:root{
  --pink:#e65894; --pink-d:#c73e78; --pink-soft:#ffe6f1; --pink-line:#f4c4da;
  --bg:#fff7fb; --ink:#3b2a32; --ink-soft:#7a6a72; --note:#fbf3f8;
  --ng:#d64550; --ng-bg:#fdecee;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Hiragino Kaku Gothic ProN","ヒラギノ角ゴ ProN W3","Yu Gothic","游ゴシック",Meiryo,sans-serif;
  line-height:1.85;-webkit-text-size-adjust:100%}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:920px;margin:0 auto;padding:0 16px}

.site-head{background:#fff;border-bottom:3px solid var(--pink);position:sticky;top:0;z-index:100}
.site-head .wrap{display:flex;align-items:center;gap:14px;padding:12px 16px}
.home-btn,.top-btn{flex:none;width:42px;height:42px;border-radius:50%;background:var(--pink-soft);color:var(--pink-d);display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s}
.home-btn:hover,.top-btn:hover{background:var(--pink);color:#fff}
.home-btn svg,.top-btn svg{width:23px;height:23px}
.site-head img{height:38px;width:auto}
.site-head .ttl{font-size:20px;font-weight:700;letter-spacing:.04em}
.site-head .ttl small{display:block;font-size:12px;font-weight:400;color:var(--ink-soft);letter-spacing:.08em}

.crumb{font-size:13px;color:var(--ink-soft);padding:16px 0 2px}
.crumb a{color:var(--pink-d);border-bottom:1px dotted var(--pink-line)}

.sec-head{display:flex;align-items:center;gap:10px;margin:20px 0 18px;padding:12px 16px;
  background:var(--pink-soft);border-radius:12px;font-size:19px;font-weight:700;color:var(--pink-d)}
.sec-head::before{content:"";width:8px;height:24px;border-radius:4px;background:var(--pink);flex:none}
.sec-head.ng{background:var(--ng-bg);color:var(--ng)}
.sec-head.ng::before{background:var(--ng)}

.lead{background:#fff;border:1px solid var(--pink-line);border-radius:14px;padding:18px 20px;margin:0 0 20px;font-size:16px}
.lead .q{color:var(--pink-d);font-weight:700}

.steps{list-style:none;counter-reset:st;margin:0 0 22px;padding:0;
  background:#fff;border:1px solid var(--pink-line);border-radius:14px;overflow:hidden}
.steps li{counter-increment:st;position:relative;padding:14px 18px 14px 58px;border-top:1px solid var(--pink-soft);font-weight:700}
.steps li:first-child{border-top:0}
.steps li::before{content:counter(st);position:absolute;left:14px;top:12px;width:30px;height:30px;border-radius:50%;
  background:var(--pink);color:#fff;font-size:15px;display:flex;align-items:center;justify-content:center}
.steps em{color:var(--ng);font-style:normal}

.item{display:grid;grid-template-columns:360px 1fr;gap:0;align-items:stretch;margin:0 0 18px;
  background:#fff;border:1px solid var(--pink-line);border-radius:14px;overflow:hidden}
.item .ph{background:#f3e7ee}
.item .ph img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2;cursor:zoom-in}
.item .tx{padding:16px 20px}
.item .tx h3{margin:0 0 10px;font-size:17px;color:var(--pink-d);line-height:1.5}
.item.ng .tx h3{color:var(--ng)}
.item .tx p{margin:0 0 12px}
.item .tx p:last-child{margin-bottom:0}
.item .tx .warn{color:var(--ng);font-weight:700}

.pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 20px}
.pair figure{margin:0;background:#fff;border:1px solid var(--pink-line);border-radius:14px;overflow:hidden}
.pair figure img{width:100%;aspect-ratio:4/3;object-fit:cover;cursor:zoom-in}
.pair figcaption{padding:10px 14px;font-size:14px;color:var(--ink-soft)}

.deftable{width:100%;border-collapse:separate;border-spacing:0;margin:0 0 22px;background:#fff;
  border:1px solid var(--pink-line);border-radius:14px;overflow:hidden;font-size:15px}
.deftable th{background:var(--pink-soft);color:var(--pink-d);width:110px;text-align:center;vertical-align:middle;padding:14px 8px;font-weight:700;border-bottom:1px solid #fff}
.deftable td{padding:14px 16px;border-bottom:1px solid var(--pink-soft);vertical-align:top}
.deftable tr:last-child th,.deftable tr:last-child td{border-bottom:0}

.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:6px 0 22px}
.gal a img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;border:1px solid var(--pink-line);cursor:zoom-in}

.quizbox,.ansbox{background:#fff;border:1px solid var(--pink-line);border-radius:14px;padding:18px 20px;margin:0 0 20px}
.quizbox ol,.ansbox ol{margin:8px 0 0;padding-left:1.4em}
.quizbox li{margin:0 0 10px}
.ansbox li{margin:0 0 12px}
.ansbox .mk{display:inline-block;min-width:1.6em;font-weight:700}
.ansbox .mk.o{color:#2f9e44}.ansbox .mk.x{color:var(--ng)}
.ansbox .note{color:var(--ink-soft);font-size:15px}
.hint{color:var(--ink-soft);font-size:14px;margin:6px 0 0}

.extlink{margin:12px 0 0}
.extlink a{display:inline-block;margin:0 12px 8px 0;padding:8px 16px;border:1px solid var(--pink);border-radius:999px;color:var(--pink-d);font-weight:700;font-size:14px}
.extlink a:hover{background:var(--pink-soft)}

.foot{margin:30px 0 0;border-top:1px solid var(--pink-line);background:#fff}
.foot .wrap{padding:20px 16px;text-align:center}
.back{display:inline-flex;align-items:center;gap:9px;padding:11px 28px;border-radius:999px;background:var(--pink);color:#fff;font-weight:700;font-size:15px}
.back svg{width:18px;height:18px}
.back:hover{background:var(--pink-d)}
.copy{margin-top:14px;font-size:12px;color:var(--ink-soft)}

.lb{position:fixed;inset:0;background:rgba(20,6,14,.9);display:none;align-items:center;justify-content:center;z-index:9999;padding:20px}
.lb.on{display:flex}
.lb img{max-width:96vw;max-height:92vh;width:auto;height:auto;border-radius:6px;cursor:zoom-out;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}
.lb .x{position:absolute;top:14px;right:20px;color:#fff;font-size:34px;line-height:1;cursor:pointer;font-weight:300}

@media(max-width:820px){
  .site-head .ttl{font-size:18px}.sec-head{font-size:17px}
}
@media(max-width:720px){
  .item{grid-template-columns:1fr}
  .item .ph img{aspect-ratio:16/9}
  .deftable th{width:88px;font-size:14px}
}
@media(max-width:600px){
  .pair{grid-template-columns:1fr}
  .gal{grid-template-columns:repeat(2,1fr)}
}

.top-link{margin-left:auto;display:flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;background:var(--pink-soft);color:var(--pink-d);font-size:13px;font-weight:700;white-space:nowrap}
.top-link:hover{background:var(--pink);color:#fff}
.top-link svg{width:18px;height:18px}

@media(max-width:520px){#mvwarn div:nth-child(1){font-size:22px!important}#mvwarn div:nth-child(2){font-size:32px!important}#mvwarn div:nth-child(3){font-size:15px!important}}


.play-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;cursor:pointer;z-index:2;padding:0 12px}
.play-overlay.is-hidden{display:none}
.vplay{width:140px;height:140px;border-radius:50%;border:4px solid rgba(255,255,255,.92);background:rgba(0,0,0,.5);color:#fff;font-size:62px;line-height:1;padding:0 0 0 10px;cursor:pointer;transition:.15s}
.vplay:hover{background:rgba(198,62,120,.85);transform:scale(1.06)}
.play-hint{text-align:center;color:#ff79b0;font-weight:700;font-size:34px;line-height:1.55;text-shadow:0 2px 10px rgba(0,0,0,.9),0 0 2px rgba(0,0,0,.9)}
.play-hint span{display:block;color:#ff79b0;font-size:30px;margin-top:8px}
@media(max-width:600px){
  .vplay{width:96px;height:96px;font-size:42px}
  .play-hint{font-size:22px}
  .play-hint span{font-size:19px}
  .play-overlay{gap:14px}
}

.foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:8px}
.fbtn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;background:var(--pink);color:#fff;font-weight:700;font-size:14px;white-space:nowrap;transition:background .15s}
.fbtn:hover{background:var(--pink-d)}
.fbtn svg{width:18px;height:18px}