:root {
  --bg: #F3EFE8;
  --surface: #FFFFFF;
  --ink: #1B1C1F;
  --ink-2: #63666E;
  --hairline: #E2DCD1;
  --coral: #FF5A36;
  --on-coral: #1B1C1F;
  --link: #B83418;
  --coral-soft: rgba(255, 90, 54, 0.10);
  --danger: #B42318;
  --display: "Bricolage Grotesque", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E0F12;
    --surface: #1B1D22;
    --ink: #F4F1EB;
    --ink-2: #A4A7AE;
    --hairline: #2B2E34;
    --coral: #FF5A36;
    --on-coral: #0E0F12;
    --link: #FF7A5C;
    --coral-soft: rgba(255, 90, 54, 0.14);
    --danger: #FF8A7A;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}
a { color: var(--link); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--coral); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--surface); padding: 8px 14px; border-radius: 10px; z-index: 10; }

header.site {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand span { font: 700 23px/1 var(--display); letter-spacing: -0.02em; }
nav.site { display: flex; gap: 18px; font-size: 15px; }
nav.site a { color: var(--ink-2); text-decoration: none; padding: 6px 0; }
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--ink); }
nav.site a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--coral); }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; }
h1 { font-size: clamp(36px, 8vw, 56px); margin: 28px 0 14px; }
h2 { font-size: 27px; margin: 48px 0 10px; }
h3 { font-size: 20px; font-weight: 600; margin: 28px 0 6px; letter-spacing: -0.01em; }
.lede { font-size: 19px; color: var(--ink-2); margin: 0 0 8px; }
.muted { color: var(--ink-2); }
.small { font-size: 14px; color: var(--ink-2); }
.dot { color: var(--coral); }

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: 20px 22px;
  margin: 18px 0;
}
.card.summary { background: var(--coral-soft); border-color: transparent; }
.card.note { border-left: 4px solid var(--coral); }
.card ul { margin: 8px 0 0; padding-left: 20px; }
.card li + li { margin-top: 6px; }

table.facts { width: 100%; border-collapse: collapse; font-size: 15px; }
table.facts th, table.facts td { text-align: left; padding: 10px 8px 10px 0; border-bottom: 1px solid var(--hairline); vertical-align: top; }
table.facts tr:last-child th, table.facts tr:last-child td { border-bottom: 0; }
table.facts th { color: var(--ink-2); font-weight: 600; width: 34%; }
.scroll-x { overflow-x: auto; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 26px; border: 0; border-radius: 999px;
  background: var(--coral); color: var(--on-coral);
  font: 700 17px/1 var(--sans); text-decoration: none; cursor: pointer;
}
.button[disabled] { opacity: 0.45; cursor: default; }

form .field { margin: 0 0 16px; }
form label, form .label { display: block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
input, textarea, select {
  width: 100%; font: 17px/1.4 var(--sans); color: var(--ink);
  background: var(--bg); border: 1px solid var(--hairline); border-radius: 14px;
  padding: 14px 16px;
}
textarea { min-height: 170px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--coral); outline-offset: 1px; }
.topics { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0; }
.topics input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.topics label {
  margin: 0; text-transform: none; letter-spacing: 0; font: 600 15px/1 var(--sans); color: var(--ink);
  padding: 12px 16px; border-radius: 999px; background: var(--bg); border: 1px solid var(--hairline); cursor: pointer;
}
.topics input:checked + label { background: var(--ink); color: var(--bg); border-color: transparent; }
.topics input:focus-visible + label { outline: 2px solid var(--coral); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status { margin-top: 16px; font-size: 15px; }
.status.error { color: var(--danger); }

details.faq { border-bottom: 1px solid var(--hairline); padding: 4px 0; }
details.faq summary { cursor: pointer; font: 600 18px/1.35 var(--sans); padding: 14px 28px 14px 0; list-style: none; position: relative; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-size: 22px; color: var(--coral); }
details.faq[open] summary::after { content: "–"; }
details.faq p, details.faq ul { margin-top: 0; }

footer.site { margin: 64px 0 40px; padding-top: 20px; border-top: 1px solid var(--hairline); font-size: 14px; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer.site a { color: var(--ink-2); text-decoration: none; }
footer.site a:hover { color: var(--ink); }

@media (max-width: 520px) {
  body { font-size: 16px; }
  nav.site { gap: 14px; font-size: 14px; }
  .brand img { width: 34px; height: 34px; }
  .brand span { font-size: 20px; }
  table.facts th { width: 40%; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}