.guide-main { max-width: 1240px; padding-top: 38px; }
.guide-main a { color: var(--primary); text-decoration: none; }
.guide-main a:hover { text-decoration: underline; }
.guide-top-label { font-size: 14px; color: var(--muted); }
.guide-skip { position: fixed; top: -80px; left: 16px; z-index: 100; padding: 12px 18px; background: var(--primary); color: #fff; }
.guide-skip:focus { top: 12px; }
.guide-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 28px; }
.guide-heading h1 { margin-bottom: 12px; font-size: clamp(32px, 4vw, 48px); letter-spacing: -.045em; line-height: 1.15; }
.guide-heading p:last-child { margin-bottom: 0; color: var(--muted); line-height: 1.6; }
.guide-home-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 44px; padding: 10px 0; font-weight: 700; flex-shrink: 0; }
.guide-start { display: grid; grid-template-columns: 215px minmax(0, 1fr); border: 1px solid var(--line); background: var(--surface); margin-bottom: 36px; }
.guide-start-title { background: var(--primary); color: #fff; padding: 24px; }
.guide-start-title > span { font-size: 11px; letter-spacing: .12em; color: var(--signal); }
.guide-start h2 { margin: 14px 0 0; font-size: 22px; line-height: 1.45; letter-spacing: -.02em; }
.guide-start ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 24px; list-style: none; counter-reset: quick-step; }
.guide-start li { counter-increment: quick-step; }
.guide-start li::before { content: "0" counter(quick-step); display: block; font: 12px/1.5 monospace; color: var(--primary); margin-bottom: 14px; }
.guide-start strong { font-size: 14px; }
.guide-start li p { margin: 8px 0 0; font-size: 12px; color: var(--muted); line-height: 1.7; }
.guide-layout { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 28px; align-items: start; }
.guide-index { position: sticky; top: 105px; }
.guide-index > p { color: var(--muted); font-size: 11px; letter-spacing: .12em; margin: 8px 0 12px; }
.guide-index a { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 8px; color: var(--muted); font-size: 13px; border-left: 2px solid transparent; }
.guide-index a:hover, .guide-index a:focus-visible { background: var(--soft); color: var(--primary); border-left-color: var(--primary); text-decoration: none; }
.guide-index a > span:first-child { font: 11px/1.5 monospace; flex: 0 0 18px; }
.guide-index .guide-faq-link { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 18px; }
.guide-format { display: flex; flex-direction: column; gap: 6px; border-left: 3px solid var(--signal); padding: 4px 0 4px 14px; margin-bottom: 20px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.guide-format strong { color: var(--ink); font-size: 13px; }
.guide-tool { scroll-margin-top: 110px; border: 1px solid var(--line); background: var(--surface); padding: 28px; margin-bottom: 20px; border-radius: 4px; }
.guide-tool:target { border-color: var(--primary); }
.guide-tool > header { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.guide-tool-name { display: flex; align-items: center; gap: 16px; }
.guide-number { display: grid; place-items: center; width: 42px; height: 48px; flex-shrink: 0; font: 16px/1 monospace; color: var(--primary); background: var(--soft); }
.guide-kind { color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.guide-tool h2 { font-size: 24px; margin: 5px 0 0; letter-spacing: -.03em; }
.guide-open { font-size: 13px; font-weight: 700; padding: 14px 0; flex-shrink: 0; }
.guide-purpose { color: var(--muted); margin: 20px 0; font-size: 15px; line-height: 1.7; }
.guide-material { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; padding: 14px 16px; background: #f7f9fc; border: 1px solid var(--line); }
.guide-material span { font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.guide-material strong { font-size: 13px; }
.guide-steps { margin: 20px 0; padding-left: 23px; font-size: 14px; line-height: 1.85; }
.guide-steps li { padding-left: 6px; margin-bottom: 9px; }
.guide-steps li::marker { color: var(--primary); font-weight: 700; }
.guide-tip { margin: 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.85; }
.guide-download-rules { padding: 16px 18px; background: #fffbe5; border-left: 3px solid var(--signal); font-size: 13px; line-height: 1.85; }
.guide-download-rules p { margin-bottom: 10px; }
.guide-faq { scroll-margin-top: 110px; margin-top: 40px; }
.guide-faq h2 { margin-bottom: 24px; font-size: 28px; letter-spacing: -.03em; }
.guide-faq details { border-bottom: 1px solid var(--line); }
.guide-faq summary { padding: 20px 4px; font-size: 15px; font-weight: 700; cursor: pointer; line-height: 1.6; }
.guide-faq summary::marker { color: var(--primary); }
.guide-faq summary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.guide-faq details > div { padding: 0 4px 20px; font-size: 14px; line-height: 1.85; color: var(--muted); }
.guide-faq details p { margin-bottom: 10px; }
.guide-faq details p:last-child { margin-bottom: 0; }
.guide-faq details a { display: inline-block; padding: 10px 0; min-height: 44px; }
.guide-footer { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.8; }
.guide-footer a { flex-shrink: 0; padding: 8px 0; }
.guide-footer p { max-width: 760px; margin: 8px 0 0; }
@media (max-width: 1200px) { .guide-start { grid-template-columns: 1fr; } .guide-start-title { display: flex; align-items: center; gap: 24px; padding: 18px 24px; } .guide-start h2 { margin: 0; font-size: 20px; } .guide-layout { grid-template-columns: 145px minmax(0, 1fr); gap: 20px; } }
@media (max-width: 1000px) { .guide-top-label { display: none; } .guide-layout { grid-template-columns: 1fr; } .guide-index { position: static; display: flex; flex-wrap: wrap; gap: 4px; padding-bottom: 16px; border-bottom: 1px solid var(--line); } .guide-index > p { flex-basis: 100%; } .guide-index a { background: var(--surface); padding: 10px 12px; } .guide-index .guide-faq-link { margin: 0; padding: 10px 12px; border-top: 0; } }
@media (max-width: 540px) { .guide-main { width: calc(100% - 32px); padding-top: 28px; } .guide-heading { align-items: flex-start; gap: 12px; } .guide-heading h1 { font-size: 32px; } .guide-heading p:last-child { font-size: 13px; } .guide-home-link { font-size: 12px; gap: 6px; } .guide-start-title { display: block; padding: 20px; } .guide-start h2 { margin-top: 8px; font-size: 21px; } .guide-start ol { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; padding: 20px; } .guide-tool { padding: 20px; scroll-margin-top: 170px; } .guide-tool > header { align-items: flex-start; flex-wrap: wrap; gap: 4px 14px; } .guide-tool h2 { font-size: 22px; } .guide-open { margin-left: auto; } .guide-tool-name { gap: 12px; } .guide-kind { font-size: 9px; } .guide-purpose { font-size: 14px; margin-top: 16px; } .guide-material { padding: 12px; } .guide-steps { font-size: 13px; } .guide-faq { scroll-margin-top: 170px; } .guide-faq h2 { font-size: 24px; } .guide-faq summary { font-size: 14px; } .guide-footer { flex-direction: column; gap: 4px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }