:root {
  color-scheme: light dark;
  --paper: #F4F1EA; --surface: #FFFFFF; --sunken: #EAE6DC;
  --ink: #1A1916; --sub: #5E5A52; --line: rgba(26,25,22,.12);
  --deck: #24221F; --on-deck: #F4F1EA; --on-deck-sub: #A8A298;
  --lamp: #F2A93B; --lamp-text: #9A5200;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0F0E0D; --surface: #1D1B19; --sunken: #262421;
    --ink: #F2EEE6; --sub: #A8A298; --line: rgba(242,238,230,.10);
    --deck: #1D1B19; --lamp-text: #F5B04A;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.8 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif; }
a { color: var(--lamp-text); text-underline-offset: 3px; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }

header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav.site { display: flex; gap: 16px; font-size: 14px; }
nav.site a { color: var(--sub); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current] { color: var(--ink); }

.hero { padding: 56px 0 40px; text-align: center; }
.hero .icon { width: 112px; height: 112px; border-radius: 26px; margin: 0 auto 20px; box-shadow: 0 12px 32px rgba(26,25,22,.18); }
.hero h1 { font-size: clamp(28px, 6vw, 44px); line-height: 1.35; margin: 0 0 12px; letter-spacing: .01em; }
.hero p.lead { color: var(--sub); font-size: clamp(15px, 3.6vw, 18px); max-width: 600px; margin: 0 auto 28px; }
.cta { display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px; border-radius: 999px;
  background: var(--deck); color: var(--on-deck); text-decoration: none; font-weight: 700; }
.cta.soon { background: var(--sunken); color: var(--sub); }
.note { color: var(--sub); font-size: 13px; margin-top: 12px; }

.shots { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 8px 16px 24px;
  margin: 0 auto; max-width: 1200px; -webkit-overflow-scrolling: touch; }
.shots img { flex: 0 0 auto; width: min(62vw, 220px); border-radius: 18px; scroll-snap-align: center;
  box-shadow: 0 8px 24px rgba(26,25,22,.12); }

section.block { padding: 48px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: clamp(22px, 4.6vw, 28px); margin: 0 0 8px; }
section.block .sub { color: var(--sub); margin: 0 0 28px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card h3 { font-size: 17px; margin: 0 0 8px; }
.card ul { margin: 0; padding-left: 1.2em; color: var(--sub); font-size: 15px; }
.card li { margin: 4px 0; }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.plan h3 { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.plan .price { font-size: 15px; color: var(--sub); font-weight: 400; }
.plan.plus { background: var(--deck); color: var(--on-deck); border-color: transparent; }
.plan.plus ul { color: var(--on-deck-sub); }
.plan.plus .price { color: var(--lamp); font-weight: 700; }

.band { background: var(--deck); color: var(--on-deck); text-align: center; padding: 28px 16px; font-weight: 700; }

.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin: 0 0 10px; }
.faq summary { cursor: pointer; padding: 14px 18px; font-weight: 700; list-style: none; position: relative; padding-right: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 12px; color: var(--sub); font-weight: 400; font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq .a { padding: 0 18px 16px; color: var(--sub); }
.faq .a p, .faq .a ul, .faq .a ol { margin: 6px 0; }
.faq .a strong { color: var(--ink); }
h2.group { font-size: 18px; margin: 36px 0 12px; }

.contact { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; margin: 40px 0; }
.contact h2 { margin-top: 0; font-size: 20px; }

article.legal h1 { font-size: clamp(24px, 5vw, 30px); margin: 40px 0 4px; }
article.legal .updated { color: var(--sub); font-size: 14px; margin: 0 0 24px; }
article.legal h2 { font-size: 18px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
article.legal p, article.legal li { margin: 8px 0; }

footer.site { border-top: 1px solid var(--line); margin-top: 48px; padding: 28px 0 40px; color: var(--sub); font-size: 14px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 12px; }
footer.site a { color: var(--sub); }

@media (max-width: 520px) {
  nav.site { gap: 12px; font-size: 13px; }
  .brand span { display: none; }
}