width:80px;height:80px; left:20%;bottom:20%; animation-duration:20s; border-color:rgba(96,165,250,0.2); }
@keyframes hsSpin { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
.hero-content {
  position:relative; z-index:2; color:white;
  padding:80px 24px 100px;
  max-width:660px;
  margin-left:clamp(24px,6vw,120px);
}
.hero-catch-sub {
  font-size:13px; font-weight:700; letter-spacing:0.2em; color:var(--sky);
  margin-bottom:20px; opacity:0; transform:translateY(20px);
  transition:opacity .7s ease, transform .7s ease;
}
.hero-catch {
  font-size:clamp(30px,4.8vw,58px); font-weight:900; line-height:1.25;
  margin-bottom:24px; letter-spacing:0.02em;
  text-shadow:0 2px 30px rgba(0,0,0,0.4);
  opacity:0; transform:translateY(24px);
  transition:opacity .8s ease, transform .8s ease;
}
.hero-desc {
  font-size:15px; color:rgba(255,255,255,0.82);
  margin-bottom:40px; line-height:1.85; max-width:500px;
  opacity:0; transform:translateY(20px);
  transition:opacity .7s ease, transform .7s ease;
}
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:40px; opacity:0; transform:translateY(20px); transition:opacity .7s ease, transform .7s ease; }
.hero-badges { display:flex; gap:12px; flex-wrap:wrap; opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s ease; }
.hero-badge { font-size:12px; font-weight:600; color:rgba(255,255,255,0.8); background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.2); padding:5px 14px; border-radius:20px; backdrop-filter:blur(4px); }
.hero-anim.is-visible { opacity:1 !important; transform:translateY(0) !important; }
.hero-scroll-indicator {
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:6px;
  color:rgba(255,255,255,0.45); font-size:9px; letter-spacing:0.2em; z-index:2;
  animation:scrollBounce 2.2s ease-in-out infinite;
}
.scroll-line { width:1px; height:36px; background:linear-gradient(to bottom, rgba(255,255,255,0.45), transparent); }
@keyframes scrollBounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ============================================================
   BUTTONS
============================================================ */
.btn { display:inline-flex; align-items:center; justify-content:center; padding:14px 32px; border-radius:8px; font-size:15px; font-weight:700; cursor:pointer; border:2px solid transparent; line-height:1; transition:all .22s ease; }
.btn-primary { background:var(--blue); color:white; border-color:var(--blue); }
.btn-primary:hover { background:var(--navy); border-color:var(--navy); transform:translateY(-2px); box-shadow:0 8px 24px rgba(26,86,219,0.4); }
.btn-glow { animation:btnPulse 3s ease-in-out infinite; }
@keyframes btnPulse { 0%,100%{box-shadow:0 0 0 0 rgba(26,86,219,0.35)} 50%{box-shadow:0 0 0 10px rgba(26,86,219,0)} }
.btn-glass { background:rgba(255,255,255,0.12); color:white; border-color:rgba(255,255,255,0.45); backdrop-filter:blur(8px); }
.btn-glass:hover { background:rgba(255,255,255,0.22); transform:translateY(-2px); }
.btn-outline-dark { background:transparent; color:var(--blue); border-color:var(--blue); padding:11px 28px; font-size:14px; }
.btn-outline-dark:hover { background:var(--blue-light); }
.btn-lg { padding:16px 40px; font-size:16px; }
.btn-submit { width:100%; background:var(--blue); color:white; border-color:var(--blue); padding:16px; font-size:16px; }
.btn-submit:hover { background:var(--navy); border-color:var(--navy); transform:translateY(-2px); }

/* ============================================================
   SCROLL REVEAL
============================================================ */
[data-reveal] { opacity:0; transform:translateY(36px); transition:opacity .65s ease, transform .65s ease; }
[data-reveal].is-visible { opacity:1; transform:translateY(0); }

/* ============================================================
   TOPICS BAR
============================================================ */
.topics-bar { background:var(--navy); color:white; display:flex; align-items:center; height:44px; overflow:hidden; }
.topics-label { background:var(--blue); padding:0 20px; font-size:11px; font-weight:700; letter-spacing:0.12em; height:100%; display:flex; align-items:center; flex-shrink:0; }
.topics-ticker { flex:1; overflow:hidden; white-space:nowrap; font-size:13px; color:rgba(255,255,255,0.8); padding:0 20px; display:flex; gap:80px; animation:ticker 32s linear infinite; }
@keyframes ticker { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* ============================================================
   SECTION COMMONS
============================================================ */
.section { padding:100px 0; }
.section-gray { background:var(--gray-bg); }
.section-blue { background:linear-gradient(135deg, var(--navy) 0%, #163066 100%); }
.section-contact { background:linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%); }
.section-inner { max-width:var(--max-w); margin:0 auto; padding:0 24px; }
.section-heading { margin-bottom:56px; }
.section-label { display:inline-block; font-size:11px; font-weight:700; letter-spacing:0.22em; color:var(--blue); margin-bottom:6px; }
.section-label-light { color:rgba(255,255,255,0.6); }
.section-title { font-size:clamp(26px,3.2vw,40px); font-weight:800; color:var(--navy); margin-bottom:16px; letter-spacing:0.02em; line-height:1.3; }
.section-title-white { color:white; }
.section-desc { font-size:15px; color:var(--text-mid); line-height:1.85; }
.section-desc-light { color:rgba(255,255,255,0.78); }
.section-more { text-align:center; margin-top:48px; }

/* ============================================================
   SERVICE
============================================================ */
.service-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.service-card { display:flex; flex-direction:column; background:white; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm); border:1px solid var(--gray-line); transition:transform .28s, box-shadow .28s; }
.service-card:hover { transform:translateY(-8px); box-shadow:var(--shadow-lg); }
.service-photo { height:160px; background-size:cover; background-position:center; transition:transform .5s; }
.service-card:hover .service-photo { transform:scale(1.06); }
.service-body { padding:20px 20px 12px; flex:1; }
.service-icon-wrap { width:40px; height:40px; border-radius:10px; display:flex; align-items:center; justify-content:center; margin-bottom:12px; }
.service-icon-wrap svg { width:24px; height:24px; }
.service-c1 { background:#eff6ff; color:var(--blue); }
.service-c2 { background:#ecfdf5; color:#059669; }
.service-c3 { background:#fff7ed; color:#d97706; }
.service-c4 { background:#fdf4ff; color:#9333ea; }
.service-name { font-size:16px; font-weight:700; color:var(--navy); margin-bottom:8px; }
.service-desc-text { font-size:13px; color:var(--text-mid); line-height:1.7; }
.service-arrow { padding:12px 20px 16px; font-size:12px; font-weight:700; color:var(--blue); display:block; }

/* ============================================================
   STRENGTH
============================================================ */
.strength-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.strength-card { background:white; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm); border:1px solid var(--gray-line); transition:transform .28s, box-shadow .28s; }
.strength-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.strength-img { height:220px; background-size:cover; background-position:center; position:relative; overflow:hidden; }
.strength-img::after { content:''; position:absolute; inset:0; background:linear-gradient(to top, rgba(8,20,55,0.72) 0%, transparent 60%); }
.strength-img-overlay { position:absolute; inset:0; z-index:1; display:flex; align-items:flex-end; padding:20px; }
.sv-number { font-size:13px; font-weight:800; letter-spacing:0.15em; color:white; background:var(--blue); padding:4px 12px; border-radius:20px; }
.strength-body { padding:24px; }
.strength-title { font-size:18px; font-weight:800; color:var(--navy); margin-bottom:10px; }
.strength-text { font-size:14px; color:var(--text-mid); line-height:1.78; margin-bottom:16px; }
.strength-link { font-size:13px; font-weight:700; color:var(--blue); }
.strength-link:hover { text-decoration:underline; }

/* ============================================================
   NUMBERS
============================================================ */
.numbers-grid { display:grid; grid-template-columns:repeat(4,1fr); margin-top:48px; border:1px solid rgba(255,255,255,0.12); border-radius:var(--radius); overflow:hidden; }
.number-item { padding:44px 20px; text-align:center; border-right:1px solid rgba(255,255,255,0.12); display:flex; flex-direction:column; align-items:center; gap:10px; transition:background .3s; }
.number-item:hover { background:rgba(255,255,255,0.05); }
.number-item:last-child { border-right:none; }
.number-value { font-size:54px; font-weight:900; color:white; line-height:1; letter-spacing:-0.02em; }
.number-value em { font-style:normal; }
.number-unit { font-size:20px; font-weight:700; vertical-align:middle; }
.number-label { font-size:13px; color:rgba(255,255,255,0.65); font-weight:600; letter-spacing:0.04em; }

/* ============================================================
   RECRUIT
============================================================ */
.recruit-box { display:grid; grid-template-columns:1fr 1.4fr; background:white; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-md); border:1px solid var(--gray-line); }
.recruit-photo { background-size:cover; background-position:center; position:relative; min-height:400px; }
.recruit-photo-overlay { position:absolute; inset:0; background:linear-gradient(to top, rgba(8,20,55,0.85) 0%, rgba(8,20,55,0.25) 60%); display:flex; align-items:flex-end; padding:32px; }
.recruit-photo-text { color:white; font-size:18px; font-weight:700; line-height:1.6; }
.recruit-content { padding:36px; display:flex; flex-direction:column; }
.recruit-item { display:grid; grid-template-columns:84px 1fr; gap:12px; padding:13px 0; border-bottom:1px solid var(--gray-line); align-items:start; }
.recruit-item:last-of-type { border-bottom:none; margin-bottom:24px; }
.recruit-label { font-size:12px; font-weight:700; color:var(--navy); }
.recruit-value { font-size:13.5px; color:var(--text-mid); line-height:1.65; }

/* ============================================================
   FLEET
============================================================ */
.fleet-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.fleet-card { background:white; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm); border:1px solid var(--gray-line); transition:transform .28s, box-shadow .28s; }
.fleet-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-lg); }
.fleet-photo { height:200px; background-size:cover; background-position:center; position:relative; overflow:hidden; transition:transform .5s; }
.fleet-card:hover .fleet-photo { transform:scale(1.05); }
.fleet-badge { position:absolute; top:12px; left:12px; font-size:11px; font-weight:700; letter-spacing:0.08em; padding:4px 12px; border-radius:20px; background:var(--blue); color:white; }
.fleet-badge-cold { background:#0284c7; }
.fleet-info { padding:22px 22px 26px; }
.fleet-name { font-size:18px; font-weight:800; color:var(--navy); margin-bottom:4px; }
.fleet-spec { font-size:12px; font-weight:700; color:var(--blue); margin-bottom:10px; letter-spacing:0.04em; }
.fleet-desc { font-size:13.5px; color:var(--text-mid); line-height:1.7; }

/* ============================================================
   NEWS
============================================================ */
.news-list { display:flex; flex-direction:column; border-top:1px solid var(--gray-line); }
.news-item { display:flex; align-items:center; gap:16px; padding:18px 12px; border-bottom:1px solid var(--gray-line); transition:background .15s, padding-left .15s; }
.news-item:hover { background:var(--blue-light); padding-left:20px; }
.news-date { font-size:13px; color:var(--text-soft); letter-spacing:0.05em; white-space:nowrap; }
.news-tag { font-size:11px; font-weight:700; padding:3px 10px; border-radius:20px; white-space:nowrap; letter-spacing:0.04em; flex-shrink:0; }
.tag-info    { background:#eff6ff; color:var(--blue); }
.tag-news    { background:#f0fdf4; color:#16a34a; }
.tag-recruit { background:#fff7ed; color:#ea580c; }
.news-title { font-size:14.5px; color:var(--text); flex:1; }
.news-item:hover .news-title { color:var(--blue); }
.news-chevron { font-size:20px; color:var(--text-soft); flex-shrink:0; }

/* ============================================================
   COMPANY
============================================================ */
.company-layout { display:grid; grid-template-columns:1fr 360px; gap:40px; align-items:start; }
.company-table { width:100%; border-collapse:collapse; }
.company-table th, .company-table td { padding:14px 16px; border-bottom:1px solid var(--gray-line); font-size:14px; line-height:1.7; vertical-align:top; }
.company-table th { width:110px; font-weight:700; color:var(--navy); background:var(--blue-light); white-space:nowrap; }
.company-table td { color:var(--text-mid); }
.company-map { position:sticky; top:calc(var(--hh) + 16px); }
.map-box { border-radius:var(--radius); overflow:hidden; border:1px solid var(--gray-line); height:260px; }
.map-note { font-size:11px; color:var(--text-soft); text-align:center; margin-top:6px; }

/* ============================================================
   CONTACT
============================================================ */
.contact-layout { display:grid; grid-template-columns:300px 1fr; gap:36px; align-items:start; }
.contact-tel-box { background:rgba(255,255,255,0.1); border:1px solid rgba(255,255,255,0.2); border-radius:var(--radius); padding:32px 24px; text-align:center; color:white; backdrop-filter:blur(8px); }
.tel-icon { font-size:36px; margin-bottom:12px; }
.contact-tel-label { font-size:12px; color:rgba(255,255,255,0.7); margin-bottom:10px; letter-spacing:0.06em; }
.contact-tel-num { display:block; font-size:32px; font-weight:900; color:white; letter-spacing:0.04em; margin-bottom:8px; transition:color .2s; }
.contact-tel-num:hover { color:var(--sky); }
.contact-tel-hours { font-size:12px; color:rgba(255,255,255,0.65); }
.tel-divider { height:1px; background:rgba(255,255,255,0.15); margin:20px 0; }
.contact-tel-note { font-size:12px; color:rgba(255,255,255,0.55); line-height:1.7; }
.contact-form { background:white; border-radius:var(--radius); padding:32px; display:flex; flex-direction:column; gap:18px; }
.form-row { display:flex; flex-direction:column; gap:5px; }
.form-row.two-col { flex-direction:row; gap:16px; }
.form-row.two-col > div { flex:1; display:flex; flex-direction:column; gap:5px; }
.form-label { font-size:12.5px; font-weight:700; color:var(--navy); }
.required { display:inline-block; font-size:10px; background:#fee2e2; color:#dc2626; padding:1px 6px; border-radius:4px; margin-left:6px; font-weight:700; }
.form-input, .form-select, .form-textarea { border:1.5px solid var(--gray-line); border-radius:8px; padding:11px 13px; font-size:14px; font-family:inherit; color:var(--text); background:white; width:100%; transition:border-color .2s, box-shadow .2s; }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(26,86,219,0.1); }
.form-textarea { resize:vertical; min-height:110px; }
.form-row-check { display:flex; }
.form-check-label { display:flex; align-items:center; gap:10px; font-size:13px; color:var(--text-mid); cursor:pointer; }
.form-check-label input { width:16px; height:16px; cursor:pointer; }
.form-link { color:var(--blue); text-decoration:underline; }

/* ============================================================
   FOOTER
============================================================ */
.site-footer { background:var(--navy); color:rgba(255,255,255,0.8); padding:64px 0 0; }
.footer-inner { max-width:var(--max-w); margin:0 auto; padding:0 24px 48px; display:grid; grid-template-columns:1fr 2fr; gap:64px; border-bottom:1px solid rgba(255,255,255,0.1); }
.footer-logo { display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.footer-logo .logo-text { color:white; }
.footer-logo .logo-small { color:rgba(255,255,255,0.5); }
.footer-tagline { font-size:13px; color:rgba(255,255,255,0.65); line-height:1.75; margin-bottom:14px; }
.footer-addr { font-size:12px; color:rgba(255,255,255,0.45); line-height:1.85; }
.footer-nav { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; padding-top:4px; }
.footer-nav-head { font-size:11px; font-weight:800; letter-spacing:0.12em; color:white; margin-bottom:12px; text-transform:uppercase; }
.footer-nav-col { display:flex; flex-direction:column; gap:8px; }
.footer-nav-col a { font-size:13px; color:rgba(255,255,255,0.55); transition:color .2s; }
.footer-nav-col a:hover { color:white; }
.footer-copy { max-width:var(--max-w); margin:0 auto; padding:20px 24px; font-size:12px; color:rgba(255,255,255,0.35); }

/* ============================================================
   PAGE TOP
============================================================ */
.page-top { position:fixed; bottom:28px; right:28px; width:48px; height:48px; background:var(--blue); color:white; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:14px; box-shadow:0 4px 20px rgba(26,86,219,0.45); z-index:900; opacity:0; pointer-events:none; transition:opacity .3s, transform .3s; }
.page-top.visible { opacity:1; pointer-events:auto; }
.page-top:hover { transform:translateY(-3px); }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width:1024px) {
  .service-grid { grid-template-columns:repeat(2,1fr); }
  .numbers-grid { grid-template-columns:repeat(2,1fr); }
  .number-item { border-bottom:1px solid rgba(255,255,255,0.12); border-right:none; }
  .number-item:nth-child(odd) { border-right:1px solid rgba(255,255,255,0.12); }
  .company-layout { grid-template-columns:1fr; }
  .company-map { position:static; }
  .recruit-box { grid-template-columns:1fr; }
  .recruit-photo { min-height:260px; }
  .contact-layout { grid-template-columns:1fr; }
}
@media (max-width:768px) {
  :root { --hh:60px; }
  .section { padding:72px 0; }
  .header-nav, .header-tel { display:none; }
  .hamburger { display:flex; }
  .header-inner { justify-content:space-between; }
  .header-nav.nav-open { display:flex; flex-direction:column; position:fixed; top:var(--hh); left:0; right:0; background:white; padding:12px 0 20px; box-shadow:0 8px 32px rgba(0,0,0,0.12); gap:0; z-index:999; }
  .header-nav.nav-open a { padding:13px 24px; border-radius:0; font-size:15px; }
  .nav-contact-btn { margin:8px 16px 0; border-radius:8px !important; text-align:center; }
  .hero-content { padding:60px 20px 80px; margin:0; }
  .service-grid { grid-template-columns:1fr; gap:14px; }
  .strength-grid, .fleet-grid { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr; gap:36px; }
  .footer-nav { grid-template-columns:repeat(2,1fr); }
  .topics-ticker { animation:none; }
  .form-row.two-col { flex-direction:column; }
}
@media (max-width:480px) {
  .hero-catch { font-size:28px; }
  .number-value { font-size:44px; }
  .footer-nav { grid-template-columns:1fr; }
  .contact-tel-num { font-size:26px; }
  .hero-btns .btn { padding:12px 22px; font-size:14px; }
}