/* ============================================================
   REVIX JAPAN - 高圧系統用蓄電池とは (/high-voltage-bess/what-is/)
   page19.css — full redesign 2026-07-03
   Theme: 高圧 = DARK type (website-design-system.md v2.0 §3-3b)
   主色 Navy #0C2A4D / deep #071A31 / CTA金 #F5B500固定
   Scoped entirely under body#hv_about (does not leak to other pages)
   ============================================================ */

body#hv_about {
  --navy: #0C2A4D;
  --navy-deep: #071A31;
  --navy-light: #1B4A78;
  --navy-tint: #F2F6FA;
  --gold: #F5B500;
  --ink: #16181C;
  --sub: #5A6270;
  --border: #E2E5E8;
  --white: #FFFFFF;
  --font-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-en: "Barlow", "Zen Kaku Gothic New", sans-serif;
  --radius-s: 6px;
  --radius-m: 12px;
  --radius-pill: 999px;
  --maxw: 1200px;
  --prose: 720px;
  color: var(--ink);
  font-family: var(--font-jp);
  -webkit-font-smoothing: antialiased;
}

body#hv_about * , body#hv_about *::before, body#hv_about *::after { box-sizing: border-box; }

body#hv_about #main.hv2 { overflow: clip; }

body#hv_about .hv2 img { max-width: 100%; display: block; }
body#hv_about .hv2 a { text-decoration: none; color: inherit; }
body#hv_about .hv2 ul { list-style: none; margin: 0; padding: 0; }

/* ---------- shared layout helpers ---------- */
body#hv_about .hv2-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 900px) { body#hv_about .hv2-inner { padding: 0 20px; } }

body#hv_about .hv2-section { padding: 96px 0; position: relative; }
@media (max-width: 560px) { body#hv_about .hv2-section { padding: 56px 0; } }

body#hv_about .hv2-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--navy);
  margin-bottom: 16px;
}
body#hv_about .hv2-kicker::before {
  content: "";
  width: 28px; height: 2px;
  background: var(--gold);
  display: inline-block;
}
body#hv_about .hv2-dark .hv2-kicker { color: #9db7d6; }
body#hv_about .hv2-dark .hv2-kicker::before { background: var(--gold); }

body#hv_about .hv2-h2 {
  font-size: clamp(25px, 3.4vw, 34px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 20px;
}
body#hv_about .hv2-dark .hv2-h2 { color: #fff; }
body#hv_about .hv2-lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--sub);
  max-width: var(--prose);
}
body#hv_about .hv2-dark .hv2-lead { color: rgba(255,255,255,.78); }

body#hv_about .hv2-em { color: var(--navy); }
body#hv_about .hv2-dark .hv2-em { color: #fff; border-bottom: 2px solid var(--gold); }

/* ---------- buttons ---------- */
body#hv_about .hv2-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 16px;
  padding: 17px 32px;
  border-radius: var(--radius-pill);
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
  white-space: nowrap;
}
body#hv_about .hv2-btn--gold { background: var(--gold); color: var(--ink); }
body#hv_about .hv2-btn--gold:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(245,181,0,.35); }
body#hv_about .hv2-btn--ghost-dark { border: 1px solid rgba(255,255,255,.4); color: #fff; }
body#hv_about .hv2-btn--ghost-dark:hover { background: rgba(255,255,255,.1); }
body#hv_about .hv2-btn--ghost-light { border: 1px solid var(--border); color: var(--ink); }
body#hv_about .hv2-btn--ghost-light:hover { border-color: var(--navy); color: var(--navy); }
body#hv_about .hv2-btn:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
body#hv_about .hv2-btn .arrow { transition: transform .2s ease; }
body#hv_about .hv2-btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   BREADCRUMB
   ============================================================ */
body#hv_about .breadcrumb { padding: 20px 0 0; }
body#hv_about .breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; font-size: 13px; color: var(--sub); }
body#hv_about .breadcrumb__item:not(:last-child)::after { content: "/"; margin-left: 6px; color: var(--border); }
body#hv_about .breadcrumb__link { color: var(--sub); }
body#hv_about .breadcrumb__link:hover { color: var(--navy); text-decoration: underline; }
body#hv_about .breadcrumb__item[aria-current="page"] { color: var(--ink); font-weight: 500; }

/* ============================================================
   SCROLL PROGRESS RAIL (decorative "voltage line" + section jump)
   ============================================================ */
body#hv_about .hv2-rail {
  position: fixed;
  left: 18px; top: 50%; transform: translateY(-50%);
  z-index: 40;
  display: flex; flex-direction: column; align-items: center; gap: 0;
}
body#hv_about .hv2-rail__track {
  position: relative;
  width: 2px; height: 260px;
  background: var(--border);
  border-radius: 999px;
}
body#hv_about .hv2-rail__fill {
  position: absolute; left: 0; top: 0; width: 100%; height: 0%;
  background: linear-gradient(180deg, var(--navy), var(--gold));
  border-radius: 999px;
  transition: height .15s linear;
}
body#hv_about .hv2-rail__dot {
  position: absolute; left: 50%; transform: translate(-50%,-50%); top: 0%;
  width: 9px; height: 9px; border-radius: 50%; background: var(--gold);
  box-shadow: 0 0 0 4px rgba(245,181,0,.2);
  transition: top .15s linear;
}
@media (max-width: 1180px) { body#hv_about .hv2-rail { display: none; } }
@media (prefers-reduced-motion: reduce) { body#hv_about .hv2-rail__fill, body#hv_about .hv2-rail__dot { transition: none; } }

/* ============================================================
   HERO
   ============================================================ */
body#hv_about .hv2-hero {
  position: relative;
  background: radial-gradient(120% 140% at 15% 0%, var(--navy-light) 0%, var(--navy) 42%, var(--navy-deep) 100%);
  color: #fff;
  padding: 64px 0 88px;
  overflow: hidden;
}
body#hv_about .hv2-hero__grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,480px);
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) { body#hv_about .hv2-hero__grid { grid-template-columns: 1fr; } }

body#hv_about .hv2-hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-en); font-weight: 700; font-size: 12px; letter-spacing: .14em;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22);
  color: #cfe0f5; padding: 9px 18px; border-radius: var(--radius-pill);
  margin-bottom: 22px;
}
body#hv_about .hv2-hero__badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

body#hv_about .hv2-hero__eyebrow { font-size: 16px; font-weight: 500; color: rgba(255,255,255,.72); margin: 0 0 10px; }
body#hv_about .hv2-hero__title {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.28;
  font-weight: 700;
  margin: 0 0 22px;
}
body#hv_about .hv2-hero__title em { font-style: normal; color: var(--gold); }
body#hv_about .hv2-hero__lead { font-size: 17px; line-height: 1.9; color: rgba(255,255,255,.82); max-width: 560px; margin: 0 0 32px; }

body#hv_about .hv2-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }

body#hv_about .hv2-hero__facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; background: rgba(255,255,255,.14); border-radius: var(--radius-m); overflow: hidden; max-width: 620px; }
body#hv_about .hv2-hero__fact { background: rgba(255,255,255,.05); padding: 18px 16px; }
body#hv_about .hv2-hero__fact-main { display: block; font-weight: 700; font-size: 16px; color: #fff; margin-bottom: 4px; }
body#hv_about .hv2-hero__fact-sub { display: block; font-size: 12px; color: rgba(255,255,255,.62); }
@media (max-width: 560px) { body#hv_about .hv2-hero__facts { grid-template-columns: 1fr; } }

/* hero visual: photo + animated energy flow svg overlay */
body#hv_about .hv2-hero__visual { position: relative; border-radius: var(--radius-m); overflow: hidden; aspect-ratio: 8/9; }
body#hv_about .hv2-hero__visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) contrast(1.05); }
body#hv_about .hv2-hero__visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,26,49,.05) 40%, rgba(7,26,49,.85) 100%), linear-gradient(90deg, rgba(7,26,49,.55) 0%, rgba(7,26,49,0) 40%);
}
body#hv_about .hv2-hero__caption { position: absolute; left: 20px; bottom: 18px; z-index: 2; color: #fff; font-size: 13px; font-weight: 500; background: rgba(7,26,49,.55); padding: 8px 14px; border-radius: var(--radius-pill); backdrop-filter: blur(4px); }
body#hv_about .hv2-flowline { display: none; }
body#hv_about .hv2-flowline path { fill: none; stroke: rgba(245,181,0,.75); stroke-width: 2; stroke-dasharray: 6 10; }
body#hv_about .hv2-flowline circle { fill: var(--gold); }
body#hv_about.js .hv2-flowline path { animation: hv2-dash 6s linear infinite; }
body#hv_about.js .hv2-flowline circle { animation: hv2-orbit 6s linear infinite; offset-path: path("M 10 200 Q 150 20 290 160"); }
@keyframes hv2-dash { to { stroke-dashoffset: -160; } }
@keyframes hv2-orbit { 0% { offset-distance: 0%; opacity:0; } 8% { opacity:1;} 92%{opacity:1;} 100% { offset-distance: 100%; opacity:0; } }

/* ============================================================
   THREE KEYS
   ============================================================ */
body#hv_about .hv2-keys { background: #fff; }
body#hv_about .hv2-keys__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; margin-top: 40px; }
@media (max-width: 900px) { body#hv_about .hv2-keys__grid { grid-template-columns: 1fr; } }
body#hv_about .hv2-key {
  position: relative;
  background: var(--navy-tint);
  border-radius: var(--radius-m);
  padding: 40px 28px 32px;
  overflow: hidden;
}
body#hv_about .hv2-key__num {
  position: absolute; right: 12px; top: -18px;
  font-family: var(--font-en); font-weight: 700; font-size: 96px;
  color: #fff; -webkit-text-stroke: 1.5px #D8E4F0; color: transparent;
  line-height: 1; user-select: none;
}
body#hv_about .hv2-key__title { position: relative; font-size: 20px; font-weight: 700; color: var(--navy); margin: 0 0 10px; line-height: 1.5; }
body#hv_about .hv2-key__text { position: relative; font-size: 15px; line-height: 1.8; color: var(--sub); }

/* ============================================================
   GENERIC reveal-on-scroll (progressive enhancement only)
   ============================================================ */
body#hv_about.js .hv2-reveal { opacity: 0; transform: translateY(24px); transition: opacity .5s ease, transform .5s ease; }
body#hv_about.js .hv2-reveal.is-in { opacity: 1; transform: none; }
body#hv_about.js .hv2-reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
body#hv_about.js .hv2-reveal-stagger.is-in > * { opacity: 1; transform: none; }
body#hv_about.js .hv2-reveal-stagger.is-in > *:nth-child(1){transition-delay:.05s}
body#hv_about.js .hv2-reveal-stagger.is-in > *:nth-child(2){transition-delay:.15s}
body#hv_about.js .hv2-reveal-stagger.is-in > *:nth-child(3){transition-delay:.25s}
body#hv_about.js .hv2-reveal-stagger.is-in > *:nth-child(4){transition-delay:.35s}
body#hv_about.js .hv2-reveal-stagger.is-in > *:nth-child(5){transition-delay:.45s}
body#hv_about.js .hv2-reveal-stagger.is-in > *:nth-child(6){transition-delay:.55s}
@media (prefers-reduced-motion: reduce) {
  body#hv_about.js .hv2-reveal, body#hv_about.js .hv2-reveal-stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ============================================================
   01 DEFINITION
   ============================================================ */
body#hv_about .hv2-def { background: #fff; }
body#hv_about .hv2-def__grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,420px); gap: 56px; align-items: start; }
@media (max-width: 900px) { body#hv_about .hv2-def__grid { grid-template-columns: 1fr; } }
body#hv_about .hv2-def__statement { font-size: clamp(22px,2.6vw,28px); line-height: 1.7; font-weight: 700; color: var(--ink); margin: 0 0 22px; }
body#hv_about .hv2-def__note { margin-top: 18px; font-size: 13px; color: var(--sub); border-left: 3px solid var(--border); padding-left: 14px; }
body#hv_about .hv2-def__photo { border-radius: var(--radius-m); overflow: hidden; }
body#hv_about .hv2-def__photo img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }

/* flow diagram */
body#hv_about .hv2-flow-diagram { margin: 40px 0 8px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; }
@media (max-width: 700px) { body#hv_about .hv2-flow-diagram { grid-template-columns: 1fr; gap: 14px; } }
body#hv_about .hv2-flow-node { background: var(--navy-tint); border: 1px solid #E4ECF4; border-radius: var(--radius-m); padding: 20px; text-align: left; }
body#hv_about .hv2-flow-node--main { background: var(--navy); color: #fff; border-color: var(--navy); }
body#hv_about .hv2-flow-node__title { font-weight: 700; font-size: 16px; margin-bottom: 6px; }
body#hv_about .hv2-flow-node__sub { font-size: 13px; color: var(--sub); line-height: 1.6; }
body#hv_about .hv2-flow-node--main .hv2-flow-node__sub { color: rgba(255,255,255,.75); }
body#hv_about .hv2-flow-arrow { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--sub); font-size: 12px; text-align: center; }
body#hv_about .hv2-flow-arrow svg { width: 34px; height: 14px; }
@media (max-width: 700px) { body#hv_about .hv2-flow-arrow { flex-direction: row; justify-content: center; } body#hv_about .hv2-flow-arrow svg { transform: rotate(90deg); } }
body#hv_about.js .hv2-flow-arrow svg path { stroke-dasharray: 4 5; animation: hv2-dash 3s linear infinite; }

body#hv_about .hv2-qcards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 48px; }
@media (max-width: 900px) { body#hv_about .hv2-qcards { grid-template-columns: 1fr; } }
body#hv_about .hv2-qcard { border: 1px solid var(--border); border-radius: var(--radius-m); padding: 26px 24px; transition: border-color .2s ease, box-shadow .2s ease; }
body#hv_about .hv2-qcard:hover { border-color: var(--navy); box-shadow: 0 14px 30px rgba(12,42,77,.08); }
body#hv_about .hv2-qcard__q { font-family: var(--font-en); font-weight: 700; font-size: 12px; letter-spacing: .1em; color: var(--gold); background: var(--ink); display: inline-block; padding: 4px 10px; border-radius: 4px; margin-bottom: 12px; }
body#hv_about .hv2-qcard__title { font-weight: 700; font-size: 16px; margin: 0 0 10px; line-height: 1.6; }
body#hv_about .hv2-qcard__text { font-size: 14px; color: var(--sub); line-height: 1.8; }

/* ============================================================
   02 SCALE & SYSTEM
   ============================================================ */
body#hv_about .hv2-scale { background: var(--navy-tint); }
body#hv_about .hv2-stack { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 48px; }
body#hv_about .hv2-stack__chip { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 10px 18px; font-size: 14px; font-weight: 500; color: var(--navy); }
body#hv_about .hv2-stack__label { font-size: 13px; font-weight: 700; color: var(--sub); letter-spacing: .04em; margin-bottom: 12px; }

body#hv_about .hv2-compare { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
@media (max-width: 780px) { body#hv_about .hv2-compare { grid-template-columns: 1fr; } }
body#hv_about .hv2-compare__card { background: #fff; border-radius: var(--radius-m); padding: 30px 28px; box-shadow: 0 10px 30px rgba(12,42,77,.06); }
body#hv_about .hv2-compare__card--hi { border: 2px solid var(--navy); }
body#hv_about .hv2-compare__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
body#hv_about .hv2-compare__name { font-size: 18px; font-weight: 700; }
body#hv_about .hv2-compare__card--hi .hv2-compare__name { color: var(--navy); }
body#hv_about .hv2-compare__badge { font-size: 11px; font-weight: 700; letter-spacing: .06em; background: var(--gold); color: var(--ink); padding: 4px 10px; border-radius: var(--radius-pill); }
body#hv_about .hv2-compare__row { padding: 14px 0; border-top: 1px solid var(--border); }
body#hv_about .hv2-compare__row:first-of-type { border-top: none; }
body#hv_about .hv2-compare__row-label { font-size: 12px; color: var(--sub); margin-bottom: 4px; }
body#hv_about .hv2-compare__row-value { font-size: 14px; line-height: 1.7; }
body#hv_about .hv2-compare-note { margin-top: 18px; font-size: 12px; color: var(--sub); }

/* ============================================================
   03 THREE MARKETS
   ============================================================ */
body#hv_about .hv2-markets { background: #fff; }
body#hv_about .hv2-markets__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; margin-top: 40px; }
@media (max-width: 900px) { body#hv_about .hv2-markets__grid { grid-template-columns: 1fr; } }
body#hv_about .hv2-market { background: var(--navy); color: #fff; border-radius: var(--radius-m); padding: 30px 26px; position: relative; overflow: hidden; }
body#hv_about .hv2-market::before { content:""; position:absolute; right:-30px; top:-30px; width:120px; height:120px; border-radius:50%; background:radial-gradient(circle, rgba(245,181,0,.18), transparent 70%); }
body#hv_about .hv2-market__tag { font-size: 12px; font-weight: 700; letter-spacing: .06em; color: #a9c3e0; margin-bottom: 8px; }
body#hv_about .hv2-market__name { font-size: 20px; font-weight: 700; margin-bottom: 14px; }
body#hv_about .hv2-market__text { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.82); margin-bottom: 18px; }
body#hv_about .hv2-market__value { border-top: 1px solid rgba(255,255,255,.18); padding-top: 14px; }
body#hv_about .hv2-market__value-label { font-family: var(--font-en); font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--gold); margin-bottom: 6px; }
body#hv_about .hv2-market__value-text { font-size: 13px; line-height: 1.7; color: #fff; }
body#hv_about .hv2-markets__photo { margin-top: 32px; border-radius: var(--radius-m); overflow: hidden; position: relative; }
body#hv_about .hv2-markets__photo img { width: 100%; max-height: 320px; object-fit: cover; }
body#hv_about .hv2-markets__sources { margin-top: 22px; font-size: 13px; color: var(--sub); }
body#hv_about .hv2-markets__sources strong { color: var(--ink); }
body#hv_about .hv2-note { margin-top: 14px; font-size: 12px; color: var(--sub); }

/* ============================================================
   MID CTA BAND
   ============================================================ */
body#hv_about .hv2-midcta { background: var(--navy-deep); color: #fff; padding: 64px 0; }
body#hv_about .hv2-midcta__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
body#hv_about .hv2-midcta__title { font-size: clamp(20px,2.4vw,26px); font-weight: 700; margin: 0 0 8px; }
body#hv_about .hv2-midcta__text { font-size: 14px; color: rgba(255,255,255,.72); max-width: 520px; }

/* ============================================================
   04 PROJECT FLOW — horizontal stepped rail
   ============================================================ */
body#hv_about .hv2-pf { background: #fff; }
body#hv_about .hv2-pf__rail { position: relative; margin-top: 56px; }
body#hv_about .hv2-pf__line { position: absolute; left: 0; right: 0; top: 34px; height: 2px; background: var(--border); }
body#hv_about .hv2-pf__line-fill { position: absolute; left: 0; top: 0; height: 100%; width: 0%; background: linear-gradient(90deg, var(--navy), var(--gold)); transition: width 1s ease; }
body#hv_about .hv2-pf__steps { position: relative; display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 16px; }
@media (max-width: 980px) { body#hv_about .hv2-pf__steps { grid-template-columns: repeat(3,minmax(0,1fr)); } body#hv_about .hv2-pf__line { display: none; } }
@media (max-width: 560px) { body#hv_about .hv2-pf__steps { grid-template-columns: 1fr; } }
body#hv_about .hv2-pf__step { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
body#hv_about .hv2-pf__num { width: 68px; height: 68px; border-radius: 50%; background: #fff; border: 2px solid var(--navy); color: var(--navy); display: flex; align-items: center; justify-content: center; font-family: var(--font-en); font-weight: 700; font-size: 22px; flex-shrink: 0; }
body#hv_about .hv2-pf__title { font-size: 15px; font-weight: 700; line-height: 1.6; min-height: 48px; }
body#hv_about .hv2-pf__text { font-size: 13px; color: var(--sub); line-height: 1.75; }
body#hv_about .hv2-pf__phase { font-family: var(--font-en); font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--gold); background: var(--ink); padding: 4px 10px; border-radius: 4px; }

/* ============================================================
   05 DUE DILIGENCE
   ============================================================ */
body#hv_about .hv2-dd { background: var(--navy-tint); }
body#hv_about .hv2-dd__grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; margin-top: 40px; }
@media (max-width: 980px) { body#hv_about .hv2-dd__grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 560px) { body#hv_about .hv2-dd__grid { grid-template-columns: 1fr; } }
body#hv_about .hv2-dd__card { background: #fff; border-radius: var(--radius-m); padding: 26px 22px; border-top: 3px solid var(--navy); }
body#hv_about .hv2-dd__num { font-family: var(--font-en); font-weight: 700; font-size: 13px; color: var(--sub); margin-bottom: 10px; }
body#hv_about .hv2-dd__title { font-size: 16px; font-weight: 700; margin: 0 0 10px; line-height: 1.6; }
body#hv_about .hv2-dd__text { font-size: 13.5px; color: var(--sub); line-height: 1.8; }
body#hv_about .hv2-dd__closing { margin-top: 32px; font-size: 14px; color: var(--sub); line-height: 1.9; max-width: var(--prose); border-left: 3px solid var(--navy); padding-left: 18px; }

/* ============================================================
   06 CHECKLIST / DECISION
   ============================================================ */
body#hv_about .hv2-decision { background: #fff; }
body#hv_about .hv2-decision__grid { display: grid; grid-template-columns: minmax(0,420px) minmax(0,1fr); gap: 48px; align-items: center; }
@media (max-width: 900px) { body#hv_about .hv2-decision__grid { grid-template-columns: 1fr; } }
body#hv_about .hv2-decision__photo { border-radius: var(--radius-m); overflow: hidden; order: 2; }
body#hv_about .hv2-decision__photo img { width: 100%; object-fit: cover; aspect-ratio: 4/3; }
@media (max-width: 900px) { body#hv_about .hv2-decision__photo { order: 1; } body#hv_about .hv2-decision__body { order: 2; } }
body#hv_about .hv2-checklist { margin: 26px 0 32px; display: flex; flex-direction: column; gap: 16px; }
body#hv_about .hv2-checklist__item { display: flex; gap: 14px; align-items: flex-start; }
body#hv_about .hv2-checklist__mark { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; margin-top: 2px; }
body#hv_about .hv2-checklist__title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
body#hv_about .hv2-checklist__text { font-size: 13.5px; color: var(--sub); line-height: 1.75; }
body#hv_about .hv2-decision__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

/* ============================================================
   07 FAQ — accordion
   ============================================================ */
body#hv_about .hv2-faq { background: var(--navy-tint); }
body#hv_about .hv2-faq__list { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
body#hv_about .hv2-faq__item { background: #fff; border-radius: var(--radius-m); overflow: hidden; border: 1px solid var(--border); }
body#hv_about .hv2-faq__q { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px; cursor: pointer; font-weight: 700; font-size: 15.5px; line-height: 1.6; }
body#hv_about .hv2-faq__q::-webkit-details-marker { display: none; }
body#hv_about .hv2-faq__q-mark { font-family: var(--font-en); font-weight: 700; color: var(--navy); margin-right: 4px; }
body#hv_about .hv2-faq__icon { flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--border); position: relative; }
body#hv_about .hv2-faq__icon::before, body#hv_about .hv2-faq__icon::after { content:""; position:absolute; background: var(--navy); left: 50%; top: 50%; transform: translate(-50%,-50%); transition: transform .2s ease; }
body#hv_about .hv2-faq__icon::before { width: 12px; height: 2px; }
body#hv_about .hv2-faq__icon::after { width: 2px; height: 12px; }
body#hv_about .hv2-faq__item[open] .hv2-faq__icon::after { transform: translate(-50%,-50%) rotate(90deg); opacity: 0; }
body#hv_about .hv2-faq__a { padding: 0 24px 24px 24px; font-size: 14.5px; line-height: 1.9; color: var(--sub); display: flex; gap: 10px; }
body#hv_about .hv2-faq__a-mark { font-family: var(--font-en); font-weight: 700; color: var(--gold); background: var(--ink); flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; }

/* ============================================================
   08 NEXT STEP
   ============================================================ */
body#hv_about .hv2-next { background: #fff; }
body#hv_about .hv2-next__grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 40px; }
@media (max-width: 900px) { body#hv_about .hv2-next__grid { grid-template-columns: 1fr; } }
body#hv_about .hv2-next__card { display: block; border: 1px solid var(--border); border-radius: var(--radius-m); padding: 28px 24px; transition: all .2s ease; }
body#hv_about .hv2-next__card:hover { border-color: var(--navy); transform: translateY(-4px); box-shadow: 0 16px 32px rgba(12,42,77,.1); }
body#hv_about .hv2-next__tag { font-family: var(--font-en); font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--navy); margin-bottom: 14px; }
body#hv_about .hv2-next__title { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
body#hv_about .hv2-next__text { font-size: 13.5px; color: var(--sub); line-height: 1.7; margin-bottom: 16px; }
body#hv_about .hv2-next__arrow { font-family: var(--font-en); font-weight: 700; color: var(--navy); }

/* ============================================================
   FINAL CTA
   ============================================================ */
body#hv_about .hv2-final { position: relative; color: #fff; padding: 96px 0; overflow: hidden; }
body#hv_about .hv2-final__bg { position: absolute; inset: 0; z-index: 0; }
body#hv_about .hv2-final__bg img { width: 100%; height: 100%; object-fit: cover; }
body#hv_about .hv2-final__bg::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(7,26,49,.88), rgba(7,26,49,.94)); }
body#hv_about .hv2-final__inner { position: relative; z-index: 1; max-width: 720px; }
body#hv_about .hv2-final__tag { font-family: var(--font-en); font-weight: 700; font-size: 12px; letter-spacing: .14em; color: var(--gold); margin-bottom: 18px; }
body#hv_about .hv2-final__title { font-size: clamp(26px,3.4vw,36px); font-weight: 700; line-height: 1.5; margin: 0 0 18px; }
body#hv_about .hv2-final__text { font-size: 15px; line-height: 1.9; color: rgba(255,255,255,.8); margin-bottom: 34px; }
body#hv_about .hv2-final__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; }
body#hv_about .hv2-final__disclaimer { font-size: 12px; color: rgba(255,255,255,.55); }

/* footer teaser paragraph (shared footer markup) keeps default styling from common-layout.css */


/* ===== BATCHB LP図解表示型オーバーライド（image-design-system v1.1 §7-2）2026-07-03 =====
   図解スロット限定: height:auto/contain・アスペクト比契約・写真調和フィルタ解除・ベール/装飾/キャプション重畳の解除。
   写真スロット（ヒーロー/CTA帯/longevity-tech背景カード）は不変更。 ===== */
body#hv_about .hv2-def__photo img,body#hv_about .hv2-markets__photo img,body#hv_about .hv2-decision__photo img{width:100%;height:auto;min-height:0;max-height:none;position:static;object-fit:contain;object-position:center;filter:none;mix-blend-mode:normal;aspect-ratio:4/3}
main figure:has(img[src$="/what-is/battery-detail.jpg"])::after,main figure:has(img[src$="/what-is/operation.jpg"])::after,main figure:has(img[src$="/what-is/meeting.jpg"])::after{content:none}

/* ===== headerfix2_20260704 ===== */

/* ===== HEADER/SP-MENU PORT from page03.css (headerfix_20260704+headercolor_20260704) 共通ヘッダー整合・緑固定 ===== */
.header{position: relative; z-index: 100; width: 100%; color: #000; background: #fff;}
.header *, .header *::before, .header *::after{box-sizing: border-box;}
.header__inner{width: 100%; padding: 0 50px;}
.header__top{display: flex; align-items: center; justify-content: space-between;}
.header__brand{padding-top: 0;}
.header__logo{display: block; width: 200px; line-height: 0;}
.header__logo img{display: block; width: 100%; height: auto;}
.header__tagline{margin: 10px 0 0; color: #000; font-size: 14px; font-weight: 500; line-height: 1.6;}
.header__utility{display: flex; align-items: center; gap: 30px;}
.header__lang{position: relative; flex: 0 0 auto;}
.header__lang-button{display: inline-flex; align-items: center; justify-content: center;
  width: 112px; height: 44px; padding: 0 14px;
  border: 1px solid #d9d9d9; border-radius: 6px;
  color: #000; background: #fff; font: inherit; font-size: 14px; font-weight: 500; line-height: 1; cursor: pointer;}
.header__lang-arrow{width: 7px; height: 7px; margin-left: 10px;
  border-right: 1px solid currentColor; border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg); transition: transform 0.2s ease;}
.header__lang.is-open .header__lang-arrow{transform: translateY(2px) rotate(225deg);}
.header__lang-menu{position: absolute; top: calc(100% + 8px); right: 0; z-index: 10;
  display: grid; width: 150px; padding: 8px;
  border: 1px solid #d9d9d9; border-radius: 6px; visibility: hidden; background: #fff;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.1); opacity: 0; transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;}
.header__lang.is-open .header__lang-menu{visibility: visible; opacity: 1; transform: translateY(0);}
.header__lang-link{display: block; padding: 10px 12px; border-radius: 4px; color: #000; font-size: 14px; font-weight: 400; line-height: 1.4; text-decoration: none;}
.header__lang-link.is-current{background: #EDF6F1; font-weight: 600;}
.header__actions{position: relative; top: -45px;
  display: flex; align-items: center; justify-content: center; gap: 20px;
  width: auto; padding: 100px 20px 20px;
  border-radius: 0 0 10px 10px; background: #1E8A58;}
.header__action-link{display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  min-height: 32px; padding: 0 10px;
  color: #fff; font-size: 16px; font-weight: 500; line-height: 1; white-space: nowrap; text-decoration: none;}
.header__action-link img{display: block; flex: 0 0 auto; width: auto; max-height: 18px;}
.header__nav{display: flex; align-items: center; justify-content: flex-end; gap: 30px; margin-top: 10px;}
.header__nav-link{color: #000; font-size: 17px; font-weight: 500; line-height: 1.4; text-decoration: none;}
.header__lang-button:focus-visible, .header__lang-link:focus-visible, .header__action-link:focus-visible, .header__nav-link:focus-visible, .header__logo:focus-visible{outline: 2px solid #1E8A58; outline-offset: 3px;}
.sp-menu{display: none;}
.sp-menu__button{position: fixed; top: 18px; right: 18px; z-index: 1002;
  display: none; width: 46px; height: 46px; padding: 12px 10px;
  border-radius: 50%; background: #0F4C30;
  box-shadow: 0 10px 28px rgba(15, 76, 48, 0.28);}
.sp-menu__line{display: block; width: 22px; height: 2px; margin: 4px auto; background: #fff; transition: transform 0.3s ease, opacity 0.3s ease;}
.sp-menu__panel{position: fixed; inset: 0; z-index: 1001;
  display: flex; visibility: hidden; flex-direction: column; justify-content: center;
  padding: 100px 30px 40px; color: #fff; background: rgba(15, 76, 48, 0.98);
  opacity: 0; transition: visibility 0.3s ease, opacity 0.3s ease;}
.sp-menu__nav{display: grid; gap: 4px;}
.sp-menu__link{padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.16); font-size: 18px; font-weight: 700; text-decoration: none;}
.sp-menu.is-open .sp-menu__panel{visibility: visible; opacity: 1;}
.sp-menu.is-open .sp-menu__line:nth-child(1){transform: translateY(6px) rotate(45deg);}
.sp-menu.is-open .sp-menu__line:nth-child(2){opacity: 0;}
.sp-menu.is-open .sp-menu__line:nth-child(3){transform: translateY(-6px) rotate(-45deg);}
@media (hover: hover) and (pointer: fine){
.header__lang-button:hover{border-color: #1E8A58;}
.header__lang-link:hover{background: #EDF6F1;}
.header__action-link:hover{opacity: 0.82;}
.header__nav-link:hover{color: #1E8A58;}
}
@media (max-width: 1250px){
.header__utility{gap: 20px;}
.header__nav{gap: 22px;}
}
@media (max-width: 1024px){
.header__inner{padding: 0 35px;}
.header__tagline{display: none;}
}
@media (max-width: 850px){
.header__inner{padding: 14px 30px;}
.header__top{align-items: center; gap: 16px;}
.header__logo{width: 160px;}
.header__utility{margin-left: auto;}
.header__lang-button{width: 98px; height: 40px; padding: 0 12px; font-size: 13px;}
.header__lang-menu{width: 140px;}
.header__actions, .header__nav{display: none;}
.sp-menu, .sp-menu__button{display: block;}
}
@media (max-width: 568px){
.header__inner{padding-right: 20px; padding-left: 20px;}
.header__logo{width: 145px;}
}

/* ===== FIX page19 hv-* navy (fixp19_20260706) — CSS/HTMLクラス不一致の是正 ===== */
/* 配信中page19.cssはhv2系向け（=実HTMLのhv系に不一致で全滅）。実HTMLの hv系 / power-flow / c-button / breadcrumb へ
   page18(ネイビー×金)実装値を移植。全ルールをbody#hv_aboutでスコープ（:rootトークンのみ例外）。
   既存行は不変更・追記のみ。ヘッダー/フッター/sp-menuは書かない（既存正常）。 */

:root {
  --p19-navy: #0C2A4D;
  --p19-deep: #071A31;
  --p19-tint: #F2F5F9;
  --p19-gold: #F5B500;
  --p19-goldline: #E3B94F;
  --p19-ink: #16181C;
  --p19-sub: #5A6270;
  --p19-border: #E2E5E8;
  --p19-white: #FFFFFF;
  --p19-en: "Barlow", Arial, Helvetica, sans-serif;
  --p19-maxw: 1200px;
  --p19-prose: 720px;
}

/* ---------- base / reset for main ---------- */
body#hv_about main.hv-about { overflow: clip; color: var(--p19-ink); background: #fff; }
body#hv_about main.hv-about *,
body#hv_about main.hv-about *::before,
body#hv_about main.hv-about *::after { box-sizing: border-box; }
body#hv_about main.hv-about img { max-width: 100%; height: auto; display: block; }
body#hv_about main.hv-about a { color: inherit; text-decoration: none; }
body#hv_about main.hv-about ul,
body#hv_about main.hv-about ol { list-style: none; margin: 0; padding: 0; }
body#hv_about main.hv-about h1,
body#hv_about main.hv-about h2,
body#hv_about main.hv-about h3,
body#hv_about main.hv-about p { margin: 0; }

/* ---------- shared containers / sections ---------- */
body#hv_about .hv-about__container {
  width: min(100% - 96px, var(--p19-maxw));
  margin-left: auto;
  margin-right: auto;
}
body#hv_about .hv-about__container--wide {
  width: min(100% - 96px, var(--p19-maxw));
  margin-left: auto;
  margin-right: auto;
}
body#hv_about .hv-about__section { padding: 96px 0; position: relative; background: #fff; }
body#hv_about .hv-about__section--soft { background: var(--p19-tint); }
body#hv_about .hv-about__section--surface { background: var(--p19-tint); }
body#hv_about .hv-overview,
body#hv_about .hv-market { position: relative; }

/* section eyebrow (英字kicker=Barlow 字間0.28em＋前置金罫) */
body#hv_about .hv-about__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--p19-navy);
  font-family: var(--p19-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  line-height: 1.4;
}
body#hv_about .hv-about__eyebrow::before {
  content: "";
  flex: 0 0 auto;
  width: 32px;
  height: 2px;
  background: var(--p19-gold);
}

/* section heading (h2=25px) + em accent */
body#hv_about .hv-about__heading {
  max-width: 760px;
  margin: 0 0 20px;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--p19-ink);
}
body#hv_about .hv-about__heading span { color: var(--p19-navy); }
body#hv_about .hv-about__heading--small { font-size: 25px; }

body#hv_about .hv-about__lead {
  max-width: var(--p19-prose);
  margin: 0 0 8px;
  color: var(--p19-sub);
  font-size: 18px;
  line-height: 1.9;
}
body#hv_about .hv-about__note {
  margin-top: 16px;
  color: var(--p19-sub);
  font-size: 13px;
  line-height: 1.8;
  border-left: 3px solid var(--p19-border);
  padding-left: 14px;
}

/* ---------- breadcrumb ---------- */
body#hv_about .breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--p19-border);
  background: #fff;
}
body#hv_about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  width: min(100% - 96px, var(--p19-maxw));
  margin: 0 auto;
  padding: 0;
  font-size: 13px;
  color: var(--p19-sub);
}
body#hv_about .breadcrumb__item { color: var(--p19-sub); }
body#hv_about .breadcrumb__item + .breadcrumb__item::before { content: "/"; margin-right: 8px; color: #9aa3ad; }
body#hv_about .breadcrumb__link { color: var(--p19-navy); }
body#hv_about .breadcrumb__link:hover { text-decoration: underline; }
body#hv_about .breadcrumb__item[aria-current="page"] { color: var(--p19-ink); font-weight: 500; }

/* ---------- shared c-button ---------- */
body#hv_about .c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 56px;
  padding: 0 32px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, filter .25s ease, border-color .25s ease, color .25s ease;
}
body#hv_about .c-button__arrow { font-family: var(--p19-en); font-size: 18px; font-weight: 400; transition: transform .2s ease; }
body#hv_about .c-button:hover .c-button__arrow { transform: translateX(3px); }
/* accent = 主CTA金地×インク */
body#hv_about .c-button--accent { color: var(--p19-ink); background: var(--p19-gold); box-shadow: 0 10px 26px rgba(245,181,0,.24); }
body#hv_about .c-button--accent:hover { transform: translateY(-2px); filter: brightness(.94); box-shadow: 0 16px 34px rgba(245,181,0,.32); }
/* primary = ネイビー地×白（白地セクションの主要導線） */
body#hv_about .c-button--primary { color: #fff; background: var(--p19-navy); box-shadow: 0 10px 26px rgba(12,42,77,.18); }
body#hv_about .c-button--primary:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 16px 34px rgba(12,42,77,.26); }
/* secondary = 白地上=ネイビーアウトライン */
body#hv_about .c-button--secondary { color: var(--p19-navy); border-color: var(--p19-border); background: transparent; }
body#hv_about .c-button--secondary:hover { border-color: var(--p19-navy); background: rgba(12,42,77,.04); }
body#hv_about .c-button:focus-visible { outline: 3px solid var(--p19-navy); outline-offset: 4px; }
body#hv_about .c-button--accent:focus-visible { outline-color: var(--p19-gold); }

/* ---------- HERO (navy grad × white + photo saturate/veil) ---------- */
body#hv_about .hv-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 96px 0;
  background: radial-gradient(120% 140% at 12% 0%, #12386a 0%, var(--p19-navy) 44%, var(--p19-deep) 100%);
}
body#hv_about .hv-hero::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  height: 1px; background: var(--p19-goldline); opacity: .4;
}
body#hv_about .hv-hero__inner {
  position: relative;
  z-index: 2;
  width: min(100% - 96px, var(--p19-maxw));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,460px);
  gap: 56px;
  align-items: center;
}
body#hv_about .hv-hero__content { max-width: 720px; }
body#hv_about .hv-hero__label {
  margin: 0 0 20px;
  color: var(--p19-goldline);
  font-family: var(--p19-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
body#hv_about .hv-hero__label::before {
  content: "";
  display: block;
  width: 40px; height: 2px;
  margin-bottom: 16px;
  background: var(--p19-gold);
}
body#hv_about .hv-hero__title {
  margin: 0 0 22px;
  font-size: 31px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .01em;
}
body#hv_about .hv-hero__title-small {
  display: block;
  margin-bottom: 12px;
  color: rgba(255,255,255,.72);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0;
}
body#hv_about .hv-hero__title-em { color: var(--p19-gold); }
body#hv_about .hv-hero__lead {
  max-width: 560px;
  margin: 0 0 32px;
  color: #DCE6F2;
  font-size: 18px;
  line-height: 1.9;
}
body#hv_about .hv-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
/* hero上のsecondary=白アウトライン（暗地） */
body#hv_about .hv-hero .c-button--secondary { color: #fff; border-color: rgba(255,255,255,.6); }
body#hv_about .hv-hero .c-button--secondary:hover { background: rgba(255,255,255,.08); border-color: #fff; }
body#hv_about .hv-hero .c-button:focus-visible { outline-color: #fff; }

body#hv_about .hv-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1px;
  max-width: 620px;
  background: rgba(255,255,255,.14);
  border-radius: 12px;
  overflow: hidden;
}
body#hv_about .hv-hero__fact { background: rgba(255,255,255,.05); padding: 18px 16px; }
body#hv_about .hv-hero__fact-main { display: block; margin-bottom: 4px; font-size: 16px; font-weight: 700; color: #fff; }
body#hv_about .hv-hero__fact-sub { display: block; font-size: 12px; color: rgba(255,255,255,.62); line-height: 1.6; }

/* hero photo slot: 彩度/暗幕のみ（写真スロット例外） */
body#hv_about .hv-hero__visual {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: 0 18px 48px rgba(7,26,49,.35);
}
body#hv_about .hv-hero__visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.75); }
body#hv_about .hv-hero__visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,26,49,.05) 45%, rgba(7,26,49,.7) 100%);
}
body#hv_about .hv-hero__caption {
  position: absolute; left: 16px; bottom: 14px; z-index: 2;
  color: #fff; font-size: 13px; font-weight: 500;
  background: rgba(7,26,49,.55); padding: 7px 14px; border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* ---------- THREE KEYS (overview) ---------- */
body#hv_about .hv-overview { padding: 96px 0; background: #fff; }
body#hv_about .hv-overview__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 24px;
}
body#hv_about .hv-overview__intro { grid-column: 1 / -1; }
body#hv_about .hv-overview__kicker {
  margin: 0 0 12px;
  color: var(--p19-navy);
  font-family: var(--p19-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 12px;
}
body#hv_about .hv-overview__kicker::before { content: ""; width: 32px; height: 2px; background: var(--p19-gold); }
body#hv_about .hv-overview__title { margin: 0; font-size: 25px; font-weight: 700; line-height: 1.5; color: var(--p19-ink); }
body#hv_about .hv-overview__item {
  position: relative;
  background: var(--p19-tint);
  border-radius: 12px;
  padding: 40px 28px 32px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
body#hv_about .hv-overview__number {
  position: absolute; right: 14px; top: -14px;
  font-family: var(--p19-en); font-weight: 700; font-size: 96px; line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px #D8E4F0;
  user-select: none;
}
body#hv_about .hv-overview__main { position: relative; margin-bottom: 10px; font-size: 20px; font-weight: 700; line-height: 1.5; color: var(--p19-navy); }
body#hv_about .hv-overview__sub { position: relative; font-size: 14px; line-height: 1.8; color: var(--p19-sub); }

/* ---------- 01 DEFINITION ---------- */
body#hv_about .hv-definition__layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,420px);
  gap: 56px;
  align-items: start;
  margin-top: 8px;
}
body#hv_about .hv-definition__statement {
  margin: 0 0 22px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--p19-ink);
}
body#hv_about .hv-definition__text { margin: 0; font-size: 16px; line-height: 1.9; color: var(--p19-sub); }
body#hv_about .hv-definition__text + .hv-about__note { margin-top: 16px; }

/* power-flow diagram */
body#hv_about .power-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: stretch;
}
body#hv_about .power-flow__node {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--p19-tint);
  border: 1px solid #E4ECF4;
  border-radius: 12px;
  padding: 20px;
  text-align: left;
}
body#hv_about .power-flow__node--battery { background: var(--p19-navy); border-color: var(--p19-navy); color: #fff; }
body#hv_about .power-flow__icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: rgba(12,42,77,.08);
  display: inline-flex; align-items: center; justify-content: center;
}
body#hv_about .power-flow__node--battery .power-flow__icon { background: rgba(255,255,255,.14); }
body#hv_about .power-flow__icon::before { content: ""; width: 16px; height: 16px; border-radius: 4px; background: var(--p19-navy); }
body#hv_about .power-flow__icon--battery::before { background: var(--p19-gold); }
body#hv_about .power-flow__icon--grid::before { border-radius: 50%; }
body#hv_about .power-flow__icon--market::before { transform: rotate(45deg); }
body#hv_about .power-flow__node--battery .power-flow__icon::before { background: var(--p19-gold); }
body#hv_about .power-flow__title { font-size: 16px; font-weight: 700; }
body#hv_about .power-flow__sub { font-size: 13px; line-height: 1.6; color: var(--p19-sub); }
body#hv_about .power-flow__node--battery .power-flow__sub { color: rgba(255,255,255,.78); }
body#hv_about .power-flow__arrow {
  display: flex; align-items: center; justify-content: center;
  min-height: 20px;
}
body#hv_about .power-flow__label {
  font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--p19-sub);
  position: relative; padding-top: 16px;
}
body#hv_about .power-flow__label::before {
  content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 2px; height: 12px; background: var(--p19-goldline);
}

/* QUESTIONS */
body#hv_about .hv-questions { margin-top: 48px; }
body#hv_about .hv-questions__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 20px;
}
body#hv_about .hv-questions__item {
  border: 1px solid var(--p19-border);
  border-radius: 12px;
  padding: 26px 24px;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
body#hv_about .hv-questions__item:hover { border-color: var(--p19-navy); box-shadow: 0 14px 30px rgba(12,42,77,.08); transform: translateY(-3px); }
body#hv_about .hv-questions__number {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--p19-ink);
  color: var(--p19-gold);
  font-family: var(--p19-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}
body#hv_about .hv-questions__title { margin: 0 0 10px; font-size: 20px; font-weight: 700; line-height: 1.6; color: var(--p19-ink); }
body#hv_about .hv-questions__text { margin: 0; font-size: 14px; line-height: 1.8; color: var(--p19-sub); }

/* ---------- 02 SCALE & SYSTEM ---------- */
body#hv_about .hv-scale__layout {
  display: grid;
  grid-template-columns: minmax(0,420px) minmax(0,1fr);
  gap: 48px;
  align-items: start;
  margin-top: 40px;
}
body#hv_about .hv-scale__photo { position: relative; border-radius: 12px; overflow: hidden; box-shadow: 0 18px 48px rgba(7,26,49,.12); }
body#hv_about .hv-scale__photo img { width: 100%; height: 100%; object-fit: cover; }
body#hv_about .hv-scale__badge {
  position: absolute; left: 16px; bottom: 16px; right: 16px;
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(7,26,49,.82);
  backdrop-filter: blur(4px);
  color: #fff;
}
body#hv_about .hv-scale__badge strong { font-size: 15px; font-weight: 700; }
body#hv_about .hv-scale__badge span { font-size: 12px; line-height: 1.6; color: rgba(255,255,255,.8); }
body#hv_about .hv-scale__table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 12px; }
body#hv_about .hv-scale__table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
  min-width: 520px;
}
body#hv_about .hv-scale__table th,
body#hv_about .hv-scale__table td {
  padding: 14px 16px;
  border: 1px solid var(--p19-border);
  text-align: left;
  line-height: 1.7;
  vertical-align: top;
}
body#hv_about .hv-scale__table thead th {
  background: var(--p19-navy);
  color: #fff;
  font-weight: 700;
}
body#hv_about .hv-scale__table tbody th { background: var(--p19-tint); color: var(--p19-ink); font-weight: 700; white-space: nowrap; }
body#hv_about .hv-scale__table tbody td { color: var(--p19-sub); }

/* ---------- 03 THREE MARKETS ---------- */
body#hv_about .hv-market__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 22px;
  margin-top: 40px;
}
body#hv_about .hv-market__card {
  position: relative;
  overflow: hidden;
  background: var(--p19-navy);
  color: #fff;
  border-radius: 12px;
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
}
body#hv_about .hv-market__card::before {
  content: ""; position: absolute; right: -30px; top: -30px;
  width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,181,0,.18), transparent 70%);
}
body#hv_about .hv-market__tag { position: relative; margin-bottom: 8px; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: #a9c3e0; }
body#hv_about .hv-market__title { position: relative; margin: 0 0 14px; font-size: 20px; font-weight: 700; }
body#hv_about .hv-market__definition { position: relative; margin: 0 0 18px; font-size: 14px; line-height: 1.85; color: rgba(255,255,255,.82); }
body#hv_about .hv-market__value { position: relative; margin-top: auto; border-top: 1px solid rgba(255,255,255,.18); padding-top: 14px; }
body#hv_about .hv-market__value-label { display: block; margin-bottom: 6px; font-family: var(--p19-en); font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--p19-gold); }
body#hv_about .hv-market__value-text { display: block; font-size: 13px; line-height: 1.7; color: #fff; }
body#hv_about .hv-market__source {
  margin-top: 24px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px;
  font-size: 13px; color: var(--p19-sub);
}
body#hv_about .hv-market__source a { color: var(--p19-navy); text-decoration: underline; }
body#hv_about .hv-market__source a:hover { color: var(--p19-deep); }

/* ---------- MID CTA band (deep×white×gold CTA) ---------- */
body#hv_about .hv-mid-cta { background: var(--p19-deep); color: #fff; padding: 64px 0; }
body#hv_about .hv-mid-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
body#hv_about .hv-mid-cta__title { margin: 0 0 8px; font-size: 25px; font-weight: 700; line-height: 1.5; }
body#hv_about .hv-mid-cta__text { margin: 0; max-width: 520px; font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.72); }

/* ---------- 04 PROJECT FLOW ---------- */
body#hv_about .hv-flow__layout {
  display: grid;
  grid-template-columns: minmax(0,420px) minmax(0,1fr);
  gap: 48px;
  align-items: start;
  margin-top: 40px;
}
body#hv_about .hv-flow__photo { border-radius: 12px; overflow: hidden; box-shadow: 0 18px 48px rgba(7,26,49,.12); position: sticky; top: 24px; }
body#hv_about .hv-flow__photo img { width: 100%; height: 100%; object-fit: cover; }
body#hv_about .hv-flow__steps { display: flex; flex-direction: column; gap: 16px; }
body#hv_about .hv-flow__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  border: 1px solid var(--p19-border);
  border-radius: 12px;
  padding: 22px 24px;
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
body#hv_about .hv-flow__step:hover { border-color: var(--p19-navy); box-shadow: 0 12px 26px rgba(12,42,77,.08); }
body#hv_about .hv-flow__number {
  width: 56px; height: 56px; border-radius: 50%;
  border: 2px solid var(--p19-navy); color: var(--p19-navy);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--p19-en); font-weight: 700; font-size: 20px;
  flex-shrink: 0;
}
body#hv_about .hv-flow__title { margin: 0 0 6px; font-size: 20px; font-weight: 700; line-height: 1.5; color: var(--p19-ink); }
body#hv_about .hv-flow__text { margin: 0 0 10px; font-size: 14px; line-height: 1.8; color: var(--p19-sub); }
body#hv_about .hv-flow__status {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--p19-tint);
  color: var(--p19-navy);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
}

/* ---------- 05 DUE DILIGENCE (quality) ---------- */
body#hv_about .hv-quality__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
  margin-top: 40px;
}
body#hv_about .hv-quality__card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #fff;
  border-radius: 12px;
  border-top: 3px solid var(--p19-navy);
  padding: 26px 22px;
  box-shadow: 0 10px 30px rgba(12,42,77,.06);
}
body#hv_about .hv-quality__icon {
  font-family: var(--p19-en); font-weight: 700; font-size: 14px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--p19-tint); color: var(--p19-navy);
  display: inline-flex; align-items: center; justify-content: center;
}
body#hv_about .hv-quality__title { margin: 0 0 8px; font-size: 20px; font-weight: 700; line-height: 1.5; color: var(--p19-ink); }
body#hv_about .hv-quality__text { margin: 0; font-size: 14px; line-height: 1.8; color: var(--p19-sub); }
body#hv_about .hv-quality__alert {
  margin-top: 32px;
  max-width: var(--p19-prose);
  border-left: 3px solid var(--p19-navy);
  padding: 4px 0 4px 18px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--p19-sub);
}

/* ---------- 06 REVIX SUPPORT ---------- */
body#hv_about .hv-support__layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,420px);
  gap: 56px;
  align-items: center;
  margin-top: 8px;
}
body#hv_about .hv-support__list { margin: 26px 0 32px; display: flex; flex-direction: column; gap: 16px; }
body#hv_about .hv-support__item { display: flex; gap: 14px; align-items: flex-start; }
body#hv_about .hv-support__check {
  flex-shrink: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--p19-navy); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; margin-top: 2px;
}
body#hv_about .hv-support__item > div { display: flex; flex-direction: column; gap: 4px; }
body#hv_about .hv-support__item strong { font-size: 16px; font-weight: 700; color: var(--p19-ink); }
body#hv_about .hv-support__item span { font-size: 14px; line-height: 1.75; color: var(--p19-sub); }
body#hv_about .hv-support__photo { border-radius: 12px; overflow: hidden; box-shadow: 0 18px 48px rgba(7,26,49,.12); }
body#hv_about .hv-support__photo img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 07 FAQ (accordion) ---------- */
body#hv_about .hv-faq__list { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
body#hv_about .hv-faq__item {
  background: #fff;
  border: 1px solid var(--p19-border);
  border-radius: 12px;
  overflow: hidden;
}
body#hv_about .hv-faq__question {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  position: relative;
}
body#hv_about .hv-faq__question::-webkit-details-marker { display: none; }
body#hv_about .hv-faq__question::after {
  content: "";
  margin-left: auto;
  flex-shrink: 0;
  width: 12px; height: 12px;
  border-right: 2px solid var(--p19-navy);
  border-bottom: 2px solid var(--p19-navy);
  transform: rotate(45deg);
  transition: transform .2s ease;
}
body#hv_about .hv-faq__item[open] .hv-faq__question::after { transform: rotate(-135deg); }
body#hv_about .hv-faq__mark {
  flex-shrink: 0;
  width: 26px; height: 26px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--p19-en); font-weight: 700; font-size: 13px;
  background: var(--p19-navy); color: #fff;
}
body#hv_about .hv-faq__question-text { flex: 1; }
body#hv_about .hv-faq__answer {
  display: flex;
  gap: 14px;
  padding: 0 24px 24px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--p19-sub);
}
body#hv_about .hv-faq__answer .hv-faq__mark { background: var(--p19-ink); color: var(--p19-gold); }
body#hv_about .hv-faq__answer > div { flex: 1; }

/* ---------- 08 NEXT STEP (related) ---------- */
body#hv_about .hv-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 20px;
  margin-top: 40px;
}
body#hv_about .hv-related__card {
  display: block;
  border: 1px solid var(--p19-border);
  border-radius: 12px;
  padding: 28px 24px;
  background: #fff;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
body#hv_about .hv-related__card:hover { transform: translateY(-4px); border-color: var(--p19-navy); box-shadow: 0 16px 32px rgba(12,42,77,.1); }
body#hv_about .hv-related__label { display: block; margin-bottom: 14px; font-family: var(--p19-en); font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--p19-navy); }
body#hv_about .hv-related__title { margin: 0 0 10px; font-size: 20px; font-weight: 700; line-height: 1.5; color: var(--p19-ink); }
body#hv_about .hv-related__text { margin: 0; font-size: 14px; line-height: 1.7; color: var(--p19-sub); }

/* ---------- FINAL CTA (deep photo band × white × gold CTA) ---------- */
body#hv_about .hv-final-cta {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 96px 0;
}
body#hv_about .hv-final-cta__media { position: absolute; inset: 0; z-index: 0; }
body#hv_about .hv-final-cta__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.75); }
body#hv_about .hv-final-cta__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,26,49,.88), rgba(7,26,49,.94));
}
body#hv_about .hv-final-cta__content { position: relative; z-index: 1; max-width: 720px; }
body#hv_about .hv-final-cta__eyebrow {
  margin: 0 0 18px;
  color: var(--p19-goldline);
  font-family: var(--p19-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
}
body#hv_about .hv-final-cta__title { margin: 0 0 18px; font-size: 31px; font-weight: 700; line-height: 1.4; }
body#hv_about .hv-final-cta__text { margin: 0 0 34px; font-size: 16px; line-height: 1.9; color: rgba(255,255,255,.82); }
body#hv_about .hv-final-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 20px; }
body#hv_about .hv-final-cta .c-button--secondary { color: #fff; border-color: rgba(255,255,255,.6); }
body#hv_about .hv-final-cta .c-button--secondary:hover { background: rgba(255,255,255,.08); border-color: #fff; }
body#hv_about .hv-final-cta .c-button:focus-visible { outline-color: #fff; }
body#hv_about .hv-final-cta .hv-about__note { color: rgba(255,255,255,.6); border-left-color: rgba(255,255,255,.3); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  body#hv_about .hv-about__container,
  body#hv_about .hv-about__container--wide { width: min(100% - 40px, 680px); }
  body#hv_about .breadcrumb__list { width: min(100% - 40px, 680px); }
  body#hv_about .hv-about__section { padding: 48px 0; }
  body#hv_about .hv-overview { padding: 48px 0; }
  body#hv_about .hv-mid-cta { padding: 48px 0; }

  body#hv_about .hv-hero { padding: 56px 0; }
  body#hv_about .hv-hero__inner { width: min(100% - 40px, 680px); grid-template-columns: 1fr; gap: 32px; }
  body#hv_about .hv-hero__title { font-size: 25px; }

  body#hv_about .hv-about__heading,
  body#hv_about .hv-about__heading--small,
  body#hv_about .hv-overview__title,
  body#hv_about .hv-mid-cta__title,
  body#hv_about .hv-final-cta__title { font-size: 20px; }
  body#hv_about .hv-about__lead { font-size: 16px; }

  body#hv_about .hv-overview__grid { grid-template-columns: 1fr; }
  body#hv_about .hv-definition__layout { grid-template-columns: 1fr; gap: 32px; }
  body#hv_about .hv-questions__grid { grid-template-columns: 1fr; }
  body#hv_about .hv-scale__layout { grid-template-columns: 1fr; gap: 24px; }
  body#hv_about .hv-market__grid { grid-template-columns: 1fr; }
  body#hv_about .hv-flow__layout { grid-template-columns: 1fr; gap: 24px; }
  body#hv_about .hv-flow__photo { position: static; }
  body#hv_about .hv-quality__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  body#hv_about .hv-support__layout { grid-template-columns: 1fr; gap: 32px; }
  body#hv_about .hv-related__grid { grid-template-columns: 1fr; }
  body#hv_about .hv-final-cta__title { font-size: 25px; }
}

@media (max-width: 560px) {
  body#hv_about .c-button { width: 100%; }
  body#hv_about .hv-hero__facts { grid-template-columns: 1fr; }
  body#hv_about .hv-quality__grid { grid-template-columns: 1fr; }
  body#hv_about .hv-flow__step { grid-template-columns: 1fr; gap: 14px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  body#hv_about main.hv-about *,
  body#hv_about main.hv-about *::before,
  body#hv_about main.hv-about *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}


/* --- skip-link（本文へ移動）: 通常は画面外へ隠しフォーカス時のみ表示。page19.cssに元来欠落していた分を補う（page18準拠） --- */
body#hv_about .skip-link{position:fixed;top:10px;left:10px;z-index:9999;padding:10px 16px;color:#16181C;background:#F5B500;text-decoration:none;border-radius:6px;transform:translateY(-160%);}
body#hv_about .skip-link:focus{transform:translateY(0);}

/* ===== FIX page19 footer port from page18 (footfix_20260706) ===== */
body#hv_about .footer {
  color: #000;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}
body#hv_about .footer__inner {
  box-sizing: border-box;
  margin: 100px 0;
  padding: 0 50px;
}
body#hv_about .footer__top {
  display: flex;
}
body#hv_about .footer__intro {
  display: flex;
  flex: 0 0 400px;
  flex-direction: column;
}
body#hv_about .footer__copy {
  display: block;
  width: 355px;
  margin: 0;
}
body#hv_about .footer__copy img {
  display: block;
  width: 100%;
  height: auto;
}
body#hv_about .footer__description {
  display: block;
  margin: 30px 0 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.9;
}
body#hv_about .footer__nav {
  width: calc(100% - 400px);
}
body#hv_about .footer__columns {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 0;
  padding: 24px 0 28px;
  list-style: none;
}
body#hv_about .footer__column {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  width: 33.3333333333%;
  padding: 0 35px;
  gap: 10px;
}
body#hv_about .footer__column--center {
  border-left: 1px dotted var(--border);
}
body#hv_about .footer__heading {
  display: flex;
  align-items: center;
  color: #000;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  text-decoration: none;
}
body#hv_about .footer__heading--spaced {
  margin-top: 15px;
}
body#hv_about .footer__heading span {
  position: relative;
  bottom: -1px;
  display: block;
  width: 17px;
  margin-left: 5px;
  border-radius: 50%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--theme) 0%, #16447e 100%);
}
body#hv_about .footer__heading span::before {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: block;
  width: 7px;
  content: "";
  transform: translate(-25%, -50%);
  clip-path: polygon(0 15%, 15% 0, 65% 50%, 15% 100%, 0 85%, 35% 50%, 0 15%);
  aspect-ratio: 1;
  background-color: #fff;
}
body#hv_about .footer__group {
  margin: 0;
}
body#hv_about .footer__summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #000;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  cursor: pointer;
  transition: color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
}
body#hv_about .footer__summary::-webkit-details-marker {
  display: none;
}
body#hv_about .footer__summary::after {
  display: block;
  width: 13px;
  content: "";
  transition: color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
  clip-path: polygon(0 45%, 45% 45%, 45% 0, 55% 0, 55% 45%, 100% 45%, 100% 55%, 55% 55%, 55% 100%, 45% 100%, 45% 55%, 0 55%);
  aspect-ratio: 1;
  background-color: #000;
}
body#hv_about .footer__group[open] .footer__summary::after {
  clip-path: polygon(0 45%, 100% 45%, 100% 55%, 0 55%);
}
body#hv_about .footer__links {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  margin: 5px 0;
  padding: 15px;
  border-radius: 6px;
  background-color: var(--theme-tint);
}
body#hv_about .footer__nav-link {
  display: block;
  color: #000;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  text-decoration: none;
  transition: color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
}
body#hv_about .footer__bottom {
  display: flex;
  align-items: flex-start;
  margin-top: 50px;
}
body#hv_about .footer__company {
  display: flex;
  flex-direction: column;
  gap: 20px 0;
}
body#hv_about .footer__brand-row {
  display: flex;
  align-items: center;
  gap: 0 30px;
}
body#hv_about .footer__logo {
  display: block;
  width: 200px;
}
body#hv_about .footer__bess {
  display: block;
  width: 170px;
}
body#hv_about .footer__logo img,
body#hv_about .footer__bess img {
  display: block;
  width: 100%;
  height: auto;
}
body#hv_about .footer__link {
  display: flex;
  align-items: center;
  gap: 0 5px;
  color: #000;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  text-decoration: none;
}
body#hv_about .footer__link span {
  display: block;
  width: 15px;
  line-height: 1;
}
body#hv_about .footer__link img {
  display: block;
  width: 100%;
  height: auto;
}
body#hv_about .footer__copyright {
  margin: 0;
  color: #000;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.6;
}
body#hv_about .footer__copyright--mobile {
  display: none;
}
@media (hover: hover) and (pointer: fine) {
  body#hv_about .footer__heading:hover,
body#hv_about .footer__summary:hover,
body#hv_about .footer__nav-link:hover,
body#hv_about .footer__link:hover {
    color: var(--theme);
  }
  body#hv_about .footer__summary:hover::after {
    background-color: var(--theme);
  }
}
@media (max-width: 1350px) {
  body#hv_about .footer__top {
    flex-direction: column;
  }
  body#hv_about .footer__intro {
    flex-basis: auto;
    width: 100%;
  }
  body#hv_about .footer__description br {
    display: none;
  }
  body#hv_about .footer__nav {
    width: 100%;
    margin-top: 50px;
  }
  body#hv_about .footer__column {
    width: 31.6666666667%;
    padding: 0;
  }
}
@media (max-width: 850px) {
  body#hv_about .footer__inner {
    margin: 50px 0;
    padding: 0 30px;
  }
  body#hv_about .footer__intro {
    align-items: center;
  }
  body#hv_about .footer__copy {
    width: 300px;
  }
  body#hv_about .footer__description {
    max-width: 500px;
    margin: 10px auto 0;
    text-align: center;
  }
  body#hv_about .footer__nav {
    display: none;
  }
  body#hv_about .footer__bottom {
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
  }
  body#hv_about .footer__brand-row {
    flex-direction: column;
    align-items: center;
    gap: 20px 0;
    width: 100%;
  }
  body#hv_about .footer__copyright--desktop {
    display: none;
  }
  body#hv_about .footer__company {
    align-items: center;
    width: 100%;
    gap: 24px 0;
  }
  body#hv_about .footer__logo {
    width: 180px;
  }
  body#hv_about .footer__bess {
    width: 150px;
  }
  body#hv_about .footer__link {
    justify-content: center;
    font-size: 13px;
  }
  body#hv_about .footer__copyright--mobile {
    display: block;
    margin-top: 30px;
    text-align: center;
  }
}
@media (max-width: 568px) {
  body#hv_about .footer__inner {
    padding: 0 20px;
  }
  body#hv_about .footer__copy {
    width: min(100%, 300px);
  }
}