/* Shared by all pages. No external dependencies. */
:root { color-scheme: light; --ink: #263c3b; --muted: #586a68; --paper: #fffefa; --coral: #ad493d; --line: #dfE5df; --soft: #f3f5ef; }
* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }
a { color: var(--coral); text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #957214; outline-offset: 5px; }
.home { min-height: 100svh; display: flex; flex-direction: column; border-top: 5px solid var(--coral); }
.hero { width: min(100%, 620px); margin: auto; padding: 24px 24px 20px; text-align: center; }
.eyebrow { margin: 0 0 16px; color: var(--muted); font-size: 12px; font-weight: 700; letter-spacing: .13em; }
.avatar { display: block; width: 132px; height: 132px; margin: 0 auto 20px; border-radius: 50%; border: 5px solid #fff; outline: 1px solid #ddd6bf; }
h1, h2 { line-height: 1.5; letter-spacing: .015em; }
.hero h1 { margin: 0; font-size: clamp(26px, 5vw, 36px); }
.handle { margin: 8px 0 20px; color: var(--muted); font-size: 14px; }
.intro { margin: 0 0 10px; font-size: 15px; line-height: 1.85; }
.ai-note { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.instagram { display: inline-flex; justify-content: center; align-items: center; gap: 22px; min-height: 50px; padding: 10px 26px; background: var(--coral); color: #fff; border-radius: 8px; font-size: 15px; font-weight: 700; text-decoration: none; }
.instagram:hover { background: #913d33; }
.footer { padding: 16px 20px 20px; border-top: 1px solid var(--line); text-align: center; font-size: 12px; }
.footer nav { display: flex; flex-wrap: wrap; justify-content: center; column-gap: 18px; row-gap: 8px; }
.footer a { display: inline-flex; align-items: center; min-height: 32px; color: var(--muted); }
.footer p { margin: 10px 0 0; color: var(--muted); }
.site-header { max-width: 760px; margin: auto; padding: 20px 24px; border-bottom: 1px solid var(--line); font-size: 13px; }
.site-header a { color: var(--ink); font-weight: 700; text-decoration: none; }
.document { max-width: 760px; margin: 0 auto; padding: 32px 24px 48px; }
.document h1 { margin: 0 0 12px; font-size: clamp(26px, 5vw, 34px); }
.document .lead { margin: 0 0 32px; color: var(--muted); }
.document section { margin-top: 30px; }
.document h2 { font-size: 19px; margin: 0 0 12px; }
.document p { margin: 0 0 14px; }
.document ul, .document ol { margin: 0 0 16px; padding-left: 1.5em; }
.document li + li { margin-top: 8px; }
.notice { padding: 18px; background: var(--soft); border-left: 3px solid #a28435; border-radius: 0 8px 8px 0; }
dl { margin: 0 0 16px; }
dt { font-weight: 700; }
dd { margin: 0 0 12px; }
#contact { scroll-margin-top: 24px; }
@media (max-height: 700px) { .hero { padding-top: 16px; padding-bottom: 16px; } .avatar { width: 100px; height: 100px; margin-bottom: 14px; } .eyebrow { margin-bottom: 12px; } .handle { margin-bottom: 14px; } .ai-note { margin-bottom: 18px; } }