/* トーン：参考サイトに合わせる（ほぼ黒の暖色の地・クリーム色の文字・金〜オレンジの光・角丸なし） */
:root{
  --bg:#0a0600; --bg2:#120b03; --panel:#1a1208; --panel2:#21170a;
  --line:rgba(200,146,42,.26); --line2:rgba(200,146,42,.5);
  --gold:#c8922a; --gold-hi:#e9b75c; --cream:#f0e6cc; --text:#e6dcc3; --muted:#a8957a; --warn:#ffb36b;
  --serif:"Noto Serif JP","Hiragino Mincho ProN",serif; --sans:"Noto Sans JP","Hiragino Sans",sans-serif; --latin:"Cinzel","Noto Serif JP",serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
h1,h2,h3,.lead,.dname,.ddesc,.hint,.badge,.note,.devinfo,.foot p,.howto li,.warn li{word-break:auto-phrase;line-break:strict}
h1,h2,h3{text-wrap:balance}
.nb{white-space:nowrap}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.8;letter-spacing:.02em;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}
.glow{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(60% 45% at 88% -6%,rgba(255,138,28,.20),rgba(255,138,28,0) 70%),radial-gradient(40% 30% at 0% 100%,rgba(200,146,42,.08),rgba(200,146,42,0) 70%)}
img{max-width:100%;display:block}
b{color:var(--cream);font-weight:700}
.pc{display:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
h1,h2,h3{font-family:var(--serif);color:var(--cream);font-weight:700;letter-spacing:.06em;margin:0}

.label{display:inline-block;margin:0 0 18px;padding:5px 14px;border:1px solid var(--line2);font-family:var(--latin);font-weight:600;font-size:11px;letter-spacing:.32em;color:var(--gold-hi);line-height:1.4}

/* 入口 */
.hero{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:44px 20px 28px;display:grid;gap:28px}
.hero h1{font-size:clamp(23px,6.6vw,28px);line-height:1.5;letter-spacing:.04em}
.lead{margin:16px 0 0;font-size:15px;color:var(--text)}
.badges{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.badge{font-size:13px;padding:4px 12px;border:1px solid var(--line);background:rgba(26,18,8,.7);color:var(--text)}
.badge.demo{border-color:rgba(255,179,107,.55);color:var(--warn)}
.hero-samples{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0}
.hero-samples figure{margin:0}
.hero-samples img{width:100%;height:auto;aspect-ratio:180/390;object-fit:cover;border:1px solid var(--line)}
.hero-samples figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:6px;letter-spacing:.08em}

/* 本体 */
.layout{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:0 20px 40px;display:grid;gap:28px}
.steps{display:grid;gap:18px;min-width:0}
.step{background:linear-gradient(180deg,rgba(33,23,10,.92),rgba(20,13,4,.92));border:1px solid var(--line);padding:24px 20px 22px}
.num{margin:0 0 4px;font-family:var(--latin);font-size:12px;font-weight:600;letter-spacing:.3em;color:var(--gold)}
.step h2,.result h2{font-size:21px;line-height:1.5;margin-bottom:14px}
.field{margin:0 0 14px}
.field label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px;letter-spacing:.08em}
select,textarea{width:100%;font:inherit;font-size:16px;color:var(--cream);background:var(--bg2);border:1px solid var(--line2);border-radius:0;padding:12px 14px;outline:none;-webkit-appearance:none;appearance:none}
select{height:52px;padding-right:44px;background-image:linear-gradient(45deg,transparent 50%,var(--gold-hi) 50%),linear-gradient(135deg,var(--gold-hi) 50%,transparent 50%);background-position:calc(100% - 22px) 22px,calc(100% - 16px) 22px;background-size:6px 6px;background-repeat:no-repeat}
select:disabled{opacity:.45}
select:focus,textarea:focus{border-color:var(--gold-hi);box-shadow:0 0 0 3px rgba(233,183,92,.18)}
textarea{min-height:190px;line-height:1.7;resize:vertical}
textarea::placeholder{color:#6f6150}
.hint{font-size:13px;color:var(--muted);margin:6px 0 0;line-height:1.7}
.devinfo{font-size:14px;color:var(--cream);margin:6px 0 0}
.devinfo:empty{display:none}
.tarow{display:flex;justify-content:space-between;align-items:center;margin-top:6px;font-size:12px;color:var(--muted)}
.link{background:none;border:0;padding:6px 0;font:inherit;font-size:13px;color:var(--gold-hi);text-decoration:underline;text-underline-offset:3px;cursor:pointer}

/* デザインの札 */
.designs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.design{position:relative;display:block;cursor:pointer;border:1px solid var(--line);background:var(--bg2);padding:6px 6px 10px;transition:border-color .15s}
.design input{position:absolute;opacity:0;pointer-events:none}
.design img{width:100%;height:auto;aspect-ratio:180/390;object-fit:cover}
.dname{display:block;margin-top:8px;font-family:var(--serif);font-weight:600;font-size:13px;color:var(--cream);text-align:center;letter-spacing:.04em;line-height:1.4}
.ddesc{display:block;font-size:11px;color:var(--muted);text-align:center;line-height:1.5;margin-top:2px}
.design:has(input:checked){border-color:var(--gold-hi);box-shadow:0 0 0 1px var(--gold-hi),0 0 24px rgba(233,183,92,.18)}
.design:has(input:checked)::after{content:"選択中";position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;padding:2px 8px;background:var(--gold-hi);color:#1a1208;letter-spacing:.06em}
.design:has(input:focus-visible){outline:2px solid var(--gold-hi);outline-offset:2px}

/* 読み取りの見え方 */
.preview{margin-top:4px;border-top:1px solid var(--line);padding-top:12px}
.preview .ptitle{font-size:13px;color:var(--muted);margin:0 0 8px}
.preview ol{margin:0;padding:0 0 0 0;list-style:none;counter-reset:p;display:grid;gap:6px}
.preview li{counter-increment:p;font-size:14px;line-height:1.6;color:var(--cream);display:grid;grid-template-columns:28px 1fr;gap:6px}
.preview li::before{content:counter(p,decimal-leading-zero);font-family:var(--latin);color:var(--gold);font-size:12px;padding-top:2px}
.preview li.cut{color:var(--warn)}
.preview li .tag{display:inline-block;font-size:11px;margin-left:6px;padding:0 6px;border:1px solid rgba(255,179,107,.6);color:var(--warn)}
.preview .pnote{font-size:13px;color:var(--warn);margin:10px 0 0}

/* ボタン */
.submit{padding:4px 0 0}
.btn-primary{display:block;width:100%;height:58px;border:0;border-radius:0;cursor:pointer;font:inherit;font-weight:700;font-size:17px;letter-spacing:.14em;color:#1a1208;
  background:linear-gradient(180deg,var(--gold-hi),var(--gold));box-shadow:0 8px 28px rgba(200,146,42,.28);transition:filter .15s,transform .05s}
.btn-primary:hover{filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled{filter:grayscale(.6) brightness(.7);cursor:wait}
.btn-sub{display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;border:1px solid var(--line2);border-radius:0;background:transparent;color:var(--cream);font:inherit;font-size:15px;letter-spacing:.06em;cursor:pointer;text-decoration:none}
.btn-sub:hover{border-color:var(--gold-hi)}
.btn-sub[aria-pressed="true"]{background:rgba(233,183,92,.12);border-color:var(--gold-hi)}
.note{font-size:13px;margin:10px 0 0;color:var(--warn)}
.note:empty{display:none}
.note.muted{color:var(--muted)}

/* できあがり */
.result{min-width:0}
.result-empty{border:1px dashed var(--line);padding:28px 20px;text-align:center;color:var(--muted);font-size:14px;display:none}
.result-body{background:linear-gradient(180deg,rgba(33,23,10,.95),rgba(20,13,4,.95));border:1px solid var(--line2);padding:24px 20px}
.imgwrap{margin:14px auto 16px;max-width:300px;background:#000;border:1px solid var(--line)}
.imgwrap img{width:100%;height:auto;-webkit-touch-callout:default}
.actions{display:grid;gap:10px}
.checknote{margin:12px 0 0;padding:10px 12px;font-size:13px;line-height:1.7;color:#ffd2d2;border:1px solid rgba(230,40,40,.5);background:rgba(230,40,40,.08)}
.warn{margin:10px 0 0;padding:10px 12px 10px 28px;border:1px solid rgba(255,179,107,.45);background:rgba(255,179,107,.06);font-size:13px;color:var(--warn);line-height:1.7}
.howto{margin-top:22px;border-top:1px solid var(--line);padding-top:16px}
.howto h3{font-size:17px;margin-bottom:2px}
.howsub{font-size:13px;color:var(--muted);margin:0 0 10px}
.howto ol{margin:0;padding-left:1.4em;font-size:14px;line-height:1.8;color:var(--text)}
.howto li{margin-bottom:4px}
.howto li::marker{color:var(--gold);font-weight:700}

.closed{position:relative;z-index:1;max-width:640px;margin:0 auto 40px;padding:32px 20px;border:1px solid var(--line2);text-align:center;background:rgba(26,18,8,.9)}
.closed p{color:var(--text)}
.foot{position:relative;z-index:1;border-top:1px solid var(--line);margin-top:20px;padding:22px 20px 34px;text-align:center;font-size:12px;color:var(--muted);line-height:1.9}
.foot p{margin:0}
.busy{position:relative}

/* PC：左にフォーム・右にできあがり */
@media (min-width:900px){
  .pc{display:inline}
  .hero{grid-template-columns:1fr 440px;align-items:center;padding:64px 32px 40px;gap:48px}
  .hero h1{font-size:40px}
  .lead{font-size:16px}
  .layout{grid-template-columns:minmax(0,1fr) 400px;padding:0 32px 56px;align-items:start;gap:32px}
  .step{padding:30px 32px 28px}
  .fieldrow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .result-empty{display:block;padding:120px 24px}
  .imgwrap{max-width:260px}
}
@media (min-width:900px) and (max-height:820px){ .imgwrap{max-width:220px} }