:root{
  --bg:#FBF8F6;--ink:#4B3B35;--rose:#D4677F;--pink:#F7DCE3;--line:#E6D7D3;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg) radial-gradient(#EADFDB 1px,transparent 1.4px) 0 0/26px 26px;color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.8}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
a:focus-visible,button:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

main{width:min(100%,540px);margin:0 auto;background:var(--bg);box-shadow:0 0 40px rgba(75,59,53,.08);padding-bottom:84px}
.part{position:relative}
.part > img:first-child{width:100%}

.hot{position:absolute;left:var(--x);top:var(--y);width:var(--w);height:var(--h);border-radius:999px;-webkit-tap-highlight-color:transparent}
.hot:hover{background:rgba(255,255,255,.12)}
button.hot{border:0;padding:0;background:transparent;cursor:zoom-in;border-radius:18px}
.example{width:min(92vw,380px);padding:18px}
.example .cap{font-size:15px;margin:0 0 10px}
.example img{width:auto;max-width:100%;max-height:calc(100svh - 170px);border-radius:22px;margin:0 auto 14px;box-shadow:0 4px 16px rgba(75,59,53,.15)}
.pulse::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(212,103,127,.45);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(212,103,127,.45)}70%,100%{box-shadow:0 0 0 14px rgba(212,103,127,0)}}


.btn{display:flex;align-items:center;justify-content:center;gap:.5em;min-height:52px;padding:0 24px;border-radius:999px;background:var(--rose);color:#fff;text-decoration:none;font-weight:400;letter-spacing:.06em;box-shadow:0 6px 18px rgba(212,103,127,.28)}
.btn:hover{filter:brightness(1.05)}

.sticky{position:fixed;left:0;right:0;bottom:0;z-index:20;padding:10px 16px max(12px,env(safe-area-inset-bottom));background:linear-gradient(rgba(251,248,246,0),rgba(251,248,246,.96) 40%);transform:translateY(110%);transition:transform .3s ease;pointer-events:none}
.sticky .btn{width:min(100%,490px);margin:0 auto;pointer-events:auto}
.sticky.show{transform:none}

footer{padding:40px 16px 24px;text-align:center}
.brand2{font-family:var(--serif);font-size:22px;letter-spacing:.18em;margin:0 0 12px}
.sns{display:flex;justify-content:center;gap:16px;list-style:none;margin:0 0 16px;padding:0}
.sns a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff}
.sns svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
footer small{font-size:12px;opacity:.75}

dialog{border:0;border-radius:14px;padding:28px;max-width:calc(100vw - 40px);color:var(--ink);background:var(--bg);box-shadow:0 10px 50px rgba(0,0,0,.2);text-align:center}
dialog::backdrop{background:rgba(75,59,53,.4)}
dialog p{margin:0 0 18px;line-height:1.9}
dialog button{font:inherit;background:var(--rose);color:#fff;border:0;border-radius:999px;padding:10px 28px;min-height:44px;cursor:pointer}

.side{display:none}
@media (min-width:1100px){
  main{padding-bottom:0}
  .sticky{display:none}
  .side{display:block;position:fixed;top:50%;transform:translateY(-50%);width:calc((100vw - 540px)/2 - 64px);max-width:300px}
  .side.l{left:max(32px,calc(50vw - 270px - 332px))}
  .side.r{right:max(32px,calc(50vw - 270px - 332px))}
  .brand{font-family:var(--serif);font-size:26px;letter-spacing:.16em;margin:0 0 6px}
  .tag{font-size:15px;margin:0 0 24px}
  .info{display:grid;grid-template-columns:auto 1fr;gap:10px 14px;margin:0 0 28px;font-size:15px}
  .info dt{background:var(--pink);border-radius:6px;padding:0 10px;height:max-content;font-size:13px}
  .info dd{margin:0}
  .side .btn{font-size:15px}
  .side nav ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
  .side nav a{display:block;padding:10px 0 10px 20px;text-decoration:none;font-size:15px;position:relative}
  .side nav a.cur{color:var(--rose)}
  .side nav a.cur::before{content:"";position:absolute;left:-4px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--rose)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pulse::after{animation:none}
  .sticky{transition:none}
}