:root {
  --paper: #ffffff; --ink: #141519; --ash: #6a6e76; --rule: #e4e5e9; --sold: #b8002e; --sold-tint: #fbeff1;
  --serif: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "Noto Serif JP", "Source Han Serif JP", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.9; font-feature-settings: "palt"; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* ヘッダ */
.top { display: flex; align-items: baseline; justify-content: space-between; padding: 28px 0 0; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.05rem; letter-spacing: 0.02em; text-decoration: none; }
.top nav a { text-decoration: none; font-size: 0.92rem; color: var(--ash); margin-left: 22px; }

/* ヒーロー: 左 見出し / 右 週報の抜粋 */
.hero { display: grid; grid-template-columns: 5fr 6fr; gap: 56px; align-items: start; padding: 96px 0 72px; }
h1 { font-family: var(--serif); font-weight: 600; font-size: 2.4rem; line-height: 1.4; letter-spacing: 0.01em; margin: 0 0 22px; }
.lead { font-size: 1.05rem; color: var(--ink); margin: 0 0 30px; max-width: 30em; }
.cta { margin: 0 0 12px; }
.btn { display: inline-block; background: var(--ink); color: #fff; text-decoration: none; padding: 15px 24px; font-size: 0.98rem; font-weight: 600; border: 0; cursor: pointer; border-radius: 3px; }
.btn:hover { background: #2a2c33; }
.sub { margin: 0; font-size: 0.92rem; color: var(--ash); }
.sub a { color: var(--ink); }

/* 週報の抜粋(記憶に残す 1 点) */
.report { border-top: 2px solid var(--ink); padding-top: 14px; }
.report-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 0.86rem; color: var(--ash); margin-bottom: 6px; }
.report-head strong { color: var(--ink); font-family: var(--serif); font-weight: 600; font-size: 1.02rem; }
.report table { width: 100%; border-collapse: collapse; table-layout: fixed; font-variant-numeric: tabular-nums; }
.report th, .report td { text-align: left; padding: 11px 6px 10px 0; border-bottom: 1px solid var(--rule); vertical-align: top; font-weight: 400; }
.report th { font-size: 0.78rem; color: var(--ash); padding-bottom: 6px; }
.report th.n, .report td.n { color: var(--ash); width: 1.8em; }
.report td.item { font-size: 0.95rem; line-height: 1.5; }
.report td.item small { display: block; color: var(--ash); font-size: 0.8rem; margin-top: 2px; }
.report th.amt, .report td.amt { white-space: nowrap; width: 5.6em; }
.report th.sig, .report td.sig { width: 11.5em; font-size: 0.88rem; line-height: 1.6; }
.mark { display: inline-block; font-size: 0.78rem; line-height: 1; padding: 5px 7px 4px; margin-right: 6px; border: 1px solid var(--ink); color: var(--ink); }
.mark.sold { border-color: var(--sold); color: var(--sold); background: var(--sold-tint); }
.report-foot { font-size: 0.8rem; color: var(--ash); margin: 10px 0 0; }

/* 本文セクション */
section { padding: 56px 0 0; }
h2 { font-family: var(--serif); font-weight: 600; font-size: 1.55rem; line-height: 1.5; margin: 0 0 18px; }
.two { display: grid; grid-template-columns: 5fr 6fr; gap: 56px; }
.two p, .two ul, .two ol, .two dl { max-width: 34em; }
ul, ol { padding-left: 1.3em; margin: 0; }
li { margin: 8px 0; }
.note { color: var(--ash); font-size: 0.95rem; }

/* 手順(本物の順序なので番号) */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; list-style: none; padding: 0; }
.steps li { border-top: 1px solid var(--rule); padding-top: 14px; margin: 0; }
.steps li::before { counter-increment: step; content: counter(step); display: block; font-family: var(--serif); font-size: 1.5rem; line-height: 1; margin-bottom: 10px; }

/* 料金 */
p.price { font-family: var(--serif); font-size: 2.6rem; line-height: 1.2; margin: 6px 0 4px; font-variant-numeric: tabular-nums; }
p.price span { font-family: var(--sans); font-size: 1rem; color: var(--ash); }

/* FAQ */
dl { margin: 0; }
dt { font-weight: 600; margin-top: 18px; }
dd { margin: 4px 0 0; }
dl.legal dt { margin-top: 14px; }

/* フォーム */
form label { display: block; margin: 14px 0 6px; font-weight: 600; }
form input { width: 100%; padding: 11px 12px; border: 1px solid #c9cbd1; border-radius: 3px; font-size: 1rem; margin-top: 4px; background: #fff; }
fieldset { border: 1px solid var(--rule); border-radius: 3px; padding: 12px 14px; margin: 16px 0; }
fieldset input { margin: 6px 0; }
legend { font-weight: 600; padding: 0 6px; }
#msg { margin-top: 12px; }

footer { margin-top: 80px; padding: 24px 0 48px; border-top: 1px solid var(--rule); font-size: 0.88rem; color: var(--ash); display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--ash); text-decoration: none; }
footer a:hover { color: var(--ink); }
.page { padding-top: 56px; }
.page h1 { font-size: 1.8rem; }

@media (max-width: 860px) {
  .hero, .two { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding: 56px 0 40px; }
  h1 { font-size: 1.85rem; }
  .steps { grid-template-columns: 1fr; gap: 18px; }
  /* スマホ: 表を行ブロックに崩す(商品名 1 行、価格と観測を 2 行目) */
  .report table, .report tbody, .report tr, .report td { display: block; width: auto; }
  .report thead { display: none; }
  .report tr { padding: 10px 0; border-bottom: 1px solid var(--rule); }
  .report td { border: 0; padding: 0; }
  .report td.n { display: none; }
  .report td.item { margin-bottom: 6px; }
  .report td.amt { display: inline-block; margin-right: 10px; font-size: 0.95rem; }
  .report td.sig { display: inline; width: auto; }
  .wrap { padding: 0 20px; }
}
@media (prefers-reduced-motion: no-preference) { .btn { transition: background 120ms ease; } }