:root {
    color-scheme: light;
    --support-primary: #1d4ed8;
    --support-border: #e5e7eb;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: #fff;
    color: #1f2937;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", Meiryo, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0;
}
a { color: var(--support-primary); text-underline-offset: 3px; }
a:hover { color: #1e3a8a; }
a:focus-visible { outline: 3px solid #b45309; outline-offset: 4px; }
.support-width { width: min(100%, 808px); margin: 0 auto; padding: 0 24px; }
.support-header { border-bottom: 1px solid var(--support-border); }
.support-header > div { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-top: 16px; padding-bottom: 16px; }
.support-brand { display: inline-flex; align-items: center; gap: 12px; color: #1e3a8a; font-size: 20px; font-weight: 700; text-decoration: none; }
.support-brand img { display: block; width: 48px; height: 48px; object-fit: contain; }
.support-languages { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 14px; }
.support-languages a { display: inline-flex; align-items: center; min-height: 44px; }
.support-languages a[aria-current="page"] { color: #1f2937; font-weight: 700; text-decoration-thickness: 2px; }
main.support-width { padding-top: 32px; padding-bottom: 40px; }
h1 { margin: 0 0 12px; font-size: 28px; line-height: 1.45; overflow-wrap: anywhere; }
h2 { margin: 0 0 12px; font-size: 20px; line-height: 1.5; }
p { margin: 0 0 16px; }
.support-intro { color: #4b5563; }
section { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--support-border); }
ol, ul { margin: 0 0 16px; padding-left: 24px; }
li { margin: 6px 0; }
address { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; margin: 0 0 16px; font-style: normal; }
.support-email { font-size: 20px; font-weight: 700; overflow-wrap: anywhere; }
.support-email-action { display: inline-block; max-width: 100%; padding: 10px 18px; border: 1px solid var(--support-primary); border-radius: 6px; color: #fff; background: var(--support-primary); font-weight: 600; text-align: center; text-decoration: none; overflow-wrap: anywhere; }
.support-email-action:hover { background: #1e3a8a; color: #fff; }
.support-note { margin-top: 16px; color: #4b5563; font-size: 14px; }
.support-footer { padding: 20px 0; border-top: 1px solid var(--support-border); background: #f7f9fc; }
.support-footer nav { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 14px; }
.support-skip { position: absolute; top: 0; left: 16px; transform: translateY(-150%); padding: 8px 12px; background: #fff; z-index: 1; }
.support-skip:focus { transform: translateY(0); }

@media (max-width: 480px) {
    .support-width { padding-left: 20px; padding-right: 20px; }
    main.support-width { padding-top: 24px; }
    h1 { font-size: 24px; }
}