/* 2027年おせちLP */
:root {
  --lp-max: 860px;          /* PCでのLP本体の最大幅 */
  --bg-outside: #000;
  --washi: #f6f0e2;
  --ink: #1f1a17;
  --red: #a3141c;
  --red-dark: #7d0d13;
  --gold: #c9a45c;
  --float-h: 48px;          /* スマホ追従ボタンの高さ */
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg-outside);
  color: var(--ink);
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

/* ---------- タイトル帯（H1） ---------- */
.lp-titlebar {
  max-width: var(--lp-max);
  margin: 0 auto;
  padding: 8px 16px;
  background: #0b0b0b;
  border-bottom: 1px solid #3a2f1a;
}
.lp-titlebar h1 {
  margin: 0;
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: .04em;
  text-align: center;
}

/* ---------- LP本体 ---------- */
.lp {
  max-width: var(--lp-max);
  margin: 0 auto;
  background: #000;
}
.lp-img {
  display: block;
  width: 100%;
  height: auto;
}
.lp-order { scroll-margin-top: 0; }
.lp-link { display: block; }
.lp-link[href] { cursor: pointer; }
.lp-link[href]:focus-visible { outline: 3px solid var(--gold); outline-offset: -3px; }

/* ---------- おいしさの秘密（HTMLテキスト） ---------- */
.lp-secret {
  padding: 56px 24px 64px;
  text-align: center;
  background-color: var(--washi);
  /* 和紙風のかすかな繊維（CSSのみ・画像不使用） */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .38 0 0 0 0 .25 0 0 0 .09 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    radial-gradient(ellipse at 50% 0%, #fbf7ee 0%, var(--washi) 60%, #eee5d0 100%);
}
.lp-secret__title {
  display: block;
  margin: 0 auto 28px;
  max-width: 520px;
  padding: 10px 16px;
  background: var(--red);
  color: #fff;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .2em;
  line-height: 1.4;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .25);
}
.lp-secret__lead {
  margin: 0 0 28px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .06em;
}
.lp-secret__body {
  max-width: 620px;
  margin: 0 auto;
}
.lp-secret__body p {
  margin: 0 0 1.4em;
  font-size: 16px;
  line-height: 2;
  letter-spacing: .04em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}
.lp-secret__body p:last-child { margin-bottom: 0; }

/* ---------- 末尾の案内 ---------- */
.lp-end {
  max-width: var(--lp-max);
  margin: 0 auto;
  padding: 48px 20px 28px;
  background: #0b0b0b;
  color: #f3ead6;
  text-align: center;
  border-top: 1px solid #3a2f1a;
}
.lp-end__title {
  margin: 0 0 24px;
  color: var(--gold);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .12em;
}
.lp-end__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.lp-end__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: #cbbf9f;
}

.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4em;
  min-height: 52px;
  min-width: 260px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .06em;
  text-decoration: none;
}
.lp-btn--order {
  min-width: 300px;
  min-height: 60px;
  font-size: 18px;
  letter-spacing: .12em;
  color: #2a1a05;
  background: linear-gradient(#f3dc9a, #c9a45c 55%, #a8843d);
  border: 1px solid #f6e7b8;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .5);
}
.lp-btn--order:hover { filter: brightness(1.06); }
.lp-btn:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

/* 公式サイトリンク・コピーライト */
.lp-end__site {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #2a2418;
  color: #9a9080;
  font-size: 13px;
  line-height: 1.8;
}
.lp-end__site a { color: #cbbf9f; display: block; }

/* ---------- 追従ボタン「おせちを注文する」（フッターのボタンと同じ金色） ---------- */
.lp-float {
  position: fixed;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2a1a05;
  text-decoration: none;
  background: linear-gradient(#f3dc9a, #c9a45c 55%, #a8843d);
  border: 1px solid #f6e7b8;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .3s ease, transform .3s ease, visibility 0s linear .3s;
}
.lp-float.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity .3s ease, transform .3s ease, visibility 0s;
}
.lp-float:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.lp-float:hover { filter: brightness(1.06); }

/* スマホ・タブレット：画面下中央のコンパクトな固定ボタン */
.lp-float {
  left: 50%;
  bottom: calc(10px + env(safe-area-inset-bottom));
  height: var(--float-h);
  padding: 0 20px;
  border-radius: 999px;
  margin-left: calc(min(240px, 100vw - 32px) / -2);
  width: min(240px, 100vw - 32px);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .1em;
}
.lp-float__sub { font-size: inherit; }

/* 追従ボタンが最後の内容を隠さないよう、下に余白を確保 */
body.has-float .lp-end { padding-bottom: calc(28px + var(--float-h) + 16px); }

/* PC：LP本体の外側（右下）に丸いボタン */
@media (min-width: 1160px) {
  .lp-float {
    left: auto;
    right: 20px;
    bottom: 24px;
    margin-left: 0;
    width: 112px;
    height: 112px;
    padding: 0;
    border-radius: 50%;
    flex-direction: column;
    font-size: 16px;
    line-height: 1.45;
    letter-spacing: .08em;
    text-align: center;
  }
  .lp-float__sub { display: block; }
  body.has-float .lp-end { padding-bottom: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .lp-float, .lp-float.is-visible { transition: none; transform: none; }
}

/* ---------- スマホの文字サイズ・余白 ---------- */
@media (max-width: 480px) {
  .lp-titlebar h1 { font-size: 12px; }
  .lp-secret { padding: 40px 18px 48px; }
  .lp-secret__title { font-size: 19px; margin-bottom: 22px; }
  .lp-secret__lead { font-size: 18px; margin-bottom: 22px; }
  .lp-secret__body p { font-size: 15px; line-height: 1.95; }
  .lp-btn { min-width: 0; width: 100%; }
}