:root{--color-primary:#b3222d;--color-primary-dark:#8a1a23;--color-accent:#f5f0e8;--color-text:#1a1a1a;--color-text-muted:#666;--color-bg:#fff;--color-bg-soft:#faf6f4;--color-border:#e5e5e5;--max-width:1000px;--radius:8px;--shadow:0 2px 8px rgba(0,0,0,.08)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.65}
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 1rem}
a{color:var(--color-primary-dark)}
h1{font-size:1.8rem;line-height:1.25;margin:1.2rem 0 .8rem}
h2{font-size:1.3rem;margin:2rem 0 .7rem}
h3{font-size:1.05rem;margin:.2rem 0 .4rem}
.site-header{background:var(--color-bg);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:1000}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--color-text)}
.logo span{color:var(--color-primary)}
.main-nav a{margin-left:1.2rem;text-decoration:none;font-weight:600;color:var(--color-text)}
.main-nav a:hover{color:var(--color-primary)}
.nav-toggle{display:none;font-size:1.4rem;background:none;border:none;cursor:pointer}
.breadcrumb{font-size:.85rem;color:var(--color-text-muted);margin:.8rem 0}
.breadcrumb a{color:var(--color-text-muted)}
.intro{font-size:1.05rem;margin-bottom:1rem}
.hero{text-align:center;padding:2.2rem 0 1rem}
.hero-cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin:1.2rem 0}
.btn{display:inline-block;background:var(--color-primary);color:#fff;font-weight:700;padding:.7rem 1.4rem;border-radius:var(--radius);text-decoration:none}
.btn:hover{background:var(--color-primary-dark)}
.btn-secondary{background:var(--color-bg-soft);color:var(--color-text);border:1px solid var(--color-border)}
.calc-card{background:var(--color-bg-soft);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.3rem;margin:1rem 0 1.5rem;max-width:560px}
.calc-card label{display:block;font-weight:600;font-size:.92rem;margin:.9rem 0 .25rem}
.calc-card label:first-child{margin-top:0}
.lbl-hint{font-weight:400;color:var(--color-text-muted);font-size:.82rem}
.calc-card input,.calc-card select{width:100%;padding:.6rem .7rem;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff}
.calc-card input:focus,.calc-card select:focus{outline:2px solid var(--color-primary);border-color:var(--color-primary)}
.hint{font-size:.82rem;color:var(--color-text-muted);margin-top:.5rem}
.calc-result{margin-top:1.2rem;background:#fff;border:2px solid var(--color-primary);border-radius:var(--radius);padding:1rem}
.result-main{font-size:1.15rem}
.result-main strong{color:var(--color-primary);font-size:1.35rem}
.result-detail{font-size:.9rem;color:var(--color-text-muted);margin-top:.5rem}
ul.result-detail{margin-left:1.2rem}
.result-warn{font-size:.9rem;background:#fff6e0;border-radius:var(--radius);padding:.6rem .8rem;margin-top:.6rem}
.result-ok{font-size:.9rem;color:#1e7a3c;margin-top:.6rem}
.formula{background:var(--color-bg-soft);border-left:4px solid var(--color-accent);padding:.7rem 1rem;font-weight:600;margin:.8rem 0;border-radius:0 var(--radius) var(--radius) 0}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.9rem}
.tool-card{display:flex;flex-direction:column;gap:.3rem;padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius);text-decoration:none;color:var(--color-text);background:var(--color-bg-soft)}
.tool-card:hover{box-shadow:var(--shadow);border-color:var(--color-primary)}
.tool-card span{font-size:.85rem;color:var(--color-text-muted)}
.faq details{border:1px solid var(--color-border);border-radius:var(--radius);padding:.7rem 1rem;margin-bottom:.6rem;background:var(--color-bg-soft)}
.faq summary{font-weight:600;cursor:pointer}
.faq p{margin-top:.5rem}
.teaser-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.9rem}
.teaser{border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem;margin-bottom:.9rem}
.cross-link{margin:1.5rem 0;padding:.8rem 1rem;background:var(--color-bg-soft);border-radius:var(--radius)}
.cross-link ul{margin:.4rem 0 0 1.2rem}
.data-note{font-size:.82rem;color:var(--color-text-muted);margin:1.5rem 0}
.about{background:var(--color-bg-soft);border-radius:var(--radius);padding:1.2rem;margin:2rem 0}
article ul,article ol{margin:.6rem 0 1rem 1.4rem}
article p{margin-bottom:.8rem}
table{border-collapse:collapse;width:100%;margin:.8rem 0;font-size:.95rem}
th,td{border:1px solid var(--color-border);padding:.5rem .7rem;text-align:left}
th{background:var(--color-bg-soft)}
.site-footer{border-top:1px solid var(--color-border);margin-top:3rem;padding:1.5rem 0;font-size:.85rem;color:var(--color-text-muted)}
.site-footer p{margin-bottom:.4rem}
main{min-height:60vh}
@media(max-width:768px){
.main-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--color-border);padding:.7rem 1rem;z-index:1000;justify-content:space-around}
.main-nav.open{display:flex}
.main-nav a{margin:0}
.nav-toggle{display:block}
h1{font-size:1.45rem}
}
.day-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:.4rem}
.day-input label{font-size:.78rem;text-align:center;margin:.2rem 0}
.day-input input{padding:.4rem .3rem;text-align:center}
.fr-note{font-size:.92rem;margin:.6rem 0}
.answer-box{background:var(--color-bg-soft);border-left:4px solid var(--color-primary);padding:.8rem 1rem;border-radius:0 var(--radius) var(--radius) 0;margin:.6rem 0 1rem;font-size:1.02rem}
.yes{color:#1e7a3c;font-weight:700}.no{color:#b3222d;font-weight:700}
.btn-ics{display:inline-block;background:#1e7a3c;color:#fff;font-weight:700;padding:.55rem 1.1rem;border-radius:var(--radius);text-decoration:none;margin:.4rem 0}
.affiliate-box{border:1px dashed var(--color-primary);border-radius:var(--radius);padding:1rem;margin:1.6rem 0;background:var(--color-bg-soft)}
.affiliate-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted)}
@media(max-width:768px){.day-grid{grid-template-columns:repeat(4,1fr)}}