/* ============================================================
   UNDERDOGS — business.css（BUSINESSページ / v2.4 下層リッチ化第3弾）
   共通の演出プリミティブ（rv / sec-head / split / ab-point / ab-faces）は
   about.css を共用。ここはBUSINESSページ固有のみ。
   style.css → about.css → business.css → chrome.css の順で読み込む。
   ============================================================ */

.bz-hero[id],.bz-interview[id],.bz-sponsor[id],.bz-web[id],.bz-contact[id]{scroll-margin-top:calc(var(--head-h) + 14px)}

/* ============================================================
   HERO
   ============================================================ */
.bz-hero{position:relative;min-height:min(88svh,860px);display:flex;align-items:flex-end;
  background:var(--ink);color:#fff;overflow:hidden;padding-bottom:clamp(44px,6vh,80px)}
.bz-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;opacity:.45;will-change:transform}
.bz-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(0,0,0,.22) 0%,rgba(0,0,0,.08) 40%,rgba(0,0,0,.85) 100%)}
.bz-hero__in{position:relative;z-index:2;width:min(1280px,92vw);margin-inline:auto;padding-top:calc(var(--head-h) + 40px)}
.bz-hero__crumb{font-family:var(--f-label);font-size:11px;letter-spacing:.22em;opacity:.75;margin-bottom:clamp(18px,3vh,30px)}
.bz-hero__crumb a:hover{color:var(--accent)}
.bz-hero__eyebrow{font-family:var(--f-label);font-size:12px;letter-spacing:.34em;color:var(--accent);margin-bottom:14px}
.bz-hero__eng{font-family:var(--f-display);font-size:clamp(64px,13vw,190px);line-height:.92;letter-spacing:.01em}
.bz-hero__jp{margin-top:18px;font-family:var(--f-min);font-weight:800;font-size:clamp(18px,2.4vw,30px);letter-spacing:.08em}
.bz-hero__lead{margin-top:clamp(14px,2.2vh,24px);font-size:clamp(13.5px,1.35vw,15.5px);line-height:2.2;color:rgba(255,255,255,.88)}
.bz-hero__no{position:absolute;right:clamp(64px,7vw,120px);top:calc(var(--head-h) + 2vh);z-index:2;
  font-family:var(--f-display);font-size:clamp(80px,13vw,190px);line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(255,255,255,.22);pointer-events:none;user-select:none}
@media(max-width:960px){.bz-hero__no{display:none}}
/* セクションへのクイックナビ */
.bz-hero__nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:clamp(24px,3.4vh,36px)}
.bz-hero__nav a{display:inline-flex;align-items:baseline;gap:10px;border:1px solid rgba(255,255,255,.4);
  padding:12px 20px;font-size:12.5px;font-weight:700;letter-spacing:.06em;transition:.35s var(--ease);border-radius:999px}
.bz-hero__nav a .no{font-family:var(--f-label);font-size:10px;letter-spacing:.2em;color:var(--accent)}
.bz-hero__nav a:hover{background:#fff;color:var(--ink);border-color:#fff}
.bz-hero__nav a:hover .no{color:var(--accent)}

/* ============================================================
   共通：ミニCTA行
   ============================================================ */
.bz-cta-row{display:flex;justify-content:center;margin-top:clamp(34px,4.4vw,56px)}
.bz-cta-row a{display:inline-flex;align-items:center;gap:14px;background:var(--accent);color:#fff;
  font-weight:900;font-size:clamp(14px,1.5vw,16px);letter-spacing:.08em;padding:16px 38px;border-radius:999px;
  box-shadow:0 14px 36px rgba(226,60,27,.35);transition:.35s var(--ease)}
.bz-cta-row a:hover{transform:translateY(-3px);box-shadow:0 22px 50px rgba(226,60,27,.45)}
.bz-cta-row a .arr{font-family:var(--f-label);transition:transform .35s var(--ease)}
.bz-cta-row a:hover .arr{transform:translateX(5px)}

/* ============================================================
   INTERVIEW (#interview)
   ============================================================ */
.bz-interview{position:relative;padding:clamp(80px,10vw,150px) 0;overflow:clip}
.bz-interview__ghost{position:absolute;top:clamp(6px,1.2vw,22px);right:clamp(6px,1.4vw,26px);font-family:var(--f-min);font-weight:800;
  font-size:clamp(140px,22vw,320px);line-height:1.06;color:rgba(12,12,12,.04);pointer-events:none;user-select:none}
.bz-lead{font-size:clamp(13.5px,1.35vw,15px);line-height:2.3;color:var(--ink-soft);margin-bottom:clamp(40px,5.5vw,70px)}
.bz-lead strong{color:var(--ink);background:linear-gradient(transparent 70%,rgba(226,60,27,.25) 70%)}
.bz-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.6vw,20px)}
@media(max-width:1080px){.bz-svc{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.bz-svc{grid-template-columns:1fr}}
.bz-svc__card{position:relative;background:var(--paper);border:1px solid var(--line);
  padding:clamp(24px,2.6vw,34px) clamp(18px,2vw,26px);overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.bz-svc__card:hover{transform:translateY(-8px);box-shadow:0 24px 50px rgba(0,0,0,.1)}
.bz-svc__card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--accent);
  transform:scaleX(0);transform-origin:0 50%;transition:transform .5s var(--ease)}
.bz-svc__card:hover::before{transform:scaleX(1)}
.bz-svc__no{font-family:var(--f-display);font-size:clamp(34px,3.6vw,48px);line-height:1;
  color:transparent;-webkit-text-stroke:1.2px var(--accent)}
.bz-svc__card h3{margin-top:14px;font-size:clamp(15.5px,1.6vw,18px);font-weight:900;line-height:1.6;letter-spacing:.02em}
.bz-svc__card h3 .en{display:block;margin-top:5px;font-family:var(--f-label);font-weight:600;font-size:10px;letter-spacing:.22em;color:var(--muted)}
.bz-svc__card p{margin-top:12px;font-size:12.5px;font-weight:500;line-height:2.05;color:var(--ink-soft)}
.bz-svc__card ul{margin-top:12px;border-top:1px solid var(--line)}
.bz-svc__card li{display:flex;align-items:baseline;gap:10px;padding:9px 2px;border-bottom:1px solid var(--line);
  font-size:12px;font-weight:500;line-height:1.8}
.bz-svc__card li::before{content:"✓";flex:0 0 auto;font-family:var(--f-label);font-weight:700;color:var(--accent)}
.bz-svc__ghost{position:absolute;z-index:0;right:clamp(10px,1.2vw,16px);bottom:clamp(6px,.9vw,12px);
  font-family:var(--f-display);font-size:clamp(54px,5.6vw,78px);line-height:.8;color:rgba(12,12,12,.045);pointer-events:none;user-select:none}
.bz-svc__no,.bz-svc__card h3,.bz-svc__card p,.bz-svc__card ul{position:relative;z-index:1}

/* ============================================================
   SPONSOR (#sponsor) — ダーク帯
   ============================================================ */
.bz-sponsor{position:relative;background:var(--ink);color:#fff;padding:clamp(80px,10vw,150px) 0;overflow:hidden}
.bz-sponsor__bgword{position:absolute;top:6px;left:0;white-space:nowrap;font-family:var(--f-display);
  font-size:clamp(80px,13vw,190px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.06);pointer-events:none}
.bz-sponsor .sec-head__eng,.bz-sponsor .sec-head__jp{color:#fff}
.bz-sponsor .sec-head__side{color:rgba(255,255,255,.5)}
.bz-sponsor .bz-lead{color:rgba(255,255,255,.85)}
.bz-sponsor .bz-lead strong{color:#fff;background:linear-gradient(transparent 70%,rgba(226,60,27,.45) 70%)}
.bz-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.8vw,24px);align-items:stretch}
@media(max-width:960px){.bz-tiers{grid-template-columns:1fr}}
.bz-tier{position:relative;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);
  padding:clamp(26px,3vw,40px) clamp(20px,2.4vw,32px);overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.bz-tier:hover{transform:translateY(-8px);box-shadow:0 26px 56px rgba(0,0,0,.35)}
.bz-tier--feature{border:2px solid var(--accent);box-shadow:0 24px 60px rgba(226,60,27,.28)}
.bz-tier__badge{position:absolute;top:0;right:0;background:var(--accent);color:#fff;
  font-family:var(--f-label);font-size:11px;letter-spacing:.2em;font-weight:700;padding:9px 16px}
.bz-tier__rank{font-family:var(--f-label);font-size:10px;letter-spacing:.3em;color:var(--muted)}
.bz-tier__name{margin-top:10px;font-family:var(--f-display);font-size:clamp(26px,2.8vw,36px);letter-spacing:.03em;line-height:1}
.bz-tier--feature .bz-tier__name{color:var(--accent)}
.bz-tier__jp{margin-top:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted)}
.bz-tier ul{margin-top:18px;border-top:1px solid var(--line);margin-bottom:clamp(18px,2.4vw,26px)}
.bz-tier li{display:flex;align-items:baseline;gap:12px;padding:11px 2px;border-bottom:1px solid var(--line);
  font-size:12.5px;font-weight:500;line-height:1.85}
.bz-tier li::before{content:"✓";flex:0 0 auto;font-family:var(--f-label);font-weight:700;color:var(--accent)}
.bz-tier__btn{margin-top:auto;display:inline-flex;align-items:center;justify-content:center;gap:12px;
  font-weight:900;font-size:13.5px;letter-spacing:.08em;padding:14px 20px;border:1px solid var(--ink);transition:.35s var(--ease)}
.bz-tier__btn:hover{background:var(--ink);color:#fff}
.bz-tier__btn--accent{background:var(--accent);border-color:var(--accent);color:#fff}
.bz-tier__btn--accent:hover{background:var(--accent-dk);border-color:var(--accent-dk);color:#fff}
.bz-sponsor__note{margin-top:clamp(20px,2.6vw,30px);font-size:12px;line-height:2;color:rgba(255,255,255,.6)}

/* ============================================================
   WEB & SNS (#web)
   ============================================================ */
.bz-web{position:relative;padding:clamp(80px,10vw,150px) 0;overflow:clip;background:var(--bg-soft)}
.bz-web__ghost{position:absolute;top:clamp(6px,1.2vw,22px);left:clamp(6px,1.4vw,26px);font-family:var(--f-min);font-weight:800;
  font-size:clamp(140px,22vw,320px);line-height:1.06;color:rgba(12,12,12,.04);pointer-events:none;user-select:none}
/* WEB制作LPへの大型バナー */
.bz-webcta{position:relative;display:block;margin-top:clamp(34px,4.4vw,56px);background:var(--ink);color:#fff;
  overflow:hidden;padding:clamp(34px,4.6vw,64px) clamp(24px,3.6vw,56px)}
.bz-webcta__word{position:absolute;top:50%;right:clamp(10px,1.6vw,24px);transform:translateY(-50%);white-space:nowrap;
  font-family:var(--f-display);font-size:clamp(30px,7vw,120px);line-height:1.08;color:transparent;
  -webkit-text-stroke:1px rgba(255,255,255,.14);transition:.5s var(--ease);pointer-events:none}
.bz-webcta:hover .bz-webcta__word{-webkit-text-stroke-color:rgba(226,60,27,.5)}
.bz-webcta__eyebrow,.bz-webcta__h,.bz-webcta__sub,.bz-webcta__link{position:relative;z-index:1}
@media(max-width:760px){
  .bz-webcta__word{top:auto;bottom:10px;right:10px;transform:none;font-size:clamp(26px,6vw,52px);
    -webkit-text-stroke-color:rgba(255,255,255,.10)}
}
.bz-webcta__eyebrow{font-family:var(--f-label);font-size:11px;letter-spacing:.3em;color:var(--accent)}
.bz-webcta__h{margin-top:12px;font-size:clamp(18px,2.4vw,28px);font-weight:900;letter-spacing:.03em;line-height:1.7}
.bz-webcta__sub{margin-top:8px;font-size:12.5px;color:rgba(255,255,255,.7)}
.bz-webcta__link{display:inline-flex;align-items:center;gap:12px;margin-top:20px;
  font-family:var(--f-label);font-size:12px;letter-spacing:.24em}
.bz-webcta__link .arr{display:inline-flex;width:44px;height:44px;border:1px solid rgba(255,255,255,.5);border-radius:50%;
  align-items:center;justify-content:center;transition:.4s var(--ease)}
.bz-webcta:hover .bz-webcta__link .arr{background:var(--accent);border-color:var(--accent);transform:translateX(6px)}

/* ============================================================
   CONTACT (#contact)
   ============================================================ */
.bz-contact{position:relative;padding:clamp(80px,10vw,150px) 0;overflow:clip}
.bz-contact__ghost{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:var(--f-display);
  font-size:clamp(160px,28vw,400px);line-height:1.1;color:rgba(226,60,27,.05);pointer-events:none;user-select:none}
.bz-contact .wrap{position:relative;max-width:880px}
.bz-form{background:var(--paper);border:1px solid var(--line);padding:clamp(26px,3.4vw,48px)}
.bz-form input[type="text"],.bz-form input[type="email"],.bz-form input[type="tel"],
.bz-form input[type="url"],.bz-form textarea,.bz-form select{
  width:100%;background:var(--bg);border:1px solid var(--line);padding:14px 16px;font-family:var(--f-jp);
  font-size:14px;line-height:1.8;transition:border-color .3s;border-radius:2px}
.bz-form input:focus,.bz-form textarea:focus{outline:none;border-color:var(--accent)}
.bz-form label{font-size:13px;font-weight:700;letter-spacing:.04em}
.bz-form p{margin-bottom:18px}
.bz-form input[type="submit"],.bz-form button[type="submit"]{
  display:inline-block;background:var(--accent);color:#fff;border:none;cursor:pointer;
  font-weight:900;font-size:15px;letter-spacing:.1em;padding:16px 44px;border-radius:999px;
  box-shadow:0 14px 36px rgba(226,60,27,.35);transition:.35s var(--ease)}
.bz-form input[type="submit"]:hover,.bz-form button[type="submit"]:hover{background:var(--accent-dk);transform:translateY(-2px)}

@media (prefers-reduced-motion: reduce){
  .bz-hero__bg{transform:none!important}
}