:root{
    --cream:#f7f2e7; --card:#ffffff; --ink:#262322; --sub:#6f695d;
    --orange:#ef5c26; --orange-d:#d84c18; --teal:#2c7a72; --teal-d:#1f5a54;
    --line:#e7dfce; --field:#faf7f0; --promo:#191919; --navy:#26303b;
    --radius:14px; --shadow:0 10px 40px rgba(60,45,20,.10);
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans",-apple-system,"Segoe UI","Yu Gothic",Meiryo,sans-serif;
    color:var(--ink); background:var(--cream); line-height:1.6; -webkit-font-smoothing:antialiased;}
  a{color:inherit;}
  /* promo + header (共通) */
  .promo{background:var(--promo); color:#f4f1ea; font-size:12px; text-align:center; padding:8px 14px; font-weight:600;}
  .promo b{color:#ffb27a;}
  header{position:sticky; top:0; z-index:40; background:rgba(247,242,231,.92); backdrop-filter:blur(6px); border-bottom:1px solid var(--line);}
  .bar{max-width:1160px; margin:0 auto; padding:14px 22px; display:flex; align-items:center; gap:26px;}
  .logo{display:flex; align-items:center; gap:9px; text-decoration:none;}
  .logo .mark{width:36px; height:36px;}
  .logo .txt{font-weight:800; letter-spacing:.04em; font-size:15px; line-height:1; color:#1a1a1a;}
  .logo .txt small{display:block; color:var(--orange); font-size:11px; letter-spacing:.28em; margin-top:2px;}
  nav.main{display:flex; gap:22px;}
  nav.main a{text-decoration:none; color:#3a352d; font-size:14px; font-weight:600;}
  nav.main a:hover{color:var(--orange);}
  .spacer{flex:1;}
  .btn{font:inherit; font-weight:700; border-radius:9px; padding:8px 16px; cursor:pointer; border:1.5px solid var(--orange); font-size:14px;}
  .btn.ghost{background:transparent; color:var(--orange);} .btn.ghost:hover{background:#fdece4;}
  .btn.solid{background:var(--orange); color:#fff;} .btn.solid:hover{background:var(--orange-d);}
  .hamb{display:none; background:none; border:0; cursor:pointer; padding:6px; margin-left:auto;}
  .hamb span{display:block; width:24px; height:2.5px; background:#2a2a2a; border-radius:2px; margin:5px 0;}
  /* layout */
  .wrap{max-width:1160px; margin:0 auto; padding:26px 22px 60px;}
  .back{display:inline-flex; align-items:center; gap:6px; color:var(--sub); text-decoration:none; font-size:13.5px; font-weight:600; margin-bottom:16px;}
  .back:hover{color:var(--orange);}
  .grid{display:grid; grid-template-columns:1fr 380px; gap:34px; align-items:start;}
  /* gallery */
  .gallery .main{position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); cursor:zoom-in; aspect-ratio:16/10; background:#ece4d5;}
  .gallery .main img{width:100%; height:100%; object-fit:cover; display:block;}
  .gallery .badge{position:absolute; left:14px; top:14px; background:rgba(25,25,25,.82); color:#fff; font-size:12px; font-weight:700; padding:6px 12px; border-radius:20px; letter-spacing:.02em;}
  .thumbs{display:grid; grid-template-columns:repeat(6,1fr); gap:8px; margin-top:10px;}
  .thumbs button{padding:0; border:2px solid transparent; border-radius:9px; overflow:hidden; cursor:pointer; background:none; aspect-ratio:1/1;}
  .thumbs button.active{border-color:var(--orange);}
  .thumbs img{width:100%; height:100%; object-fit:cover; display:block;}
  /* title */
  .titlebox{margin:26px 0 6px;}
  .brand{color:var(--orange); font-weight:800; letter-spacing:.14em; font-size:13px;}
  h1.model{font-size:32px; font-weight:800; margin:2px 0 2px; letter-spacing:.01em;}
  .tag{color:var(--sub); font-size:16px; font-weight:600;}
  .chips{display:flex; flex-wrap:wrap; gap:8px; margin:14px 0 4px;}
  .chip{background:#fff; border:1px solid var(--line); border-radius:20px; padding:6px 13px; font-size:13px; font-weight:600; color:#3a352d; display:inline-flex; gap:6px; align-items:center;}
  .chip.snow{background:#eef6ff; border-color:#cfe4f6; color:#1f5f9e;}
  /* sections */
  h2.sec{font-size:18px; font-weight:800; margin:30px 0 12px; padding-bottom:8px; border-bottom:2px solid var(--line);}
  .desc{color:#413c34; font-size:14.5px;}
  .warn{background:#fff4ec; border:1px solid #f6d9c3; border-left:4px solid var(--orange); border-radius:10px; padding:13px 16px; margin:16px 0; font-size:13.5px; color:#8a4a20;}
  .warn b{color:#c0410f;}
  .spec{display:grid; grid-template-columns:1fr 1fr; gap:10px 26px;}
  .spec .row{display:flex; justify-content:space-between; border-bottom:1px dashed var(--line); padding:8px 2px; font-size:14px;}
  .spec .row span:first-child{color:var(--sub);}
  .spec .row b{font-weight:700;}
  .equip{width:100%; border-collapse:collapse; font-size:14px;}
  .equip td{border-bottom:1px solid var(--line); padding:10px 6px;}
  .equip td:last-child{text-align:right; font-weight:700;}
  .pricetable{width:100%; border-collapse:collapse; font-size:14px; margin-top:6px;}
  .pricetable th,.pricetable td{border:1px solid var(--line); padding:10px 12px; text-align:left;}
  .pricetable th{background:var(--field); font-weight:700;}
  .pricetable td:last-child{text-align:right; font-weight:800;}
  .disc{display:inline-block; background:#eafaf0; color:#1c8a4b; font-weight:800; font-size:11.5px; padding:2px 8px; border-radius:10px; margin-left:6px;}
  /* booking sidebar */
  .booking{position:sticky; top:92px; background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); padding:22px 22px 24px;}
  .booking .step{font-size:11px; letter-spacing:.14em; color:var(--orange); font-weight:800;}
  .booking h3{font-size:15px; font-weight:800; margin:2px 0 12px;}
  .booking .dt{display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:16px;}
  .booking label.fl{font-size:12px; font-weight:700; color:#2c2822; display:block; margin-bottom:5px;}
  .booking input[type=datetime-local], .booking select{width:100%; min-width:0; max-width:100%; box-sizing:border-box; border:1.5px solid var(--line); background:var(--field); border-radius:9px; padding:9px 8px; font:inherit; font-size:12.5px; color:var(--ink); overflow:hidden;}
  .booking input[type=datetime-local]::-webkit-calendar-picker-indicator{margin-left:0; padding-left:0;}
  .opt{display:flex; align-items:center; justify-content:space-between; padding:8px 0; border-bottom:1px dashed var(--line); font-size:13.5px;}
  .opt label{display:flex; align-items:center; gap:9px; cursor:pointer;}
  .opt input{width:17px; height:17px; accent-color:var(--orange); cursor:pointer;}
  .opt .p{color:var(--sub); font-weight:700; font-size:12.5px;}
  .totalrow{display:flex; justify-content:space-between; align-items:baseline; margin:16px 0 4px;}
  .totalrow .lbl{font-weight:700;}
  .totalrow .amt{font-size:26px; font-weight:800; color:var(--orange);}
  .subnote{font-size:11.5px; color:var(--sub); margin-bottom:14px;}
  .confirm{width:100%; background:var(--orange); color:#fff; border:0; border-radius:11px; padding:14px; font:inherit; font-weight:800; font-size:16px; cursor:pointer;}
  .confirm:hover{background:var(--orange-d);}
  .reqbox{background:var(--field); border:1px solid var(--line); border-radius:10px; padding:12px 14px; font-size:13px; color:#4a453c; margin-top:12px;}
  .reqbox b{color:var(--ink);}
  .notes{columns:2; column-gap:34px; font-size:13.5px; color:#413c34;}
  .notes p{margin:0 0 12px; break-inside:avoid;}
  .notes b{color:var(--ink);}
  /* footer */
  footer{background:var(--cream); border-top:1px solid var(--line); position:relative; overflow:hidden; margin-top:20px;}
  .foot-in{max-width:1160px; margin:0 auto; padding:30px 22px 24px; position:relative; z-index:2;}
  .lic-ttl{font-weight:800; letter-spacing:.14em; font-size:13px; margin-bottom:8px;}
  .lic{font-size:12px; color:#4f4a40; line-height:1.8;}
  .stl{display:inline-block; margin-top:12px; color:var(--orange); font-weight:700; font-size:12.5px; text-decoration:underline;}
  .copy{font-size:11.5px; color:#8a8578; margin-top:6px;}
  .road{position:absolute; right:0; bottom:0; width:min(42%,500px); z-index:1; pointer-events:none;}
  /* lightbox */
  .lb{position:fixed; inset:0; background:rgba(18,16,12,.92); z-index:90; display:none; align-items:center; justify-content:center; flex-direction:column;}
  .lb.open{display:flex;}
  .lb img{max-width:90vw; max-height:80vh; border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,.5);}
  .lb .x{position:absolute; top:20px; right:26px; background:none; border:0; color:#fff; font-size:34px; cursor:pointer; line-height:1;}
  .lb .nav{position:absolute; top:50%; transform:translateY(-50%); background:rgba(255,255,255,.14); border:0; color:#fff; font-size:30px; width:52px; height:52px; border-radius:50%; cursor:pointer;}
  .lb .prev{left:24px;} .lb .next{right:24px;}
  .lb .cap{color:#e6e0d4; margin-top:14px; font-size:13px;}
  /* toast */
  .toast{position:fixed; left:50%; bottom:26px; transform:translateX(-50%) translateY(20px); background:#222; color:#fff; padding:13px 20px; border-radius:11px; font-size:13.5px; font-weight:600; box-shadow:0 10px 30px rgba(0,0,0,.25); z-index:120; opacity:0; transition:.3s; max-width:90vw; text-align:center;}
  .toast.show{opacity:1; transform:translateX(-50%) translateY(0);}
  .toast b{color:#ffb27a;}
  /* mobile */
  @media (max-width:960px){
    .grid{grid-template-columns:1fr; gap:22px;}
    .booking{position:static;}
    nav.main{display:none;} .bar .btn{display:none;} .hamb{display:block;}
    .notes{columns:1;}
    h1.model{font-size:26px;}
    .thumbs{grid-template-columns:repeat(5,1fr);}
    .spec{grid-template-columns:1fr;}
  }