/* keepdrybag.com — responsive stylesheet
   breakpoints: 1200 / 980 / 768 / 560 / 480 */
:root{
  --ink:#0d1b2a; --body:#33475b; --muted:#6b7f95; --line:#e3e9f0;
  --bg:#ffffff; --soft:#f5f8fb; --brand:#0b6bcb; --brand-dk:#08508f;
  --brand-tint:#eaf3fd; --warn:#b45309; --radius:14px;
  --shadow:0 1px 2px rgba(13,27,42,.06),0 8px 24px rgba(13,27,42,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.72;color:var(--body);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .5em;font-weight:700}
h1{font-size:2.15rem;letter-spacing:-.02em}
h2{font-size:1.5rem;margin-top:2.2em}
h3{font-size:1.15rem;margin-top:1.6em}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin:.3em 0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}

/* ---------- header ---------- */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:64px;flex-wrap:wrap}
.brand{font-weight:800;font-size:1.12rem;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand span{color:var(--brand)}
nav.main{margin-left:auto;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.95rem;padding:8px 0}
nav.main a{color:var(--body);font-weight:500;border-bottom:2px solid transparent;padding:2px 0}
nav.main a:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}
nav.main a.on{color:var(--brand);border-color:var(--brand)}

/* ---------- hero / bands ---------- */
.hero{background:linear-gradient(180deg,#0d1b2a 0%,#12304a 100%);color:#e8f0f8;padding:72px 0 64px}
.hero h1{color:#fff;max-width:900px}
.hero p{color:#c3d3e2;font-size:1.08rem;max-width:760px}
.hero .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:11px 20px;border-radius:999px;font-weight:600}
.btn:hover{background:var(--brand-dk);text-decoration:none;color:#fff}
.btn.ghost{background:transparent;border:1px solid #4a6d8c;color:#dfeaf4}
.band{padding:56px 0}
.band.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;font-weight:700;color:var(--brand);margin:0 0 10px}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .thumb{aspect-ratio:3/2;background:var(--soft)}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .in{padding:18px 20px 22px}
.card h3{margin:.1em 0 .35em;font-size:1.06rem}
.card p{font-size:.93rem;color:var(--muted);margin:0}
.card .meta{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);font-weight:700;margin-bottom:8px}

/* ---------- article ---------- */
main.article{padding:44px 0 72px}
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}
.lede{font-size:1.12rem;color:var(--ink);font-weight:500}
.lede p:first-child{font-size:1.12rem}
.article-content{max-width:820px}
.article-content figure{margin:1.9em 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.article-content figcaption{font-size:.85rem;color:var(--muted);padding:10px 14px;border-top:1px solid var(--line);background:var(--soft)}
.tbl-wrap{overflow-x:auto;margin:1.6em 0;border:1px solid var(--line);border-radius:12px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.95rem}
th,td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--soft);color:var(--ink);font-weight:700;font-size:.9rem;letter-spacing:.01em}
tr:last-child td{border-bottom:0}
.toc{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin:28px 0 8px}
.toc strong{display:block;color:var(--ink);margin-bottom:8px;font-size:.95rem}
.toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:32px;font-size:.92rem}
.faq{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:8px 26px 20px;margin-top:36px}
.faq h2{margin-top:1.1em}
.faq h3{margin-bottom:.3em;border-top:1px solid var(--line);padding-top:1.1em}
.faq h3:first-of-type{border-top:0}
.paa{border-left:4px solid var(--brand);background:#fff;border:1px solid var(--line);border-left-width:4px;border-radius:12px;padding:14px 22px;margin:26px 0}
.paa h2{border:0;font-size:1.15rem;margin-top:.6em}
.paa h3{font-size:1rem;color:var(--ink)}
.note{background:var(--brand-tint);border:1px solid #cfe4fa;border-radius:12px;padding:16px 20px;margin:1.6em 0;font-size:.96rem}
.cta-box{margin:38px 0 0;background:linear-gradient(135deg,#0d1b2a,#164060);color:#dbe8f4;border-radius:var(--radius);padding:30px 32px}
.cta-box h2{color:#fff;margin-top:0;font-size:1.3rem}
.cta-box a{color:#8cc4ff}
.related{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.related ul{columns:2;column-gap:32px;font-size:.95rem}
.specs{font-size:.92rem;color:var(--muted)}

/* ---------- faq page ---------- */
.qa{border-bottom:1px solid var(--line);padding:18px 0}
.qa h3{margin:0 0 .4em}
.qa p{margin:0;font-size:.97rem}

/* ---------- footer ---------- */
footer.site{background:#0d1b2a;color:#9fb3c6;padding:56px 0 30px;font-size:.92rem;margin-top:40px}
footer.site h4{color:#fff;font-size:.86rem;text-transform:uppercase;letter-spacing:.12em;margin:0 0 14px}
footer.site a{color:#bcd0e2}
footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
footer .fgrid ul{list-style:none;padding:0;margin:0}
footer .fgrid li{margin:.35em 0}
footer .legal{border-top:1px solid #1e3247;margin-top:34px;padding-top:18px;display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap;color:#7b90a5;font-size:.85rem}
.sns{display:flex;flex-wrap:wrap;gap:8px}
.sns a{border:1px solid #26405a;border-radius:999px;padding:5px 11px;font-size:.82rem;color:#c6d8e8}
.sns a:hover{border-color:var(--brand);color:#fff;text-decoration:none}

/* ---------- landing page blocks ---------- */
main.page{padding:40px 0 72px}
main.page .wrap{max-width:1080px}
main.page h1{margin-top:.2em}
.lead{font-size:1.12rem;color:var(--ink);font-weight:500}
.hero{background:linear-gradient(135deg,#0d1b2a 0%,#164060 100%);color:#dbe8f4;border-radius:var(--radius);padding:34px 36px;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;margin-bottom:8px}
.hero h1{color:#fff;font-size:2rem;margin-bottom:.5em}
.hero .lead,.hero p{color:#c9daea}
.hero figure{margin:0;border-radius:12px;overflow:hidden;background:#0a1a2b}
.hero figure figcaption{background:#12304a;color:#a8c2d8;border-top:0;font-size:.82rem}
.hero-cta{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}
.cats{padding:6px 0 4px}
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ccard{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;background:#fff;box-shadow:var(--shadow)}
.ccard:hover{border-color:var(--brand);box-shadow:0 2px 4px rgba(13,27,42,.08),0 12px 28px rgba(13,27,42,.1);text-decoration:none}
.ccard strong{display:block;color:var(--ink);font-size:1.02rem}
.ccard span{display:block;color:var(--muted);font-size:.88rem;margin-top:4px}
.linkgrid{list-style:none;padding:0;columns:2;column-gap:34px}
.linkgrid li{break-inside:avoid;margin:.25em 0 .55em;font-size:.96rem}
.linkgrid span{display:block;color:var(--muted);font-size:.85rem}
.count{font-size:.8rem;font-weight:600;color:var(--muted);margin-left:8px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 0 44px;margin:.7em 0}
.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:var(--brand-tint);color:var(--brand-dk);font-weight:700;font-size:.9rem;display:flex;align-items:center;justify-content:center}
.spec-list{list-style:none;padding:0;columns:2;column-gap:34px}
.spec-list li{break-inside:avoid;border-bottom:1px solid var(--line);padding:.5em 0;font-size:.95rem}
.cta-inline{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:30px 0 0;font-size:.98rem}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .wrap{padding:0 20px}
  .grid.four{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:980px){
  .grid,.grid.four{grid-template-columns:repeat(2,1fr)}
  footer .fgrid{grid-template-columns:1fr 1fr}
  h1{font-size:1.95rem}
  .toc ol{columns:1}
}
@media (max-width:768px){
  body{font-size:16.5px}
  .hero{padding:54px 0 48px}
  .band{padding:42px 0}
  h1{font-size:1.7rem}
  h2{font-size:1.34rem}
  nav.main{width:100%;order:3;border-top:1px solid var(--line);gap:4px 12px;font-size:.9rem}
  .brand{font-size:1.04rem}
  .faq{padding:6px 18px 16px}
  .cta-box{padding:24px 20px}
}
@media (max-width:560px){
  .grid,.grid.two,.grid.four{grid-template-columns:1fr}
  footer .fgrid{grid-template-columns:1fr}
  .hero{padding:42px 0 38px}
  h1{font-size:1.5rem}
  .related ul{columns:1}
  .cta-box{padding:20px 16px}
}
@media (max-width:480px){
  .wrap{padding:0 14px}
  body{font-size:16px}
  h1{font-size:1.38rem}
  h2{font-size:1.22rem}
  th,td{padding:9px 10px}
  .sns a{padding:4px 9px;font-size:.78rem}
}
@media (max-width:980px){
  .hero{grid-template-columns:1fr;padding:26px 22px}
  .cgrid{grid-template-columns:repeat(2,1fr)}
  .linkgrid,.spec-list{columns:1}
}
@media (max-width:560px){
  .cgrid{grid-template-columns:1fr}
  .hero h1{font-size:1.55rem}
  main.page{padding:26px 0 50px}
}
.hero-txt{min-width:0}
.hero-img{min-width:0}