:root{--gr:#e6e7e9;--gr2:#cfd1d5;--ink:#2e3135;--ye:#ffd400;--wh:#fff;--pa:#f4f4f2}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:'IBM Plex Sans JP',system-ui,sans-serif;color:var(--ink);background:var(--pa);line-height:1.75;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.mono{font-family:'IBM Plex Mono',monospace}
.strip{background:var(--ink);color:#fff;font-size:12px;text-align:center;padding:6px 10px}
header.site{background:var(--gr);border-bottom:4px solid var(--ye);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:10px;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo .mark{width:36px;height:36px;background:var(--ye);border:2px solid var(--ink);display:grid;place-items:center;font-weight:700;font-size:18px}
.logo b{font-size:17px;display:block;line-height:1.2}.logo small{font-family:'IBM Plex Mono';font-size:9px;letter-spacing:.12em;display:block}
.gnav{display:flex;gap:20px;font-size:13px;font-weight:500}.gnav a{text-decoration:none}
.ol-link{background:var(--ink);color:#fff;text-decoration:none;font-size:13px;font-weight:700;padding:8px 14px;white-space:nowrap}
.ol-link .n{background:var(--ye);color:var(--ink);margin-left:8px;padding:0 7px;font-family:'IBM Plex Mono'}
.cover{background:var(--gr);border-bottom:1px solid var(--gr2)}
.cover .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:0;align-items:stretch}
.cover .l{padding:44px 24px 44px 0}
.cover .tag{display:inline-block;background:var(--ye);font-family:'IBM Plex Mono';font-weight:600;font-size:12px;padding:2px 10px;letter-spacing:.08em}
.cover h1{font-size:clamp(30px,5vw,54px);line-height:1.25;margin:14px 0;font-weight:700}
.cover h1 u{text-decoration:none;box-shadow:inset 0 -.38em 0 var(--ye)}
.cover p{max-width:32em}
.cover .r{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:24px 0 24px 24px;background:repeating-linear-gradient(0deg,transparent,transparent 23px,#d5d7db 24px)}
.cover .r img{width:100%;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--ink);background:#fff}
.btn{display:inline-block;border:2px solid var(--ink);background:var(--ink);color:#fff;font:inherit;font-weight:700;padding:11px 24px;text-decoration:none;cursor:pointer}
.btn.ye{background:var(--ye);color:var(--ink)}.btn.line{background:#fff;color:var(--ink)}.btn.block{display:block;width:100%;text-align:center}
.sec{padding:40px 0}
.head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.head h2{font-size:clamp(22px,3.4vw,32px);font-weight:700;border-left:10px solid var(--ye);padding-left:12px}
.head .sub{font-family:'IBM Plex Mono';font-size:12px}
.tabs{display:flex;gap:3px;align-items:flex-end;overflow-x:auto;padding-top:6px}
.tabs button{flex:0 0 auto;border:2px solid var(--ink);border-bottom:0;background:var(--gr2);font:inherit;font-weight:700;font-size:13px;padding:9px 16px 7px;cursor:pointer;border-radius:10px 10px 0 0;color:var(--ink);white-space:nowrap}
.tabs button .c{font-family:'IBM Plex Mono';font-size:11px;margin-left:6px}
.tabs button.on{background:var(--ye);padding-top:13px}
.panel{border:2px solid var(--ink);background:#fff;padding:18px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--gr2);border-left:1px solid var(--gr2)}
.item{display:block;text-decoration:none;padding:12px;border-right:1px solid var(--gr2);border-bottom:1px solid var(--gr2);background:#fff}
.item:hover{background:#fffbe0}
.item .no{font-family:'IBM Plex Mono';font-weight:600;font-size:11px;background:var(--ink);color:#fff;display:inline-block;padding:0 7px}
.item .ph{aspect-ratio:4/3;overflow:hidden;margin:8px 0;background:var(--gr)}.item .ph img{width:100%;height:100%;object-fit:cover}
.item .nm{font-weight:700;font-size:14px;line-height:1.5;min-height:4.5em}
.item .sz{font-family:'IBM Plex Mono';font-size:11px;color:#555;margin-top:4px;min-height:2.2em}
.item .pr{margin-top:6px;font-family:'IBM Plex Mono';font-weight:600;font-size:20px;border-top:2px solid var(--ye);padding-top:4px}.item .pr small{font-family:'IBM Plex Sans JP';font-size:10px;font-weight:400;margin-left:6px}
.promise{background:var(--ink);color:#fff;padding:40px 0}.promise .head h2{border-color:var(--ye)}
.promise .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid #666}
.promise .col{padding:22px;border-right:1px solid #666}.promise .col:last-child{border:0}
.promise .col .n{font-family:'IBM Plex Mono';color:var(--ye);font-size:13px}.promise h3{font-size:18px;margin:4px 0 6px}
footer.site{background:var(--gr);padding:34px 0 20px;font-size:13px;border-top:4px solid var(--ye)}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}footer.site b{font-size:17px}footer.site h4{margin-bottom:6px}footer.site li{list-style:none;margin:3px 0}footer.site a{text-decoration:none;border-bottom:1px solid var(--ink)}
footer.site .copy{margin-top:22px;font-size:11px;color:#666}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,40px);background:var(--ink);color:#fff;font-weight:700;padding:11px 22px;opacity:0;transition:.25s;z-index:60;pointer-events:none;border-left:8px solid var(--ye)}.toast.show{opacity:1;transform:translate(-50%,0)}
.ptitle{background:var(--gr);border-bottom:1px solid var(--gr2);padding:28px 0}.ptitle h1{font-size:clamp(26px,4.4vw,40px);border-left:10px solid var(--ye);padding-left:12px}.ptitle p{font-family:'IBM Plex Mono';font-size:12px;margin:4px 0 0 22px}
.crumb{font-size:12px;margin:16px 0}.crumb a{text-decoration:none;border-bottom:1px solid var(--ink)}
.pd{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:40px}
.main-img{border:2px solid var(--ink);background:#fff;aspect-ratio:1/1;overflow:hidden}.main-img img{width:100%;height:100%;object-fit:contain}.main-img:not(.sub) img{object-fit:cover}
.cap{font-size:11px;color:#555;margin-top:6px}
.thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.thumbs button{width:60px;height:60px;border:2px solid var(--gr2);padding:0;cursor:pointer;background:#fff}.thumbs button.on{border-color:var(--ink);box-shadow:0 3px 0 var(--ye)}.thumbs img{width:100%;height:100%;object-fit:cover}
.pd .no{font-family:'IBM Plex Mono';background:var(--ink);color:#fff;font-size:12px;padding:0 8px}
.pd h1{font-size:clamp(20px,3vw,28px);line-height:1.4;margin:8px 0}
.price{font-family:'IBM Plex Mono';font-weight:600;font-size:34px;border-bottom:3px solid var(--ye);display:inline-block}.price small{font-family:'IBM Plex Sans JP';font-size:12px;font-weight:400;margin-left:8px}
.desc{white-space:pre-line;margin:14px 0}
.opt{margin:12px 0}.opt .t{font-weight:700;font-size:13px;margin-bottom:5px}.opt .t span{background:var(--ye);padding:0 6px}
.vals{display:flex;flex-wrap:wrap;gap:5px}.vals button{border:2px solid var(--ink);background:#fff;padding:4px 12px;font:inherit;font-size:13px;cursor:pointer}.vals button.on{background:var(--ink);color:#fff}
.fld{margin:12px 0}.fld label{display:block;font-weight:700;font-size:13px;margin-bottom:4px}.fld input{width:100%;font:inherit;padding:9px 12px;border:2px solid var(--ink);background:#fff;border-radius:0}
.buy{display:flex;gap:10px;margin:16px 0 8px;align-items:stretch}
.qty{display:flex;border:2px solid var(--ink);background:#fff}.qty button{width:36px;border:0;background:none;font-size:18px;cursor:pointer}.qty input{width:38px;text-align:center;border:0;font:inherit;font-weight:700;background:none}
.buy .btn{flex:1}.msg{color:#b00020;font-weight:700;font-size:13px;min-height:20px}
.ship{list-style:none;margin:10px 0;font-size:13px}.ship li{padding-left:16px;position:relative}.ship li:before{content:'';position:absolute;left:0;top:.65em;width:8px;height:8px;background:var(--ye);border:1px solid var(--ink)}
.label{margin-top:16px}.label h3{font-size:16px;margin-bottom:6px}.label table{width:100%;border-collapse:collapse;font-size:13px;background:#fff;border:2px solid var(--ink)}
.label th{width:27%;text-align:left;background:var(--gr);padding:8px 10px;vertical-align:top;border-bottom:1px solid var(--gr2)}.label td{padding:8px 10px;border-bottom:1px solid var(--gr2)}
.note-box{margin-top:12px;font-size:12px;border:1px dashed var(--ink);padding:10px 12px;background:#fff}.note-box p+p{margin-top:6px}.warn{font-weight:700}
.related{margin:20px 0 50px}.related .grid{grid-template-columns:repeat(4,1fr)}
.empty{text-align:center;padding:60px 0}
.cart{display:grid;grid-template-columns:1fr 330px;gap:24px;margin:28px 0 50px}
.row{display:grid;grid-template-columns:80px 1fr auto;gap:14px;background:#fff;border:1px solid var(--gr2);padding:10px;margin-bottom:8px;align-items:center}
.row img{width:80px;height:80px;object-fit:cover}.row .nm{font-weight:700;text-decoration:none}.row .op{font-size:12px;color:#555}
.row .rm{background:none;border:0;text-decoration:underline;cursor:pointer;font:inherit;font-size:12px;margin-top:4px}.row .sub{font-family:'IBM Plex Mono';font-weight:600}
.row .qty{display:inline-flex;margin-top:6px}.row .qty button{width:28px}.row .qty input{width:30px}
.sum{background:#fff;border:2px solid var(--ink);padding:20px;align-self:start;box-shadow:6px 6px 0 var(--ye)}
.sum dl{display:grid;grid-template-columns:1fr auto;gap:8px}.sum dd{text-align:right;font-family:'IBM Plex Mono';font-weight:600}.sum .total{font-weight:700;font-size:18px;border-top:2px solid var(--ink);padding-top:8px;margin-top:4px}
.sum .free{font-size:12px;margin:12px 0}
.modal{position:fixed;inset:0;background:rgba(30,32,35,.65);display:none;place-items:center;z-index:70;padding:16px}.modal.show{display:grid}
.modal .box{background:#fff;border:2px solid var(--ink);padding:24px;max-width:420px;width:100%;box-shadow:8px 8px 0 var(--ye)}.modal h3{margin-bottom:8px}.modal p{margin-bottom:14px;font-size:14px}
.legal{max-width:820px;margin:28px auto 60px;padding:0 16px}.legal .lead{margin-bottom:18px}
.legal table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:2px solid var(--ink)}.legal th{width:30%;text-align:left;vertical-align:top;background:var(--gr);padding:11px 13px;border-bottom:1px solid var(--gr2)}.legal td{padding:11px 13px;border-bottom:1px solid var(--gr2)}
.legal h2{font-size:17px;margin:22px 0 6px;border-left:8px solid var(--ye);padding-left:10px}.legal ul{margin-left:1.4em}.legal p{margin:6px 0}
@media(max-width:860px){.cover .wrap{grid-template-columns:1fr}.cover .l{padding:30px 0 14px}.cover .r{padding:14px 0 24px}.grid{grid-template-columns:repeat(2,1fr)}.related .grid{grid-template-columns:repeat(2,1fr)}.pd{grid-template-columns:1fr;gap:20px}.cart{grid-template-columns:1fr}.promise .cols{grid-template-columns:1fr}.promise .col{border-right:0;border-bottom:1px solid #666}.gnav{display:none}footer.site .cols{grid-template-columns:1fr}.item .nm{font-size:12.5px}.item .pr{font-size:17px}.panel{padding:8px}.legal th{width:34%}}

/* 口コミ */
.stars{color:#cfd1d5;letter-spacing:.05em;font-size:15px;line-height:1;white-space:nowrap}
.stars .on{color:#d9a400}
.card-rv{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:6px;font-size:12px;color:#666b72;line-height:1.4}
.card-rv .stars{font-size:13px}
.card-rv .n{font-weight:700;color:var(--ink)}
.card-rv .c{text-decoration:underline;text-underline-offset:3px}
.pd-rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:6px 0 4px;font-size:13px;color:#666b72}
.pd-rating[hidden]{display:none}
.pd-rating .n{font-weight:700;color:var(--ink)}
.pd-rating a{text-decoration:underline;text-underline-offset:3px}
.reviews[hidden]{display:none!important}
.reviews{padding:10px 0 20px}
.rv-summary{display:flex;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.rv-summary .stars{font-size:20px}
.rv-avg{font-family:'IBM Plex Sans JP',sans-serif;font-weight:700;font-size:26px;line-height:1;color:var(--ink)}
.rv-count{font-size:13px;color:#666b72}
.rv-list{list-style:none;max-width:860px}
.rv[hidden]{display:none}
.rv{background:#fff;border:1px solid var(--gr2);border-left:6px solid var(--ye);padding:14px 16px;margin-bottom:10px}
.rv-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.rv-badge{font-family:'IBM Plex Mono';font-size:11px;background:var(--ink);color:#fff;padding:0 8px;line-height:1.9}
.rv h4{font-family:'IBM Plex Sans JP',sans-serif;font-size:16px;font-weight:700;margin-top:8px;line-height:1.6;color:var(--ink)}
.rv-item{font-size:12px;color:#666b72;margin-top:2px}
.rv-item a{text-decoration:underline;text-underline-offset:3px}
.rv p{font-size:14px;margin-top:8px;white-space:pre-wrap;overflow-wrap:anywhere}
.rv-meta{font-size:12px;color:#666b72;margin-top:10px}
.rv-more{margin-top:20px;font:inherit;font-weight:700;background:#fff;color:var(--ink);border:2px solid var(--ink);padding:10px 22px;cursor:pointer}
@media(max-width:480px){.rv-more{width:100%}}