:root{
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #121826;
  --muted: #6b7280;
  --line: rgba(17,24,39,.10);

  --brand: #111827;
  --accent: #2563eb;
  --accent2:#10b981;

  --radius: 16px;
  --shadow: 0 10px 25px rgba(17,24,39,.08);
}

*{ box-sizing: border-box; }
html, body{ margin:0; padding:0; }
body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* header */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(247,248,251,.80);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
}
.logo{
  font-weight: 800;
  letter-spacing: .5px;
}
.logo span{
  font-weight: 800;
  color: var(--accent);
  margin-left: 6px;
  font-size: 12px;
  vertical-align: middle;
}
.nav-links{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.nav-links a{
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
}
.nav-links a:hover{ background: rgba(37,99,235,.08); color: var(--accent); }
.nav-links a.is-active{ color: var(--brand); background: rgba(17,24,39,.06); }

/* main sections */
main{
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 56px;
}
.section{
  margin-top: 34px;
}
.section h2{
  font-size: 22px;
  margin: 0 0 10px;
}
.section-lead{
  margin: 0 0 16px;
  color: var(--muted);
}

/* hero */
.hero{
  margin-top: 18px;
  padding: 26px 20px;
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(180deg, rgba(37,99,235,.10), rgba(16,185,129,.07));
  border: 1px solid rgba(37,99,235,.14);
  box-shadow: var(--shadow);
}
.hero-tag{
  display:inline-block;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent);
  background: rgba(37,99,235,.10);
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.hero-title{
  margin:0;
  font-size: 30px;
  line-height: 1.2;
}
.hero-text{
  margin: 10px 0 14px;
  color: var(--muted);
  font-weight: 600;
}
.hero-badge{
  display:inline-flex;
  gap: 8px;
  align-items:center;
  font-weight: 800;
  font-size: 12px;
  color: var(--brand);
  background: rgba(17,24,39,.06);
  padding: 8px 12px;
  border-radius: 999px;
}
.hero-quick{
  margin-top: 14px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.quick-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  text-decoration:none;
  font-weight: 800;
}
.quick-btn--ghost{
  background: rgba(17,24,39,.08);
  color: var(--brand);
}

/* cards */
.card-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.card-label{
  font-size: 12px;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 6px;
}
.card-title{
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 6px;
}
.card-text{
  color: var(--muted);
  font-weight: 600;
}

/* store grid */
.store-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.store-empty{
  color: var(--muted);
  font-weight: 700;
}
.store-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  display:flex;
  flex-direction: column;
  gap: 12px;
}
.store-top{
  display:flex;
  gap: 12px;
  align-items:flex-start;
}
.rank-badge{
  min-width: 56px;
  text-align:center;
  padding: 10px 8px;
  border-radius: 14px;
  font-weight: 900;
  color: #fff;
}
.rank-gold{ background: #f59e0b; }
.rank-silver{ background: #9ca3af; }
.rank-bronze{ background: #b45309; }
.rank-normal{ background: #111827; }

.store-name{
  margin:0;
  font-size: 18px;
  line-height: 1.2;
  font-weight: 900;
}
.store-area{
  margin: 6px 0 0;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}
.store-concept{
  margin: 8px 0 0;
  color: var(--text);
  font-weight: 700;
  font-size: 13px;
}

/* photos */
.store-photos{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.photo{
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(17,24,39,.04);
  aspect-ratio: 1 / 1;
}
.photo img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}
.photo-tag{
  position:absolute;
  top:8px;
  left:8px;
  font-size: 10px;
  font-weight: 900;
  color:#fff;
  background: rgba(17,24,39,.72);
  padding: 5px 8px;
  border-radius: 999px;
}

/* meta pills */
.store-meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.meta-pill{
  font-size: 12px;
  font-weight: 800;
  color: var(--brand);
  background: rgba(17,24,39,.06);
  padding: 8px 10px;
  border-radius: 999px;
}

.store-actions{
  display:flex;
  gap: 10px;
  margin-top: 2px;
}
.btn-outline, .btn-primary{
  flex:1;
  text-align:center;
  text-decoration:none;
  font-weight: 900;
  border-radius: 14px;
  padding: 12px 12px;
}
.btn-outline{
  color: var(--brand);
  border: 1px solid rgba(17,24,39,.16);
  background: #fff;
}
.btn-primary{
  color:#fff;
  background: var(--accent);
  border: 1px solid rgba(37,99,235,.35);
}

/* for shop */
.section-shop{
  padding: 18px;
  border-radius: calc(var(--radius) + 6px);
  background: rgba(16,185,129,.06);
  border: 1px solid rgba(16,185,129,.16);
}
.benefit-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.benefit-item{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.benefit-title{
  font-weight: 900;
  margin-bottom: 6px;
}
.benefit-item p{
  margin:0;
  color: var(--muted);
  font-weight: 650;
}

.cta-box{
  margin-top: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  text-align:center;
}
.cta-text{
  font-weight: 900;
  margin-bottom: 10px;
}
.cta-button{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--accent2);
  color:#fff;
  text-decoration:none;
  font-weight: 900;
}
.cta-noto{
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}

/* footer */
.footer-note{
  margin-top: 34px;
  color: var(--muted);
  font-weight: 700;
  text-align:center;
  padding: 18px 8px;
}

/* responsive */
@media (max-width: 980px){
  .store-grid{ grid-template-columns: repeat(2, 1fr); }
  .card-grid{ grid-template-columns: 1fr; }
  .benefit-grid{ grid-template-columns: 1fr; }
  .store-photos{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px){
  .store-grid{ grid-template-columns: 1fr; }
  .hero-title{ font-size: 26px; }

}

/* =========================
   Mobile NAV 強制1段化
========================= */
@media (max-width: 640px){
  .header-inner{
    flex-wrap: nowrap;
    align-items: center;
  }

  .nav-links{
    flex-wrap: nowrap;          /* ← 折り返し禁止 */
    white-space: nowrap;        /* ← 改行禁止 */
    overflow-x: auto;           /* ← はみ出たら横スクロール */
    -webkit-overflow-scrolling: touch;
    gap: 6px;
  }

  .nav-links a{
    font-size: 12px;
    padding: 6px 5px;
    flex-shrink: 0;             /* ← 縮まない */
  }

  /* スクロールバー非表示（iOS） */
  .nav-links::-webkit-scrollbar{
    display: none;
  }

  .logo{
    font-size: 15px;
    flex-shrink: 0;
    margin-right: 8px;
  }
}