:root{--ink:#24211c;--muted:#5f584c;--bg:#fffdf8;--card:#fff;--line:#e8e0cf;--yolk:#f2a20f;--yolk-d:#a35f00;--link:#8a4b00;--warn:#fff3df;--max:44rem}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-underline-offset:.15em}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--yolk);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.75rem 1rem;z-index:9}
.skip:focus{left:.5rem;top:.5rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
header.site{border-bottom:1px solid var(--line);background:#fff}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 1rem;padding-top:.25rem;padding-bottom:.25rem}
.brand{display:inline-flex;align-items:center;gap:.5rem;min-height:44px;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand svg{width:28px;height:28px}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 .25rem}
nav.main a{display:inline-flex;align-items:center;min-height:44px;padding:0 .5rem;text-decoration:none;color:var(--ink);font-size:1rem}
nav.main a[aria-current]{text-decoration:underline;text-decoration-color:var(--yolk);text-decoration-thickness:3px}
.crumbs ol{list-style:none;margin:.5rem 0 0;padding:0;display:flex;flex-wrap:wrap;font-size:1rem;color:var(--muted)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"›";padding:0 .4rem}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted)}
h1{font-size:2rem;line-height:1.2;margin:.5rem 0 .5rem}
h2{font-size:1.45rem;line-height:1.25;margin:2rem 0 .5rem}
h3{font-size:1.15rem;margin:1.5rem 0 .4rem}
.byline{color:var(--muted);font-size:1rem;margin:0 0 1rem}
.lead{font-size:1.15rem}
.hero-img{margin:1rem 0;border-radius:12px;overflow:hidden;background:#f3eee2}
.hero-img img{width:100%;aspect-ratio:3/2;object-fit:cover}
ol.steps{padding-left:1.4rem}
ol.steps li{margin:.4rem 0}
.table-wrap{overflow-x:auto;margin:1rem 0}
table{border-collapse:collapse;width:100%;font-size:1rem;background:var(--card)}
th,td{border:1px solid var(--line);padding:.55rem .6rem;text-align:left;vertical-align:top}
thead th{background:#faf4e6}
.warn{background:var(--warn);border-left:5px solid var(--yolk);padding:.75rem 1rem;border-radius:8px;margin:1rem 0}
.warn p{margin:.4rem 0}
ul.linklist,ul.related{list-style:none;padding:0;margin:.25rem 0 1rem}
ul.linklist li a,ul.related li a{display:flex;align-items:center;min-height:44px;padding:.25rem 0;border-bottom:1px solid var(--line)}
.faq h3{margin-top:1.25rem}
.related-box{margin-top:2.5rem}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;min-width:48px;padding:.5rem 1.1rem;border:2px solid var(--ink);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-weight:600;text-decoration:none;cursor:pointer;touch-action:manipulation}
.btn.primary{background:var(--ink);color:#fff}
.btn:disabled{opacity:.5;cursor:default}
/* timer */
.timer{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:1rem;margin:1rem 0 1.5rem;text-align:center}
.timer h2{margin-top:0}
.timer .tip{margin:.25rem 0 .75rem;color:var(--muted);font-size:1rem}
.presets{display:grid;grid-template-columns:repeat(5,1fr);gap:.4rem}
.preset{min-height:56px;padding:.35rem .2rem;border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:1rem;font-weight:600;line-height:1.15;cursor:pointer;touch-action:manipulation}
.preset span{display:block;font-weight:400;font-size:.9rem;color:var(--muted)}
.preset[aria-pressed="true"]{border-color:var(--yolk);background:#fff4dc}
.clock{font-size:4rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1;margin:1rem 0 .5rem;letter-spacing:.02em}
.adjust,.controls{display:flex;justify-content:center;gap:.6rem;margin:.5rem 0}
.timer[data-state="running"] .clock{color:var(--yolk-d)}
.timer[data-state="done"]{border-color:var(--yolk);box-shadow:0 0 0 4px #ffe1a3}
.alert{margin:.75rem 0 0;padding:.75rem;border-radius:12px;background:#ffe1a3;font-weight:700;font-size:1.15rem}
.alert[hidden]{display:none}
.alert .btn{margin-top:.5rem}
.timer[data-state="done"] .alert{animation:pulse 1s ease-in-out infinite alternate}
@keyframes pulse{from{background:#ffe1a3}to{background:#ffc75a}}
@media (prefers-reduced-motion:reduce){.timer[data-state="done"] .alert{animation:none}}
/* chart */
ol.chart{list-style:none;padding:0;margin:1rem 0;display:grid;gap:.75rem}
.chart-item{display:grid;grid-template-columns:120px 1fr;gap:.75rem;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.6rem}
.chart-item img{width:120px;height:100px;object-fit:cover;border-radius:8px}
.chart-item h3{margin:0 0 .15rem;font-size:1.1rem}
.chart-item p{margin:0;font-size:1rem}
.chart-item a{display:inline-flex;align-items:center;min-height:44px}
footer.site{margin-top:3rem;border-top:1px solid var(--line);background:#fff;padding:1rem 0 2rem;font-size:1rem;color:var(--muted)}
footer.site ul{list-style:none;margin:0 0 .5rem;padding:0;display:flex;flex-wrap:wrap;gap:0 1rem}
footer.site a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink)}
.contact-email .btn{word-break:break-all}
.role{color:var(--muted);margin-top:0}
@media (min-width:40rem){h1{font-size:2.4rem}.chart-item{grid-template-columns:180px 1fr}.chart-item img{width:180px;height:150px}}
@media (max-width:360px){.presets{grid-template-columns:repeat(3,1fr)}.clock{font-size:3.4rem}}
/* v1.1 (additive only): own photos with captions, chart photo slot */
figure.photo{margin:1rem 0 1.25rem}
figure.photo img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:12px;background:#f3eee2}
figure.photo figcaption{margin-top:.4rem;font-size:1rem;color:var(--muted)}
.chart-item picture{display:block}
.chart-item.photo-slot{border-color:var(--yolk)}