/* =============================================================
   YUE ENGINEERING — Top page styles
   ============================================================= */

/* ----- Base / design tokens ----- */
*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0b0f;--ink:#f4f6fa;--mut:#eef2f6;--acc:#2E9BFF;--acc2:#5DB7FF;--acc-d:#134E80;--card:#12151c;--line:#1c212c}
body{background:var(--bg);color:var(--ink);font-family:'Helvetica Neue',Arial,'Hiragino Kaku Gothic ProN','Hiragino Sans',Meiryo,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* scroll-reveal */
.rise{opacity:0;transform:translateY(24px);transition:opacity .8s,transform .8s}
.rise.in{opacity:1;transform:none}

/* ----- Header / desktop nav ----- */
header{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;gap:30px;padding:16px 28px;background:transparent;transition:background .3s,border-color .3s,padding .3s}
header.scrolled{background:rgba(10,11,15,.1);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);border-bottom:1px solid rgba(255,255,255,.07)}
header .logo img{height:27px;display:block}
.mainmenu{display:flex;gap:36px;align-items:center;position:absolute;left:50%;transform:translateX(-50%)}
.mainmenu>a,.has-sub>a{font-size:.96rem;font-weight:800;letter-spacing:.03em;color:#fff;text-shadow:0 0 2px rgba(0,0,0,.6);cursor:pointer;padding:8px 0;display:inline-block}
.mainmenu>a:hover,.has-sub>a:hover{color:var(--acc)}
.has-sub{position:relative}
.has-sub .sub{position:absolute;top:100%;left:-14px;background:#0f1219;border:1px solid var(--line);border-radius:10px;padding:8px;min-width:184px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;box-shadow:0 18px 40px rgba(0,0,0,.55)}
.has-sub:hover .sub{opacity:1;visibility:visible;transform:none}
.has-sub .sub a{display:block;padding:11px 14px;border-radius:7px;font-size:.88rem;color:#cfd6de}
.has-sub .sub a:hover{background:#1a2030;color:var(--acc)}
.has-sub .sub a small{display:block;color:#6b7684;font-size:.72rem;margin-top:2px}
.spacer{flex:1}
.contact-btn{display:inline-flex;align-items:center;gap:12px;background:rgba(19,78,128,.85);color:#fff;font-weight:800;font-size:.85rem;letter-spacing:.04em;padding:7px 8px 7px 22px;border-radius:50px;border:0;cursor:pointer;transition:background .25s,transform .2s}
.contact-btn .cc{width:24px;height:24px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.contact-btn .cc i{position:relative;top:-1px;color:var(--acc-d);font-style:normal;font-size:.92rem;font-weight:700;-webkit-text-stroke:.045em currentColor;line-height:1;transition:transform .25s}
.contact-btn:hover{background:#0E3A60}
.contact-btn:hover .cc i{transform:translateX(3px)}

/* side scroll dots */
.dots{position:fixed;left:26px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:16px;z-index:30}
.dots a{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.6);transition:.25s;box-shadow:0 0 4px rgba(0,0,0,.4)}
.dots a.active{width:13px;height:13px;border-radius:3px;background:#fff}

/* ----- Mobile nav (hamburger + drawer) ----- */
.navtoggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:none;border:0;cursor:pointer;padding:0;position:relative;z-index:60}
.navtoggle span{display:block;width:24px;height:2px;background:#fff;margin:0 auto;transition:.3s}
body.nav-open .navtoggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .navtoggle span:nth-child(2){opacity:0}
body.nav-open .navtoggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(82vw,340px);background:#0d1017;z-index:55;transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:84px 26px 30px;overflow-y:auto;border-left:1px solid var(--line)}
body.nav-open .drawer{transform:none}
body.nav-open header{z-index:60}
body.nav-open{overflow:hidden}
.drawer-ov{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:50;opacity:0;visibility:hidden;transition:.3s;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
body.nav-open .drawer-ov{opacity:1;visibility:visible}
.drawer a{color:#eef2f7;font-weight:700;font-size:1rem;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.07);cursor:pointer;transition:color .2s}
.drawer a:hover{color:var(--acc)}
.drawer .dgrp{display:flex;flex-direction:column;margin:4px 0}
.drawer .dh{font-size:.7rem;letter-spacing:.2em;color:var(--acc);font-weight:800;padding:14px 4px 2px}
.drawer .dgrp a{padding-left:14px;font-size:.94rem;font-weight:600}
.drawer .dcontact{margin-top:20px;background:var(--acc-d);color:#fff;border:0;border-radius:50px;text-align:center;padding:14px;font-weight:800;justify-content:center}

/* ----- Hero (slideshow) ----- */
.hero-wrap{position:relative}
.hero{position:relative;height:100vh;height:100svh;min-height:600px;display:flex;align-items:center;overflow:hidden;background:#0a0b0f}
.hero .scrim{position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(10,11,15,.5) 0%,rgba(10,11,15,.2) 38%,rgba(10,11,15,0) 60%),linear-gradient(to bottom,transparent 70%,#0a0b0f 100%)}
.eyebrow{font-size:.78rem;letter-spacing:.32em;color:var(--acc);font-weight:700;margin-bottom:24px}
.hero h1{font-size:clamp(2.4rem,6.5vw,5.2rem);font-weight:900;line-height:1.04}
.scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:var(--mut);font-size:.72rem;letter-spacing:.28em;font-weight:700;z-index:3}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;display:flex;align-items:center;pointer-events:none}
.slide.on{opacity:1;pointer-events:auto}
.sl-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.07);transition:transform 7s ease}
.slide.on .sl-bg{transform:scale(1)}
.sl-in{position:relative;z-index:3}
.sl-card{display:inline-block;max-width:100%}
.hl{display:inline;background:rgba(8,10,14,.55);-webkit-box-decoration-break:clone;box-decoration-break:clone;padding:.03em .18em}
.slide .eyebrow{font-size:.8rem;letter-spacing:.3em;color:var(--acc);font-weight:800;margin-bottom:22px}
.slide h1{font-size:clamp(2.6rem,6.4vw,5rem);font-weight:900;line-height:1.06;color:#fff;text-shadow:0 4px 26px rgba(0,0,0,.5)}
.slide h1 b{color:var(--acc2)}
.slide h1 .jp2{display:block;font-size:clamp(1.05rem,2.4vw,1.8rem);color:#fff;font-weight:900;margin-top:14px}
.slide .sub{color:#fff;max-width:480px;margin-top:22px;font-size:1.02rem;font-weight:700;text-shadow:0 2px 14px rgba(0,0,0,.75)}
.hero-ind{position:absolute;left:50%;transform:translateX(-50%);bottom:76px;z-index:6;display:flex;gap:12px}
.hero-ind button{width:40px;height:3px;background:rgba(255,255,255,.28);border:0;padding:0;cursor:pointer;transition:.2s}
.hero-ind button.on{background:var(--acc)}

/* hero news card */
.hero-news{position:absolute;right:24px;bottom:60px;z-index:6;width:340px;max-width:40vw;background:rgba(10,12,18,.42);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.4)}
.hero-news .hn-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.hero-news .hn-head .en{font-size:.72rem;letter-spacing:.26em;color:var(--acc);font-weight:800}
.hero-news .hn-head .ttl{font-size:.76rem;color:#fff;font-weight:700;margin-left:8px}
.hero-news .hn-all{font-size:.72rem;color:#c2ccd6;font-weight:700;cursor:pointer;transition:color .2s}
.hero-news .hn-all:hover{color:var(--acc)}
.hero-news a.hn-item{display:block;padding:9px 0;border-top:1px solid rgba(255,255,255,.1);cursor:pointer}
.hero-news a.hn-item:first-of-type{border-top:0}
.hero-news .hn-meta{display:flex;align-items:center;gap:9px;margin-bottom:3px}
.hero-news time{font-size:.72rem;color:var(--acc2);font-weight:700}
.hero-news .cat{font-size:.62rem;background:rgba(19,78,128,.85);color:#fff;padding:2px 8px;border-radius:4px;white-space:nowrap}
.hero-news .hn-t{font-size:.82rem;color:#fff;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.hero-news a.hn-item:hover .hn-t{color:var(--acc2)}

/* ----- Shared: circled arrow link ----- */
.alink{display:inline-flex;align-items:center;gap:14px;margin-top:18px;font-weight:900;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.75);cursor:pointer;width:max-content;transition:color .3s;background:none;border:0}
.alink .circ{width:30px;height:30px;border-radius:50%;border:1.4px solid var(--acc);display:flex;align-items:center;justify-content:center;position:relative;flex:none;transition:border-color .3s}
.alink .circ::before{content:"";position:absolute;inset:-1.4px;background:var(--acc);border-radius:50%;transform:scale(0);transition:transform .38s cubic-bezier(.4,0,.2,1)}
.alink .circ i{position:relative;top:-1px;z-index:2;color:var(--acc);font-style:normal;font-size:.95rem;font-weight:700;-webkit-text-stroke:.045em currentColor;line-height:1;transition:color .3s,transform .3s}
.alink:hover{color:var(--acc)}
.alink:hover .circ::before{transform:scale(1)}
.alink:hover .circ i{color:#0a0b0f;transform:translateX(3px)}

/* ----- Statement ----- */
.statement{padding:140px 0;text-align:center}
.statement .en{font-size:.78rem;letter-spacing:.32em;color:var(--acc);font-weight:700}
.statement p{font-size:clamp(1.3rem,3vw,2rem);font-weight:800;line-height:1.9;margin-top:30px}
.statement p .acc{color:var(--acc)}
.statement .lead2{color:#aeb8c4;font-weight:400;font-size:1.02rem;margin-top:26px;line-height:2;max-width:760px;margin-left:auto;margin-right:auto}
.st-row{display:flex;justify-content:center;gap:clamp(28px,6vw,72px);flex-wrap:wrap;margin:58px auto 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:38px 0;max-width:900px}
.st-row .n{font-size:clamp(1.7rem,4vw,2.8rem);font-weight:900;color:var(--acc);line-height:1}
.st-row .l{color:var(--mut);font-size:.85rem;margin-top:8px}

/* ----- Service (stacked panels) ----- */
.service-xl{padding:120px 0 0}
.svc-intro{text-align:center;max-width:1180px;margin:0 auto 56px;padding:0 24px}
.svc-intro .en{font-size:.78rem;letter-spacing:.32em;color:var(--acc);font-weight:700}
.svc-intro h2{font-size:clamp(1.8rem,4.4vw,3.2rem);font-weight:900;margin-top:10px}
.svc-intro p{color:var(--mut);margin-top:10px}
.panel2{position:relative;width:100%;min-height:52vh;overflow:hidden;display:block;border-top:1px solid #05060a}
.panel2 .pbg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .9s}
.panel2:hover .pbg{transform:scale(1.04)}
.panel2 .pov{position:absolute;inset:0;background:none}
.panel2 .pin{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:0 40px;min-height:52vh;display:flex;flex-direction:column;justify-content:center}
.pcat{display:inline-flex;align-items:center;gap:14px;margin-bottom:18px}
.pcat .bar{width:38px;height:3px;background:var(--acc)}
.pcat .num{color:var(--acc);font-weight:800;letter-spacing:.2em;font-size:.8rem}
.pcat .nm{font-weight:800;font-size:.9rem;letter-spacing:.08em;color:#fff;border:1px solid var(--acc-d);padding:5px 13px;border-radius:4px;background:rgba(19,78,128,.9)}
.panel2 h3{font-size:clamp(2.4rem,5.6vw,4.6rem);font-weight:900;line-height:1.04;text-shadow:0 4px 24px rgba(0,0,0,.55)}
.panel2 h3 b{color:var(--acc2);margin:0 6px}
.panel2 .psub{font-size:clamp(1rem,1.4vw,1.2rem);color:#e3e9f0;margin-top:16px;font-weight:600;text-shadow:0 2px 12px rgba(0,0,0,.5)}

/* ----- Racing ----- */
.rc-head{background:var(--bg);padding:110px 0 0}
.racing-xl{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden}
.rc-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 1s}
.racing-xl:hover .rc-bg{transform:scale(1.04)}
.rc-ov{position:absolute;inset:0;background:none}
.rc-in{position:relative;z-index:2;width:100%;padding:100px 24px}
.rc-in .en{font-size:.8rem;letter-spacing:.34em;color:var(--acc);font-weight:800}
.rc-in h2{font-size:clamp(2.2rem,5.6vw,4.4rem);font-weight:900;line-height:1.06;margin-top:14px;text-shadow:0 4px 26px rgba(0,0,0,.5)}
.rc-in>.lead{max-width:560px;color:#e3e9f0;margin-top:20px;font-size:1.06rem;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.rc-links{display:grid;grid-template-columns:repeat(3,210px);gap:14px;margin-top:46px}
.rc-card{background:rgba(19,78,128,.85);border:1px solid var(--acc-d);border-radius:11px;padding:13px 18px;position:relative;transition:.2s;cursor:pointer}
.rc-card:hover{background:#0E3A60;transform:translateY(-4px)}
.rc-card .t{font-weight:800;font-size:1rem;display:block}
.rc-card .d{color:rgba(255,255,255,.82);font-size:.78rem}
.rc-card i{position:absolute;right:14px;top:12px;width:19px;height:19px;border-radius:50%;background:#fff;color:#134E80;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:.8rem;font-weight:700;-webkit-text-stroke:.045em currentColor;transition:transform .2s}
.rc-card i::before{content:"\2192";position:relative;top:-1px;line-height:1}
.rc-card:hover i{transform:translateX(3px)}

/* ----- Products ----- */
.products-xl{width:100%}
.psplit{display:grid;grid-template-columns:1fr 1fr;min-height:80vh}
.pleft{background:#0c0e13;display:flex;flex-direction:column;justify-content:center;padding:80px clamp(40px,6vw,120px)}
.pleft .en{font-size:.78rem;letter-spacing:.32em;color:var(--acc);font-weight:700}
.pleft h2{font-size:clamp(2rem,4.2vw,3.4rem);font-weight:900;margin:12px 0 18px;line-height:1.1}
.pleft p{color:#f9fbfd;margin-bottom:30px;font-size:1.05rem;max-width:460px}
.pright{background:#0f1218 center/cover no-repeat;min-height:44vh}

/* ----- Works ----- */
.works-xl{padding:120px 0 110px;background:#0c0e13}
.wgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.wcell{position:relative;min-height:58vh;overflow:hidden;display:block}
.wcell .wbg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .8s}
.wcell:hover .wbg{transform:scale(1.06)}
.wcell .wov{position:absolute;inset:0;background:linear-gradient(to top,rgba(5,7,11,.92) 0%,rgba(5,7,11,.2) 55%,transparent 100%)}
.wcell .wcap{position:absolute;left:0;right:0;bottom:0;padding:30px 30px;z-index:2}
.wcell .wcap .t{font-size:.74rem;color:var(--acc);font-weight:800;letter-spacing:.06em}
.wcell .wcap h3{font-size:1.3rem;font-weight:800;margin:8px 0 4px;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.wcell .wcap p{color:#cdd5de;font-size:.9rem}

/* ----- Contact / CTA ----- */
.cta{padding:130px 0;text-align:center;background:radial-gradient(130% 120% at 50% 0%,rgba(22,32,58,.82) 0%,rgba(10,11,15,.93) 60%),url(../img/contact.jpg) center/cover no-repeat}
.cta .en{font-size:.78rem;letter-spacing:.32em;color:var(--acc);font-weight:700}
.cta h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;margin-top:10px}
.cta .tel{font-size:clamp(2rem,5vw,3rem);font-weight:900;color:var(--acc);margin:18px 0 6px}
.cta .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.btn{padding:15px 34px;border-radius:50px;font-weight:800;border:2px solid var(--acc);display:inline-block;margin-top:16px}
.btn.fill{display:inline-flex;align-items:center;gap:16px;background:rgba(19,78,128,.95);color:#fff;border-color:transparent;padding:12px 14px 12px 32px;font-size:clamp(.98rem,1.3vw,1.18rem);letter-spacing:.04em;line-height:1.2;transition:background .25s,transform .2s}
.btn.fill::after{content:"\2192";flex:none;width:40px;height:40px;border-radius:50%;background:#fff;color:var(--acc-d);display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;transition:transform .25s}
.btn.fill:hover{background:#0E3A60;transform:translateY(-1px)}
.btn.fill:hover::after{transform:translateX(3px)}
.btn.line{color:var(--acc)}

/* ----- Responsive ----- */
@media(max-width:1024px){
  header .logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
  .mainmenu{display:none}
  .dots{display:none}
  .contact-btn{display:none}
  .navtoggle{display:flex}
  .hero-news{position:static;right:auto;bottom:auto;width:auto;max-width:none;border:0;border-radius:0;background:#0f1219;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none;padding:20px 24px}
}
@media(max-width:768px){
  .statement,.cta{padding:80px 0}
  .psplit{grid-template-columns:1fr}
  .pright{min-height:52vh}
  .wgrid{grid-template-columns:1fr}
  .wcell{min-height:50vh}
  .rc-links{grid-template-columns:1fr}
  .panel2,.panel2 .pin{min-height:56vh}
}

/* ----- access (shared) ----- */
.info-list{list-style:none;margin-top:24px;border-top:1px solid var(--line)}
.info-list li{display:flex;gap:18px;padding:14px 2px;border-bottom:1px solid var(--line);font-size:.92rem}
.info-list .k{flex:none;min-width:96px;color:var(--acc);font-weight:800}
.info-list .v{color:#cdd5de}
.access{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}
.access .a-info{background:#0c0e13;padding:64px clamp(28px,5vw,80px);display:flex;flex-direction:column;justify-content:center}
.access .a-info h3{font-size:1.4rem;font-weight:900;margin-bottom:18px}
.access iframe{width:100%;height:100%;min-height:380px;border:0;display:block;filter:grayscale(.3) brightness(.9)}
@media(max-width:768px){.access{grid-template-columns:1fr}.access iframe{min-height:300px}}


/* WORKS YouTube風カード（共通） */
.wlist{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:1200px;margin:0 auto;padding:0 24px}
.wcard{display:block;text-decoration:none;color:inherit}
.wcard .thumb{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#1a1d25}
.wcard .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease}
.wcard:hover .thumb img{transform:scale(1.05)}
.wcard .wcat{display:inline-block;margin-top:12px;font-size:.72rem;letter-spacing:.06em;color:var(--acc)}
.wcard .wttl{margin:4px 0 0;font-size:1rem;line-height:1.45;color:var(--ink);font-weight:600}
@media(max-width:1000px){.wlist{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.wlist{grid-template-columns:1fr}}