:root {
  --gb-green: #76b900;
  --gb-green-bright: #9ee300;
  --gb-ink: #070907;
  --gb-panel: #111510;
  --gb-line: rgba(158, 227, 0, 0.22);
}

.gb300-refresh {
  color: #fff;
  background: var(--gb-ink);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  overflow: hidden;
}

.gb300-refresh *,
.gb300-refresh *::before,
.gb300-refresh *::after { box-sizing: border-box; }

.gb300-shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; position: relative; z-index: 2; }

.gb300-hero {
  min-height: 860px;
  padding: 124px 0 0;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  isolation: isolate;
  background: radial-gradient(circle at 72% 40%, rgba(118,185,0,.12), transparent 34%), linear-gradient(145deg, #0c100b 0%, #050705 58%, #090d08 100%);
}

.gb300-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(var(--gb-line) 1px, transparent 1px), linear-gradient(90deg, var(--gb-line) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000 0%, transparent 88%); }
.gb300-glow { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .18; pointer-events: none; }
.gb300-glow-a { width: 420px; height: 420px; background: var(--gb-green); right: -120px; top: 80px; }
.gb300-glow-b { width: 240px; height: 240px; background: #caff6a; left: -100px; bottom: 60px; }

.gb300-hero-layout { display: grid; grid-template-columns: 1.32fr .68fr; align-items: center; gap: 18px; flex: 1; }
.gb300-hero-copy { padding: 48px 0 72px; }
.gb300-kicker { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; color: #c8d1c4; font-size: 13px; font-weight: 700; letter-spacing: .19em; }
.gb300-kicker span { width: 36px; height: 2px; background: var(--gb-green-bright); box-shadow: 0 0 14px var(--gb-green); }
.gb300-hero h1 { margin: 0; max-width: none; font-size: clamp(28px, 3.1vw, 42px); line-height: 1.28; letter-spacing: -.045em; font-weight: 900; }
.gb300-title-line { display: block; white-space: nowrap; }
.gb300-sublead { margin: 30px 0 8px; color: #b9c0b6; font-size: clamp(15px, 1.3vw, 19px); line-height: 1.85; }
.gb300-lead { margin: 0; font-size: clamp(21px, 2vw, 30px); line-height: 1.55; font-weight: 700; }
.gb300-lead strong { color: var(--gb-green-bright); font-size: 1.25em; }
.gb300-actions { display: flex; gap: 14px; align-items: center; margin-top: 36px; }
.gb300-primary, .gb300-secondary { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; padding: 0 28px; font-weight: 800; text-decoration: none; transition: .22s ease; }
.gb300-primary { background: var(--gb-green); color: #071000; border: 1px solid var(--gb-green); box-shadow: 0 0 28px rgba(118,185,0,.22); }
.gb300-primary:hover { background: var(--gb-green-bright); border-color: var(--gb-green-bright); transform: translateY(-2px); }
.gb300-secondary { border: 1px solid rgba(255,255,255,.24); color: #fff; gap: 18px; }
.gb300-secondary:hover { border-color: var(--gb-green); color: var(--gb-green-bright); }

.gb300-hero-visual { position: relative; min-height: 560px; display: flex; align-items: center; justify-content: center; }
.gb300-hero-visual img { position: relative; z-index: 2; width: min(132%, 760px); max-width: none; height: auto; transform: translateX(2%); mix-blend-mode: screen; -webkit-mask-image: radial-gradient(ellipse 82% 84% at 52% 56%, #000 64%, transparent 100%); mask-image: radial-gradient(ellipse 82% 84% at 52% 56%, #000 64%, transparent 100%); filter: drop-shadow(0 35px 60px rgba(0,0,0,.7)); }
.gb300-product-halo { position: absolute; z-index: 1; width: 88%; aspect-ratio: 1; border: 1px solid rgba(158,227,0,.28); border-radius: 50%; box-shadow: inset 0 0 70px rgba(118,185,0,.06), 0 0 90px rgba(118,185,0,.1); }
.gb300-product-halo::before, .gb300-product-halo::after { content: ""; position: absolute; inset: 12%; border: 1px dashed rgba(158,227,0,.18); border-radius: 50%; }
.gb300-product-halo::after { inset: 26%; border-style: solid; }
.gb300-chip { position: absolute; z-index: 3; right: 4%; bottom: 42px; padding: 12px 16px; background: rgba(5,9,4,.88); border-left: 3px solid var(--gb-green-bright); box-shadow: 0 12px 30px rgba(0,0,0,.4); backdrop-filter: blur(12px); }
.gb300-chip span, .gb300-chip small { display: block; }
.gb300-chip span { color: var(--gb-green-bright); font-size: 20px; font-weight: 900; letter-spacing: .08em; }
.gb300-chip small { color: #cad2c7; font-size: 11px; margin-top: 2px; }

.gb300-spec-strip { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); width: min(1180px, calc(100% - 48px)); margin: 0 auto; background: rgba(15,19,14,.94); border-top: 1px solid var(--gb-line); border-left: 1px solid var(--gb-line); border-right: 1px solid var(--gb-line); }
.gb300-spec-strip > div { min-height: 102px; padding: 18px 32px; display: grid; grid-template-columns: auto 1fr; align-items: baseline; column-gap: 8px; border-right: 1px solid var(--gb-line); }
.gb300-spec-strip > div:last-child { border-right: 0; }
.gb300-spec-strip strong { color: var(--gb-green-bright); font-size: 40px; line-height: 1; }
.gb300-spec-strip span { font-size: 17px; font-weight: 800; }
.gb300-spec-strip small { grid-column: 1 / -1; color: #8e988a; font-size: 12px; letter-spacing: .08em; }

.gb300-overview, .gb300-features { padding: 112px 0; position: relative; }
.gb300-overview { background: linear-gradient(180deg, #111510 0%, #080a08 100%); }
.gb300-overview::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 10% 15%, rgba(118,185,0,.08), transparent 30%); pointer-events: none; }
.gb300-section-heading { max-width: 790px; margin: 0 auto 56px; text-align: center; }
.gb300-section-heading > p:first-child { margin: 0 0 16px; color: var(--gb-green-bright); font-size: 12px; font-weight: 800; letter-spacing: .24em; }
.gb300-section-heading h2 { margin: 0; font-size: clamp(36px, 4.7vw, 64px); line-height: 1.16; letter-spacing: -.035em; }
.gb300-section-heading h2 span { color: var(--gb-green-bright); }
.gb300-section-note { color: #aeb8aa; font-size: 16px; line-height: 1.9; margin: 24px auto 0; max-width: 680px; }
.gb300-section-heading-left { max-width: none; text-align: left; margin: 0 0 48px; }
.gb300-section-heading-left h2 { white-space: nowrap; }
.gb300-feature-accent { margin-left: .3em; }

.gb300-overview-grid { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: stretch; }
.gb300-copy-card {
  padding: clamp(38px, 5vw, 68px) clamp(24px, 4.7vw, 62px);
  background: #fff;
  color: #050805;
  text-align: center;
  border: 1px solid #e1e5de;
  box-shadow: 0 28px 80px rgba(0,0,0,.34);
}
.gb300-copy-eyebrow { margin: 0 0 14px !important; color: #619700; font-size: 11px !important; font-weight: 900; letter-spacing: .2em; }
.gb300-copy-card h2 { margin: 0 0 24px; font-size: clamp(27px, 3.5vw, 44px); line-height: 1.3; letter-spacing: -.035em; font-weight: 900; }
.gb300-copy-card > p:last-child { margin: 0 auto; max-width: 1080px; font-size: clamp(15px, 1.6vw, 21px); line-height: 2.05; letter-spacing: .01em; font-weight: 500; text-wrap: pretty; }
.gb300-copy-card sup { font-size: .56em; vertical-align: super; }
.gb300-term { border-bottom: 2px solid var(--gb-green); padding-bottom: .08em; }

.gb300-media-card { overflow: hidden; border: 1px solid rgba(255,255,255,.09); box-shadow: 0 28px 80px rgba(0,0,0,.34); }
.gb300-media-card img { display: block; width: 100%; height: auto; }
.gb300-media-light { background: #fff; padding: 18px; }
.gb300-media-dark { margin-top: 28px; padding: 24px; background: #000; border-color: var(--gb-line); }
.gb300-performance-card { margin-top: 0; padding: 24px; display: flex; align-items: center; justify-content: center; }
.gb300-performance-card img { width: 100%; height: auto; margin-top: -18px; margin-bottom: -18px; clip-path: inset(18px 0 0 0); }
.gb300-card-label { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; color: #dbe4d8; font-weight: 700; }
.gb300-card-label span { padding: 6px 9px; background: var(--gb-green); color: #071000; font-size: 10px; letter-spacing: .15em; }
.gb300-source { display: inline-flex; gap: 10px; align-items: center; margin-top: 28px; color: #d9e0d6; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--gb-green); padding-bottom: 6px; }
.gb300-source:hover { color: var(--gb-green-bright); }

.gb300-features { background: #f1f2ef; color: #0a0d09; }
.gb300-features::after { content: ""; position: absolute; top: 0; right: 0; width: 36%; height: 8px; background: var(--gb-green); }
.gb300-feature-card { background: #eee; border-color: #d6d8d3; box-shadow: 0 26px 70px rgba(19,27,15,.12); }
.gb300-feature-footer { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 36px; margin-top: 28px; }
.gb300-feature-footer p { margin: 0; max-width: 720px; color: #465044; line-height: 1.8; }
.gb300-feature-footer .gb300-source { color: #182014; white-space: nowrap; }
.gb300-feature-footer .gb300-source:hover { color: #4e7d00; }

@media (max-width: 900px) {
  .gb300-hero { min-height: auto; padding-top: 100px; }
  .gb300-hero-layout { grid-template-columns: 1fr; }
  .gb300-hero-copy { padding: 40px 0 12px; }
  .gb300-hero-visual { min-height: 400px; }
  .gb300-hero-visual img { width: min(94%, 560px); }
  .gb300-chip { right: 6%; bottom: 40px; }
  .gb300-spec-strip { margin-top: 30px; }
  .gb300-feature-footer { grid-template-columns: 1fr; gap: 8px; }
  .gb300-overview-grid { grid-template-columns: 1fr; }
  .gb300-copy-card { text-align: center; }
  .gb300-copy-card > p:last-child { font-size: 16px; }
}

@media (max-width: 640px) {
  .gb300-shell, .gb300-spec-strip { width: min(100% - 32px, 1180px); }
  .gb300-hero { padding-top: 86px; }
  .gb300-kicker { font-size: 10px; letter-spacing: .13em; }
  .gb300-hero h1 { font-size: clamp(22px, 5.8vw, 32px); line-height: 1.3; letter-spacing: -.05em; }
  .gb300-desktop-break { display: none; }
  .gb300-sublead { margin-top: 24px; }
  .gb300-actions { align-items: stretch; flex-direction: column; }
  .gb300-primary, .gb300-secondary { width: 100%; }
  .gb300-hero-visual { min-height: 310px; }
  .gb300-chip { right: 0; bottom: 18px; }
  .gb300-spec-strip { grid-template-columns: 1fr; border-bottom: 1px solid var(--gb-line); }
  .gb300-spec-strip > div { min-height: 82px; border-right: 0; border-bottom: 1px solid var(--gb-line); padding: 16px 22px; }
  .gb300-spec-strip > div:last-child { border-bottom: 0; }
  .gb300-overview, .gb300-features { padding: 78px 0; }
  .gb300-section-heading { margin-bottom: 38px; }
  .gb300-section-heading h2 { font-size: 36px; }
  .gb300-section-heading-left h2 { white-space: normal; }
  .gb300-copy-card { padding: 34px 22px; }
  .gb300-copy-card h2 { font-size: 27px; }
  .gb300-copy-card > p:last-child { text-align: left; font-size: 15px; line-height: 1.95; }
  .gb300-media-light, .gb300-media-dark { padding: 8px; }
  .gb300-media-card { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .gb300-media-light img, .gb300-media-dark img { min-width: 720px; }
  .gb300-feature-card img { min-width: 860px; }
  .gb300-card-label { display: block; font-size: 13px; line-height: 1.6; }
  .gb300-card-label span { display: table; margin-bottom: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  .gb300-refresh *, .gb300-refresh *::before, .gb300-refresh *::after { scroll-behavior: auto !important; transition: none !important; }
}
