:root {
  --bg: #fbf7f1;
  --surface: #ffffff;
  --ink: #1f2a2e;
  --muted: #5b676b;
  --line: #e6ddd0;
  --brand: #0f4c5c;
  --brand-ink: #ffffff;
  --accent: #d98c2b;
  --accent-soft: #fbecd6;
  --ok: #2e7d4f;
  --warn: #9a5b00;
  --bad: #b3261e;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 20px rgba(15,76,92,.07);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12191b; --surface: #1a2427; --ink: #e9eef0; --muted: #a3b0b4; --line: #2b3a3e;
    --brand: #5fb3c4; --brand-ink: #0c1a1d; --accent: #f0b35c; --accent-soft: #3a2c17;
    --ok: #6fcf97; --warn: #f2c94c; --bad: #ff8a80;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--font); }
a { color: var(--brand); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }

/* Header */
#site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; color: var(--ink); }
.mark { width: 26px; height: 26px; border-radius: 50% 50% 50% 8px; background: radial-gradient(circle at 35% 35%, var(--accent) 0 38%, var(--brand) 40%); }
nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
nav a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); font-size: 15px; }
nav a[aria-current="page"], nav a:hover { color: var(--brand); background: var(--accent-soft); }
.lang { border: 1px solid var(--line); background: transparent; color: var(--ink); padding: 6px 12px; border-radius: 999px; font: inherit; font-size: 14px; cursor: pointer; }
@media (max-width: 640px) { nav { order: 3; flex-basis: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; } .bar { gap: 8px; } .lang { margin-left: auto; } }

/* Hero */
.hero { padding: 56px 0 32px; }
.kicker { color: var(--accent); font-weight: 600; letter-spacing: .02em; margin: 0 0 8px; }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 22px; margin: 32px 0 12px; }
.lead { font-size: 18px; color: var(--muted); max-width: 680px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 999px; background: var(--brand); color: var(--brand-ink); text-decoration: none; font-weight: 600; border: 0; font: inherit; font-weight: 600; cursor: pointer; }
.btn.alt { background: var(--accent); color: #fff; }
.btn.ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.btn.danger { background: transparent; color: var(--bad); border: 1px solid var(--bad); }
.btn:disabled { opacity: .6; cursor: wait; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); counter-reset: s; }
.steps li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 16px 16px 56px; position: relative; box-shadow: var(--shadow); }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; left: 16px; top: 14px; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; display: grid; place-items: center; }
.facts { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); padding: 0; list-style: none; }
.facts li { padding: 12px 14px; border-left: 3px solid var(--brand); background: var(--surface); border-radius: 0 10px 10px 0; }

.notice { background: var(--accent-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }

/* Forms */
form { display: grid; gap: 14px; }
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 14px; min-width: 0; }
legend, .group-label { font-weight: 600; margin-bottom: 6px; padding: 0; }
label { display: grid; gap: 4px; font-size: 15px; }
input[type=text], input[type=email], input[type=tel], input[type=date], input[type=number], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font: inherit; color: var(--ink); background: var(--surface);
}
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 35%, transparent); outline-offset: 1px; }
label.check { display: flex; gap: 10px; align-items: flex-start; }
label.check input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.row2 { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.chips { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.child { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: end; padding: 12px; border: 1px dashed var(--line); border-radius: 10px; }
@media (max-width: 480px) { .child { grid-template-columns: 1fr 1fr; } .child label:first-child { grid-column: 1 / -1; } }
.link { background: none; border: 0; color: var(--bad); font: inherit; cursor: pointer; padding: 8px; }
.invalid { border-color: var(--bad) !important; box-shadow: 0 0 0 2px color-mix(in srgb, var(--bad) 25%, transparent); }
.form-error { color: var(--bad); font-weight: 600; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.consents { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }

.codes { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; }
.codes dt { color: var(--muted); }
.codes code { font-size: 17px; word-break: break-all; background: var(--accent-soft); padding: 2px 6px; border-radius: 6px; }
.reasons { color: var(--muted); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Footer */
#site-footer { margin-top: 64px; border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
.disclosure { max-width: 760px; }
.small { font-size: 13px; }
main { padding-bottom: 24px; }
.prose h2 { margin-top: 28px; }
.prose li { margin: 4px 0; }

/* Admin */
.admin table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin th, .admin td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin .tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0; }
.admin .tabs button { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 6px 12px; border-radius: 999px; font: inherit; cursor: pointer; }
.admin .tabs button[aria-selected="true"] { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.admin .scroll { overflow-x: auto; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--accent-soft); }
.pill.ok { color: var(--ok); } .pill.bad { color: var(--bad); } .pill.warn { color: var(--warn); }
.stats { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stats div { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.stats b { display: block; font-size: 22px; }