/* =============================================
   LandKit Pro — base.css
   リセット / CSS変数 / ユーティリティ
   ============================================= */

/* ── CSS変数（デフォルト値。css-generatorで上書きされる） ── */
:root {
  --lk-theme:        #1a1a2e;
  --lk-accent:       #e94560;
  --lk-text:         #1a1a2e;
  --lk-bg:           #ffffff;
  --lk-bg-alt:       #f7f7fb;
  --lk-border:       #e5e7eb;
  --lk-muted:        #6b7280;

  --lk-font-ja:      'Noto Sans JP', sans-serif;
  --lk-font-en:      'Albert Sans', sans-serif;

  --lk-radius:       8px;
  --lk-radius-lg:    16px;
  --lk-radius-full:  9999px;

  --lk-shadow-sm:    0 1px 4px rgba(0,0,0,.07);
  --lk-shadow:       0 4px 20px rgba(0,0,0,.09);
  --lk-shadow-lg:    0 12px 48px rgba(0,0,0,.13);

  --lk-container:    1200px;
  --lk-section-py:   clamp(60px, 9vw, 100px);
  --lk-transition:   .25s cubic-bezier(.4,0,.2,1);

  --lk-logo-size:    130px;
}

/* ── リセット ── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--lk-font-ja);
  font-size: clamp(14px,1.5vw,16px);
  line-height: 1.8;
  color: var(--lk-text);
  background: var(--lk-bg);
  -webkit-font-smoothing: antialiased;
}
img,video,svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul,ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── コンテナ ── */
.lk-container {
  width: 100%;
  max-width: var(--lk-container);
  margin-inline: auto;
  padding-inline: clamp(16px,5vw,40px);
}

/* ── セクション共通 ── */
.lk-section { padding-block: var(--lk-section-py); }
.lk-section--alt { background: var(--lk-bg-alt); }

/* ── セクションヘッド ── */
.lk-sec-head { text-align: center; margin-bottom: clamp(32px,5vw,56px); }
.lk-sec-label {
  display: inline-block;
  font-family: var(--lk-font-en);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lk-accent);
  margin-bottom: .5rem;
}
.lk-sec-title {
  font-family: var(--lk-font-ja);
  font-size: clamp(1.4rem,3.5vw,2.25rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--lk-theme);
}
.lk-sec-title + .lk-sec-desc {
  margin-top: 1rem;
  color: var(--lk-muted);
  font-size: .95rem;
  max-width: 600px;
  margin-inline: auto;
}

/* ── スクロールアニメ ── */
.lk-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s ease, transform .65s ease;
}
.lk-reveal.is-visible { opacity: 1; transform: none; }
.lk-reveal[data-delay="1"] { transition-delay: .1s; }
.lk-reveal[data-delay="2"] { transition-delay: .2s; }
.lk-reveal[data-delay="3"] { transition-delay: .3s; }
.lk-reveal[data-delay="4"] { transition-delay: .4s; }

/* ── ユーティリティ ── */
.lk-hide-sp  { display: block; }
.lk-hide-pc  { display: none; }
@media(max-width:767px) {
  .lk-hide-sp { display: none !important; }
  .lk-hide-pc { display: block; }
}

/* ── YouTube埋め込み ── */
.lk-yt-wrap {
  position: relative;
  padding-top: 56.25%;
  border-radius: var(--lk-radius-lg);
  overflow: hidden;
}
.lk-yt-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── アイコン ── */
.lk-icon { width: 1.25em; height: 1.25em; flex-shrink: 0; fill: currentColor; vertical-align: middle; }