/*
 * DAISEN ビジネスページ スタイルシート
 * daisen-business/daisen-business.css
 * Version: 1.0.0
 */

/* ===== リセット ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ===== CSS 変数（トップページと統一） ===== */
:root{
  --black:    #070710;
  --dark:     #0e0e1a;
  --surface:  #161625;
  --border:   #252540;
  --white:    #ffffff;
  --off-w:    #e4e4f2;
  --muted:    #7a7a99;
  --gold:     #ffd700;
  --gold-glow:#fff176;
  --blue:     #00c8e6;
  --blue-neon:#00ffe5;
  --font-d:   'Montserrat',sans-serif;
  --font-b:   'Noto Sans JP',sans-serif;
  --ease:     cubic-bezier(0.16,1,0.3,1);
  --site-fcs: #00b4d8;
  --site-si:  #06d6a0;
  --site-psd: #7209b7;
  --site-nexus:#f72585;
}

/* ===== ベース ===== */
body.daisen-business-page{
  font-family:var(--font-b);
  background:var(--black);
  color:var(--off-w);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ===========================
   HEADER
   =========================== */
.db-header{
  position:fixed;top:0;left:0;right:0;
  z-index:9999;
  height:68px;
  background:rgba(7,7,16,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .4s,box-shadow .4s;
}
.db-header.scrolled{background:rgba(7,7,16,.98);box-shadow:0 4px 32px rgba(0,0,0,.6)}
.db-header__inner{
  max-width:1400px;margin:0 auto;padding:0 32px;
  height:100%;display:flex;align-items:center;gap:16px;
}

/* ロゴ */
.db-logo{
  display:flex;align-items:center;gap:12px;
  color:var(--white);
  font-family:var(--font-d);font-weight:900;font-size:1.15rem;
  letter-spacing:.14em;flex-shrink:0;
}
.db-logo__mark{width:36px;height:36px;border-radius:0;object-fit:contain}
.db-logo__text{font-family:var(--font-d);font-weight:900;letter-spacing:.16em}

/* ナビ */
.db-nav{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
}
.db-nav__item{
  font-family:var(--font-d);font-size:.72rem;font-weight:600;
  letter-spacing:.06em;color:rgba(220,220,240,.75);
  padding:6px 12px;border-radius:6px;
  transition:color .3s,background .3s;white-space:nowrap;
}
.db-nav__item:hover{color:#fff;background:rgba(255,255,255,.07)}

/* ── つながる窓口 CTA ボタン（Businessセクション用）── */
.db-nav__item--cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  padding: 8px 20px;
  background: linear-gradient(135deg, #00b4d8, #0078c8);
  color: #ffffff;
  font-family: var(--font-d);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  white-space: nowrap;
  transition: opacity 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 12px rgba(0, 180, 216, 0.4);
  text-shadow: none;
  background-color: unset;
}

/* ホバー時のスタイル */
.db-nav__item--cta:hover {
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 180, 216, 0.6);
  background: linear-gradient(135deg, #00c8f0, #008cdc);
  color: #ffffff;
}

/* ハンバーガー */
.db-menu-toggle{
  display:none;flex-direction:column;justify-content:center;
  gap:5px;padding:10px;
  border:1.5px solid rgba(255,255,255,.22);border-radius:8px;
  margin-left:auto;
}
.db-menu-toggle span{
  display:block;width:22px;height:2px;
  background:rgba(220,230,255,.85);border-radius:2px;
  transition:transform .3s,opacity .3s;
}
.db-menu-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.db-menu-toggle.is-active span:nth-child(2){opacity:0}
.db-menu-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===========================
   HERO
   =========================== */
.db-hero{
  position:relative;min-height:100vh;
  display:flex;align-items:flex-end;
  background:#0a0a14 center/cover no-repeat;
  padding:0 clamp(2rem,8vw,8rem) clamp(4rem,10vh,7rem);
  overflow:hidden;
}
.db-hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(
    to top,
    rgba(7,7,16,.95) 0%,
    rgba(7,7,16,.7) 40%,
    rgba(7,7,16,.35) 100%
  );
}
.db-hero::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 50% at 70% 30%,rgba(0,200,230,.07) 0%,transparent 60%),
    radial-gradient(ellipse 50% 60% at 20% 80%,rgba(255,215,0,.05) 0%,transparent 55%);
}
.db-hero__inner{position:relative;z-index:2;max-width:720px}
.db-hero__eyebrow{
  font-family:var(--font-d);font-size:.65rem;font-weight:700;
  letter-spacing:.5em;color:var(--blue);
  margin-bottom:1.5rem;
}
.db-hero__title{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1.8rem}
.db-hero__title-main{
  font-family:var(--font-d);
  font-size:clamp(2.2rem,6vw,4.5rem);
  font-weight:900;line-height:1.1;
  letter-spacing:.02em;color:var(--white);
}
.db-hero__title-en{
  font-family:var(--font-d);
  font-size:clamp(1rem,2.5vw,1.6rem);
  font-weight:300;letter-spacing:.2em;
  color:rgba(200,220,240,.5);
}
.db-hero__sub{
  font-size:clamp(.95rem,1.8vw,1.15rem);
  color:rgba(200,220,240,.75);
  line-height:2;font-weight:300;
}

.db-hero__scroll{
  position:absolute;bottom:2.5rem;right:clamp(2rem,6vw,6rem);
  display:flex;flex-direction:column;align-items:center;gap:.8rem;z-index:2;
}
.db-hero__scroll span{
  font-family:var(--font-d);font-size:.52rem;letter-spacing:.4em;
  color:rgba(180,190,210,.5);writing-mode:vertical-rl;
}
.db-hero__scroll-line{
  width:1px;height:48px;
  background:linear-gradient(to bottom,var(--gold),transparent);
  animation:dbScrollLine 2s ease-in-out infinite;
}
@keyframes dbScrollLine{
  0%{transform:scaleY(0);transform-origin:top;opacity:1}
  50%{transform:scaleY(1);transform-origin:top;opacity:1}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom;opacity:0}
}

/* ===========================
   INTRO
   =========================== */
.db-intro{
  background:linear-gradient(180deg,#070710 0%,#0e0e1a 100%);
  padding:clamp(4rem,10vh,7rem) 0;
}
.db-intro__inner{
  max-width:860px;margin:0 auto;
  padding:0 clamp(1.5rem,6vw,3rem);
}
.db-intro__breadcrumb{
  display:flex;align-items:center;gap:.8rem;
  margin-bottom:2.5rem;
  font-family:var(--font-d);font-size:.65rem;letter-spacing:.15em;
}
.db-intro__bc-link{color:rgba(0,200,230,.6);transition:color .3s}
.db-intro__bc-link:hover{color:var(--blue)}
.db-intro__bc-sep{color:rgba(255,255,255,.2)}
.db-intro__bc-current{color:rgba(255,255,255,.4)}

.db-intro__kv{
  font-family:var(--font-b);
  font-size:clamp(1.1rem,2.5vw,1.5rem);
  font-weight:700;
  color:var(--gold);
  letter-spacing:.06em;
  border-left:3px solid var(--gold);
  padding-left:1.2rem;
  margin-bottom:1.8rem;
}
.db-intro__text{
  font-size:clamp(.93rem,1.7vw,1.05rem);
  color:rgba(220,220,240,.8);
  line-height:2;font-weight:300;
  margin-bottom:2.5rem;
}
.db-intro__text strong{color:var(--white);font-weight:500}

.db-intro__tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:1rem;
}
.db-intro__tag{
  padding:.4rem 1.2rem;border-radius:4px;
  font-family:var(--font-d);font-size:.72rem;font-weight:700;
  letter-spacing:.08em;
}
.db-intro__tag--fcs{background:rgba(0,180,216,.12);border:1px solid rgba(0,180,216,.3);color:var(--site-fcs)}
.db-intro__tag--si{background:rgba(6,214,160,.12);border:1px solid rgba(6,214,160,.3);color:var(--site-si)}
.db-intro__tag--psd{background:rgba(114,9,183,.12);border:1px solid rgba(114,9,183,.4);color:#c060ff}
.db-intro__tag--nexus{background:rgba(247,37,133,.12);border:1px solid rgba(247,37,133,.3);color:var(--site-nexus)}
.db-intro__arrow{color:rgba(255,255,255,.25);font-weight:300;font-size:1.2rem}

/* ===========================
   PARADOX
   =========================== */
.db-paradox{
  background:linear-gradient(135deg,rgba(0,200,230,.04),rgba(255,215,0,.03)),var(--dark);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:clamp(4rem,10vh,7rem) 0;
}
.db-paradox__inner{
  max-width:720px;margin:0 auto;
  padding:0 clamp(1.5rem,6vw,3rem);
}
.db-paradox__label{
  font-family:var(--font-d);font-size:.62rem;font-weight:700;
  letter-spacing:.4em;color:rgba(0,200,230,.6);
  margin-bottom:1.5rem;
}
.db-paradox__title{
  font-family:var(--font-d);font-size:clamp(1.4rem,3vw,2.2rem);
  font-weight:900;line-height:1.4;
  color:var(--white);margin-bottom:3rem;
  letter-spacing:.01em;
}

/* チェーン */
.db-chain{position:relative;padding-left:2rem}
.db-chain::before{
  content:'';position:absolute;left:.55rem;top:.5rem;bottom:1rem;
  width:1px;background:linear-gradient(to bottom,var(--blue),transparent);
}
.db-chain__item{
  position:relative;padding:0 0 2rem 1.8rem;
}
.db-chain__dot{
  position:absolute;left:-.6rem;top:.3rem;
  width:10px;height:10px;border-radius:50%;
  border:1px solid var(--blue);background:var(--dark);
}
.db-chain__dot--gold{border-color:var(--gold);box-shadow:0 0 8px rgba(255,215,0,.4)}
.db-chain__item p{
  font-size:clamp(.9rem,1.7vw,1rem);
  color:rgba(200,210,230,.75);line-height:1.8;
}
.db-chain__item--last p{color:var(--white)}
.db-chain__item--last p strong{color:var(--gold)}

/* ===========================
   LOGOS STRIP
   =========================== */
.db-logos-strip{
  display:flex;align-items:center;justify-content:center;gap:2rem;
  padding:3rem 2rem;
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.db-logos-strip__img{width:80px;height:80px;object-fit:contain;opacity:.7}
.db-logos-strip__placeholder{
  width:80px;height:80px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#00c8e6,#0078ff);
  font-family:var(--font-d);font-size:1.2rem;font-weight:900;
  color:var(--black);opacity:.7;
}
.db-logos-strip__cross{
  font-family:var(--font-d);font-size:1.8rem;font-weight:300;
  color:rgba(255,255,255,.15);
}

/* ===========================
   OVERVIEW
   =========================== */
.db-overview{
  background:var(--dark);
  padding:clamp(5rem,12vh,9rem) 0;
}
.db-overview__inner{
  max-width:1100px;margin:0 auto;
  padding:0 clamp(1.5rem,6vw,3rem);
}
.db-section-header{margin-bottom:1rem}
.db-section-label{
  font-family:var(--font-d);font-size:.65rem;font-weight:700;
  letter-spacing:.4em;color:var(--blue);display:block;margin-bottom:.8rem;
}
.db-section-title{
  font-family:var(--font-d);font-size:clamp(1.4rem,3.5vw,2.4rem);
  font-weight:900;color:var(--white);line-height:1.3;letter-spacing:.01em;
}
.db-overview__caption{
  margin:1.5rem 0 3rem;
  font-size:clamp(.93rem,1.7vw,1.05rem);
  color:rgba(200,210,230,.7);line-height:2;font-weight:300;
}

/* 概要図フレーム */
.db-overview__frame{
  position:relative;border-radius:12px;overflow:hidden;
  border:1px solid rgba(255,255,255,.06);
  margin-bottom:3rem;
}
.db-overview__img{width:100%;height:auto;display:block}
.db-overview__glow{
  position:absolute;inset:0;
  background:linear-gradient(to bottom,transparent 60%,rgba(7,7,16,.6) 100%);
  pointer-events:none;
}

/* 4 カード */
.db-overview__cards{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--border);
  border:1px solid var(--border);border-radius:8px;overflow:hidden;
}
.db-ov-card{
  background:var(--surface);
  padding:1.8rem 1.5rem;
  transition:background .35s;
}
.db-ov-card:hover{background:rgba(255,255,255,.04)}
.db-ov-card__num{
  font-family:var(--font-d);font-size:.62rem;font-weight:700;
  letter-spacing:.2em;margin-bottom:.6rem;display:block;
}
.db-ov-card--fcs .db-ov-card__num{color:var(--site-fcs)}
.db-ov-card--si .db-ov-card__num{color:var(--site-si)}
.db-ov-card--psd .db-ov-card__num{color:#c060ff}
.db-ov-card--nexus .db-ov-card__num{color:var(--site-nexus)}
.db-ov-card__name{
  font-family:var(--font-d);font-size:.88rem;font-weight:700;
  color:var(--white);margin-bottom:.4rem;letter-spacing:.02em;
}
.db-ov-card__role{
  font-size:.78rem;color:rgba(180,185,210,.6);line-height:1.6;
}

/* ===========================
   UNIT（各ビジネス領域）
   =========================== */
.db-unit{
  padding:clamp(5rem,12vh,9rem) 0;
  position:relative;overflow:hidden;
}
.db-unit--fcs{background:linear-gradient(135deg,rgba(0,180,216,.04) 0%,var(--black) 60%)}
.db-unit--si{background:linear-gradient(135deg,var(--black) 0%,rgba(6,214,160,.04) 60%)}
.db-unit--psd{background:linear-gradient(135deg,rgba(114,9,183,.04) 0%,var(--black) 60%)}
.db-unit--nexus{background:linear-gradient(135deg,var(--black) 0%,rgba(247,37,133,.04) 60%)}

.db-unit + .db-unit{border-top:1px solid var(--border)}

.db-unit__inner{
  max-width:1200px;margin:0 auto;
  padding:0 clamp(1.5rem,6vw,4rem);
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(3rem,6vw,6rem);align-items:center;
}
.db-unit__inner--reverse{direction:rtl}
.db-unit__inner--reverse > *{direction:ltr}

/* メタ */
.db-unit__meta{margin-bottom:2rem}
.db-unit__num{
  font-family:var(--font-d);font-size:.6rem;font-weight:700;
  letter-spacing:.4em;display:block;margin-bottom:.5rem;
}
.db-unit--fcs .db-unit__num{color:var(--site-fcs)}
.db-unit--si  .db-unit__num{color:var(--site-si)}
.db-unit--psd .db-unit__num{color:#c060ff}
.db-unit--nexus .db-unit__num{color:var(--site-nexus)}

.db-unit__label{
  font-family:var(--font-d);font-size:.68rem;font-weight:600;
  letter-spacing:.12em;color:rgba(200,210,230,.45);
  display:block;margin-bottom:.8rem;
}
.db-unit__title{
  font-family:var(--font-d);
  font-size:clamp(1.4rem,3vw,2.2rem);
  font-weight:900;line-height:1.25;
  color:var(--white);margin-bottom:.8rem;letter-spacing:.01em;
}
.db-unit__tagline{
  font-size:clamp(.9rem,1.7vw,1.05rem);
  color:rgba(200,215,235,.65);font-weight:300;line-height:1.7;
}

/* サービス詳細 */
.db-unit__body{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:2rem}
.db-unit__service{
  border-left:2px solid rgba(255,255,255,.08);
  padding-left:1.2rem;
}
.db-unit--fcs  .db-unit__service{border-left-color:rgba(0,180,216,.3)}
.db-unit--si   .db-unit__service{border-left-color:rgba(6,214,160,.3)}
.db-unit--psd  .db-unit__service{border-left-color:rgba(192,96,255,.3)}
.db-unit--nexus .db-unit__service{border-left-color:rgba(247,37,133,.3)}

.db-unit__service-name{
  font-family:var(--font-d);font-size:.82rem;font-weight:700;
  color:var(--white);letter-spacing:.04em;margin-bottom:.5rem;
}
.db-unit__service p{
  font-size:.9rem;color:rgba(180,190,215,.7);line-height:1.85;font-weight:300;
}

/* 最新記事 */
.db-unit__news-block{margin-bottom:2rem}
.db-unit__news-label{
  font-family:var(--font-d);font-size:.58rem;font-weight:700;
  letter-spacing:.4em;color:rgba(180,190,210,.4);
  margin-bottom:.8rem;
}
.db-unit__news{list-style:none}
.db-unit__news-item{
  display:flex;align-items:baseline;gap:.8rem;
  font-size:.85rem;color:rgba(200,210,230,.6);
  padding:.5rem 0;
  border-bottom:1px solid rgba(255,255,255,.04);
  transition:color .3s;
}
.db-unit__news-item:hover{color:var(--white)}
.db-unit__news-arrow{color:rgba(200,210,230,.3);flex-shrink:0;font-size:.8rem}
.db-unit__news-empty{font-size:.85rem;color:rgba(180,185,210,.35);padding:.5rem 0}

/* アクション */
.db-unit__actions{display:flex;flex-wrap:wrap;gap:1rem}
.db-unit__btn{
  display:inline-flex;align-items:center;
  padding:.75rem 1.8rem;border-radius:6px;
  font-family:var(--font-d);font-size:.78rem;font-weight:700;
  letter-spacing:.08em;
  transition:all .3s var(--ease);
}
.db-unit__btn--primary{
  background:var(--blue);color:var(--black);
  box-shadow:0 4px 20px rgba(0,200,230,.25);
}
.db-unit--fcs  .db-unit__btn--primary{background:var(--site-fcs);box-shadow:0 4px 20px rgba(0,180,216,.3)}
.db-unit--si   .db-unit__btn--primary{background:var(--site-si);color:#0a1a12;box-shadow:0 4px 20px rgba(6,214,160,.3)}
.db-unit--psd  .db-unit__btn--primary{background:#7209b7;color:#fff;box-shadow:0 4px 20px rgba(114,9,183,.4)}
.db-unit--nexus .db-unit__btn--primary{background:var(--site-nexus);color:#fff;box-shadow:0 4px 20px rgba(247,37,133,.35)}
.db-unit__btn--primary:hover{filter:brightness(1.12);transform:translateY(-2px)}

.db-unit__btn--ghost{
  background:transparent;color:rgba(200,210,230,.7);
  border:1px solid rgba(255,255,255,.14);
}
.db-unit__btn--ghost:hover{
  border-color:rgba(255,255,255,.35);
  color:var(--white);background:rgba(255,255,255,.05);
}

/* ヴィジュアルパネル */
.db-unit__visual{
  position:relative;
  height:clamp(300px,40vw,560px);
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.05);
  background:var(--surface);
}
.db-unit__visual-num{
  font-family:var(--font-d);font-weight:900;
  font-size:clamp(8rem,18vw,16rem);
  line-height:1;color:rgba(255,255,255,.04);
  letter-spacing:-.02em;user-select:none;
  position:relative;z-index:1;
}
.db-unit__visual-glow{
  position:absolute;width:300px;height:300px;border-radius:50%;
  filter:blur(80px);opacity:.18;pointer-events:none;
}
.db-unit--fcs  .db-unit__visual-glow{background:var(--site-fcs)}
.db-unit--si   .db-unit__visual-glow{background:var(--site-si)}
.db-unit--psd  .db-unit__visual-glow{background:#8820cc}
.db-unit--nexus .db-unit__visual-glow{background:var(--site-nexus)}

/* ===========================
   CTA
   =========================== */
.db-cta{
  background:linear-gradient(135deg,#0a0a14 0%,#0d0d1a 100%);
  padding:clamp(5rem,12vh,9rem) 0;
  border-top:1px solid var(--border);
  text-align:center;
}
.db-cta__inner{
  max-width:700px;margin:0 auto;
  padding:0 clamp(1.5rem,6vw,3rem);
}
.db-cta__label{
  font-family:var(--font-d);font-size:.62rem;font-weight:700;
  letter-spacing:.5em;color:var(--blue);
  margin-bottom:1.5rem;display:block;
}
.db-cta__title{
  font-family:var(--font-d);font-size:clamp(1.6rem,4vw,2.8rem);
  font-weight:900;line-height:1.35;
  color:var(--white);margin-bottom:1.5rem;letter-spacing:.01em;
}
.db-cta__sub{
  font-size:clamp(.9rem,1.7vw,1.05rem);
  color:rgba(180,190,220,.65);line-height:2;
  font-weight:300;margin-bottom:2.5rem;
}
.db-cta__actions{
  display:flex;flex-wrap:wrap;justify-content:center;gap:1.2rem;
}
.db-cta__btn{
  display:inline-flex;align-items:center;
  padding:.9rem 2.4rem;border-radius:6px;
  font-family:var(--font-d);font-size:.82rem;font-weight:700;
  letter-spacing:.1em;
  transition:all .3s var(--ease);
}
.db-cta__btn--primary{
  background:var(--gold);color:var(--black);
  box-shadow:0 4px 24px rgba(255,215,0,.3);
}
.db-cta__btn--primary:hover{filter:brightness(1.1);transform:translateY(-2px)}
.db-cta__btn--ghost{
  background:transparent;color:rgba(200,210,230,.7);
  border:1px solid rgba(255,255,255,.18);
}
.db-cta__btn--ghost:hover{
  border-color:rgba(255,255,255,.4);
  color:var(--white);background:rgba(255,255,255,.05);
}

/* ===========================
   SCROLL REVEAL
   =========================== */
.db-reveal{
  opacity:0;transform:translateY(40px);
  transition:opacity .9s var(--ease),transform .9s var(--ease);
}
.db-reveal.is-visible{opacity:1;transform:none}

/* ===========================
   BACK TO TOP
   =========================== */
.db-btt{
  position:fixed;bottom:2rem;right:2rem;
  width:48px;height:48px;border-radius:50%;
  background:rgba(0,200,230,.15);
  border:1px solid rgba(0,200,230,.35);
  color:var(--blue);display:grid;place-items:center;
  z-index:9000;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .4s,transform .4s,background .3s;
}
.db-btt.is-visible{opacity:1;transform:none;pointer-events:auto}
.db-btt:hover{background:rgba(0,200,230,.28)}

/* ===========================
   RESPONSIVE
   =========================== */
@media(max-width:1023px){
  .db-overview__cards{grid-template-columns:repeat(2,1fr)}
  .db-unit__inner{grid-template-columns:1fr;gap:2.5rem}
  .db-unit__inner--reverse{direction:ltr}
  .db-unit__visual{height:200px}
  .db-unit__visual-num{font-size:6rem}
}

@media(max-width:768px){
  .db-header__inner{padding:0 20px}
  .db-nav{
    display:none;flex-direction:column;
    position:fixed;top:68px;left:0;right:0;
    background:rgba(7,7,16,.98);
    padding:16px 0 24px;
    border-bottom:1px solid rgba(255,255,255,.06);
    max-height:calc(100vh - 68px);overflow-y:auto;
    z-index:9998;
  }
  .db-nav.is-open{display:flex}
  .db-nav__item{
    padding:12px 28px;border-bottom:1px solid rgba(255,255,255,.04);
    font-size:.85rem;letter-spacing:.05em;
    border-radius:0;
  }
  .db-nav__item--cta{margin:8px 20px 0;border-radius:6px;border:1px solid rgba(0,200,230,.3)}
  .db-menu-toggle{display:flex}
  .db-intro__tag-row{gap:.6rem}
  .db-logos-strip{gap:1.2rem}
  .db-logos-strip__img,.db-logos-strip__placeholder{width:56px;height:56px}
}

@media(max-width:480px){
  .db-hero{padding:0 1.5rem clamp(3rem,8vh,5rem)}
  .db-overview__cards{grid-template-columns:1fr}
  .db-unit__actions{flex-direction:column}
  .db-unit__btn{justify-content:center}
  .db-cta__actions{flex-direction:column;align-items:center}
}

/* ====== ビジュアル枠 パノラマ画像アニメ ====== */
.db-unit__visual {
  position: relative;
  overflow: hidden;
}

.db-unit__visual-pan {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  z-index: 0;
}

.db-unit__visual-img {
  width: 160%;      /* 画像を枠より広くしてパンできるように */
  height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
  will-change: transform;
}

/* 左→右 パン */
[data-pan-dir="ltr"] .db-unit__visual-img {
  animation: db-pan-ltr 16s ease-in-out infinite alternate;
}
/* 右→左 パン */
[data-pan-dir="rtl"] .db-unit__visual-img {
  animation: db-pan-rtl 16s ease-in-out infinite alternate;
}

@keyframes db-pan-ltr {
  0%   { transform: translateX(0%); }
  100% { transform: translateX(-37.5%); } /* (160-100)/160 ≒ 37.5% */
}
@keyframes db-pan-rtl {
  0%   { transform: translateX(-37.5%); }
  100% { transform: translateX(0%); }
}

/* 数字・グロー は画像の上に重ねる */
.db-unit__visual-num,
.db-unit__visual-glow {
  position: relative;
  z-index: 1;
}

/* 画像上に薄いオーバーレイでテキスト視認性を確保 */
.db-unit__visual-pan::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,14,20,.45);
  pointer-events: none;
  z-index: 1;
}