:root {
  --bg: #090909;
  --bg-soft: #111111;
  --surface: #151515;
  --surface-2: #1b1b1b;
  --text: #f5f5f2;
  --muted: #a6a6a1;
  --line: rgba(255,255,255,.14);
  --red: #ef2b2d;
  --red-deep: #bc1519;
  --white: #fff;
  --shell: min(1180px, calc(100vw - 48px));
  --sans: 'Noto Sans JP', 'Noto Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --display: 'Noto Sans JP', 'Noto Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --tracking-body: .015em;
  --tracking-ui: .045em;
  --shadow: 0 28px 80px rgba(0,0,0,.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-kerning: normal; font-feature-settings: 'kern' 1, 'palt' 1; font-synthesis: none; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; letter-spacing: var(--tracking-body); line-height: 1.86; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }
/* Japanese display typography: explicitly enable proportional alternate metrics on headings. */
h1, h2, h3, .button, .site-nav, .faq summary { font-kerning: normal; font-feature-settings: 'kern' 1, 'palt' 1; }
/* Deterministic punctuation compaction for large Japanese display copy. */
.jp-punct { display: inline-block; width: .54em; margin: 0; letter-spacing: 0; font-feature-settings: 'kern' 1, 'palt' 1; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
::selection { background: var(--red); color: white; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 120px 0; }
.desktop-only { display: initial; }

.skip-link { position: fixed; z-index: 9999; left: 16px; top: 12px; transform: translateY(-160%); background: white; color: black; padding: 10px 16px; font-weight: 800; }
.skip-link:focus { transform: none; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; transition: background .35s ease, border-color .35s ease, transform .35s ease; border-bottom: 1px solid transparent; }
.site-header.is-scrolled { background: rgba(6,6,6,.90); backdrop-filter: blur(16px); border-color: rgba(255,255,255,.09); }
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: flex-end; gap: 11px; flex: 0 0 auto; }
.brand img { width: 122px; height: auto; }
.brand span { font: 700 15px/1.2 var(--display); letter-spacing: .14em; padding-bottom: 2px; }
.site-nav { display: flex; align-items: center; gap: 29px; }
.site-nav > a { font: 700 13px/1.25 var(--display); letter-spacing: .065em; position: relative; }
.site-nav > a:not(.nav-cta)::after { content: ''; position: absolute; height: 2px; left: 0; right: 100%; bottom: -8px; background: var(--red); transition: right .25s ease; }
.site-nav > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 14px 19px; background: var(--red); transition: background .25s ease, transform .25s ease; }
.nav-cta:hover { background: #ff3c3e; transform: translateY(-2px); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: white; padding: 9px; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; background: currentColor; margin: 6px 0; transition: transform .25s, opacity .25s; }

.hero { min-height: 100svh; position: relative; display: flex; align-items: flex-end; isolation: isolate; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: -4; background-image: url('../../img/hero-gr86.png'); background-size: cover; background-position: center 58%; transform: scale(1.025); animation: heroZoom 16s ease-out both; }
.hero-shade { position: absolute; inset: 0; z-index: -3; background: linear-gradient(90deg, rgba(0,0,0,.94) 0%, rgba(0,0,0,.74) 38%, rgba(0,0,0,.24) 68%, rgba(0,0,0,.28) 100%), linear-gradient(0deg, rgba(0,0,0,.78), transparent 46%); }
.hero-grain { position: absolute; inset: 0; z-index: -2; opacity: .15; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E"); }
.hero-content { padding-top: 160px; padding-bottom: 118px; }
.eyebrow, .section-kicker { font: 700 13px/1.35 var(--display); letter-spacing: .11em; color: #c8c8c3; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.eyebrow span { width: 32px; height: 3px; background: var(--red); }
.hero h1 { margin: 0; max-width: 980px; font: 900 clamp(64px, 7.5vw, 120px)/.88 var(--display); letter-spacing: -.045em; text-transform: uppercase; }
.hero h1 em { color: var(--red); font-style: italic; }
.hero-lead { margin: 34px 0 0; font-size: clamp(17px, 1.45vw, 21px); font-weight: 600; line-height: 1.95; letter-spacing: .025em; max-width: 650px; text-shadow: 0 2px 24px #000; }
.hero-actions, .dealer-actions, .vehicle-actions { margin-top: 38px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 56px; padding: 0 25px; border: 1px solid transparent; font: 700 14px/1.35 var(--sans); letter-spacing: .025em; transition: transform .25s ease, background .25s ease, border-color .25s ease; }
.button span { margin-left: 10px; font-size: 18px; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--red); color: white; }
.button-primary:hover { background: #ff3d3f; }
.button-ghost { border-color: rgba(255,255,255,.40); background: rgba(10,10,10,.12); backdrop-filter: blur(8px); }
.button-ghost:hover { border-color: white; background: rgba(255,255,255,.07); }
.button-light { background: white; color: #0a0a0a; }
.button-light:hover { background: #eee; }
.dealer-note { margin-top: 32px; font: 600 12px/1.55 var(--display); color: #c7c7c2; letter-spacing: .095em; }
.dealer-note strong { color: white; }
.scroll-cue { position: fixed; right: 28px; top: 58%; z-index: 89; display: grid; justify-items: center; gap: 12px; font: 700 10px/1.2 var(--display); letter-spacing: .14em; color: #d6d6d0; writing-mode: vertical-rl; transform: translateY(-50%); opacity: .88; transition: opacity .25s ease, color .25s ease, transform .25s ease; }
.scroll-cue:hover, .scroll-cue:focus-visible { opacity: 1; color: #fff; transform: translateY(-50%) translateY(-3px); }
.scroll-cue[data-direction="top"] { color: #fff; }
.scroll-cue i { display: block; width: 1px; height: 52px; background: rgba(255,255,255,.5); position: relative; overflow: hidden; }
.scroll-cue i::after { content: ''; position: absolute; inset: -50% 0 auto; height: 45%; background: white; animation: scrollLine 1.8s infinite ease-in-out; }
.scroll-cue[data-direction="top"] i { transform: rotate(180deg); }

.ticker { background: var(--red); color: white; overflow: hidden; border-block: 1px solid rgba(255,255,255,.18); }
.ticker-track { width: max-content; display: flex; align-items: center; gap: 26px; padding: 17px 0; animation: ticker 28s linear infinite; }
.ticker span { font: 800 24px/1.25 var(--display); letter-spacing: .055em; white-space: nowrap; }
.ticker b { font: 700 20px/1.25 var(--display); opacity: .7; }

.section-kicker { margin: 0 0 19px; color: var(--red); }
.section h2 { margin: 0; font: 800 clamp(44px, 4.8vw, 72px)/1.14 var(--display); text-transform: uppercase; letter-spacing: -.025em; }
.story-grid { display: grid; grid-template-columns: 1fr 1.12fr; gap: 84px; align-items: center; }
.story-copy > p:not(.section-kicker) { color: #c4c4bf; font-size: 16px; line-height: 1.95; letter-spacing: .02em; max-width: 620px; }
.story-copy > p:nth-of-type(2) { margin-top: 32px; }
.text-link { display: inline-flex; align-items: center; gap: 11px; margin-top: 22px; font-size: 14px; font-weight: 700; line-height: 1.55; letter-spacing: .02em; border-bottom: 1px solid rgba(255,255,255,.4); padding-bottom: 5px; }
.text-link span { color: var(--red); }
.story-visual { position: relative; min-height: 520px; }
.story-visual img { width: 100%; height: 520px; object-fit: cover; filter: saturate(.88) contrast(1.08); }
.story-visual::before { content: ''; position: absolute; z-index: 2; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); pointer-events: none; }
.story-stamp { position: absolute; z-index: 3; right: -26px; bottom: -34px; width: 154px; aspect-ratio: 1; border-radius: 50%; background: var(--red); color: white; display: grid; place-content: center; text-align: center; transform: rotate(-6deg); box-shadow: var(--shadow); }
.story-stamp span, .story-stamp small { font: 700 10px/1.25 var(--display); letter-spacing: .11em; }
.story-stamp strong { font: 900 45px/1 var(--display); letter-spacing: -.04em; }
.value-grid { margin-top: 102px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-card { position: relative; padding: 42px 32px 46px 0; min-height: 250px; }
.value-card + .value-card { padding-left: 32px; border-left: 1px solid var(--line); }
.value-index { color: var(--red); font: 700 12px/1.25 var(--display); letter-spacing: .08em; }
.value-card h3 { margin: 40px 0 12px; font: 800 28px/1.2 var(--display); letter-spacing: -.01em; }
.value-card p { margin: 0; color: #9f9f9a; font-size: 14px; line-height: 1.9; letter-spacing: .015em; }

.armor { background: #f0f0ed; color: #0b0b0b; }
.section-head { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 70px; margin-bottom: 58px; }
.section-head p:last-child { margin: 0 0 5px; color: #555651; font-size: 15px; line-height: 1.9; letter-spacing: .015em; }
.armor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.armor-card { background: white; border: 1px solid #d8d8d3; overflow: hidden; }
.armor-image-wrap { height: 370px; background: #dcdcd8; overflow: hidden; position: relative; }
.armor-image-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.2,.7,.2,1); }
.armor-card:hover img { transform: scale(1.035); }
.armor-tag { position: absolute; top: 16px; left: 16px; background: var(--red); color: white; padding: 8px 11px; font: 800 10px/1.3 var(--display); letter-spacing: .08em; }
.armor-body { padding: 30px 32px 34px; }
.armor-title { display: flex; gap: 9px; align-items: baseline; font-family: var(--display); font-size: 36px; line-height: 1.12; letter-spacing: -.03em; }
.armor-title span { font-weight: 600; }
.armor-title strong { font-weight: 900; color: var(--red); }
.armor-catch { margin: 11px 0 18px; font: 800 16px/1.35 var(--display); letter-spacing: .035em; }
.armor-body > p:not(.armor-catch) { color: #575852; font-size: 14px; line-height: 1.9; letter-spacing: .015em; }
.armor-body ul { list-style: none; margin: 25px 0 0; padding: 19px 0 0; border-top: 1px solid #e4e4df; display: flex; flex-wrap: wrap; gap: 8px; }
.armor-body li { padding: 7px 9px; background: #f1f1ee; font: 700 11px/1.35 var(--sans); letter-spacing: .02em; }
.fineprint { margin-top: 20px; color: #62635e; font-size: 11px; }

.sound { min-height: 760px; position: relative; overflow: hidden; isolation: isolate; display: flex; align-items: center; }
.sound-bg { position: absolute; inset: 0; z-index: -2; background-image: linear-gradient(90deg, rgba(0,0,0,.93) 0%, rgba(0,0,0,.76) 45%, rgba(0,0,0,.46) 100%), url('../../img/sound-bg.gif'); background-size: cover; background-position: center; }
.sound::after { content: ''; position: absolute; inset: auto 0 0; height: 1px; background: var(--line); }
.sound-layout { display: grid; grid-template-columns: 1fr .95fr; gap: 90px; align-items: center; }
.sound-copy p:not(.section-kicker) { max-width: 580px; color: #c0c0bb; }
.sound-profiles { border-top: 1px solid rgba(255,255,255,.28); }
.sound-profiles article { padding: 27px 0; border-bottom: 1px solid rgba(255,255,255,.28); display: grid; grid-template-columns: 62px 1fr; gap: 20px; }
.sound-profiles article > span { color: var(--red); font: 800 12px/1.35 var(--display); letter-spacing: .05em; padding-top: 8px; }
.sound-profiles h3 { margin: 0 0 8px; font: 800 29px/1.2 var(--display); letter-spacing: -.02em; }
.sound-profiles p { margin: 0; color: #b4b4af; font-size: 13px; line-height: 1.85; letter-spacing: .015em; }

.vehicle-feature { background: var(--bg-soft); }
.vehicle-grid { display: grid; grid-template-columns: .92fr 1fr; gap: 86px; align-items: center; }
.vehicle-image { position: relative; height: 680px; overflow: hidden; }
.vehicle-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) contrast(1.06); }
.vehicle-image::after { content: ''; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.vehicle-image span { position: absolute; z-index: 2; left: 20px; bottom: 19px; background: rgba(0,0,0,.74); backdrop-filter: blur(10px); padding: 8px 12px; font: 700 10px/1.35 var(--display); letter-spacing: .095em; }
.vehicle-copy > p:not(.section-kicker) { color: #b5b5b0; max-width: 570px; }
.vehicle-copy h2 { margin-bottom: 30px; }
.vehicle-actions { align-items: center; }
.vehicle-actions .text-link { margin: 0 0 0 8px; }

.dealer { background: linear-gradient(135deg, #090909 0%, #101010 60%, #171717 100%); }
.dealer-panel { position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,.16); min-height: 500px; padding: 64px 70px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; background: radial-gradient(circle at 83% 50%, rgba(239,43,45,.22), transparent 34%), #0b0b0b; }
.dealer-panel::before { content: 'MBRP'; position: absolute; right: -44px; bottom: -74px; font: 900 228px/.85 var(--display); letter-spacing: -.06em; color: rgba(255,255,255,.026); pointer-events: none; }
.dealer-copy > p:not(.section-kicker) { color: #b7b7b2; max-width: 650px; }
.dealer-brand { min-height: 270px; display: grid; place-content: center; justify-items: center; text-align: center; border-left: 1px solid rgba(255,255,255,.14); position: relative; z-index: 1; }
.dealer-brand > span, .dealer-brand > p { font: 700 10px/1.55 var(--display); letter-spacing: .10em; color: #b9b9b4; }
.dealer-brand img { width: min(310px, 80%); margin: 26px 0 18px; max-height: 110px; object-fit: contain; }

.faq { background: #f2f2ef; color: #0b0b0b; }
.faq-layout { display: grid; grid-template-columns: 420px minmax(0, 1fr); gap: 70px; }
.faq-intro > p:last-child { color: #5e5f59; max-width: 390px; }
@media (min-width: 981px) {
  #faq-title { white-space: nowrap; text-wrap: nowrap; }
}
.faq-list { border-top: 1px solid #c8c8c2; }
.faq details { border-bottom: 1px solid #c8c8c2; }
.faq summary { list-style: none; cursor: pointer; padding: 25px 44px 25px 0; font-weight: 700; line-height: 1.65; letter-spacing: .01em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 20px; font: 500 29px/1 var(--display); transition: transform .25s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: -4px 40px 24px 0; color: #585954; font-size: 14px; line-height: 1.9; letter-spacing: .015em; }

.site-footer { background: #050505; border-top: 1px solid rgba(255,255,255,.1); padding: 72px 0 30px; }
.footer-main { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; padding-bottom: 65px; }
.brand-footer { margin-bottom: 27px; }
.footer-brand p { color: #8f8f8a; font-size: 13px; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 50px; }
.footer-links div { display: grid; align-content: start; gap: 12px; }
.footer-links span { margin-bottom: 8px; color: #696964; font: 700 10px/1.35 var(--display); letter-spacing: .095em; }
.footer-links a { color: #c7c7c1; font-size: 13px; }
.footer-links a:hover { color: white; }
.footer-bottom { padding-top: 24px; border-top: 1px solid rgba(255,255,255,.09); display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; color: #656560; font-size: 10px; }
.footer-bottom p { margin: 0; max-width: 720px; }
.floating-shop { position: fixed; z-index: 90; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 13px; padding: 15px 18px; background: var(--red); color: white; box-shadow: 0 18px 50px rgba(0,0,0,.32); font: 700 12px/1.35 var(--display); letter-spacing: .045em; transition: transform .25s, background .25s; }
.floating-shop:hover { transform: translateY(-3px); background: #ff3c3e; }
.floating-shop b { font-size: 17px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }

@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1.025); } }
@keyframes scrollLine { 0% { transform: translateY(-120%); } 70%,100% { transform: translateY(330%); } }
@keyframes ticker { to { transform: translateX(-50%); } }

@media (max-width: 980px) {
  :root { --shell: min(100% - 36px, 760px); }
  .section { padding: 90px 0; }
  .site-header { background: rgba(6,6,6,.88); backdrop-filter: blur(14px); border-color: rgba(255,255,255,.08); }
  .header-inner { min-height: 72px; }
  .menu-toggle { display: block; z-index: 3; }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 72px 0 auto; background: rgba(5,5,5,.98); border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); display: grid; gap: 0; padding: 14px 18px 24px; transform: translateY(-140%); opacity: 0; pointer-events: none; transition: transform .28s ease, opacity .28s ease; }
  .site-nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .site-nav > a { padding: 18px 4px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .site-nav .nav-cta { margin-top: 12px; text-align: center; border-bottom: 0; }
  .hero { min-height: 900px; }
  .hero-content { padding-bottom: 90px; }
  .hero h1 { font-size: clamp(62px, 12vw, 92px); line-height: .92; }
  .hero-media { background-position: 59% 50%; }
  .story-grid, .sound-layout, .vehicle-grid, .dealer-panel, .faq-layout, .footer-main { grid-template-columns: 1fr; gap: 55px; }
  .story-visual { min-height: 440px; }
  .story-visual img { height: 440px; }
  .story-stamp { right: 18px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card, .value-card + .value-card { padding: 34px 0; border-left: 0; border-bottom: 1px solid var(--line); min-height: 0; }
  .value-card:last-child { border-bottom: 0; }
  .value-card h3 { margin-top: 18px; }
  .section-head { grid-template-columns: 1fr; gap: 28px; }
  .armor-grid { grid-template-columns: 1fr; }
  .armor-image-wrap { height: 420px; }
  .sound { min-height: auto; }
  .vehicle-image { height: 600px; }
  .dealer-panel { padding: 54px 38px; }
  .dealer-brand { border-left: 0; border-top: 1px solid rgba(255,255,255,.14); padding-top: 46px; min-height: 220px; }
  .footer-links { max-width: 600px; }
  .footer-bottom { display: grid; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 30px); }
  .section { padding: 75px 0; }
  .brand img { width: 104px; }
  .brand span { font-size: 14px; }
  .hero { min-height: 820px; }
  .hero-media { background-position: 60% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(0,0,0,.90), rgba(0,0,0,.46)), linear-gradient(0deg, rgba(0,0,0,.82), transparent 50%); }
  .hero-content { padding-top: 130px; padding-bottom: 70px; }
  .hero h1 { font-size: clamp(52px, 15.2vw, 70px); line-height: .94; letter-spacing: -.04em; }
  .hero-lead { font-size: 15px; }
  .hero-actions, .dealer-actions { display: grid; }
  .hero-actions .button, .dealer-actions .button { width: 100%; }
  .dealer-note { max-width: 280px; }
  .scroll-cue { display: none; }
  .ticker span { font-size: 21px; }
  .section h2 { font-size: clamp(40px, 12vw, 58px); line-height: 1.18; }
  .story-grid { gap: 42px; }
  .story-visual, .story-visual img { min-height: 0; height: 350px; }
  .story-stamp { width: 116px; right: 12px; bottom: -24px; }
  .story-stamp strong { font-size: 37px; }
  .value-grid { margin-top: 72px; }
  .desktop-only { display: none; }
  .armor-image-wrap { height: 300px; }
  .armor-body { padding: 25px 22px 28px; }
  .armor-title { font-size: 33px; }
  .sound { min-height: 760px; }
  .sound-layout { gap: 50px; }
  .sound-profiles article { grid-template-columns: 40px 1fr; }
  .vehicle-image { height: 520px; }
  .vehicle-actions { display: grid; align-items: stretch; }
  .vehicle-actions .button { width: 100%; }
  .vehicle-actions .text-link { margin: 8px 0 0; width: max-content; }
  .dealer-panel { padding: 42px 24px; }
  .dealer-panel::before { font-size: 170px; bottom: -60px; }
  .faq-layout { gap: 34px; }
  .footer-main { gap: 40px; padding-bottom: 45px; }
  .footer-links { grid-template-columns: 1fr; gap: 35px; }
  .floating-shop { right: 14px; bottom: 14px; padding: 14px 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}