:root{--bg:#FAFAF8;--surface:#fff;--text:#1A1A1A;--sub:#6B6B6B;--accent:#2D3A4A;--accent2:#3D5068;--border:#E8E6E1;--tag:#EDECEA;--ok:#2e7d52;--warn:#b8860b;--err:#c0392b;--font:'Noto Sans JP',sans-serif;--disp:'DM Sans',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.8;font-size:15px}
a{color:var(--accent)}
.nav{position:sticky;top:0;z-index:10;background:rgba(250,250,248,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-in{max-width:1040px;margin:0 auto;padding:0 24px;height:58px;display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--disp);font-weight:700;text-decoration:none;color:var(--text);letter-spacing:-.02em}
.logo span{color:var(--sub);font-weight:500;font-size:.78rem;margin-left:.5rem}
.nav-r{display:flex;gap:16px;align-items:center}
.nav-r a{font-size:.82rem;color:var(--sub);text-decoration:none;font-weight:600}.nav-r a:hover{color:var(--text)}
.nav-r a.ghost{border:1px solid var(--border);border-radius:8px;padding:.4rem .8rem;color:var(--text)}
@media(max-width:820px){
  .nav-in{height:auto;min-height:52px;padding:8px 14px;flex-wrap:wrap;gap:4px 12px}
  .logo span{display:none}
  .nav-r{gap:14px;width:100%;justify-content:flex-end;flex-wrap:wrap}
  .nav-r a.ghost{padding:.3rem .6rem;font-size:.78rem}
}
.main{max-width:1040px;margin:0 auto;padding:32px 24px 72px}
.main.narrow{max-width:720px}
h1{font-size:1.5rem;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
h2{font-size:1.1rem;font-weight:700;margin:24px 0 12px}
.crumb{font-size:.78rem;color:var(--sub);margin-bottom:14px}.crumb a{color:var(--sub);text-decoration:none}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:18px}
.muted{color:var(--sub);font-size:.85rem}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{padding:.6rem .7rem;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
th{color:var(--sub);font-weight:600}
td.r,th.r{text-align:right}
input,select,textarea{font-family:var(--font);font-size:.92rem;padding:.6rem .7rem;border:1px solid var(--border);border-radius:8px;width:100%;background:#fff}
label{display:block;font-size:.8rem;font-weight:600;color:var(--sub);margin-bottom:5px}
.field{margin-bottom:14px}
.btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:9px;padding:.8rem 1.6rem;font-weight:700;font-size:.9rem;cursor:pointer;text-decoration:none;font-family:var(--font);transition:background .2s}
.btn:hover{background:var(--accent2)}
.btn.block{display:block;width:100%;text-align:center}
.btn.ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn.sm{padding:.45rem .9rem;font-size:.82rem}
.pill{display:inline-block;font-size:.74rem;font-weight:700;padding:.22rem .7rem;border-radius:100px;background:var(--tag);color:var(--sub)}
.pill.ok{background:#e6f4ec;color:var(--ok)}.pill.warn{background:#fdf3e0;color:var(--warn)}.pill.err{background:#fbeaea;color:var(--err)}
.total{font-size:1.2rem;font-weight:700;color:var(--accent)}
.note{background:#fff8e8;border:1px solid #f0e2bf;border-radius:8px;padding:.7rem .9rem;font-size:.82rem;color:#7a5b12;margin:14px 0}
.foot{max-width:1040px;margin:0 auto;padding:24px;border-top:1px solid var(--border);font-size:.78rem;color:var(--sub);display:flex;gap:16px;flex-wrap:wrap}
.foot a{color:var(--sub)}
.doclinks a{margin-right:10px;font-size:.82rem}
.steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;font-size:.78rem}
.steps span{padding:.3rem .7rem;border-radius:100px;background:var(--tag);color:var(--sub)}
.steps span.on{background:var(--accent);color:#fff}
.legal{font-size:.9rem;line-height:1.9}.legal h2{font-size:1rem}.legal dt{font-weight:700;margin-top:14px}.legal dd{color:var(--sub);margin-left:0}
/* 商品ページ */
.pd{display:grid;grid-template-columns:1.05fr .95fr;gap:36px}@media(max-width:820px){.pd{grid-template-columns:1fr;gap:24px}}
.pv-stage{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px;position:sticky;top:74px}
#pv{width:100%;height:auto;border-radius:8px;background:#f2f1ee;display:block;cursor:grab;touch-action:none}
#pv.drag{cursor:grabbing}#pv.over{outline:2px dashed var(--accent);outline-offset:-6px}
.pv-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pv-sliders{display:flex;gap:18px;margin-top:12px;flex-wrap:wrap}
.pv-sliders label{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--sub);font-weight:600;margin:0}
.pv-sliders input[type=range]{width:130px;accent-color:var(--accent)}
.pv-note{font-size:.74rem;color:var(--sub);margin-top:10px}
.lead-badge{display:inline-block;background:#fff;border:1px solid var(--border);border-radius:100px;padding:.35rem .9rem;font-size:.8rem;font-weight:700;color:var(--accent);margin-bottom:12px}
.p-name{font-size:1.5rem;font-weight:700;margin-bottom:6px}
.p-sub{color:var(--sub);font-size:.92rem;margin-bottom:14px}
.p-body{font-size:.88rem;color:var(--text);margin-bottom:16px;line-height:1.9}
.pricebox table{margin-bottom:14px}
.estimate{background:var(--tag);border-radius:10px;padding:14px 16px;margin:14px 0}
.estimate .row{display:flex;justify-content:space-between;font-size:.88rem;padding:2px 0}
.estimate .tot{font-size:1.1rem;font-weight:700;border-top:1px solid var(--border);margin-top:6px;padding-top:8px;color:var(--accent)}
.guide-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0;counter-reset:gs}@media(max-width:680px){.guide-steps{grid-template-columns:1fr 1fr}}
.gstep{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px}
.gstep::before{counter-increment:gs;content:counter(gs);display:inline-flex;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:.78rem;align-items:center;justify-content:center;margin-bottom:6px}
.gstep h4{font-size:.88rem;margin-bottom:3px}.gstep p{font-size:.78rem;color:var(--sub)}

/* カテゴリ ドロップダウン（ヘッダー） */
.nav-r{display:flex;align-items:center;gap:18px}
.catdd{position:relative;display:inline-block}
.catdd-t{font:inherit;font-weight:600;cursor:pointer;background:none;border:0;color:inherit;padding:0;line-height:1}
.catdd-m{position:absolute;top:100%;right:0;margin-top:10px;background:#fff;border:1px solid var(--border,#e2e4e8);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);min-width:210px;padding:6px;display:none;z-index:60}
.catdd:hover .catdd-m,.catdd:focus-within .catdd-m{display:block}
.catdd-m a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:.55rem .75rem;border-radius:8px;text-decoration:none;color:var(--text,#1a1a1a);font-size:.86rem;font-weight:600}
.catdd-m a:hover{background:var(--bg,#f4f5f7)}
.catdd-m a i{font-style:normal;color:var(--sub,#6b6b6b);font-size:.74rem;font-weight:600}
@media(max-width:820px){
  .catdd{position:static}
  .catdd-m{left:10px;right:10px;top:100%;margin-top:0;max-height:60vh;overflow-y:auto}
}

/* 入稿スタイル バッジ */
.ibadge{display:inline-block;margin:2px 0 6px;font-size:.72rem;font-weight:700;padding:.2rem .55rem;border-radius:100px}
.ibadge.img{background:#e6f4ec;color:#2e7d52}
.ibadge.data{background:#eef1f6;color:var(--accent)}

/* ③ デザインスタジオ */
.studio-view{position:relative;border:1px solid var(--border);border-radius:12px;background:#fff;aspect-ratio:1/1;overflow:hidden;display:flex;align-items:center;justify-content:center}
.studio-view img{width:100%;height:100%;object-fit:cover;transition:opacity .2s}
#pv-loading,#sim-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.82);font-size:.9rem;font-weight:700;color:var(--accent)}
#pv-loading[hidden],#sim-loading[hidden]{display:none}
.studio-view img[hidden]{display:none}
.btn[hidden]{display:none}
.studio-ctl{display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap}
button[disabled]{opacity:.5;cursor:not-allowed}