/* style.css — K bar
   黒と金を基調としたスタイルシート
   用途: index.html と同じディレクトリに置いてください
*/

:root{
  --bg:#0b0b0b; /* 背景の黒 */
  --panel:#0f0f0f;
  --gold:#d4af37; /* 金色 */
  --muted:#9b8f6a; /* 金の薄い色 */
  --white:#f6f6f6;
  --accent:rgba(212,175,55,0.12);
}

/* リセット */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family: system-ui, -apple-system, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", "Montserrat", "Arial", sans-serif;
  background:linear-gradient(180deg,var(--bg) 0%, #070707 100%);
  color:var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.6;
}

a{color:inherit;text-decoration:none}

/* header */
.header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg, rgba(10,10,10,0.6), rgba(10,10,10,0.35));backdrop-filter:blur(6px);border-bottom:1px solid rgba(212,175,55,0.06)}
.header-inner{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:18px 20px}

.header-logo{display:flex;align-items:center;gap:12px}
.header-logo p{font-family: 'Montserrat', system-ui, sans-serif;font-weight:700;font-size:22px;color:var(--gold);letter-spacing:1px;margin:0}

.header-site-menu ul{display:flex;gap:20px;align-items:center;list-style:none}
.header-site-menu a{display:inline-block;padding:8px 10px;border-radius:6px;color:var(--muted);font-weight:600;font-size:13px;transition:all .18s}
.header-site-menu a:hover{color:var(--gold);transform:translateY(-2px)}

/* main / first view */
.main{max-width:1100px;margin:0 auto;padding:40px 20px 80px}
.first-view{height:100vh;background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.55)),url("./images/hero-night.jpg") center/cover no-repeat;display:flex;align-items:center;justify-content:center;text-align:center;padding:0;}

/* テキストボックス */
.first-view-text{padding:48px 40px;max-width:640px;color:var(--white)}
.first-view-text h1{font-size:56px;line-height:1.3;margin-bottom:10px;color:var(--gold);font-weight:700;text-align:center;}
.first-view-text p{color:var(--muted);font-size:20px;text-align:center;}

/* リード文 */
.lead{text-align:center;padding:60px 20px;color:var(--muted);}
.lead p{font-size:16px;color:var(--muted);line-height:1.8}

.link-button-area{margin-top:18px}
.link-button{display:inline-block;padding:10px 18px;border-radius:8px;font-weight:700;background:linear-gradient(90deg, rgba(212,175,55,0.16), rgba(212,175,55,0.08));border:1px solid rgba(212,175,55,0.18);color:var(--gold);letter-spacing:1px}
.link-button:hover{transform:translateY(-3px)}

/* recommended list */
.recommended{margin-top:44px}
.recommended h2{font-family:'Montserrat',sans-serif;color:var(--gold);font-size:18px;margin-bottom:18px}
.item-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;list-style:none;padding:0}
.item-list li{background:var(--panel);padding:14px;border-radius:10px;border:1px solid rgba(255,255,255,0.02);display:flex;flex-direction:column;align-items:flex-start}
.item-list img{width:100%;height:180px;object-fit:cover;border-radius:8px;border:1px solid rgba(0,0,0,0.4);margin-bottom:12px}
.item-list dt{font-weight:700;color:var(--white);margin-bottom:6px}
.item-list dd{color:var(--muted);font-size:14px;margin-bottom:10px}
.price{margin-top:auto;font-weight:800;color:var(--gold);font-size:16px}

/* footer */
.footer{margin-top:60px;padding:28px 20px;border-top:1px solid rgba(212,175,55,0.06);display:flex;flex-direction:column;align-items:center;gap:10px}
.site-menu ul{display:flex;gap:18px;list-style:none}
.site-menu a{color:var(--muted);font-weight:700}
.footer-logo img{height:46px;display:block}
.footer-logo p{color:var(--muted);font-weight:700;font-size:20px;margin:0}
.footer-tel,.footer-time{color:var(--muted);font-weight:600}
.copyright small{color:rgba(255,255,255,0.35)}

/* small devices */
@media (max-width:900px){
  .item-list{grid-template-columns:repeat(2,1fr)}
  .first-view{height:52vh}
  .first-view-text h1{font-size:34px}
}

@media (max-width:560px){
  .header-inner{padding:12px}
  .header-site-menu ul{display:none}
  .main{padding:20px}
  .item-list{grid-template-columns:1fr}
  .first-view{height:44vh}
  .first-view-text{padding:20px}
  .first-view-text h1{font-size:22px}
}

/* Utilities */
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.center{text-align:center}

/* 微妙な金のきらめきエフェクト（装飾） */
.gold-sheen{
  position:relative;overflow:hidden}
.gold-sheen::after{
  content:"";position:absolute;left:-40%;top:-40%;width:180%;height:180%;background:conic-gradient(from 180deg at 50% 50%, rgba(212,175,55,0.12), rgba(212,175,55,0.02));transform:rotate(12deg);pointer-events:none}

/* フォーカス時のアクセシビリティ */
a:focus{outline:3px solid rgba(212,175,55,0.18);outline-offset:2px}

/* 追加の微調整 */
.header-logo img{height:42px}

/* END */


.link-button-area {
  text-align: center;
}


/* 金の波アニメーションレイヤー */
.gold-wave {
  position: fixed;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(
    45deg,
    rgba(212, 175, 55, 0.15),
    rgba(212, 175, 55, 0.15) 10px,
    rgba(0, 0, 0, 0) 10px,
    rgba(0, 0, 0, 0) 20px
  );
  pointer-events: none; /* クリック不可 */
  animation: waveMove 12s linear infinite;
  z-index: 0;
  transform: rotate(0deg);
}

/* 波を動かすアニメーション */
@keyframes waveMove {
  0% { transform: translateX(0) translateY(0) rotate(0deg); }
  50% { transform: translateX(-10%) translateY(5%) rotate(2deg); }
  100% { transform: translateX(0) translateY(0) rotate(0deg); }
}