/* ============================================================
   BLESSHOME デモサイト 共通スタイル
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary:   #2c4a3e;   /* ダークグリーン */
  --color-accent:    #7a9e7e;   /* ミドルグリーン */
  --color-light:     #f5f3ef;   /* オフホワイト */
  --color-border:    #d8d4cc;
  --color-text:      #333333;
  --color-muted:     #888888;
  --color-white:     #ffffff;
  --font-base:       'Noto Sans JP', sans-serif;
  --max-width:       1200px;
  --header-h:        70px;
  --radius:          4px;
  --shadow:          0 2px 8px rgba(0,0,0,.08);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ---- Typography ---- */
h1,h2,h3,h4,h5,h6 { line-height: 1.4; font-weight: 700; }

/* ---- Layout helpers ---- */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section--gray { background: var(--color-light); }

.section__head {
  text-align: center;
  margin-bottom: 48px;
}
.section__head .en {
  display: block;
  font-size: .75rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.section__head h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}
.section__head p {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: .95rem;
}

/* ---- Photo Placeholder ---- */
.photo-placeholder {
  background: #e8e4dc;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: var(--color-muted);
  font-size: .8rem;
  border: 1.5px dashed var(--color-border);
}
.photo-placeholder::before {
  content: "🖼";
  font-size: 2rem;
  display: block;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .05em;
  transition: opacity .2s;
}
.btn:hover { opacity: .75; }
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 2px solid var(--color-primary);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--sm { padding: 8px 20px; font-size: .8rem; }

/* ---- Tag ---- */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--color-accent);
  border-radius: 100px;
  font-size: .72rem;
  color: var(--color-accent);
}

/* ---- Category Badge ---- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 2px;
  font-size: .72rem;
}

/* ---- More Link ---- */
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 2px;
  transition: opacity .2s;
}
.more-link:hover { opacity: .65; }
.more-link::after { content: "→"; }

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: .78rem;
  color: var(--color-muted);
  padding: 16px 0;
}
.breadcrumb li + li::before { content: "/"; margin-right: 4px; }
.breadcrumb a { color: var(--color-accent); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: .08em;
}
.site-header__logo span { color: var(--color-accent); }

.site-nav { display: flex; gap: 28px; align-items: center; }
.site-nav a {
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--color-text);
  transition: color .2s;
}
.site-nav a:hover { color: var(--color-accent); }
.site-nav .btn { font-size: .78rem; padding: 8px 18px; }
.site-nav .btn--primary { color: var(--color-white); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: .3s;
}

/* mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 24px;
  z-index: 99;
  flex-direction: column;
  gap: 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .9rem;
  color: var(--color-text);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,.85);
  padding: 56px 0 24px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer__brand { }
.site-footer__brand .logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.site-footer__brand p { font-size: .8rem; line-height: 1.8; opacity: .8; }
.site-footer__col h4 {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--color-accent);
}
.site-footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.site-footer__col ul li a {
  font-size: .8rem;
  opacity: .8;
  transition: opacity .2s;
}
.site-footer__col ul li a:hover { opacity: 1; }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .75rem;
  opacity: .6;
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  margin-top: var(--header-h);
  height: 220px;
  background: var(--color-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.page-hero .photo-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .35;
}
.page-hero__text { position: relative; z-index: 1; }
.page-hero__text .en {
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.page-hero__text h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--color-primary);
}

/* ============================================================
   CARD components
   ============================================================ */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--shadow); }
.card__thumb { width: 100%; aspect-ratio: 4/3; }
.card__body { padding: 16px; }
.card__title { font-size: .95rem; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
.card__meta  { font-size: .75rem; color: var(--color-muted); margin-bottom: 8px; }

/* grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .85rem;
  transition: background .2s;
}
.pagination a:hover, .pagination .current {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ============================================================
   FORM
   ============================================================ */
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-group label .required {
  color: #c0392b;
  font-size: .72rem;
  margin-left: 4px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .9rem;
  font-family: inherit;
  transition: border-color .2s;
  background: var(--color-white);
}
.form-control:focus { outline: none; border-color: var(--color-accent); }
textarea.form-control { resize: vertical; min-height: 140px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .site-footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
}