/* ============================================
   笠原開発 — ライト＆クリーン企業テーマ
   （Good Days風 / kasahara-town.com）
   ============================================ */
:root {
  --k-bg: #ffffff;
  --k-bg2: #f6f4ef;
  --k-bg3: #efece5;
  --k-line: #e4e0d7;
  --k-ink: #2b2a27;
  --k-sub: #6f6c66;
  --k-muted: #9a968e;
  --k-accent: #4a5d3a;      /* 深緑 — まちづくり */
  --k-accent-l: #6b7c3e;
  --k-gold: #b89a5e;
  --k-sans: 'Noto Sans JP', -apple-system, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --k-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
  --k-cw: 1120px;
  --k-px: clamp(20px, 5vw, 56px);
}
.kk { background: var(--k-bg); color: var(--k-ink); font-family: var(--k-sans); line-height: 1.9; -webkit-font-smoothing: antialiased; }
.kk * { box-sizing: border-box; }
.kk img { display: block; max-width: 100%; }
.kk a { color: inherit; text-decoration: none; }
.kk-container { max-width: var(--k-cw); margin: 0 auto; padding: 0 var(--k-px); }
.kk-eyebrow { font-size: 0.7rem; letter-spacing: 0.26em; color: var(--k-accent); text-transform: uppercase; display: inline-block; margin: 0 0 12px; }
.kk-h2 { font-family: var(--k-serif); font-weight: 700; font-size: clamp(1.5rem, 3.2vw, 2.3rem); color: var(--k-ink); margin: 0 0 10px; letter-spacing: 0.04em; }
.kk-h2 .en { display:block; font-family: var(--k-sans); font-size:0.66rem; letter-spacing:0.2em; color:var(--k-muted); font-weight:400; margin-top:8px; }
.kk-lead { color: var(--k-sub); font-size: 0.96rem; margin: 0 0 40px; }

/* Header */
.kk-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; height: 70px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 var(--k-px);
  background: rgba(255,255,255,0.86); backdrop-filter: blur(8px); border-bottom: 1px solid transparent; transition: .3s;
}
.kk-header.scrolled { border-color: var(--k-line); box-shadow: 0 2px 20px rgba(0,0,0,0.04); }
.kk-logo b { font-family: var(--k-serif); font-size: 1.2rem; letter-spacing: 0.08em; color: var(--k-ink); }
.kk-logo span { display:block; font-size: 0.58rem; letter-spacing: 0.18em; color: var(--k-muted); margin-top: 2px; }
.kk-nav { display: flex; align-items: center; gap: 26px; }
.kk-nav a { font-size: 0.82rem; color: var(--k-ink); }
.kk-nav a:hover { color: var(--k-accent); }
.kk-cta { background: var(--k-accent); color: #fff !important; font-size: 0.8rem; padding: 10px 22px; border-radius: 999px; }
.kk-cta:hover { background: var(--k-accent-l); }
.kk-burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.kk-burger span { width: 24px; height: 2px; background: var(--k-ink); }

/* Hero */
.kk-hero { position: relative; min-height: 78vh; display: flex; align-items: stretch; padding-top: 70px; }
.kk-hero-photo { position: absolute; inset: 70px 0 0 0; }
.kk-hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.kk-hero-photo::after { content:""; position:absolute; inset:0; background: rgba(20,22,18,0.18); }
.kk-hero-inner { position: relative; z-index: 2; margin-left: auto; align-self: center; margin-right: var(--k-px); }
.kk-hero-card {
  background: rgba(43,42,39,0.82); color: #fff; padding: clamp(26px,3.5vw,42px) clamp(22px,2.6vw,34px);
  max-width: 400px; backdrop-filter: blur(2px);
}
.kk-hero-card .lbl { font-size: 0.68rem; letter-spacing: 0.22em; color: var(--k-gold); }
.kk-hero-card h1 { font-family: var(--k-serif); font-size: clamp(1.4rem,2.6vw,1.85rem); line-height: 1.7; margin: 16px 0 0; font-weight: 700; }
.kk-hero-card h1 .l { display: block; white-space: nowrap; }
.kk-hero-card p { font-size: 0.82rem; color: #d8d5cd; margin: 16px 0 0; }

/* Section base */
.kk-sec { padding: clamp(60px, 8vw, 108px) 0; }
.kk-sec--alt { background: var(--k-bg2); }

/* About */
.kk-about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,64px); align-items: center; }
.kk-about-photo img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.kk-about-body p { color: var(--k-sub); font-size: 0.95rem; margin: 0 0 1.2em; }
.kk-about-body p:first-of-type { color: var(--k-ink); font-family: var(--k-serif); font-size: 1.15rem; line-height: 1.9; }

/* Services / Lineup */
.kk-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.kk-card { background: var(--k-bg); border: 1px solid var(--k-line); padding: 34px 28px; transition: .25s; }
.kk-card:hover { border-color: var(--k-accent); transform: translateY(-3px); }
.kk-card-ic { width: 44px; height: 44px; color: var(--k-accent); margin-bottom: 18px; }
.kk-card h3 { font-family: var(--k-serif); font-size: 1.1rem; margin: 0 0 10px; color: var(--k-ink); }
.kk-card p { font-size: 0.86rem; color: var(--k-sub); margin: 0; }

/* Properties placeholder */
.kk-props { text-align: center; border: 1px dashed var(--k-line); background: var(--k-bg); padding: clamp(40px,6vw,72px) 20px; }
.kk-props svg { color: var(--k-muted); margin-bottom: 16px; }
.kk-props h3 { font-family: var(--k-serif); font-size: 1.2rem; margin: 0 0 10px; }
.kk-props p { color: var(--k-sub); font-size: 0.9rem; margin: 0; }

/* FAQ */
.kk-faq { max-width: 820px; margin: 0 auto; }
.kk-faq-item { border-bottom: 1px solid var(--k-line); }
.kk-faq-q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; display: flex; gap: 14px; align-items: center; padding: 22px 4px; font-family: var(--k-serif); font-size: 0.98rem; color: var(--k-ink); }
.kk-faq-q .mk { color: var(--k-accent); font-weight: 700; }
.kk-faq-q .tgl { margin-left: auto; color: var(--k-muted); transition: transform .3s; }
.kk-faq-item.open .tgl { transform: rotate(45deg); }
.kk-faq-a { max-height: 0; overflow: hidden; transition: max-height .35s; }
.kk-faq-a p { color: var(--k-sub); font-size: 0.88rem; padding: 0 4px 22px 32px; margin: 0; line-height: 1.9; }

/* Company */
.kk-company { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.kk-dl { border-top: 1px solid var(--k-line); }
.kk-dl > div { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 18px 4px; border-bottom: 1px solid var(--k-line); }
.kk-dl dt { color: var(--k-accent); font-size: 0.82rem; margin: 0; }
.kk-dl dd { margin: 0; color: var(--k-ink); font-size: 0.9rem; }
.kk-map { width: 100%; height: 100%; min-height: 300px; border: 1px solid var(--k-line); }
.kk-map iframe { width: 100%; height: 100%; min-height: 300px; border: 0; display: block; }

/* Contact */
.kk-contact { background: var(--k-bg2); text-align: center; }
.kk-contact p { color: var(--k-sub); max-width: 520px; margin: 0 auto 28px; }
.kk-tel { display: inline-block; }
.kk-tel .lbl { font-size: 0.72rem; letter-spacing: 0.14em; color: var(--k-accent); }
.kk-tel .num { font-family: var(--k-serif); font-size: clamp(1.8rem,4vw,2.6rem); color: var(--k-ink); letter-spacing: 0.04em; display:block; margin-top: 6px; }
.kk-tel .note { font-size: 0.78rem; color: var(--k-muted); }

/* Footer */
.kk-footer { background: #2b2a27; color: #d8d5cd; padding: 52px 0 24px; text-align: center; }
.kk-footer b { font-family: var(--k-serif); font-size: 1.15rem; color: #fff; letter-spacing: 0.08em; }
.kk-footer-nav { display: flex; justify-content: center; gap: 22px; flex-wrap: wrap; margin: 22px 0; }
.kk-footer-nav a { font-size: 0.8rem; color: #b9b5ac; }
.kk-footer-nav a:hover { color: var(--k-gold); }
.kk-footer-copy { font-size: 0.72rem; color: #85817a; border-top: 1px solid #3d3b37; padding-top: 20px; }

/* Breadcrumb */
.kk-crumb { padding: 86px 0 0; }
.kk-crumb .kk-container { font-size: 0.74rem; color: var(--k-muted); }
.kk-crumb a { color: var(--k-accent); }

@media (max-width: 860px) {
  .kk-grid { grid-template-columns: 1fr 1fr; }
  .kk-about, .kk-company { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .kk-nav { display:none; position:fixed; top:70px; left:0; right:0; flex-direction:column; gap:0; background:#fff; border-bottom:1px solid var(--k-line); padding:8px 0; }
  .kk-nav.open { display:flex; }
  .kk-nav a { padding:14px var(--k-px); border-bottom:1px solid var(--k-line); }
  .kk-nav .kk-cta { margin:12px var(--k-px); text-align:center; }
  .kk-burger { display:flex; }
  .kk-hero-inner { margin: 0 auto; }
}
@media (max-width: 520px) { .kk-grid { grid-template-columns: 1fr; } }