/* ============================================================
   YORUMI — 日本語ブランドギャラリー / Stylesheet
   ============================================================ */
:root{
  --ink:#151b1e;
  --ink-2:#48535a;
  --muted:#8b959b;
  --paper:#ffffff;
  --paper-2:#f6f8f7;
  --paper-3:#eef2f0;
  --line:#e4e9e7;
  --accent:#1d6c64;
  --accent-dark:#15534d;
  --accent-soft:#e7f2f0;
  --gold:#b3975f;
  --shadow:0 18px 48px rgba(21,27,30,.08);
  --shadow-sm:0 6px 20px rgba(21,27,30,.06);
  --radius:18px;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,"Noto Sans JP",sans-serif;
  font-size:15px;line-height:1.85;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.container{width:min(var(--maxw),calc(100% - 48px));margin:0 auto}
.section{padding:94px 0}
.section.soft{background:var(--paper-2)}
.section.tight{padding:64px 0}
.eyebrow{
  font-family:Georgia,"Times New Roman",serif;font-size:11px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--accent);font-weight:600;margin:0 0 14px;
}
h1,h2,h3,h4{line-height:1.4;letter-spacing:.02em;margin:0;font-weight:600}
h2.title{font-size:clamp(26px,3.4vw,38px);letter-spacing:.04em}
.lead{color:var(--ink-2);font-size:15px;line-height:2;margin:18px 0 0;max-width:640px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.section-head{margin-bottom:44px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);
}
.header-inner{height:76px;display:flex;align-items:center;gap:36px}
.logo{display:flex;align-items:baseline;gap:10px;font-family:Georgia,serif;font-size:25px;letter-spacing:.22em;font-weight:600}
.logo small{font-family:inherit;font-size:10px;letter-spacing:.2em;color:var(--muted);font-weight:400}
.nav{display:flex;gap:28px;margin-left:auto;align-items:center}
.nav a{font-size:13px;color:var(--ink-2);letter-spacing:.06em;transition:color .2s;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--accent)}
.header-cta{
  background:var(--ink);color:#fff;border:0;border-radius:999px;padding:11px 22px;
  font-size:12.5px;letter-spacing:.08em;transition:transform .2s,background .2s;white-space:nowrap;
}
.header-cta:hover{background:var(--accent);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:24px;color:var(--ink);padding:6px;margin-left:auto}
/* 顾客端语言切换 */
.lang-switch{
  appearance:none;-webkit-appearance:none;
  font-family:inherit;font-size:11.5px;letter-spacing:.06em;color:var(--ink-2);
  border:1px solid var(--line);border-radius:999px;background-color:rgba(255,255,255,.72);
  padding:8px 27px 8px 13px;cursor:pointer;white-space:nowrap;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%238b959b' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;
  transition:border-color .2s,color .2s;
}
.lang-switch:hover,.lang-switch:focus{border-color:var(--accent);color:var(--accent);outline:none}
.lang-switch option{color:var(--ink)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(900px 620px at 76% 36%,#24574f 0%,#122b2a 45%,#0c1719 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,rgba(8,16,18,.62) 0%,rgba(8,16,18,.12) 58%,transparent 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;min-height:600px;padding:80px 0}
.hero .eyebrow{color:#9fd6c9}
.hero h1{font-size:clamp(38px,5.4vw,64px);letter-spacing:.09em;line-height:1.32;font-weight:500;margin-bottom:22px}
.hero h1 span{display:block;font-size:.5em;letter-spacing:.16em;color:#b6d8d0;margin-top:16px;font-weight:400}
.hero-copy{color:#c9d8d4;font-size:15px;line-height:2.1;max-width:470px;margin:0 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:14px 30px;font-size:13.5px;letter-spacing:.08em;
  border:1px solid transparent;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
}
.btn:hover{transform:translateY(-3px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{box-shadow:0 14px 34px rgba(0,0,0,.22)}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);box-shadow:0 12px 28px rgba(29,108,100,.28)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 20px;font-size:12.5px}
.hero-note{margin-top:30px;font-size:11.5px;color:#8fa9a4;letter-spacing:.08em}
.hero-art{position:relative;height:430px;display:flex;align-items:center;justify-content:center}
.hero-art .glow{
  position:absolute;width:390px;height:390px;border-radius:50%;
  background:radial-gradient(circle,rgba(126,213,196,.28),rgba(126,213,196,0) 68%);filter:blur(8px);
}
.hero-art .ring{
  position:absolute;width:340px;height:340px;border:1px solid rgba(180,225,214,.2);border-radius:50%;
}
.hero-art .ring.two{width:450px;height:450px;border-color:rgba(180,225,214,.09)}
.hero-device{position:relative;z-index:2;filter:drop-shadow(0 30px 46px rgba(0,0,0,.5))}
.hero-float{
  position:absolute;z-index:3;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(8px);border-radius:12px;padding:10px 14px;font-size:11px;letter-spacing:.08em;color:#dcefe9;
}
.hero-float.f1{top:56px;right:6px}
.hero-float.f2{bottom:58px;left:0}

/* ---------- Feature strip ---------- */
.strip{border-bottom:1px solid var(--line);background:#fff}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{padding:30px 22px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:flex-start}
.strip-item:last-child{border-right:0}
.strip-icon{width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent)}
.strip-item strong{display:block;font-size:13.5px;letter-spacing:.05em;margin-bottom:3px}
.strip-item span{font-size:11.5px;color:var(--muted);line-height:1.7}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfdbd7}

/* product card */
.product-art{
  position:relative;height:216px;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(150deg,var(--tint,#f2f5f4) 0%,#fff 100%);
}
.product-art::before{
  content:"";position:absolute;width:210px;height:210px;border-radius:50%;
  background:radial-gradient(circle,var(--halo,rgba(120,160,150,.24)),transparent 70%);
}
.product-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:3}
.product-art .vector{position:relative;z-index:2;filter:drop-shadow(0 16px 22px rgba(30,45,45,.16));transition:transform .35s}
.card:hover .product-art .vector{transform:translateY(-7px) rotate(-2deg)}
.badge{
  position:absolute;z-index:4;top:14px;left:14px;background:#fff;color:var(--accent);
  font-size:10.5px;letter-spacing:.1em;padding:5px 11px;border-radius:999px;box-shadow:var(--shadow-sm);font-weight:600;
}
.rank-badge{
  position:absolute;z-index:4;top:14px;right:14px;width:30px;height:30px;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-items:center;font-family:Georgia,serif;font-size:14px;
}
.product-body{padding:20px 20px 22px}
.product-cat{font-family:Georgia,serif;font-size:10px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.product-body h3{font-size:16px;margin:8px 0 2px;letter-spacing:.03em}
.product-en{font-family:Georgia,serif;font-size:11.5px;color:var(--muted);letter-spacing:.06em;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.tag{font-size:10.5px;color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line);border-radius:999px;padding:3px 10px}
.product-actions{display:flex;gap:8px}
.product-actions .btn{flex:1;padding:10px 12px;font-size:11.5px;border-radius:10px}
.product-actions .btn-plain{border:1px solid var(--line);background:#fff;color:var(--ink-2)}
.product-actions .btn-plain:hover{border-color:var(--accent);color:var(--accent)}
.product-actions .btn-dark{background:var(--ink);color:#fff}
.product-actions .btn-dark:hover{background:var(--accent)}

/* starter kits */
.kit{
  position:relative;border-radius:22px;overflow:hidden;padding:38px;min-height:270px;
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
  background:linear-gradient(135deg,#223b39,#0f1c1e);
}
.kit.two{background:linear-gradient(135deg,#4a4234,#211f1b)}
.kit::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-60px;top:-70px;background:radial-gradient(circle,rgba(255,255,255,.13),transparent 70%)}
.kit-art{position:absolute;right:26px;top:24px;opacity:.9;z-index:1}
.kit-sub{font-family:Georgia,serif;letter-spacing:.28em;font-size:10px;color:rgba(255,255,255,.62);margin-bottom:10px}
.kit h3{font-size:25px;letter-spacing:.06em;margin-bottom:10px}
.kit p{font-size:12.5px;color:rgba(255,255,255,.76);line-height:1.9;margin:0 0 18px;max-width:330px}
.kit .btn{align-self:flex-start;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff}
.kit .btn:hover{background:#fff;color:var(--ink)}

/* filter tabs */
.tabs{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-bottom:36px}
.tab{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 20px;
  font-size:12.5px;color:var(--ink-2);transition:all .2s;letter-spacing:.05em;
}
.tab:hover{border-color:var(--accent);color:var(--accent)}
.tab.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* about / story */
.story{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.story-visual{
  position:relative;min-height:420px;border-radius:24px;overflow:hidden;
  background:radial-gradient(circle at 30% 25%,#dcebe6,#eef3f1 55%,#e3e9e7);
  display:grid;place-items:center;
}
.story-visual .cap{position:absolute;bottom:22px;left:24px;font-family:Georgia,serif;font-size:11px;letter-spacing:.24em;color:#7d8a87}
.value-list{margin-top:28px;display:grid;gap:20px}
.value-item{display:flex;gap:16px;align-items:flex-start;padding-bottom:18px;border-bottom:1px solid var(--line)}
.value-num{font-family:Georgia,serif;font-size:22px;color:var(--accent);line-height:1.2;min-width:34px}
.value-item strong{display:block;font-size:14px;margin-bottom:4px}
.value-item p{margin:0;font-size:12.5px;color:var(--ink-2);line-height:1.9}

/* reviews */
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.stars{color:var(--gold);font-size:13px;letter-spacing:.18em;margin-bottom:12px}
.review p{font-size:13px;color:var(--ink-2);line-height:2;margin:0 0 18px}
.reviewer{font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:10px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--paper-3);display:grid;place-items:center;color:var(--accent);font-size:12px;font-weight:600}
/* 浏览指引卡（不冒充顾客评价） */
.stars.step{font-family:Georgia,serif;font-size:22px;letter-spacing:.1em;color:var(--accent);opacity:.45;margin-bottom:16px}
.reviewer{flex-wrap:wrap}
.reviewer span:not(.avatar){color:var(--ink);font-size:12.5px;font-weight:600}
.reviewer small{margin-left:auto;font-size:10.5px;color:var(--muted);white-space:nowrap}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);background:transparent}
.faq-q{
  width:100%;text-align:left;background:none;border:0;padding:22px 4px;display:flex;justify-content:space-between;
  align-items:center;gap:20px;font-size:14.5px;font-weight:600;color:var(--ink);letter-spacing:.03em;
}
.faq-q .plus{flex:0 0 22px;height:22px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:14px;color:var(--accent);transition:transform .25s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{display:none;padding:0 4px 24px;font-size:13px;color:var(--ink-2);line-height:2.05}
.faq-item.open .faq-a{display:block}
.faq-a a{color:var(--accent);text-decoration:underline}

/* contact */
.contact{background:radial-gradient(900px 500px at 50% 0%,#1b3d39,#0e1b1d);color:#fff}
.contact h2.title{color:#fff}
.contact .eyebrow{color:#9fd6c9}
.contact .lead{color:#b8ccc7}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:46px}
.channel{
  display:flex;align-items:center;gap:16px;padding:20px 22px;border-radius:16px;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  transition:transform .25s,background .25s,border-color .25s;
}
.channel:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.28)}
.ch-icon{width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;font-weight:700;font-size:15px;color:#fff;font-family:Georgia,serif}
.ch-text strong{display:block;font-size:14px;letter-spacing:.04em}
.ch-text span{font-size:11.5px;color:#a9c0bb;line-height:1.6}
.ch-arrow{margin-left:auto;color:#8fb4ac;font-size:17px}
.contact-note{margin-top:30px;font-size:11.5px;color:#8ba8a2;text-align:center;line-height:1.9}

/* footer */
.footer{background:#0b1416;color:#a8b9b6;padding:64px 0 28px;font-size:12px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer .logo{color:#fff;margin-bottom:16px}
.footer p{line-height:2;color:#8fa4a0;max-width:300px;margin:0}
.footer h4{font-size:12px;color:#fff;letter-spacing:.12em;margin-bottom:16px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer a:hover{color:#fff}
.legal{margin-top:26px;padding:22px;border:1px solid rgba(255,255,255,.09);border-radius:12px;color:#839894;font-size:11px;line-height:1.9}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;color:#6f8481;font-size:11px;flex-wrap:wrap}

/* product detail */
.detail-wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;padding:56px 0 90px}
.detail-art{border-radius:24px;overflow:hidden;position:relative;height:480px;display:grid;place-items:center;background:linear-gradient(150deg,var(--tint,#f2f5f4),#fff)}
.detail-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.crumb{font-size:11.5px;color:var(--muted);margin-bottom:26px}
.crumb a:hover{color:var(--accent)}
.detail h1{font-size:clamp(28px,3.6vw,40px);letter-spacing:.05em;margin-bottom:8px}
.detail .en{font-family:Georgia,serif;color:var(--muted);letter-spacing:.12em;font-size:13px;margin-bottom:22px}
.detail .desc{font-size:14px;color:var(--ink-2);line-height:2.1;margin-bottom:26px}
.spec{width:100%;border-collapse:collapse;margin:0 0 30px;font-size:13px}
.spec th,.spec td{padding:14px 8px;border-bottom:1px solid var(--line);text-align:left}
.spec th{width:120px;color:var(--muted);font-weight:400}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.notice-box{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-size:12px;color:var(--ink-2);line-height:1.95;margin-top:28px}

/* page hero (inner pages) */
.page-hero{background:var(--paper-2);border-bottom:1px solid var(--line);padding:64px 0 58px;text-align:center}
.page-hero h1{font-size:clamp(28px,4vw,42px);letter-spacing:.08em;margin-bottom:12px}
.page-hero p{color:var(--ink-2);margin:0;font-size:13.5px}

/* age gate */
.gate{position:fixed;inset:0;z-index:200;background:rgba(9,18,20,.94);backdrop-filter:blur(10px);display:grid;place-items:center;padding:24px}
.gate-card{background:#fff;border-radius:22px;max-width:460px;width:100%;padding:42px 38px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.gate-logo{font-family:Georgia,serif;font-size:27px;letter-spacing:.24em;margin-bottom:22px}
.gate-card h2{font-size:20px;letter-spacing:.06em;margin-bottom:14px}
.gate-card p{font-size:12.5px;color:var(--ink-2);line-height:2;margin-bottom:28px}
.gate-actions{display:flex;gap:12px}
.gate-actions .btn{flex:1}
.gate-legal{font-size:10.5px;color:var(--muted);margin-top:22px;line-height:1.8}

/* toast */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);z-index:150;
  background:var(--ink);color:#fff;padding:12px 22px;border-radius:999px;font-size:12.5px;
  opacity:0;pointer-events:none;transition:all .3s;box-shadow:var(--shadow);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:20px 24px;flex-direction:column;align-items:flex-start;gap:16px}
  .nav.open{display:flex}
  .menu-toggle{display:block;margin-left:0}
  .lang-switch{margin-left:auto}
  .header-cta{margin-left:0}
  .hero-inner{grid-template-columns:1fr;min-height:0;padding:70px 0}
  .hero-art{height:330px;order:-1}
  .hero-art .ring{width:260px;height:260px}
  .hero-art .ring.two{width:340px;height:340px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .story{grid-template-columns:1fr;gap:40px}
  .story-visual{min-height:320px}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .detail-wrap{grid-template-columns:1fr;gap:36px}
  .strip-inner{grid-template-columns:repeat(2,1fr)}
  .strip-item:nth-child(2){border-right:0}
}
@media(max-width:640px){
  .container{width:min(100% - 32px,var(--maxw))}
  .section{padding:64px 0}
  .header-inner{height:66px;gap:12px}
  .nav{top:66px}
  .header-cta{display:none}
  .hero h1{font-size:36px}
  .hero-art{height:270px}
  .hero-float{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .channel-grid,.footer-grid,.strip-inner{grid-template-columns:1fr}
  .strip-item{border-right:0;border-bottom:1px solid var(--line)}
  .kit{padding:28px;min-height:240px}
  .detail-art{height:340px}
  .gate-card{padding:32px 24px}
  .gate-actions{flex-direction:column}
}