:root {
  color-scheme: light;
  --ink: #172b46;
  --body: #344256;
  --muted: #68778a;
  --line: #e4e7eb;
  --paper: #f8f7f3;
  --card: #fff;
  --accent: #ef5b43;
  --accent-dark: #bd3b2b;
}
* { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body { margin: 0; color: var(--body); font: 16px/1.8 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif; -webkit-text-size-adjust: 100%; }
a { color: #126b83; text-underline-offset: .18em; }
a:focus-visible, summary:focus-visible { outline: 3px solid #167e9b; outline-offset: 3px; border-radius: 5px; }
.document, .home { width: min(100% - 36px, 760px); margin: 0 auto; padding: 28px 0 48px; }
.home { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; }
.brand { display: inline-block; width: fit-content; color: var(--ink); font-size: 23px; line-height: 1.2; font-weight: 850; letter-spacing: .05em; text-decoration: none; }
.eyebrow { margin: 0 0 7px; color: var(--accent-dark); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
h1, h2 { color: var(--ink); line-height: 1.4; }
h1 { margin: 4px 0 12px; font-size: clamp(28px, 7vw, 40px); letter-spacing: .015em; }
h2 { margin: 34px 0 10px; font-size: 21px; }
p { margin: 10px 0; }
.lead { max-width: 34em; color: var(--muted); font-size: 17px; }
.link-list { display: grid; gap: 12px; margin: 26px 0; }
.link-card { display: grid; grid-template-columns: 48px minmax(0,1fr) 18px; gap: 14px; align-items: center; padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); color: var(--ink); text-decoration: none; box-shadow: 0 4px 16px #1b2f4610; }
.link-card strong, .link-card small { display: block; }
.link-card strong { font-size: 16px; }
.link-card small { margin-top: 2px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.link-icon { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 15px; background: #fff0e9; color: var(--accent-dark); font-size: 25px; font-weight: 800; }
.link-icon.privacy { background: #e8f4f1; color: #176d65; }
.arrow { color: var(--muted); font-size: 27px; }
.back { display: inline-block; margin: 0 0 22px; color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
.page-header { padding: 10px 0 22px; border-bottom: 1px solid var(--line); margin-bottom: 22px; }
.page-header h1 { font-size: clamp(27px, 6vw, 36px); }
.page-header p:last-child { color: var(--muted); }
.updated { font-size: 13px; }
.document > p { margin: 15px 0; }
.document h2 { margin-top: 30px; font-size: 19px; }
.contact-card { margin: 24px 0 30px; padding: 21px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); box-shadow: 0 4px 18px #1b2f460c; }
.contact-card h2 { margin: 0 0 8px; }
.privacy-note { color: var(--muted); font-size: 14px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; margin: 12px 0 2px; padding: 10px 20px; border-radius: 999px; background: var(--accent); color: #fff; font-weight: 750; text-decoration: none; }
.button:hover { background: var(--accent-dark); }
.email-address { margin-bottom: 0; font-size: 14px; }
details { padding: 14px 0; border-bottom: 1px solid var(--line); }
summary { color: var(--ink); font-weight: 720; cursor: pointer; }
details p { margin: 10px 0 0; color: var(--body); }
ol { padding-left: 1.45em; }
li { padding-left: .2em; margin: 5px 0; }
footer { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-top: 42px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer a { font-weight: 650; }
@media (min-width: 600px) { .document, .home { width: min(100% - 64px, 760px); padding-top: 42px; } .contact-card { padding: 26px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }