:root {
  --paper: #f6f3ee;
  --ink: #2a2a28;
  --muted: #7a7872;
  --line: #d8d4cc;
  --soft: #fffdf9;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "Songti SC", "Noto Serif SC", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.85;
  font-weight: 400;
}
a { color: inherit; text-decoration: none; }
img { max-width:100%;height:auto; display: block; }
.wrap { width: min(980px, calc(100% - 40px)); margin: 0 auto; }
nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(246, 243, 238, .94);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 28px; min-height: 64px; }
.brand { font-weight: 500; letter-spacing: .28em; font-size: 13px; }
.links { display: flex; gap: 22px; margin-left: auto; font-size: 13px; letter-spacing: .12em; color: var(--muted); }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 18px; border: 1px solid var(--ink);
  background: transparent; color: var(--ink);
  font-size: 13px; letter-spacing: .16em;
}
.button.ghost { border-color: var(--line); color: var(--muted); }
.hero { padding: 72px 0 24px; }
.kicker { font-size: 11px; letter-spacing: .32em; color: var(--muted); margin-bottom: 18px; }
h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 500; line-height: 1.35; margin-bottom: 16px; }
.lead { font-size: 16px; margin-bottom: 10px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 40px; }
.product { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; }
.product img { width: 100%; height: 340px; object-fit: cover; }
.product figcaption { margin-top: 12px; font-size: 12px; letter-spacing: .2em; color: var(--muted); }
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.head { max-width: 520px; margin-bottom: 32px; }
h2 { font-size: 22px; font-weight: 500; letter-spacing: .12em; margin-bottom: 10px; }
.grid6 { display: grid; grid-template-columns: repeat(3, 1fr); }
.card { padding: 20px 18px 8px 0; border-top: 1px solid var(--line); }
.icon { font-size: 11px; letter-spacing: .2em; color: var(--muted); margin-bottom: 8px; }
h3 { font-size: 16px; font-weight: 500; margin-bottom: 8px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split img, .shot img { width: 100%; height: 300px; object-fit: cover; }
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; margin: 20px 0 28px; }
.scene {
  display: flex; gap: 10px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.scene b { color: var(--muted); font-weight: 400; letter-spacing: .12em; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 32px; }
.review { padding: 20px 0; border-top: 1px solid var(--line); }
.person { margin-top: 14px; display: flex; flex-direction: column; font-size: 13px; letter-spacing: .08em; }
.person small { color: var(--muted); }
.visual { padding: 64px 0; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin: 24px 0 28px; }
.metrics div { padding: 12px 0; border-top: 1px solid var(--line); }
.metrics b { display: block; font-size: 20px; font-weight: 500; }
.metrics small { color: var(--muted); letter-spacing: .1em; }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 48px; }
details { padding: 14px 0; border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 500; letter-spacing: .06em; }
details p { margin-top: 8px; color: var(--muted); }
.cta { padding: 48px 0; border-top: 1px solid var(--ink); }
.cta-in { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
footer { padding: 40px 0 24px; border-top: 1px solid var(--line); }
.footer { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 20px; }
.footer h4 { margin-bottom: 8px; font-size: 12px; letter-spacing: .2em; font-weight: 500; }
.footer a, .footer p { display: block; color: var(--muted); font-size: 13px; margin-top: 8px; }
.copy { margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.page-head { padding: 56px 0 8px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.download-card { padding: 24px 20px 24px 0; border-top: 1px solid var(--line); }
.help-layout { display: grid; grid-template-columns: 180px 1fr; gap: 40px; }
.side { position: sticky; top: 84px; align-self: start; }
.side a { display: block; padding: 8px 0; font-size: 13px; letter-spacing: .12em; color: var(--muted); border-bottom: 1px solid var(--line); }
.article { padding: 8px 0 28px; }
.policy { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); }
@media (max-width: 900px) {
  .links { display: none; }
  .split, .faq-layout, .help-layout, .cta-in, .cards, .footer { grid-template-columns: 1fr; }
  .grid6, .review-grid { grid-template-columns: 1fr 1fr; }
  .product img, .split img, .shot img { height: 220px; }
}
@media (max-width: 560px) {
  .grid6, .review-grid, .metrics { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}