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

body {
  background: #06170f;
  font-family: "Libre Franklin", "Yu Gothic", sans-serif;
  padding: 0 4%;
  color: #fff;
}

.page {
  max-width: 1260px;
  margin: 0 auto;
  overflow-x: hidden;
}

/* =====================
   Header
   ===================== */

.hdr {
  background: #292420;
  padding: 10px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 16px;
  /* 16px 16px 0 0 → 16px に変更 */
  margin-bottom: 14px;
  /* 3px → 14px に変更 */
}

.hdr-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

a.hdr-logo {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hdr-logo img {
  height: 68px;
  display: block;
}

.hdr-site-name {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hdr-site-name .name-en {
  font-size: 18px;
  font-weight: 500;
  color: #ead477;
  letter-spacing: .06em;
}

.hdr-site-name .name-ja {
  font-size: 11px;
  color: rgba(255, 255, 255, .55);
  letter-spacing: .04em;
}

.hdr-nav {
  display: flex;
  gap: 24px;
}

.hdr-nav a {
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s;
}

.hdr-nav a:hover {
  color: #ead477;
}

/* =====================
   Card base
   ===================== */
.card {
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-dark {
  background: #0e2518;
}

.card-green {
  background: #154734;
}

.card-mid {
  background: #1a3d2b;
}

.card-darker {
  background: #0a1f14;
}

.lbl {
  font-size: 14px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #ead477;
  opacity: .7;
  margin-bottom: 12px;
  flex-shrink: 0;
}

/* =====================
   Footer
   ===================== */
.footer {
  background: #292420;
  border-radius: 16px;
  margin-top: 14px;
  padding: 28px 28px 20px;
}

/* =====================
   ハンバーガーメニュー
   ===================== */
.hdr-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: 200;
  flex-shrink: 0;
}

.hdr-hamburger span {
  display: block;
  height: 2px;
  background: rgba(255, 255, 255, .75);
  border-radius: 2px;
  transition: all .3s ease;
}

.hdr-hamburger.open span:nth-child(1) {
  transform: none;
}

.hdr-hamburger.open span:nth-child(2) {
  opacity: 1;
}

.hdr-hamburger.open span:nth-child(3) {
  transform: none;
}

/* スマホ用フルスクリーンナビ */
.sp-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: #154734;
  z-index: 100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 64px;
  gap: 32px;
}

.sp-nav.open {
  display: flex;
}

.sp-nav a {
  font-size: 22px;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  letter-spacing: .06em;
}

.sp-nav a:hover {
  color: #ead477;
}

.sp-nav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 28px;
  color: rgba(255, 255, 255, .6);
  cursor: pointer;
  line-height: 1;
}

/* =====================
   スマホ レスポンシブ（共通）
   ===================== */
@media (max-width: 768px) {

  html,
  body {
    overflow-x: hidden;
    width: 100%;
  }

  body {
    padding: 0 2%;
  }

  /* ヘッダー */
  .hdr {
    padding: 10px 16px;
    border-radius: 12px;
    /* 12px 12px 0 0 → 12px */
    margin-bottom: 10px;
    /* 追加 */
  }

  .hdr-logo img {
    height: 48px;
  }

  .hdr-site-name .name-en {
    font-size: 14px;
  }

  .hdr-site-name .name-ja {
    font-size: 10px;
  }

  .hdr-nav {
    display: none;
  }

  .hdr-hamburger {
    display: flex;
  }

  /* カード共通 */
  .card {
    padding: 18px;
    border-radius: 12px;
  }

  /* フッター */
  .footer {
    border-radius: 12px;
    padding: 20px 18px 16px;
    margin-top: 10px;
  }
}