:root{
  --navy:#14263f;--navy-2:#2a4468;--ink:#1d2533;--muted:#6b7585;--line:#e3e7ee;
  --bg:#ffffff;--sand:#f5f3ee;--sea:#dfe9f3;--accent:#c9a46a;--star:#d9a441;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Zen Kaku Gothic New","Hiragino Sans",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.en{font-family:"Jost",sans-serif;letter-spacing:.18em}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* header */
.notice-bar{background:var(--navy);color:#fff;text-align:center;font-size:12px;padding:8px 16px;letter-spacing:.06em}
header.site{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;flex-direction:column;line-height:1.1}
.logo .en{font-size:19px;font-weight:500;color:var(--navy)}
.logo small{font-size:10px;color:var(--muted);letter-spacing:.2em;margin-top:3px}
nav.gnav{display:flex;gap:28px;font-size:13px}
nav.gnav a{color:var(--navy);letter-spacing:.1em}
nav.gnav a:hover{opacity:.6}
.cart-link{position:relative;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--navy)}
.cart-link svg{width:22px;height:22px}
.cart-count{position:absolute;top:-6px;left:14px;background:var(--accent);color:#fff;font-size:10px;min-width:17px;height:17px;border-radius:9px;display:grid;place-items:center;padding:0 4px}

/* hero */
.hero{position:relative;background:var(--sea);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;min-height:520px;padding-top:40px;padding-bottom:40px}
.hero h1{font-weight:400;font-size:40px;line-height:1.5;color:var(--navy);letter-spacing:.08em}
.hero .lead{margin:20px 0 32px;color:var(--navy-2);font-size:15px}
.hero .kicker{font-size:12px;color:var(--navy-2);margin-bottom:18px}
.hero-imgs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-imgs img{aspect-ratio:1/1;object-fit:cover;width:100%;background:#fff}
.hero-imgs img:nth-child(2){margin-top:48px}
.wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:40px;color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 36px;background:var(--navy);color:#fff;border:1px solid var(--navy);font-size:14px;letter-spacing:.12em;transition:.2s}
.btn:hover{background:#fff;color:var(--navy)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.btn.block{width:100%}

/* sections */
section.sec{padding:88px 0}
.sec-head{text-align:center;margin-bottom:44px}
.sec-head .en{font-size:26px;color:var(--navy);font-weight:400}
.sec-head p{font-size:13px;color:var(--muted);margin-top:4px}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:40px}
.chip{border:1px solid var(--line);background:#fff;color:var(--navy);padding:7px 18px;font-size:13px;border-radius:999px}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px 24px}
.card .ph{position:relative;aspect-ratio:1/1;background:var(--sand);overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .ph img{transform:scale(1.04)}
.card .cat{font-size:11px;color:var(--muted);margin-top:14px;letter-spacing:.1em}
.card .nm{font-size:14px;margin-top:2px;line-height:1.6}
.card .row{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.card .pr{font-family:"Jost",sans-serif;font-size:15px;color:var(--navy)}
.card .pr small{font-size:10px;color:var(--muted);margin-left:2px}

/* concept */
.concept{background:var(--sand)}
.concept .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.concept img{aspect-ratio:1/1;object-fit:cover;width:100%}
.concept h2{font-weight:400;font-size:26px;color:var(--navy);line-height:1.7;margin-bottom:22px}
.concept p{color:#3c4656;margin-bottom:14px}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
.point{background:#fff;padding:28px 24px;text-align:center}
.point .en{font-size:12px;color:var(--accent)}
.point h3{font-size:15px;font-weight:500;color:var(--navy);margin:6px 0 8px}
.point p{font-size:13px;color:var(--muted)}


/* product page */
.crumb{font-size:12px;color:var(--muted);padding:20px 0}
.crumb a:hover{color:var(--navy)}
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;padding-bottom:64px}
.gal-main{aspect-ratio:1/1;background:var(--sand)}
.gal-main img{width:100%;height:100%;object-fit:contain}
.thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:10px}
.thumbs button{border:1px solid transparent;padding:0;background:var(--sand);aspect-ratio:1/1}
.thumbs button.on{border-color:var(--navy)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.pd h1{font-size:22px;font-weight:500;color:var(--navy);line-height:1.6}
.pd .cat{font-size:12px;color:var(--muted);letter-spacing:.1em}
.pd .price{font-family:"Jost",sans-serif;font-size:28px;color:var(--navy);margin:14px 0 4px}
.pd .price small{font-size:12px;color:var(--muted);font-family:inherit;margin-left:4px}
.opt{margin-bottom:22px}
.opt label.t{display:block;font-size:12px;color:var(--muted);margin-bottom:8px;letter-spacing:.1em}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts button{border:1px solid var(--line);background:#fff;padding:7px 14px;font-size:13px;min-width:48px;color:var(--ink)}
.opts button.on{border-color:var(--navy);background:var(--navy);color:#fff}
.qty{display:inline-flex;border:1px solid var(--line)}
.qty button{width:40px;height:40px;background:#fff;border:0;font-size:16px}
.qty input{width:52px;text-align:center;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);font:inherit}
.msg{font-size:13px;color:#b0413e;min-height:22px;margin:8px 0}
.ok-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(80px);background:var(--navy);color:#fff;padding:14px 26px;font-size:14px;transition:.3s;z-index:50;opacity:0}
.ok-toast.show{transform:translateX(-50%);opacity:1}
.ship-box{background:var(--sand);padding:16px 18px;font-size:12px;color:#4a5466;margin-top:22px}
.ship-box li{list-style:none;padding-left:1em;text-indent:-1em}
.ship-box li::before{content:"・"}
.tabs{border-top:1px solid var(--line);margin-top:28px}
.tabs details{border-bottom:1px solid var(--line)}
.tabs summary{padding:16px 0;font-size:14px;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.tabs summary::after{content:"+";font-family:"Jost"}
.tabs details[open] summary::after{content:"−"}
.tabs .body{padding:0 0 18px;font-size:13px;white-space:pre-line;color:#3c4656}
.related{padding:64px 0 88px;border-top:1px solid var(--line)}

/* cart */
.page-title{text-align:center;padding:56px 0 36px}
.page-title .en{font-size:24px;color:var(--navy)}
.cart-wrap{display:grid;grid-template-columns:1fr 340px;gap:40px;padding-bottom:88px}
.cart-item{display:grid;grid-template-columns:96px 1fr auto;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.cart-item img{width:96px;height:96px;object-fit:cover;background:var(--sand)}
.cart-item .nm{font-size:14px;color:var(--navy)}
.cart-item .op{font-size:12px;color:var(--muted)}
.cart-item .rm{background:none;border:0;font-size:12px;color:var(--muted);text-decoration:underline;margin-top:8px}
.cart-item .sub{font-family:"Jost";color:var(--navy);text-align:right}
.summary{background:var(--sand);padding:28px;height:fit-content;position:sticky;top:96px}
.summary dl{display:grid;grid-template-columns:1fr auto;gap:10px;font-size:14px;margin-bottom:20px}
.summary dt.total,.summary dd.total{font-size:17px;color:var(--navy);border-top:1px solid #dcd7cc;padding-top:12px}
.summary dd{font-family:"Jost";text-align:right}
.summary .free{font-size:12px;color:var(--navy-2);margin-bottom:18px}
.empty{text-align:center;padding:40px 0 100px;color:var(--muted)}
.empty .btn{margin-top:24px}
.modal{position:fixed;inset:0;background:rgba(20,38,63,.45);display:none;align-items:center;justify-content:center;z-index:60;padding:16px}
.modal.show{display:flex}
.modal .box{background:#fff;max-width:420px;width:100%;padding:32px;text-align:center}
.modal .box h3{color:var(--navy);font-weight:500;margin-bottom:10px}
.modal .box p{font-size:13px;color:#4a5466;margin-bottom:22px}

/* legal */
.legal{max-width:820px;margin:0 auto;padding:0 24px 96px}
.legal .lead-note{background:#fff6e5;border:1px solid #f0d9a8;color:#8a5a12;padding:12px 16px;font-size:13px;margin-bottom:24px}
.legal table{width:100%;border-collapse:collapse;font-size:14px}
.legal th,.legal td{border-bottom:1px solid var(--line);padding:16px 10px;vertical-align:top;text-align:left}
.legal th{width:30%;color:var(--navy);font-weight:500;background:#fafbfc}
.legal h2{font-size:16px;color:var(--navy);font-weight:500;margin:32px 0 10px}
.legal p,.legal li{font-size:14px;color:#3c4656}
.legal ul{padding-left:1.3em}

/* footer */
footer.site{background:var(--navy);color:#cfd7e3;padding:64px 0 28px;font-size:13px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
footer.site .en{color:#fff;font-size:18px}
footer.site h4{color:#fff;font-weight:400;font-size:12px;letter-spacing:.18em;margin-bottom:12px;font-family:"Jost"}
footer.site li{list-style:none;margin-bottom:8px}
footer.site a:hover{color:#fff}
footer.site .copy{border-top:1px solid rgba(255,255,255,.15);margin-top:44px;padding-top:20px;font-size:11px;text-align:center;letter-spacing:.1em}

@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr);gap:32px 14px}
  .hero .wrap,.concept .wrap,.pd,.cart-wrap{grid-template-columns:1fr}
  .hero .wrap{min-height:auto;padding-top:48px;padding-bottom:72px;gap:32px}
  .hero h1{font-size:28px}
  .points{grid-template-columns:1fr}
  nav.gnav{display:none}
  footer.site .cols{grid-template-columns:1fr}
  section.sec{padding:64px 0}
  .summary{position:static}
}
@media (max-width:480px){
  .wrap{padding:0 16px}
  .card .nm{font-size:13px}
  .cart-item{grid-template-columns:72px 1fr}
  .cart-item img{width:72px;height:72px}
  .cart-item .sub{grid-column:2;text-align:left}
  .legal th{width:36%}
}

/* reviews */
.card-w{display:flex;flex-direction:column;min-width:0}
.card-rv{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;margin-top:6px;padding:4px 0;background:none;border:0;font:inherit;font-size:12px;color:var(--muted);cursor:pointer}
.card-rv .stars{font-size:13px}
.card-rv .n{font-family:"Jost",sans-serif;color:var(--navy)}
.card-rv u{text-underline-offset:3px}
.card-rv:hover u{color:var(--navy)}
.rv-sheet{position:fixed;inset:0;z-index:60;background:rgba(20,38,63,.45);display:flex;align-items:center;justify-content:center;padding:16px}
.rv-sheet[hidden]{display:none}
.rv-sheet-box{background:#fff;width:100%;max-width:640px;max-height:86vh;overflow:auto;padding:24px 24px 28px}
.rv-sheet-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:18px}
.rv-sheet-head h3{font-size:16px;font-weight:500;color:var(--navy);line-height:1.6}
.rv-sheet-x{background:none;border:0;font-size:24px;line-height:1;color:var(--navy);cursor:pointer;padding:0 4px}
.rv-sheet .rv-summary{margin-bottom:8px}
.rv-sheet-go{display:flex;margin-top:22px}
@media (max-width:480px){.rv-sheet{align-items:flex-end;padding:0}.rv-sheet-box{max-height:88vh;padding:20px 16px 24px}}
.stars{color:#d6dae1;letter-spacing:.06em;font-size:15px}
.stars .on{color:var(--star)}
.reviews{padding:64px 0 24px;border-top:1px solid var(--line)}
.rv-summary{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:28px}
.rv-summary .stars{font-size:20px}
.rv-avg{font-size:24px;color:var(--navy)}
.rv-count{font-size:13px;color:var(--muted)}
.rv-list{list-style:none;max-width:820px;margin:0 auto}
.rv{padding:22px 0;border-bottom:1px solid var(--line)}
.rv-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.rv-badge{font-size:11px;color:var(--navy-2);background:var(--sea);padding:1px 8px;letter-spacing:.04em}
.rv h4{font-size:15px;color:var(--navy);font-weight:500;margin-top:6px}
.rv-item{font-size:12px;color:var(--muted);margin-top:2px}
.rv-item a{text-decoration:underline}
.rv p{font-size:14px;color:#3c4656;margin-top:8px;white-space:pre-wrap;overflow-wrap:anywhere}
.rv-meta{font-size:12px;color:var(--muted);margin-top:10px}
.rv-empty{text-align:center;color:var(--muted);font-size:14px}
.rv-more{display:flex;margin:28px auto 0}
.pd-rating{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:-4px 0 10px}
.pd-rating a{text-decoration:underline}
@media (max-width:480px){.rv-summary{flex-wrap:wrap}.rv-more{width:100%}}
[hidden]{display:none!important}