@font-face{font-family:'Noto Sans JP';font-weight:400;font-display:swap;src:url(../fonts/noto-400.woff2) format('woff2')}
@font-face{font-family:'Noto Sans JP';font-weight:500;font-display:swap;src:url(../fonts/noto-500.woff2) format('woff2')}
@font-face{font-family:'Noto Sans JP';font-weight:900;font-display:swap;src:url(../fonts/noto-900.woff2) format('woff2')}
*{margin:0;padding:0;box-sizing:border-box}
:root{--c:#1740D6;--cd:#1740D6;--y:#FFD400;--k:#000000;--g:#000000;--pad:56px}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--c);color:#fff;font-family:'Noto Sans JP','Hiragino Sans','Yu Gothic',sans-serif;font-weight:500;line-height:1.8;-webkit-text-size-adjust:100%}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.top{background:var(--y);color:var(--k);display:flex;justify-content:space-between;gap:16px;padding:10px var(--pad);font-size:14px;line-height:1.4}
.top b{font-weight:900}
.hd{position:sticky;top:0;z-index:20;background:var(--c);height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--pad);border-bottom:2px solid #fff}
.logo{white-space:nowrap;font-weight:900;font-size:30px;display:flex;align-items:center;gap:14px;line-height:1}
.logo i{width:34px;height:34px;border:6px solid var(--y);border-radius:50%;flex:none}
.gnav{display:flex;align-items:center;font-weight:700;font-size:15px}
.gnav a{white-space:nowrap;padding:0 20px;border-left:2px solid #FFFFFF;line-height:1.2}
.gnav a:first-child{border:0}
.gnav a:hover{color:var(--y)}
.gnav .tel{background:var(--y);color:var(--k);font-weight:900;padding:12px 22px;font-size:18px;border:0;margin-left:20px}
.gnav .tel:hover{color:var(--k);background:#fff}
.burger{display:none;background:none;border:2px solid #fff;width:48px;height:48px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:6px}
.burger span{display:block;width:22px;height:3px;background:#fff;transition:.2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--y);outline-offset:3px}
/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hero-l{padding:56px var(--pad) 64px}
.tag{display:inline-block;background:var(--y);color:var(--k);font-weight:900;font-size:14px;padding:6px 12px;letter-spacing:.08em;line-height:1.5}
h1{font-weight:900;font-size:clamp(44px,5vw,76px);line-height:1.15;margin-top:24px;letter-spacing:-.01em}
h1 em{font-style:normal;color:var(--y)}
.lead{margin-top:28px;font-size:17px;line-height:1.95;max-width:34em}
.cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;font-weight:900;padding:16px 26px;font-size:16px;line-height:1.3;border:2px solid var(--y)}
.btn.y{background:var(--y);color:var(--k)}.btn.y:hover{background:#fff;border-color:#fff}
.btn.o{color:#fff;border-color:#fff}.btn.o:hover{background:#fff;color:var(--c)}
.hero-r{position:relative;border-left:2px solid #fff;background:var(--cd);min-height:600px;overflow:hidden}
.bike{position:absolute;left:0;right:0;bottom:0;width:100%;height:auto}
.tbl{position:absolute;right:40px;top:36px;width:min(330px,calc(100% - 80px));background:#fff;color:var(--k)}
.tbl h3{background:var(--k);color:#fff;font-size:13px;letter-spacing:.14em;padding:9px 16px;font-weight:700}
.tbl div{display:flex;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--g);font-weight:700;font-size:15px}
.tbl div:last-child{border:0}.tbl span:last-child{font-weight:900}
/* steps */
.steps{background:#fff;color:var(--k);display:grid;grid-template-columns:repeat(3,1fr)}
.steps article{padding:36px var(--pad) 40px;border-right:2px solid var(--k)}
.steps article:last-child{border:0}
.steps small{display:block;font-weight:900;color:var(--c);letter-spacing:.14em;font-size:13px}
.steps h3{font-weight:900;font-size:28px;margin:8px 0 10px;line-height:1.3}
.steps p{font-size:15px;line-height:1.85}
/* sections */
.sec{padding:96px var(--pad);border-top:2px solid #fff}
.sec-h{max-width:760px;margin-bottom:40px}
.no{display:inline-block;background:var(--y);color:var(--k);font-weight:900;font-size:13px;letter-spacing:.2em;padding:3px 10px;line-height:1.6}
.sec h2{font-weight:900;font-size:clamp(30px,3.4vw,46px);line-height:1.3;margin-top:14px}
.sec-h p{margin-top:14px;font-size:16px}
.menu{background:#fff;color:var(--k);border-top:0}
.menu .no{background:var(--c);color:#fff}
.tabs{display:flex;gap:0;flex-wrap:wrap;border:2px solid var(--k);width:fit-content;max-width:100%}
.tabs button{font:inherit;font-weight:900;font-size:15px;background:#fff;color:var(--k);border:0;border-right:2px solid var(--k);padding:12px 22px;cursor:pointer}
.tabs button:last-child{border:0}
.tabs button[aria-selected=true]{background:var(--k);color:#fff}
.rows{list-style:none;margin-top:28px;border-top:2px solid var(--k)}
.rows li{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--g)}
.rows li[hidden]{display:none}
.rows h3{font-size:20px;font-weight:900;line-height:1.4}
.rows p{font-size:15px;margin-top:4px;max-width:44em}
.rows b{font-weight:900;font-size:26px;color:var(--c);white-space:nowrap}
.note{margin-top:20px;font-size:14px}
.symptom{background:var(--cd)}
.sy-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:64px;align-items:start}
.symptom ol{list-style:none;border-top:2px solid #fff}
.symptom li{display:grid;grid-template-columns:64px 1fr;padding:22px 0;border-bottom:1px solid #FFFFFF}
.symptom li b{font-weight:900;font-size:34px;color:var(--y);line-height:1.1}
.symptom h3{font-size:20px;font-weight:900;line-height:1.5}
.symptom li p{font-size:15px;margin-top:4px}
figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border:2px solid #fff}
figcaption{margin-top:14px;font-size:15px}
.band{position:relative;background:var(--y);color:var(--k);padding:96px var(--pad);overflow:hidden;border-top:2px solid #fff}
.wheelbg{position:absolute;right:-40px;top:50%;width:420px;transform:translateY(-50%);opacity:1}
.q{position:relative;font-weight:900;font-size:clamp(26px,3.4vw,46px);line-height:1.5;max-width:24em}
.q em{font-style:normal;background:var(--c);color:#fff;padding:0 .25em}
.who{position:relative;margin-top:24px;font-size:14px}
.faq{background:#fff;color:var(--k)}.faq .no{background:var(--c);color:#fff}
.faq-l{max-width:860px;border-top:2px solid var(--k)}
details{border-bottom:1px solid var(--g)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:22px 0;font-weight:900;font-size:19px;line-height:1.5}
summary::-webkit-details-marker{display:none}
summary::after{content:'＋';color:var(--c);font-size:22px;flex:none}
details[open] summary::after{content:'−'}
details p{padding:0 0 24px;max-width:40em;font-size:15.5px}
.shop-g{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:56px;align-items:center}
.map img{width:100%;aspect-ratio:16/11;object-fit:cover;border:2px solid #fff}
dl>div{display:grid;grid-template-columns:7em 1fr;padding:16px 0;border-bottom:1px solid #FFFFFF}
dl>div:first-child{border-top:2px solid #fff}
dt{font-weight:900;color:var(--y)}
.ft{background:var(--k);padding:56px var(--pad) 40px;display:grid;grid-template-columns:1fr 2fr auto;gap:40px;align-items:start;font-size:13px}
.ft .logo{font-size:24px}.ft .logo i{width:26px;height:26px;border-width:5px}
.ft p{margin-top:8px}.ft .demo-n{margin:0;color:#FFFFFF;max-width:38em}
.totop{font-weight:900;border:2px solid #fff;padding:10px 16px}
/* tablet / mobile */
@media (max-width:1100px){
 :root{--pad:36px}
 .gnav a:not(.tel){padding:0 12px;font-size:14px}
 .hero{grid-template-columns:1fr}
 .hero-r{border-left:0;border-top:2px solid #fff;min-height:0;height:520px}
 .bike{width:min(760px,100%);left:auto;right:0}
 .steps{grid-template-columns:1fr}
 .steps article{border-right:0;border-bottom:2px solid var(--k)}
 .sy-grid,.shop-g{grid-template-columns:1fr;gap:36px}
 .ft{grid-template-columns:1fr}
}
@media (max-width:1260px){
 .burger{display:flex}
 .gnav{position:absolute;left:0;right:0;top:84px;background:var(--c);flex-direction:column;align-items:stretch;border-bottom:2px solid #fff;display:none;padding:8px var(--pad) 24px}
 .gnav.open{display:flex}
 .gnav a:not(.tel){padding:16px 0;border-left:0;border-bottom:1px solid #FFFFFF;font-size:17px}
 .gnav .tel{margin:20px 0 0;text-align:center}
}
@media (max-width:600px){
 :root{--pad:20px}
 .top{flex-direction:column;gap:2px;font-size:12px}
 .hd{height:68px}.gnav{top:68px}
 html{scroll-padding-top:68px}
 .logo{font-size:23px;gap:10px}.logo i{width:26px;height:26px;border-width:5px}
 .burger{width:44px;height:44px}
 .hero-l{padding:36px var(--pad) 40px}
 h1{font-size:clamp(30px,10.2vw,52px)}
 .lead{font-size:16px}
 .btn{flex:1 1 100%;text-align:center}
 .hero-r{height:auto;padding-top:0}
 .tbl{position:static;width:auto;margin:20px var(--pad) 0}
 .bike{position:static;width:100%;margin-top:8px}
 .steps h3{font-size:24px}
 .steps article{padding:28px var(--pad)}
 .sec{padding:64px var(--pad)}
 .rows li{grid-template-columns:1fr;gap:6px;padding:18px 0}
 .rows b{font-size:22px}
 .tabs{width:100%}.tabs button{flex:1 1 50%;padding:12px 8px;font-size:14px;border-bottom:2px solid var(--k)}
 .tabs button:nth-child(2n){border-right:0}
 .tabs button:nth-last-child(-n+2){border-bottom:0}
 .symptom li{grid-template-columns:48px 1fr}.symptom li b{font-size:28px}
 .symptom h3{font-size:18px}
 .wheelbg{width:240px;right:-70px;top:auto;bottom:-60px;transform:none;opacity:1}
 .band{padding:64px var(--pad) 120px}
 summary{font-size:17px}
 dl>div{grid-template-columns:5.5em 1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}