:root{
  --bg:#f7f9fb; --panel:#fff; --ink:#16232e; --ink-2:#5b6b78; --line:#e2e8ee;
  --brand:#0e6e7d; --brand-d:#0a5461; --brand-l:#e6f2f4;
  --warn:#a8631a; --warn-bg:#fdf5e7; --danger:#b3261e; --ok:#1f7a45;
  --radius:12px; --shadow:0 1px 2px rgba(16,36,54,.06),0 6px 20px rgba(16,36,54,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  font-size:16px;line-height:1.8;-webkit-text-size-adjust:100%;
}
a{color:var(--brand);text-underline-offset:3px}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

/* header */
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
header.site .wrap{display:flex;align-items:center;gap:20px;height:62px}
.logo{font-weight:700;font-size:19px;letter-spacing:.2px;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo span{color:var(--brand)}
header.site nav{margin-left:auto;display:flex;gap:22px;font-size:14px}
header.site nav a{color:var(--ink-2);text-decoration:none}
header.site nav a:hover{color:var(--brand)}
@media(max-width:640px){header.site nav{gap:14px;font-size:13px}.logo{font-size:17px}}

/* hero */
.hero{padding:52px 0 30px;text-align:center}
.hero h1{font-size:33px;line-height:1.45;margin:0 0 14px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero p.lead{font-size:17px;color:var(--ink-2);margin:0 auto;max-width:620px}
.badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.badge{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 15px;font-size:13px;color:var(--ink-2)}
@media(max-width:640px){.hero h1{font-size:24px}.hero{padding:34px 0 22px}}

/* panel */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel .pad{padding:24px}
section{margin:36px 0}
h2{font-size:22px;margin:0 0 16px}
h3{font-size:17px;margin:26px 0 8px}

/* dropzone */
.drop{border:2px dashed #b9ccd6;border-radius:var(--radius);background:#fff;padding:44px 20px;text-align:center;transition:.15s;cursor:pointer}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-l)}
.drop .big{font-size:18px;font-weight:600;margin-bottom:6px}
.drop .sub{font-size:13.5px;color:var(--ink-2)}
.drop svg{opacity:.5;margin-bottom:10px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;
  border-radius:9px;padding:11px 22px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;
  font-family:inherit;transition:.12s;line-height:1.4}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.sm{padding:7px 14px;font-size:13.5px}
.btn.block{width:100%}

/* file list */
.files{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:8px}
.files li{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:14px}
.files img{width:40px;height:40px;object-fit:cover;border-radius:6px;background:#eef2f5;flex:none}
.files .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.files .rm{border:none;background:none;color:var(--ink-2);cursor:pointer;font-size:19px;line-height:1;padding:4px 8px}
.files .rm:hover{color:var(--danger)}

/* table */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.data{border-collapse:collapse;width:100%;font-size:13.5px;min-width:900px}
table.data th{background:#f2f6f8;text-align:left;font-weight:600;padding:10px;border-bottom:1px solid var(--line);white-space:nowrap;color:var(--ink-2);font-size:12.5px}
table.data td{padding:5px 7px;border-bottom:1px solid #eef2f5;vertical-align:middle}
table.data tr.low{background:#fdf7ec}
table.data input,table.data select{width:100%;border:1px solid transparent;background:transparent;border-radius:6px;padding:6px 7px;font-size:13.5px;font-family:inherit;color:inherit}
table.data input:hover,table.data select:hover{border-color:var(--line)}
table.data input:focus,table.data select:focus{border-color:var(--brand);background:#fff;outline:none}
table.data input.num{text-align:right;font-variant-numeric:tabular-nums}
.flag{display:inline-block;font-size:11px;background:var(--warn-bg);color:var(--warn);border-radius:5px;padding:2px 7px;white-space:nowrap}
.delrow{border:none;background:none;color:#c3ced6;cursor:pointer;font-size:17px;padding:2px 6px}
.delrow:hover{color:var(--danger)}

/* misc */
.note{background:var(--warn-bg);border:1px solid #f0e0c0;border-radius:9px;padding:13px 16px;font-size:14px;color:#6b4a15}
.info{background:var(--brand-l);border:1px solid #cfe6ea;border-radius:9px;padding:13px 16px;font-size:14px;color:#12525c}
.err{background:#fdeceb;border:1px solid #f5cdc9;border-radius:9px;padding:13px 16px;font-size:14px;color:#8d1e17}
.muted{color:var(--ink-2);font-size:14px}
.center{text-align:center}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.spacer{flex:1}
.hidden{display:none!important}
.bar{height:6px;background:#e4ebf0;border-radius:99px;overflow:hidden;margin:14px 0 6px}
.bar>i{display:block;height:100%;background:var(--brand);width:0;transition:width .3s}
.quota{font-size:13.5px;color:var(--ink-2)}
.quota b{color:var(--ink)}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.plan.pick{border-color:var(--brand);border-width:2px;position:relative}
.plan.pick::after{content:"人気";position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:11.5px;padding:3px 13px;border-radius:99px;letter-spacing:.05em}
.plan h3{margin:0 0 4px;font-size:17px}
.plan .price{font-size:29px;font-weight:700;margin:8px 0 2px;font-variant-numeric:tabular-nums}
.plan .price small{font-size:14px;font-weight:400;color:var(--ink-2)}
.plan .blurb{font-size:13.5px;color:var(--ink-2);min-height:52px;margin:8px 0 14px}
.plan ul{list-style:none;padding:0;margin:0 0 20px;font-size:14px;flex:1}
.plan ul li{padding:5px 0 5px 22px;position:relative}
.plan ul li::before{content:"";position:absolute;left:2px;top:14px;width:11px;height:6px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* content pages */
.doc h2{margin-top:38px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.doc ol,.doc ul{padding-left:1.4em}
.doc li{margin:6px 0}
.doc table{border-collapse:collapse;width:100%;font-size:14px;margin:14px 0}
.doc table th,.doc table td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.doc table th{background:#f2f6f8}
.faq{background:#fff;border:1px solid var(--line);border-radius:9px;padding:0 18px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600;padding:15px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--brand);margin-right:9px;font-weight:400}
.faq[open] summary::before{content:"−"}
.faq .a{padding:0 0 16px;color:var(--ink-2);font-size:14.5px;border-top:1px solid var(--line);padding-top:14px}

footer.site{background:#fff;border-top:1px solid var(--line);margin-top:60px;padding:34px 0;font-size:13.5px;color:var(--ink-2)}
footer.site a{color:var(--ink-2);text-decoration:none;margin-right:18px;display:inline-block;padding:3px 0}
footer.site a:hover{color:var(--brand)}
.keybox{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;letter-spacing:2px;background:#f2f6f8;border:1px solid var(--line);border-radius:9px;padding:15px 20px;display:inline-block;font-weight:600}