@charset "UTF-8";
/* ==========================================================================
   コラム（/column/）用スタイル　2026-10-07 追加
   common2.css の上に重ねて使う。色・余白はサイト共通の値
   （紺 #1949A1／淡い青 #ebf0f9／罫線 #c3d2e6）に合わせている。
   ========================================================================== */

[id] { scroll-margin-top: 100px; }

/* --- 記事の頭（分類・公開日・副題） --- */
.p-col-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.p-col-cat { display: inline-block; background: #1949A1; color: #fff; font-size: clamp(11px, 1vw, 12px); font-weight: 700; line-height: 1; padding: 6px 12px; border-radius: 3px; letter-spacing: .08em; }
.p-col-date { font-size: clamp(12px, 1.1vw, 13px); color: #5a6b80; font-variant-numeric: tabular-nums; }
.p-col-sub { margin-top: clamp(12px, 1.6vw, 18px); padding-left: 14px; border-left: 4px solid #1949A1; font-size: clamp(16px, 1.7vw, 20px); font-weight: 700; color: #1949A1; line-height: 1.6; }

/* --- 目次 --- */
.p-col-toc { margin-top: clamp(24px, 3vw, 36px); background: #ebf0f9; border-radius: 6px; padding: clamp(16px, 2vw, 24px) clamp(16px, 2.2vw, 28px); }
.p-col-toc__ttl { font-size: clamp(13px, 1.2vw, 14px); font-weight: 700; color: #1949A1; letter-spacing: .06em; }
.p-col-toc__list { margin-top: 8px; counter-reset: toc; }
.p-col-toc__item { counter-increment: toc; position: relative; padding-left: 2em; font-size: clamp(14px, 1.3vw, 15px); line-height: 1.7; }
.p-col-toc__item + .p-col-toc__item { margin-top: 6px; }
.p-col-toc__item::before { content: counter(toc) "."; position: absolute; left: 0; top: 0; width: 1.6em; text-align: right; color: #1949A1; font-weight: 700; }

/* --- 本文の見出し --- */
.p-col-h2 { margin-top: clamp(44px, 5.4vw, 68px); padding-bottom: 10px; border-bottom: 2px solid #1949A1; font-size: clamp(19px, 2vw, 24px); font-weight: 700; color: #1a2a44; line-height: 1.55; text-wrap: balance; }
.p-col-h2 + p, .p-col-h2 + .p-col-box { margin-top: clamp(16px, 2vw, 22px); }
.p-col-h3 { margin-top: clamp(28px, 3.4vw, 40px); padding-left: 12px; border-left: 4px solid #1949A1; font-size: clamp(16px, 1.6vw, 19px); font-weight: 700; color: #1949A1; line-height: 1.6; }
.p-col-h3 + p { margin-top: 10px; }

/* --- 本文 --- */
.p-col p.u-fw-medium + p.u-fw-medium { margin-top: 1em; }
.p-col-quote { margin-top: clamp(14px, 1.8vw, 20px); padding: clamp(12px, 1.6vw, 18px) clamp(14px, 1.8vw, 22px); background: #f6f8fb; border-left: 4px solid #c3d2e6; font-size: clamp(14px, 1.3vw, 15.5px); line-height: 1.9; color: #2a2a2a; }
.p-col-quote p + p { margin-top: 6px; }

/* --- 囲み（要点・一覧） --- */
.p-col-box { margin-top: clamp(16px, 2vw, 24px); border: 1px solid #c3d2e6; border-top: 4px solid #1949A1; border-radius: 6px; background: #fff; padding: clamp(16px, 2vw, 24px) clamp(16px, 2.2vw, 28px); }
.p-col-box__ttl { font-size: clamp(15px, 1.5vw, 17px); font-weight: 700; color: #1949A1; line-height: 1.6; }
.p-col-box__list { margin-top: 10px; counter-reset: box; }
.p-col-box__item { counter-increment: box; position: relative; padding-left: 2.2em; font-size: clamp(14px, 1.3vw, 15.5px); line-height: 1.85; }
.p-col-box__item + .p-col-box__item { margin-top: 8px; }
.p-col-box__item::before { content: counter(box); position: absolute; left: 0; top: .2em; width: 1.6em; height: 1.6em; border-radius: 50%; background: #1949A1; color: #fff; font-size: .8em; font-weight: 700; line-height: 1.6em; text-align: center; }
.p-col-box__item b { color: #1949A1; }
.p-col-box._plain_ { border-top-width: 1px; background: #ebf0f9; border-color: #ebf0f9; }

/* --- 箇条書き（記号つき） --- */
.p-col-list { margin-top: clamp(12px, 1.6vw, 18px); }
.p-col-list__item { position: relative; padding-left: 1.2em; font-size: clamp(14px, 1.3vw, 15.5px); line-height: 1.85; }
.p-col-list__item + .p-col-list__item { margin-top: 8px; }
.p-col-list__item::before { content: ""; position: absolute; left: 0; top: .72em; width: .5em; height: .5em; background: #1949A1; }
.p-col-list__item b { color: #1949A1; }

/* --- 図版 --- */
.p-col-fig { margin-top: clamp(20px, 2.6vw, 30px); }
.p-col-fig img { display: block; width: 100%; height: auto; border: 1px solid #e3eaf4; border-radius: 4px; }
.p-col-fig._narrow_ img { max-width: 640px; margin: 0 auto; }
.p-col-fig figcaption { margin-top: 8px; font-size: clamp(12px, 1.15vw, 13px); line-height: 1.7; color: #555; }
.p-col-fig figcaption a { white-space: nowrap; }

/* --- 注記・出典 --- */
.p-col-note { margin-top: 10px; font-size: clamp(12px, 1.15vw, 13px); line-height: 1.75; color: #555; }
.p-col-src { margin-top: clamp(14px, 1.8vw, 20px); padding-top: 10px; border-top: 1px dotted #9fb4d4; font-size: clamp(12px, 1.15vw, 13px); line-height: 1.8; color: #555; }
.p-col-src__ttl { font-weight: 700; color: #2a2a2a; }
.p-col-src a { overflow-wrap: anywhere; }

/* --- 表（スマホでは common の .c-table-slide が行ごとの縦積みにする） --- */
.p-col .c-table-slide { margin-top: clamp(16px, 2vw, 24px); }
.p-col .m-table th, .p-col .m-table td { padding: 12px 14px; font-size: clamp(13px, 1.2vw, 14.5px); line-height: 1.75; vertical-align: top; }
.p-col .m-table thead th { vertical-align: middle; }
.p-col .m-table td.__em { background: #f3f7fd; font-weight: 600; color: #1a2a44; }

/* --- 関連ページ・関連コラム --- */
.p-col-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(12px, 1.6vw, 20px); margin-top: clamp(16px, 2vw, 24px); }
.p-col-cards._col2_ { grid-template-columns: repeat(2, 1fr); }
.p-col-card { display: flex; flex-direction: column; background: #fff; border: 1px solid #c3d2e6; border-radius: 6px; overflow: hidden; color: inherit; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.p-col-card:hover { border-color: #1949A1; box-shadow: 0 4px 14px rgba(25, 73, 161, .12); }
.p-col-card:focus-visible { outline: 3px solid #1949A1; outline-offset: 2px; }
.p-col-card__img { aspect-ratio: 16 / 9; background: #ebf0f9; overflow: hidden; }
.p-col-card__img img { display: block; width: 100%; height: 100%; object-fit: cover; }
.p-col-card__body { display: flex; flex-direction: column; gap: 8px; flex: 1; padding: clamp(14px, 1.6vw, 18px); }
.p-col-card__ttl { font-size: clamp(15px, 1.45vw, 17px); font-weight: 700; color: #1949A1; line-height: 1.6; }
.p-col-card__txt { font-size: clamp(13px, 1.2vw, 14px); line-height: 1.75; color: #2a2a2a; }
.p-col-card__date { margin-top: auto; font-size: 12px; color: #5a6b80; }

.p-col-sec-ttl { margin-top: clamp(48px, 6vw, 72px); font-size: clamp(17px, 1.7vw, 20px); font-weight: 700; color: #1a2a44; }

@media screen and (max-width: 1023px) {
  .p-col-cards, .p-col-cards._col2_ { grid-template-columns: 1fr; }
  .p-col-card { flex-direction: row; }
  .p-col-card__img { flex: 0 0 36%; aspect-ratio: auto; }
}
@media screen and (max-width: 767.98px) {
  .p-col-card { flex-direction: column; }
  .p-col-card__img { flex: none; aspect-ratio: 16 / 9; }
}
@media (prefers-reduced-motion: reduce) {
  .p-col-card { transition: none; }
}

/* --- 脚注（出典番号）と出典の一覧 --- */
.p-col-fn { font-size: .72em; line-height: 0; margin-left: 1px; }
.p-col-fn a { text-decoration: none; font-weight: 700; color: #1949A1; padding: 0 1px; }
.p-col-fn a::before { content: "["; }
.p-col-fn a::after { content: "]"; }
.p-col-fnlist { margin-top: 6px; padding-left: 1.6em; list-style: decimal; }
.p-col-fnlist li + li { margin-top: 6px; }
.p-col-fnlist li:target { background: #fff8d6; }
.p-col-fnlist .__back { white-space: nowrap; font-size: .92em; }

/* --- 比較ガイドへの特設リンク（コラム一覧・各コラムの末尾） --- */
.p-col-feature { display: grid; grid-template-columns: 40% 1fr; margin-top: clamp(14px, 1.8vw, 20px); background: #fff; border: 2px solid #1949A1; border-radius: 8px; overflow: hidden; color: inherit; text-decoration: none; transition: box-shadow .2s; }
.p-col-feature:hover { box-shadow: 0 6px 18px rgba(25, 73, 161, .16); }
.p-col-feature:focus-visible { outline: 3px solid #1949A1; outline-offset: 2px; }
.p-col-feature__img { display: block; background: #ebf0f9; }
.p-col-feature__img img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: left center; }
.p-col-feature__body { display: flex; flex-direction: column; gap: 8px; padding: clamp(16px, 2vw, 24px); }
.p-col-feature__lb { align-self: flex-start; background: #1949A1; color: #fff; font-size: 12px; font-weight: 700; line-height: 1; padding: 6px 12px; border-radius: 3px; letter-spacing: .08em; }
.p-col-feature__ttl { font-size: clamp(17px, 1.8vw, 21px); font-weight: 700; color: #1949A1; line-height: 1.55; }
.p-col-feature__txt { font-size: clamp(13px, 1.25vw, 14.5px); line-height: 1.8; color: #2a2a2a; }
@media screen and (max-width: 767.98px) {
  .p-col-feature { grid-template-columns: 1fr; }
  .p-col-feature__img { aspect-ratio: 16 / 9; }
}
@media (prefers-reduced-motion: reduce) { .p-col-feature { transition: none; } }