:root{
  --red:#dd3333;--red-dark:#b82929;--deep:#560c0c;--gold:#e8cf45;
  --ink:#1a1a1a;--ink-soft:#4a4a4a;--line:#e7ded2;--bg:#faf7f2;--white:#fff;
  --green:#2e9b4c;--serif:"Noto Serif JP",serif;--sans:"Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7}
img{max-width:100%;display:block}
a{color:var(--red-dark)}
.demo-band{background:#222;color:#fff;font-size:12px;text-align:center;padding:6px 16px;letter-spacing:.04em}

/* ヒーロー */
.hero{position:relative;min-height:440px;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,0,0,.15) 0%,rgba(40,5,5,.78) 100%)}
.hero-in{position:relative;z-index:1;width:100%;max-width:1040px;margin:0 auto;padding:48px 20px 44px}
.hero .logo{width:200px;filter:drop-shadow(0 2px 8px rgba(0,0,0,.4));margin-bottom:12px}
.hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(26px,5vw,40px);line-height:1.4;margin:0 0 10px;letter-spacing:.04em}
.hero p{margin:0;font-size:15px;opacity:.92}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.badges span{border:1px solid rgba(255,255,255,.6);border-radius:99px;padding:3px 12px;font-size:12px}

/* 手順 */
.flow{max-width:1040px;margin:-28px auto 0;padding:0 20px;position:relative;z-index:2}
.flow ol{list-style:none;margin:0;padding:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;background:var(--white);border-radius:10px;box-shadow:0 10px 30px rgba(60,20,10,.12)}
.flow li{display:flex;gap:10px;align-items:center;font-size:14px;font-weight:500}
.flow b{flex:none;width:30px;height:30px;border-radius:50%;background:var(--red);color:#fff;display:grid;place-items:center;font-size:14px}

/* レイアウト */
.wrap{max-width:1040px;margin:0 auto;padding:44px 20px 80px;display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start}
.card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:28px}
h2{font-family:var(--serif);font-size:22px;margin:0 0 6px;letter-spacing:.04em}
h2::before{content:"";display:inline-block;width:6px;height:22px;background:var(--red);vertical-align:-3px;margin-right:10px}
.lead{color:var(--ink-soft);font-size:14px;margin:0 0 22px}

/* フォーム */
.field{margin-bottom:22px}
.field>label,.field>.lbl{display:block;font-weight:700;font-size:14px;margin-bottom:8px}
.req{background:var(--red);color:#fff;font-size:11px;border-radius:3px;padding:1px 6px;margin-left:6px;font-weight:500;vertical-align:1px}
input[type=text],input[type=password],input[type=tel],input[type=email],input[type=date],select,textarea{
  width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #d8cfc3;border-radius:8px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:transparent}
textarea{min-height:90px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hint{font-size:12px;color:#8a7f70;margin-top:6px}

.courses{display:grid;gap:10px}
.course{display:grid;grid-template-columns:72px 1fr;gap:12px;align-items:center;border:1.5px solid #e4dbcf;border-radius:10px;padding:8px;cursor:pointer;transition:border-color .2s,background .2s}
.course img{width:72px;height:56px;object-fit:cover;border-radius:6px}
.course input{position:absolute;opacity:0;pointer-events:none}
.course .t{font-size:14px;font-weight:500;line-height:1.5}
.course .m{font-size:12px;color:#8a7f70}
.course:has(input:checked){border-color:var(--red);background:#fff4f2}
.course:has(input:focus-visible){outline:2px solid var(--red)}

.times{display:flex;flex-wrap:wrap;gap:8px}
.times label{position:relative}
.times input{position:absolute;opacity:0}
.times span{display:inline-block;min-width:68px;text-align:center;padding:9px 6px;border:1.5px solid #e4dbcf;border-radius:8px;font-size:14px;cursor:pointer;background:#fff}
.times input:checked+span{background:var(--red);border-color:var(--red);color:#fff;font-weight:700}
.times input:focus-visible+span{outline:2px solid var(--red-dark)}
.times .empty{font-size:14px;color:#8a7f70}

.people{display:flex;align-items:center;gap:12px}
.people button{width:44px;height:44px;border-radius:50%;border:1.5px solid #d8cfc3;background:#fff;font-size:22px;cursor:pointer;color:var(--ink)}
.people output{font-size:22px;font-weight:700;min-width:70px;text-align:center}

.btn{display:block;width:100%;border:0;border-radius:99px;padding:16px;font:inherit;font-size:17px;font-weight:700;cursor:pointer;letter-spacing:.06em}
.btn-red{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(221,51,51,.3)}
.btn-red:hover{background:var(--red-dark)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.errors{background:#fff1f1;border:1px solid #f2c1c1;color:var(--red-dark);border-radius:8px;padding:12px 16px;font-size:14px;margin-bottom:18px}
.errors:empty{display:none}
.errors ul{margin:0;padding-left:18px}
.hp{position:absolute;left:-9999px}

/* サイド */
.side{display:grid;gap:18px;position:sticky;top:20px}
.side .photo{border-radius:10px;overflow:hidden;aspect-ratio:4/3}
.side .photo img{width:100%;height:100%;object-fit:cover}
.info dl{margin:0;font-size:14px}
.info dt{font-weight:700;margin-top:10px}
.info dt:first-child{margin-top:0}
.info dd{margin:2px 0 0;color:var(--ink-soft)}

/* 完了・状況 */
.center{max-width:620px;margin:0 auto;padding:44px 20px 80px}
.status-box{text-align:center;padding:36px 24px}
.status-icon{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;font-size:34px;color:#fff}
.st-pending .status-icon{background:var(--gold);color:var(--deep)}
.st-confirmed .status-icon{background:var(--green)}
.st-full .status-icon{background:#888}
.status-box h2::before{display:none}
.summary{text-align:left;background:var(--bg);border-radius:8px;padding:16px 20px;margin:20px 0 0;font-size:14px}
.summary div{display:flex;gap:12px;padding:4px 0}
.summary b{flex:none;width:6em;color:var(--ink-soft);font-weight:500}
.msg{margin-top:16px;text-align:left;background:#fff8e6;border-left:4px solid var(--gold);padding:12px 16px;font-size:14px;white-space:pre-wrap}
.demo-links{margin-top:22px;padding:16px;border:1px dashed #c9b9a6;border-radius:8px;font-size:13px;text-align:left}
.demo-links a{font-weight:700}

footer{text-align:center;font-size:12px;color:#8a7f70;padding:24px 16px 40px}

@media(max-width:860px){
  .wrap{grid-template-columns:1fr;padding-top:32px}
  .side{position:static}
  .flow ol{grid-template-columns:1fr;gap:10px;padding:16px}
  .hero{min-height:380px}
  .card{padding:22px 18px}
  .row2{grid-template-columns:1fr}
}