<style>
/* 全体リセット・ベース設定 */
#page-top * {
box-sizing: border-box;
-webkit-text-size-adjust: 100%;
}
.base-container {
width: 100%; max-width: 700px; margin: 0 auto;
font-family: 'Helvetica Neue', Arial, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
line-height: 1.8; color: #fcf8fa; background-color: #140d12;
border-radius: 12px; box-shadow: 0 15px 50px rgba(0,0,0,0.9);
padding-bottom: 90px; position: relative; overflow-wrap: break-word;
overflow: hidden; /* アニメーションのはみ出し防止 */
}
/* --- スクロールフェードイン用アニメーション --- */
.fade-in {
opacity: 0;
transform: translateY(20px);
transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in.is-visible {
opacity: 1;
transform: translateY(0);
}
/* セクション共通スタイル */
.section { padding: 50px 20px; background-color: #140d12; }
.section-alt { padding: 50px 20px; background-color: #1a1015; border-top: 1px solid rgba(223,179,195,0.05); }
.sec-title {
font-size: 19px; text-align: center; margin: 0 0 40px;
letter-spacing: 3px; font-family: 'Yu Mincho', 'Hiragino Mincho ProN', serif; font-weight: normal;
background: linear-gradient(to right, #dfb3c3, #f5e3cd, #dfb3c3);
-webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
/* カード・枠線 */
.card-box {
padding: 35px 20px; border: 1px solid rgba(245,227,205,0.15); margin: 0 20px 40px;
border-radius: 14px; background: linear-gradient(145deg, #1d1217 0%, #140d12 100%);
text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
/* ボタン共通スタイル */
.btn-line {
display: flex; justify-content: center; align-items: center; width: 100%; max-width: 340px; margin: 0 auto;
background: linear-gradient(135deg, #0ac255, #008a37); color: #ffffff; padding: 18px 0;
text-decoration: none; font-weight: bold; font-size: clamp(14px, 4vw, 16px);
border-radius: 40px; box-shadow: 0 8px 20px rgba(6,199,85,0.25), inset 0 1px 1px rgba(255,255,255,0.3);
letter-spacing: 1.5px; border: 1px solid rgba(255,255,255,0.1); line-height: 1; -webkit-tap-highlight-color: transparent;
transition: all 0.3s ease;
}
.btn-outline {
display: flex; justify-content: center; align-items: center; width: 100%; max-width: 340px; margin: 0 auto;
background: rgba(223,179,195,0.03); color: #dfb3c3; border: 1px solid rgba(223,179,195,0.5); padding: 18px 0;
text-decoration: none; font-weight: bold; font-size: 14px; border-radius: 40px;
letter-spacing: 1.5px; line-height: 1; -webkit-tap-highlight-color: transparent;
}
/* 料金プラン共通スタイル */
.price-card {
margin-bottom: 25px; border: 1px solid rgba(245,227,205,0.15); border-radius: 12px; overflow: hidden;
box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.price-header {
background: linear-gradient(90deg, rgba(223,179,195,0.05), rgba(245,227,205,0.08), rgba(223,179,195,0.05));
padding: 16px; text-align: center; border-bottom: 1px solid rgba(245,227,205,0.1);
}
.price-row {
display: flex; justify-content: space-between; align-items: center;
border-bottom: 1px dashed rgba(223,179,195,0.2); padding-bottom: 12px; margin-bottom: 15px;
}
.price-row:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
/* アコーディオン共通スタイル */
details summary::-webkit-details-marker { display: none; }
details summary { list-style: none; cursor: pointer; outline: none; -webkit-tap-highlight-color: transparent; }
details[open] .faq-a { animation: faqFadeIn 0.4s ease-out; }
@keyframes faqFadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.faq-icon { position: relative; width: 16px; height: 16px; margin-left: 12px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after { content:
