/* ============================================================
   base.css — CSS変数・リセット・共通パーツ
   ============================================================ */

/* ===== CSS VARIABLES ===== */
:root {
  /* ── ベース（元の温かみクリーム・維持） ── */
  --color-cream:        #FAF6F3;
  --color-off-white:    #F5EFE9;
  --color-beige:        #E8DCC8;
  --color-beige-mid:    #D4C4A8;
  --color-white:        #FFFFFF;
  /* ── ダスティローズ（セカンダリアクセント） ── */
  --color-sage:         #C87878;
  --color-sage-light:   #E0B4B4;
  --color-sage-pale:    #FAF2F2;
  /* ── ゴールド（メインアクセント・維持） ── */
  --color-gold:         #C4A35A;
  --color-gold-light:   #E8D4A0;
  --color-gold-pale:    #F7F0DC;
  /* ── ライトブラッシュ（ハイライト・薄背景） ── */
  --color-pink:         #EDAEC4;
  --color-pink-light:   #F7D8E4;
  /* ── テキスト ── */
  --color-text:         #1E1610;
  --color-text-mid:     #4A3C34;
  --color-text-light:   #8A7A70;
  /* ── ダーク背景 ── */
  --color-dark:         #1c2b22;
  --color-dark-warm:    #111a15;
  /* ── ミディアムローズ（ボーダー・区切り等） ── */
  --color-rose:         #B86070;
  --color-rose-light:   #D4909A;
  --color-line:         #06C755;
  --color-line-dark:    #059943;
  --font-mincho:        'Shippori Mincho', 'ヒラギノ明朝 Pro', 'Hiragino Mincho Pro', serif;
  --font-gothic:        'Noto Sans JP', 'ヒラギノ角ゴシック', 'Hiragino Sans', sans-serif;
  --font-en:            'Cormorant Garamond', Georgia, serif;
  --section-gap:        128px;
  --section-gap-sm:     80px;
  --container-max:      1600px;
  --container-pad:      clamp(20px, 3vw, 56px);
  --transition:         0.3s ease;
  --radius-sm:          4px;
  --radius-md:          8px;
  --radius-lg:          16px;
  --radius-xl:          24px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-gothic); font-size: 16px; line-height: 1.9; color: var(--color-text); background-color: var(--color-cream); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; word-break: break-word; }
a { color: inherit; text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.75; }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ===== IMAGE SLOT (klab_img_slot 内の picture / img) ===== */
.klab-cover-picture { display: block; width: 100%; height: 100%; }
.klab-cover-img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* ===== IMAGE PLACEHOLDER ===== */
.klab-placeholder { background: #f0ece6 !important; position: relative; }
.klab-placeholder__inner {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 20px;
  border: 2px dashed #c8bfb0;
  color: #a09080;
  text-align: center;
  pointer-events: none;
}
.klab-placeholder__file { font-family: monospace; font-size: 13px; font-weight: 600; color: #7a6a5a; letter-spacing: .04em; }
.klab-placeholder__label { font-size: 12px; color: #9a8a78; letter-spacing: .04em; }
.klab-placeholder__hint { font-size: 11px; color: #b0a090; background: rgba(255,255,255,.6); border-radius: 4px; padding: 4px 10px; margin-top: 4px; }

/* ===== UTILITY ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); }
.sp-only { display: none; }
.pc-only { display: inline; }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 100px; font-family: var(--font-mincho); font-size: 14px; font-weight: 500; letter-spacing: 0.08em; transition: all var(--transition); cursor: pointer; text-align: center; white-space: nowrap; }
.btn--primary { background: var(--color-gold); color: var(--color-white); border: 1.5px solid var(--color-gold); }
.btn--primary:hover { background: #b5923e; border-color: #b5923e; opacity: 1; }
.btn--outline { background: transparent; color: var(--color-text); border: 1.5px solid var(--color-beige-mid); }
.btn--outline:hover { border-color: var(--color-gold); color: var(--color-gold); opacity: 1; }
.btn--outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.6); }
.btn--outline-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; opacity: 1; }
.btn--cart { width: 100%; background: var(--color-sage); color: var(--color-white); border: 1.5px solid var(--color-sage); font-size: 13px; padding: 10px 20px; }
.btn--cart:hover { background: #7a8e7a; border-color: #7a8e7a; opacity: 1; }
.btn--line { background: var(--color-line); color: var(--color-white); border: 1.5px solid var(--color-line); font-size: 16px; padding: 16px 40px; }
.btn--line:hover { background: var(--color-line-dark); border-color: var(--color-line-dark); opacity: 1; }
.btn--sage { background: var(--color-sage); color: #fff; border: none; padding: 12px 28px; border-radius: 24px; font-size: 14px; letter-spacing: .06em; text-decoration: none; transition: all var(--transition); }
.btn--sage:hover { background: #6e8a6e; opacity: 1; color: #fff; }

/* ===== TAGS ===== */
.tag { display: inline-block; padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 500; letter-spacing: 0.05em; background: var(--color-sage-pale); color: var(--color-sage); border: 1px solid var(--color-sage-light); }
.tag--concern { background: var(--color-gold-pale); color: var(--color-gold); border-color: var(--color-gold-light); }
.tag--light { background: rgba(255,255,255,0.2); color: var(--color-white); border-color: rgba(255,255,255,0.3); }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header__en { font-family: var(--font-en); font-size: 12px; font-weight: 400; letter-spacing: 0.25em; color: var(--color-gold); text-transform: uppercase; margin-bottom: 12px; }
.section-header__ja { font-family: var(--font-mincho); font-size: clamp(24px, 3vw, 32px); font-weight: 500; letter-spacing: 0.1em; color: var(--color-text); margin-bottom: 16px; line-height: 1.4; }
.section-header--light .section-header__ja { color: var(--color-white); }
.section-header--light .section-header__desc { color: rgba(255,255,255,0.8); }
.section-header__desc { font-size: 14px; color: var(--color-text-mid); line-height: 1.8; max-width: 480px; margin: 0 auto; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

/* ===== FLOATING LINE ===== */
.floating-line { position: fixed; bottom: 32px; right: 32px; z-index: 90; opacity: 0; transform: translateY(16px); transition: all var(--transition); pointer-events: none; }
.floating-line.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.floating-line__btn { display: flex; align-items: center; gap: 8px; padding: 14px 22px; background: var(--color-line); color: white; border-radius: 100px; font-size: 14px; font-weight: 700; box-shadow: 0 8px 24px rgba(6,199,85,0.4); transition: all var(--transition); letter-spacing: 0.04em; }
.floating-line__btn:hover { background: var(--color-line-dark); box-shadow: 0 12px 32px rgba(6,199,85,0.5); transform: translateY(-2px); opacity: 1; }

/* ===== SEARCH OVERLAY ===== */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(30, 26, 24, 0.70);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 72px 20px 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.search-overlay.is-open {
  opacity: 1;
  visibility: visible;
}
.search-overlay__panel {
  width: 100%;
  max-width: 680px;
  background: var(--color-white);
  border-radius: 20px;
  padding: 44px 48px 48px;
  position: relative;
  transform: translateY(-18px);
  transition: transform 0.3s ease;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.search-overlay.is-open .search-overlay__panel {
  transform: translateY(0);
}
.search-overlay__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-mid);
  transition: background var(--transition), color var(--transition);
}
.search-overlay__close:hover {
  background: var(--color-beige);
  color: var(--color-text);
}
.search-overlay__eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.search-overlay__title {
  font-family: var(--font-mincho);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: .06em;
  margin-bottom: 24px;
}
.search-overlay__input-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  border: 2px solid var(--color-beige);
  border-radius: 100px;
  background: var(--color-off-white);
  padding: 5px 5px 5px 20px;
  transition: border-color var(--transition);
}
.search-overlay__input-wrap:focus-within {
  border-color: var(--color-sage);
}
.search-overlay__input-icon {
  flex-shrink: 0;
  color: var(--color-text-light);
  margin-right: 10px;
}
.search-overlay__input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-mincho);
  font-size: 15px;
  color: var(--color-text);
  outline: none;
  padding: 9px 0;
  min-width: 0;
}
.search-overlay__input::placeholder { color: var(--color-text-light); }
.search-overlay__submit {
  flex-shrink: 0;
  background: var(--color-sage);
  color: #fff;
  border: none;
  border-radius: 100px;
  padding: 10px 26px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  font-family: var(--font-mincho);
  cursor: pointer;
  transition: background var(--transition);
}
.search-overlay__submit:hover { background: #7a8e7a; }
.search-overlay__suggests { margin-top: 28px; }
.search-overlay__suggests-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.search-overlay__tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.search-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 100px;
  border: 1px solid var(--color-beige);
  background: var(--color-white);
  font-size: 12px;
  color: var(--color-text-mid);
  font-family: var(--font-mincho);
  transition: all var(--transition);
  white-space: nowrap;
}
.search-tag:hover {
  background: var(--color-sage-pale);
  border-color: var(--color-sage-light);
  color: var(--color-text);
  opacity: 1;
}

/* ===== MEDIA QUERIES ===== */
@media (max-width: 767px) {
  .sp-only { display: inline; }
  .pc-only { display: none; }
}
@media (max-width: 900px) {
  :root { --section-gap: 72px; --section-gap-sm: 48px; }
}
@media (max-width: 640px) {
  :root { --section-gap: 56px; --section-gap-sm: 40px; --container-pad: 20px; }
  .floating-line { bottom: 16px; right: 16px; }
  .btn { white-space: normal; }
}
@media (max-width: 768px) {
  .search-overlay { padding: 56px 16px 32px; }
  .search-overlay__panel { padding: 32px 24px 36px; border-radius: 16px; }
  .search-overlay__title { font-size: 18px; margin-bottom: 20px; }
  .search-overlay__submit { padding: 10px 18px; }
}