:root{
  --bg:#090d12;
  --bg-2:#0e141b;
  --bg-3:#141c25;
  --panel:#111820;
  --panel-2:#17212b;
  --text:#f5f7fa;
  --muted:#aab4bf;
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --accent:#ff7a1a;
  --accent-2:#ff9a52;
  --accent-dark:#d55d08;
  --shadow:0 18px 48px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans JP",sans-serif;line-height:1.8;letter-spacing:.02em;
}
img,video{max-width:100%}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
.text-secondary{color:var(--muted)!important}

/* header */
.site-header{background:rgba(7,10,14,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.navbar-brand{color:#fff!important}
.brand-mark{width:11px;height:11px;display:inline-block;border-radius:2px;background:var(--accent);box-shadow:0 0 18px rgba(255,122,26,.42)}
.navbar-dark .navbar-nav .nav-link{color:#bec6cf;font-size:.9rem;transition:.2s ease}
.navbar-dark .navbar-nav .nav-link:hover,.navbar-dark .navbar-nav .nav-link.active{color:#fff!important}
.navbar-dark .navbar-nav .nav-link.active{font-weight:700}

/* buttons */
.btn{border-radius:8px;font-weight:700}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.btn-outline-light{border-color:rgba(255,255,255,.42)}
.btn-outline-light:hover{color:#111}

/* hero */
.page-main{overflow:hidden}
.page-hero{
  position:relative;min-height:410px;padding:110px 0 90px;display:flex;align-items:flex-end;
  background-size:cover;background-position:center;border-bottom:1px solid var(--line);
}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,12,.95) 0%,rgba(5,8,12,.78) 48%,rgba(5,8,12,.50) 100%)}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(255,122,26,.14),transparent 35%);pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.page-hero__en{margin:0 0 10px;color:var(--accent);font-size:.76rem;font-weight:800;letter-spacing:.24em}
.page-hero__title{margin:0 0 18px;font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:800;line-height:1.35;letter-spacing:.04em}
.page-hero__lead{max-width:830px;margin:0;color:#d2d8de;font-size:1.05rem}
.page-hero-service{background-image:url("../img/site/crane-night-02.jpg")}
.page-hero-tools{background-image:url("../img/site/tools-stands.jpg")}
.page-hero-works{background-image:url("../img/site/crane-night-01.jpg")}
.page-hero-flow{background-image:url("../img/site/crane-overhead.jpg")}
.page-hero-company{background-image:url("../img/site/keihan-office.jpg")}
.page-hero-recruit{background-image:url("../img/site/crane-night-portrait-01.jpg");background-position:center 38%}
.page-hero-contact{background-image:url("../img/site/cleanroom-equipment.jpg")}
.page-hero-simple{background-image:url("../img/site/field-sunset.jpg")}

/* breadcrumb */
.breadcrumb-wrap{background:#0d1218;border-bottom:1px solid var(--line-soft)}
.breadcrumb{font-size:.85rem}.breadcrumb a{color:#9fa8b4}.breadcrumb-item.active{color:#fff}.breadcrumb-item+.breadcrumb-item::before{color:#66707b}

/* section */
.section{padding:88px 0}.section-dark{background:var(--bg-2)}.section-soft{background:var(--bg-3)}.section-sm{padding:62px 0}
.section-heading{margin-bottom:30px}.section-heading__en{margin:0 0 8px;color:var(--accent);font-size:.74rem;font-weight:800;letter-spacing:.22em}
.section-heading h2{margin:0;font-size:clamp(1.22rem,1.9vw,1.7rem);font-weight:800;line-height:1.5}.lead{color:#c1c9d2;font-size:1.04rem;line-height:2}
.kicker{color:var(--accent);font-weight:800;letter-spacing:.12em;font-size:.78rem}

/* heading scale */
.h3{font-size:clamp(1.25rem,2vw,1.55rem)}
.h4{font-size:clamp(1.08rem,1.6vw,1.3rem)}
.h5{font-size:1rem}
.panel h3,.image-card__body h3{line-height:1.5}

/* panels and cards */
.panel{height:100%;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));box-shadow:var(--shadow)}
.panel-body{padding:28px}.panel-accent{border-color:rgba(255,122,26,.38);background:linear-gradient(180deg,rgba(255,122,26,.09),rgba(255,255,255,.018))}
.service-card__no,.tag{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border:1px solid rgba(255,122,26,.28);border-radius:999px;background:rgba(255,122,26,.09);color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.1em}

/* photo */
.photo-box{overflow:hidden;border-radius:14px;background:#070a0e;border:1px solid var(--line);box-shadow:var(--shadow)}
.photo-box img{display:block;width:100%;height:100%;object-fit:cover}
.photo-box--wide{aspect-ratio:16/9}.photo-box--landscape{aspect-ratio:4/3}.photo-box--portrait{aspect-ratio:3/4}
.photo-caption{margin-top:10px;color:#838e99;font-size:.8rem}
.photo-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
.photo-grid .photo-box:first-child{grid-row:span 2;min-height:460px}.photo-grid .photo-box:not(:first-child){min-height:222px}
.image-card{position:relative;min-height:340px;overflow:hidden;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow)}
.image-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.image-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(4,7,10,.88) 100%)}
.image-card__body{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:24px}.image-card__body h3{margin:8px 0 4px}.image-card__body p{margin:0;color:#c4ccd4}

/* lists */
.check-list{list-style:none;padding:0;margin:0}.check-list li{position:relative;padding:10px 0 10px 28px;color:#c5ccd5;border-bottom:1px solid var(--line-soft)}
.check-list li:last-child{border-bottom:0}.check-list li::before{content:"";position:absolute;top:20px;left:3px;width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* info and table */
.info-list{border-top:1px solid var(--line)}.info-row{padding:18px 0;border-bottom:1px solid var(--line)}.info-row .label{margin-bottom:4px;color:#fff;font-weight:700}
.table-wrap{overflow:hidden;border:1px solid var(--line);border-radius:12px}.table-common{width:100%;margin:0;border-collapse:collapse}.table-common th,.table-common td{padding:21px 24px;border-bottom:1px solid var(--line);vertical-align:top}
.table-common tr:last-child th,.table-common tr:last-child td{border-bottom:0}.table-common th{width:220px;background:rgba(255,255,255,.035);color:#fff;font-weight:700}.table-common td{color:#bac3cd}

/* home */
.hero-home{position:relative;padding:72px 0 82px;background:radial-gradient(circle at 8% 20%,rgba(255,122,26,.10),transparent 34%),linear-gradient(135deg,#10161d,#080c11 70%)}
.hero-home__eyebrow{color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.22em}.hero-home__title{margin:14px 0 18px;font-size:clamp(1.8rem,3.4vw,2.75rem);line-height:1.35;font-weight:800}
.hero-home__lead{color:#c5ccd5;font-size:1.05rem;max-width:680px}.hero-home__media-wrap{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#05080c;box-shadow:0 20px 55px rgba(0,0,0,.4)}
.hero-home__video{aspect-ratio:16/10}.hero-home__video video{display:block;width:100%;height:100%;object-fit:cover}.hero-home__media-note{padding:14px 18px;color:#9da7b2;font-size:.8rem;border-top:1px solid var(--line-soft)}
.metric{padding:18px 20px;border-left:2px solid var(--accent);background:rgba(255,255,255,.025)}.metric strong{display:block;font-size:1.15rem;color:#fff}.metric span{color:var(--muted);font-size:.82rem}

/* vehicles */
.vehicle-video-wrap{position:relative;overflow:hidden;aspect-ratio:16/10;background:#050709;border-bottom:1px solid var(--line-soft)}
.vehicle-video{display:block;width:100%;height:100%;object-fit:cover;background:#000;cursor:pointer}
.vehicle-play-label{position:absolute;left:12px;bottom:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.26);background:rgba(0,0,0,.62);color:#fff;font-size:.7rem;font-weight:800;letter-spacing:.1em;pointer-events:none;transition:.2s}.vehicle-play-label::before{content:"▶";color:var(--accent);margin-right:6px}
.vehicle-video-wrap.is-playing .vehicle-play-label{opacity:0}

/* flow */
.flow-step-card{position:relative}.flow-no{margin-bottom:12px;color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.14em}.flow-step-card--last{border-color:rgba(255,122,26,.38)}

/* contact */
.contact-tel{color:#fff;font-size:clamp(1.7rem,3vw,2.25rem);font-weight:800}.form-label-custom{font-weight:700}.req{margin-left:8px;color:var(--accent);font-size:.72rem}
.form-control-dark,.form-control-dark.form-control,.form-control-dark.form-select{min-height:50px;border:1px solid rgba(255,255,255,.14);background:#0c1117;color:#fff;box-shadow:none}
textarea.form-control-dark{min-height:180px;resize:vertical}.form-control-dark::placeholder{color:#727c88}.form-control-dark:focus,.form-control-dark.form-control:focus,.form-control-dark.form-select:focus{border-color:rgba(255,122,26,.7);background:#0c1117;color:#fff;box-shadow:0 0 0 .2rem rgba(255,122,26,.10)}
.form-select.form-control-dark{--bs-form-select-bg-img:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23aab2bd' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e")}.form-check-input{background-color:#0c1117;border-color:rgba(255,255,255,.28)}.form-check-input:checked{background-color:var(--accent);border-color:var(--accent)}
.form-note{padding:14px 16px;border-radius:9px;background:rgba(255,122,26,.08);border:1px solid rgba(255,122,26,.20);color:#c7ced6;font-size:.86rem}

/* CTA / related */
.cta-band{background:radial-gradient(circle at 50% 0%,rgba(255,122,26,.14),transparent 50%),#10161d;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}.cta-band p{max-width:760px;margin:20px auto 26px;color:#b9c1cb}.cta-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;list-style:none;padding:0;margin:0}.related-grid a{display:block;padding:20px 22px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.025);font-weight:700;transition:.2s}.related-grid a:hover{border-color:rgba(255,122,26,.45);background:rgba(255,122,26,.07)}

/* footer */
.site-footer{padding:34px 0;background:#070a0e;border-top:1px solid var(--line);color:#9fa9b4;font-size:.86rem}.site-footer a{color:#b7c0ca}.site-footer a:hover{color:#fff}.footer-contact{display:flex;gap:18px;flex-wrap:wrap}

@media(max-width:991.98px){.page-hero{min-height:350px;padding:88px 0 68px}.section{padding:70px 0}.related-grid{grid-template-columns:1fr}.photo-grid{grid-template-columns:1fr 1fr}.photo-grid .photo-box:first-child{grid-column:span 2;grid-row:auto;min-height:360px}.photo-grid .photo-box:not(:first-child){min-height:250px}.hero-home{padding:58px 0 68px}}
@media(max-width:767.98px){.page-hero{min-height:310px;padding:70px 0 55px}.page-hero__lead br{display:none}.section{padding:56px 0}.panel-body{padding:22px}.table-common th,.table-common td{display:block;width:100%}.table-common th{padding-bottom:7px;border-bottom:0}.table-common td{padding-top:0}.cta-buttons{flex-direction:column}.cta-buttons .btn{width:100%}.photo-grid{grid-template-columns:1fr}.photo-grid .photo-box:first-child{grid-column:auto;min-height:280px}.photo-grid .photo-box:not(:first-child){min-height:240px}.vehicle-video-wrap{aspect-ratio:16/9}.navbar .btn{width:100%;margin-top:6px}.footer-contact{display:block}.footer-contact a{display:block;margin-top:5px}}