/* ===== Base ===== */
body {
  margin: 0;
  padding-top: 64px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
               "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  line-height: 1.7;
  color: #111;
  background: #fff;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #000;
  z-index: 1000;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
}

.nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover {
  opacity: 0.7;
}

.instagram-btn {
  display:inline-block;
  margin-top:10px;
  background:#E4405F;
  color:#fff;
  padding:10px 16px;
  border-radius:6px;
  text-decoration:none;
  font-weight:600;
}

.insta-link img{
  width:22px;
  height:22px;
  margin-left:12px;
  vertical-align:middle;
}

/* ===== Hero ===== */
.hero {
  background: #0b0b0b;
  color: #fff;
  padding: 56px 16px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(26px, 5vw, 40px);
}

.hero p {
  margin: 0 0 20px;
  opacity: .9;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  background: #fff;
  color: #0b0b0b;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
}

/* ===== Sections ===== */
section {
  padding: 40px 16px;
}

h2 {
  margin-top: 0;
  font-size: 22px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.card {
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 16px;
}

.info {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: #0b0b0b;
  color: #fff;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
  padding: 26px 16px 10px;
}

.footer-title {
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 14px;
  opacity: 0.95;
}

.footer-text {
  font-size: 14px;
  opacity: 0.85;
  margin: 6px 0;
}

.footer-link {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.25);
}

.footer-link:hover {
  opacity: 0.75;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 14px 16px 22px;
  opacity: 0.8;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .info {
    grid-template-columns: 120px 1fr;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Header (Hamburger) ===== */
.logo-link {
  color: #fff;
  text-decoration: none;
}

/* ハンバーガーボタン */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  padding: 9px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  margin: 6px 0;
  border-radius: 2px;
}

/* スマホ用メニュー */
.nav-sp {
  display: none;
  border-top: 1px solid rgba(255,255,255,.12);
  background: #000;
}

.nav-sp a {
  display: block;
  padding: 14px 16px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav-sp a:hover {
  opacity: 0.8;
}

/* 開いている状態 */
.site-header.is-open .nav-sp {
  display: block;
}

/* レスポンシブ切り替え */
@media (max-width: 820px) {
  .nav-pc {
    display: none;
  }
  .nav-toggle {
    display: inline-block;
  }
}
/* ===== Splash (Logo Intro) ===== */
.splash {
  position: fixed;
  inset: 0;
  background: #fff;          /* 背景色：サイトに合わせて白。黒にしたければ #000 */
  display: grid;
  place-items: center;
  z-index: 2000;             /* ヘッダーより前に出す */
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

.splash.is-active {
  opacity: 1;
  visibility: visible;
}

/* ロゴ本体 */
.splash-logo {
  width: min(520px, 70vw);
  height: auto;
  opacity: 0;
  transform: translateY(14px);
  animation: splashLogo 2.4s cubic-bezier(.4,0,.2,1) forwards;

}

/* ふわっと出る → 少し止まる → ふわっと消える */
@keyframes splashLogo {
  0%   { opacity: 0; transform: translateY(14px); }
  25%  { opacity: 1; transform: translateY(0); }
  80%  { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-8px); }
}

/* 画面全体も最後に消す */
.splash.is-active {
  animation: splashFadeOut 2.6s ease-in-out forwards;
}

@keyframes splashFadeOut {
  0%   { opacity: 1; }
  80%  { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}

/* 動きが苦手な人への配慮（OS設定に追従） */
@media (prefers-reduced-motion: reduce) {
  .splash, .splash-logo {
    animation: none !important;
    transition: none !important;
  }
}