:root { --main: #2ecc71; --dark: #2c3e50; --bg: #fdfdfd; }
body { margin: 0; background: var(--bg); font-family: 'Hiragino Sans', sans-serif; color: var(--dark); }
.hidden { display: none; }

/* ガラス質感のヘッダー */
.glass-header { background: rgba(255,255,255,0.8); backdrop-filter: blur(12px); sticky: top 0; z-index: 100; border-bottom: 1px solid #eee; padding: 15px 5%; }
.header-inner { display: flex; align-items: center; max-width: 1200px; margin: 0 auto; }
.logo { height: 40px; }
.service-title { margin-left: 15px; font-size: 1.2rem; letter-spacing: 1px; }

/* レイアウト */
.container { max-width: 1100px; margin: 40px auto; padding: 0 20px; }
.grid-layout { display: grid; grid-template-columns: 320px 1fr; gap: 30px; }
.card { background: #fff; border-radius: 24px; padding: 35px; box-shadow: 0 10px 40px rgba(0,0,0,0.03); border: 1px solid #f0f0f0; }

/* アニメーション */
.animate-pop { animation: pop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
@keyframes pop { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ステッパーの垂直線 */
.stepper { position: relative; padding-left: 60px; }
.step-line { position: absolute; left: 24px; top: 10px; bottom: 10px; width: 4px; background: #f0f0f0; border-radius: 2px; }
.step-line-fill { position: absolute; left: 24px; top: 10px; width: 4px; background: var(--main); height: 0; transition: height 1.5s ease; border-radius: 2px; box-shadow: 0 0 10px rgba(46,204,113,0.4); }

.step-point { position: relative; margin-bottom: 70px; }
.dot { position: absolute; left: -52px; width: 32px; height: 32px; background: #fff; border: 3px solid #eee; border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 2; transition: 0.5s; }
.step-point.active .dot { background: var(--main); border-color: var(--main); color: #fff; transform: scale(1.1); }

/* 入力・ボタン */
input { padding: 12px; border: 1px solid #ddd; border-radius: 12px; margin-bottom: 15px; width: 100%; box-sizing: border-box; }
.btn-primary { background: var(--main); color: #fff; border: none; padding: 15px 30px; border-radius: 14px; font-weight: bold; cursor: pointer; transition: 0.3s; width: 100%; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(46,204,113,0.2); }

/* 法的確認ボックス */
.contract-box { background: #f0fff4; border: 2px dashed var(--main); padding: 20px; border-radius: 18px; margin-top: 15px; }
.legal-check { font-size: 0.8rem; margin-bottom: 15px; display: flex; gap: 8px; }