/*
Theme Name: YUE ENGINEERING
Theme URI: https://www.yueracing.net/
Author: YUE ENGINEERING
Description: ミニバイク専門エンジニアリング YUE ENGINEERING の公式サイトテーマ。全日本GP3メカニックによるレース車両・一般車両の整備／チューニングを訴求するコーポレートテーマ。
Version: 1.1.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: yue
*/

/* ===========================================================
   Design tokens
   =========================================================== */
:root{
  --c-main:#2C3E50;      /* ダークグレー */
  --c-dark:#1a1a2e;      /* 背景濃色 */
  --c-accent:#F39C12;    /* オレンジ */
  --c-highlight:#F1C40F; /* イエロー */
  --c-sub:#34495E;       /* ティール寄りグレー */
  --c-beige:#F5E6D3;     /* 明色背景 */
  --c-text:#eee;
  --c-text-dark:#222;
  --c-muted:#9aa7b4;
  --maxw:1200px;
  --radius:12px;
  --shadow:0 8px 30px rgba(0,0,0,.25);
  --font: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  background:var(--c-dark);
  color:var(--c-text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:80px 0;}
.section--light{background:var(--c-beige);color:var(--c-text-dark);}
.section--main{background:var(--c-main);}
.text-center{text-align:center;}
.accent{color:var(--c-accent);}

.section-title{
  font-size:1.9rem;font-weight:800;margin-bottom:12px;letter-spacing:.04em;
}
.section-title .en{display:block;font-size:.85rem;color:var(--c-accent);letter-spacing:.2em;margin-bottom:6px;}
.section-lead{color:var(--c-muted);margin-bottom:40px;}
.section--light .section-lead{color:#5b6b7a;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:50px;font-weight:700;font-size:.98rem;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  cursor:pointer;border:2px solid transparent;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.btn--primary{background:var(--c-accent);color:var(--c-dark);}
.btn--ghost{background:transparent;color:var(--c-accent);border-color:var(--c-accent);}
.btn--light{background:#fff;color:var(--c-main);}
.btn--lg{padding:18px 40px;font-size:1.1rem;}

/* ===========================================================
   Header
   =========================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(26,26,46,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(243,156,18,.25);
}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.site-logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.25rem;letter-spacing:.05em;color:#fff;}
.site-logo b{color:var(--c-accent);}
.main-nav ul{display:flex;gap:26px;align-items:center;}
.main-nav a{font-size:.92rem;font-weight:600;color:#dfe6ee;position:relative;padding:6px 0;}
.main-nav a:hover,.main-nav .current-menu-item a{color:var(--c-accent);}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--c-accent);transition:width .2s;}
.main-nav a:hover::after,.main-nav .current-menu-item a::after{width:100%;}
.header-cta{display:inline-flex;align-items:center;gap:8px;background:var(--c-accent);color:var(--c-dark);font-weight:800;padding:10px 18px;border-radius:50px;font-size:.9rem;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{width:26px;height:3px;background:var(--c-accent);border-radius:3px;transition:.3s;}

/* ===========================================================
   Hero
   =========================================================== */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  background:linear-gradient(135deg,rgba(26,26,46,.85),rgba(44,62,80,.75)),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect width="60" height="60" fill="%231a1a2e"/><path d="M0 30h60M30 0v60" stroke="%2334495E" stroke-width="1"/></svg>');
  background-size:cover,60px;background-position:center;
  padding:120px 0 80px;overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,var(--c-dark),transparent 40%);pointer-events:none;}
.hero .container{position:relative;z-index:2;}
.hero .eyebrow{display:inline-block;background:rgba(243,156,18,.15);color:var(--c-accent);border:1px solid rgba(243,156,18,.4);padding:6px 16px;border-radius:50px;font-size:.85rem;font-weight:700;margin-bottom:22px;letter-spacing:.06em;}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.25;font-weight:900;margin-bottom:20px;}
.hero h1 .accent{color:var(--c-accent);}
.hero p.lead{font-size:1.15rem;color:#cfd8e2;max-width:620px;margin-bottom:36px;}
.hero .cta-row{display:flex;gap:16px;flex-wrap:wrap;}

/* page hero (下層) */
.page-hero{padding:140px 0 60px;background:linear-gradient(135deg,var(--c-main),var(--c-dark));border-bottom:4px solid var(--c-accent);}
.page-hero .en{color:var(--c-accent);letter-spacing:.25em;font-size:.9rem;font-weight:700;}
.page-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;margin:8px 0 12px;}
.page-hero p{color:var(--c-muted);max-width:680px;}
.breadcrumb{font-size:.8rem;color:var(--c-muted);margin-top:18px;}
.breadcrumb a:hover{color:var(--c-accent);}

/* ===========================================================
   Stats banner
   =========================================================== */
.stats{background:var(--c-accent);color:var(--c-dark);}
.stats .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:42px 0;text-align:center;}
.stats .num{font-size:2.4rem;font-weight:900;line-height:1;}
.stats .label{font-weight:700;margin-top:8px;font-size:.95rem;}

/* ===========================================================
   Cards / grids
   =========================================================== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}

.card{
  background:var(--c-main);border-radius:var(--radius);padding:32px 26px;
  border:1px solid rgba(255,255,255,.06);border-top:4px solid var(--c-accent);
  transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.card .ico{width:54px;height:54px;border-radius:12px;background:rgba(243,156,18,.15);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:18px;}
.card h3{font-size:1.2rem;color:var(--c-accent);margin-bottom:10px;}
.card p{color:#c4cdd6;font-size:.95rem;}
.card .price{margin-top:14px;font-weight:800;color:var(--c-highlight);}
.section--light .card{background:#fff;color:var(--c-text-dark);}
.section--light .card p{color:#56606b;}

/* split (user routing) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius);overflow:hidden;}
.split a{padding:60px 40px;display:flex;flex-direction:column;justify-content:center;min-height:320px;position:relative;transition:.25s;}
.split--3{grid-template-columns:repeat(3,1fr);}
.split .racing{background:linear-gradient(135deg,#34495E,#1a1a2e);}
.split .street{background:linear-gradient(135deg,#F39C12,#d6850a);color:var(--c-dark);}
.split .trade{background:linear-gradient(135deg,#2C3E50,#16213e);}
.split a:hover{filter:brightness(1.08);}
.split .svc-tag{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.04em;background:rgba(255,255,255,.18);padding:3px 12px;border-radius:50px;margin-bottom:10px;}
.split .en{font-size:.85rem;letter-spacing:.25em;opacity:.8;}
.split h3{font-size:1.8rem;font-weight:900;margin:6px 0 14px;}
.split .more{margin-top:20px;font-weight:800;}

/* news list */
.news-list{display:flex;flex-direction:column;gap:2px;}
.news-item{display:flex;gap:20px;align-items:center;padding:18px 20px;background:var(--c-main);border-radius:8px;transition:.2s;}
.news-item:hover{background:var(--c-sub);}
.news-item time{color:var(--c-accent);font-weight:700;font-size:.85rem;white-space:nowrap;}
.news-item .cat{font-size:.72rem;background:var(--c-sub);color:var(--c-highlight);padding:3px 10px;border-radius:4px;white-space:nowrap;}
.news-item .ttl{font-weight:600;}

/* works grid */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.work-card{background:var(--c-main);border-radius:var(--radius);overflow:hidden;transition:.2s;border:1px solid rgba(255,255,255,.06);}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.work-card .thumb{aspect-ratio:4/3;background:var(--c-sub);display:flex;align-items:center;justify-content:center;color:var(--c-muted);font-size:.9rem;}
.work-card .body{padding:20px;}
.work-card .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px;}
.work-card .tag{font-size:.72rem;background:rgba(243,156,18,.15);color:var(--c-accent);padding:3px 10px;border-radius:4px;}
.work-card h3{font-size:1.1rem;margin-bottom:6px;}
.work-card p{color:#c4cdd6;font-size:.9rem;}

/* timeline */
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--c-accent);}
.timeline .t-item{position:relative;padding:0 0 28px 18px;}
.timeline .t-item::before{content:"";position:absolute;left:-29px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--c-accent);border:3px solid var(--c-dark);}
.timeline .t-year{color:var(--c-accent);font-weight:800;}
.timeline .t-desc{color:#c4cdd6;}

/* table */
.price-table{width:100%;border-collapse:collapse;background:var(--c-main);border-radius:var(--radius);overflow:hidden;}
.price-table th,.price-table td{padding:16px;text-align:left;border-bottom:1px solid var(--c-sub);}
.price-table th{background:var(--c-sub);color:var(--c-accent);}
.price-table tr:last-child td{border-bottom:none;}
.price-table td.num{text-align:right;font-weight:800;color:var(--c-highlight);white-space:nowrap;}

/* FAQ accordion */
.faq-item{background:var(--c-main);border-radius:8px;margin-bottom:12px;overflow:hidden;}
.faq-q{width:100%;text-align:left;padding:18px 22px;background:none;border:0;color:var(--c-text);font-size:1rem;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:16px;}
.faq-q::after{content:"+";color:var(--c-accent);font-size:1.4rem;line-height:1;}
.faq-item.open .faq-q::after{content:"–";}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px;color:#c4cdd6;}
.faq-item.open .faq-a{max-height:400px;padding:0 22px 20px;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step;}
.step{background:var(--c-main);border-radius:var(--radius);padding:26px 18px;text-align:center;position:relative;border-top:4px solid var(--c-accent);}
.step .n{counter-increment:step;width:40px;height:40px;border-radius:50%;background:var(--c-accent);color:var(--c-dark);font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;}
.step .n::before{content:counter(step);}
.step h4{font-size:1rem;margin-bottom:6px;}
.step p{font-size:.85rem;color:#c4cdd6;}

/* check list */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.check-grid label{display:flex;gap:12px;align-items:center;background:var(--c-main);padding:14px 18px;border-radius:8px;cursor:pointer;transition:.15s;}
.check-grid label:hover{background:var(--c-sub);}
.check-grid input{width:18px;height:18px;accent-color:var(--c-accent);}

/* testimonials */
.testi{background:var(--c-main);border-radius:var(--radius);padding:28px;border-left:4px solid var(--c-accent);}
.testi p{color:#dfe6ee;font-style:italic;margin-bottom:14px;}
.testi .who{color:var(--c-accent);font-weight:700;font-size:.9rem;}

/* contact methods */
.contact-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cm{background:var(--c-main);border-radius:var(--radius);padding:32px 24px;text-align:center;border-top:4px solid var(--c-accent);}
.cm .ico{font-size:2rem;margin-bottom:12px;}
.cm h3{color:var(--c-accent);margin-bottom:8px;}
.cm .big{font-size:1.5rem;font-weight:900;}

/* forms */
.form-wrap{background:var(--c-main);border-radius:var(--radius);padding:36px;}
.form-row{margin-bottom:20px;}
.form-row label{display:block;font-weight:700;margin-bottom:8px;font-size:.92rem;}
.form-row label .req{color:var(--c-accent);font-size:.78rem;margin-left:6px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 16px;border-radius:8px;border:1px solid var(--c-sub);
  background:var(--c-dark);color:var(--c-text);font-size:1rem;font-family:inherit;
}
.form-row textarea{min-height:140px;resize:vertical;}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--c-accent),var(--c-highlight));color:var(--c-dark);text-align:center;}
.cta-band h2{font-size:2rem;font-weight:900;margin-bottom:10px;}
.cta-band .tel{font-size:2.6rem;font-weight:900;margin:14px 0;}
.cta-band .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:20px;}

/* models list */
.models{display:flex;flex-wrap:wrap;gap:12px;}
.models span{background:var(--c-main);border:1px solid var(--c-sub);padding:10px 20px;border-radius:50px;font-weight:600;}

/* ===========================================================
   Footer
   =========================================================== */
.site-footer{background:#13131f;padding:60px 0 30px;border-top:3px solid var(--c-accent);}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.site-footer h4{color:var(--c-accent);margin-bottom:16px;font-size:1rem;}
.site-footer a{color:#b6c0cb;font-size:.92rem;}
.site-footer a:hover{color:var(--c-accent);}
.site-footer .f-links li{margin-bottom:10px;}
.site-footer .f-brand b{color:var(--c-accent);}
.site-footer .f-info{color:#9aa7b4;font-size:.92rem;line-height:1.9;}
.copyright{text-align:center;color:#6b7787;font-size:.82rem;border-top:1px solid #262636;padding-top:24px;}

/* mobile fixed CTA bar */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:1100;background:var(--c-main);border-top:1px solid var(--c-sub);}
.mobile-cta a{flex:1;text-align:center;padding:12px 4px;font-size:.72rem;color:#dfe6ee;border-right:1px solid var(--c-sub);}
.mobile-cta a:last-child{border-right:none;}
.mobile-cta a span{display:block;font-size:1.3rem;margin-bottom:2px;}
.mobile-cta a.is-accent{background:var(--c-accent);color:var(--c-dark);font-weight:700;}

/* article */
.article{background:var(--c-main);border-radius:var(--radius);padding:40px;}
.article h1{font-size:1.8rem;margin-bottom:10px;}
.article .meta{color:var(--c-muted);font-size:.85rem;margin-bottom:24px;}
.article p{margin-bottom:16px;color:#dfe6ee;}
.article h2{color:var(--c-accent);margin:28px 0 12px;font-size:1.3rem;}

/* utilities */
.mt-s{margin-top:14px;}.mt-m{margin-top:28px;}.mt-l{margin-top:48px;}
.tags-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px;justify-content:center;}
.tag-pill{padding:8px 18px;border-radius:50px;border:1px solid var(--c-sub);font-size:.85rem;font-weight:600;color:#dfe6ee;transition:.15s;}
.tag-pill:hover,.tag-pill.active{background:var(--c-accent);color:var(--c-dark);border-color:var(--c-accent);}

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width:980px){
  .grid-3,.grid-4,.works-grid,.contact-methods{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .main-nav.open{display:block;position:absolute;top:72px;left:0;right:0;background:var(--c-dark);border-top:1px solid var(--c-sub);padding:20px;}
  .main-nav.open ul{flex-direction:column;gap:0;}
  .main-nav.open li{border-bottom:1px solid var(--c-sub);}
  .main-nav.open a{display:block;padding:14px 0;}
  .grid-3,.grid-2,.grid-4,.works-grid,.contact-methods,.split,.check-grid{grid-template-columns:1fr;}
  .stats .grid{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:1fr;}
  .mobile-cta{display:flex;}
  body{padding-bottom:62px;}
  .article{padding:24px;}
}