.checklist-page .r-hero h1{max-width:1100px}
.checklist-page .r-intro>p:not(.r-eyebrow){max-width:850px}
.checklist-wrap{padding-bottom:6rem}
.check-step{display:grid;grid-template-columns:minmax(250px,.7fr) minmax(0,1.3fr);gap:6vw;align-items:start;padding:6rem 0;border-top:1px solid var(--line);scroll-margin-top:95px}
.check-copy{position:sticky;top:110px}
.check-number{display:block;margin-bottom:2rem;color:#7b7d80;font-size:.72rem}
.check-copy h2{max-width:500px;margin:0 0 1.4rem;font-size:clamp(3rem,4.4vw,5.6rem);font-weight:500;letter-spacing:-.08em;line-height:.92}
.check-copy p{max-width:440px;margin:0;color:#626569;font-size:.95rem;line-height:1.65}
.check-item{display:flex;align-items:flex-start;gap:.8rem;max-width:430px;margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--line);color:var(--ink);font-size:.78rem;line-height:1.45;cursor:pointer}
.check-item input{width:17px;height:17px;flex:0 0 auto;margin-top:.05rem;accent-color:var(--dark)}
.check-visual{overflow:hidden;border:1px solid #d8dadd;background:#f0f1f1;box-shadow:0 28px 50px rgba(17,18,20,.04)}
.visual-label{padding:1.2rem 1.5rem;border-bottom:1px solid #d8dadd;background:#fff;color:#777a7d;font-size:.67rem;font-weight:600;letter-spacing:.08em}
.data-row{display:grid;grid-template-columns:.8fr 1.2fr;gap:1rem;padding:1.25rem 1.5rem;border-bottom:1px solid #d8dadd;background:#fff;font-size:.8rem}
.data-row b{font-weight:600}.data-row span{color:#777a7d}
.visual-note{padding:1.25rem 1.5rem;background:#f8f8f7;color:#55585b;font-size:.75rem;line-height:1.55}
.check-visual pre{margin:1.5rem;padding:1.4rem;overflow:auto;border:1px solid #d8dadd;border-radius:10px;background:#fff;color:#35383b;white-space:pre-wrap;font:.8rem/1.7 ui-monospace,SFMono-Regular,Menlo,monospace}
.check-visual .copy-btn{margin:0 1.5rem 1.5rem;padding:.7rem 1rem;border:0;border-radius:6px;color:#fff;background:var(--dark);font:600 .72rem var(--font);cursor:pointer}
.structure-list{margin:0;padding:0;list-style:none;background:#fff}
.structure-list li{display:grid;grid-template-columns:35px minmax(120px,1fr) minmax(130px,.9fr);gap:1rem;align-items:center;padding:1.1rem 1.5rem;border-bottom:1px solid #e2e3e4}
.structure-list li:last-child{border-bottom:0}.structure-list b{color:#989b9e;font-size:.7rem;font-weight:500}.structure-list span{font-size:.82rem;font-weight:600}.structure-list em{color:#7c7f82;font-size:.72rem;font-style:normal}
.flow{display:flex;align-items:stretch;gap:.5rem;padding:1.5rem;background:#fff}.flow span{display:flex;flex:1;flex-direction:column;justify-content:center;gap:.6rem;min-height:130px;padding:.8rem;border:1px solid #d8dadd;text-align:center;color:#777a7d;font-size:.68rem}.flow b{display:block;color:var(--ink);font-size:.85rem}.flow i{align-self:center;font-style:normal;font-size:1.2rem}
.message{margin:1.5rem;padding:1.5rem;border:1px solid #d8dadd;border-radius:12px 12px 12px 3px;background:#fff;color:#333538;font-size:1rem;line-height:1.6}
.checklist-close{padding-top:7rem;padding-bottom:7rem;border-top:1px solid var(--line)}
.checklist-close h2{max-width:1100px;font-size:clamp(3.2rem,6vw,7rem);font-weight:500;letter-spacing:-.08em;line-height:.93}.checklist-close>p:not(.r-eyebrow){max-width:620px;color:#626569;font-size:.9rem;line-height:1.6}
.checklist-close .r-button{display:inline-flex;margin-top:1.5rem}
@media(max-width:950px){.check-step{grid-template-columns:1fr;gap:2rem}.check-copy{position:static}.check-copy h2{max-width:800px}.check-copy p,.check-item{max-width:700px}}
@media(max-width:720px){.checklist-wrap{padding:0 20px 4rem}.check-step{padding:4rem 0}.check-copy h2{font-size:clamp(3rem,11vw,4.4rem)}.data-row{grid-template-columns:1fr;gap:.4rem;padding:1rem}.structure-list li{grid-template-columns:25px 1fr;gap:.4rem;padding:1rem}.structure-list em{grid-column:2}.flow{flex-direction:column;padding:1rem}.flow span{min-height:90px}.flow i{transform:rotate(90deg)}.checklist-close{padding:4rem 20px}.checklist-close h2{font-size:clamp(3rem,11vw,4.4rem)}}