:root{--sin-blue:#104b9b;--sin-ink:#12365e;--sin-soft:#eef5ff;--sin-line:#d5e3f3}
.sin-main{background:#f6f9fe;color:var(--sin-ink);padding-bottom:40px;font-family:Arial,Helvetica,sans-serif;line-height:1.65}
.sin-wrap{width:min(100% - 32px,980px);margin:auto}
.sin-hero{background:var(--sin-blue);color:white;padding:30px 0 38px}
.sin-crumb{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:22px;font-size:13px;font-weight:700}
.sin-crumb a{color:inherit;text-decoration:none;padding:5px 0}
.sin-kicker{font-size:12px;letter-spacing:.12em;font-weight:800;margin:0 0 12px}
.sin-hero h1{color:white;font-size:clamp(30px,6vw,48px);line-height:1.12;margin:0 0 16px;max-width:760px}
.sin-hero p:not(.sin-kicker){max-width:700px;font-size:17px;margin:12px 0}
.sin-subtitle{font-weight:700;font-size:21px!important}
.sin-wa{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#16863d;color:white!important;border-radius:13px;padding:15px 20px;text-decoration:none;font-weight:800;font-size:15px;line-height:1.3;min-height:54px;border:2px solid transparent;text-align:center}
.sin-wa svg{width:25px;height:25px;flex:none;fill:currentColor}
.sin-wa:hover{background:#0d6c2e}.sin-wa:focus-visible,.sin-card:focus-visible,.sin-tab:focus-visible{outline:3px solid #f7c943;outline-offset:4px}
.sin-hero .sin-wa{margin-top:8px;background:#fff;color:#116334!important}
.sin-number{display:block;font-size:14px;margin-top:9px;opacity:.94}
.sin-body{padding-top:26px}
.sin-intro{font-size:18px;max-width:780px;margin:0 0 22px}
.sin-body h2{font-size:25px;line-height:1.25;color:var(--sin-blue);margin:0 0 14px}
.sin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:22px 0 28px}
.sin-card{display:flex;align-items:center;gap:15px;border:1px solid var(--sin-line);border-radius:17px;background:white;text-decoration:none;color:var(--sin-ink);padding:22px;box-shadow:0 4px 14px #13365e06;transition:transform .15s,border-color .15s}
.sin-card:hover{transform:translateY(-2px);border-color:var(--sin-blue)}
.sin-icon{display:grid;place-items:center;width:54px;height:54px;flex:none;border-radius:15px;background:var(--sin-soft);color:var(--sin-blue)}
.sin-icon svg{width:31px;height:31px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sin-card strong{display:block;font-size:21px;line-height:1.2}.sin-card small{display:block;font-size:14px;margin-top:6px;line-height:1.4}.sin-arrow{margin-left:auto;font-size:25px;color:var(--sin-blue)}
.sin-step{background:white;border:1px solid var(--sin-line);border-radius:18px;padding:24px;margin:18px 0}
.sin-step h2{display:flex;align-items:flex-start;gap:12px;font-size:23px}
.sin-step-num{background:var(--sin-blue);border-radius:50%;color:white;display:inline-grid;place-items:center;width:32px;height:32px;flex:none;font-size:16px}
.sin-step p{margin:12px 0}.sin-step ul{margin:12px 0;padding-left:23px}.sin-step li{margin:8px 0}
.sin-callout{background:var(--sin-soft);border-left:5px solid var(--sin-blue);padding:18px 20px;border-radius:0 12px 12px 0;margin:18px 0}
.sin-callout p{margin:5px 0}.sin-callout strong{color:var(--sin-blue)}
.sin-essential{background:#fff7e9;border-left-color:#bd7411}.sin-essential strong{color:#80500c}
.sin-photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}
.sin-photo{margin:18px 0;border:1px solid var(--sin-line);border-radius:14px;overflow:hidden;background:white}
.sin-photo-grid .sin-photo{margin:0}.sin-photo button{padding:0;border:0;display:block;width:100%;background:white;cursor:zoom-in}
.sin-photo img{width:100%;height:auto;display:block;aspect-ratio:3/2;object-fit:cover}.sin-photo.croquis img{aspect-ratio:auto;object-fit:contain}
.sin-photo figcaption{padding:12px 14px;font-size:14px;line-height:1.5;color:#385776}.sin-photo figcaption strong{display:block;color:var(--sin-blue)}
.sin-audio{background:white;border:2px solid var(--sin-blue);border-radius:17px;padding:20px;margin:22px 0}
.sin-audio h2{font-size:21px;margin-bottom:10px}.sin-audio p{margin:8px 0 13px}.sin-audio audio{width:100%;display:block;min-height:44px}
.sin-tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
.sin-tab{padding:18px 14px;background:white;border:2px solid var(--sin-blue);border-radius:13px;color:var(--sin-blue);font:700 17px/1.35 Arial,sans-serif;cursor:pointer}
.sin-tab[aria-selected=true]{background:var(--sin-blue);color:white}.sin-panel[hidden]{display:none}
.sin-help{display:inline-block;color:var(--sin-blue);font-weight:700;margin:0 0 15px}
.sin-end{padding:24px;background:#e9f2ff;border-radius:18px;margin:25px 0}.sin-end h2{font-size:25px}
.sin-tools{display:flex;gap:14px;flex-wrap:wrap;align-items:center;border-top:1px solid var(--sin-line);padding-top:20px;margin-top:25px}
.sin-tools a,.sin-share{color:var(--sin-blue);font:700 14px Arial,sans-serif;text-decoration:none;background:white;border:1px solid var(--sin-line);border-radius:10px;padding:12px 15px;cursor:pointer}
.sin-share-status{font-size:14px}.sin-lightbox{width:min(96vw,1000px);max-height:95vh;padding:14px;border:0;border-radius:16px;background:white;color:var(--sin-ink)}
.sin-lightbox::backdrop{background:#08284bd9}.sin-lightbox img{display:block;max-width:100%;max-height:76vh;object-fit:contain;margin:auto}.sin-lightbox button{display:block;margin:0 0 12px auto;background:var(--sin-blue);color:white;border:0;border-radius:8px;padding:10px 16px;font-weight:700;cursor:pointer}.sin-lightbox p{font-size:14px;margin:12px 0 0}
.sin-home-link{display:flex!important;align-items:center!important;justify-content:center!important;gap:13px!important;background:#fff!important;color:#104b9b!important;border-radius:14px!important;padding:22px 18px!important;font-weight:900!important;min-height:90px!important;font-size:19px!important;line-height:1.2!important;text-align:center!important}
.sin-home-link svg{width:34px;height:34px;flex:none;fill:none;stroke:currentColor;stroke-width:2}
@media(min-width:760px){.sin-body{padding-top:35px}.sin-step{padding:30px}.sin-hero{padding:36px 0 44px}.sin-photo:not(.croquis){max-width:740px}}
@media(max-width:520px){.sin-grid{gap:10px}.sin-card{padding:17px 12px;display:block;position:relative}.sin-icon{width:42px;height:42px;margin-bottom:13px}.sin-icon svg{width:27px;height:27px}.sin-card strong{font-size:19px}.sin-card small{font-size:13px}.sin-arrow{position:absolute;right:14px;top:19px}.sin-step{padding:20px 17px}.sin-step h2{font-size:21px}.sin-photo-grid{grid-template-columns:1fr}.sin-tabs{gap:8px}.sin-tab{font-size:15px;padding:15px 10px}.sin-wa{width:100%;padding:15px 12px}.sin-audio{padding:17px}.sin-body p,.sin-body li{font-size:16px}}
@media(prefers-reduced-motion:reduce){.sin-card{transition:none}}