@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Noto+Sans+JP:wght@300;400;500&family=Lato:wght@300;400&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white: #fff;
  --off-white: #f8f7f5;
  --light-gray: #efefed;
  --border: #e0deda;
  --text: #1a1a1a;
  --text-mid: #555;
  --text-light: #999;
  --accent: #1a1a1a;
  --font-en: 'Cormorant Garamond', serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-num: 'Lato', sans-serif;
}

body { font-family: var(--font-jp); color: var(--text); background: var(--white); font-size: 14px; line-height: 1.8; -webkit-font-smoothing: antialiased; }

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

a { color: inherit; text-decoration: none; }

/* ========== HEADER ========== */
.lp-header { padding: 20px 0; text-align: center; border-bottom: 1px solid var(--border); }
.lp-header .series-name { font-family: var(--font-en); font-size: 13px; font-weight: 400; letter-spacing: 0.2em; color: var(--text-light); text-transform: uppercase; }

/* ========== FV ========== */
.fv { position: relative; overflow: hidden; }
.fv-pc { display: block; }
.fv-sp { display: none; }
.fv-text { position: absolute; bottom: 48px; left: 50%; transform: translateX(-50%); text-align: center; width: 100%; }
.fv-catch { font-family: var(--font-en); font-size: 38px; font-weight: 300; color: var(--white); letter-spacing: 0.08em; line-height: 1.3; text-shadow: 0 1px 12px rgba(0,0,0,0.18); }
.fv-sub { font-size: 12px; font-weight: 300; color: var(--white); letter-spacing: 0.18em; margin-top: 10px; text-shadow: 0 1px 8px rgba(0,0,0,0.18); }

/* ========== SECTION BASE ========== */
.section { padding: 64px 0; }
.section-inner { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.section-en { font-family: var(--font-en); font-size: 18px; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-light); margin-bottom: 10px; text-align: center;}
.section-title { font-size: 18px; font-weight: 400; letter-spacing: 0.08em; margin-bottom: 28px; }
.section-divider { width: 32px; height: 1px; background: var(--border); margin: 0 auto 36px; }

/* ========== CONCEPT ========== */
.concept { background: var(--off-white); }
.concept-text { font-size: 12px; font-weight: 300; line-height: 2.1; color: var(--text-mid); text-align: center; }
.concept-text br { display: block; }

/* ========== ICONS ========== */
.icons { background: var(--white); }
.icon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.icon-item { text-align: center; padding: 28px 16px; border: 1px solid var(--border); }
.icon-item .ic-img { width: 64px; height: 64px; margin: 0 auto 14px; }
.icon-item .ic-img img { width: 100%; height: 100%; object-fit: contain; }
.icon-item .ic-img svg { width: 100%; height: 100%; }
.icon-item .ic-text-only { width: 64px; height: 64px; margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 50%; }
.icon-item .ic-text-only span { font-family: var(--font-num); font-size: 12px; font-weight: 300; letter-spacing: 0.05em; color: var(--text-mid); text-align: center; line-height: 1.4; }
.icon-item .ic-name { font-size: 13px; font-weight: 500; letter-spacing: 0.05em; margin-bottom: 8px; }
.icon-item .ic-desc { font-size: 12px; font-weight: 300; color: var(--text-mid); line-height: 1.7; }

/* ========== LINEUP ========== */
.lineup { background: var(--off-white); }
.lineup-nav { display: flex; gap: 0; border: 1px solid var(--border); overflow: hidden; }
.lineup-nav a { flex: 1; text-align: center; padding: 14px 8px; font-size: 12px; font-weight: 300; letter-spacing: 0.05em; color: var(--text); background: var(--white); border-right: 1px solid var(--border); transition: background 0.2s, color 0.2s; line-height: 1.5; }
.lineup-nav a:last-child { border-right: none; }
.lineup-nav a:hover { background: var(--text); color: var(--white); }
.lineup-nav a .num { font-family: var(--font-num); font-size: 12px; font-weight: 300; color: var(--text-light); display: block; margin-bottom: 2px; letter-spacing: 0.1em; }
.lineup-nav a:hover .num { color: rgba(255,255,255,0.6); }

/* ========== ITEM ========== */
.item-section { padding: 72px 0; border-top: 1px solid var(--border); }
.item-section:first-of-type { border-top: none; }
.item-inner { max-width: 860px; margin: 0 auto; padding: 0 24px; }
.item-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.item-grid.reverse { direction: rtl; }
.item-grid.reverse > * { direction: ltr; }
.item-image { aspect-ratio: 760/980; overflow: hidden; background: var(--light-gray); }
.item-image img { width: 100%; height: 100%; object-fit: cover; }
.item-info { padding-top: 8px; }
.item-no { font-family: var(--font-num); font-size: 14px; font-weight: 300; color: var(--text-light); letter-spacing: 0.15em; margin-bottom: 10px; }
.item-name { font-size: 16px; font-weight: 400; letter-spacing: 0.06em; line-height: 1.5; margin-bottom: 14px; }
.item-price { font-family: var(--font-num); font-size: 22px; font-weight: 300; letter-spacing: 0.05em; margin-bottom: 24px; }
.item-price span { font-size: 13px; font-weight: 300; margin-left: 2px; }
.item-divider { width: 100%; height: 1px; background: var(--border); margin-bottom: 20px; }

.item-label { font-size: 14px; font-weight: 400; letter-spacing: 0.12em; color: var(--text-light); margin-bottom: 10px; }
.color-list { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.color-swatch { cursor: pointer; text-align: center; }
.color-dot { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--border); position: relative; margin: 0 auto; transition: box-shadow 0.2s; }
.color-swatch.active .color-dot { box-shadow: 0 0 0 2px var(--white), 0 0 0 3px var(--text); }
.color-dot[data-color="ブラック"] { background: #1a1a1a; }
.color-dot[data-color="ホワイト"] { background: #fff; border-color: #ccc; }
.color-dot[data-color="チャコールグレー"] { background: #6b6b6b; }
.color-dot[data-color="ベージュ"] { background: #c8b49a; }
.color-name { font-size: 14px; font-weight: 300; color: var(--text-mid); margin-top: 4px; }
.color-swatch.active .color-name { color: var(--text); font-weight: 400; }

/* カラバリ画像切り替え */
.item-image { position: relative; aspect-ratio: 760/980; overflow: hidden; background: var(--light-gray); }
.item-image img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.35s ease; }
.item-image img.active { opacity: 1; }

.size-list { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.size-tag { font-family: var(--font-num); font-size: 12px; font-weight: 300; padding: 4px 12px; border: 1px solid var(--border); letter-spacing: 0.08em; }
.size-note { font-size: 14px; font-weight: 300; color: var(--text-mid); line-height: 1.7; margin-bottom: 24px; padding: 12px; background: var(--off-white); border-left: 2px solid var(--border); }
.size-note .size-note-item { margin-bottom: 4px; }
.size-note .size-note-item:last-child { margin-bottom: 0; }

.btn-buy { display: block; width: 100%; padding: 16px; background: var(--text); color: var(--white); text-align: center; font-size: 13px; font-weight: 300; letter-spacing: 0.2em; margin-top: 28px; transition: opacity 0.2s; }
.btn-buy:hover { opacity: 0.75; }

/* ========== FOOTER ========== */
.lp-footer { padding: 40px 24px; text-align: center; border-top: 1px solid var(--border); background: var(--off-white); }
.lp-footer p { font-size: 14px; font-weight: 300; color: var(--text-light); letter-spacing: 0.1em; }

/* ========== FADE IN ========== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========== SP ========== */
@media (max-width: 767px) {
  .fv-pc { display: none; }
  .fv-sp { display: block; }
  .fv-catch { font-size: 24px; }
  .fv-text { bottom: 28px; }
  .section { padding: 48px 0; }
  .icon-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .item-grid, .item-grid.reverse { grid-template-columns: 1fr; direction: ltr; gap: 28px; }
  .item-grid.reverse .item-image { order: -1; }
  .lineup-nav { flex-direction: column; }
  .lineup-nav a { border-right: none; border-bottom: 1px solid var(--border); }
  .lineup-nav a:last-child { border-bottom: none; }
  .item-section { padding: 48px 0; }
}