/* 注意事項・参加規約ページ：特設ページ（../campaign.css）の色と部品の上に、読みもの用の組みを足す */
body { background: var(--paper) radial-gradient(circle, rgb(124 104 194 / .08) 0 2px, transparent 3px) 0 0 / 26px 26px; }
html { scroll-padding-top: calc(var(--hd-h) + 16px); }

.doc { max-width: 880px; margin: 0 auto; padding: clamp(28px, 4vw, 56px) var(--gut) clamp(48px, 6vw, 80px); }

.doc__head { position: relative; margin-bottom: clamp(28px, 4vw, 44px); padding: clamp(24px, 3.4vw, 40px); border-radius: 30px; background: #fff; border: 3px solid var(--ink); box-shadow: 0 8px 0 var(--lav), 0 8px 0 3px var(--ink); text-align: center; }
.doc__kicker { margin: 0; font-family: var(--f-pop); font-size: 13px; color: var(--hot); letter-spacing: .06em; }
.doc__title { margin: 6px 0 12px; font-family: var(--f-pop); font-weight: 400; font-size: clamp(28px, 4.4vw, 44px); line-height: 1.3; color: var(--ink); }
.doc__lead { margin: 0 auto 18px; max-width: 620px; font-size: 14px; font-weight: 500; line-height: 1.9; color: var(--sub); }
.doc__toc { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.doc__toc a { padding: 6px 14px; border-radius: 999px; background: var(--paper); border: 2px solid #e2d8fb; color: var(--ink); text-decoration: none; font-size: 13px; font-weight: 800; transition: background .2s, border-color .2s; }
.doc__toc a:hover, .doc__toc a:focus-visible { background: #fff0f7; border-color: var(--hot); }

.doc__sec { margin-bottom: clamp(32px, 4.4vw, 52px); padding: clamp(22px, 3vw, 36px); border-radius: 26px; background: #fff; border: 2px solid #e2d8fb; }
.doc__h { display: grid; gap: 2px; margin: 0 0 18px; padding-bottom: 12px; border-bottom: 3px dashed #e2d8fb; font-family: var(--f-pop); font-weight: 400; font-size: clamp(20px, 2.6vw, 26px); line-height: 1.4; color: var(--ink); }
.doc__h small { font-size: 11px; letter-spacing: .3em; color: var(--lav); }
.doc__sub { margin: 22px 0 8px; font-family: var(--f-pop); font-weight: 400; font-size: 17px; color: var(--ink); }
.doc__sub::before { content: '● '; color: var(--hot); font-size: .7em; vertical-align: .15em; }
.doc__list { display: grid; gap: 6px; margin: 0; padding-left: 1.3em; font-size: 15px; font-weight: 500; line-height: 1.85; }
.doc__list b { color: var(--ink); font-weight: 800; }
.doc__note { margin: 14px 0 0; font-size: 14px; font-weight: 500; color: var(--sub); }
.doc__box { margin-top: 22px; padding: 4px 20px 18px; border-radius: 20px; background: #fff0f3; border: 2px solid #ffc7d8; }
.doc__box p { margin: 8px 0 0; font-size: 14px; font-weight: 500; line-height: 1.85; }
.doc__box .doc__list { margin-top: 8px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.two__box { padding: 14px 18px; border-radius: 18px; }
.two__box ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; font-size: 14px; font-weight: 500; line-height: 1.8; }
.two__box--ok { background: #eaf8ef; }
.two__box--ng { background: #fff0f3; }
.two__t { margin: 0 0 6px; font-family: var(--f-pop); font-size: 15px; }
.two__box--ok .two__t { color: #2c9c5a; }
.two__box--ng .two__t { color: #d6336c; }
@media (max-width: 640px) { .two { grid-template-columns: 1fr; } }

.terms h3 { margin: 20px 0 6px; font-size: 15px; font-weight: 800; color: var(--ink); }
.terms h3:first-child { margin-top: 0; }
.terms p { margin: 4px 0 0; font-size: 14px; font-weight: 500; line-height: 1.9; }

.faq { display: grid; gap: 10px; }
.faq details { border-radius: 16px; background: var(--paper); border: 2px solid #e2d8fb; }
.faq details[open] { border-color: var(--lav); background: #fff; }
.faq summary { position: relative; padding: 14px 44px 14px 18px; font-weight: 800; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 18px; top: 50%; translate: 0 -50%; font-family: var(--f-pop); font-size: 20px; color: var(--hot); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:focus-visible { outline: 3px dashed var(--hot); outline-offset: 2px; border-radius: 14px; }
.faq details p { margin: 0; padding: 0 18px 16px; font-size: 14px; font-weight: 500; line-height: 1.85; color: var(--sub); }

.doc__back { margin: 24px 0 0; text-align: center; }