@charset "UTF-8";

/* ============================================================
   株式会社ピエラピエール コーポレートサイト
   2026-08-25 初版
   設計方針：客層が40代後半以上のため本文16px以上・行間1.9・
             コントラスト4.5:1以上を全体で確保する
   ============================================================ */

:root {
  --bg:        #FAF3E6;
  --bg-alt:    #F3E7D2;
  --white:     #FFFCF4;
  --dark:      #241E15;
  --dark-2:    #2E271C;
  --ink:       #2A241E;
  --ink-2:     #4A4038;
  --muted:     #6B6157;
  --muted-d:   #A99C8A;
  --gold:      #A98240;
  --gold-lt:   #C9A063;
  --gold-dk:   #8C6A2F;
  --line:      #DED3C2;
  --line-2:    #DCCFBB;
  --line-dk:   #4A4038;

  --mincho: 'Shippori Mincho B1', 'Yu Mincho', 'YuMincho', 'Hiragino Mincho ProN', serif;
  --gothic: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;

  --pad-x: 64px;
  --maxw: 1280px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--gothic);
  font-size: 17px;
  line-height: 1.9;
  font-feature-settings: "palt";
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--gold-dk); text-decoration: none; }
a:hover { color: #6E5223; text-decoration: underline; }
a:focus-visible,
button:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

h1, h2, h3 { font-family: var(--mincho); font-weight: 600; margin: 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--dark); color: #F0E8DA; }

.eyebrow {
  font-size: 15px; letter-spacing: 0.24em; color: var(--gold-dk);
  margin: 0 0 18px; text-transform: uppercase;
}
.section--dark .eyebrow { color: var(--gold-lt); }

.h2 { font-size: 34px; line-height: 1.5; letter-spacing: 0.04em; margin: 0 0 40px; }
.section--dark .h2 { color: #F7F1E6; }

.lead { max-width: 44em; margin: 0 0 48px; }

/* ---------- ヘッダー ---------- */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.site-header__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 18px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-header__logo img { height: 34px; width: auto; }

.nav { display: flex; align-items: center; gap: 30px; font-size: 16px; }
.nav a { color: var(--ink-2); }
.nav a[aria-current="page"] { color: var(--gold-dk); }
.nav__cta {
  border: 1px solid var(--gold); color: var(--gold-dk);
  padding: 9px 22px; border-radius: 2px; white-space: nowrap;
}
.nav__cta:hover { background: var(--gold); color: #1A1610; text-decoration: none; }
.nav__lang { border-left: 1px solid var(--line); padding-left: 22px; color: var(--muted); }

.nav-toggle { display: none; }

/* ---------- ヒーロー ---------- */
.hero { background: var(--dark); padding: 88px 0 92px; }
.hero__grid { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: center; }
.hero__label { font-size: 15px; letter-spacing: 0.24em; color: var(--gold-lt); margin: 0 0 24px; }
.hero__title {
  font-size: 48px; line-height: 1.6; letter-spacing: 0.04em;
  color: #F7F1E6; margin: 0 0 30px; text-wrap: pretty;
}
.hero__text { font-size: 18px; line-height: 2.05; color: #D8CDBC; margin: 0 0 42px; max-width: 30em; }
.hero__img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 2px; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 56px; padding: 15px 40px; border-radius: 2px;
  font-size: 17px; letter-spacing: 0.06em; font-family: var(--gothic);
  border: 1px solid transparent; cursor: pointer;
}
.btn--gold { background: var(--gold); color: #1A1610; }
.btn--gold:hover { background: #8C6A2F; color: #FFFDF9; text-decoration: none; }
.btn--ghost-d { border-color: #6B5F4E; color: #E4DACA; }
.btn--ghost-d:hover { border-color: var(--gold-lt); color: #F7F1E6; text-decoration: none; }
.btn--ghost { border-color: var(--gold); color: var(--gold-dk); }
.btn--ghost:hover { background: var(--gold); color: #1A1610; text-decoration: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- 2カラム ---------- */
.cols { display: grid; gap: 64px; align-items: start; }
.cols--5-7 { grid-template-columns: 5fr 7fr; }
.cols--7-5 { grid-template-columns: 7fr 5fr; }
.cols__img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 2px; }

.pull {
  font-family: var(--mincho); font-size: 24px; line-height: 1.8;
  letter-spacing: 0.04em; margin: 0 0 32px;
}
.sign {
  border-top: 1px solid var(--line); padding-top: 26px; margin-top: 40px;
  font-family: var(--mincho); font-size: 19px; letter-spacing: 0.06em; color: var(--ink-2);
}

/* ---------- 約束（3列） ---------- */
.promise { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; }
.promise__icon { width: 34px; height: 34px; margin-bottom: 22px; }
.promise h3 { font-size: 21px; letter-spacing: 0.06em; margin: 0 0 14px; }
.promise p { margin: 0; font-size: 16px; line-height: 1.95; color: var(--ink-2); }

/* ---------- 商品（正方形カード） ---------- */
.products { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px 36px; }
.product img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 2px; margin-bottom: 20px; }
.product h3 { font-size: 21px; letter-spacing: 0.04em; margin: 0 0 10px; }
.product p { margin: 0; font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.note { margin: 44px 0 0; font-size: 15px; color: var(--muted); }
.section--dark .note { color: var(--muted-d); }

/* ---------- ストア／SNS ボタンカード ---------- */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card {
  display: flex; flex-direction: column;
  border-radius: 3px; overflow: hidden; color: inherit;
}
.card:hover { text-decoration: none; }
.card__logo {
  background: #FFFFFF; min-height: 104px;
  display: flex; align-items: center; justify-content: center; padding: 16px 24px;
}
.card__logo img { width: auto; }
.card__logo-text { font-size: 26px; color: var(--ink); letter-spacing: 0.02em; font-family: var(--gothic); }
.card__body { display: block; padding: 26px 28px 28px; flex-grow: 1; }
.card__name { display: block; font-size: 18px; letter-spacing: 0.04em; margin-bottom: 10px; }
.card__desc { display: block; font-size: 15px; line-height: 1.8; }
.card__cta {
  background: var(--gold); color: #1A1610; padding: 17px 28px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 16px; letter-spacing: 0.06em; min-height: 56px;
}
.card:hover .card__cta { background: #8C6A2F; color: #FFFDF9; }

.card--dark { background: var(--dark-2); border: 1px solid var(--line-dk); }
.card--dark .card__name { color: #F0E8DA; }
.card--dark .card__desc { color: var(--muted-d); }
.card--light { background: var(--white); border: 1px solid var(--line); }
.card--light .card__name { color: var(--ink); }
.card--light .card__desc { color: var(--muted); }

.shopinfo {
  border: 1px solid var(--line-dk); border-radius: 3px; padding: 36px 40px; margin-top: 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.shopinfo__name { font-size: 21px; color: #F0E8DA; letter-spacing: 0.04em; margin: 0 0 12px; }
.shopinfo__meta { font-size: 15px; line-height: 1.85; color: var(--muted-d); margin: 0; }

/* ---------- 事業内容 ---------- */
.biz { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.biz__item { border: 1px solid var(--line); background: var(--white); padding: 48px 44px; border-radius: 2px; }
.biz__item svg { margin-bottom: 26px; }
.biz__item h2 { font-size: 24px; letter-spacing: 0.05em; margin: 0 0 18px; }
.biz__item p { margin: 0; color: var(--ink-2); }

.cta-band { background: var(--dark); padding: 76px 0; }
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { font-size: 30px; letter-spacing: 0.05em; color: #F7F1E6; margin: 0 0 16px; }
.cta-band p { margin: 0; color: #D8CDBC; }

/* ---------- ページ見出し ---------- */
.pagehead { background: var(--dark); padding: 66px 0; }
.pagehead h1 { font-size: 40px; letter-spacing: 0.08em; color: #F7F1E6; margin: 0; }

/* ---------- 定義リスト（会社概要・沿革） ---------- */
.dl { max-width: 940px; }
.dl__row { display: flex; gap: 24px; border-top: 1px solid var(--line); padding: 22px 0; }
.dl__row:last-child { border-bottom: 1px solid var(--line); }
.dl__key { width: 300px; flex-shrink: 0; color: var(--muted); font-size: 16px; }
.dl__val { flex: 1; }

.history .dl__row { border-color: var(--line-2); gap: 40px; }
.history .dl__key {
  width: 190px; font-family: var(--mincho); font-size: 18px;
  color: var(--gold-dk); letter-spacing: 0.04em;
}

/* ---------- フォーム ---------- */
.form { display: flex; flex-direction: column; gap: 30px; max-width: 760px; }
.field { display: flex; flex-direction: column; gap: 10px; }
.field__head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.field__label { font-size: 16px; color: var(--ink); }
.badge { font-size: 14px; padding: 3px 10px; border-radius: 2px; letter-spacing: 0.06em; }
.badge--req { background: var(--gold-dk); color: var(--white); }
.badge--opt { border: 1px solid #B5A68E; color: #5C5349; }

.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form select,
.form textarea {
  width: 100%; font-family: var(--gothic); font-size: 17px; line-height: 1.7;
  color: var(--ink); background: var(--white);
  border: 1px solid #C9BCA6; border-radius: 2px; padding: 15px 18px;
}
.form input, .form select { min-height: 56px; }
.form textarea { min-height: 200px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 3px solid var(--gold); outline-offset: 1px; border-color: var(--gold);
}
.form__2col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }

.consent { display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; }
.consent input { width: 24px; height: 24px; min-height: 24px; margin: 4px 0 0; accent-color: var(--gold-dk); flex-shrink: 0; }
.consent label { font-size: 16px; color: var(--ink-2); }

.aside-box { background: var(--bg-alt); padding: 40px 36px; border-radius: 2px; }
.aside-box h2 { font-size: 22px; letter-spacing: 0.05em; margin: 0 0 24px; }
.aside-box__tel { font-family: var(--mincho); font-size: 28px; letter-spacing: 0.04em; margin-bottom: 12px; }
.aside-box p { margin: 0 0 32px; font-size: 15px; line-height: 1.9; color: var(--muted); }
.aside-box__sub { border-top: 1px solid var(--line-2); padding-top: 28px; }
.aside-box__sub h3 { font-size: 19px; letter-spacing: 0.05em; margin: 0 0 16px; }
.aside-box__sub p { margin: 0; }

.alert { border-left: 4px solid var(--gold); background: var(--bg-alt); padding: 20px 24px; margin: 0 0 32px; }
.alert--ok { border-color: #4E7A46; }
.alert--ng { border-color: #A33A2E; }

/* ---------- 本文ページ（プライバシーポリシー等） ---------- */
.prose { max-width: 820px; }
.prose h2 { font-size: 22px; letter-spacing: 0.05em; margin: 48px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { font-size: 17px; line-height: 1.95; }
.prose ol, .prose ul { padding-left: 1.4em; }
.prose li { margin-bottom: 8px; }

/* ---------- フッター ---------- */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 56px 0 40px; }
.site-footer__top { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; margin-bottom: 40px; }
.site-footer__logo { height: 30px; width: auto; margin-bottom: 20px; }
.site-footer__meta { font-size: 15px; line-height: 1.9; color: var(--muted); }
.site-footer__nav { display: flex; gap: 44px; font-size: 15px; }
.site-footer__nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.site-footer__nav a { color: var(--ink-2); }
.copyright { border-top: 1px solid var(--line); padding-top: 24px; font-size: 15px; color: var(--muted); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--gold); color: #1A1610; padding: 12px 20px; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 1023px) {
  :root { --pad-x: 40px; }
  .hero__grid, .cols--5-7, .cols--7-5 { grid-template-columns: 1fr; gap: 40px; }
  .cols--5-7 .cols__img, .cols--7-5 .cols__img { max-width: 460px; }
  .hero__img { max-width: 520px; }
  .products, .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .promise { grid-template-columns: 1fr; gap: 36px; }
  .biz { grid-template-columns: 1fr; }
  .hero__title { font-size: 40px; }
  .h2 { font-size: 30px; }
  .dl__key { width: 220px; }
}

@media (max-width: 767px) {
  :root { --pad-x: 22px; }
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .hero { padding: 56px 0 60px; }
  .hero__title { font-size: 30px; line-height: 1.65; }
  .hero__text { font-size: 17px; }
  .h2 { font-size: 25px; margin-bottom: 30px; }
  .pagehead { padding: 46px 0; }
  .pagehead h1 { font-size: 29px; }
  .products, .cards { grid-template-columns: 1fr; gap: 32px; }
  .products { gap: 36px; }
  .form__2col { grid-template-columns: 1fr; }
  .pull { font-size: 20px; }
  .biz__item { padding: 34px 26px; }
  .aside-box { padding: 30px 24px; }
  .shopinfo { padding: 28px 24px; }

  /* ナビをトグル式に */
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 48px; padding: 10px 16px; flex-shrink: 0;
    white-space: nowrap;                 /* 「メニュー」を折り返さない */
    background: transparent; border: 1px solid var(--line);
    border-radius: 2px; font-family: var(--gothic); font-size: 15px; color: var(--ink-2);
  }
  .site-header__logo img { height: 28px; }   /* スマホではロゴを一段小さく */
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 22px 20px;
    box-shadow: 0 12px 24px rgba(33, 28, 23, 0.08);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav__cta { text-align: center; margin-top: 14px; border-bottom: none; }
  .nav__lang { border-left: none; padding-left: 0; }
  .site-header__inner { position: relative; }
  .site-footer__nav { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media print {
  .site-header, .card__cta, .nav-toggle { display: none; }
  body { background: #fff; color: #000; }
}