:root{
  --teal:#00B5B0; --teal-deep:#00807C; --ink:#0E2224; --ink-soft:#4A6264;
  --gray:#F2F4F5; --gray-line:#DCE4E5; --white:#fff;
  --font-display:'Unbounded','Onest',system-ui,sans-serif;
  --font-body:'Onest',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);
  font-size:16px;line-height:1.65;overflow-wrap:break-word;
}
a{color:var(--teal-deep);text-decoration:underline;text-underline-offset:3px}
a:hover{color:var(--teal)}
::selection{background:var(--teal);color:#fff}
:focus-visible{outline:3px solid var(--teal-deep);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:860px;margin:0 auto;padding-inline:clamp(20px,5vw,40px)}

.dhead{
  position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--gray-line);
}
.dhead__in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.dhead img{height:40px;width:auto;display:block}
.dhead a.back{
  font-family:var(--font-body);font-weight:700;font-size:.9rem;
  text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;gap:8px;
}
.dhead a.back:hover{color:var(--teal-deep)}
.dhead a.back svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

.doc{padding-block:clamp(36px,6vw,72px) clamp(50px,8vw,90px)}
.doc__kicker{
  font-family:var(--font-display);font-weight:600;font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal-deep);display:inline-flex;align-items:center;gap:.6em;
}
.doc__kicker::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--teal);transform:skewX(-30deg)}
h1{
  font-family:var(--font-display);font-weight:800;letter-spacing:-.045em;line-height:1.12;
  font-size:clamp(1.5rem,3.4vw,2.3rem);margin:16px 0 0;text-wrap:balance;
}
.doc__meta{margin:16px 0 0;color:var(--ink-soft);font-size:.9rem}
h2{
  font-family:var(--font-display);font-weight:700;letter-spacing:-.04em;line-height:1.25;
  font-size:clamp(1.05rem,2vw,1.3rem);margin:44px 0 14px;
}
h3{font-family:var(--font-display);font-weight:600;font-size:1rem;letter-spacing:-.03em;margin:26px 0 10px}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin-bottom:8px}
li::marker{color:var(--teal-deep)}

.lead-box{
  background:var(--gray);border-radius:20px;padding:24px 26px;margin:26px 0 0;
  font-size:.95rem;color:var(--ink-soft);
}
.lead-box p:last-child{margin-bottom:0}

.req{
  border:1px solid var(--gray-line);border-radius:20px;overflow:hidden;margin:22px 0 8px;
}
.req__row{
  display:grid;grid-template-columns:minmax(180px,.9fr) 1.6fr;gap:16px;
  padding:14px 24px;border-top:1px solid var(--gray-line);font-size:.92rem;
}
.req__row:first-child{border-top:0}
.req__row dt{color:var(--ink-soft);margin:0}
.req__row dd{margin:0;font-weight:600}

.note{
  border-left:3px solid var(--teal);background:#F0FBFB;
  padding:16px 20px;border-radius:0 14px 14px 0;margin:20px 0;font-size:.93rem;
}
.note p:last-child{margin-bottom:0}

.dfoot{background:var(--ink);color:rgba(255,255,255,.6);padding-block:36px;font-size:.85rem}
.dfoot a{color:rgba(255,255,255,.75)}
.dfoot a:hover{color:#fff}
.dfoot__in{display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:space-between;align-items:center}

@media (max-width:640px){
  .req__row{grid-template-columns:1fr;gap:4px;padding:14px 20px}
  .dhead__in{height:64px}
  .dhead img{height:34px}
}