/* PERFECT JEWELRY — soft light theme（女性向け・ユニセックス寄り） */
:root{
  --pj-bg:#fbf9f9;          /* soft white（ほんのり温かみ） */
  --pj-bg2:#f2eceb;         /* blush greige（交互セクション） */
  --pj-ink:#2c2830;         /* 墨に少し紫を含む文字色 */
  --pj-sub:#6f6772;         /* muted */
  --pj-line:#e5dcdb;
  --pj-gold:#875e69;        /* accent：くすみローズ（AA 4.69〜5.22 : 1） */
  --pj-gold-d:#714d57;
  --pj-deep:#37313b;        /* ボタン・帯 */
  --sans:"Noto Sans JP","Helvetica Neue",-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;
  --serif:"Shippori Mincho B1",Georgia,"Hiragino Mincho ProN","Yu Mincho",YuMincho,serif;
  --hero-h:max(400px, min(calc(100vh - 167px), 62vw));
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--pj-bg);color:var(--pj-ink);line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 30px}
.center{text-align:center}
.eyebrow{font-size:10.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--pj-gold);font-weight:600}
.sec-title{font-family:var(--serif);font-size:clamp(21px,2.4vw,30px);font-weight:500;letter-spacing:.05em;margin-top:10px;line-height:1.5}
section{padding:82px 0}
.sec-head{text-align:center;margin-bottom:48px}
.sec-lead{max-width:600px;margin:16px auto 0;font-size:13.5px;color:var(--pj-sub)}
a:focus-visible,button:focus-visible{outline:2px solid var(--pj-gold);outline-offset:2px}

.btn{display:inline-block;background:var(--pj-deep);color:#fff;font-weight:700;letter-spacing:.16em;font-size:12.5px;padding:16px 42px;border:1px solid var(--pj-deep);transition:.28s;cursor:pointer;font-family:inherit}
.btn:hover{background:transparent;color:var(--pj-deep)}
.btn-ghost{background:transparent;color:var(--pj-ink);border-color:var(--pj-line)}
.btn-ghost:hover{background:var(--pj-ink);color:#fff;border-color:var(--pj-ink)}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* header */
.topbar{background:var(--pj-deep);color:#e8dcdd;font-size:11px;letter-spacing:.14em;text-align:center;padding:9px 0}
header{position:sticky;top:0;z-index:60;background:rgba(251,249,249,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--pj-line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:77px;gap:20px}
.nav .logo img{height:52px;width:auto}
.nav-links{display:flex;gap:30px;font-size:12px;letter-spacing:.16em;font-weight:500}
.nav-links a{position:relative;padding:6px 0;color:var(--pj-ink);transition:color .2s}
.nav-links a:hover{color:var(--pj-gold)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--pj-gold);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-ic{display:flex;gap:18px;align-items:center}
.icon-btn{background:none;border:none;padding:2px;cursor:pointer;display:inline-flex;position:relative;line-height:0}
.icon-btn svg{width:21px;height:21px;stroke:var(--pj-ink);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s}
.icon-btn:hover svg{stroke:var(--pj-gold)}
.badge{position:absolute;top:-5px;right:-7px;min-width:16px;height:16px;border-radius:8px;background:var(--pj-gold);color:#fff;font-size:10px;font-weight:700;display:none;align-items:center;justify-content:center;padding:0 4px;line-height:1}
.menu-btn{display:none}

/* hero */
.hero{position:relative;height:var(--hero-h);overflow:hidden;background:#efe9e8;padding:0}
.hero picture,.hero img{width:100%;height:100%;display:block}
.hero img{object-fit:cover;object-position:center}
.hero .veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(251,249,249,.94) 0%,rgba(251,249,249,.78) 34%,rgba(251,249,249,.18) 62%,rgba(251,249,249,0) 82%)}
.hero .copy{position:absolute;inset:0;display:flex;align-items:center}
.hero .copy .wrap{width:100%}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(28px,4.6vw,52px);line-height:1.22;letter-spacing:.03em;margin:16px 0 0}
.hero .sub{margin-top:20px;font-size:clamp(12.5px,1.4vw,14.5px);color:#584f5c;max-width:30em}
.hero .brand{margin-top:16px;font-size:10.5px;letter-spacing:.42em;color:var(--pj-gold-d)}
.hero .eyebrow{color:var(--pj-gold-d)}

/* strip */
.strip{background:var(--pj-deep);color:#cec2c5;font-size:11px;letter-spacing:.18em;padding:17px 0}
.strip .wrap{display:flex;justify-content:center;gap:44px;flex-wrap:wrap;text-align:center}
.strip b{color:var(--pj-gold);font-weight:600}

/* concept */
.concept{background:var(--pj-bg)}
.concept .lead{font-family:var(--serif);font-size:clamp(20px,2.7vw,32px);line-height:1.85;letter-spacing:.04em;text-align:center}
.concept .lead .g{color:var(--pj-gold)}
.concept p.body{max-width:640px;margin:28px auto 0;font-size:14px;color:var(--pj-sub);text-align:center}

/* feature cards */
.feat{background:var(--pj-bg2)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.fcard{border:1px solid var(--pj-line);padding:34px 28px;background:#fff}
.fcard .n{font-size:10.5px;letter-spacing:.28em;color:var(--pj-gold)}
.fcard h3{font-family:var(--serif);font-size:17.5px;font-weight:500;margin:12px 0 12px;line-height:1.6}
.fcard p{font-size:13px;color:var(--pj-sub)}

/* product showcase */
.showcase{background:var(--pj-bg)}
.sc-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:stretch}
.sc-body{display:flex;flex-direction:column;justify-content:center}
.sc-media{background:#fff;border:1px solid var(--pj-line);aspect-ratio:1/1;overflow:hidden;padding:3%}
.sc-media img{width:100%;height:100%;object-fit:contain}
.sc-body .tag{font-size:10.5px;letter-spacing:.24em;color:var(--pj-gold);text-transform:uppercase}
.sc-body h2{font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);font-weight:500;margin:12px 0 6px;line-height:1.45}
.sc-body .jp{font-size:13px;color:var(--pj-sub);letter-spacing:.06em}
.sc-body p{margin-top:16px;font-size:13.5px;line-height:1.85;color:#544c58}
.sc-price{margin-top:20px;font-size:27px;font-weight:600;letter-spacing:.02em}
.sc-price small{font-size:12px;color:var(--pj-sub);font-weight:400;margin-left:6px}
.sc-body .btn{margin-top:22px;align-self:flex-start}
.sc-spec{margin-top:20px;border-top:1px solid var(--pj-line)}
.sc-spec div{display:flex;gap:16px;padding:9px 0;border-bottom:1px solid var(--pj-line);font-size:12.5px}
.sc-spec dt,.sc-spec .k{color:var(--pj-sub);min-width:104px;flex:none}

/* story */
.story{background:var(--pj-bg2)}
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-media{border:1px solid var(--pj-line);overflow:hidden;aspect-ratio:4/5;background:#fff}
.story-media img{width:100%;height:100%;object-fit:cover}
.story h2{font-family:var(--serif);font-size:clamp(21px,2.4vw,29px);font-weight:500;line-height:1.6;margin:12px 0 20px}
.story p{font-size:13.5px;color:var(--pj-sub)}
.story p+p{margin-top:16px}

/* device notice */
.device{background:var(--pj-bg)}
.dev-box{border:1px solid var(--pj-line);padding:34px 34px 30px;background:#fff}
.dev-box h3{font-family:var(--serif);font-size:17px;font-weight:500;margin-bottom:14px;color:var(--pj-gold)}
.dev-box p{font-size:12.5px;color:var(--pj-sub)}
.dev-box .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 30px;margin-top:16px}
.dev-box .grid div{display:flex;gap:14px;font-size:12.5px;border-bottom:1px solid var(--pj-line);padding-bottom:9px}
.dev-box .grid .k{color:var(--pj-sub);min-width:96px;flex:none}

/* CTA */
.cta{background:var(--pj-bg2);text-align:center}
.cta h2{font-family:var(--serif);font-size:clamp(22px,2.8vw,34px);font-weight:500;line-height:1.6}
.cta p{margin-top:16px;font-size:13.5px;color:var(--pj-sub)}
.cta .btn{margin-top:30px}

/* footer */
footer{background:var(--pj-deep);border-top:1px solid var(--pj-line);padding:56px 0 30px;color:#bdb2b8}
.f-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.f-brand img{height:40px;width:auto;margin-bottom:14px}
.f-brand p{font-size:12px;max-width:26em}
.f-links{display:flex;gap:52px}
.f-links h4{font-size:10.5px;letter-spacing:.22em;color:#fff;margin-bottom:14px;font-weight:600}
.f-links a{display:block;font-size:12.5px;padding:5px 0;transition:color .2s}
.f-links a:hover{color:#e7ccd2}
.f-bot{margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:11px}

/* ---- product detail ---- */
.crumb{font-size:11.5px;color:var(--pj-sub);padding:22px 0 0;letter-spacing:.04em}
.crumb a:hover{color:var(--pj-gold)}
.pdp{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;padding:30px 0 76px}
.gal .main{aspect-ratio:1/1;background:#fff;border:1px solid var(--pj-line);overflow:hidden;padding:4%}
.gal .main img{width:100%;height:100%;object-fit:contain}
.gal .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.gal .thumbs button{width:74px;height:74px;background:#fff;border:1px solid var(--pj-line);padding:4px;cursor:pointer;opacity:.6;transition:.2s}
.gal .thumbs button:hover{opacity:1;border-color:var(--pj-gold-d)}
.gal .thumbs button.on{opacity:1;border-color:var(--pj-gold)}
.gal .thumbs img{width:100%;height:100%;object-fit:contain}
.pdp .tag{font-size:10.5px;letter-spacing:.22em;color:var(--pj-gold);text-transform:uppercase}
.pdp h1{font-family:var(--serif);font-size:clamp(21px,2.5vw,29px);font-weight:500;line-height:1.5;margin:10px 0 4px}
.pdp .jp{font-size:12.5px;color:var(--pj-sub)}
.pdp .price{font-size:29px;font-weight:600;margin-top:22px}
.pdp .price small{font-size:12px;color:var(--pj-sub);font-weight:400;margin-left:7px}
.qtyrow{display:flex;align-items:center;gap:16px;margin:26px 0 0}
.qtyrow .lb{font-size:12.5px;color:var(--pj-sub)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--pj-line)}
.qty button{width:42px;height:44px;background:#fff;border:none;color:var(--pj-ink);font-size:17px;cursor:pointer;font-family:inherit}
.qty button:hover{color:var(--pj-gold)}
.qty b{min-width:44px;text-align:center;font-size:15px;font-weight:600}
.cart-row{margin-top:26px}
.cart-row .btn{width:100%;text-align:center}
.notes{margin-top:20px;display:grid;gap:10px}
.notes div{display:flex;gap:10px;font-size:12.5px;color:var(--pj-sub);align-items:flex-start}
.notes svg{width:17px;height:17px;flex:none;stroke:var(--pj-gold);fill:none;stroke-width:1.5;margin-top:3px}
.block-title{font-family:var(--serif);font-size:19px;font-weight:500;letter-spacing:.06em;margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--pj-line)}
.spec-table{width:100%;border-collapse:collapse;font-size:13px}
.spec-table th,.spec-table td{border-bottom:1px solid var(--pj-line);padding:13px 6px;text-align:left;vertical-align:top}
.spec-table th{width:170px;color:var(--pj-sub);font-weight:500}
.detail-sec{padding:0 0 76px}
.detail-sec .inner{max-width:900px}
.detail-sec .lede{font-size:14px;color:#544c58}
.caution{border:1px solid var(--pj-line);background:#fff;padding:30px 32px;margin-top:30px}
.caution h3{font-family:var(--serif);font-size:16px;color:var(--pj-gold);font-weight:500;margin-bottom:6px}
.caution h4{font-size:12.5px;letter-spacing:.08em;margin:20px 0 8px;color:var(--pj-ink)}
.caution ul{margin:0;padding-left:1.15em}
.caution li{font-size:12.5px;color:var(--pj-sub);margin-bottom:5px;line-height:1.85}
.caution .src{margin-top:20px;font-size:12px;color:#635b68;border-top:1px solid var(--pj-line);padding-top:14px}
.figrow{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:26px}
.figrow figure{border:1px solid var(--pj-line);background:#fff}
.figrow img{width:100%;height:auto}
.figrow figcaption{font-size:12px;color:var(--pj-sub);padding:12px 14px}

/* cart drawer */
.cart-ov{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:120;opacity:0;visibility:hidden;transition:.3s}
.cart-panel{position:fixed;top:0;right:0;height:100%;width:min(400px,92vw);background:#fff;border-left:1px solid var(--pj-line);z-index:121;transform:translateX(102%);transition:transform .35s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
body.cart-open .cart-ov{opacity:1;visibility:visible}
body.cart-open .cart-panel{transform:none}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid var(--pj-line)}
.cart-head h2{font-family:var(--serif);font-size:16px;font-weight:500;letter-spacing:.1em}
.cart-close{background:#fff;border:none;color:var(--pj-ink);font-size:26px;line-height:1;cursor:pointer}
.cart-body{flex:1;overflow:auto;padding:20px 24px}
.cart-empty{font-size:13px;color:var(--pj-sub);text-align:center;padding:40px 0}
.ci{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--pj-line)}
.ci img{width:64px;height:64px;object-fit:contain;background:#fff;border:1px solid var(--pj-line);padding:3px;flex:none}
.ci-name{font-size:12.5px;line-height:1.5}
.ci-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:12.5px;gap:10px}
.ci-qty{display:inline-flex;align-items:center;border:1px solid var(--pj-line)}
.ci-qty button{width:26px;height:26px;background:#fff;border:none;color:var(--pj-ink);cursor:pointer;font-family:inherit}
.ci-qty b{min-width:26px;text-align:center;font-size:12px}
.ci-rm{background:#fff;border:none;color:#8b8390;font-size:11px;cursor:pointer;padding:6px 0 0;text-decoration:underline;font-family:inherit}
.cart-foot{border-top:1px solid var(--pj-line);padding:20px 24px}
.cart-sub{display:flex;justify-content:space-between;font-size:13px;margin-bottom:16px}
.cart-sub b{font-size:17px}
.cart-note{font-size:11px;color:#8b8390;margin-top:12px;text-align:center}

/* drawer nav (mobile) */
.drawer-ov{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:120;opacity:0;visibility:hidden;transition:.3s}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;border-left:1px solid var(--pj-line);z-index:121;transform:translateX(102%);transition:transform .35s cubic-bezier(.4,0,.2,1);padding:26px 26px}
body.nav-open .drawer-ov{opacity:1;visibility:visible}
body.nav-open .drawer{transform:none}
.drawer a{display:block;font-size:14px;padding:14px 0;border-bottom:1px solid var(--pj-line);letter-spacing:.08em}
.drawer .close{background:#fff;border:none;color:var(--pj-ink);font-size:26px;cursor:pointer;margin-bottom:12px}

/* to top */
.to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--pj-line);background:rgba(255,255,255,.94);color:var(--pj-ink);cursor:pointer;opacity:0;visibility:hidden;transition:.3s;z-index:90;display:flex;align-items:center;justify-content:center}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--pj-gold);color:var(--pj-gold)}
.to-top svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.rv.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

@media(max-width:980px){
  .sc-grid,.story-grid,.pdp{grid-template-columns:1fr;gap:34px}
  .feat-grid{grid-template-columns:1fr}
  .gal .main{max-width:560px;margin:0 auto}
}
@media(max-width:760px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .wrap{padding:0 20px}
  section{padding:60px 0}
  .strip .wrap{gap:12px;flex-direction:column}
  .dev-box .grid{grid-template-columns:1fr}
  .figrow{grid-template-columns:1fr}
  .f-top{flex-direction:column;gap:32px}
  .f-links{gap:36px}
  :root{--hero-h:clamp(520px,125vw,720px)}
  .hero .veil{background:linear-gradient(180deg,rgba(251,249,249,.92) 0%,rgba(251,249,249,.62) 34%,rgba(251,249,249,.12) 58%,rgba(251,249,249,0) 78%)}
  .hero .copy{align-items:flex-start;padding-top:52px}
  .caution{padding:24px 20px}
  .spec-table th{width:110px}
  /* モバイルの可読性・タップ領域 */
  .caution .src,.f-bot,.cart-note,.strip,.topbar,.f-brand p{font-size:12px}
  .f-links a{padding:12px 0}
  .crumb{font-size:12px;line-height:1.9;padding-top:18px}
  .crumb a{display:inline-block;padding:6px 0}
  .icon-btn{padding:11px;margin:-11px}
  .nav .logo img{height:44px}
  .nav .logo{padding:6px 0}
  .cart-close,.drawer .close{padding:9px 13px;margin:-9px -13px}
}

/* ============================================================
   角丸（ほんの少し・上品に）
   面＝6px／ボタン・入力＝4px／小さなチップ・サムネ＝3px
   ヒーロー、全幅の帯、footer は角丸なし（フルブリード維持）
   ============================================================ */
:root{--r-lg:6px;--r-md:4px;--r-sm:3px}

.fcard,.sc-media,.story-media,.dev-box,.gal .main,.caution,
.figrow figure,.cart-panel,.drawer{border-radius:var(--r-lg)}
.figrow figure{overflow:hidden}

.btn,.qty,.to-top{border-radius:var(--r-md)}

.gal .thumbs button,.ci img,.ci-qty,.spec-table{border-radius:var(--r-sm)}
.spec-table{overflow:hidden}

/* 使用上の注意：警告見出しと添付文書 */
.caution h4.warn{color:#a8323c}
.caution h4.warn+ul li{color:#7d3b42}
.caution .doc{margin-top:24px;border:1px solid var(--pj-line);background:#fff;border-radius:var(--r-lg);overflow:hidden;max-width:520px}
.caution .doc img{width:100%;height:auto;cursor:zoom-in}
.caution .doc figcaption{font-size:12px;color:var(--pj-sub);padding:10px 14px}