/* index.html 固有スタイル */
:root { --blue: #2377d6; --bg: #fffdf8; --shadow: 0 12px 30px rgba(17,25,54,.09); }

body { background: var(--bg); }

/* ─── ヒーロー（PC: 画像の上にテキストをオーバーレイ） ─── */
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #fff;
}

/* PC: 画像を展開してヒーローの高さを決める */
.hero-img {
  position: relative;
  z-index: 0;
  line-height: 0;
}
.hero-img img {
  width: 100%;
  height: auto;
  display: block;
}

/* PC: テキスト側（左）から透明への白グラデーション */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0.97) 0%,
    rgba(255,255,255,0.92) 20%,
    rgba(255,255,255,0.70) 38%,
    rgba(255,255,255,0.20) 55%,
    rgba(255,255,255,0.00) 68%
  );
  pointer-events: none;
}

/* PC: テキストを画像の上にオーバーレイ */
.hero-text {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 52%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 48px;
}
.hero-text h1 { font-size: 38px; line-height: 1.6; font-weight: 900; letter-spacing: -1px; margin-bottom: 18px; color: var(--navy); }
.o { color: var(--orange); }
.g { color: var(--green); }
.hero-text p { font-size: 14px; line-height: 2; font-weight: 700; color: #354158; margin-bottom: 26px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.cta { border-radius: 16px; color: #fff; padding: 16px 22px; display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 900; box-shadow: 0 10px 24px rgba(17,25,54,.15); text-decoration: none; }
.cta small { display: block; font-size: 11px; margin-top: 3px; }
.cta.plan { background: var(--green); }
.cta.support { background: var(--orange); }
.free-note { font-size: 13px; font-weight: 800; color: var(--gray); }

/* カード */
.cards { max-width: 1480px; margin: auto; padding: 22px 32px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.card { background: white; border-radius: 20px; border: 1px solid #e7edf1; box-shadow: var(--shadow); padding: 26px; min-height: 180px; }
.card.plan { border-color: #cdebd8; background: linear-gradient(120deg, #fff, #f8fff8); }
.card.support { border-color: #ffd5b8; background: linear-gradient(120deg, #fff, #fff8f3); }
.round { width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; font-size: 42px; float: left; margin-right: 24px; }
.plan .round { background: #dff3e3; }
.support .round { background: #ffe5d5; }
.card h2 { font-size: 25px; font-weight: 900; margin-bottom: 10px; }
.plan h2 { color: var(--green); }
.support h2 { color: var(--orange); }
.card p { font-size: 13px; line-height: 1.8; font-weight: 700; color: #354158; margin-bottom: 17px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; clear: both; }
.mini { border-radius: 999px; padding: 12px 20px; border: 2px solid currentColor; background: #fff; font-size: 13px; font-weight: 900; text-decoration: none; }
.fill-g { background: var(--green); border-color: var(--green); color: white; }
.fill-o { background: var(--orange); border-color: var(--orange); color: white; }

/* フロー */
.flow { text-align: center; background: #fbfdff; }
.flow-title { font-size: 18px; font-weight: 900; margin-bottom: 18px; }
.flow-title b { font-size: 25px; color: var(--green); }
.flow-row { display: flex; justify-content: center; align-items: center; gap: 14px; }
.step { width: 92px; }
.step-icon { width: 72px; height: 72px; border-radius: 50%; border: 2px solid #e6edf4; background: #fff; margin: auto; display: grid; place-items: center; font-size: 32px; }
.step strong { display: block; font-size: 13px; font-weight: 900; margin-top: 7px; }
.step small { display: block; font-size: 10px; font-weight: 800; color: #5d6879; line-height: 1.35; }
.arrow { font-size: 24px; color: #a4adba; }

/* レーン */
.lanes { max-width: 1480px; margin: auto; padding: 0 32px 28px; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.lane { background: #fff; border: 1px solid #edf1f4; border-radius: 18px; box-shadow: var(--shadow); padding: 18px; }
.lane-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.lane-title { font-size: 17px; font-weight: 900; }
.lane-link { font-size: 12px; font-weight: 900; color: var(--blue); text-decoration: none; }
.mini-list { display: flex; gap: 12px; overflow: hidden; }
.event { width: 165px; border: 1px solid #edf1f4; border-radius: 14px; overflow: hidden; background: #fff; box-shadow: 0 7px 18px rgba(17,25,54,.08); flex-shrink: 0; }
.thumb { height: 96px; background: linear-gradient(135deg, #c8e6c9, #90caf9); display: grid; place-items: center; font-size: 37px; position: relative; }
.badge { position: absolute; top: 8px; left: 8px; border-radius: 8px; padding: 4px 7px; font-size: 10px; font-weight: 900; background: #e8f5e9; color: var(--green); }
.event-body { padding: 10px; }
.event-title { font-size: 12px; font-weight: 900; line-height: 1.45; margin-bottom: 6px; }
.meta { font-size: 10px; font-weight: 700; color: #667085; line-height: 1.5; }

/* トラスト */
.trust { max-width: 1480px; margin: auto; padding: 0 32px 34px; }
.trust-grid { background: white; border: 1px solid #edf1f4; border-radius: 22px; box-shadow: var(--shadow); display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; }
.trust-item { display: flex; gap: 16px; padding: 24px; border-right: 1px dashed #ddd; }
.trust-item:last-child { border-right: 0; }
.trust-icon { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; font-size: 36px; flex-shrink: 0; background: #e8f5e9; }
.trust-title { font-size: 17px; font-weight: 900; margin-bottom: 7px; }
.trust-desc { font-size: 12px; font-weight: 700; color: #4f5b70; line-height: 1.7; }

@media (max-width: 1100px) {
  .cards, .lanes { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
}

/* ─── スマホ（760px以下） ─── */
@media (max-width: 760px) {
  /* スマホ: 縦積みレイアウト */
  .hero {
    display: block;
  }
  /* PC用左グラデーションを無効化 */
  .hero::before { display: none; }

  /* スマホ: 画像を画面の約2/3に */
  .hero-img {
    position: relative;
    width: 100%;
    height: 60vh;
    overflow: hidden;
    line-height: 0;
  }
  .hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
  }
  /* スマホ: 画像下端→白のグラデーション */
  .hero-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,1) 100%);
    pointer-events: none;
  }
  /* スマホ: テキストエリアを小さく・コンパクトに */
  .hero-text {
    position: relative;
    top: unset;
    left: unset;
    width: 100%;
    height: auto;
    background: white;
    padding: 14px 18px 24px;
  }
  .hero-text h1 { font-size: 20px; line-height: 1.5; margin-bottom: 10px; }
  .hero-text p { font-size: 12px; line-height: 1.7; margin-bottom: 14px; }
  .cta-row { flex-direction: column; gap: 8px; margin-bottom: 10px; }
  .cta { font-size: 14px; padding: 12px 16px; gap: 8px; border-radius: 12px; }
  .cta small { font-size: 10px; }
  .free-note { font-size: 11px; }

  .cards, .lanes, .trust { padding-left: 18px; padding-right: 18px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px dashed #ddd; }
}