/* ベスコピのサポートサイト。アプリと同じライム × チャコール。外部フォントは使わない。 */
:root {
  --bg: #131617;
  --surface: #1b1f20;
  --raised: #222728;
  --ink: #eef2e8;
  --muted: #a3ab9c;
  --line: #2c3330;
  --accent: #c9ef70;
  --accent-ink: #131617;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.9 var(--sans); }
h1, h2, h3, p, figure { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { width: min(980px, calc(100% - 32px)); margin-inline: auto; }
.skip { position: absolute; left: 12px; top: -100px; background: var(--accent); color: var(--accent-ink); padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 8px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-header nav { display: flex; gap: 18px; font-size: .85rem; color: var(--muted); }
.site-header nav a { text-decoration: none; padding-block: 8px; }
.site-header nav a:hover { color: var(--ink); }

.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding-block: 40px 56px; }
.hero h1 { font-size: clamp(2.6rem, 7vw, 4.2rem); line-height: 1.15; letter-spacing: -.02em; }
.hero .subtitle { color: var(--accent); font-weight: 600; margin-top: 12px; font-size: 1.05rem; }
.hero .description { color: var(--muted); margin-top: 20px; text-wrap: pretty; }
.hero .device-note { color: var(--muted); font-size: .8rem; margin-top: 18px; }
.phone { width: min(280px, 100%); justify-self: center; padding: 6px; background: #0b0d0d; border: 1px solid var(--line); border-radius: 38px; }
.phone img { border-radius: 32px; width: 100%; height: auto; }

.section { padding-block: 48px; border-top: 1px solid var(--line); }
.section h2 { font-size: 1.5rem; margin-bottom: 24px; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.step .icon { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.step h3 { margin-top: 12px; font-size: 1.05rem; }
.step p { color: var(--muted); font-size: .9rem; margin-top: 8px; }
.step small { display: block; color: var(--muted); font-size: .78rem; margin-top: 10px; }

details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; padding: 16px 32px 16px 0; position: relative; font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "＋"; position: absolute; right: 4px; color: var(--accent); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding: 0 0 18px; font-size: .95rem; }

.contact a.mail { display: inline-block; margin-top: 8px; font-size: 1.2rem; color: var(--accent); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact p { color: var(--muted); }

.site-footer { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; padding-block: 28px 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.site-footer a { text-decoration: none; }
.site-footer small { margin-left: auto; }

/* プライバシーポリシー */
.policy { padding-block: 24px 64px; max-width: 760px; }
.policy h1 { font-size: 1.8rem; }
.policy .updated { color: var(--muted); font-size: .85rem; margin-top: 6px; }
.policy h2 { font-size: 1.15rem; margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); }
.policy p, .policy li { color: #d7dccf; margin-top: 10px; }
.policy ul { padding-left: 1.2em; margin: 0; }
.policy strong { color: var(--ink); }
.back { display: inline-block; margin-top: 40px; color: var(--accent); }

@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; padding-block: 24px 40px; }
  .steps { grid-template-columns: 1fr; }
  .site-header nav a.optional { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }