/* 宅トレ部 — bold immersive fitness (dark, full-bleed, energetic). Design dept. 2026-06-09 */
:root{
  --bg:#0d0f0e; --bg2:#141917; --card:#161c19; --line:#283029;
  --lime:#9be15d; --limeDeep:#6fc12a; --accent:#ff7a1a;
  --ink:#f1f5f1; --ink-soft:#cdd6cf; --muted:#8a958c;
  --maxw:1180px; --readw:760px;
  --display:"Zen Kaku Gothic New",sans-serif;
  --sans:"Zen Kaku Gothic New",-apple-system,"Hiragino Sans",sans-serif;
  --anton:"Anton",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.9;font-size:16.5px}
a{color:var(--lime)}
img{max-width:100%}

.prbar{background:#070908;color:var(--muted);font-size:.72rem;letter-spacing:.04em;text-align:center;padding:8px 12px}

.site-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
  background:rgba(13,15,14,.55);backdrop-filter:blur(10px);padding:15px 28px;
  border-bottom:1px solid rgba(155,225,93,.18);position:sticky;top:0;z-index:30;transition:background .3s}
.site-header.scrolled{background:rgba(7,9,8,.94)}
.brand{font-family:var(--display);font-weight:900;font-size:1.4rem;letter-spacing:.02em;color:var(--lime);text-decoration:none}
.site-header nav a{margin-left:20px;font-size:.78rem;letter-spacing:.1em;color:var(--ink-soft);text-decoration:none;font-weight:700}
.site-header nav a:hover{color:var(--lime)}

main{max-width:none;margin:0;padding:0}

.hero{position:relative;min-height:90vh;display:flex;flex-direction:column;justify-content:center;
  padding:0 max((100vw - var(--maxw))/2, 28px);overflow:hidden;color:#fff;
  background:linear-gradient(180deg,rgba(6,8,7,.45),rgba(6,8,7,.78)),url(/assets/img/gym.jpg) center/cover fixed}
.hero>*{position:relative;z-index:1}
.hero:before{content:"TRAIN AT HOME";position:absolute;left:max((100vw - var(--maxw))/2,28px);top:18vh;
  font-family:var(--anton);letter-spacing:.3em;font-size:.95rem;color:var(--lime);opacity:.9;z-index:1}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(2.6rem,8vw,5.2rem);line-height:1.02;margin:0 0 18px;letter-spacing:.01em;text-shadow:0 2px 30px rgba(0,0,0,.5)}
.hero p{max-width:46ch;color:#e7ede7;font-size:1.08rem;margin:0}

.cat-block{padding:8vh max((100vw - var(--maxw))/2, 28px)}
.cat-block:nth-of-type(even){background:var(--bg2)}
.cat-block h1,.cat-block h2{font-family:var(--display);font-weight:900;font-size:clamp(1.8rem,3.4vw,2.6rem);margin:0;color:var(--ink);display:flex;align-items:center;gap:14px}
.cat-block h1:before,.cat-block h2:before{content:"";width:10px;height:34px;border-radius:3px;background:var(--lime);display:inline-block}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:26px;margin-top:32px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:10px;
  overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(0,0,0,.5);border-color:var(--lime)}
.card-thumb{aspect-ratio:3/2;overflow:hidden;background:#000;display:block}
.card-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease}
.card:hover .card-thumb img{transform:scale(1.08)}
.card-body{padding:17px 19px 22px;display:flex;flex-direction:column;gap:8px}
.card-cat{font-family:var(--display);font-weight:900;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--lime)}
.card-title{font-family:var(--display);font-weight:700;font-size:1.18rem;line-height:1.38}
.card-desc{font-size:.85rem;color:var(--muted);line-height:1.75}

.post{max-width:none;padding:0 0 40px;background:var(--bg);border:0}
.post-hero{width:100%;height:58vh;object-fit:cover;border-radius:0;margin:0 0 42px;display:block}
.post>*:not(.post-hero){max-width:var(--readw);margin-left:auto;margin-right:auto;padding-inline:28px}
.post .cat{font-family:var(--display);font-weight:900;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--lime)}
.post h1{font-family:var(--display);font-weight:900;font-size:clamp(2rem,4.6vw,3rem);line-height:1.14;margin:.1em auto .35em}
.post h2{font-family:var(--display);font-weight:900;font-size:1.6rem;margin-top:1.9em;padding-left:14px;border-left:5px solid var(--lime)}
.post h3{font-size:1.2rem;margin-top:1.5em;color:var(--lime)}
.post .meta{font-size:.8rem;color:var(--muted)}
.post .reviewed{display:inline-block;font-size:.78rem;color:#0d0f0e;background:var(--lime);border-radius:6px;padding:3px 10px;margin:.2em 0;font-weight:700}
.post p,.post li{color:var(--ink-soft)}
.adnote{font-size:.78rem;color:var(--muted);background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:11px 15px;margin:16px auto}
.post table{width:100%;border-collapse:collapse;margin:22px auto;font-size:.9rem;border:1px solid var(--line)}
.post th,.post td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.post th{background:var(--bg2);color:var(--lime)}
.post blockquote{border-left:4px solid var(--lime);background:var(--bg2);margin:18px auto;padding:14px 20px;color:var(--ink-soft);border-radius:0 8px 8px 0}
.post a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.cta{display:inline-block;background:var(--accent);color:#0d0f0e !important;font-family:var(--display);font-weight:900;text-decoration:none;
  padding:14px 26px;border-radius:8px;margin:10px 0;letter-spacing:.02em;box-shadow:0 10px 26px rgba(255,122,26,.3)}
.cta:hover{filter:brightness(1.06)}
[data-aff="pending"]{color:var(--muted);text-decoration:none;border-bottom:1px dashed var(--muted)}

.site-footer{background:#070908;color:var(--muted);font-size:.82rem;text-align:center;padding:46px 24px;border-top:1px solid var(--line)}
.site-footer a{color:var(--lime)}
.copy{font-size:.74rem;margin-top:10px;opacity:.7}

@media(max-width:560px){
  body{font-size:16px}
  .hero{min-height:84vh;background-attachment:scroll}
  .hero:before{left:24px}
  .post-hero{height:40vh;margin-bottom:30px}
}

/* ---- motion ---- */
@media (prefers-reduced-motion: no-preference){
  .hero:before{animation:rise .9s ease .1s both}
  .hero h1{animation:rise 1s cubic-bezier(.2,.7,.2,1) both}
  .hero p{animation:rise 1s cubic-bezier(.2,.7,.2,1) .14s both}
  @keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
  .reveal{opacity:0;transform:translateY(32px);transition:opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}
}