:root {
  --paper: #f6f3ee;
  --paper2: #efeae2;
  --ink: #1f1d1a;
  --muted: #6b655c;
  --line: #d9d2c6;
  --accent: #2f4b6e;
  --accent-ink: #ffffff;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --sans: -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161513;
    --paper2: #1d1b18;
    --ink: #ece7df;
    --muted: #a59e93;
    --line: #36322c;
    --accent: #8fb0d6;
    --accent-ink: #11161d;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.85; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.top-inner { display: flex; justify-content: space-between; align-items: center; height: 56px; }
.logo { font-family: var(--serif); letter-spacing: .3em; font-size: 18px; text-decoration: none; margin: 0; }
.top-cta { font-size: 14px; text-decoration: none; border: 1px solid var(--ink); padding: 4px 14px; border-radius: 999px; }

.hero { padding: 72px 0 80px; }
@media (min-width: 720px) { .hero { padding: 120px 0 128px; } }
.eyebrow { font-size: 13px; letter-spacing: .2em; color: var(--muted); margin: 0 0 20px; }
h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(32px, 8vw, 56px); line-height: 1.45; letter-spacing: .04em; margin: 0 0 28px; }
.lead { max-width: 34em; color: var(--muted); margin: 0 0 36px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 14px 28px; border-radius: 4px; font-size: 15px; letter-spacing: .05em; overflow-wrap: anywhere; }
.btn:hover { opacity: .9; }

section { padding: 64px 0; }
@media (min-width: 720px) { section { padding: 96px 0; } }
.band { background: var(--paper2); }
h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(22px, 5vw, 30px); letter-spacing: .06em; margin: 0 0 32px; display: flex; align-items: baseline; gap: 14px; }
h2 span { font-family: var(--sans); font-size: 12px; color: var(--accent); letter-spacing: .15em; }
h3 { font-family: var(--serif); font-weight: 500; font-size: 18px; margin: 0 0 8px; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
@media (min-width: 720px) { .cards { grid-template-columns: 1fr 1fr; gap: 20px; } }
.cards li { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 24px 20px; }
.cards p { margin: 0; color: var(--muted); font-size: 15px; }

.flow { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 0; }
.flow li { counter-increment: step; position: relative; padding: 0 0 28px 52px; border-left: 1px solid var(--line); margin-left: 16px; color: var(--muted); font-size: 15px; }
.flow li:last-child { border-left-color: transparent; padding-bottom: 0; }
.flow li::before { content: counter(step); position: absolute; left: -16px; top: -2px; width: 32px; height: 32px; border-radius: 50%; background: var(--paper); border: 1px solid var(--accent); color: var(--accent); font-size: 14px; display: grid; place-items: center; }
.flow b { display: block; color: var(--ink); font-weight: 600; font-size: 16px; margin-bottom: 2px; }

.price { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 32px 24px; text-align: center; margin-bottom: 24px; }
.price-name { margin: 0; color: var(--muted); letter-spacing: .1em; font-size: 14px; }
.price-num { font-family: var(--serif); font-size: clamp(40px, 11vw, 56px); margin: 4px 0; letter-spacing: .02em; line-height: 1.3; }
.price-num small { font-size: 16px; margin-left: 4px; }
.price-note { margin: 0; color: var(--muted); font-size: 14px; }
.notes { margin: 0; padding-left: 1.2em; color: var(--muted); font-size: 14px; }
.notes li + li { margin-top: 6px; }

.caution { background: var(--paper2); border-left: 3px solid var(--accent); padding: 12px 16px; font-size: 14px; margin: 0 0 28px; }
.samples { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); }
@media (min-width: 720px) { .samples { gap: 24px; } }
.samples figure { margin: 0; }
.samples img { border-radius: 10px; border: 1px solid var(--line); box-shadow: 0 6px 24px rgba(0,0,0,.08); }
.samples figcaption { margin-top: 8px; font-family: var(--serif); font-size: clamp(13px, 3.4vw, 16px); line-height: 1.5; }
.samples figcaption span { display: block; font-family: var(--sans); font-size: clamp(10px, 2.8vw, 12px); color: var(--muted); }

.faq { margin: 0; }
.faq dt { font-weight: 600; margin-top: 20px; }
.faq dt:first-child { margin-top: 0; }
.faq dt::before { content: "Q. "; color: var(--accent); }
.faq dd { margin: 4px 0 0; color: var(--muted); font-size: 15px; }

.contact p { color: var(--muted); margin: 0 0 28px; }

.foot { border-top: 1px solid var(--line); padding: 32px 0 48px; }
.foot-inner { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; }
.foot nav a { font-size: 14px; color: var(--muted); }
.copy { margin: 0; font-size: 12px; color: var(--muted); }