*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#202020;background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid #e8e8e8;backdrop-filter:blur(12px)}.header-inner{height:82px;max-width:1220px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center}.brand img{width:235px;height:auto;max-height:50px;object-fit:contain;object-position:center}.desktop-nav{display:flex;align-items:center;gap:24px;font-size:12px;font-weight:600;letter-spacing:.08em}.desktop-nav a{padding:30px 0 25px;border-bottom:2px solid transparent}.desktop-nav 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a:hover{background:#f5f5f5}.section{padding-top:78px;padding-bottom:78px}.section-title{display:flex;align-items:center;gap:18px;margin-bottom:40px}.section-title:after{content:"";height:1px;background:#d7d7d7;flex:1}.section-title span{font:500 28px/1 Arial,sans-serif;letter-spacing:.03em}.about-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:70px;align-items:start}.about-copy{font-size:14px}.about-copy p{margin:0 0 18px}.quick-spec{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #222;border-left:1px solid #ddd}.quick-spec div{padding:23px 18px;border-right:1px solid #ddd;border-bottom:1px solid #ddd}.quick-spec b{display:block;font:500 20px/1.2 Arial,sans-serif;margin-bottom:7px}.quick-spec span{font-size:10px;color:#777;letter-spacing:.08em}.colors{padding-top:72px}.color-stage{display:grid;grid-template-columns:1.45fr .55fr;gap:30px;align-items:center;background:#fff;padding:34px 42px}.bike-frame{position:relative;min-height:390px;display:flex;align-items:center;justify-content:center}.bike-frame img{max-height:390px;width:100%;object-fit:contain;transition:opacity .35s ease,transform .55s cubic-bezier(.2,.75,.2,1)}.bike-frame.changing img{opacity:0;transform:translateY(5px)}.color-panel{padding:18px}.color-count{font:12px/1 Arial,sans-serif;color:#888;letter-spacing:.12em}.color-panel h2{font:500 27px/1.15 Arial,sans-serif;margin:12px 0 28px}.swatches{display:flex;gap:13px}.swatch{width:36px;height:36px;border-radius:50%;border:1px solid #bbb;background:var(--swatch);padding:0;cursor:pointer;box-shadow:0 0 0 3px #fff,0 0 0 4px transparent;transition:.2s}.swatch.active{box-shadow:0 0 0 3px #fff,0 0 0 4px #222}.color-note{font-size:10px;color:#888;margin-top:24px;line-height:1.7}.spec-wrap{max-width:980px}.spec-table{margin:0}.spec-table>div{display:grid;grid-template-columns:260px 1fr;border-bottom:1px solid #ddd}.spec-table>div:first-child{border-top:1px solid #222}.spec-table dt,.spec-table dd{margin:0;padding:12px 16px;font-size:12px}.spec-table dt{font-weight:700;background:#fafafa;letter-spacing:.03em}.spec-table dd{border-left:1px solid #eee}.spec-note{font-size:10px;color:#777;margin:12px 0 0}.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.option-card{border:1px solid #ddd;padding:28px 30px;background:#fff}.option-label{font:600 10px/1 Arial,sans-serif;letter-spacing:.13em;color:#888;margin:0 0 16px}.option-card h3{font-size:17px;margin:0 0 20px;line-height:1.6}.option-code{font-size:10px;color:#777}.option-price{font-size:22px;margin:10px 0 0}.option-price small{font-size:10px}.geometry-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}.geometry-placeholder{background:#fafafa;border:1px solid #eee;padding:24px;text-align:center}.geometry-placeholder svg{width:100%;max-width:500px}.geometry-placeholder circle,.geometry-placeholder path,.geometry-placeholder line{fill:none;stroke:#777;stroke-width:2}.geometry-placeholder p{font:11px/1.4 Arial,sans-serif;color:#999;letter-spacing:.08em}.geometry-data{overflow-x:auto}.geometry-data table{border-collapse:collapse;width:100%;min-width:560px;font-size:11px}.geometry-data th,.geometry-data td{border:1px solid #ddd;padding:10px 12px;text-align:center}.geometry-data thead th{background:#f5f5f5;font-weight:700}.geometry-data tbody th{text-align:left;background:#fafafa}.geometry-data .pending{color:#aaa}.pending-note{font-size:10px;color:#999}.site-footer{margin-top:60px;border-top:1px solid #ddd;background:#fff}.footer-inner{max-width:1160px;margin:auto;padding:40px 28px;display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px}.lg-footer{width:210px;height:auto;object-fit:contain;object-position:center;overflow:visible}.footer-brand p,.footer-agency span,.copyright{font-size:10px;color:#777}.footer-agency{text-align:right}.footer-agency img{width:120px;margin:7px 0 0 auto}.copyright{grid-column:1/-1;border-top:1px solid #eee;padding-top:15px;margin:0}.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s cubic-bezier(.22,1,.36,1)}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.08s}@media (max-width:900px){.desktop-nav{display:none}.menu-button{display:block}.mobile-nav{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;border-bottom:1px solid #ddd;padding:12px 24px 22px}.mobile-nav.open{display:grid}.mobile-nav a{padding:13px 0;border-bottom:1px solid #eee;font-size:12px}.hero{grid-template-columns:1fr;min-height:auto;padding-top:32px}.hero-copy{order:1}.hero-visual{order:2}.hero-visual img{max-height:440px}.about-grid,.color-stage,.geometry-grid{grid-template-columns:1fr}.color-stage{padding:24px}.bike-frame{min-height:300px}.quick-spec{margin-top:10px}.footer-inner{grid-template-columns:1fr}.footer-agency{text-align:left}.footer-agency img{margin-left:0}.copyright{grid-column:1}.product-nav{margin-left:28px;margin-right:28px;overflow-x:auto;grid-template-columns:repeat(5,minmax(100px,1fr))}}@media (max-width:600px){.header-inner{height:68px;padding:0 18px}.brand img{width:190px}.mobile-nav{top:68px}.breadcrumb-wrap,.section-compact,.section{padding-left:18px;padding-right:18px}.breadcrumb-wrap{padding-top:14px}.hero{padding-top:22px;padding-bottom:22px}.hero h1{font-size:38px}.hero-lead{font-size:15px}.price{font-size:23px}.hero-visual img{max-height:330px}.product-nav{margin:0 18px 4px;grid-template-columns:repeat(5,105px);justify-content:start}.product-nav a{padding:14px 6px}.section{padding-top:58px;padding-bottom:58px}.section-title{margin-bottom:28px}.section-title span{font-size:22px}.about-grid{gap:22px}.quick-spec div{padding:18px 12px}.quick-spec b{font-size:17px}.color-stage{padding:18px 12px}.bike-frame{min-height:250px}.bike-frame img{max-height:270px}.color-panel{padding:10px}.color-panel h2{font-size:22px}.spec-table>div{grid-template-columns:1fr}.spec-table dt,.spec-table dd{padding:10px 12px}.spec-table dd{border-left:0;border-top:1px solid #eee}.option-grid{grid-template-columns:1fr}.geometry-placeholder{padding:10px}.footer-inner{padding:32px 18px}.lg-footer{width:180px}}
.geometry-figure{display:flex;align-items:center;justify-content:center;background:#fff}.geometry-figure img{width:100%;height:auto;object-fit:contain}.geometry-note{font-size:10px;color:#777;margin:10px 0 0}.product-code-wrap{overflow-x:auto}.product-code-table{width:100%;border-collapse:collapse;font-size:11px;min-width:680px}.product-code-table th,.product-code-table td{border:1px solid #ddd;padding:10px 14px;text-align:center}.product-code-table thead th{background:#f5f5f5;font-weight:700}.product-code-table tbody th{text-align:left;background:#fafafa;font-weight:600}.product-code-table tbody tr:hover td,.product-code-table tbody tr:hover th{background:#f8f8f8}@media(max-width:900px){.geometry-grid{align-items:start}.geometry-figure{max-width:680px;margin:auto}}@media(max-width:600px){.geometry-grid{gap:24px}.geometry-figure img{min-width:0}.product-code-table th,.product-code-table td{padding:9px 10px}}
/* 2027 common footer — matched to TOP page */
.wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}.footer{margin-top:60px;background:#f3f3f1;padding:56px 0 26px}.footer-top{display:grid;grid-template-columns:260px 1fr 160px;gap:54px;align-items:start}.footer-lg{width:195px;max-height:42px;object-fit:contain}.footer-top p{font-size:9px;color:#777;margin:24px 0 10px}.asahi-logo{width:125px;max-height:36px;object-fit:contain}.footer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 30px;font-size:10px;font-weight:700;letter-spacing:.1em}.footer-social{display:flex;flex-direction:column;gap:11px;font-size:10px}.footer-social span{font-size:9px;color:#999;letter-spacing:.12em;margin-bottom:3px}.footer-support{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid #d8d8d8;margin-top:38px;padding-top:22px}.footer-support a{font-size:10px;color:#555}.footer .copyright{border-top:1px solid #d8d8d8;margin-top:22px;padding-top:18px;font-size:8px;color:#999}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.footer-top{grid-template-columns:1fr;gap:30px}.footer-nav{grid-template-columns:repeat(2,1fr)}.footer-support{display:grid;gap:13px}.footer-social{flex-direction:row;flex-wrap:wrap}.footer-social span{width:100%}}

/* v8: riding image + actual option-part photography */
.riding-image{width:min(1180px,calc(100% - 64px));height:330px;margin:6px auto 4px;overflow:hidden;background:#f4f4f4}
.riding-image img{width:100%;height:100%;object-fit:cover;object-position:center 53%}
.option-card-media{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:24px;align-items:center;min-height:230px}
.option-copy{min-width:0}.option-images{height:170px;display:flex;align-items:center;justify-content:center;gap:5px;overflow:hidden}
.option-images img{display:block;width:auto;height:auto;max-width:100%;max-height:150px;object-fit:contain;mix-blend-mode:multiply}
.option-images-pair img{max-width:49%;max-height:140px}.option-images-single img{max-height:155px;max-width:105px}
@media(max-width:900px){.riding-image{width:calc(100% - 56px);height:290px}.option-card-media{grid-template-columns:minmax(0,1fr) 125px;gap:18px}.option-images{height:145px}.option-images-pair img{max-height:118px}.option-images-single img{max-height:128px;max-width:88px}}
@media(max-width:600px){.riding-image{width:100%;height:260px;margin:0}.riding-image img{object-position:61% center}.option-card-media{grid-template-columns:minmax(0,1fr) 92px;gap:12px;min-height:190px;padding:22px 18px}.option-images{height:120px}.option-images-pair{gap:2px}.option-images-pair img{max-height:96px}.option-images-single img{max-height:110px;max-width:68px}.option-card h3{font-size:15px;margin-bottom:14px}.option-price{font-size:19px}}