/* =====================
   RESET & BASE
===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --camel: #c8945a;
  --camel-light: #d4a574;
  --brown-dark: #2c1a0e;
  --brown-mid: #4a2e1a;
  --brown-soft: #6b3f22;
  --cream: #f5f0e8;
  --cream-dark: #ede5d8;
  --white: #fff;
  --gray-text: #6b6255;
  --font-en: 'Cormorant Garamond', Georgia, serif;
  --font-jp: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  color: var(--brown-dark);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* =====================
   BUTTONS
===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}
.btn--outline { border-color: var(--white); color: var(--white); background: transparent; }
.btn--outline:hover { background: var(--white); color: var(--brown-dark); }
.btn--outline-dark { border-color: var(--brown-dark); color: var(--brown-dark); background: transparent; }
.btn--outline-dark:hover { background: var(--brown-dark); color: var(--white); }
.btn--dark { background: var(--brown-dark); color: var(--white); border-color: var(--brown-dark); }
.btn--dark:hover { background: var(--brown-mid); border-color: var(--brown-mid); }
.btn--light { background: var(--white); color: var(--brown-dark); border-color: var(--white); }
.btn--light:hover { background: var(--cream); }

/* =====================
   SECTION HEADERS
===================== */
.section-header { text-align: center; margin-bottom: 48px; }
.section-eyebrow { font-family: var(--font-en); font-size: 0.7rem; letter-spacing: 0.2em; color: var(--camel); margin-bottom: 12px; }
.section-title { font-family: var(--font-en); font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 400; letter-spacing: 0.18em; color: var(--brown-dark); margin-bottom: 10px; }
.section-sub { font-family: var(--font-jp); font-size: 0.8rem; color: var(--gray-text); letter-spacing: 0.08em; }

/* =====================
   HEADER
   ポイント：
   - position: fixed でページ最上部に固定
   - background: transparent で透明
   - heroセクションが上にくるよう hero に margin-top: -72px
===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: none;
  transition: background 0.4s ease, backdrop-filter 0.4s ease;
}

/* スクロール後：半透明ダーク */
.header.scrolled {
  background: rgba(20, 12, 6, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ロゴ：白 */
.header__logo { display: flex; flex-direction: column; line-height: 1; }
.logo-valo { font-family: var(--font-en); font-size: 1.5rem; font-weight: 500; letter-spacing: 0.15em; color: var(--white); }
.logo-sub { font-family: var(--font-en); font-size: 0.5rem; letter-spacing: 0.22em; color: rgba(255,255,255,0.65); margin-top: 2px; }

/* ナビ：白 */
.header__nav ul { display: flex; gap: 36px; }
.header__nav a { font-family: var(--font-en); font-size: 0.7rem; letter-spacing: 0.18em; color: rgba(255,255,255,0.9); transition: color 0.2s; }
.header__nav a:hover { color: var(--camel-light); }

/* アイコン：白 */
.header__icons { display: flex; align-items: center; gap: 20px; }
.header__icons a { color: rgba(255,255,255,0.9); transition: color 0.2s; }
.header__icons a:hover { color: var(--camel-light); }

/* ハンバーガー */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--white); transition: all 0.3s; }

/* =====================
   HERO
   margin-top: -72px でヘッダーの高さ分上に引き上げ、
   ヘッダーとheroが重なるようにする
===================== */
.hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  margin-top: -72px;        /* ← ヘッダー高さ分を引き上げ */
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; }
.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero__img.active { opacity: 1; }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(20,10,4,0.65) 0%, rgba(20,10,4,0.3) 60%, rgba(20,10,4,0.05) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 8vw;
  max-width: 700px;
  margin-top: 72px;         /* コンテンツをヘッダー分だけ下げて中央に */
}
.hero__eyebrow { font-family: var(--font-en); font-size: 0.7rem; letter-spacing: 0.25em; color: var(--camel-light); margin-bottom: 20px; }
.hero__title { font-family: var(--font-jp); font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 300; color: var(--white); line-height: 1.5; margin-bottom: 20px; letter-spacing: 0.05em; }
.hero__desc { font-family: var(--font-jp); font-size: 0.82rem; color: rgba(255,255,255,0.82); margin-bottom: 36px; line-height: 2; letter-spacing: 0.06em; }

.hero__dots { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 2; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(255,255,255,0.4); transition: background 0.3s, transform 0.3s; cursor: pointer; }
.dot.active { background: var(--white); transform: scale(1.4); }
.dot:hover { background: rgba(255,255,255,0.75); }

/* =====================
   PRODUCTS
===================== */
.products { padding: 96px 6vw; background: var(--white); }
.products__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1100px; margin: 0 auto 48px; }
.product-card__img-wrap { display: block; aspect-ratio: 4/3; overflow: hidden; }
.product-card__img-wrap img { transition: transform 0.5s ease; }
.product-card__img-wrap:hover img { transform: scale(1.04); }
.product-card__info { padding: 14px 0 0; }
.product-card__info h3 { font-family: var(--font-en); font-size: 0.72rem; letter-spacing: 0.18em; font-weight: 500; margin-bottom: 4px; }
.product-card__info .price { font-family: var(--font-jp); font-size: 0.78rem; color: var(--gray-text); }
.products__cta { text-align: center; }

/* =====================
   ABOUT
===================== */
.about { padding: 96px 6vw; background: var(--cream); }
.about__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; max-width: 1100px; margin: 0 auto; }
.about__text { order: 1; }
.about__img-wrap { order: 2; aspect-ratio: 4/3; overflow: hidden; }
.about__img-wrap img { border-radius: 2px; }
.about__title { font-family: var(--font-jp); font-size: clamp(1.2rem, 2.5vw, 1.7rem); font-weight: 400; line-height: 1.7; margin: 16px 0 20px; letter-spacing: 0.04em; }
.about__desc { font-family: var(--font-jp); font-size: 0.82rem; color: var(--gray-text); line-height: 2.2; margin-bottom: 32px; letter-spacing: 0.05em; }

/* =====================
   FEATURES
===================== */
.features { padding: 80px 6vw; background: var(--white); border-top: 1px solid var(--cream-dark); border-bottom: 1px solid var(--cream-dark); }
.features__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; max-width: 1000px; margin: 0 auto; text-align: center; }
.feature-icon { width: 52px; height: 52px; margin: 0 auto 16px; color: var(--camel); }
.feature-icon svg { width: 100%; height: 100%; }
.feature-item h3 { font-family: var(--font-jp); font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em; margin-bottom: 8px; color: var(--brown-dark); }
.feature-item p { font-family: var(--font-jp); font-size: 0.73rem; color: var(--gray-text); line-height: 1.9; }

/* =====================
   JOURNAL
===================== */
.journal { padding: 96px 6vw; background: var(--white); }
.journal__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1100px; margin: 0 auto 48px; }
.journal-card__img-wrap { display: block; aspect-ratio: 4/3; overflow: hidden; position: relative; }
.journal-card__img-wrap img { transition: transform 0.5s ease; }
.journal-card__img-wrap:hover img { transform: scale(1.04); }
.tag-new { position: absolute; top: 12px; left: 12px; background: var(--cream); color: var(--brown-dark); font-family: var(--font-en); font-size: 0.65rem; letter-spacing: 0.15em; padding: 4px 10px; z-index: 2; }
.journal-card__info { padding: 12px 0 0; }
.journal-card__info time { font-family: var(--font-en); font-size: 0.68rem; color: var(--camel); letter-spacing: 0.1em; display: block; margin-bottom: 6px; }
.journal-card__info h3 { font-family: var(--font-jp); font-size: 0.78rem; font-weight: 400; line-height: 1.7; color: var(--brown-dark); }
.journal__cta { text-align: center; }

/* =====================
   SHOP CTA
===================== */
.shop-cta { background: var(--brown-dark); padding: 40px 6vw; }
.shop-cta__inner { display: flex; align-items: center; justify-content: space-between; max-width: 900px; margin: 0 auto; gap: 24px; }
.shop-cta__label { font-family: var(--font-jp); font-size: 1rem; color: var(--white); font-weight: 400; letter-spacing: 0.06em; }
.shop-cta__note { font-family: var(--font-jp); font-size: 0.72rem; color: rgba(255,255,255,0.6); margin-top: 4px; letter-spacing: 0.05em; }
.shop-cta__btn { flex-shrink: 0; }

/* =====================
   FOOTER
===================== */
.footer { background: var(--brown-dark); border-top: 1px solid rgba(255,255,255,0.08); color: rgba(255,255,255,0.7); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1.5fr 1.5fr; gap: 48px; max-width: 1100px; margin: 0 auto; padding: 64px 6vw 48px; }
.footer__logo { display: flex; flex-direction: column; margin-bottom: 20px; }
.footer .logo-valo { color: var(--white); font-size: 1.4rem; }
.footer .logo-sub { color: var(--camel); }
.footer__tagline { font-family: var(--font-jp); font-size: 0.72rem; line-height: 2; letter-spacing: 0.05em; }
.footer__nav h4, .footer__info h4, .footer__social h4 { font-family: var(--font-en); font-size: 0.65rem; letter-spacing: 0.2em; color: var(--white); margin-bottom: 16px; }
.footer__nav ul, .footer__info ul { display: flex; flex-direction: column; gap: 10px; }
.footer__nav a, .footer__info a { font-family: var(--font-jp); font-size: 0.72rem; color: rgba(255,255,255,0.6); letter-spacing: 0.06em; transition: color 0.2s; }
.footer__nav a:hover, .footer__info a:hover { color: var(--camel); }
.footer__social a { color: rgba(255,255,255,0.7); display: inline-block; margin-bottom: 16px; transition: color 0.2s; }
.footer__social a:hover { color: var(--camel); }
.footer__imgs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 12px; }
.footer__imgs img { aspect-ratio: 1; object-fit: cover; opacity: 0.7; transition: opacity 0.2s; }
.footer__imgs img:hover { opacity: 1; }
.footer__bottom { text-align: center; padding: 20px 6vw; border-top: 1px solid rgba(255,255,255,0.08); }
.footer__bottom p { font-family: var(--font-en); font-size: 0.65rem; letter-spacing: 0.12em; color: rgba(255,255,255,0.35); }

/* =====================
   RESPONSIVE — TABLET
===================== */
@media (max-width: 900px) {
  .header { padding: 0 24px; }
  .header__nav { display: none; }
  .hamburger { display: flex; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .about__img-wrap { order: -1; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .journal__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .shop-cta__inner { flex-direction: column; text-align: center; }
}

/* =====================
   RESPONSIVE — MOBILE
===================== */
@media (max-width: 560px) {
  .header { padding: 0 20px; height: 60px; }
  .hero { margin-top: -60px; }
  .hero__content { padding: 0 6vw; margin-top: 60px; }
  .hero__title { font-size: 1.8rem; }
  .hero__desc { font-size: 0.78rem; }
  .products { padding: 64px 5vw; }
  .products__grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .about { padding: 64px 5vw; }
  .features { padding: 56px 5vw; }
  .features__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .journal { padding: 64px 5vw; }
  .journal__grid { grid-template-columns: 1fr; gap: 28px; }
  .journal-card { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: start; }
  .journal-card__img-wrap { aspect-ratio: 1; }
  .journal-card--featured { display: block; }
  .journal-card--featured .journal-card__img-wrap { aspect-ratio: 4/3; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; padding: 48px 5vw 32px; }
  .footer__imgs { grid-template-columns: repeat(4, 1fr); }
  .shop-cta { padding: 36px 5vw; }
}

/* =====================
   MOBILE NAV OVERLAY
===================== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--brown-dark);
  z-index: 400;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
}
.nav-open .nav-overlay { display: flex; }
.nav-overlay a {
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: 0.28em;
  color: rgba(255,255,255,0.85);
  transition: color 0.2s;
}
.nav-overlay a:hover { color: var(--camel-light); }
.nav-overlay__close {
  position: absolute;
  top: 20px; right: 24px;
  background: none; border: none;
  cursor: pointer; padding: 8px;
}
.nav-overlay__close span {
  display: block; width: 24px; height: 1.5px;
  background: var(--white);
}
.nav-overlay__close span:nth-child(1) { transform: translateY(0.75px) rotate(45deg); }
.nav-overlay__close span:nth-child(2) { transform: translateY(-0.75px) rotate(-45deg); }
.hamburger { z-index: 500; }
.nav-open .hamburger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* =====================
   SCROLL ANIMATION
===================== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: none; }