/* =============================================================
   Chaga Balance LP - style.css
============================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, p, ul, li, figure { margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Design tokens ---------- */
:root {
  --gold:        #b3874f;
  --gold-dark:   #8a6738;
  --gold-light:  #d9b87c;
  --cream:       #f5efe0;
  --cream-deep:  #ece0c4;
  --ivory:       #fbf8f2;
  --text-main:   #3a3226;
  --text-sub:    #776d5c;
  --white:       #ffffff;

  --font-en:        'Cormorant Garamond', serif;
  --font-jp-serif:  'Noto Serif JP', serif;
  --font-jp-sans:   'Noto Sans JP', sans-serif;

  --max-width: 1080px;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp-sans);
  color: var(--text-main);
  background: var(--ivory);
  line-height: 1.85;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.4; font-weight: 600; }

/* =============================================================
   HERO
============================================================= */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  background: #2c2417;
  display: flex;
}

.hero__bg-img {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__insta {
  position: absolute;
  top: 22px;
  right: 5vw;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  opacity: .85;
  transition: opacity .25s ease, transform .25s ease;
}

.hero__insta:hover { opacity: 1; transform: translateY(-2px); }
.hero__insta:focus-visible { outline: 2px solid var(--white); outline-offset: 4px; }
.hero__insta img { width: 100%; height: 100%; }

.hero__inner {
  position: relative;
  flex: 1;
  padding: 72px 5vw 96px;
}

.hero__copy {
  width: clamp(320px, 35%, 760px);
  padding-top: 8px;
}

.hero__eyebrow {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .06em;
  margin-bottom: 20px;
  color: var(--text-main);
    font-family: "游明朝 Medium", "Yu Mincho Medium", "YuMincho Medium", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", serif;

}

.hero__logo {
  width: 100%;
  margin-bottom: 28px;
}

.hero__logo img { width: 100%; height: auto; }

.hero__catch {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 18px;
}

.hero__desc {
  font-size: 14.5px;
  color: var(--text-sub);
  margin-bottom: 32px;
}

.assure {
  display: inline-block;
  background: rgba(255, 255, 255, .8);
  border: 1px solid rgba(255, 255, 255, .95);
  border-radius: 6px;
  padding: 18px 22px;
}

.assure__title { font-size: 12.5px; font-weight: 600; margin-bottom: 14px; }

.assure__badges { display: flex; gap: 26px; }

.assure__badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-sub);
}

.assure__badge img { width: 58px; height: 58px; }

.hero__circle {
  position: absolute;
  top: 50%;
  right: 5vw;
  transform: translateY(-50%);
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .88);
  border: 1px solid var(--gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px;
  font-size: 11.5px;
  font-weight: 700;
}

/* =============================================================
   特徴アイコン
============================================================= */
.features {
  background: var(--ivory);
  border-top: 1px solid var(--cream-deep);
  border-bottom: 1px solid var(--cream-deep);
  padding: 46px 0;
}

.features__list {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
}

.features__item {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.features__item + .features__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--cream-deep);
}

.features__icon { width: 42px; height: 42px; color: var(--gold); }
.features__icon svg { width: 100%; height: 100%; }
.features__label { font-size: 14px; font-weight: 700; }
.features__note { font-size: 10.5px; color: var(--text-sub); }

/* =============================================================
   チャーガとは？
============================================================= */
.about { padding: 104px 40px; }

.about__inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.about__photo {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 68%;
  border-radius: 6px;
  overflow: hidden;
}

.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

.about__photo-fade {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    90deg,
    var(--ivory) 0%,
    rgba(251, 248, 242, .9) 26%,
    rgba(251, 248, 242, .45) 46%,
    rgba(251, 248, 242, 0) 64%
  );
}

.about__text {
  position: relative;
  z-index: 2;
  max-width: 440px;
}

.about__title {
  font-family: var(--font-jp-serif);
  font-size: 32px;
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.about__title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 3px;
  background: var(--gold);
}

.about__lead { font-size: 17px; font-weight: 700; margin-bottom: 18px; }
.about__body { font-size: 14px; color: var(--text-sub); margin-bottom: 42px; max-width: 46ch; }

.about__circles { display: flex; align-items: flex-start; gap: 16px; }

.about__circle { width: 100px; text-align: center; }

.about__circle img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
}

.about__circle p { font-size: 11.5px; font-weight: 700; }

.about__connector {
  color: var(--gold);
  font-size: 22px;
  font-weight: 300;
  padding-top: 30px;
}

/* =============================================================
   選ばれる4つの理由
============================================================= */
.reasons {
  background: var(--cream);
  padding: 104px 40px;
  text-align: center;
}

.reasons__title {
  font-family: var(--font-jp-serif);
  font-size: 25px;
  margin-bottom: 66px;
}

.reasons__num {
  font-family: var(--font-jp-serif);
    font-style: italic;
  font-size: 46px;
  font-weight: 500;
  color: var(--gold);
  margin: 0 8px;
  vertical-align: -7px;
  display: inline-block;
}

.reasons__list {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  gap: 36px;
  text-align: left;
}

.reasons__item { flex: 1; min-width: 0; }

.reasons__index {
  display: block;
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 14px;
}

.reasons__icon { display: block; width: 34px; height: 34px; color: var(--gold); margin-bottom: 18px; }
.reasons__icon svg { width: 100%; height: 100%; }
.reasons__item h3 { font-size: 16px; margin-bottom: 12px; }
.reasons__item p { font-size: 13px; color: var(--text-sub); }

/* =============================================================
   品質管理体制
============================================================= */
.quality { padding: 60px 40px 104px; }

.quality__box {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--cream);
  border-radius: 10px;
  padding: 56px;
  display: flex;
  align-items: center;
  gap: 56px;
}

.quality__text { flex: 1.1; }
.quality__label { font-size: 13px; font-weight: 700; color: var(--gold-dark); margin-bottom: 12px; }
.quality__title { font-family: var(--font-jp-serif); font-size: 25px; margin-bottom: 22px; }
.quality__body { font-size: 13.5px; color: var(--text-sub); margin-bottom: 32px; max-width: 46ch; }
.quality__badges { display: flex; gap: 26px; }
.quality__badges img { width: 92px; height: 92px; }
.quality__photo { flex: 1; }
.quality__photo img { border-radius: 8px; }

/* =============================================================
   購入セクション
============================================================= */
.purchase { padding: 96px 40px 56px; }

.purchase__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 50px;
}

.purchase__product { flex: 0 0 300px; }
.purchase__text { flex: 1; min-width: 0; }

.purchase__eyebrow {
  font-family: "游明朝", "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold-dark);
  margin-bottom: 14px;
}

.purchase__title { font-family: var(--font-jp-serif); font-size: 30px; margin-bottom: 16px; }
.purchase__sub { font-size: 14px; color: var(--text-sub); margin-bottom: 28px; }

.purchase__info {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--cream-deep);
  border-radius: 6px;
  padding: 12px 20px;
  margin-bottom: 28px;
}

.purchase__info-tag {
  background: var(--text-main);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 3px;
}

.purchase__info-sep { color: var(--cream-deep); }

.purchase__price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 32px; }
.purchase__price-label { font-size: 13px; font-weight: 600; }
.purchase__price-value { font-size: 36px; font-weight: 700; }
.purchase__price-value small { font-size: 17px; font-weight: 600; margin-left: 2px; }
.purchase__price-tax { font-size: 12px; color: var(--text-sub); }

.purchase__btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(180deg, #cfa868, #997337);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 19px 46px;
  border-radius: 999px;
  box-shadow: 0 14px 24px rgba(138, 103, 56, .3);
  transition: transform .25s ease, box-shadow .25s ease;
}

.purchase__btn:hover { transform: translateY(-2px); box-shadow: 0 18px 30px rgba(138, 103, 56, .38); }
.purchase__btn:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 3px; }
.purchase__btn-icon { width: 20px; height: 20px; }
.purchase__btn-arrow { font-size: 22px; margin-left: 4px; }

.purchase__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.purchase__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  padding: 14px 32px;
  border: 1px solid var(--cream-deep);
  border-radius: 999px;
  transition: background .25s ease, border-color .25s ease, color .25s ease;
}

.purchase__btn-secondary:hover { background: var(--cream-deep); color: var(--text-main); }
.purchase__btn-secondary:focus-visible { outline: 2px solid var(--gold-dark); outline-offset: 3px; }

.purchase__circle {
  flex: 0 0 108px;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
}

.purchase__circle span { display: block; margin-top: 2px; font-size: 22px; color: var(--gold-dark); }

.purchase__footnote {
  max-width: var(--max-width);
  margin: 52px auto 0;
  padding: 24px 40px 0;
  border-top: 1px solid var(--cream-deep);
  font-size: 10.5px;
  line-height: 1.9;
  color: var(--text-sub);
}

/* =============================================================
   レスポンシブ
============================================================= */
@media (max-width: 960px) {
  .quality__box,
  .purchase__inner { flex-direction: column; align-items: flex-start; }
  .quality__photo { width: 100%; }

  .about__inner {
    display: block;
    min-height: 0;
  }
  .about__photo {
    position: static;
    width: 100%;
    height: 320px;
    margin-bottom: 40px;
  }
  .about__photo-fade { display: none; }
  .about__text { max-width: none; }

  .reasons__list { flex-wrap: wrap; row-gap: 48px; }
  .reasons__item { flex: 0 0 calc(50% - 18px); }
  .purchase__circle { align-self: flex-start; }
}

@media (max-width: 720px) {
  .hero { min-height: 640px; }
  .hero__inner { padding: 56px 6vw 150px; }
  .hero__insta { top: 22px; right: 6vw; width: 36px; height: 36px; }
  .hero__circle {
    top: auto;
    bottom: 20px;
    right: 6vw;
    transform: none;
    width: 92px;
    height: 92px;
    font-size: 10px;
    padding: 10px;
  }
  .hero__catch { font-size: 19px; }

  .features__list { flex-wrap: wrap; justify-content: center; row-gap: 28px; padding: 0 24px; }
  .features__item { flex: 0 0 33.33%; }
  .features__item:nth-child(3n+1)::before { display: none; }

  .about,
  .reasons,
  .quality,
  .purchase { padding-left: 24px; padding-right: 24px; }

  .about__circles { flex-wrap: wrap; justify-content: center; row-gap: 20px; gap: 10px; }
  .about__circle { width: 84px; }
  .about__circle img { width: 74px; height: 74px; }
  .reasons__list { gap: 40px 20px; }
  .reasons__item { flex: 0 0 calc(50% - 10px); }
  .quality__box { padding: 32px 24px; }

  .purchase__product { width: 60%; }
  .purchase__inner { align-items: center; }
  .purchase__circle { position: static; margin: 24px auto 0; }
  .purchase__actions { gap: 12px; }
  .purchase__btn-secondary { padding: 12px 24px; font-size: 12px; }
}