/* 宿帳 お客様向け — 白・黒・ゴシック (第3版トーン) */
:root{
  --bg:#ffffff; --bg2:#f6f6f5; --ink:#111111; --ink-soft:#6f6f6c;
  --line:#e4e4e1; --line-dark:#111111;
  --red:#e0342b; --ok:#1f8a5d; --warn:#c07d00; --blue:#2b62c4;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  font-size:16px;line-height:1.8;
}
.en{font-family:Inter,"Noto Sans JP",sans-serif}
a{color:inherit}
.wrap{max-width:640px;margin:0 auto;padding:0 16px 40px}

/* header */
header.site{display:flex;justify-content:space-between;align-items:center;
  padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:20}
.logo{display:flex;align-items:center;gap:9px;font-weight:900;font-size:18px;letter-spacing:.05em;text-decoration:none}
.logo .mark{width:26px;height:26px;background:var(--red);color:#fff;display:inline-flex;
  align-items:center;justify-content:center;font-size:14px;border-radius:6px}
.logo img{height:34px;width:auto;display:block}
.logo small{font-family:Inter,sans-serif;font-size:9px;font-weight:800;letter-spacing:.22em;color:var(--ink-soft);display:block;line-height:1.2}
.tel-btn{font-size:12.5px;font-weight:900;border:1.5px solid var(--ink);padding:6px 14px;text-decoration:none;white-space:nowrap}

/* back button */
.back{display:inline-block;margin:16px 0 -4px;font-weight:900;font-size:13.5px;
  border:1.5px solid var(--ink);padding:7px 18px;text-decoration:none;background:var(--bg);
  color:var(--ink);cursor:pointer;font-family:inherit}

/* headings */
h1.page{font-size:22px;font-weight:900;margin:26px 0 4px;letter-spacing:.02em}
h1.page::before{content:"";display:inline-block;width:11px;height:11px;background:var(--red);margin-right:10px}
.page-sub{color:var(--ink-soft);font-size:13.5px;margin:0 0 18px}
h2.sec{font-size:16px;font-weight:900;margin:28px 0 10px}

/* search */
.search{border:1.5px solid var(--ink);padding:14px 14px 16px;background:var(--bg)}
.search .row{display:flex;gap:8px}
.field{flex:1;border:1.5px solid var(--line);padding:8px 12px;background:var(--bg)}
.field label{display:block;font-size:10.5px;color:var(--ink-soft);font-weight:700}
.field input,.field select{border:none;outline:none;font-size:17px;font-weight:900;width:100%;
  font-family:inherit;background:transparent;color:var(--ink);padding:0}
.btn{display:block;width:100%;background:var(--ink);color:#fff;text-align:center;font-size:15px;
  font-weight:900;padding:13px 0;letter-spacing:.2em;border:none;cursor:pointer;font-family:inherit}
.btn.red{background:var(--red)}
.btn:disabled{background:#c9c9c4;cursor:not-allowed}
.search .btn{margin-top:10px}

.count{font-size:13px;color:var(--ink-soft);font-weight:700;margin:18px 0 0}
.count b{color:var(--ink);font-size:15px}

/* plan card */
.plan{border:1.5px solid var(--ink);margin-top:12px;background:var(--bg)}
.plan .ph{height:150px;background:linear-gradient(150deg,#8f8f8b,#5c5c58 55%,#2e2e2c);
  display:flex;align-items:flex-end;padding:10px 14px;color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.08em}
.plan .ph-img{width:100%;height:190px;object-fit:cover;display:block;border-bottom:1.5px solid var(--ink)}
.plan .bd{padding:13px 15px 15px}
.plan h3{margin:0;font-size:16px;line-height:1.55;font-weight:900}
.plan .meta{font-size:12px;color:var(--ink-soft);margin-top:3px;font-weight:700}
.plan .desc{font-size:13px;color:var(--ink-soft);margin-top:6px}
.roomchips{display:flex;gap:5px;margin-top:10px;flex-wrap:wrap}
.roomchips i{width:14px;height:14px;display:block;border:1px solid rgba(0,0,0,.2)}
.plan .price-row{display:flex;align-items:center;justify-content:space-between;margin-top:11px;
  border-top:1px solid var(--line);padding-top:12px}
.plan .price-row b{font-family:Inter,sans-serif;font-size:23px;font-weight:800;font-variant-numeric:tabular-nums}
.plan .price-row b small{font-size:11.5px;color:var(--ink-soft);font-weight:700;font-family:"Noto Sans JP",sans-serif}
.plan .price-row .go{font-size:13.5px;font-weight:900;color:#fff;background:var(--red);
  padding:10px 20px;border:none;cursor:pointer;font-family:inherit;letter-spacing:.06em}

/* calendar */
.cal{border:1.5px solid var(--ink);padding:13px 12px;margin-top:16px;background:var(--bg)}
.cal .ttl{font-size:12.5px;font-weight:900;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}
.cal .nav{display:flex;gap:6px}
.cal .nav button{border:1.5px solid var(--ink);background:var(--bg);font-weight:900;font-size:13px;
  width:30px;height:30px;cursor:pointer;font-family:inherit;color:var(--ink)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;text-align:center}
.cal-grid .wd{font-size:10.5px;font-weight:900;color:var(--ink-soft);padding:2px 0}
.cal-grid .wd.sat{color:var(--blue)}.cal-grid .wd.sun{color:var(--red)}
.day{padding:5px 0 6px;border:1px solid #ececea;cursor:pointer;background:var(--bg)}
.day .d{font-size:11px;font-weight:900;color:var(--ink-soft)}
.day .s{font-size:17px;font-weight:900;line-height:1.2;color:#c9c9c4}
.day.ok .s{color:var(--ok)}
.day.few .s{color:var(--warn)}
.day.no{background:var(--bg2);cursor:default}
.day.past{background:var(--bg2);cursor:default;opacity:.55}
.day.sel{border:2px solid var(--red);padding:4px 0 5px}
.legend{font-size:11.5px;color:var(--ink-soft);margin-top:8px;font-weight:700}

/* reserve page */
.sumbox{border:1.5px solid var(--ink);margin-top:16px}
.sumbox .hd{background:var(--ink);color:#fff;font-size:12px;font-weight:900;letter-spacing:.16em;padding:7px 14px}
.sumbox .row{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;
  border-top:1px solid var(--line);font-size:14px;gap:12px}
.sumbox .row:first-of-type{border-top:none}
.sumbox .k{color:var(--ink-soft);font-weight:700;font-size:12px;white-space:nowrap}
.sumbox .v{font-weight:900;text-align:right}
.sumbox .v .chip{display:inline-block;width:12px;height:12px;margin-right:6px;vertical-align:-1px}
.sumbox .total{background:var(--bg2)}
.sumbox .total .v{font-family:Inter,sans-serif;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}
.sumbox .total .v small{font-size:11px;font-family:"Noto Sans JP",sans-serif;color:var(--ink-soft)}

.pick{border:1.5px solid var(--line);padding:12px 14px;margin-top:8px;display:flex;gap:12px;
  align-items:center;cursor:pointer;background:var(--bg)}
.pick.sel{border:2px solid var(--red);padding:11px 13px}
.pick input{accent-color:var(--red);width:18px;height:18px;flex-shrink:0}
.pick .chip{width:16px;height:16px;flex-shrink:0}
.room-pick .room-ph{width:96px;height:72px;object-fit:cover;flex-shrink:0;border:1px solid var(--line)}
@media (max-width:420px){.room-pick .room-ph{width:78px;height:60px}}
.pick .nm{font-weight:900;font-size:15px}
.pick .ds{font-size:12px;color:var(--ink-soft);font-weight:700}
.pick .pr{margin-left:auto;font-family:Inter,sans-serif;font-weight:800;font-size:16px;white-space:nowrap;font-variant-numeric:tabular-nums}
.pick .pr small{font-size:10.5px;color:var(--ink-soft);font-family:"Noto Sans JP",sans-serif}
.pick .qty{margin-left:auto;display:flex;align-items:center;gap:8px}
.pick .qty button{width:32px;height:32px;border:1.5px solid var(--ink);background:var(--bg);
  font-size:17px;font-weight:900;cursor:pointer;font-family:inherit;color:var(--ink)}
.pick .qty b{min-width:24px;text-align:center;font-size:16px}

.flabel{font-size:12.5px;font-weight:900;margin:16px 0 4px}
.flabel em{font-style:normal;color:var(--red);font-size:10.5px;margin-left:6px}
input.tx{width:100%;border:1.5px solid var(--line);padding:12px;font-size:16px;font-family:inherit;
  background:var(--bg);color:var(--ink)}
input.tx:focus{outline:2px solid var(--ink)}
.policy{background:var(--bg2);padding:12px 14px;font-size:12.5px;color:#55554f;margin-top:18px;line-height:1.7}
.policy b{display:block;font-size:12px}
.agree{display:flex;gap:10px;align-items:center;margin:14px 0 0;font-size:13.5px;font-weight:700;cursor:pointer}
.agree input{width:20px;height:20px;accent-color:var(--red)}
.sticky-cta{position:sticky;bottom:0;background:linear-gradient(0deg,var(--bg) 72%,transparent);
  padding:8px 0 16px;margin-top:20px}
.sticky-total{display:flex;justify-content:space-between;align-items:baseline;
  background:var(--ink);color:#fff;padding:9px 16px;margin-bottom:0}
.sticky-total span{font-size:11.5px;font-weight:900;letter-spacing:.1em}
.sticky-total b{font-size:21px;font-weight:800;font-variant-numeric:tabular-nums}
.sticky-total b small{font-size:11px;font-weight:700;opacity:.8;font-family:"Noto Sans JP",sans-serif}
.hint-half{font-size:10.5px;color:var(--ink-soft);font-weight:700;margin-left:8px}
textarea.tx{width:100%;border:1.5px solid var(--line);padding:12px;font-size:16px;
  font-family:inherit;background:var(--bg);color:var(--ink);resize:vertical}
textarea.tx:focus{outline:2px solid var(--ink)}
select.tx{width:100%;border:1.5px solid var(--line);padding:12px;font-size:16px;
  font-family:inherit;background:var(--bg);color:var(--ink)}
.err{color:var(--red);font-weight:700;font-size:13.5px;margin-top:10px;min-height:1em}

/* payment */
.paytab{display:flex;border:1.5px solid var(--ink);margin-top:8px}
.paytab button{flex:1;padding:11px 0;font-size:14px;font-weight:900;background:var(--bg);
  border:none;cursor:pointer;font-family:inherit;color:var(--ink-soft)}
.paytab button.on{background:var(--ink);color:#fff}
#card-container{margin-top:12px}

/* done page */
.done-code{border:1.5px solid var(--ink);text-align:center;padding:26px 16px;margin-top:20px}
.done-code .lbl{font-size:11.5px;font-weight:900;letter-spacing:.2em;color:var(--ink-soft)}
.done-code .code{font-family:Inter,sans-serif;font-size:38px;font-weight:800;letter-spacing:.06em;margin:4px 0}
.note{font-size:13px;color:var(--ink-soft);margin-top:14px}

/* modal popup */
.modal-overlay{position:fixed;inset:0;background:rgba(17,17,17,.55);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--bg);max-width:440px;width:100%;border:2px solid var(--ink);padding:0}
.modal .m-hd{background:var(--ink);color:#fff;font-size:15px;font-weight:900;
  letter-spacing:.08em;padding:12px 18px}
.modal .m-bd{padding:18px 20px;font-size:14.5px;line-height:1.9}
.modal .m-bd b{color:var(--red)}
.modal .m-bd .tel-line{display:block;margin-top:10px;font-weight:900;font-size:16px}
.modal .m-ft{padding:0 20px 18px}

footer.site{border-top:1px solid var(--line);margin-top:48px;padding:20px 16px 40px;
  font-size:12px;color:var(--ink-soft);text-align:center}
footer.site b{display:block;color:var(--ink);font-size:13px}