/* 会社設立お祝いマナー便覧（oiwai-binran）
   雑誌エディトリアル：マストヘッド＋大きな挿絵＋2段組・引用の大見出し。スマホは1段。
   配色は水引の桃と若草。桃・若草の地には文字色（--ink）だけを載せる。 */

@font-face {
	font-family: "OiwFude";
	src: url("../fonts/oiw-fude.woff2") format("woff2");
	font-display: swap;
}

:root {
	--momo: #e7a1c4;       /* 桃（地色・線） ink 7.44:1 */
	--waka: #8cbf3f;       /* 若草（地色・線） ink 6.96:1 */
	--white: #ffffff;
	--ink: #2d2329;        /* 文字 white 15.17:1 */
	--paper: #fdfbf6;      /* 紙 ink 14.67:1 */
	--momo-pale: #fbeef5;  /* ink 13.48:1 */
	--waka-pale: #f1f7e6;  /* ink 13.86:1 */
	--momo-deep: #9c3f6e;  /* 白・紙・淡色の地の上の小さな強調文字 white 6.27:1 */
	--waka-deep: #4a6b1b;  /* 同上 white 6.16:1 */
	--mute: #5e5258;       /* 補足の文字 white 7.44:1 */
	--rule: #d9cdd3;
	--fude: "OiwFude", "Hiragino Mincho ProN", "Yu Mincho", serif;
	--go: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
	--wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	font-family: var(--go);
	color: var(--ink);
	background: var(--paper);
	line-height: 1.9;
	font-size: 16px;
	overflow-wrap: anywhere;
	padding-bottom: 150px; /* 固定の短冊ぶん */
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-decoration-color: var(--momo); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--momo-deep); }
h1, h2, h3, h4 { line-height: 1.45; margin: 0 0 .6em; font-weight: 700; }
p { margin: 0 0 1em; }
.oiw-fude { font-family: var(--fude); font-weight: 400; letter-spacing: .04em; }
.oiw-sp { display: none; }
.oiw-skip { position: absolute; left: -999px; }
.oiw-skip:focus { left: 8px; top: 8px; background: var(--white); padding: 8px; z-index: 99; }
.oiw-main { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.oiw-kicker { font-size: .78rem; letter-spacing: .3em; color: var(--momo-deep); margin: 0 0 .3em; font-weight: 700; }
.oiw-num { font-family: Georgia, "Times New Roman", serif; font-style: italic; }
.oiw-pill { display: inline-block; font-size: .75rem; padding: 1px 10px; border-radius: 999px; background: var(--momo-pale); border: 1px solid var(--momo); }
.oiw-k { font-size: .78rem; color: var(--mute); margin: 0 0 .2em; }
.oiw-more { font-weight: 700; font-size: .9rem; }
.oiw-more::after { content: " →"; }
.oiw-meta { list-style: none; padding: 0; margin: .3em 0 0; display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: .8rem; color: var(--mute); }
.oiw-meta1 { font-size: .8rem; color: var(--mute); }
.oiw-note { font-size: .82rem; color: var(--mute); }
.oiw-words { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .9rem; padding: 14px 0; border-top: 1px dotted var(--rule); }
.oiw-empty { padding: 30px 0; }

/* ---------------------------------------------------------------- マストヘッド（上部中央の大きなロゴ） */
.oiw-mast { background: var(--white); border-bottom: 4px double var(--ink); }
.oiw-mast-top { max-width: var(--wrap); margin: 0 auto; padding: 6px 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: .78rem; border-bottom: 1px solid var(--rule); }
.oiw-mast-tag { margin: 0; color: var(--mute); }
.oiw-mast-toc { font-weight: 700; white-space: nowrap; border: 1px solid var(--ink); padding: 0 10px; text-decoration: none; }
.oiw-mast-logo { text-align: center; padding: 22px 16px 8px; }
.oiw-logo { margin: 0; font-family: var(--fude); font-size: clamp(1.9rem, 6.2vw, 3.6rem); line-height: 1.15; letter-spacing: .08em; }
.oiw-logo a { text-decoration: none; display: inline-flex; align-items: center; gap: 14px; }
.oiw-logo-b { color: var(--ink); background: linear-gradient(transparent 62%, var(--momo-pale) 62%); }
.oiw-mast-sub { margin: 6px 0 0; font-size: .82rem; letter-spacing: .2em; color: var(--mute); }
.oiw-mast-nav ul { list-style: none; margin: 0 auto; padding: 8px 16px 10px; display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 0; max-width: var(--wrap); }
.oiw-mast-nav li + li::before { content: "／"; color: var(--rule); margin: 0 10px; }
.oiw-mast-nav a { text-decoration: none; font-size: .9rem; font-weight: 700; }

/* ---------------------------------------------------------------- パンくず */
.oiw-crumb ol { list-style: none; padding: 12px 0 0; margin: 0; display: flex; flex-wrap: wrap; gap: 2px 0; font-size: .78rem; color: var(--mute); }
.oiw-crumb li + li::before { content: "›"; margin: 0 8px; }

/* ---------------------------------------------------------------- トップ：2本の導線（1本の水引の帯を斜めに分け、中央に結び目） */
.oiw-paths { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin: 18px 0 10px; border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.oiw-paths::before { content: ""; position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; z-index: 2; border-radius: 50%; background: var(--white) url("../img/kaisha-setsuritsu-oiwai-knot.svg") center / 52px no-repeat; border: 2px solid var(--ink); }
.oiw-path { padding: 14px 54px 14px 22px; position: relative; }
.oiw-path--give { background: var(--momo); text-decoration: none; display: block; clip-path: polygon(0 0, 100% 0, calc(100% - 26px) 100%, 0 100%); margin-right: -13px; }
.oiw-path--give strong { font-family: var(--fude); font-weight: 400; font-size: 1.35rem; display: block; }
.oiw-path--give small { font-size: .8rem; }
.oiw-path--recv { background: var(--waka); clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%); margin-left: -13px; padding: 14px 22px 14px 58px; text-align: right; }
.oiw-path--recv p { margin: 0; }
.oiw-path--recv strong { font-family: var(--fude); font-weight: 400; font-size: 1.35rem; }
.oiw-path--recv ul { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 14px; font-size: .85rem; }
.oiw-path-k { font-size: .72rem; letter-spacing: .3em; font-weight: 700; display: block; }
@media (max-width: 700px) {
	.oiw-paths { grid-template-columns: minmax(0, 1fr); }
	.oiw-paths::before { left: auto; right: 14px; }
	.oiw-path--give, .oiw-path--recv { clip-path: none; margin: 0; padding: 14px 84px 14px 16px; text-align: left; }
	.oiw-path--recv ul { justify-content: flex-start; }
	.oiw-path--give strong, .oiw-path--recv strong { font-size: 1.12rem; }
}

/* ---------------------------------------------------------------- ヒーロー（雑誌の表紙） */
.oiw-hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 34px; padding: 24px 0 36px; border-bottom: 1px solid var(--ink); align-items: start; }
.oiw-hero-fig { margin: 0; }
.oiw-hero-fig img { width: 100%; border: 1px solid var(--rule); }
.oiw-hero-fig figcaption { font-size: .72rem; color: var(--mute); margin-top: 4px; }
.oiw-hero-txt h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); line-height: 1.3; margin: .1em 0 .4em; }
.oiw-pull { font-family: var(--fude); font-size: 1.35rem; margin: 0 0 1em; padding: 6px 0 6px 18px; border-left: 6px solid var(--momo); line-height: 1.6; }
.oiw-cols2 { column-count: 2; column-gap: 26px; column-rule: 1px solid var(--rule); font-size: .93rem; text-align: justify; }
.oiw-cols2 p { break-inside: avoid-column; }
.oiw-hero-idx { list-style: none; padding: 0; margin: 14px 0 0; border-top: 2px solid var(--ink); }
.oiw-hero-idx li { border-bottom: 1px dotted var(--rule); }
.oiw-hero-idx a { display: flex; gap: 12px; padding: 6px 0; text-decoration: none; font-weight: 700; }
.oiw-hero-idx span { font-family: Georgia, serif; font-style: italic; color: var(--momo-deep); }

/* セクションの見出し（雑誌の扉） */
.oiw-sec-head { text-align: center; max-width: 760px; margin: 48px auto 22px; }
.oiw-sec-head h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); margin-bottom: .3em; }
.oiw-sec-head p:last-child { font-size: .92rem; color: var(--mute); }
.oiw-sec-head--side { text-align: left; margin-left: 0; border-left: 8px solid var(--waka); padding-left: 16px; }

/* ---------------------------------------------------------------- 主役：のし紙の上書き見本台 */
.oiw-board { background: var(--white); border: 1px solid var(--ink); padding: 8px 20px 20px; margin-top: 40px; position: relative; }
.oiw-board::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 8px; background: repeating-linear-gradient(90deg, var(--momo) 0 40px, var(--white) 40px 46px, var(--waka) 46px 86px, var(--white) 86px 92px); }
.oiw-noshi { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 18px; }
.oiw-n { padding: 12px; }
.oiw-n img { margin: 0 auto 10px; max-height: 360px; width: auto; }
.oiw-n1 { border: 2px solid var(--momo); }
.oiw-n1 h3 { font-size: 1.05rem; text-align: center; }
.oiw-n-tbl { width: 100%; font-size: .85rem; border-collapse: collapse; }
.oiw-n-tbl th { white-space: nowrap; background: var(--momo-pale); padding: 4px 8px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--white); }
.oiw-n-tbl td { padding: 4px 8px; border-bottom: 1px solid var(--rule); }
.oiw-n2 figure { margin: 0; }
.oiw-n2 figcaption { text-align: center; font-weight: 700; }
.oiw-n-bubble { background: var(--waka-pale); border-radius: 18px; padding: 8px 14px; font-size: .86rem; position: relative; margin-top: 10px; }
.oiw-n-bubble::before { content: ""; position: absolute; top: -8px; left: 24px; border: 8px solid transparent; border-top: 0; border-bottom-color: var(--waka-pale); }
.oiw-n3 { background: var(--paper); border-top: 6px solid var(--waka); }
.oiw-n3 dl { font-size: .86rem; margin: 0; }
.oiw-n3 dt { font-weight: 700; margin-top: 6px; }
.oiw-n3 dd { margin: 0 0 4px; }
.oiw-n4 { border: 1px dashed var(--ink); }
.oiw-n4 header { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.oiw-n4 header h3 { font-size: 1.05rem; margin: 0; }
.oiw-n4 header p { margin: 0; font-size: .75rem; color: var(--mute); }
.oiw-n4 ol { font-size: .84rem; padding-left: 1.3em; margin: 0; }
.oiw-board-more { text-align: right; margin: 14px 0 0; font-weight: 700; }

/* ---------------------------------------------------------------- 贈り物の章（8変種） */
.oiw-gifts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 22px 18px; }
.oiw-g { margin: 0; }
.oiw-g h3 { font-size: 1.1rem; margin: .4em 0 .2em; }
.oiw-g p, .oiw-g dd, .oiw-g blockquote, .oiw-g figcaption span { font-size: .86rem; }
.oiw-g1 { grid-column: span 2; position: relative; }
.oiw-g1 figcaption { position: absolute; left: 12px; bottom: 12px; right: 30%; background: var(--white); padding: 8px 12px; border-left: 5px solid var(--momo); }
.oiw-g1 figcaption a { font-weight: 700; display: block; }
.oiw-g2-row { display: flex; flex-direction: column-reverse; gap: 6px; }
.oiw-g2-row img { width: 100%; }
.oiw-g3 header { display: flex; gap: 10px; align-items: baseline; border-bottom: 2px solid var(--ink); margin-bottom: 8px; }
.oiw-g3 .oiw-num { font-size: 1.8rem; color: var(--waka-deep); }
.oiw-g4 a { text-decoration: none; display: block; position: relative; }
.oiw-g4 strong { position: absolute; top: 8px; left: 8px; background: var(--waka); padding: 0 10px; }
.oiw-g4 blockquote { margin: 8px 0 0; padding-left: 10px; border-left: 3px solid var(--waka); }
.oiw-g5 { background: var(--momo-pale); padding: 10px; }
.oiw-g6 { border-top: 2px solid var(--ink); padding-top: 4px; }
.oiw-g7 { display: grid; grid-template-columns: 1fr; }
.oiw-g7 figure { margin: 0; border: 6px solid var(--white); outline: 1px solid var(--rule); }
.oiw-g7 dt { font-weight: 700; margin-top: 6px; }
.oiw-g7 dd { margin: 0; }

/* ---------------------------------------------------------------- 例文カード（4変種） */
.oiw-examples { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 20px; }
.oiw-e { margin: 0; background: var(--white); padding: 14px; }
.oiw-e blockquote, .oiw-e q, .oiw-e p[lang] { font-family: var(--fude); font-size: 1.02rem; line-height: 1.8; }
.oiw-e1 { border: 1px solid var(--ink); }
.oiw-e1 blockquote { margin: 0; }
.oiw-e2 { background: var(--momo-pale); transform: rotate(-.6deg); }
.oiw-e2 blockquote { margin: 0 0 6px; }
.oiw-e3 figcaption a { display: block; font-weight: 700; margin: 8px 0 4px; }
.oiw-e3 q { display: block; quotes: "「" "」"; }
.oiw-e4 { border-top: 6px solid var(--waka); }
.oiw-e4 header a { font-weight: 700; }
.oiw-e4-ja { font-size: .8rem; color: var(--mute); }

/* ---------------------------------------------------------------- カテゴリータイル（12変種） */
.oiw-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 14px; }
.oiw-t { margin: 0; padding: 14px; background: var(--white); min-width: 0; }
.oiw-t h3 { font-size: 1rem; margin: 0 0 .3em; }
.oiw-t p, .oiw-t dd { font-size: .82rem; margin: 0; }
.oiw-ico { color: var(--ink); flex: none; }
.oiw-t0 { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; text-decoration: none; background: var(--momo); }
.oiw-t0 span { font-size: .75rem; }
.oiw-t1 { border-left: 6px solid var(--waka); }
.oiw-t2 { display: flex; gap: 10px; align-items: center; border: 1px solid var(--rule); }
.oiw-t2 small { color: var(--mute); }
.oiw-t3 { border: 2px solid var(--ink); }
.oiw-t3 footer { font-size: .75rem; color: var(--mute); margin-top: 6px; }
.oiw-t4 { background: var(--waka); }
.oiw-t4 .oiw-k { color: var(--ink); }
.oiw-t5 { text-align: center; background: var(--momo-pale); }
.oiw-t5 svg { margin: 0 auto; }
.oiw-t5 figcaption a { font-weight: 700; }
.oiw-t6 { border-bottom: 3px double var(--ink); }
.oiw-t6 .oiw-t-full { font-weight: 700; font-size: .92rem; }
.oiw-t7 { display: flex; justify-content: space-between; align-items: center; gap: 8px; border: 1px dashed var(--ink); }
.oiw-t8 dl { margin: 0; }
.oiw-t8 dt { font-weight: 700; border-bottom: 1px solid var(--momo); margin-bottom: 4px; }
.oiw-t8 { background: var(--paper); }
.oiw-t9 a { text-decoration: none; display: block; }
.oiw-t9 { background: var(--waka-pale); border-radius: 0 24px 0 24px; }
.oiw-t10 blockquote { font-family: var(--fude); font-size: 1.15rem; margin: 0 0 6px; }
.oiw-t10 { border-top: 4px solid var(--momo); }
.oiw-t11 { display: grid; grid-template-columns: auto 1fr; gap: 0 10px; align-items: baseline; }
.oiw-t11 .oiw-num { grid-row: span 2; font-size: 2rem; color: var(--momo-deep); }
.oiw-t11 small { color: var(--mute); font-size: .75rem; }

/* ---------------------------------------------------------------- 記事カード（28変種） */
.oiw-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 22px 20px; margin: 10px 0 20px; }
.oiw-c { min-width: 0; background: var(--white); padding: 14px; margin: 0; }
.oiw-c h3, .oiw-c h4 { font-size: 1rem; margin: .3em 0; }
.oiw-c p { font-size: .86rem; margin: 0 0 .4em; }
.oiw-c figure { margin: 0; }
.oiw-c time, .oiw-c small { font-size: .78rem; color: var(--mute); }
.oiw-c dl { display: grid; grid-template-columns: auto 1fr; gap: 0 10px; font-size: .8rem; margin: 6px 0 0; }
.oiw-c dt { color: var(--mute); }
.oiw-c dd { margin: 0; }
.oiw-c0 { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 18px; padding: 0; background: none; border-bottom: 2px solid var(--ink); padding-bottom: 14px; }
.oiw-c0 h3 { font-size: 1.35rem; font-family: var(--fude); font-weight: 400; }
.oiw-c1-row { display: flex; gap: 12px; }
.oiw-c1-row > a { flex: 0 0 42%; }
.oiw-c2 { background: var(--momo-pale); border-top: 6px solid var(--momo); }
.oiw-c3 { display: grid; }
.oiw-c3-fig { position: relative; order: 2; }
.oiw-c3-fig span { position: absolute; right: 6px; bottom: 6px; background: var(--white); font-size: .72rem; padding: 0 6px; }
.oiw-c4 blockquote { font-family: var(--fude); font-size: 1.1rem; margin: 0 0 6px; padding-left: 14px; border-left: 4px solid var(--waka); }
.oiw-c5-row { display: flex; gap: 10px; }
.oiw-c5-row img { width: 40%; flex: none; }
.oiw-c6 a { text-decoration: none; display: flex; gap: 12px; align-items: baseline; }
.oiw-c6 .oiw-num { font-size: 2.2rem; color: var(--waka-deep); }
.oiw-c7 figcaption { font-size: .75rem; color: var(--mute); }
.oiw-tagrow { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: .75rem; color: var(--momo-deep); }
.oiw-c8 { border: 1px solid var(--rule); }
.oiw-c9 { display: flex; gap: 12px; }
.oiw-c9-fig { flex: 0 0 38%; }
.oiw-c10 { background: var(--waka-pale); }
.oiw-c10 a { text-decoration: none; display: block; }
.oiw-c11 header { display: flex; justify-content: space-between; font-size: .75rem; border-bottom: 1px solid var(--ink); }
.oiw-c12 { padding: 0; background: none; }
.oiw-c13 { border-left: 4px solid var(--momo); }
.oiw-c14 { border: 1px solid var(--rule); }
.oiw-c15 { display: flex; gap: 10px; align-items: center; }
.oiw-c15 figure { flex: 0 0 34%; }
.oiw-c16 { background: var(--waka-pale); }
.oiw-c17 { border-top: 3px double var(--ink); }
.oiw-c18 { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 20px; background: none; padding: 0; }
.oiw-c18 h3 { font-family: var(--fude); font-weight: 400; font-size: 1.5rem; }
.oiw-c19 figure { position: relative; }
.oiw-c19 figcaption h3 { font-size: .98rem; margin-top: 8px; }
.oiw-c20 footer { display: flex; justify-content: space-between; font-size: .75rem; color: var(--mute); }
.oiw-c21-top { display: flex; justify-content: space-between; align-items: baseline; font-size: .8rem; }
.oiw-c21 .oiw-num { font-size: 1.4rem; color: var(--momo-deep); }
.oiw-c22 { padding: 0; }
.oiw-c22 a { display: block; position: relative; text-decoration: none; }
.oiw-c22-cap { background: var(--white); margin: -36px 12px 0; position: relative; padding: 8px 12px; border-top: 4px solid var(--waka); }
.oiw-c23 blockquote { font-size: .9rem; margin: 0 0 8px; padding: 6px 10px; background: var(--momo-pale); }
.oiw-c24 header { background: var(--waka); padding: 8px 10px; margin: -14px -14px 10px; }
.oiw-c24 section { display: flex; gap: 10px; }
.oiw-c24 section img { width: 50%; }
.oiw-c25 { display: grid; grid-template-columns: 40% 1fr; gap: 8px 12px; }
.oiw-c25 ol { grid-column: 1 / -1; display: flex; gap: 16px; padding-left: 1.2em; margin: 0; font-size: .78rem; color: var(--mute); }
.oiw-c26 { border: 1px solid var(--ink); }
.oiw-c27 { display: flex; gap: 12px; background: var(--paper); border-left: 6px solid var(--momo); }
.oiw-c27 aside { flex: 0 0 34%; }

/* ---------------------------------------------------------------- 記事 */
.oiw-art { max-width: 1080px; margin: 0 auto; }
.oiw-art-head { text-align: center; padding: 18px 0 10px; }
.oiw-stance { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; padding: 4px 16px 4px 4px; border: 2px solid var(--ink); margin: 0 0 10px; }
.oiw-stance span { background: var(--ink); color: var(--white); padding: 0 8px; font-size: .75rem; }
.oiw-stance--give { background: var(--momo); }
.oiw-stance--recv { background: var(--waka); }
.oiw-art-cat { font-size: .8rem; margin: 0 0 6px; }
.oiw-art-title { font-size: clamp(1.7rem, 4vw, 2.7rem); max-width: 900px; margin: 0 auto .4em; line-height: 1.4; }
.oiw-art-meta { list-style: none; padding: 0; margin: 0 0 16px; display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 18px; font-size: .8rem; color: var(--mute); }
.oiw-art-eye { margin: 0 auto; max-width: 960px; }
.oiw-art-eye img { width: 100%; }
/* 雑誌の目次ページ風 */
.oiw-toc { max-width: 760px; margin: 30px auto; background: var(--white); border: 1px solid var(--ink); padding: 18px 22px; }
.oiw-toc-h { display: flex; align-items: baseline; gap: 14px; border-bottom: 3px double var(--ink); padding-bottom: 6px; margin-bottom: 8px; font-weight: 700; }
.oiw-toc-h span { font-family: Georgia, serif; font-size: 1.6rem; letter-spacing: .12em; }
.oiw-toc ol { list-style: none; padding: 0; margin: 0; }
.oiw-toc a { display: flex; gap: 12px; align-items: baseline; padding: 5px 0; text-decoration: none; border-bottom: 1px dotted var(--rule); }
.oiw-toc-no { font-family: Georgia, serif; font-style: italic; font-size: 1.25rem; color: var(--momo-deep); min-width: 2em; }
.oiw-toc-t { flex: 1; }
.oiw-body { max-width: 1000px; margin: 0 auto; }
.oiw-body h2 { font-family: var(--fude); font-weight: 400; font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 2.2em 0 .8em; scroll-margin-top: 16px; }
.oiw-body h3 { font-size: 1.15rem; margin: 1.6em 0 .6em; }
.oiw-body img { margin: 10px auto; }
.oiw-body figure { margin: 18px 0; }
.oiw-body figcaption { font-size: .78rem; color: var(--mute); text-align: center; }
.oiw-tbl { overflow-x: scroll; scrollbar-width: auto; scrollbar-color: var(--momo) var(--momo-pale); max-width: 100%; margin: 16px 0; -webkit-overflow-scrolling: touch; }
.oiw-tbl table { border-collapse: collapse; min-width: 480px; width: 100%; font-size: .9rem; background: var(--white); }
.oiw-tbl th, .oiw-tbl td { border: 1px solid var(--rule); padding: 8px 10px; vertical-align: top; }
.oiw-tbl thead th { background: var(--momo-pale); white-space: nowrap; }
.oiw-tbl tbody th { background: var(--waka-pale); text-align: left; }
/* 出典は欄外の小注（PCは右の余白、スマホはセクション末尾） */
.oiw-body .oiw-sec { display: grid; grid-template-columns: minmax(0, 1fr); }
.oiw-mnote { font-size: .76rem; line-height: 1.6; color: var(--mute); border-top: 1px solid var(--ink); padding-top: 6px; margin: 14px 0 0; }
.oiw-mnote b { display: block; color: var(--ink); font-size: .72rem; letter-spacing: .2em; }
.oiw-mnote a { color: var(--waka-deep); }
@media (min-width: 1100px) {
	.oiw-body .oiw-sec { grid-template-columns: minmax(0, 1fr) 190px; column-gap: 30px; }
	.oiw-body .oiw-sec > * { grid-column: 1; }
	.oiw-body .oiw-sec > .oiw-mnote { grid-column: 2; grid-row: 2 / span 30; align-self: start; position: sticky; top: 20px; margin: 0; }
}
.oiw-art-tags { display: flex; flex-wrap: wrap; gap: 6px 12px; max-width: 1000px; margin: 24px auto; font-size: .85rem; }
.oiw-related, .oiw-sitesbox { max-width: 1080px; margin: 40px auto; }
.oiw-related h2 { font-size: 1.6rem; text-align: center; }

/* ---------------------------------------------------------------- 紹介サイト（12変種） */
.oiw-sitesbox { background: var(--white); border-top: 4px double var(--ink); padding: 18px 16px; }
.oiw-sitesbox-h { font-size: 1.15rem; font-weight: 700; }
.oiw-sites { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 14px; }
.oiw-s { min-width: 0; padding: 10px 12px; margin: 0; font-size: .84rem; }
.oiw-s h4 { font-size: .95rem; margin: 0 0 4px; }
.oiw-s p { margin: 0 0 4px; }
.oiw-s0 { border-left: 4px solid var(--momo); }
.oiw-s1 { display: flex; flex-direction: column; }
.oiw-s1 span, .oiw-s5 small, .oiw-s10 footer, .oiw-s2 header, .oiw-host { color: var(--mute); font-size: .75rem; }
.oiw-s1 { background: var(--momo-pale); }
.oiw-s2 { border: 1px solid var(--rule); }
.oiw-s3 dl { margin: 0; }
.oiw-s3 dt { font-weight: 700; }
.oiw-s3 dd { margin: 0; }
.oiw-s4 { background: var(--waka-pale); }
.oiw-s5 { display: flex; gap: 10px; align-items: flex-start; }
.oiw-s-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--waka); flex: none; margin-top: 5px; }
.oiw-s6 blockquote { margin: 0 0 4px; font-style: normal; }
.oiw-s6 { border: 1px dashed var(--ink); }
.oiw-s7 ul { list-style: none; padding: 0; margin: 0; }
.oiw-s7 li:first-child { font-weight: 700; }
.oiw-s8 { border-top: 3px solid var(--waka); }
.oiw-s9 { display: grid; }
.oiw-s9 em { font-style: normal; }
.oiw-s9 { background: var(--paper); }
.oiw-s10 { border-bottom: 2px solid var(--momo); }
.oiw-s11 hr { border: 0; border-top: 1px dotted var(--rule); margin: 6px 0 0; }
.oiw-sitewords { font-size: .84rem; padding-left: 1.2em; margin: 16px 0 0; columns: 2 320px; }

/* ---------------------------------------------------------------- 一覧ページ・固定ページ */
.oiw-arch-head { padding: 26px 0 18px; border-bottom: 1px solid var(--ink); margin-bottom: 18px; }
.oiw-arch-head--cat { display: flex; gap: 20px; align-items: flex-start; }
.oiw-arch-ico { background: var(--momo); padding: 10px; flex: none; }
.oiw-arch-head h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
.oiw-arch-head h1 small { font-size: .9rem; font-family: var(--go); margin-left: 8px; }
.oiw-arch-hash { font-family: Georgia, serif; font-size: 4rem; line-height: 1; margin: 0; color: var(--waka-deep); }
.oiw-arch-desc { color: var(--ink); font-size: .95rem; max-width: 760px; }
.oiw-backhub { text-align: center; margin: 30px 0; font-weight: 700; }
.oiw-page { max-width: 860px; margin: 0 auto; }
.oiw-page-head { text-align: center; padding: 26px 0 10px; border-bottom: 3px double var(--ink); margin-bottom: 20px; }
.oiw-search label { font-size: .85rem; font-weight: 700; display: block; }
.oiw-search div { display: flex; gap: 6px; max-width: 520px; }
.oiw-search input { flex: 1; min-width: 0; padding: 8px 10px; border: 1px solid var(--ink); }
.oiw-search button { background: var(--ink); color: var(--white); border: 0; padding: 0 18px; }
.oiw-404 { text-align: center; padding: 40px 0; }
.oiw-404-n { font-family: var(--fude); font-size: 5rem; margin: 0; color: var(--momo-deep); }
.oiw-404 .oiw-search div { margin: 0 auto; }
.nav-links { display: flex; gap: 10px; justify-content: center; }

/* ---------------------------------------------------------------- フッター（奥付） */
.oiw-colophon { background: var(--white); border-top: 4px double var(--ink); margin-top: 60px; }
.oiw-colophon-in { max-width: var(--wrap); margin: 0 auto; padding: 30px 16px; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 24px; font-size: .86rem; }
.oiw-colophon-logo { display: flex; gap: 10px; align-items: center; font-family: var(--fude); font-size: 1.2rem; }
.oiw-colophon-h { font-weight: 700; border-bottom: 1px solid var(--ink); margin: 0 0 6px; letter-spacing: .2em; font-size: .8rem; }
.oiw-colophon dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; margin: 0; }
.oiw-colophon dt { color: var(--mute); }
.oiw-colophon dd { margin: 0; }
.oiw-colophon ul { list-style: none; padding: 0; margin: 0 0 12px; }
.oiw-colophon-copy { text-align: center; font-size: .75rem; color: var(--mute); padding: 10px 16px 20px; margin: 0; border-top: 1px solid var(--rule); }

/* ---------------------------------------------------------------- 固定CTA：画面下の短冊（祝儀袋の帯） */
.oiw-tanzaku { position: fixed; left: 0; right: 0; bottom: 10px; z-index: 50; pointer-events: none; padding: 0 12px; }
.oiw-tanzaku-in { pointer-events: auto; max-width: 860px; margin: 0 auto; background: var(--white); border: 1px solid var(--ink); box-shadow: 0 4px 14px rgba(45, 35, 41, .18); display: grid; grid-template-columns: 14px auto auto 1fr 14px; align-items: center; gap: 4px 14px; padding: 0; position: relative; }
.oiw-tanzaku-cord { align-self: stretch; background: repeating-linear-gradient(180deg, var(--momo) 0 4px, var(--white) 4px 6px, var(--waka) 6px 10px, var(--white) 10px 12px); }
.oiw-tanzaku-label { margin: 0; font-size: .8rem; font-weight: 700; padding: 8px 0; white-space: nowrap; }
.oiw-tanzaku-btn { background: var(--momo); color: var(--ink); font-weight: 700; text-decoration: none; padding: 6px 16px; border: 2px solid var(--ink); white-space: nowrap; font-size: .9rem; }
.oiw-tanzaku-btn:hover { background: var(--waka); color: var(--ink); }
.oiw-tanzaku-note { margin: 0; font-size: .62rem; line-height: 1.45; color: var(--mute); max-height: 4.4em; overflow-y: auto; padding: 4px 0; }
@media (max-width: 760px) {
	.oiw-tanzaku { bottom: 0; padding: 0; }
	.oiw-tanzaku-in { grid-template-columns: 8px 1fr auto 8px; gap: 2px 8px; }
	.oiw-tanzaku-cord:first-child { grid-row: 1 / span 2; }
	.oiw-tanzaku-cord:last-child { grid-row: 1 / span 2; grid-column: 4; }
	.oiw-tanzaku-label { white-space: normal; font-size: .74rem; padding: 4px 0 0; }
	.oiw-tanzaku-btn { font-size: .82rem; padding: 4px 10px; margin-top: 4px; }
	.oiw-tanzaku-note { grid-column: 2 / span 2; grid-row: 2; max-height: 3em; }
	body { padding-bottom: 120px; }
}

/* ---------------------------------------------------------------- スマホ：すべて1段・横並びは縦積み */
@media (max-width: 860px) {
	.oiw-hero { grid-template-columns: minmax(0, 1fr); gap: 18px; }
	.oiw-c0, .oiw-c18 { grid-template-columns: minmax(0, 1fr); }
	.oiw-g1 { grid-column: auto; }
}
@media (max-width: 600px) {
	.oiw-sp { display: inline; }
	.oiw-cols2 { column-count: 1; }
	.oiw-logo a { gap: 8px; }
	.oiw-logo .oiw-mark { width: 30px; height: 42px; }
	.oiw-mast-top { flex-wrap: wrap; }
	.oiw-mast-tag { font-size: .7rem; }
	.oiw-c1-row, .oiw-c5-row, .oiw-c9, .oiw-c15, .oiw-c24 section, .oiw-c27, .oiw-g2-row, .oiw-arch-head--cat { flex-direction: column; }
	.oiw-c1-row > a, .oiw-c9-fig, .oiw-c15 figure, .oiw-c27 aside, .oiw-c5-row img, .oiw-c24 section img, .oiw-g2-row img { flex-basis: auto; width: 100%; }
	.oiw-c25 { grid-template-columns: minmax(0, 1fr); }
	.oiw-g1 figcaption { position: static; right: auto; }
	.oiw-toc { padding: 14px; }
	.oiw-board { padding: 8px 12px 14px; }
	.oiw-mast-nav li + li::before { margin: 0 6px; }
}

/* ---------------------------------------------------------------- 役に立ったボタン */
.oiw-helpful { max-width: 760px; margin: 40px auto; text-align: center; padding: 18px; background: var(--white); border: 1px solid var(--ink); position: relative; }
.oiw-helpful::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 6px; background: linear-gradient(90deg, var(--momo) 50%, var(--waka) 50%); }
.oiw-helpful-q { font-weight: 700; margin: 4px 0 10px; }
.oiw-helpful-btn { background: var(--momo); color: var(--ink); border: 2px solid var(--ink); font-weight: 700; padding: 8px 28px; }
.oiw-helpful-btn:disabled { background: var(--waka-pale); }
.oiw-helpful-n { font-size: .82rem; color: var(--mute); margin: 8px 0 0; }

/* ---------------------------------------------------------------- SNSの枠（4変種） */
.oiw-snsbox { margin: 40px 0; padding: 18px 16px; background: var(--white); border-left: 8px solid var(--momo); }
.oiw-snsbox-h { font-size: 1.1rem; }
.oiw-sns { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 12px; }
.oiw-sn { margin: 0; padding: 12px; font-size: .88rem; min-width: 0; }
.oiw-sn-yt { background: var(--momo-pale); }
.oiw-sn-k, .oiw-sn-ig figcaption, .oiw-sn-tt dt, .oiw-sn-x h3 { font-weight: 700; font-size: .95rem; margin: 0 0 4px; }
.oiw-sn-x { border: 1px solid var(--ink); }
.oiw-sn-x ul { margin: 0; padding-left: 1.2em; }
.oiw-sn-ig { background: var(--waka-pale); }
.oiw-sn-tt { border-top: 4px solid var(--waka); }
.oiw-sn-tt dl, .oiw-sn-tt dd { margin: 0; }

/* ---------------------------------------------------------------- トップの統計（7変種） */
.oiw-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; }
.oiw-st { margin: 0; padding: 14px; background: var(--white); min-width: 0; font-size: .84rem; }
.oiw-st h3 { font-size: .95rem; margin: 0 0 4px; }
.oiw-st-n { font-family: Georgia, "Times New Roman", serif; font-size: 2.4rem; line-height: 1.1; margin: 0; color: var(--ink); }
.oiw-st-n small { font-family: var(--go); font-size: .9rem; margin-left: 2px; }
.oiw-st-l { font-weight: 700; margin: 4px 0; }
.oiw-st-s, .oiw-st footer, .oiw-st small { color: var(--mute); font-size: .74rem; }
.oiw-st0 { border-top: 6px solid var(--momo); }
.oiw-st1 { background: var(--momo-pale); }
.oiw-st2 blockquote { margin: 0 0 6px; font-size: 1rem; }
.oiw-st2 { border: 1px dashed var(--ink); text-align: center; }
.oiw-st3 dl, .oiw-st3 dd { margin: 0; }
.oiw-st3 dt { font-weight: 700; }
.oiw-st3 { border-left: 6px solid var(--waka); }
.oiw-st4 { background: var(--waka-pale); }
.oiw-st4 div { display: flex; align-items: baseline; gap: 4px; }
.oiw-st5 { border: 2px solid var(--ink); }
.oiw-st5 ul { margin: 6px 0 0; padding-left: 1.2em; }
.oiw-st6 { border-bottom: 4px double var(--ink); }
.oiw-st6 header { font-size: .74rem; color: var(--mute); }

/* カテゴリー記事（2026-10-15）：章の名前に小さなアイコン、子記事一覧の見出し */
.oiw-art--hub .oiw-art-cat { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px 2px 4px; border: 1px solid var(--waka); border-radius: 999px; background: #fff; }
.oiw-art-cat-ico svg { display: block; }
.oiw-arch-list-h { font-size: clamp(1.25rem, 3.6vw, 1.6rem); margin: 40px 0 16px; padding-bottom: 8px; border-bottom: 3px double var(--momo); }

.oiw-tbl::-webkit-scrollbar { height: 10px; }
.oiw-tbl::-webkit-scrollbar-track { background: var(--momo-pale); }
.oiw-tbl::-webkit-scrollbar-thumb { background: var(--momo); border-radius: 5px; }