/* ===== Design tokens ===== */
:root{
  --red:#8b2c2c;        /* 深い朱色 */
  --red-dark:#6f2020;
  --gold:#b48a3f;       /* 金 */
  --ink:#2a2320;        /* 墨 */
  --ink-soft:#5c534d;
  --cream:#f7f1e6;      /* 生成り */
  --cream-2:#efe6d4;
  --paper:#fffdf8;
  --line:#e3d8c4;
  --shadow:0 8px 30px rgba(42,35,32,.10);
  --radius:14px;
  --maxw:1120px;
  --serif:"Shippori Mincho",serif;
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:72px;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-size-adjust:100%;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.72em 1.5em;border-radius:999px;
  font-family:var(--sans);font-weight:700;font-size:.98rem;letter-spacing:.03em;
  cursor:pointer;border:1.5px solid transparent;transition:.25s;white-space:nowrap;
}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(139,44,44,.28);}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--red);border-color:var(--red);}
.btn-ghost:hover{background:var(--red);color:#fff;}
.btn-lg{padding:.9em 1.9em;font-size:1.02rem;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,253,248,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:10px 22px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{display:flex;align-items:baseline;gap:10px;}
.brand-mark{
  font-family:var(--serif);font-weight:700;font-size:1.5rem;color:var(--red);
  letter-spacing:.08em;
}
.brand-sub{font-family:var(--serif);font-size:.86rem;color:var(--ink-soft);letter-spacing:.12em;}
.nav{display:flex;gap:26px;}
.nav a{font-size:.95rem;font-weight:500;color:var(--ink);position:relative;padding:4px 0;}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:.25s;}
.nav a:hover{color:var(--red);}
.nav a:hover::after{width:100%;}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);transition:.3s;}
.nav-mobile{display:none;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);}
.nav-mobile a{padding:14px 22px;border-top:1px solid var(--line);font-weight:500;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;color:#fff;}
.hero-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(60,26,20,.62),rgba(60,26,20,.72)),
    radial-gradient(circle at 20% 20%, #a5502e, transparent 55%),
    linear-gradient(135deg,#7a2222,#3c1a14);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.10;
  background-image:radial-gradient(#fff 1px,transparent 1.6px);
  background-size:22px 22px;
}
.hero-content{
  position:relative;max-width:var(--maxw);margin:0 auto;
  padding:96px 22px 108px;text-align:center;
}
.hero-est{
  font-family:var(--serif);letter-spacing:.5em;font-size:.9rem;
  color:var(--gold);margin:0 0 18px;padding-left:.5em;
}
.hero-title{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(2.1rem,6.5vw,3.6rem);line-height:1.4;margin:0 0 22px;
  text-shadow:0 2px 20px rgba(0,0,0,.3);
}
.hero-lead{font-size:clamp(.95rem,2.6vw,1.08rem);line-height:2;margin:0 auto 34px;max-width:640px;color:#f3e9dc;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.8);}
.hero .btn-ghost:hover{background:#fff;color:var(--red);}

/* ===== Section base ===== */
.section{padding:78px 0;}
.section-eyebrow{
  text-align:center;font-family:var(--serif);color:var(--gold);
  letter-spacing:.35em;font-size:.82rem;margin:0 0 10px;padding-left:.35em;
}
.section-title{
  text-align:center;font-family:var(--serif);font-weight:700;
  font-size:clamp(1.6rem,4.5vw,2.3rem);margin:0 0 20px;color:var(--ink);
}
.section-intro{text-align:center;max-width:680px;margin:0 auto 46px;color:var(--ink-soft);font-size:1rem;}

/* ===== Concept ===== */
.concept{background:var(--paper);}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.feature-card{
  background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 26px;text-align:center;transition:.3s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.feature-icon{
  width:66px;height:66px;margin:0 auto 20px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--red);color:#fff;font-family:var(--serif);font-size:1.7rem;
  box-shadow:0 6px 16px rgba(139,44,44,.3);
}
.feature-card h3{font-family:var(--serif);font-size:1.18rem;margin:0 0 12px;color:var(--red-dark);}
.feature-card p{margin:0;font-size:.95rem;color:var(--ink-soft);}

/* ===== Products ===== */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.product-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.3s;position:relative;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.product-img{aspect-ratio:4/3;background:var(--cream-2);overflow:hidden;}
.product-img img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.product-card:hover .product-img img{transform:scale(1.05);}
.product-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;position:relative;}
.product-badge{
  position:absolute;top:-13px;right:16px;background:var(--gold);color:#fff;
  font-size:.74rem;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.08em;
}
.product-name{font-family:var(--serif);font-size:1.16rem;margin:0 0 8px;color:var(--ink);}
.product-desc{margin:0 0 16px;font-size:.88rem;color:var(--ink-soft);flex:1;line-height:1.7;}
.product-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.product-price{font-family:var(--serif);font-weight:700;font-size:1.2rem;color:var(--red);white-space:nowrap;}
.product-price .tax{font-family:var(--sans);font-weight:400;font-size:.7rem;color:var(--ink-soft);margin-left:4px;}
.btn-buy{background:var(--red);color:#fff;padding:.55em 1.15em;font-size:.88rem;border-radius:999px;}
.btn-buy:hover{background:var(--red-dark);}
.products-note{
  margin:40px auto 0;max-width:760px;text-align:center;
  font-size:.85rem;color:var(--ink-soft);line-height:1.9;
  background:var(--cream-2);border-radius:var(--radius);padding:18px 22px;
}

/* ===== Shop ===== */
.shop{background:var(--paper);}
.shop-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.shop-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  background:var(--cream);
}
.shop-name{font-family:var(--serif);font-size:1.5rem;margin:0 0 6px;color:var(--red-dark);}
.shop-tag{
  display:inline-block;font-size:.8rem;color:var(--gold);border:1px solid var(--gold);
  border-radius:999px;padding:3px 12px;margin:0 0 20px;font-weight:500;
}
.shop-info{margin:0 0 18px;}
.shop-info div{display:flex;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line);}
.shop-info dt{flex:0 0 70px;font-weight:700;color:var(--ink);font-size:.9rem;}
.shop-info dd{margin:0;color:var(--ink-soft);font-size:.94rem;}
.shop-info a{color:var(--red);font-weight:700;}
.shop-note{margin:0;font-size:.9rem;color:var(--ink-soft);}

/* ===== Access ===== */
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);}
.map-wrap iframe{width:100%;height:420px;border:0;display:block;}
.access-note{text-align:center;margin:22px 0 0;color:var(--ink-soft);font-size:.95rem;}
.access-note a{color:var(--red);font-weight:700;}

/* ===== Contact ===== */
.contact{background:linear-gradient(135deg,#7a2222,#3c1a14);color:#fff;}
.contact .section-eyebrow{color:var(--gold);}
.contact .section-title{color:#fff;}
.contact .section-intro{color:#f3e9dc;}
.contact-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.contact .btn-ghost{color:#fff;border-color:rgba(255,255,255,.85);}
.contact .btn-ghost:hover{background:#fff;color:var(--red);}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#d8cdbc;padding:52px 0 30px;}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:22px;text-align:center;}
.footer-brand{display:flex;align-items:center;gap:14px;}
.footer-brand .brand-mark{color:#fff;font-size:1.8rem;}
.footer-brand p{margin:0;font-family:var(--serif);color:#fff;line-height:1.5;text-align:left;}
.footer-brand span{font-family:var(--sans);font-size:.78rem;color:#b7ab99;}
.footer-nav{display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;}
.footer-nav a{color:#d8cdbc;font-size:.9rem;}
.footer-nav a:hover{color:#fff;}
.copyright{margin:0;font-size:.78rem;color:#8f8574;letter-spacing:.06em;}

/* ===== Responsive ===== */
@media(max-width:900px){
  .feature-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto;}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .shop-grid{grid-template-columns:1fr;}
}
@media(max-width:720px){
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .nav-mobile.open{display:flex;}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .section{padding:60px 0;}
  .hero-content{padding:76px 22px 84px;}
}
@media(max-width:430px){
  .product-grid{grid-template-columns:1fr;max-width:340px;margin:0 auto;}
  .product-foot{flex-direction:column;align-items:stretch;gap:12px;}
  .btn-buy{width:100%;}
  .hero-lead br{display:none;}
}