@charset "UTF-8";
/* 歯科コラム（/column/）。色・書体は下層ページ（cmn_subpage.css）に合わせる */

.col_wrap { padding-bottom: 100px; }
.col_inner { width: 964px; margin: 0 auto; }
.col_lead { margin: 0 0 30px; font-size: 1.6rem; line-height: 2; }
.col_empty { padding: 60px 0; text-align: center; font-size: 1.6rem; line-height: 2; }
.col_empty a { color: #41a1be; text-decoration: underline; }

/* カテゴリ */
.col_cats { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 40px; }
.col_cats a { display: block; padding: 8px 18px; border: 1px solid #d2cbc7; font-size: 1.4rem; line-height: 1.5; color: #393632; background: #fff; transition: .2s; }
.col_cats a:hover, .col_cats a.is_current { background: #41a1be; border-color: #41a1be; color: #fff; }

/* 記事カード（横並びは高さをそろえ、中身は上から） */
.col_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 26px; }
.col_card { height: 100%; }
.col_card > a { display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid #e5e0d6; color: #393632; transition: .2s; }
.col_card > a:hover { box-shadow: 0 10px 25px rgba(0,0,0,.08); }
.col_card_img { margin: 0; aspect-ratio: 16 / 9; overflow: hidden; background: #faf8f3; }
.col_card_img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.col_card_noimg { display: flex; align-items: center; justify-content: center; height: 100%; font-family: "Noto Serif JP", serif; font-size: 1.8rem; letter-spacing: .2em; color: #b9ad97; }
.col_card_body { flex: 1; padding: 18px 20px 22px; }
.col_card_meta { display: flex; align-items: center; gap: 12px; margin: 0 0 10px; font-size: 1.3rem; color: #8a837d; }
.col_cat { display: inline-block; padding: 3px 10px; background: #41a1be; color: #fff !important; font-size: 1.2rem; line-height: 1.5; }
#daido_subpage .col_card_title { margin: 0 0 10px; font-family: "Noto Serif JP", serif; font-size: 1.7rem; font-weight: 600; line-height: 1.6; }
.col_card_text { margin: 0; font-size: 1.4rem; line-height: 1.8; color: #5d5650; }

/* 記事 */
.col_head { margin: 0 0 30px; }
.col_meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 0 0 14px; font-size: 1.4rem; color: #6f6862; }
.col_meta a:not(.col_cat) { color: #41a1be; text-decoration: underline; }
#daido_subpage .col_title { margin: 0; font-family: "Noto Serif JP", serif; font-size: 3rem; font-weight: 600; line-height: 1.6; }
.col_thumb { margin: 0 0 40px; }
.col_thumb img { width: 100%; height: auto; display: block; }

.col_summary { margin: 0 0 40px; padding: 26px 32px; background: #faf8f3; border: 1px solid #e4dccb; }
#daido_subpage .col_summary h2 { margin: 0 0 12px; font-family: "Noto Serif JP", serif; font-size: 1.9rem; font-weight: 600; }
.col_summary ul { margin: 0; padding: 0; }
.col_summary li { position: relative; padding-left: 1.4em; font-size: 1.6rem; line-height: 1.9; }
.col_summary li::before { content: "✓"; position: absolute; left: 0; color: #41a1be; font-weight: bold; }

.col_toc { margin: 0 0 50px; padding: 24px 32px; border: 1px solid #d2cbc7; }
.col_toc_title { margin: 0 0 10px; font-family: "Noto Serif JP", serif; font-size: 1.8rem; font-weight: 600; }
.col_toc ol { margin: 0; padding: 0; counter-reset: toc; }
.col_toc li { font-size: 1.5rem; line-height: 1.9; }
.col_toc li.lv2 { counter-increment: toc; }
.col_toc li.lv2::before { content: counter(toc) ". "; color: #41a1be; }
.col_toc li.lv3 { padding-left: 1.8em; font-size: 1.4rem; }
.col_toc a { color: #393632; }
.col_toc a:hover { color: #41a1be; text-decoration: underline; }

/* 本文 */
.col_body { font-size: 1.6rem; line-height: 2.1; }
.col_body > * + * { margin-top: 1.4em; }
#daido_subpage .col_body h2 { margin: 2.6em 0 1em; padding: 0 0 12px; border-bottom: 1px solid #d2cbc7; box-shadow: inset 0 -1px 0 #fff; position: relative; font-family: "Noto Serif JP", serif; font-size: 2.4rem; font-weight: 600; line-height: 1.6; }
#daido_subpage .col_body h2::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 80px; height: 1px; background: #41a1be; }
#daido_subpage .col_body h3 { margin: 2em 0 .8em; padding-left: 14px; border-left: 3px solid #41a1be; font-size: 2rem; font-weight: 600; line-height: 1.6; }
.col_body h2, .col_body h3 { scroll-margin-top: 110px; }
.col_body p { margin: 0; }
.col_body ul, .col_body ol { margin-left: 0; padding-left: 1.6em; }
.col_body ul li { list-style: disc; }
.col_body ol li { list-style: decimal; }
.col_body a { color: #41a1be; text-decoration: underline; }
.col_body img { max-width: 100%; height: auto; }
.col_body figure { margin-left: 0; margin-right: 0; }
.col_body figcaption { margin-top: 6px; font-size: 1.3rem; color: #6f6862; }
.col_body table { width: 100%; border-collapse: collapse; font-size: 1.5rem; line-height: 1.8; }
.col_body th, .col_body td { padding: 12px 14px; border: 1px solid #d2cbc7; vertical-align: top; }
.col_body th { background: #faf8f3; font-weight: 500; text-align: left; }
.col_body tbody th { min-width: 10em; }
.col_body td:nth-child(2) { min-width: 11em; }
.col_body .note { padding: 18px 22px; background: #f3f8fa; border-left: 3px solid #41a1be; font-size: 1.5rem; }

/* よくあるご質問 */
.col_faq { margin: 60px 0 0; border-top: 1px solid #cdccc8; }
#daido_subpage .col_faq h2 { margin: 0; padding: 30px 0 16px; font-family: "Noto Serif JP", serif; font-size: 2.4rem; font-weight: 600; }
.col_faq details { border-bottom: 1px solid #cdccc8; }
.col_faq summary { list-style: none; cursor: pointer; position: relative; display: flex; align-items: center; gap: 16px; padding: 18px 48px 18px 0; font-size: 1.7rem; line-height: 1.7; font-weight: 500; }
.col_faq summary::-webkit-details-marker { display: none; }
.col_faq summary::after { content: "+"; position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 2.4rem; color: #41a1be; }
.col_faq details[open] summary::after { content: "−"; }
.col_q { flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: #41a1be; color: #fff; font-family: "Noto Serif JP", serif; font-size: 1.6rem; line-height: 32px; text-align: center; }
.col_faq details p { margin: 0; padding: 0 0 22px 48px; font-size: 1.6rem; line-height: 2; }

/* 診療案内へのリンク */
.col_menu_link { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 50px 0 0; padding: 22px 30px; background: #41a1be; color: #fff; transition: .2s; }
.col_menu_link:hover { opacity: .85; }
.col_menu_link small { font-size: 1.3rem; }
.col_menu_link span { font-size: 1.8rem; font-weight: 500; }
.col_menu_link span::after { content: "→"; margin-left: 12px; }

/* 監修者 */
.col_supervisor { margin: 60px 0 0; padding: 36px 40px; background: #faf8f3; border: 1px solid #e4dccb; }
#daido_subpage .col_supervisor h2 { margin: 0 0 20px; font-family: "Noto Serif JP", serif; font-size: 2rem; font-weight: 600; }
.col_sv_box { display: flex; align-items: flex-start; gap: 32px; }
.col_sv_box figure { flex: 0 0 180px; margin: 0; }
.col_sv_box figure img { width: 100%; height: auto; display: block; }
.col_sv_text { flex: 1; font-size: 1.5rem; line-height: 1.9; }
.col_sv_text > * + * { margin-top: 12px; }
.col_sv_name { font-family: "Noto Serif JP", serif; font-size: 2.2rem; font-weight: 600; line-height: 1.5; }
.col_sv_name small { display: block; font-family: "Noto Sans JP", sans-serif; font-size: 1.3rem; font-weight: 400; color: #6f6862; }
.col_sv_list { margin: 12px 0 0; padding: 0; }
.col_sv_list li { font-size: 1.4rem; line-height: 1.8; }
.col_sv_member { font-size: 1.4rem; }
.col_more { display: inline-block; color: #41a1be; text-decoration: underline; }

/* 予約 */
.col_cta { margin: 60px 0 0; padding: 40px; border: 1px solid #d2cbc7; text-align: center; }
#daido_subpage .col_cta h2 { margin: 0 0 12px; font-family: "Noto Serif JP", serif; font-size: 2.2rem; font-weight: 600; }
.col_cta p { text-align: center; margin: 0 0 22px; font-size: 1.5rem; line-height: 1.9; }
.col_cta_btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.col_cta_btns a { flex: 1 1 0; display: flex; align-items: center; justify-content: center; min-width: 0; padding: 16px 24px; background: #41a1be; color: #fff; font-size: 1.6rem; font-weight: 500; transition: .2s; }
.col_cta_btns a:hover { opacity: .85; }
.col_cta_btns a { flex-direction: column; gap: 2px; line-height: 1.5; }
.col_cta_btns small { font-size: 1.2rem; font-weight: 400; }
.col_cta_btns a + a { background: #fff; color: #41a1be; border: 1px solid #41a1be; }

/* 前後の記事 */
.col_pager { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 50px 0 0; }
.col_pager a { display: flex; flex-direction: column; justify-content: center; height: 100%; padding: 18px 22px; border: 1px solid #d2cbc7; color: #393632; font-size: 1.5rem; line-height: 1.7; box-sizing: border-box; }
.col_pager a:hover { border-color: #41a1be; }
.col_pager small { font-size: 1.2rem; color: #41a1be; }
.col_next { grid-column: 2; text-align: right; }

.col_related { margin: 80px 0 0; }
#daido_subpage .col_related h2 { margin: 0 0 24px; font-family: "Noto Serif JP", serif; font-size: 2.4rem; font-weight: 600; }
.col_back { margin: 50px 0 0; text-align: center; font-size: 1.5rem; }
.col_back a { display: inline-block; padding: 14px 40px; border: 1px solid #393632; color: #393632; }
.col_back a:hover { background: #393632; color: #fff; }

@media screen and (max-width: 768px) {
  .col_wrap { padding-bottom: 60px; }
  .col_inner { width: auto; margin: 0 16px; }
  .col_lead { font-size: 1.5rem; }
  .col_cats { gap: 8px; margin-bottom: 30px; }
  .col_cats a { padding: 6px 12px; font-size: 1.3rem; }
  .col_grid { grid-template-columns: 1fr; gap: 20px; }
  #daido_subpage .col_title { font-size: 2.2rem; }
  .col_summary, .col_toc { padding: 20px; }
  .col_body { font-size: 1.5rem; line-height: 2; }
  #daido_subpage .col_body h2 { font-size: 2rem; }
  #daido_subpage .col_body h3 { font-size: 1.7rem; }
  .col_body table { font-size: 1.3rem; }
  .col_body th, .col_body td { padding: 8px; }
  .col_body tbody th { min-width: 5.5em; }
  .col_body td:nth-child(2) { min-width: 6em; }
  .col_faq summary { font-size: 1.5rem; gap: 12px; padding-right: 36px; }
  .col_faq summary::after { right: 4px; }
  .col_q { width: 28px; height: 28px; line-height: 28px; font-size: 1.4rem; }
  .col_faq details p { padding-left: 40px; font-size: 1.5rem; }
  .col_menu_link { flex-direction: column; align-items: flex-start; gap: 4px; padding: 18px 20px; }
  .col_menu_link span { font-size: 1.6rem; }
  .col_supervisor { padding: 24px 20px; }
  .col_sv_box { flex-direction: column; gap: 18px; }
  .col_sv_box figure { flex: none; width: 140px; }
  .col_cta { padding: 28px 20px; }
  .col_cta_btns { flex-direction: column; }
  .col_cta_btns a { flex: none; width: 100%; box-sizing: border-box; }
  .col_pager { grid-template-columns: 1fr; gap: 12px; }
  .col_next { grid-column: 1; }
}