:root{color-scheme:light;--soft:#f6f7f7;--mist:#eef4f8;--ink:#231815;--body:#4b4744;--muted:#6f6a66;--line:#e4e4e2;--will:#2797cc;--will-deep:#1d6fa3;--sans:"Noto Sans JP","Hiragino Sans","Hiragino Kaku Gothic ProN",Meiryo,system-ui,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--body);font-family:var(--sans);font-size:16px;line-height:1.9;letter-spacing:.02em;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
a:focus-visible{outline:2px solid var(--will);outline-offset:3px}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{color:var(--ink);text-wrap:balance}
.wrap{max-width:1100px;margin:0 auto;padding-inline:40px}
@media (max-width:700px){.wrap{padding-inline:20px}}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--will-deep);text-transform:uppercase}
mark{background:linear-gradient(transparent 60%,rgba(250,208,60,.6) 60%,rgba(250,208,60,.6) 92%,transparent 92%);color:inherit;padding:0 1px}
/* header */
.hd{position:sticky;top:12px;z-index:10;padding-inline:16px;margin-top:12px}
.hd .wrap{max-width:1180px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding-inline:14px 10px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-radius:999px;box-shadow:0 10px 30px -16px rgba(31,47,79,.28),0 0 0 1px rgba(31,47,79,.05)}
.logo{display:flex;align-items:center;padding-left:12px}.logo img{height:40px;width:auto}
.nav{display:flex;gap:4px}
.nav a{font-size:14px;font-weight:500;text-decoration:none;color:var(--ink);padding:9px 16px;border-radius:999px}
.nav a:hover,.nav a[aria-current]{background:#eaf4fa;color:var(--will-deep)}
@media (max-width:860px){.nav{display:none}.hd .wrap{height:54px}.logo img{height:34px}}
/* breadcrumb */
.bc{font-size:12px;color:var(--muted);padding-block:22px 0}
.bc ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.bc li+li::before{content:"›";margin-right:6px}
.bc a{text-decoration:none}.bc a:hover{text-decoration:underline}
/* hero */
.phero{padding-block:28px 72px}
.phero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.phero .ph{border-radius:28px;overflow:hidden;background:var(--soft);aspect-ratio:4/5}
.phero .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 25%}
.phero h1{font-size:clamp(26px,3.2vw,40px);line-height:1.45;font-weight:700;margin-top:10px}
.phero h1 small{display:block;font-size:14px;font-weight:500;color:var(--muted);letter-spacing:.08em;margin-top:10px}
.phero .lead{margin-top:20px;font-size:16px}
.plogo{height:64px;width:auto;margin-bottom:6px}
.rating{margin-top:18px;font-size:13px;color:var(--muted)}
.rating b{color:var(--ink);font-size:15px}
.rating .st{color:#e0a50f;letter-spacing:2px}
@media (max-width:860px){.phero .wrap{grid-template-columns:1fr;gap:28px}.phero{padding-block:16px 48px}}
/* cta */
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.cta a{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 26px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;transition:background .2s}
.cta a.amz{background:#232f3e;color:#fff}.cta a.amz:hover{background:#37475a}
.cta a.amz img{height:26px;width:auto}
.cta a.rkt{background:#fff;border:1.5px solid #bf0000}.cta a.rkt img{height:24px;width:auto}
.cta a.rkt:hover{background:#fff5f5}
.cta a.yh{background:#fff;border:1.5px solid #ff0033;color:#ff0033}
.cta-note{margin-top:10px;font-size:12px;color:var(--muted)}
/* sections */
.sec{padding-block:88px}
.sec.soft{background:var(--soft)}
.sec.mist{background:linear-gradient(160deg,#f5fafd 0%,#e7f2f9 55%,#f3f0fb 100%)}
.sec h2{font-size:clamp(22px,2.4vw,30px);line-height:1.5;font-weight:700;margin:8px 0 28px}
.feat{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.feat li{background:#fff;border-radius:18px;padding:22px 20px;box-shadow:0 10px 24px -20px rgba(31,47,79,.45)}
.feat b{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.feat span{font-size:14px;line-height:1.8}
@media (max-width:860px){.feat{grid-template-columns:1fr}.sec{padding-block:60px}}
.twocol{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:860px){.twocol{grid-template-columns:1fr}}
.imgcard{border-radius:22px;overflow:hidden;background:#fff}
.imgcard figcaption{font-size:12px;color:var(--muted);padding:10px 14px}
table.spec{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border-radius:16px;overflow:hidden}
table.spec th,table.spec td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{width:32%;color:var(--ink);font-weight:700;background:#fafafa}
.models{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.models li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--ink)}
.note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.8}
.colors{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.colors li{font-size:13px;background:#fff;border-radius:999px;padding:6px 14px;box-shadow:inset 0 0 0 1px var(--line)}
/* faq */
.faq details{background:#fff;border-radius:16px;padding:0 20px;margin-bottom:10px;box-shadow:0 8px 20px -18px rgba(31,47,79,.5)}
.faq summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:700;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--will-deep)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 18px;font-size:15px}
/* android */
.andr{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
.andr a{display:block;background:#fff;border-radius:14px;padding:14px 16px;text-decoration:none;font-size:14px;color:var(--ink);box-shadow:0 8px 20px -18px rgba(31,47,79,.5)}
.andr a:hover{color:var(--will-deep)}
.andr small{display:block;font-size:11px;color:var(--muted)}
/* related */
.rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.rel a{display:flex;flex-direction:column;gap:6px;background:#fff;border-radius:20px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:0 10px 24px -20px rgba(31,47,79,.45)}
.rel img{aspect-ratio:4/3;object-fit:cover;width:100%}
.rel span{padding:0 16px 16px;font-size:14px;font-weight:700}
.rel small{display:block;font-weight:400;color:var(--muted);font-size:12px}
@media (max-width:860px){.rel{grid-template-columns:1fr 1fr}}
.cross{display:flex;gap:18px;align-items:center;background:#fff;border-radius:22px;padding:22px;box-shadow:0 10px 24px -20px rgba(31,47,79,.45);text-decoration:none;color:var(--ink)}
.cross img{width:110px;height:110px;object-fit:cover;border-radius:14px;flex:none}
.cross b{display:block;font-size:17px}
.cross span{font-size:14px;color:var(--body)}
/* sticky cta (mobile) */
.scta{display:none}
@media (max-width:860px){
 .scta{display:flex;gap:8px;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);padding:8px;border-radius:999px;box-shadow:0 12px 30px -12px rgba(31,47,79,.45)}
 .scta a{flex:1;display:flex;align-items:center;justify-content:center;min-height:46px;border-radius:999px;font-size:14px;font-weight:700;text-decoration:none}
 .scta a.amz{background:#232f3e;color:#fff;flex:1.4}.scta a.amz img{height:22px;width:auto}
 .scta a.rkt{border:1.5px solid #bf0000;color:#bf0000}
 body{padding-bottom:84px}
}
/* footer */
.ft{border-top:1px solid var(--line);padding-block:48px;margin-top:0}
.ft .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.ft img{height:52px;width:auto}
.ftl{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12px}
.ftl a{color:var(--muted);text-decoration:none}.ftl a:hover{color:var(--ink)}
.ft p{font-size:12px;color:var(--muted);line-height:1.8;margin-top:8px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}