:root { color-scheme: light; --paper: #f7f4ec; --ink: #303a34; --muted: #60675f; --green: #285640; --line: #d6dbce; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif; font-size: 17px; line-height: 1.9; overflow-wrap: anywhere; }
a { color: var(--green); text-underline-offset: .25em; }
a:focus-visible { outline: 3px solid var(--green); outline-offset: 6px; border-radius: 2px; }
.skip-link { position: absolute; top: 8px; left: 12px; padding: 6px 12px; background: var(--paper); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.page { width: min(100% - 48px, 760px); margin: 0 auto; }
header { padding: 38px 0; border-bottom: 1px solid var(--line); }
.site-name { font-size: 18px; font-weight: 600; text-decoration: none; }
main { min-height: 60vh; }
.intro { padding: 72px 0 56px; }
.eyebrow { margin: 0 0 12px; color: var(--green); font-size: 14px; letter-spacing: .08em; }
h1 { margin: 0 0 28px; font-size: clamp(28px, 5vw, 40px); font-weight: 600; line-height: 1.5; letter-spacing: .04em; }
.bio { max-width: 620px; margin: 0; }
.topics { border-top: 1px solid var(--line); }
.topic { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 27px 0; text-decoration: none; border-bottom: 1px solid var(--line); }
.topic:hover h2 { text-decoration: underline; text-underline-offset: .25em; }
h2 { margin: 0; font-size: 20px; font-weight: 600; line-height: 1.6; }
.topic p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
.arrow { font-size: 24px; flex-shrink: 0; }
footer { margin-top: 72px; padding: 24px 0 36px; color: var(--muted); }
small { font-size: 13px; }
.back { display: inline-block; margin-bottom: 32px; font-size: 15px; }
.notice { margin-top: 32px; padding: 20px 24px; border-left: 3px solid var(--green); }
.notice p { margin: 0; }
@media (max-width: 480px) { .page { width: calc(100% - 40px); } header { padding: 24px 0; } .intro { padding: 48px 0 40px; } .topic { gap: 16px; padding: 24px 0; } h2 { font-size: 18px; } footer { margin-top: 48px; } }