.guide-page { background: #f5faf8; color: #16373b; }
.guide-header { padding: 18px max(24px, calc((100% - 1180px) / 2)); background: #031216; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.guide-header nav { display: flex; align-items: center; gap: 24px; color: #d9ebeb; }
.guide-header nav > a:first-child { font-size: .9rem; }
.guide-layout { width: min(1180px, calc(100% - 48px)); margin: 54px auto 90px; display: grid; grid-template-columns: minmax(0, 780px) minmax(200px, 280px); gap: 70px; align-items: start; }
.guide-layout h1 { font-size: clamp(2.1rem, 4.2vw, 3.7rem); line-height: 1.08; letter-spacing: -.045em; }
.guide-layout .eyebrow { color: #087570; }
.breadcrumb { font-size: .85rem; color: #506d70; margin-bottom: 40px; }
.guide-intro { margin: 28px 0 18px; font-size: 1.2rem; line-height: 1.75; color: #385c60; }
.guide-meta { color: #536d70; font-size: .82rem; line-height: 1.7; }
.guide-toc { margin: 30px 0 44px; padding: 26px; border: 1px solid #c8deda; border-radius: 20px; background: #e8f3f0; }
.guide-toc ol { margin-bottom: 0; padding-left: 0; list-style: none; }
.guide-layout li { margin: 10px 0; line-height: 1.75; }
.guide-layout section { margin: 44px 0; scroll-margin-top: 28px; }
.guide-layout h2 { margin: 0 0 20px; font-size: clamp(1.5rem, 2.3vw, 2rem); line-height: 1.2; letter-spacing: -.025em; }
.guide-layout section p, .guide-next p { line-height: 1.85; }
.guide-layout a:not(.button) { text-decoration-thickness: 1px; text-underline-offset: 4px; }
.guide-layout a:hover { color: #00766f; }
.guide-layout dt { margin: 24px 0 8px; font-weight: 750; }
.guide-layout dd { margin: 0; line-height: 1.85; }
.guide-figure { margin: 38px 0; padding: 30px; border: 1px solid #cfdfda; border-radius: 24px; background: #08252b; text-align: center; }
.guide-figure img { width: auto; height: auto; max-width: 100%; max-height: 420px; margin: auto; border-radius: 20px; }
.guide-figure figcaption { color: #b7ced0; margin-top: 18px; font-size: .8rem; line-height: 1.6; }
.guide-related { position: sticky; top: 35px; padding-top: 76px; }
.guide-related > a { display: block; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #cfdfda; font-weight: 650; line-height: 1.5; }
.guide-related > p:last-child { margin-top: 34px; font-size: .9rem; line-height: 1.8; }
.guide-next { margin-top: 50px; padding: 30px; border-radius: 24px; background: #dff2ec; }
.guide-page .site-footer { color: #d9ebeb; }
:focus-visible { outline: 3px solid #087e7a; outline-offset: 5px; }
@media (max-width: 900px) { .guide-layout { grid-template-columns: 1fr; gap: 10px; max-width: 760px; } .guide-related { position: static; padding-top: 25px; } }
@media (max-width: 520px) { .guide-header { padding: 16px 20px; flex-wrap: wrap; } .guide-header nav { width: 100%; justify-content: space-between; gap: 10px; } .guide-header .button { min-height: 44px; padding: 0 15px; font-size: .85rem; } .guide-layout { width: calc(100% - 40px); margin-top: 32px; } .guide-toc, .guide-next { padding: 22px; } .guide-intro { font-size: 1.08rem; } }