/* Outer layout and guide panels follow the current air-support page. */
html{background:#fff}
body{margin:0;color:#273432;background:#fbfdfb;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}
.sniper-page{width:min(1120px,calc(100% - 32px));margin:0 auto 64px}
.sniper-page>.breadcrumb{margin-top:12px;color:#667572;font-size:.88rem;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;overflow-wrap:anywhere}
.sniper-page>.breadcrumb a{color:#26755b}
.sniper-page [hidden]{display:none!important}
.sniper-hero{padding:28px 0 38px}
.sniper-page .series-label{margin:0 0 12px;color:#2f8f70;font-size:.78rem;font-weight:800;letter-spacing:.14em}
.sniper-hero h1{margin:0;font-size:40px;line-height:1.18}
.sniper-hero p{max-width:620px;margin:20px 0 0;color:#687773;font-size:1.05rem}
.sniper-page a{color:#2f8f70}
.sniper-page .sniper-guide{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px}
.sniper-page .sniper-guide>*{min-width:0;box-sizing:border-box}
.sniper-page .guide-intro{grid-column:1/-1;padding:24px;border:1px solid #dbe8e3;border-radius:8px;background:#edf8f3}
.sniper-page .sniper-guide h2{margin:0 0 18px;color:#273432;font-size:1.18rem}
.sniper-page .guide-intro h2{margin-bottom:8px;color:#2f8f70;font-size:1rem}
.sniper-page .sniper-guide p{margin:0;color:#687773}
.sniper-page .guide-intro .guide-purpose{margin-bottom:10px;color:#273432;font-size:clamp(1.25rem,3vw,1.6rem);font-weight:800;line-height:1.45}
.sniper-page .guide-important{display:grid;gap:8px;margin:16px 0 0;padding-left:1.3em;color:#273432}
.sniper-page .guide-card{padding:24px;border:1px solid #dbe8e3;border-radius:8px;background:#fffefb}
.sniper-page .sniper-guide strong{color:#273432}
.sniper-page .guide-steps{display:grid;gap:16px;margin:0;padding-left:1.4em}
.sniper-page .guide-steps li::marker{color:#2f8f70;font-weight:800}
.sniper-page .guide-steps strong,.sniper-page .guide-steps span{display:block}
.sniper-page .guide-steps span{margin-top:3px;color:#526660}
.sniper-page .operation-list{display:grid;gap:12px;margin:0}
.sniper-page .operation-list dt{font-weight:700;color:#273432}
.sniper-page .operation-list dd{margin:2px 0 0;color:#526660}
.sniper-page .sniper-guide .guide-small{margin-top:16px;color:#526660;font-size:.92rem}
.sniper-page .sniper-guide .guide-related{margin-top:18px;font-size:.95rem}
.sniper-page .sniper-guide li,.sniper-page .sniper-guide p,.sniper-page .sniper-guide dd{overflow-wrap:anywhere}
@media(max-width:640px){.sniper-page{width:calc(100% - 24px)}.sniper-hero h1{font-size:32px}.sniper-page .sniper-guide{grid-template-columns:1fr;gap:14px}.sniper-page .guide-intro,.sniper-page .guide-card{padding:18px}}