html {
  scroll-behavior: smooth;
}

/* ------------------------------
   カラー変数
   ------------------------------ */
:root {
  --key01: #81A597; /* グリーン */
  --key02: #BFD8CE; /* ライトグリーン */
  --key03: #81AFC1; /* ミントブルー */
  --key04: #C8DDE5; /* 淡い水色 */
  --key05: #B8ACBF; /* ラベンダー */
  --key06: #CCCA9B; /* イエローグリーン */
  --key07: #B3A39A; /* グレージュ */
  --key08: #C497A8; /* ピンク */
  --key99: #CCCCCC; /* グレー */
}

body {
  font-family: 'Noto Sans JP', sans-serif, Arial, Roboto, "Droid Sans",
    "游ゴシック", YuGothic, "ヒラギノ角ゴ ProN W3",
    "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
  margin: 0;
  background: #fafafa;
  color: #222;
}

.site-header {
  padding: 1rem 1rem 0;
  margin-bottom: 4rem; 
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.site-header__logo {
  display: flex;
  justify-content: flex-end; 
}

.site-header__logo img {
  display: block;
  width: 244px;
  max-width: 100%;
  height: auto;
}


.forms-top {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

h1 {
  text-align: center;
  margin: 2.5rem 0 0.75rem;
  font-size: 1.8rem;
  line-height: 1.35;
  letter-spacing: 0.03em;
}

.forms-top p {
  margin: 0 0 2rem;
  text-align: center;
  color: #555;
  font-size: 0.98rem;
}

.parent-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  align-items: stretch;
}

.parent-grid > li {
  display: flex;
}

.parent-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  padding: 1.25rem 1.25rem 1.2rem 2.7rem;
  border: 1px solid #d9d9d9;
  border-radius: 10px;
  text-decoration: none;
  color: #222;
  background: #fff;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  min-height: 5.8rem;
}

.parent-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0.8rem;
  transform: translateY(-50%);
  width: 0.55rem;
  height: 72%;
  border-radius: 999px;
}

.parent-btn__ja {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
}

.parent-btn__en {
  display: block;
  margin-top: 0.35rem;
  font-size: 1rem;
  line-height: 1.45;
  color: #333;
  letter-spacing: 0.01em;
}

.parent-btn:hover,
.parent-btn:focus {
  outline: none;
  border-color: #b8b8b8;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.key01::before { background-color: var(--key01); }
.key02::before { background-color: var(--key02); }
.key03::before { background-color: var(--key03); }
.key04::before { background-color: var(--key04); }
.key05::before { background-color: var(--key05); }
.key06::before { background-color: var(--key06); }
.key07::before { background-color: var(--key07); }
.key08::before { background-color: var(--key08); }
.key99::before { background-color: var(--key99); }

@media (min-width: 640px) {
  .parent-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .parent-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .parent-btn {
    min-height: auto;
    padding-top: 1.15rem;
    padding-bottom: 1.1rem;
  }

  .parent-btn__ja {
    font-size: 0.98rem;
  }

  .parent-btn__en {
    font-size: 0.74rem;
  }
}