:root{--ink:#171717;--muted:#6c6c6c;--line:#dedede;--paper:#fff;--soft:#f4f4f1;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,"Noto Sans JP",sans-serif;line-height:1.75}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;letter-spacing:.12em;text-decoration:none;color:var(--ink);font-size:22px;line-height:1}.brand span{display:block;font-size:8px;letter-spacing:.2em;margin-top:7px;color:var(--muted)}nav{display:flex;gap:30px}nav a{font-size:12px;letter-spacing:.13em;color:var(--ink);text-decoration:none;font-weight:700}.menu{display:none;border:0;background:none;font-weight:700}.hero{min-height:640px;background:linear-gradient(120deg,#eee 0%,#f7f7f4 58%,#ddd 100%);display:grid;align-items:center;border-bottom:1px solid var(--line)}.hero-inner{padding:80px 0}.eyebrow,.section-head>p{font-size:11px;letter-spacing:.22em;font-weight:800;color:var(--muted);margin:0 0 14px}.hero h1{font-size:clamp(58px,9vw,116px);line-height:.9;letter-spacing:-.06em;margin:0 0 34px;max-width:800px}.lead{font-size:18px;max-width:590px;color:#4f4f4f}.hero-actions{display:flex;gap:12px;margin-top:34px}.btn{display:inline-block;padding:13px 22px;border:1px solid var(--ink);text-decoration:none;color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.08em}.btn.primary{background:var(--ink);color:#fff}.section{padding:100px 0}.section-head h2{font-size:clamp(34px,5vw,62px);letter-spacing:-.04em;line-height:1;margin:0 0 44px}.cards{display:grid;gap:20px}.cards.two{grid-template-columns:repeat(2,1fr)}.cards.three{grid-template-columns:repeat(3,1fr)}.card,.mini{border:1px solid var(--line);padding:38px;min-height:260px}.tag{font-size:10px;letter-spacing:.16em;font-weight:800;color:var(--muted)}.card h3,.feature h3{font-size:34px;line-height:1.1;margin:42px 0 18px}.card p,.mini p,.feature p{color:var(--muted)}.card a,.more a{color:var(--ink);font-weight:700;text-decoration:none}.alt{background:var(--soft)}.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.feature h3{font-size:clamp(38px,6vw,70px);letter-spacing:-.05em}.vin-art{aspect-ratio:1.35;background:#1a1a1a;color:white;padding:38px;display:flex;flex-direction:column;justify-content:space-between;font-weight:800;letter-spacing:.12em}.vin-art span:nth-child(2){font-size:clamp(60px,10vw,130px);letter-spacing:-.07em}.mini span{font-size:12px;color:var(--muted)}.mini h3{font-size:21px;margin-top:50px}.more{text-align:right;margin-top:28px}.dark{background:#171717;color:white}.split{display:grid;grid-template-columns:1fr 1fr;gap:100px}.dark .section-head>p,.dark p{color:#aaa}.dark .section-head h2{margin-bottom:24px}.btn.light{border-color:#fff;color:#fff;margin-top:18px}footer{padding:44px 0;border-top:1px solid var(--line)}.footer-inner{display:flex;justify-content:space-between;align-items:center}.footer-inner p{font-size:11px;color:var(--muted)}@media(max-width:760px){.wrap{width:min(100% - 30px,var(--max))}.header-inner{height:68px}.menu{display:block}nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:25px 15px;border-bottom:1px solid var(--line);flex-direction:column}nav.open{display:flex}.hero{min-height:560px}.hero h1{font-size:58px}.lead{font-size:15px}.hero-actions{flex-direction:column;align-items:flex-start}.section{padding:70px 0}.cards.two,.cards.three,.feature,.split{grid-template-columns:1fr}.card,.mini{padding:28px}.feature{gap:35px}.split{gap:65px}.footer-inner{display:block}.footer-inner p{margin-top:25px}}
nav a[aria-current="page"]{border-bottom:2px solid var(--ink);padding-bottom:8px}
.page-hero,.vin-hero{background:var(--soft);border-bottom:1px solid var(--line);padding:105px 0 90px}.page-hero h1,.vin-hero h1{font-size:clamp(54px,8vw,100px);letter-spacing:-.06em;line-height:.92;margin:0 0 28px}.page-hero>div>p:last-child,.vin-hero>div>p:last-child{max-width:620px;color:var(--muted);font-size:17px}
.store-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.store-panel{padding:54px;border:1px solid var(--line);min-height:430px;display:flex;flex-direction:column;align-items:flex-start}.store-panel h2{font-size:clamp(38px,5vw,64px);letter-spacing:-.05em;margin:70px 0 20px}.store-panel p:not(.tag){color:var(--muted);max-width:440px}.store-panel .btn{margin-top:auto}.store-panel.inverse{background:var(--ink);color:white}.store-panel.inverse .tag,.store-panel.inverse p:not(.tag){color:#aaa}
.notice{margin-top:40px;padding:28px 32px;border-left:4px solid var(--ink);background:var(--soft)}.notice h3{margin:0 0 8px}.notice p{margin:0;color:var(--muted)}.notice a{display:inline-block;margin-top:12px;color:var(--ink);font-weight:700;text-decoration:none}
.info-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:stretch}.info-list{margin:0}.info-list>div{display:grid;grid-template-columns:120px 1fr;padding:24px 0;border-top:1px solid var(--line)}.info-list dt{font-size:12px;font-weight:800;letter-spacing:.1em}.info-list dd{margin:0;font-size:18px}.info-list small{color:var(--muted);font-size:13px}.map-card{background:var(--ink);color:#fff;padding:42px;display:flex;flex-direction:column;justify-content:space-between;min-height:480px}.map-card>span{font-size:clamp(52px,7vw,86px);font-weight:800;letter-spacing:-.07em;line-height:.85}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{border:1px solid var(--line);min-height:390px;padding:34px;color:var(--ink);text-decoration:none;display:flex;flex-direction:column}.article-card.featured{background:var(--ink);color:#fff}.article-card.featured .tag,.article-card.featured p{color:#aaa}.article-card strong{font-size:29px;line-height:1.15;margin:65px 0 18px}.article-card p{color:var(--muted)}.article-card em{margin-top:auto;font-style:normal;font-size:13px;font-weight:800}.coming{margin-top:45px;padding-top:30px;border-top:1px solid var(--line);color:var(--muted)}
.event-list{border-top:1px solid var(--line)}.event-item{display:grid;grid-template-columns:210px 1fr;gap:30px;padding:34px 0;border-bottom:1px solid var(--line)}.event-item time{font-weight:800;letter-spacing:.05em}.event-item h2{margin:0 0 6px}.event-item p{color:var(--muted);margin:0}.event-item a{display:inline-block;margin-top:12px;color:var(--ink);font-weight:700}.empty-state{padding:60px 30px;background:var(--soft);text-align:center}.empty-state strong{font-size:21px}.empty-state p,.muted{color:var(--muted)}
.decoder-section{background:var(--ink);color:#fff;padding:70px 0}.decoder-wrap{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}.decoder-box label{font-size:13px;font-weight:800;letter-spacing:.08em}.vin-input-row{display:flex;margin-top:12px}.vin-input-row input{width:100%;min-width:0;border:0;padding:20px;font-size:clamp(18px,3vw,28px);font-family:monospace;letter-spacing:.08em;text-transform:uppercase}.vin-input-row button{border:1px solid #fff;background:#fff;color:var(--ink);padding:0 28px;font-weight:800;white-space:nowrap}.decoder-box>p{color:#aaa;font-size:12px}.privacy-note{border-left:1px solid #555;padding-left:28px}.privacy-note p{color:#aaa;font-size:13px}.vin-result{margin-top:26px;padding:25px;background:#fff;color:var(--ink);display:grid;grid-template-columns:auto 1fr;gap:8px 20px;align-items:center}.vin-result[hidden]{display:none}.vin-result b{font-size:34px}.vin-result strong{font-size:24px}.vin-result small{grid-column:1/-1;color:var(--muted)}.vin-result.error{border-left:5px solid #b64c3d;display:flex;flex-direction:column;align-items:flex-start;gap:5px}
.prose{max-width:900px}.prose>h2{font-size:clamp(28px,4vw,45px);line-height:1.25;margin:60px 0 18px}.prose>h2:first-child{margin-top:0}.prose>p{color:var(--muted)}.table-scroll{overflow-x:auto}.year-table{width:100%;border-collapse:collapse;min-width:680px}.year-table th,.year-table td{border:1px solid var(--line);padding:14px 16px;text-align:left}.year-table th{background:var(--ink);color:white;font-size:12px}.year-table td:nth-child(odd){font-weight:800;background:var(--soft);width:10%}
.article-body{max-width:820px}.article-body h2{font-size:32px;margin:52px 0 15px}.article-body h3{font-size:22px;margin:35px 0 10px}.article-body p,.article-body li{color:#4e4e4e}.article-body li+li{margin-top:10px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:24px}.breadcrumb a{color:inherit}
@media(max-width:760px){nav a[aria-current="page"]{border:0;padding:0}.page-hero,.vin-hero{padding:75px 0 60px}.store-grid,.info-layout,.article-grid,.decoder-wrap{grid-template-columns:1fr}.store-panel{min-height:360px;padding:30px}.store-panel h2{margin-top:45px}.map-card{min-height:360px}.article-card{min-height:320px}.event-item{grid-template-columns:1fr;gap:10px}.vin-input-row{display:block}.vin-input-row button{width:100%;padding:17px}.privacy-note{border-left:0;border-top:1px solid #555;padding:24px 0 0}.info-list>div{grid-template-columns:90px 1fr}.year-table th,.year-table td{padding:11px}.notice{padding:23px 22px}}

/* v3 visual system */
.hero-photo{position:relative;background:url("../images/hero-touring.jpg") center 56%/cover no-repeat;color:#fff;min-height:760px}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,16,23,.86) 0%,rgba(8,16,23,.48) 48%,rgba(8,16,23,.08) 100%)}.hero-photo .hero-inner{position:relative;z-index:1}.hero-photo .eyebrow,.hero-photo .lead{color:#fff}.hero-photo h1{text-shadow:0 2px 20px rgba(0,0,0,.2)}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.intro-grid h2{font-size:clamp(48px,7vw,86px);line-height:.93;letter-spacing:-.055em;margin:0}.intro-grid p{font-size:18px;color:var(--muted);margin-top:0}
.rme-grid{display:grid;grid-template-columns:repeat(3,1fr);background:var(--ink);color:#fff}.rme-grid article{position:relative;min-width:0}.rme-grid img{width:100%;height:360px;display:block;object-fit:cover;filter:saturate(.78) contrast(1.04)}.rme-grid article>div{padding:34px;border-right:1px solid #3b3b3b;min-height:260px}.rme-grid span{font-size:12px;color:#999}.rme-grid h2{font-size:clamp(38px,4vw,58px);letter-spacing:-.05em;margin:35px 0 10px}.rme-grid p{color:#aaa;margin:0}
.store-home .card{min-height:340px;display:flex;flex-direction:column}.store-home .card img{width:100%;height:100px;object-fit:contain;object-position:left center;margin-bottom:38px}.store-home .card a{margin-top:auto}
.youtube-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;background:var(--soft);padding:60px}.youtube-panel h2{font-size:clamp(42px,6vw,76px);line-height:.95;letter-spacing:-.05em;margin:0 0 25px}.youtube-panel p:not(.eyebrow){color:var(--muted);max-width:580px}.youtube-panel small{display:block;margin-top:15px;color:var(--muted)}.youtube-panel img{width:100%;max-height:460px;object-fit:contain;mix-blend-mode:multiply}
.logo-panel img{width:100%;height:115px;object-fit:contain;object-position:left center;margin-bottom:70px}.logo-panel.inverse img{background:#fff;padding:12px}.logo-panel h2{margin-top:20px}
.shop-photo-hero{background:linear-gradient(90deg,rgba(244,244,241,.98),rgba(244,244,241,.7)),url("../images/shop-exterior.jpg") right 45%/60% auto no-repeat}.shop-gallery{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:90px}.shop-gallery img{width:100%;height:430px;object-fit:cover}.shop-info{margin-top:20px}
.event-photo-hero{position:relative;background:linear-gradient(90deg,rgba(10,10,10,.88),rgba(10,10,10,.12)),url("../images/events-view.jpg") center/cover no-repeat;color:#fff}.event-photo-hero .eyebrow,.event-photo-hero>div>p:last-child{color:#fff}.event-intro{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.event-intro img{width:100%;height:480px;object-fit:cover}.event-intro h2{font-size:clamp(40px,6vw,70px);line-height:.95;letter-spacing:-.05em;margin:0 0 24px}.event-intro p:not(.eyebrow){color:var(--muted)}
.footer-links{display:flex;align-items:center;gap:24px}.footer-links a{color:var(--ink);font-weight:700;font-size:12px;text-decoration:none}
@media(max-width:760px){.hero-photo{min-height:650px;background-position:62% center}.hero-shade{background:linear-gradient(90deg,rgba(8,16,23,.85),rgba(8,16,23,.28))}.intro-grid,.rme-grid,.youtube-panel,.shop-gallery,.event-intro{grid-template-columns:1fr}.intro-grid{gap:30px}.intro-grid p{font-size:16px}.rme-grid img{height:290px}.rme-grid article>div{min-height:auto;padding:28px 24px 40px}.youtube-panel{padding:35px 25px;gap:25px}.youtube-panel img{max-height:320px}.store-home .card img,.logo-panel img{height:80px}.shop-photo-hero{background:var(--soft)}.shop-gallery{gap:12px;margin-bottom:60px}.shop-gallery img{height:280px}.event-photo-hero{background-position:center}.event-intro{gap:30px}.event-intro img{height:320px}.footer-links{display:block}.footer-links a{display:inline-block;margin-top:18px}}

.event-request,.past-blog{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.event-request h2,.past-blog h2{font-size:clamp(34px,5vw,64px);line-height:1.05;margin:.2em 0}.event-request p,.past-blog p{color:var(--muted)}.past-blog{margin-top:60px;padding:45px;background:var(--soft)}.past-blog .btn{justify-self:start}.era-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:36px}.era-nav a{background:#fff;padding:20px;text-align:center;color:var(--ink);font-weight:800;text-decoration:none}.era-nav a:hover{background:var(--soft)}.vin-era{scroll-margin-top:95px}.vin-era code{background:var(--soft);padding:.15em .4em;font-size:.95em}.vin-pattern{display:grid;grid-template-columns:1fr 1.5fr 1.5fr;margin:35px 0;background:var(--ink);color:#fff}.vin-pattern.four{grid-template-columns:1fr 2fr .8fr .8fr}.vin-pattern span{font:700 clamp(22px,4vw,40px)/1 monospace;padding:22px 14px 8px;text-align:center;border-right:1px solid #555}.vin-pattern small{padding:6px 8px 18px;text-align:center;color:#aaa;border-right:1px solid #555}.vin-position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin:30px 0 45px}.vin-position-grid div{background:#fff;padding:20px}.vin-position-grid b{display:block;font:700 24px monospace}.vin-position-grid span{display:block;color:var(--muted);font-size:13px;margin-top:4px}.model-table td:nth-child(odd){font-family:monospace;font-weight:800}.vin-result.success{grid-template-columns:minmax(90px,auto) 1fr}.vin-result.success strong{font-size:20px}.privacy-note p+p{margin-top:18px}.event-photo-hero{background-image:linear-gradient(90deg,rgba(10,10,10,.88),rgba(10,10,10,.12)),url("../images/events-view.jpg")}
@media(max-width:760px){.event-request,.past-blog{grid-template-columns:1fr;gap:18px}.past-blog{padding:30px 22px}.era-nav{grid-template-columns:1fr}.vin-pattern span{font-size:21px;padding-left:6px;padding-right:6px}.vin-position-grid{grid-template-columns:repeat(2,1fr)}.model-table{min-width:760px}.vin-result.success{grid-template-columns:1fr}.vin-result.success b,.vin-result.success strong{font-size:20px}}

/* v5 article archive */
.article-hero{background:var(--soft);border-bottom:1px solid var(--line);padding:90px 0 65px}.article-hero h1{font-size:clamp(38px,6vw,72px);line-height:1.08;letter-spacing:-.045em;max-width:1000px;margin:0 0 24px}.article-meta{display:flex;gap:20px;color:var(--muted);font-size:13px}.migrated-article{max-width:900px}.legacy-note{padding:18px 22px;background:var(--soft);border-left:4px solid var(--ink);font-size:13px;margin-bottom:24px}.article-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:38px}.article-tags span{font-size:11px;border:1px solid var(--line);padding:5px 9px}.legacy-content{max-width:none}.legacy-content img{display:block;max-width:100%;height:auto;margin:26px auto}.legacy-content iframe{max-width:100%}.legacy-content a{overflow-wrap:anywhere}.legacy-content table{display:block;max-width:100%;overflow:auto}.archive-source{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:22px;margin-top:60px;overflow-wrap:anywhere}.article-search{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;background:var(--soft);padding:24px}.article-search label{font-size:11px;font-weight:800;letter-spacing:.08em}.article-search input,.article-search select{display:block;width:100%;height:48px;margin-top:7px;border:1px solid var(--line);background:#fff;padding:0 13px;font:inherit}.archive-count{color:var(--muted);font-size:13px;margin:26px 0}.archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.archive-card{border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;min-height:310px}.archive-card>p:first-child{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted);margin:0}.archive-card h2{font-size:20px;line-height:1.35;margin:35px 0 14px}.archive-card h2 a{color:var(--ink);text-decoration:none}.archive-card>p:not(:first-child){color:var(--muted);font-size:13px}.archive-card small{margin-top:auto;color:var(--muted)}.archive-more{display:block;margin:35px auto 0}.archive-more[hidden]{display:none}@media(max-width:760px){.article-search,.archive-grid{grid-template-columns:1fr}.article-hero{padding:65px 0 45px}.archive-card{min-height:260px}}