/* kadenosusume.com v3 — editorial / photo-led. 2026-11-06 Opus 5.5 */
:root{
  --ink:#1C2126; --muted:#5A626A; --paper:#FAF9F6; --white:#FFFFFF;
  --line:#E3E1DB; --blue:#1D4E9E; --blue-d:#163D7C; --night:#14191E;
  --serif:"Shippori Mincho B1","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.9;line-break:strict;overflow-wrap:anywhere}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid #D97706;outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:700;line-height:1.45;letter-spacing:.03em}
p{margin:0}

/* header */
.top{background:var(--white);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 32px;min-height:72px}
.mark{display:flex;align-items:baseline;gap:12px;text-decoration:none}
.mark b{font-family:var(--serif);font-weight:800;font-size:25px;letter-spacing:.06em}
.mark span{font-size:12px;color:var(--muted);letter-spacing:.04em}
.gnav{display:flex;flex-wrap:wrap;gap:0 26px;font-size:15px;font-weight:500}
.gnav a{min-height:44px;display:inline-flex;align-items:center;text-decoration:none}
.gnav a:hover{text-decoration:underline;text-underline-offset:6px}

/* hero: photograph */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:var(--white);background:#2A2F33 center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,18,21,.78) 0%,rgba(15,18,21,.55) 45%,rgba(15,18,21,.05) 80%)}
.hero .wrap{position:relative;width:100%;padding-top:64px;padding-bottom:64px}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.32;max-width:12em}
.hero .lead{margin-top:18px;max-width:30em;font-size:17px;color:#EDEFF1}
.find{display:flex;margin-top:28px;max-width:600px;background:var(--white);border-radius:8px;padding:5px}
.find input{flex:1;min-width:0;border:0;background:transparent;padding:0 14px;height:50px;font:inherit;font-size:16px;color:var(--ink)}
.find input:focus{outline:none}
.find:focus-within{outline:3px solid #D97706;outline-offset:2px}
.find button{border:0;border-radius:6px;background:var(--blue);color:var(--white);font:inherit;font-weight:700;font-size:16px;padding:0 26px;cursor:pointer}
.find button:hover{background:var(--blue-d)}
.asks{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.asks a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid rgba(255,255,255,.7);border-radius:999px;text-decoration:none;font-size:15px}
.asks a:hover{background:var(--white);color:var(--ink)}
@media (max-width:700px){.hero{min-height:520px}.hero::before{background:rgba(15,18,21,.62)}}

/* sections */
.sec{padding:84px 0 0}
.sec > .wrap > h2{font-size:clamp(26px,3vw,34px)}
.sec .intro{margin-top:10px;color:var(--muted);max-width:40em}

/* いま、何を決めたいですか — editorial two-column list */
.decide .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px 64px;align-items:start}
.decide h2{font-size:clamp(26px,3vw,34px)}
.rows{margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.rows li{border-bottom:1px solid var(--line)}
.rows a{display:block;padding:20px 0;text-decoration:none}
.rows a:hover h3{text-decoration:underline;text-underline-offset:6px}
.rows h3{font-size:22px}
.rows p{margin-top:4px;color:var(--muted);font-size:15px}
@media (max-width:820px){.decide .wrap{grid-template-columns:1fr}}

/* 家電から探す — store directory as type */
.index{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:0 40px;margin:28px 0 0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.index li{border-bottom:1px solid var(--line)}
.index a{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px 0;text-decoration:none}
.index b{font-family:var(--serif);font-size:20px}
.index span{font-size:13px;color:var(--muted);text-align:right}
.index a:hover b{color:var(--blue)}

/* 季節の相談 — photo + list */
.season .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px 64px;align-items:start}
.season figure{margin:0}
.season figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}
.season figcaption{margin-top:8px;font-size:13px;color:var(--muted)}
.season h2{font-size:clamp(26px,3vw,34px)}
.qs{margin:20px 0 0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.qs li{padding:18px 0;border-bottom:1px solid var(--line)}
.qs small{font-size:13px;color:var(--blue);font-weight:700}
.qs h3{font-size:19px;margin-top:2px}
.qs p{font-size:14px;color:var(--muted);margin-top:2px}
@media (max-width:820px){.season .wrap{grid-template-columns:1fr}}

/* 書いている人 */
.writer{margin-top:84px;background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.writer .wrap{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px 64px;padding-top:64px;padding-bottom:64px}
.writer h2{font-size:clamp(26px,3vw,34px)}
.writer .body p{margin-top:16px;max-width:36em}
.creds{margin:0;padding:0}
.creds div{padding:12px 0;border-bottom:1px solid var(--line)}
.creds dt{font-weight:700}
.creds dd{margin:0;font-size:14px;color:var(--muted)}
.writer .more{display:inline-block;margin-top:20px;color:var(--blue);font-weight:700}
@media (max-width:820px){.writer .wrap{grid-template-columns:1fr}}

/* 約束 + FAQ */
.promise{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px 48px;margin-top:28px}
.promise h3{font-size:20px}
.promise p{margin-top:6px;color:var(--muted);font-size:15px}
.faq{margin-top:24px;max-width:820px;border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:var(--serif);font-weight:700;font-size:18px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";font-family:var(--sans);color:var(--blue)}
.faq details[open] summary::after{content:"－"}
.faq details p{padding:0 0 20px}

/* footer */
.foot{margin-top:96px;background:var(--night);color:#C9CED3}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;padding-top:40px;padding-bottom:40px;font-size:14px}
.foot b{font-family:var(--serif);font-weight:800;font-size:20px;color:var(--white);letter-spacing:.06em}
.foot a{margin-right:20px}

/* ===== v4: practical layer on top of v3 (2026-11-06 Opus 5.5) ===== */
/* 検索を最上部で大きく：写真は帯にして、検索を主役に */
.hero.compact{min-height:0}
.hero.compact .wrap{padding-top:44px;padding-bottom:40px}
.hero.compact h1{font-size:clamp(26px,3.4vw,38px);max-width:none}
.hero.compact .find{max-width:760px;margin-top:20px}
.hero.compact .find input{height:58px;font-size:17px}
.hero.compact .find button{font-size:17px;padding:0 32px}

/* 症状から探す */
.symptoms{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin:22px 0 0;padding:0;list-style:none}
.symptoms a{display:flex;flex-direction:column;justify-content:center;min-height:72px;padding:12px 16px;background:var(--white);border:1px solid var(--line);border-left:0;border-radius:6px;text-decoration:none;box-shadow:inset 0 -3px 0 var(--blue)}
.symptoms a:hover{border-color:var(--blue)}
.symptoms b{font-size:17px}
.symptoms span{font-size:13px;color:var(--muted)}

/* 家電から探す（写真付き） */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;margin:22px 0 0;padding:0;list-style:none}
.cats a{display:block;text-decoration:none}
.cats .ph{aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:#E9E7E1}
.cats .ph img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.cats a:hover .ph img{transform:scale(1.03)}
@media (prefers-reduced-motion:reduce){.cats .ph img{transition:none}}
.cats b{display:block;margin-top:8px;font-family:var(--serif);font-size:18px}
.cats span{display:block;font-size:13px;color:var(--muted);line-height:1.6}

/* 比較・ランキングの入口 */
.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-top:22px}
.compare a{display:block;padding:22px;background:var(--white);border:1px solid var(--line);border-radius:6px;text-decoration:none}
.compare a:hover{border-color:var(--blue)}
.compare h3{font-size:20px}
.compare p{margin-top:6px;font-size:14px;color:var(--muted)}
.compare em{display:inline-block;margin-top:10px;font-style:normal;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:0 8px}

/* セクションの詰め：実用優先で余白を締める */
.sec{padding-top:64px}
.decide .rows a{padding:16px 0}

/* ===== v5: UI fixes — affordance, rhythm, hierarchy (2026-11-06 Opus 5.5) ===== */
:root{--blue-tint:#EAF0F9;--go:#1D4E9E}
/* 見出し：明朝の字間を詰め、補足を読める大きさに */
h1,h2,h3{letter-spacing:.01em}
.sec .intro{font-size:15px}

/* セクションに強弱：帯の色を交互に */
.band{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-bottom:64px}
.band-blue{background:var(--blue-tint);padding-bottom:64px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:8px 24px}
.sec-head .all{font-size:15px;font-weight:700;color:var(--go);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.sec-head .all:hover{text-decoration:underline;text-underline-offset:5px}

/* 写真の上の相談ボタン：白地で読める */
.hero.compact .asks a{background:rgba(255,255,255,.94);color:var(--ink);border-color:transparent;font-weight:500}
.hero.compact .asks a:hover{background:var(--white);box-shadow:0 0 0 2px var(--white)}

/* 症状ボタン：押せるとすぐ分かる形（アイコン＋矢印、押した感触） */
.symptoms{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.symptoms a{flex-direction:row;align-items:center;gap:14px;min-height:76px;padding:14px 16px;border:1px solid #CFD6E2;border-radius:10px;box-shadow:0 1px 0 #CFD6E2;transition:background .15s,border-color .15s,transform .1s}
.symptoms a:hover{background:#F4F7FC;border-color:var(--go)}
.symptoms a:active{transform:translateY(1px)}
.symptoms .ic{flex:none;width:44px;height:44px;border-radius:50%;background:var(--blue-tint);color:var(--go);display:grid;place-items:center}
.symptoms .ic svg{width:24px;height:24px}
.symptoms .tx{flex:1;min-width:0}
.symptoms .tx b{display:block;font-size:17px;line-height:1.4}
.symptoms .tx span{display:block;font-size:13px;color:var(--muted);line-height:1.5}
.symptoms .go{flex:none;color:var(--go);font-size:22px;line-height:1}

/* 家電から探す：よく見られる4つを大きく、残りは小さく */
.cats-main{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:22px 0 0;padding:0;list-style:none}
.cats-main a{display:block;background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden;text-decoration:none;transition:border-color .15s}
.cats-main a:hover{border-color:var(--go)}
.cats-main .ph{aspect-ratio:4/3;overflow:hidden}
.cats-main .ph img{width:100%;height:100%;object-fit:cover}
.cats-main .tx{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px}
.cats-main b{font-family:var(--serif);font-size:21px}
.cats-main span{display:block;font-size:13px;color:var(--muted)}
.cats-main .go{color:var(--go);font-size:22px}
.cats-sub{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin:14px 0 0;padding:0;list-style:none}
.cats-sub a{display:flex;align-items:center;gap:12px;padding:8px;background:var(--white);border:1px solid var(--line);border-radius:10px;text-decoration:none}
.cats-sub a:hover{border-color:var(--go)}
.cats-sub img{width:72px;height:54px;object-fit:cover;border-radius:6px;flex:none}
.cats-sub b{font-size:16px;flex:1}
.cats-sub .go{color:var(--go);font-size:18px;padding-right:6px}

/* 比較の入口：主ボタンらしく */
.compare a{display:flex;flex-direction:column;border-radius:10px;border-color:#CFD6E2;padding:22px 22px 18px}
.compare .cta{margin-top:auto;padding-top:14px;font-weight:700;color:var(--go);font-size:15px}
@media (prefers-reduced-motion:reduce){.symptoms a,.cats-main a{transition:none}}
/* v5 fit fixes */
.symptoms{grid-template-columns:repeat(auto-fill,minmax(270px,1fr))}
.symptoms .tx b{font-size:16px}
.cats-sub{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.cats-sub b{white-space:nowrap}
.compare em{align-self:flex-start;margin-top:8px}

/* articles (pipeline) */
.art-cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
@media(min-width:900px){.art-cards{grid-template-columns:repeat(4,1fr)}}
#featured .qs{max-width:760px}
.art-cards b{font-size:16px;line-height:1.55}
.art-cards .tx span{font-size:13px}

/* ===== v6 2026-11-06 Opus 5.5: スマホのヘッダー ===== */
@media (max-width:700px){
  .top .wrap{min-height:0;padding-top:10px;padding-bottom:0;gap:2px 0}
  .mark span{display:none}
  .mark b{font-size:20px;letter-spacing:.04em}
  .gnav{width:100%;flex-wrap:nowrap;overflow-x:auto;gap:0 20px;font-size:14px;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin:0 -24px;padding:0 24px}
  .gnav::-webkit-scrollbar{display:none}
  .gnav a{min-height:42px;white-space:nowrap}
}

/* ===== v6 記事ページ ===== */
.art{max-width:720px;margin:0 auto;padding:18px 20px 72px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--muted)}
.crumbs li:not(.sr)+li:not(.sr)::before{content:"›";margin-right:4px}
.crumbs a{text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.art-head{margin-top:20px}
.art-kind{display:flex;gap:6px;font-size:13px;font-weight:700;color:var(--blue)}
.art-kind a{text-decoration:none}
.art h1{margin-top:8px;font-size:clamp(23px,5.8vw,34px);line-height:1.5;letter-spacing:.02em}
.art-meta{margin-top:12px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:2px 14px}
.art-hero{margin:20px 0 0}
.art-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px}
.art-author{display:flex;gap:12px;align-items:center;margin-top:16px;padding:12px 14px;background:var(--white);border:1px solid var(--line);border-radius:10px;text-decoration:none;font-size:12.5px;line-height:1.6;color:var(--muted)}
.art-author b{display:block;font-size:14px;color:var(--ink)}
.art-author .badge{flex:none;width:40px;height:40px;border-radius:50%;background:var(--blue);color:var(--white);display:grid;place-items:center;font-family:var(--serif);font-weight:800;font-size:17px}
.toc{margin-top:22px;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:0 16px}
.toc summary{min-height:50px;display:flex;align-items:center;font-weight:700;font-size:15px;cursor:pointer;list-style:none}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"＋";margin-left:auto;color:var(--muted)}
.toc[open] summary::after{content:"－"}
.toc ol{margin:0 0 14px;padding:0;list-style:none;counter-reset:t;border-top:1px solid var(--line)}
.toc li{counter-increment:t;border-bottom:1px dashed var(--line)}
.toc li:last-child{border-bottom:0}
.toc a{display:flex;gap:10px;padding:10px 0;font-size:14.5px;line-height:1.6;text-decoration:none}
.toc a::before{content:counter(t);flex:none;width:22px;height:22px;margin-top:1px;border-radius:50%;background:#EEF2F8;color:var(--blue);font-size:12px;font-weight:700;display:grid;place-items:center}

.article-body{margin-top:8px;font-size:16.5px;line-height:1.95}
.article-body>*{margin-top:0}
.article-body p,.article-body ul,.article-body ol{margin-top:1.1em}
.article-body .lead p:first-child{margin-top:1.6em}
.article-body h2{scroll-margin-top:16px;margin-top:2.6em;padding-top:.9em;border-top:2px solid var(--ink);font-size:clamp(20px,5vw,26px);line-height:1.5}
.article-body h3{margin-top:2em;padding-left:.7em;border-left:3px solid var(--blue);font-size:18px;line-height:1.55}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body li+li{margin-top:.35em}
.article-body strong{background:linear-gradient(transparent 62%,#FFE8A3 62%)}

.conclusion{margin-top:28px;padding:2px 18px 20px;background:var(--white);border:2px solid var(--blue);border-radius:12px}
.conclusion h2{margin-top:16px;padding-top:0;border-top:0;font-size:19px;color:var(--blue)}
.conclusion h2::before{content:"結論";display:inline-block;margin-right:8px;padding:1px 8px;border-radius:4px;background:var(--blue);color:var(--white);font-family:var(--sans);font-size:12px;vertical-align:3px}

.memo{margin-top:1.6em;padding:14px 16px;background:#FFF8E8;border-left:4px solid #D99A1E;border-radius:0 10px 10px 0}
.memo .memo-label{margin:0 0 4px;font-size:13px;font-weight:700;color:#8A5A00;display:flex;gap:6px;align-items:center}
.memo p{margin-top:.4em;font-size:15.5px}

.article-body div[role=region]{margin-top:1.4em;overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--white)}
.article-body table{width:100%;min-width:0;border-collapse:collapse;font-size:14.5px;line-height:1.7}
.article-body th{background:#F2F1ED;font-weight:700;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tr:last-child td{border-bottom:0}
@media (max-width:640px){
  .article-body div[role=region]:has(table.stack){border:0;background:transparent;overflow:visible}
  table.stack thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  table.stack,table.stack tbody,table.stack tr,table.stack td{display:block;width:100%}
  table.stack tr{margin-top:12px;background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden}
  table.stack td{display:grid;grid-template-columns:7.4em 1fr;gap:10px;padding:9px 14px;border-bottom:1px dashed var(--line)}
  table.stack td::before{content:attr(data-label);font-size:12px;font-weight:700;color:var(--muted);line-height:1.9}
  table.stack td:first-child{display:block;background:#F2F1ED;font-weight:700;font-size:15px;border-bottom:1px solid var(--line)}
  table.stack td:first-child::before{content:none}
  table.stack td:last-child{border-bottom:0}
}

.faq details.faq-item{border-bottom:1px solid var(--line)}
.faq details.faq-item:first-of-type{margin-top:1em;border-top:1px solid var(--line)}
.faq summary{position:relative;padding:15px 32px 15px 2em;font-weight:700;font-size:16px;line-height:1.6;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:0;top:15px;color:var(--blue);font-family:var(--serif);font-weight:800}
.faq summary::after{content:"＋";position:absolute;right:4px;top:15px;color:var(--muted)}
.faq details[open] summary::after{content:"－"}
.faq .faq-a{padding:0 0 16px 2em;font-size:15.5px}
.faq .faq-a p:first-child{margin-top:0}

.art-sources{margin-top:44px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.art-sources summary{min-height:48px;display:flex;align-items:center;font-weight:700;cursor:pointer}
.art-sources ol{margin:0;padding-left:1.4em;line-height:1.7}
.art-sources li{margin-top:6px}
.art-back{margin-top:28px}
.art-back a{display:flex;align-items:center;justify-content:center;min-height:52px;border:1px solid var(--ink);border-radius:8px;font-weight:700;text-decoration:none;background:var(--white)}
.art-back a::after{content:"›";margin-left:8px}
@media (max-width:640px){
  table.grid{font-size:13.5px}
  table.grid th{white-space:normal;font-size:12.5px;padding:8px}
  table.grid td{padding:8px}
  table.grid td:first-child{font-weight:700;width:38%}
}

/* v6.1 iPhone Safari: 2〜3列表の列幅を固定（左列が全幅を取って本文が縦1文字になる不具合） */
.article-body table.grid{table-layout:fixed;width:100%}
.article-body table.grid th,.article-body table.grid td{white-space:normal;word-break:normal;overflow-wrap:anywhere}
.article-body table.grid th:first-child,.article-body table.grid td:first-child{width:36%}
.article-body table.grid td:first-child{white-space:normal!important}

.article-body table.grid:has(th:nth-child(3)) th:first-child,.article-body table.grid:has(th:nth-child(3)) td:first-child{width:22%}


/* v6.2 読み進み具合のバー・目次へ・上へ戻る（2026-11-06） */
.readbar{position:fixed;top:0;left:0;right:0;height:3px;z-index:50;background:transparent;pointer-events:none}
.readbar span{display:block;height:100%;width:0;background:var(--blue);transition:width .1s linear}
.floatnav{position:fixed;right:14px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:40;display:flex;flex-direction:column;gap:10px;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .2s,transform .2s}
.floatnav.show{opacity:1;transform:none;pointer-events:auto}
.floatnav a{width:52px;height:52px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;font-weight:700;box-shadow:0 4px 14px rgba(20,25,30,.18)}
.floatnav .fn-top{background:var(--blue);color:var(--white);font-size:18px;line-height:1}
.floatnav .fn-top small{font-size:10px;margin-top:2px}
.floatnav .fn-toc{background:var(--white);color:var(--ink);border:1px solid var(--line);font-size:12px}
@media (prefers-reduced-motion:reduce){.readbar span,.floatnav{transition:none}}
.toc{scroll-margin-top:12px}

/* v6.3 購入ボタンの箱（Amazon・楽天） */
.buybox{margin-top:1.2em;padding:14px 16px;background:var(--white);border:1px solid var(--line);border-radius:12px}
.buybox .buy-name{margin:0;font-size:14px;font-weight:700;line-height:1.6}
.buy-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.buy-btns a{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:8px;font-weight:700;font-size:15px;text-decoration:none!important;color:#fff!important}
.buy-btns .btn-amazon{background:#E47911}
.buy-btns .btn-rakuten{background:#BF0000}
.buy-btns a:only-child{grid-column:1/-1}

/* v6.4 画像付きの商品カード（楽天市場商品検索APIの画像） */
.buybox.has-img{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start}
.buybox .buy-img{display:block;width:96px;height:96px;border-radius:8px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.buybox .buy-img img{width:100%;height:100%;object-fit:contain}
.buybox.has-img .buy-btns{grid-template-columns:1fr}
@media (min-width:560px){.buybox.has-img{grid-template-columns:130px 1fr}.buybox .buy-img{width:130px;height:130px}.buybox.has-img .buy-btns{grid-template-columns:1fr 1fr}}
.rws-credit{margin-top:14px;font-size:11px;color:var(--muted)}
.rws-credit a{color:var(--muted)}

.ad-note{margin:14px 0 0;font-size:12px;color:var(--muted)}