/* ==========================================================================
   VRARVA – Common Chrome (detail pages)
   モデル詳細ページ共通の外枠スタイル。
   読み込み順: 1) vrarva-tokens.css → 2) vrarva-common.css → 3) 各ページ固有<style>
   ページ固有のセクション(ヒーロー/コンセプト/カラー/スペック等)は各HTMLに残す。
   必ず vrarva-tokens.css を先に読み込むこと（var(--xxx) を参照するため）。
   ========================================================================== */

/* ── RESET / BASE ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Helvetica Neue',Arial,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;background:var(--bg);color:#fff;font-size:17px;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}

/* ── CURSOR GLOW ── */
#cursor-glow{position:fixed;pointer-events:none;z-index:0;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.055) 0%,rgba(124,58,255,.028) 45%,transparent 70%);transform:translate(-50%,-50%);transition:left .18s ease,top .18s ease;mix-blend-mode:screen;top:-260px;left:-260px}

/* ── NAV ── */
#nav{position:fixed;top:0;left:0;right:0;z-index:200;transition:background .35s var(--ease),border-color .35s;border-bottom:1px solid transparent}
#nav.scrolled{background:rgba(9,9,15,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-color:var(--line)}
@media(min-width:641px){#nav:not(.scrolled){background:linear-gradient(180deg,rgba(9,9,15,.85) 0%,rgba(9,9,15,.45) 55%,rgba(9,9,15,0) 100%)}}
.nav-wrap{max-width:1200px;margin:0 auto;padding:0 40px;height:68px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-logo img{height:28px;filter:brightness(0) invert(1)}
.nav-logo-sep{width:1px;height:18px;background:var(--line)}
.nav-logo-by{font-size:10px;letter-spacing:.18em;color:var(--faint);text-transform:uppercase}
.nav-links{display:flex;align-items:center;margin:0 24px}
.nav-links a{padding:0 16px;font-size:14px;font-weight:700;letter-spacing:.04em;color:rgba(255,255,255,.72);transition:color .2s;display:flex;align-items:center;height:68px;white-space:nowrap}
.nav-links a:hover{color:var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.btn-nav{padding:11px 20px;font-size:13px;font-weight:700;letter-spacing:.06em;border-radius:var(--r);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .25s var(--ease);white-space:nowrap}
.btn-nav.ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-nav.ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(0,212,255,.1)}
.btn-nav.gold{background:rgba(201,168,76,.2);border:1px solid rgba(201,168,76,.6);color:#ecd494}
.btn-nav.gold:hover{background:var(--gold);color:#000}
.btn-nav.primary{background:var(--grad);color:#fff;border:none;box-shadow:0 4px 16px rgba(0,212,255,.28)}
.btn-nav.primary:hover{filter:brightness(1.12);transform:translateY(-1px);box-shadow:0 6px 22px rgba(0,212,255,.42)}
#nav-mobile-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;padding:4px;margin-left:auto}
#nav-mobile-btn span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:transform .3s ease,opacity .3s ease;transform-origin:center}
#nav-mobile-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#nav-mobile-btn.open span:nth-child(2){opacity:0}
#nav-mobile-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
#nav-mobile-menu{display:none;flex-direction:column;background:rgba(9,9,15,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);padding:16px 18px 24px;position:fixed;top:60px;left:0;right:0;z-index:199}
#nav-mobile-menu.open{display:flex}
#nav-mobile-menu a{padding:14px 0;font-size:15px;font-weight:600;color:rgba(255,255,255,.85);border-bottom:1px solid var(--line);display:block}
#nav-mobile-menu a:last-child{border-bottom:none}
.mob-cta-group{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.mob-btn{width:100%;padding:14px;border-radius:var(--r);font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;text-align:center;display:block}
.mob-btn.gold{background:var(--gold);color:#000}
.mob-btn.grad{background:var(--grad);color:#fff}
.mob-btn.outline{border:1px solid rgba(255,255,255,.28);color:#fff}

/* ── ラインナップ ドロップダウン（PC）── */
.nav-dd{position:relative;display:flex;align-items:center}
.nav-dd-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:210px;background:rgba(9,9,15,.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:10px;padding:8px;display:flex;flex-direction:column;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease);z-index:300;box-shadow:0 16px 40px rgba(0,0,0,.5)}
.nav-dd:hover .nav-dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-dd-menu a{height:auto;padding:10px 16px;font-size:13px;font-weight:600;border-radius:6px;color:rgba(255,255,255,.82);letter-spacing:.02em;white-space:nowrap}
.nav-dd-menu a:hover{background:rgba(0,212,255,.1);color:var(--cyan)}
.nav-dd-menu .ddh{font-size:9px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);padding:8px 16px 3px}
.nav-dd-menu .ddh:first-child{padding-top:4px}

/* ── ハンバーガー内 モデル一覧（モバイル）── */
.mob-h{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);padding:14px 0 6px;display:block;border-bottom:none}
.mob-models{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:6px}
#nav-mobile-menu .mob-models a{padding:12px 10px;font-size:13px;font-weight:700;border:1px solid var(--line);border-radius:8px;text-align:center;color:rgba(255,255,255,.88);background:rgba(255,255,255,.03)}
#nav-mobile-menu .mob-models a:hover{border-color:var(--cyan);color:var(--cyan)}

/* ── BUTTONS ── */
.btn-lg{padding:14px 32px;font-size:13px;font-weight:700;letter-spacing:.1em;border-radius:var(--r);cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .3s var(--ease);white-space:nowrap}
.btn-lg.primary{background:var(--grad);color:#fff;border:none}
.btn-lg.primary:hover{filter:brightness(1.1);transform:translateY(-2px);box-shadow:0 10px 36px rgba(0,212,255,.3)}
.btn-lg.gold-btn{background:var(--gold);color:#000;border:none;font-weight:800}
.btn-lg.gold-btn:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 10px 32px rgba(201,168,76,.35)}
.btn-lg.ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-lg.ghost:hover{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.06);transform:translateY(-2px)}

/* ── SECTION LABEL ── */
.sec-label{display:inline-flex;align-items:center;gap:10px;font-size:10px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.sec-label::before{content:'';width:24px;height:1px;background:var(--grad)}
.sec-title{font-size:clamp(26px,3.4vw,42px);font-weight:800;letter-spacing:-.02em;line-height:1.15}
.grad-text{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── SCROLL REVEAL ── */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
[data-reveal].show{opacity:1;transform:translateY(0)}
[data-reveal="left"]{transform:translateX(-28px)}
[data-reveal="left"].show{transform:translateX(0)}
[data-reveal="right"]{transform:translateX(28px)}
[data-reveal="right"].show{transform:translateX(0)}

/* ── MODEL NAV BAR ── */
.model-nav-bar{background:var(--bg2);border-bottom:1px solid var(--line);padding:0;position:sticky;top:68px;z-index:100}
.model-nav-inner{max-width:1200px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;height:58px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--faint)}
.breadcrumb a{color:var(--faint);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb-sep{color:rgba(255,255,255,.25);font-size:10px}
.breadcrumb-cur{color:var(--cyan);font-weight:600}
.model-tabs{display:flex;gap:2px}
.model-tab{padding:0 20px;height:58px;display:flex;align-items:center;font-size:14px;font-weight:700;letter-spacing:.04em;color:rgba(255,255,255,.72);cursor:pointer;transition:color .25s var(--ease),background .25s var(--ease);text-transform:uppercase;white-space:nowrap;position:relative}
.model-tab::after{content:'';position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad);transform:scaleX(0);transform-origin:center;transition:transform .28s var(--ease)}
.model-tab:hover{color:#fff;background:rgba(255,255,255,.05)}
.model-tab.active{color:var(--cyan);background:rgba(0,212,255,.07)}
.model-tab.active::after{transform:scaleX(1)}

/* ── CV STRIP ── */
.cv-strip{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0}
.cv-inner{max-width:1200px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cv-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:24px 28px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.025);cursor:pointer;transition:all .3s var(--ease);position:relative;overflow:hidden}
.cv-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity .3s}
.cv-card.c1::before{background:radial-gradient(ellipse at 30% 50%,rgba(0,212,255,.08) 0%,transparent 70%)}
.cv-card.c2::before{background:radial-gradient(ellipse at 30% 50%,rgba(201,168,76,.08) 0%,transparent 70%)}
.cv-card.c3::before{background:radial-gradient(ellipse at 30% 50%,rgba(61,219,160,.08) 0%,transparent 70%)}
.cv-card:hover::before{opacity:1}
.cv-card.c1:hover{border-color:rgba(0,212,255,.35);box-shadow:0 8px 32px rgba(0,0,0,.3);transform:translateY(-2px)}
.cv-card.c2:hover{border-color:rgba(201,168,76,.35);box-shadow:0 8px 32px rgba(0,0,0,.3);transform:translateY(-2px)}
.cv-card.c3:hover{border-color:rgba(61,219,160,.35);box-shadow:0 8px 32px rgba(0,0,0,.3);transform:translateY(-2px)}
.cv-ico{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cv-ico.i1{background:rgba(0,212,255,.12);border:1px solid rgba(0,212,255,.22)}
.cv-ico.i2{background:rgba(201,168,76,.12);border:1px solid rgba(201,168,76,.22)}
.cv-ico.i3{background:rgba(61,219,160,.12);border:1px solid rgba(61,219,160,.22)}
.cv-ttl{font-size:16px;font-weight:800;letter-spacing:-.01em;position:relative;z-index:1}
.cv-dsc{font-size:12px;color:var(--muted);line-height:1.6;position:relative;z-index:1}
.cv-arr{margin-top:4px;font-size:11px;font-weight:700;letter-spacing:.08em;display:flex;align-items:center;gap:4px;position:relative;z-index:1;transition:gap .2s}
.cv-card:hover .cv-arr{gap:8px}
.cv-arr.a1{color:var(--cyan)}.cv-arr.a2{color:var(--gold)}.cv-arr.a3{color:var(--green)}

/* ── FOOTER ── */
footer{background:#050509;border-top:1px solid var(--line);padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:240px 1fr 1fr;gap:48px;margin-bottom:48px}
.f-logo{height:24px;filter:brightness(0) invert(1);opacity:.75;margin-bottom:8px}
.f-by{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.f-blurb{font-size:13px;color:rgba(255,255,255,.52);line-height:1.9}
.f-col-ttl{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.f-links{list-style:none;display:flex;flex-direction:column;gap:12px}
.f-links a{font-size:14px;color:rgba(255,255,255,.65);transition:color .2s}
.f-links a:hover{color:#fff}
.f-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:rgba(255,255,255,.32)}
.f-bottom a{color:var(--gold)}

/* ══════ RESPONSIVE (chrome only) ══════ */
@media(max-width:900px){
  .wrap{padding:0 24px}
  .cv-inner{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .model-nav-inner{flex-direction:column;height:auto;padding:10px 24px;gap:10px;align-items:flex-start}
  .model-tabs{display:none}
}
@media(max-width:640px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .nav-links,.nav-actions{display:none}
  .nav-logo-sep,.nav-logo-by{display:none}
  .nav-logo img{height:24px}
  .nav-wrap{height:60px;padding:0 18px}
  #nav-mobile-btn{display:flex}
  .model-nav-bar{top:60px}
  .cv-inner{padding:0 18px;gap:12px}
  /* モバイルは縦積み：アイコン → 見出し → 説明(全幅) → 矢印。本文を窮屈にしない */
  .cv-card{display:grid;grid-template-columns:46px 1fr;column-gap:14px;row-gap:8px;padding:20px;align-items:center}
  .cv-ico{grid-column:1;grid-row:1;width:46px;height:46px}
  .cv-ttl{grid-column:2;grid-row:1;font-size:17px;font-weight:800;line-height:1.35}
  .cv-dsc{grid-column:1/-1;grid-row:2;font-size:13px;line-height:1.7}
  .cv-arr{grid-column:1/-1;grid-row:3;font-size:12px;white-space:nowrap}
  footer{padding:40px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid>div:first-child{grid-column:1}
  .f-bottom{flex-direction:column;gap:8px;text-align:center}
  [data-reveal]{transform:translateY(16px)}
  [data-reveal="left"],[data-reveal="right"]{transform:translateY(16px)}
  [data-reveal].show{transform:translateY(0)}
}