:root {
  --bg: #f8f3f2;
  --bg-soft: #fffdfc;
  --surface: #ffffff;
  --surface-2: #f7ece9;
  --line: #ead9dc;
  --text: #2f2f2f;
  --muted: #675f61;
  --primary: #b9878f;
  --primary-deep: #7b5a60;
  --accent: #dcbec4;
  --shadow: 0 14px 34px rgba(123, 90, 96, 0.10);
  --radius-lg: 28px;
  --radius-md: 20px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.8;
  background:
    radial-gradient(circle at 0 0, rgba(220,190,196,0.35), transparent 30%),
    linear-gradient(180deg, #fffdfc 0%, var(--bg) 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,253,252,0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(234,217,220,0.9);
}
.header-inner {
  min-height: 78px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { width: 46px; height: 46px; }
.brand-text { display: grid; gap: 2px; }
.brand-en { font-size: 20px; font-weight: 800; letter-spacing: 0.01em; }
.brand-ja { font-size: 11px; color: var(--muted); }
.nav { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.nav a { font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--primary-deep); }
.nav-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  color: var(--primary-deep) !important;
  font-weight: 700;
}
.header-inner {
  min-height: 70px;
}

.hero { padding: 76px 0 52px; }
.hero-grid { display: grid; grid-template-columns: 1.30fr 0.70fr; gap: 34px; align-items: center; }
.hero-label, .section-label {
  margin: 0 0 12px; font-size: 12px; letter-spacing: 0.18em; color: var(--primary-deep); font-weight: 700;
}
.hero h1 { margin: 0 0 18px; font-size: clamp(34px, 5vw, 56px); line-height: 1.22; letter-spacing: -0.02em; }
.hero-lead { margin: 0 0 22px; color: var(--muted); font-size: 16px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.hero-chips span {
  display: inline-flex; align-items: center; padding: 8px 14px; border-radius: 999px; background: rgba(255,255,255,0.8); border: 1px solid var(--line); font-size: 13px; color: var(--muted);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 14px 22px; border-radius: 999px; font-weight: 700; font-size: 14px; transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 20px rgba(123,90,96,0.16); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: #fff; }
.btn-secondary { background: rgba(255,255,255,0.78); border: 1px solid var(--line); color: var(--primary-deep); }
.hero-visual-wrap { background: rgba(255,255,255,0.65); border: 1px solid rgba(255,255,255,0.8); border-radius: 36px; padding: 18px; box-shadow: var(--shadow); }
.hero-visual { width: 100%; border-radius: 24px; }
.hero-photo-wrap {
  padding: 0;
  overflow: hidden;
}
.hero-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center top;
  border-radius: 34px;
}

.intro { padding-bottom: 16px; }
.intro-box {
  background: rgba(255,255,255,0.8); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow);
}
.intro-box h2 { margin: 0 0 10px; font-size: 30px; }
.intro-box p { margin: 0; color: var(--muted); }

.section { padding: 30px 0 78px; }
.section-heading { margin-bottom: 26px; }
.section-heading h2 { margin: 0 0 10px; font-size: clamp(28px, 4vw, 40px); line-height: 1.3; }
.section-text { margin: 0; color: var(--muted); max-width: 72ch; }
.cards.three-col { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.card {
  background: rgba(255,255,255,0.82); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow);
}
.icon { width: 58px; height: 58px; margin-bottom: 14px; }
.card h3 { margin: 0 0 10px; font-size: 21px; line-height: 1.45; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.about-grid { display: grid; grid-template-columns: 1fr 0.9fr; gap: 28px; align-items: center; }
.info-list { margin: 0; }
.info-list div { display: grid; grid-template-columns: 140px 1fr; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info-list dt { font-weight: 700; color: var(--muted); }
.info-list dd { margin: 0; }
.about-message { margin: 22px 0 0; color: var(--muted); }
.about-visual-wrap {
  background: rgba(255,255,255,0.8); border: 1px solid var(--line); border-radius: 32px; padding: 18px; box-shadow: var(--shadow);
}
.about-visual { border-radius: 22px; }

.service-list { display: grid; gap: 18px; }
.service-item {
  display: grid; grid-template-columns: 78px 1fr; gap: 18px; align-items: start;
  background: rgba(255,255,255,0.82); border: 1px solid var(--line); border-radius: 24px; padding: 22px 24px; box-shadow: var(--shadow);
}
.service-no {
  width: 78px; height: 78px; border-radius: 22px; display: grid; place-items: center; font-weight: 800; font-size: 24px;
  color: var(--primary-deep); background: linear-gradient(180deg, #fff, #f4e7e5); border: 1px solid var(--line);
}
.service-item h3 { margin: 0 0 8px; font-size: 22px; }
.service-item p { margin: 0; color: var(--muted); }

.achievement-card {
  background: rgba(255,255,255,0.82); border: 1px solid var(--line); border-radius: 28px; padding: 28px; box-shadow: var(--shadow);
}
.achievement-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; margin-bottom: 20px; flex-wrap: wrap; }
.achievement-head h3 { margin: 0 0 4px; font-size: 28px; }
.achievement-head p { margin: 0; color: var(--muted); }
.achievement-note {
  display: inline-flex; align-items: center; padding: 10px 14px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); color: var(--primary-deep); font-size: 13px; font-weight: 700;
}

.achievement-layout {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: 22px;
  align-items: stretch;
}
.achievement-visual {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(247,236,233,0.9));
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 8px 18px rgba(123,90,96,0.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.achievement-photo-card {
  padding: 0;
  overflow: hidden;
}
.achievement-photo {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.platform-item {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(247,236,233,0.9));
  border: 1px solid var(--line); border-radius: 22px; padding: 20px 18px; box-shadow: 0 8px 18px rgba(123,90,96,0.08);
  position: relative;
  overflow: hidden;
  transition: .2s ease;
}

.platform-item:hover { transform: translateY(-2px); }
.platform-top { display:flex; align-items:center; gap:10px; margin-bottom: 10px; }
.platform-icon { width: 26px; height: 26px; flex: 0 0 26px; }
.platform-name { display: block; color: var(--muted); font-size: 13px; }
.platform-count { display: block; font-size: 30px; line-height: 1.1; margin-bottom: 8px; }
.platform-handle { display: block; color: var(--primary-deep); font-size: 13px; word-break: break-all; }
.achievement-caption { margin: 16px 0 0; color: var(--muted); font-size: 13px; }

.news-list { display: grid; gap: 16px; }
.news-item {
  display: grid; grid-template-columns: 110px 1fr; gap: 20px; align-items: start; background: rgba(255,255,255,0.82);
  border: 1px solid var(--line); border-radius: 24px; padding: 22px 24px; box-shadow: var(--shadow);
}
.news-item time {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 14px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); color: var(--primary-deep); font-weight: 700; font-size: 13px;
}
.news-item h3 { margin: 0 0 8px; font-size: 20px; }
.news-item p { margin: 0; color: var(--muted); }

.contact-box {
  background: rgba(255,255,255,0.84); border: 1px solid var(--line); border-radius: 28px; padding: 32px; box-shadow: var(--shadow);
  display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center;
}
.contact-box h2 { margin: 0 0 10px; font-size: 36px; }
.contact-box p { margin: 0; color: var(--muted); max-width: 70ch; }
.contact-mail {
  display: inline-flex; align-items: center; justify-content: center; padding: 16px 24px; border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep)); color: #fff; font-weight: 800; font-size: 20px;
}

.channel-mini-logo {
  position: absolute;
  right: 14px;
  bottom: 12px;
  width: 138px;
  max-width: 48%;
  height: auto;
  opacity: 0.96;
  z-index: 2;
  pointer-events: none;
}
.site-footer { padding: 26px 0 34px; border-top: 1px solid rgba(234,217,220,0.9); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }

@media (max-width: 980px) {
  .hero-grid, .about-grid, .contact-box, .achievement-layout { grid-template-columns: 1fr; }
  .cards.three-col, .platform-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .achievement-photo { aspect-ratio: 4 / 5; }
}


@media (max-width: 720px) {
  .header-inner { padding: 12px 0; align-items: flex-start; flex-direction: column; }
  .nav { gap: 12px 16px; }
  .hero { padding-top: 46px; }
  .cards.three-col,
  .platform-grid,
  .achievement-layout,
  .hero-grid,
  .about-grid,
  .service-item,
  .news-item,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .info-list div { grid-template-columns: 1fr; gap: 6px; }
  .contact-mail { width: 100%; font-size: 18px; }

  .channel-mini-logo {
    display: none;
  }

  .header-inner {
    min-height: auto;
    padding: 10px 0;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand-en {
    font-size: 18px;
  }

  .nav {
    gap: 10px 14px;
  }

  .nav a,
  .nav-contact {
    font-size: 13px;
  }
  .nav-contact {
    padding: 6px 12px;
    background: rgba(255,255,255,0.6);
  }

  .hero-visual-wrap {
    padding: 12px;
  }

  .hero-visual {
    aspect-ratio: 5 / 4;
    max-height: 440px;
    object-fit: cover;
    object-position: center 13%;
  }
}