:root{
  --rose:#eb879c;
  --pink:#ffb6c1;
  --ink:#26171a;
  --rose-deep:#a4435a;
  --paper:#fff8f9;
  --soft:#fdeef2;
  --line:rgba(38,23,26,.13);
  --r:18px;
  --shadow-sm:0 1px 2px rgba(38,23,26,.05),0 3px 8px rgba(235,135,156,.16);
  --shadow-md:0 2px 4px rgba(38,23,26,.05),0 14px 32px rgba(235,135,156,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Montserrat',-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:radial-gradient(120% 80% at 10% 0%,#ffffff 0%,var(--paper) 46%,var(--soft) 100%);
  background-attachment:fixed;
}
img{max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--rose-deep);outline-offset:3px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* masthead */
.masthead{
  position:sticky;top:0;z-index:50;
  background:rgba(255,248,249,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,182,193,.7);
  transition:background 240ms ease;
}
body.menu-open .masthead{background:#ffffff}
.mast-top,.mast-tools{width:min(1160px,100% - 32px);margin-inline:auto}
.mast-top{padding-top:14px}
.brand{
  display:inline-flex;align-items:center;gap:10px;min-height:44px;
  text-decoration:none;color:var(--ink);
  font-family:'Cormorant','Songti SC',Georgia,serif;
  font-size:25px;font-weight:600;letter-spacing:.05em;
}
.brand .mark{display:inline-flex;align-items:center}
.brand .mark svg,.brand .mark img{height:30px;width:auto;display:block}
.brand-txt{border-bottom:1px solid rgba(164,67,90,.35)}
.mast-tools{display:flex;align-items:center;gap:10px;padding:8px 0 12px}
.burger{
  display:inline-flex;align-items:center;gap:9px;
  min-height:44px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(38,23,26,.14);background:#fff;
  box-shadow:var(--shadow-sm);color:var(--ink);
  font:inherit;font-size:16px;cursor:pointer;
  transition:transform 220ms ease,box-shadow 220ms ease,background 220ms ease;
}
.burger:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);background:#fffafb}
.burger-ico{position:relative;display:block;width:18px;height:12px}
.burger-ico::before,.burger-ico::after{
  content:'';position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--rose-deep);transition:transform 220ms ease;
}
.burger-ico::before{top:0}
.burger-ico::after{bottom:0}
body.menu-open .burger-ico::before{transform:translateY(5px) rotate(45deg)}
body.menu-open .burger-ico::after{transform:translateY(-5px) rotate(-45deg)}
.field{flex:1;min-width:0}
.field-input{
  width:100%;min-height:44px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(38,23,26,.14);background:#fff;
  box-shadow:var(--shadow-sm);color:var(--ink);
  font:inherit;font-size:16px;
}
.field-input::placeholder{color:rgba(38,23,26,.55)}

/* overlay menu */
.menu{
  position:fixed;inset:0;z-index:40;
  padding:132px 0 26px;
  display:flex;align-items:flex-start;justify-content:center;
  overflow:auto;
  background:radial-gradient(90% 70% at 80% 10%,#ffffff 0%,var(--soft) 55%,#f9dfe6 100%);
  opacity:0;visibility:hidden;
  transition:opacity 240ms ease,visibility 240ms ease;
}
body.menu-open .menu{opacity:1;visibility:visible}
body.menu-open{overflow:hidden}
.menu-panel{
  width:min(660px,100% - 32px);
  background:#fff;border-radius:24px;padding:20px;
  box-shadow:var(--shadow-md);border:1px solid rgba(255,182,193,.6);
  transform:translateY(-10px);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
}
body.menu-open .menu-panel{transform:none}
.menu-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.menu-tag{font-family:'Cormorant',Georgia,serif;font-size:19px;letter-spacing:.06em;color:var(--rose-deep)}
.menu-close{
  min-height:42px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(38,23,26,.14);background:#fff;color:var(--ink);
  font:inherit;font-size:16px;cursor:pointer;
}
.menu-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.menu-item[hidden]{display:none}
.menu-list a{
  display:flex;align-items:center;gap:14px;min-height:48px;
  padding:10px 14px;border-radius:14px;text-decoration:none;
  font-size:17px;transition:background 200ms ease,transform 200ms ease;
}
.menu-list a:hover{background:var(--soft);transform:translateX(4px)}
.idx{
  font-family:'Cormorant',Georgia,serif;font-size:15px;letter-spacing:.12em;
  color:var(--rose-deep);min-width:1.6em;
}
.menu-empty{margin:14px 6px 4px;font-size:16px;color:rgba(38,23,26,.7)}

/* hero */
.hero{width:min(1160px,100% - 32px);margin:16px auto 30px}
.hero-frame{
  position:relative;display:flex;align-items:flex-end;
  min-height:56vh;border-radius:28px;overflow:hidden;
  background:linear-gradient(150deg,var(--pink) 0%,var(--rose) 58%,#c96e84 100%);
  box-shadow:var(--shadow-md);
}
.hero-frame::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(205deg,rgba(255,248,249,.94) 0%,rgba(255,248,249,.6) 44%,rgba(255,182,193,.18) 100%);
}
.hero-media{position:absolute;inset:0;margin:0}
.hero-media img{
  width:100%;height:100%;object-fit:cover;display:block;
  clip-path:polygon(0 0,100% 0,100% 100%,0 86%);
}
.hero-copy{
  position:relative;z-index:2;width:100%;
  padding:clamp(20px,4vw,52px);
  display:flex;flex-direction:column;align-items:flex-end;gap:14px;
  text-align:right;
}
.hero-badge{
  margin:0;display:inline-flex;padding:7px 17px;border-radius:999px;
  background:#fff;box-shadow:var(--shadow-sm);
  font-size:16px;letter-spacing:.14em;color:var(--rose-deep);
}
.hero h1{
  margin:0;max-width:22ch;
  font-family:'Cormorant','Songti SC',Georgia,serif;
  font-size:clamp(29px,5.2vw,54px);font-weight:600;line-height:1.16;letter-spacing:.01em;
}
.hero-lead{margin:0;max-width:46ch;font-size:16px;color:#452e33}

/* layout */
.wrap{
  width:min(1160px,100% - 32px);margin-inline:auto;
  display:grid;gap:26px;grid-template-columns:minmax(0,1fr);
  padding-bottom:10px;
}
.sheet{
  background:#fff;border:1px solid rgba(255,182,193,.55);
  border-radius:var(--r);box-shadow:var(--shadow-md);
  padding:clamp(18px,3vw,40px);overflow:hidden;
}
.prose{overflow-wrap:break-word}
.prose>article{
  padding-block:clamp(26px,4vw,48px);
  border-top:1px solid var(--line);
  scroll-margin-top:150px;
}
.prose>article:first-child{border-top:0;padding-top:6px}
.prose h2,.prose h3{
  font-family:'Cormorant','Songti SC',Georgia,serif;
  font-weight:600;line-height:1.28;letter-spacing:.012em;
  margin:0 0 14px;
}
.prose h2{font-size:clamp(24px,3.2vw,33px)}
.prose h3{font-size:clamp(20px,2.4vw,24px);margin-top:26px}
.prose p{margin:0 0 16px}
.prose p:last-child{margin-bottom:0}
.prose a{color:var(--rose-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.3em}
.prose li{margin-bottom:7px}
.prose li::marker{color:var(--rose-deep)}
.prose blockquote{
  margin:0 0 18px;padding:14px 18px;
  border-left:3px solid var(--rose);border-radius:0 14px 14px 0;
  background:var(--soft);color:#3d272c;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:14px;box-shadow:var(--shadow-sm);height:auto}
.prose strong{font-weight:600}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:16px}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--soft);font-weight:600}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:15px;background:var(--soft);padding:2px 6px;border-radius:6px;
}
hr{
  border:0;height:1px;margin:14px 0 20px;
  background:linear-gradient(90deg,var(--rose) 0%,rgba(235,135,156,.12) 100%);
}

/* rail */
.rail{
  background:linear-gradient(170deg,#ffffff 0%,var(--soft) 100%);
  border:1px solid rgba(255,182,193,.7);
  border-radius:var(--r);box-shadow:var(--shadow-sm);
  padding:20px 18px;
}
.rail-title{
  margin:0;font-family:'Cormorant','Songti SC',Georgia,serif;
  font-size:22px;font-weight:600;letter-spacing:.14em;color:var(--rose-deep);
}
.rail hr{margin:10px 0 12px}
.rail-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.rail-list a{
  display:flex;align-items:center;gap:10px;min-height:42px;
  padding:6px 8px;border-radius:12px;font-size:16px;text-decoration:none;
  transition:background 200ms ease,transform 200ms ease;
}
.rail-list a:hover{background:#fff;transform:translateX(3px)}

/* footer */
.foot{
  margin-top:56px;padding:40px 0 22px;
  background:linear-gradient(180deg,#ffffff 0%,var(--soft) 100%);
  border-top:1px solid rgba(255,182,193,.85);
}
.foot-cols{
  width:min(1160px,100% - 32px);margin-inline:auto;
  display:grid;gap:26px;grid-template-columns:1fr 1fr;
}
.foot-dl{margin:0;display:grid;gap:4px;align-content:start}
.foot-dl--links{grid-template-columns:1fr 1fr;grid-column:1 / -1}
.foot-dl dt{
  font-size:16px;letter-spacing:.16em;color:var(--rose-deep);
  grid-column:1 / -1;margin-bottom:2px;
}
.foot-dl dd{margin:0;font-size:16px;color:#452e33}
.foot-dl a{
  display:inline-flex;align-items:center;min-height:42px;
  text-decoration:none;border-bottom:1px solid transparent;
  transition:border-color 200ms ease,color 200ms ease;
}
.foot-dl a:hover{border-bottom-color:var(--rose);color:var(--rose-deep)}
.foot-bar{
  width:min(1160px,100% - 32px);margin:22px auto 0;padding-top:14px;
  border-top:1px dashed rgba(38,23,26,.16);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:16px;
}
.copy{margin:0;color:rgba(38,23,26,.78)}
.to-top{margin:0}
.to-top a{display:inline-flex;align-items:center;min-height:40px;text-decoration:none;color:var(--rose-deep)}

/* reveal */
.reveal-ready .reveal{opacity:0;transform:translateY(14px);transition:opacity 260ms ease,transform 260ms ease}
.reveal-ready .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal-ready .reveal{opacity:1;transform:none;transition:none}
  .burger,.menu-list a,.rail-list a,.menu-panel,.menu,.foot-dl a{transition:none}
}

/* breakpoints */
@media (min-width:760px){
  .foot-cols{grid-template-columns:1.5fr 1fr 1fr}
  .foot-dl--links{grid-column:auto}
  .hero-frame{min-height:70vh}
}
@media (min-width:920px){
  .wrap{grid-template-columns:minmax(0,1fr) 268px;align-items:start;gap:30px}
  .rail{position:sticky;top:150px}
}
@media (max-width:520px){
  body{font-size:16px}
  .hero-frame{min-height:58vh}
  .hero-lead{font-size:16px}
  .mast-tools{gap:8px}
  .foot-cols{gap:18px}
}

button[aria-expanded]{min-width:44px;min-height:44px}