.guide-page { color: #222; }
.guide-inner { width: 95%; margin-inline: auto; }
.guide-page .breadcrumb { margin-bottom: 42px; }
.guide-section-title { width: fit-content; margin: 0 0 24px; padding-bottom: 8px; border-bottom: 1px solid #777; font-family: "Zen Old Mincho", serif; font-size: var(--fs-title-lg); font-weight: 400; letter-spacing: .14em; }
.guide-copy { margin: 0; font-size: var(--fs-body); line-height: 1.8; }

.purchase-steps { padding-bottom: 70px; }
.purchase-step { padding: 0 0 38px; }
.purchase-step + .purchase-step { padding-top: 10px; border-top: 1px solid #eee; }
.purchase-step h2 { display: flex; gap: 14px; align-items: center; margin: 0 0 16px; font-family: "Zen Old Mincho", serif; font-size: var(--fs-title-sm); }
.purchase-step h2 span { padding: 5px 8px; border: 1px solid #777; font-family: "Sterling Display", serif; font-size: 18px; font-weight: 400; }
.purchase-step__links { margin-top: 28px; }
.purchase-step__links a { position: relative; display: block; padding: 17px 32px 17px 8px; color: #4276a7; border-bottom: 1px solid #ddd; font-size: var(--fs-body); font-weight: 600; }
.purchase-step__links a::after { position: absolute; top: 50%; right: 4px; color: #5684b1; content: "▶"; transform: translateY(-50%); }

.guide-accordions { background: #f7f7f7; }
.guide-accordion { border-bottom: 8px solid #fff; }
.guide-accordion summary { position: relative; display: block; padding-top: 28px; padding-bottom: 25px; padding-right: 38px; cursor: pointer; list-style: none; }
.guide-accordion summary::-webkit-details-marker { display: none; }
.guide-accordion summary > span { display: block; margin-bottom: 18px; font-size: var(--fs-title-sm); font-weight: 600; }
.guide-accordion summary > small { display: block; font-size: var(--fs-body); font-weight: 400; line-height: 1.8; }
.guide-accordion summary::before,
.guide-accordion summary::after { position: absolute; top: 36px; right: 2px; width: 16px; height: 1px; background: #222; content: ""; transition: transform .2s ease; }
.guide-accordion summary::after { transform: rotate(90deg); }
.guide-accordion[open] summary::after { transform: rotate(0); }
.guide-accordion__body { padding: 28px 0; background: #fff; }
.guide-accordion__body h3 { margin: 0 0 14px; font-family: "Zen Old Mincho", serif; font-size: var(--fs-title-sm); }
.guide-accordion__body h4 { margin: 26px 0 8px; font-size: var(--fs-body); text-decoration: underline; }
.guide-accordion__body p,
.guide-accordion__body li { font-size: var(--fs-body); line-height: 1.85; }
.guide-accordion__body p { margin: 0 0 18px; }
.guide-accordion__body ul { margin: 12px 0; padding-left: 1.4em; }
.guide-flow { display: grid; gap: 24px; margin: 24px auto; }
.guide-flow__step h5 { margin: 0 0 14px; padding: 10px 12px; color: #225C8D; border: 1px solid #4e8fbd; border-radius: 999px; font-size: var(--fs-button); font-weight: 600; text-align: center; }
.guide-flow__step p { width: 100%; margin: 0; }
.guide-note { padding: 20px; background: #eef4f8; }
.guide-note__card-title { display: block; margin-top: 1.9em; font-weight: 600; }

/* 開閉見出しは birthday-detail.css の .birthstone-facts をそのまま使用 */
.shopping-guide-detail { width: 95%; margin: 0 auto; padding: 28px 0 42px; background: #fff; }
.shopping-guide-detail > * { width: 84%; margin-right: auto; margin-left: auto; }
.shopping-guide-detail p,
.shopping-guide-detail li { font-size: var(--fs-body); line-height: 1.9; }
.shopping-guide-detail p { padding: 0 !important; background: transparent !important; }
.shopping-guide-detail h3 { margin-top: 0; margin-bottom: 18px; font-family: "Zen Old Mincho", serif; font-size: var(--fs-title-sm); }
.shopping-guide-detail h3:not(:first-child) { margin-top: 48px; }
.shopping-guide-detail h4 { margin-top: 34px; margin-bottom: 12px; font-size: var(--fs-body); text-decoration: underline; }
.shopping-guide-detail .shopping-guide-detail__flush-heading { width: 84%; margin-right: auto; margin-left: auto; text-align: left; }
.shopping-guide-page .shopping-guide-accordions > .birthstone-facts > details:first-child > summary { font-size: 20px; }
.shopping-guide-detail ul { padding-left: 1.4em; }
.shopping-guide-detail strong { color: #225C8D; }
.shopping-guide-gift-link { margin-top: 28px; margin-bottom: 30px; text-decoration: none; }

.shopping-guide-static-fact { border-bottom: 12px solid #F7F7F7; background: #F7F7F7; }
.shopping-guide-static-fact h2 { width: 95%; margin: 0 auto; padding: 28px 4% 18px; font-size: var(--fs-title-sm); }
.shopping-guide-static-fact > div { width: 95%; margin: 0 auto; padding: 0 4% 26px; }
.shopping-guide-static-fact p { margin: 0; font-size: var(--fs-body); line-height: 1.9; }

.shipping-content { padding-bottom: 70px; }
.shipping-section { margin-bottom: 64px; }
.shipping-section h2 { width: fit-content; margin: 0 0 20px; padding-bottom: 8px; border-bottom: 1px solid #777; font-family: "Zen Old Mincho", serif; font-size: var(--fs-title-lg); font-weight: 400; letter-spacing: .12em; }
.shipping-section h3 { margin: 30px 0 10px; font-size: var(--fs-title-sm); }
.shipping-section h3:first-child { margin: 0px 0 10px;}
.shipping-section p { margin: 0; font-size: var(--fs-body); line-height: 1.85; }
.shipping-protection {padding: 28px 6%; background: #f7f7f7;    margin-top: 15px; }
.shipping-photos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.shipping-photos img { width: 100%; }

@media (min-width: 768px) {
  .guide-inner { max-width: 900px; }
  .shopping-guide-detail > *,
  .shopping-guide-detail .shopping-guide-detail__flush-heading {
    width: 88%;
    margin-right: auto;
    margin-left: auto;
  }
  .shopping-guide-page .shopping-guide-accordions { width: 100%; max-width: none; background: #f7f7f7; }
  .shopping-guide-page .shopping-guide-accordions > .birthstone-facts { width: min(95%, 900px); margin-right: auto; margin-left: auto; }
  .shopping-guide-page .shopping-guide-summary--pc20 { font-size: 20px; }
}