/* ==============================================
   3tive.design | Common Styles
   ============================================== */
:root{
  --side:229px;
  --yellow:#dfc41f;
  --blue:#1a9de2;
  --black:#050505;
  --max:1120px;
  --jp:'Noto Sans JP',-apple-system,'Yu Gothic Medium',Meiryo,sans-serif;
  --en:'Bebas Neue',sans-serif;
  --r:20px;
  --sc:.3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--jp);color:#111;background:#fff;line-height:1.75;letter-spacing:.03em;overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}

/* ===== SIDEBAR ===== */
.side{position:fixed;left:0;top:0;bottom:0;width:var(--side);z-index:70;background:rgba(5,5,5,.92);backdrop-filter:blur(10px);border-right:1px solid rgba(255,255,255,.07);box-shadow:4px 0 24px rgba(0,0,0,.32);display:flex;flex-direction:column;}
.side-logo{height:120px;display:flex;align-items:center;justify-content:center;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.09);flex-shrink:0;}
.side-logo img{width:190px;height:auto;max-height:80px;object-fit:contain;mix-blend-mode:screen;}
.side-nav{flex:1;overflow-y:auto;padding:4px 0;
  /* 既定の明るく太いスクロールバーはサイドバーの配色から浮くため、細く目立たない見た目にする */
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.16) transparent;}
.side-nav::-webkit-scrollbar{width:5px;height:5px;}
.side-nav::-webkit-scrollbar-track{background:transparent;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px;}
.side-nav::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.32);}
.side-nav::-webkit-scrollbar-button{display:none;width:0;height:0;}
.side-nav a{display:flex;align-items:center;min-height:53px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.055);font-size:16.5px;font-weight:900;letter-spacing:.06em;color:rgba(255,255,255,.78);transition:var(--sc);position:relative;}
.side-nav a::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--yellow);transform:scaleY(0);transition:transform .2s ease;}
.side-nav a:hover,.side-nav a.active{background:rgba(255,255,255,.06);color:#fff;}
.side-nav a:hover::before,.side-nav a.active::before{transform:scaleY(1);}
/* 補足付きの項目（例: 1TAKEリクルート（採用動画））が1行に収まるよう字送りを詰める */
.side-nav .sub{font-size:12.5px;padding-left:20px;padding-right:10px;letter-spacing:.01em;color:rgba(255,255,255,.48);min-height:43px;}
.side-nav-parent{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:53px;padding:0 20px;border:none;background:none;font:inherit;text-align:left;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.055);font-size:16.5px;font-weight:900;letter-spacing:.06em;color:rgba(255,255,255,.78);transition:var(--sc);position:relative;}
.side-nav-parent::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--yellow);transform:scaleY(0);transition:transform .2s ease;}
.side-nav-parent:hover,.side-nav-parent.active{background:rgba(255,255,255,.06);color:#fff;}
.side-nav-parent:hover::before,.side-nav-parent.active::before{transform:scaleY(1);}
.side-nav-caret{font-size:11px;color:rgba(255,255,255,.4);transition:transform .25s ease;flex-shrink:0;}
.side-nav-group.open .side-nav-caret{transform:rotate(180deg);}
.side-nav-sub{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.side-nav-group.open .side-nav-sub{max-height:260px;}
.side-bottom{padding:12px;border-top:1px solid rgba(255,255,255,.08);flex-shrink:0;}
.side-mail{display:flex;align-items:center;justify-content:center;gap:5px;width:100%;padding:10px;border-radius:7px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.58);font-size:12px;font-weight:700;transition:var(--sc);margin-bottom:9px;}
.side-mail:hover{background:rgba(255,255,255,.11);color:#fff;}
.side-cta{display:flex;align-items:center;justify-content:center;width:100%;padding:11px;border-radius:999px;background:var(--yellow);color:#111;font-weight:900;font-size:14px;box-shadow:0 5px 14px rgba(223,196,31,.3);transition:var(--sc);}
.side-cta:hover{background:#c9ae0e;transform:translateY(-1px);}
.hamburger{display:none;position:fixed;right:13px;top:10px;z-index:90;width:44px;height:42px;border:1.5px solid rgba(255,255,255,.28);border-radius:10px;background:rgba(5,5,5,.78);color:#fff;font-size:20px;cursor:pointer;align-items:center;justify-content:center;backdrop-filter:blur(6px);}

/* ===== PAGE ===== */
.page{margin-left:var(--side);}

/* ===== SUBPAGE HERO ===== */
.sp-hero{background:#050505;padding:80px 0 120px;position:relative;overflow:hidden;}
.sp-hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);background-size:80px 80px;}
.sp-hero-in{position:relative;z-index:1;}
.sp-breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:22px;font-size:.72rem;font-weight:700;color:rgba(255,255,255,.38);}
.sp-breadcrumb a{color:rgba(255,255,255,.38);transition:color .2s;}
.sp-breadcrumb a:hover{color:var(--yellow);}
.sp-breadcrumb span{color:rgba(255,255,255,.18);}
.sp-hero-en{font-family:var(--en);font-size:.72rem;letter-spacing:5px;color:var(--yellow);display:block;margin-bottom:10px;}
.sp-hero h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:900;line-height:1.2;color:#fff;margin-bottom:14px;}
.sp-hero-lead{font-size:clamp(.9rem,1.4vw,1.05rem);font-weight:700;color:rgba(255,255,255,.68);max-width:680px;line-height:1.88;}
.sp-hero-badge{display:inline-flex;align-items:center;background:var(--yellow);color:#050505;font-weight:900;font-size:.72rem;letter-spacing:.14em;padding:4px 14px;border-radius:999px;margin-bottom:18px;}

/* ===== HERO ACCENT (赤アンダーライン＋ウォーターマーク) ===== */
.sp-hero.hero-accent{
  background:
    radial-gradient(circle at 14% 12%, rgba(230,0,18,.32), transparent 26%),
    #050505;
}
.sp-hero.hero-accent::after{
  content: attr(data-watermark);
  position:absolute;right:-14px;bottom:100px;
  font-size:clamp(46px,10vw,104px);line-height:1;font-weight:950;letter-spacing:.06em;
  color:rgba(255,255,255,.05);pointer-events:none;white-space:nowrap;z-index:8;
}
.hero-kicker{
  position:relative;z-index:1;display:inline-flex;align-items:center;gap:10px;
  margin-bottom:16px;padding:7px 12px;border:1px solid rgba(255,255,255,.22);
  border-radius:999px;background:rgba(0,0,0,.35);color:rgba(255,255,255,.92);
  font-size:.72rem;font-weight:950;letter-spacing:.12em;
}
.hero-kicker::before{content:"";width:22px;height:4px;border-radius:99px;background:#e60012;flex-shrink:0;}
.sp-hero.hero-accent h1{position:relative;z-index:1;}
.sp-hero.hero-accent h1 strong{
  color:#fff;font-weight:900;
  background-image:linear-gradient(transparent 66%, rgba(230,0,18,.82) 66%);
  background-repeat:no-repeat;
  background-size:0% 100%;
  animation:heroUnderlineGrow .9s cubic-bezier(.16,.84,.44,1) .5s forwards;
}
@keyframes heroUnderlineGrow{
  to{background-size:100% 100%;}
}
.sp-hero.hero-accent .sp-hero-lead{position:relative;z-index:1;}

/* ===== SECTION COMMON ===== */
.sec{position:relative;padding:96px 0;}
.sec-in{position:relative;z-index:2;}
.eyebrow{font-family:var(--en);font-size:.74rem;letter-spacing:5px;color:var(--yellow);display:block;margin-bottom:10px;}
.sec-title{font-size:clamp(1.8rem,3.6vw,3rem);font-weight:900;line-height:1.22;margin-bottom:12px;}
.sec-lead{font-size:clamp(.92rem,1.45vw,1.08rem);font-weight:700;line-height:1.88;margin-bottom:50px;}
.mfg-label{display:inline-flex;align-items:center;gap:.5em;padding:5px 12px;border:1.5px solid currentColor;border-radius:999px;font-size:.68rem;font-weight:900;letter-spacing:.12em;margin:0 5px 9px 0;opacity:.42;}
.mfg-label::before{content:"⚙";font-size:1em;}
.gear-wm{position:absolute;right:5%;top:75px;width:190px;opacity:.036;z-index:0;pointer-events:none;animation:spin 42s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-width:190px;min-height:50px;padding:10px 24px;border-radius:999px;background:var(--yellow);color:#111;font-weight:900;font-size:.92rem;border:2px solid rgba(17,17,17,.14);box-shadow:0 10px 22px rgba(0,0,0,.16);transition:var(--sc);}
.btn:hover{opacity:.88;transform:translateY(-2px);}
.btn.ol{background:transparent;border:2px solid currentColor;box-shadow:none;}
.btn.bl{background:var(--blue);border-color:var(--blue);color:#fff;}
.btn.bk{background:#111;border-color:#111;color:#fff;}
.sec-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:13px;margin-top:44px;}

/* ===== GEAR DIVIDERS ===== */
.gear-sec{padding-top:140px!important;overflow:visible!important;}
.gear-cut{position:absolute;left:0;right:0;top:-80px;height:160px;z-index:6;pointer-events:none;}
.gear-cut::before{content:"";position:absolute;left:0;right:0;top:0;height:160px;background:var(--sbg,#fff);-webkit-mask-image:url("/img/wix/gear-divider.svg");mask-image:url("/img/wix/gear-divider.svg");-webkit-mask-repeat:repeat-x;mask-repeat:repeat-x;-webkit-mask-size:auto 160px;mask-size:auto 160px;-webkit-mask-position:center top;mask-position:center top;}
.gear-cut::after{content:"";position:absolute;left:0;right:0;top:74px;height:100px;background:var(--sbg,#fff);}
.dark{--sbg:#1a1a1a;}
.mid{--sbg:#111;}

/* ===== REVEAL ===== */
.rv{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease;}
.rv.visible{opacity:1;transform:none;}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}

/* ===== FOOTER ===== */
.footer{background:#050505;color:#fff;}
.footer-cta{padding:76px 0;text-align:center;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-cta-lead{font-family:var(--en);font-size:.72rem;letter-spacing:5px;color:var(--yellow);margin-bottom:14px;}
.footer-cta h2{font-size:clamp(1.5rem,3.2vw,2.7rem);font-weight:900;line-height:1.42;margin-bottom:28px;color:#fff;}
.footer-main{width:min(var(--max),calc(100% - 64px));margin:auto;padding:50px 0 36px;display:grid;grid-template-columns:1.15fr 1fr;gap:46px;}
.f-logo{width:220px;height:auto;object-fit:contain;margin-bottom:15px;}
.f-tagline{font-size:.84rem;font-weight:700;color:rgba(255,255,255,.4);line-height:1.82;margin-bottom:16px;}
.f-mail{font-size:.9rem;font-weight:700;color:rgba(255,255,255,.5);transition:var(--sc);margin-bottom:12px;display:inline-block;}
.f-mail:hover{color:#fff;}
.f-subs{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px;}
.f-sub{padding:5px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.12);font-size:.72rem;font-weight:900;color:rgba(255,255,255,.5);transition:var(--sc);}
.f-sub:hover{border-color:var(--yellow);color:var(--yellow);}
.f-nav-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;align-content:start;}
.f-banner{display:block;grid-column:1/-1;justify-self:end;width:100%;max-width:340px;margin-top:26px;border-radius:10px;overflow:hidden;border:3px solid rgba(255,255,255,.38);box-shadow:0 6px 20px rgba(0,0,0,.38);transition:var(--sc);}
.f-banner:hover{transform:translateY(-3px);border-color:var(--yellow);box-shadow:0 12px 32px rgba(0,0,0,.52);}
.f-banner img{width:100%;height:auto;display:block;}
.f-nav-col h4{font-family:var(--en);font-size:.64rem;letter-spacing:4px;color:rgba(255,255,255,.2);margin-bottom:13px;}
.f-nav-col ul{display:flex;flex-direction:column;gap:8px;}
.f-nav-col ul li a{font-size:.84rem;font-weight:700;color:rgba(255,255,255,.56);transition:var(--sc);display:flex;align-items:center;gap:7px;}
.f-nav-col ul li a::before{content:"›";color:var(--yellow);font-size:1rem;}
.f-nav-col ul li a:hover{color:#fff;}
.footer-copy{padding:16px 0;border-top:1px solid rgba(255,255,255,.06);text-align:center;font-size:.7rem;color:rgba(255,255,255,.22);}
.footer-copy .wrap{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:4px 18px;}
.footer-copy a{color:rgba(255,255,255,.34);transition:var(--sc);}
.footer-copy a:hover{color:rgba(255,255,255,.72);text-decoration:underline;}

/* ===== PAGE LOADER ===== */
/* JS が動かなくても 5秒で必ず消えるよう、CSS アニメーションを保険にしている */
.pl{position:fixed;inset:0;z-index:9999;background:#050505;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;animation:plHide .5s 5s forwards;}
.pl.done{animation:plHide .45s forwards;}
.pl-gear{width:72px;height:72px;display:block;animation:plSpin 3.4s linear infinite;}
.pl-txt{font-family:var(--en);font-size:.88rem;letter-spacing:.42em;text-indent:.42em;color:rgba(255,255,255,.46);}
.pl-bar{width:132px;height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden;}
.pl-bar i{display:block;width:38%;height:100%;background:var(--yellow);border-radius:2px;animation:plSlide 1.15s ease-in-out infinite;}
@keyframes plSpin{to{transform:rotate(360deg);}}
@keyframes plSlide{0%{transform:translateX(-110%);}100%{transform:translateX(370%);}}
@keyframes plHide{to{opacity:0;visibility:hidden;}}
@media(prefers-reduced-motion:reduce){.pl-gear,.pl-bar i{animation:none;}}

/* ===== MOBILE CTA ===== */
.mob-cta{display:none;}

/* ===== MEDIA QUERIES ===== */
@media(max-width:768px){
  .page{margin-left:0;padding-top:64px;}
  .side{flex-direction:row;width:100%;height:64px;bottom:auto;overflow:hidden;border-right:none;border-bottom:1px solid rgba(255,255,255,.08);}
  .side-logo{width:168px;height:64px;border-bottom:none;border-right:1px solid rgba(255,255,255,.09);flex-shrink:0;padding:10px 12px;}
  .side-logo img{width:138px;max-height:46px;}
  .side-nav{display:flex;overflow-x:auto;flex-direction:row;height:64px;flex:1;}
  .side-nav a{min-height:64px;min-width:max-content;padding:0 14px;font-size:13px;}
  .side-nav .sub{padding-left:14px;}
  .side-nav-parent{min-height:64px;padding:0 14px;font-size:13px;}
  .side:not(.open) .side-nav-group{display:contents;}
  .side:not(.open) .side-nav-sub{display:contents;}
  .side:not(.open) .side-nav-parent{display:none;}
  .side-bottom{display:none;}
  .side.open{flex-direction:column;height:auto;max-height:92vh;overflow-y:auto;}
  .side.open .side-logo{width:100%;border-right:none;border-bottom:1px solid rgba(255,255,255,.08);}
  .side.open .side-nav{flex-direction:column;overflow:visible;height:auto;}
  .side.open .side-nav a{min-width:100%;}
  .side.open .side-nav-parent{min-width:100%;}
  .side.open .side-nav-group.open .side-nav-sub{max-height:400px;}
  .hamburger{display:flex;}
  .sp-hero{padding:56px 0 44px;}
  .footer-main{grid-template-columns:1fr;}
  .f-nav-cols{grid-template-columns:1fr;}
  .f-banner{justify-self:start;margin-top:20px;}
  .mob-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;background:rgba(5,5,5,.92);padding:10px 13px calc(10px + env(safe-area-inset-bottom));gap:10px;backdrop-filter:blur(8px);}
  .mob-cta a{flex:1;min-height:46px;border-radius:999px;border:2px solid #fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.85rem;color:#fff;}
  .mob-cta .m{background:var(--yellow);color:#111;border-color:#111;}
  .mob-cta .s{background:var(--blue);}
  body{padding-bottom:70px;}
}
/* --- スマホ（〜560px）---
   見出しの最小サイズが大きすぎて本文幅に収まらず、
   意図した改行の末尾1〜2文字だけが次行に落ちていたため調整する。 */
@media(max-width:560px){
  .btn{width:100%;}

  /* 左右余白を詰めて1行に入る文字数を増やす */
  .wrap{width:calc(100% - 40px);}

  /* 見出し・本文の文字サイズ */
  .sp-hero h1{font-size:1.6rem;line-height:1.36;}
  .sp-hero-lead{font-size:.86rem;line-height:1.8;}
  .sp-hero-badge{font-size:.68rem;}
  .sec-title{font-size:1.45rem;line-height:1.4;}
  .sec-lead{font-size:.86rem;line-height:1.85;margin-bottom:34px;}

  /* 歯車の切り欠きに本文が潜り込まないよう下余白を確保 */
  .sp-hero{padding:48px 0 84px;}

  /* 記事本文 */
  .ca-body{font-size:.9rem;}
  .ca-cta-banner{padding:26px 20px;}
}

/* --- 歯車の区切り装飾（スマホでは縮める）---
   PC用の高さ160pxのままだと、上のセクションの文章に大きくかぶってしまう。 */
@media(max-width:768px){
  .gear-sec{padding-top:110px!important;}
  .gear-cut{top:-54px;height:108px;}
  .gear-cut::before{height:108px;-webkit-mask-size:auto 108px;mask-size:auto 108px;}
  .gear-cut::after{top:50px;height:66px;}
}