:root{--ink:#202a24;--night:#171d19;--cream:#f3f0e8;--paper:#fbf9f4;--gold:#c9b88f;--gold-deep:#ac843c;--muted:#5d665e;--line:#cecfc4;--ok:#2f5d45;--warn:#9a6b1f;--ng:#9b3b30}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--ink);font-family:'Noto Sans JP',sans-serif;font-size:16px;line-height:1.8}
h1,h2,p,dl,dd,ol,ul{margin:0}
h1,h2{font-family:'Noto Serif JP',serif;font-weight:500;letter-spacing:.06em}
h1{font-size:clamp(26px,4vw,34px);line-height:1.5}
h2{font-size:22px;line-height:1.6;margin-bottom:22px}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--gold-deep);outline-offset:3px}
[hidden]{display:none!important}

.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 16px;background:var(--night);color:#fff}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:'Noto Serif JP',serif;font-size:18px;white-space:nowrap}
.brand img{border-radius:50%}
.brand small{font-size:13px}
.tel{font-size:14px;text-decoration:none;border:1px solid #ffffff55;padding:6px 14px}

.wrap{max-width:760px;margin:0 auto;padding:36px 16px 64px}
.eyebrow{font-size:12px;font-weight:500;letter-spacing:.18em;color:var(--gold-deep);margin-bottom:8px}
.intro{margin-bottom:24px}

.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:4px;margin-bottom:28px}
.steps li{font-size:11px;color:var(--muted);border-top:3px solid var(--line);padding-top:6px;text-align:center;white-space:nowrap}
.steps li.on{color:var(--ink);border-color:var(--gold-deep);font-weight:600}
.steps li.done{border-color:var(--gold)}

.panel{background:var(--paper);border:1px solid var(--line);padding:28px 24px}
.lead{color:var(--muted);margin-bottom:18px}
.fine{font-size:13px;color:var(--muted);margin-top:16px}

.counter-box{display:flex;align-items:center;justify-content:center;gap:28px;margin:8px 0 22px}
.round{width:56px;height:56px;border-radius:50%;border:1px solid var(--ink);background:none;font-size:26px;line-height:1}
.round:disabled{opacity:.3;cursor:default}
.party{font-family:'Noto Serif JP',serif;font-size:56px;line-height:1;min-width:110px;text-align:center}
.party span{font-size:20px;margin-left:4px}
.quick{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.quick button{min-width:56px;padding:8px 10px;border:1px solid var(--line);background:#fff}
.quick button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.phone-note{margin-top:22px;font-size:14px;text-align:center;color:var(--muted)}
.tel-link{font-size:18px;font-weight:600;color:var(--ink)}

.actions{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:28px;flex-wrap:wrap}
.actions>:only-child{margin-left:auto}
.primary,.back{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;font-size:15px;font-weight:500;text-decoration:none;border:1px solid var(--ink)}
.primary{background:var(--ink);color:#fff;margin-left:auto}
.primary:hover{background:#34433a}
.primary:disabled{background:var(--line);border-color:var(--line);color:#fff;cursor:default}
.back{background:none}
.ghost{background:none;border:1px solid var(--line);width:44px;height:44px;font-size:22px}
.ghost:disabled{opacity:.3;cursor:default}

.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.cal-head p{font-family:'Noto Serif JP',serif;font-size:20px}
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.cal .dow{font-size:12px;text-align:center;color:var(--muted);padding-bottom:4px}
.cal .dow.sun{color:var(--ng)}.cal .dow.sat{color:#2c5490}
.day{aspect-ratio:1/1.05;border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:0;font-size:15px}
.day .m{font-size:15px;line-height:1}
.day.closed,.day.none{background:transparent;color:#a5a89f;cursor:default}
.day.many .m,.legend .many{color:var(--ok)}
.day.few .m,.legend .few{color:var(--warn)}
.day.none .m,.legend .none{color:var(--ng)}
.day:not(:disabled):hover{border-color:var(--ink)}
.day.blank{border:none;background:none}
.legend{font-size:13px;color:var(--muted);margin-top:12px}
.legend .m{font-weight:600}

.seat-list{display:grid;gap:16px}
.seat{border:1px solid var(--line);background:#fff;overflow:hidden}
.seat .photo{position:relative;margin:0;aspect-ratio:16/9;background:var(--night)}
.seat .photo img{width:100%;height:100%;object-fit:cover;display:block}
.seat figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 14px;color:#fff;background:linear-gradient(transparent,#0b100dcc)}
.seat h3{font-family:'Noto Serif JP',serif;font-weight:500;font-size:22px;margin:0;letter-spacing:.06em}
.seat .sub{font-size:13px;color:#ffffffd9;margin:0}
.seat .body{padding:16px 18px 18px}
.seat.focus{border-color:var(--gold-deep);box-shadow:0 0 0 2px var(--gold) inset}
.seat.focus .photo::after{content:"ご希望の席";position:absolute;top:12px;left:12px;background:var(--gold);color:var(--night);font-size:12px;font-weight:600;padding:3px 10px}
.times{display:flex;flex-wrap:wrap;gap:6px}
.times button{min-width:62px;padding:6px 4px;border:1px solid var(--ink);background:#fff;font-size:14px;font-variant-numeric:tabular-nums}
.times button:hover{background:var(--ink);color:#fff}
.times button:disabled{border-color:var(--line);color:#b9bbb2;text-decoration:line-through;background:transparent;cursor:default}
.seat.off .photo img{filter:grayscale(.7) brightness(.55)}
.seat.off .photo{aspect-ratio:4/1}
.seat .full{font-size:14px;color:var(--muted)}

.plan-list{display:grid;gap:12px}
.plan{display:grid;grid-template-columns:auto 1fr auto;gap:4px 14px;align-items:start;border:1px solid var(--line);background:#fff;padding:16px;text-align:left;width:100%}
.plan input{margin-top:6px;width:18px;height:18px;accent-color:var(--ink)}
.plan strong{font-weight:600}
.plan .price{font-family:'Noto Serif JP',serif;font-size:18px;white-space:nowrap}
.plan .note{grid-column:2/4;font-size:13px;color:var(--muted)}
.plan:has(input:checked){border-color:var(--ink);box-shadow:0 0 0 1px var(--ink) inset}
.notice{margin-top:16px;padding:12px 14px;border-left:3px solid var(--gold-deep);background:#f3ecdc;font-size:14px}

form label{display:block;margin-bottom:16px;font-size:14px;font-weight:500}
form em{font-style:normal;font-size:11px;background:var(--ink);color:#fff;padding:1px 6px;margin-left:8px;vertical-align:2px}
form input,form textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid var(--line);background:#fff;font:inherit;font-weight:400;border-radius:0}
.error{color:var(--ng);font-size:14px;min-height:1em;margin-top:6px}

.summary{display:grid;grid-template-columns:7em 1fr;border-top:1px solid var(--line)}
.summary dt,.summary dd{padding:10px 0;border-bottom:1px solid var(--line)}
.summary dt{color:var(--muted);font-size:14px}
.bill{margin-top:22px;background:#fff;border:1px solid var(--line);padding:16px 18px}
.bill .row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:4px 0}
.bill .row span:last-child{white-space:nowrap;font-variant-numeric:tabular-nums}
.bill .total{border-top:1px solid var(--line);margin-top:8px;padding-top:10px;font-size:17px;font-weight:600}
.bill .extra{font-size:13px;color:var(--muted);margin-top:6px}
.rules{margin:20px 0 0;padding-left:1.2em;font-size:14px;color:var(--muted)}
.agree{display:flex;gap:10px;align-items:center;margin-top:18px;font-weight:500}
.agree input{width:20px;height:20px;accent-color:var(--ink)}
.done h2{margin-bottom:10px}
.done.cancelled .eyebrow{color:var(--ng)}

.foot{text-align:center;font-size:12px;color:var(--muted);padding:0 16px 32px}

@media (max-width:560px){
  .panel{padding:24px 16px}
  .steps li{font-size:10px}
  .seat .photo{aspect-ratio:3/2}
  .seat h3{font-size:20px}
  .seat .body{padding:14px}
  .times button{min-width:calc((100% - 18px)/4)}
  .actions .primary,.actions .back{flex:1 1 0;padding:0 12px}
  .summary{grid-template-columns:6em 1fr}
}