/*
ロゴジェネレーターcss
*/
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
:root{--bg:#f5f5f3;--surface:#fff;--border:#e5e5e1;--text:#111;--muted:#888;--soft:#f0f0ed;--r:12px;--rs:8px}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
.hdr{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 18px;display:flex;align-items:center;gap:10px;position:sticky;top:0;
  /* z-index:200; */
}
.hdr-ico{width:34px;height:34px;background:#111;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.hdr h1{
  /* font-family:'Bebas Neue',cursive; */
  font-size:13px;
  /* font-size:22px; */
  /* letter-spacing:2.5px; */
  line-height:1
}
.hdr-sub{font-size:10px;color:var(--muted);font-weight:600;letter-spacing:1.5px;text-transform:uppercase;margin-left:auto;white-space:nowrap}
.app{max-width:1060px;margin:0 auto}
@media(min-width:760px){.app{display:grid;grid-template-columns:1fr 340px;min-height:calc(100vh - 63px)}}
.preview{padding:20px 16px 24px;display:flex;flex-direction:column;align-items:center;gap:14px}
.toggle-bar{display:flex;background:var(--surface);border:1.5px solid var(--border);border-radius:999px;padding:3px;gap:2px}
.tbtn{padding:7px 20px;border-radius:999px;border:none;background:transparent;font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted);transition:all .2s}
.tbtn.on{background:var(--text);color:#fff}
.preview-wrap{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r);overflow:hidden;width:100%;max-width:400px;aspect-ratio:4/5}
#preview-svg{width:100%;height:100%;display:block}
.reset-row{display:flex;gap:8px}
.reset-btn{background:none;border:1.5px solid var(--border);border-radius:6px;padding:5px 13px;font-size:11px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;cursor:pointer;color:var(--muted);transition:all .15s}
.reset-btn:hover{border-color:var(--text);color:var(--text)}
.ctrl{background:var(--surface);border-top:1.5px solid var(--border);padding:14px 14px 28px;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
@media(min-width:760px){.ctrl{border-top:none;border-left:1.5px solid var(--border);padding:16px 14px 24px}}
.sec{border:1.5px solid var(--border);border-radius:var(--r);overflow:hidden}
.sec-hdr{padding:12px 14px;display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none;background:var(--surface)}
.sec-hdr:active{background:var(--soft)}
.sec-ico{font-size:15px}
.sec-lbl{font-size:13px;font-weight:600;flex:1}
.chev{font-size:10px;color:var(--muted);transition:transform .2s}
.sec.open .chev{transform:rotate(180deg)}
.sec-body{display:none;padding:13px 14px;border-top:1.5px solid var(--border);background:var(--bg);flex-direction:column;gap:11px}
.sec.open .sec-body{display:flex}
.divider{height:1px;background:var(--border);margin:3px 0}
.blk-hdr{font-size:11px;font-weight:800;color:var(--text);text-transform:uppercase;letter-spacing:1px;padding:4px 0 2px;border-bottom:1.5px solid var(--border);margin-bottom:2px}
.fg{display:flex;flex-direction:column;gap:5px}
.lbl{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}
.hint{font-size:10px;color:var(--muted);margin-top:-2px;font-style:italic}
.color-row{display:flex;align-items:center;gap:10px}
input[type=color]{width:38px;height:38px;border:1.5px solid var(--border);border-radius:var(--rs);cursor:pointer;padding:2px;background:#fff;flex-shrink:0}
.presets{display:flex;flex-wrap:wrap;gap:5px;flex:1}
.dot{width:27px;height:27px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .15s,border-color .15s}
.dot:hover,.dot.sel{transform:scale(1.18);border-color:#111}
input[type=range]{width:100%;accent-color:#111;cursor:pointer}
.srow{display:flex;align-items:center;gap:9px}
.srow input[type=range]{flex:1}
.sval{font-size:12px;font-weight:700;min-width:38px;text-align:right;color:var(--muted)}
input[type=text]{width:100%;padding:8px 11px;border:1.5px solid var(--border);border-radius:var(--rs);font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;background:#fff;color:var(--text);outline:none;transition:border-color .15s}
input[type=text]:focus{border-color:#111}
select{width:100%;padding:8px 32px 8px 11px;border:1.5px solid var(--border);border-radius:var(--rs);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 11px center;color:var(--text);outline:none;cursor:pointer;appearance:none;-webkit-appearance:none}
.dl-row{display:flex;gap:8px}
.btn_mini{flex:1;padding:11px 14px;border-radius:var(--rs);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:5px;letter-spacing:.3px}
/* .btn{flex:1;padding:11px 14px;border-radius:var(--rs);font-family:'Plus Jakarta Sans',sans-serif;font-size:13px;font-weight:700;cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center;gap:5px;letter-spacing:.3px} */
.btn-a{background:#111;color:#fff;border:2px solid #111}
.btn-a:hover{background:#333;border-color:#333}
.btn-b{background:transparent;color:#111;border:2px solid var(--border)}
.btn-b:hover{border-color:#111;background:var(--soft)}
.btn:active{transform:scale(.97)}
.ts-swatches{display:flex;flex-wrap:wrap;gap:8px}
.ts-swatch{width:52px;height:58px;border-radius:var(--rs);border:2px solid transparent;cursor:pointer;background:none;padding:0;transition:transform .15s,border-color .15s;flex-shrink:0;overflow:hidden}
.ts-swatch:hover,.ts-swatch.sel{transform:scale(1.1);border-color:#111;box-shadow:0 2px 8px #0002}
.ts-swatch img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.ts-swatch-lbl{font-size:9px;font-weight:600;color:var(--muted);text-align:center;margin-top:2px;width:52px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ─── 機能説明セクション ─────────────────────────────────────── */
.howto-sec{max-width:800px;margin:30px auto 0px;padding:0 20px 0}
.howto-sec h2{font-size:20px;font-weight:700;margin-bottom:12px}
.howto-sec h3{font-size:16px;font-weight:700;margin-bottom:10px}
.howto-sec p{font-size:14px;line-height:1.9;color:#444;margin-bottom:24px}
.howto-sec ul{font-size:14px;line-height:2;color:#444;margin-bottom:24px}
.howto-sec ul.indent{padding-left:0px}
.howto-sec .lead{font-size:14px;line-height:1.8;color:#444;margin-bottom:16px}
.howto-sec h3.fn-h{font-size:15px;font-weight:700;margin-bottom:8px}