/* =========================================================
   たまちゃん農園 — スタイルシート
   色や文字サイズは :root の値を変えると全体に反映されます
   ========================================================= */

:root {
  --bg:        #fbf8f2;   /* 背景（生成り色） */
  --surface:   #ffffff;
  --tint:      #f4efe3;   /* 薄いベージュの帯 */
  --ink:       #3a2f26;   /* 本文の文字色 */
  --ink-soft:  #6d6055;
  --brown:     #4a3526;   /* ロゴの茶色 */
  --gold:      #b8923c;   /* 稲穂の金色 */
  --green:     #6f8f52;   /* 葉の緑 */
  --line:      #e6ddcd;

  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans:  "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;

  --header-h: 62px;
  --maxw: 1080px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}

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

h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .04em;
  margin: 0 0 .8em;
}
h2 { font-size: clamp(22px, 5.2vw, 34px); }
h3 { font-size: clamp(19px, 4vw, 24px); }
p  { margin: 0 0 1.2em; }

.skip-link {
  position: absolute; left: -9999px;
  background: var(--brown); color: #fff;
  padding: 10px 16px; z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- ヘッダー ---------- */

.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 248, 242, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}
.header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 2px 16px rgba(74, 53, 38, .06);
}

.header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}

.header__brand {
  display: flex; align-items: center; gap: 9px;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: .06em;
  color: var(--brown);
  white-space: nowrap;
}
.header__brand img { width: 36px; height: 36px; border-radius: 50%; }

/* ハンバーガー */
.nav-toggle {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 0 9px;
  background: none; border: 0; cursor: pointer;
  margin-right: -9px;
}
.nav-toggle span {
  display: block; height: 1.5px; background: var(--brown); border-radius: 2px;
  transition: transform .3s, opacity .2s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav ul { list-style: none; margin: 0; padding: 0; }
.nav a { text-decoration: none; }

/* ---------- ボタン ---------- */

.btn {
  display: inline-block;
  background: var(--brown);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .06em;
  padding: 14px 30px;
  border-radius: 999px;
  transition: transform .2s, background-color .2s, box-shadow .2s;
}
.btn:hover { background: #5c4433; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(74,53,38,.18); }
.btn--sm { padding: 9px 18px; font-size: 13.5px; }
.btn--light { background: #fff; color: var(--brown); }
.btn--light:hover { background: #fff; }
.btn--outline {
  background: transparent; color: #fff;
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.6);
}
.btn--outline:hover { background: rgba(255,255,255,.12); box-shadow: inset 0 0 0 1.5px #fff; }

/* ---------- ヒーロー ---------- */

.hero { background: var(--tint); }
.hero__img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  object-position: 53% center;
}

/* 画面幅が広いほど横長に（ロゴが必ず収まる比率） */
@media (min-width: 480px) { .hero__img { aspect-ratio: 2.2 / 1; } }

/* ---------- キャッチコピー ---------- */

.lead {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(52px, 11vw, 92px) 24px clamp(20px, 5vw, 36px);
  text-align: center;
}
.lead__copy {
  font-family: var(--serif);
  font-size: clamp(21px, 5.4vw, 31px);
  line-height: 2;
  letter-spacing: .07em;
  color: var(--brown);
  margin-bottom: .9em;
}
.lead__sub {
  color: var(--ink-soft);
  font-size: clamp(14px, 3.6vw, 15.5px);
  margin: 0;
}

/* ---------- セクション共通 ---------- */

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(56px, 12vw, 100px) 24px;
}
.section--tint {
  max-width: none;
  background: var(--tint);
}
.section--tint > * { max-width: var(--maxw); margin-inline: auto; }

.section__head { text-align: center; margin-bottom: clamp(32px, 7vw, 54px); }
.section__head h2 { margin-bottom: 0; }

.eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--gold);
  margin-bottom: 1em;
}
.eyebrow--light { color: rgba(255,255,255,.75); }

/* ---------- 2カラム ---------- */

.split { display: grid; gap: clamp(32px, 7vw, 60px); align-items: center; }
.split__media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 14px 36px rgba(74, 53, 38, .13);
}
.split__text p { color: var(--ink-soft); }

.facts {
  list-style: none; margin: 2em 0 0; padding: 1.5em 0 0;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 14px 30px;
}
.facts li { display: flex; flex-direction: column; line-height: 1.5; }
.facts strong {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--gold);
  font-weight: 600;
}
.facts span { font-size: 12.5px; color: var(--ink-soft); letter-spacing: .06em; }

/* ---------- 想い ---------- */

.concept {
  background:
    linear-gradient(rgba(48, 35, 24, .84), rgba(48, 35, 24, .88)),
    url("images/rice-field.jpg") center / cover no-repeat;
  background-attachment: scroll;
  color: #fff;
  padding: clamp(64px, 14vw, 120px) 24px;
}
.concept__inner {
  max-width: 680px; margin: 0 auto; text-align: center;
}
.concept__inner h2 { color: #fff; }
.concept__inner p { color: rgba(255,255,255,.9); }
.concept__inner p:last-child { margin-bottom: 0; }

/* ---------- ギャラリー ---------- */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: clamp(16px, 3.5vw, 26px);
}
.gallery figure { margin: 0; }
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 10px 26px rgba(74, 53, 38, .12);
}
.gallery figcaption {
  margin-top: .9em;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------- 商品 ---------- */

.product {
  display: grid;
  gap: clamp(26px, 6vw, 52px);
  align-items: center;
  background: var(--surface);
  border-radius: var(--radius);
  padding: clamp(24px, 6vw, 48px);
  box-shadow: 0 14px 40px rgba(74, 53, 38, .08);
}
.product__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 10px;
}
.product__body h3 { color: var(--brown); margin-bottom: .6em; }
.product__body > p { color: var(--ink-soft); }

.spec {
  margin: 0 0 1.8em;
  border-top: 1px solid var(--line);
}
.spec > div {
  display: flex; align-items: baseline; gap: 18px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
}
.spec dt {
  flex: 0 0 72px;
  font-size: 12.5px; letter-spacing: .1em; color: var(--ink-soft);
}
.spec dd { margin: 0; font-size: 16px; }
.spec .price {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--brown);
  letter-spacing: .02em;
}

.note { font-size: 12.5px; color: var(--ink-soft); margin: 1em 0 0; }

/* ---------- 農園について ---------- */

.access { display: grid; gap: clamp(28px, 6vw, 48px); align-items: start; }

.info { margin: 0; border-top: 1px solid var(--line); }
.info > div {
  display: flex; gap: 20px;
  padding: 16px 2px;
  border-bottom: 1px solid var(--line);
}
.info dt {
  flex: 0 0 84px;
  font-size: 12.5px; letter-spacing: .1em; color: var(--ink-soft);
  padding-top: .35em;
}
.info dd { margin: 0; line-height: 1.8; }
.info a { color: var(--brown); text-decoration-color: var(--line); text-underline-offset: 4px; }
.stars { color: var(--gold); letter-spacing: .08em; }
.muted { color: var(--ink-soft); font-size: 12.5px; margin-left: .4em; }

.map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(74, 53, 38, .12);
  background: var(--tint);
}
.map iframe {
  display: block; width: 100%; height: 320px; border: 0;
}

/* ---------- お問い合わせ ---------- */

.contact {
  background: var(--brown);
  color: #fff;
  padding: clamp(60px, 13vw, 104px) 24px;
}
.contact__inner { max-width: 680px; margin: 0 auto; text-align: center; }
.contact__inner h2 { color: #fff; }
.contact__text { color: rgba(255,255,255,.82); margin-bottom: 2.2em; }

.contact__actions {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
  margin-bottom: 2.6em;
}

.social {
  list-style: none; margin: 0; padding: 2.2em 0 0;
  border-top: 1px solid rgba(255,255,255,.18);
  display: flex; flex-wrap: wrap; gap: 12px 34px; justify-content: center;
}
.social a {
  display: inline-flex; align-items: center; gap: 9px;
  text-decoration: none;
  font-size: 14px;
  color: rgba(255,255,255,.85);
  transition: color .2s;
}
.social a:hover { color: #fff; }

/* ---------- フッター ---------- */

.footer {
  background: var(--bg);
  text-align: center;
  padding: clamp(40px, 9vw, 64px) 24px;
}
.footer img { width: 50px; height: 50px; border-radius: 50%; margin: 0 auto .9em; }
.footer__name {
  font-family: var(--serif);
  font-size: 17px; letter-spacing: .1em; color: var(--brown);
  margin-bottom: .5em;
}
.footer__addr { font-size: 13px; color: var(--ink-soft); margin-bottom: 1.8em; }
.footer__copy { font-size: 11.5px; color: var(--ink-soft); letter-spacing: .08em; margin: 0; }

/* ---------- スクロール表示アニメーション ---------- */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover { transform: none; }
}

/* =========================================================
   モバイル（〜899px）のナビゲーション
   ========================================================= */

@media (max-width: 899px) {
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 28px;
    display: grid; gap: 4px;
    box-shadow: 0 16px 30px rgba(74, 53, 38, .1);

    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .25s, transform .25s, visibility .25s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav ul { display: grid; }
  .nav ul a {
    display: block;
    padding: 14px 2px;
    font-size: 15px;
    letter-spacing: .06em;
    border-bottom: 1px solid var(--line);
  }
  .nav .btn { margin-top: 18px; text-align: center; padding: 13px 20px; }

  .br-sp { display: none; }
}

/* =========================================================
   デスクトップ（900px〜）
   ========================================================= */

@media (min-width: 900px) {
  :root { --header-h: 76px; }

  .nav-toggle { display: none; }
  .nav { display: flex; align-items: center; gap: 30px; }
  .nav ul { display: flex; gap: 28px; }
  .nav ul a {
    font-size: 14px;
    letter-spacing: .07em;
    color: var(--ink);
    position: relative;
    padding-bottom: 3px;
  }
  .nav ul a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0;
    height: 1px; background: var(--gold);
    transform: scaleX(0); transform-origin: left;
    transition: transform .3s;
  }
  .nav ul a:hover::after { transform: scaleX(1); }

  .header__brand { font-size: 18px; }
  .header__brand img { width: 42px; height: 42px; }

  .hero__img { aspect-ratio: 2.6 / 1; }

  .split { grid-template-columns: 1fr 1fr; }
  .split--rev .split__media { order: -1; }

  .product { grid-template-columns: 420px 1fr; }
  .product__media img { aspect-ratio: 1 / 1; }

  .access { grid-template-columns: 1fr 1.15fr; }
  .map iframe { height: 100%; min-height: 380px; }

  .facts { gap: 14px 44px; }
}

@media (min-width: 1200px) {
  .hero__img { aspect-ratio: 3.1 / 1; }
}