/* そのさき TOPICS 共通スタイル（reset.css不要・単体で動作） */
:root{--blue:#7f98ab;--blue-d:#5f7a8e;--ink:#444;--sub:#888;--mist:#eef2f4;--line:#e6ebee;--bg:#fcfcfc}
*,::before,::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Serif JP","Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;line-height:2;letter-spacing:.05em;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:6px 12px;z-index:99}
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--blue);z-index:50}

/* サイトヘッダー */
.site-header{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:28px clamp(24px,5vw,64px)}
.site-logo{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:700;color:var(--blue);letter-spacing:.3em;line-height:1.4}
.site-nav{display:flex;gap:clamp(20px,3vw,44px);font-size:clamp(.95rem,1.2vw,1.1rem);letter-spacing:.12em}
.site-nav a{color:var(--sub);border-bottom:1px solid transparent;transition:color .3s,border-color .3s}
.site-nav a:hover{color:var(--blue);border-color:var(--blue)}

/* TOP ヒーロー（縦書きタイトル） */
.hero{position:relative;height:min(70vh,640px);overflow:hidden;background:var(--mist);display:flex;align-items:center;justify-content:center}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(252,252,252,.15),rgba(252,252,252,.7))}
.hero-title{position:relative;z-index:2;writing-mode:vertical-rl;white-space:nowrap;font-size:clamp(2.4rem,5vw,4.2rem);letter-spacing:.45em;line-height:1.2;color:#fff;font-weight:400;text-shadow:0 0 18px rgba(60,80,95,.55);margin:0;padding-top:.45em}
.lead{max-width:640px;margin:0 auto;padding:60px 25px 20px;text-align:center}
.lead h2{font-size:1.2rem;color:var(--blue);margin-bottom:20px}
.lead p{font-size:.95rem}

/* 一覧 */
.wrap{max-width:960px;margin:0 auto;padding:0 24px}
.section-title{position:relative;font-size:1.9rem;color:var(--blue);letter-spacing:.25em;text-align:center;margin:60px 0 24px;padding-bottom:20px}
/* 下線：スクロールで見えた時に中央から左右へ伸びる */
.section-title::after{content:"";position:absolute;left:50%;bottom:0;height:2px;width:90px;background:var(--blue);transform:translateX(-50%)}
.js .section-title::after{width:0;transition:width 1.1s cubic-bezier(.22,.8,.3,1) .2s}
.js .section-title.is-in::after{width:90px}
.section-sub{text-align:center;color:var(--sub);font-size:.85rem;margin-bottom:50px}
.topics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:48px 36px}
.topic-card{display:block}
.topic-card:first-child{grid-column:1/-1}
.card-image{aspect-ratio:16/9;overflow:hidden;background:var(--mist);margin-bottom:16px}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.topic-card:hover .card-image img{transform:scale(1.04)}
.card-category{display:inline-block;font-size:.72rem;color:var(--blue);border:1px solid var(--blue);padding:0 10px;margin-bottom:8px;line-height:1.8}
.card-title{font-size:1.1rem;line-height:1.7;font-weight:700;margin-bottom:6px}
.topic-card:first-child .card-title{font-size:1.4rem}
.card-text{font-size:.85rem;color:var(--sub);line-height:1.9;margin-bottom:6px}
.card-date{font-family:sans-serif;font-size:.78rem;color:#aaa;letter-spacing:.1em}

/* 公式サイト誘導 */
.official{margin:90px 0 0;background:var(--mist);text-align:center;padding:64px 25px}
.official p{margin-bottom:24px;font-size:.95rem}
.btn{display:inline-block;border:1px solid var(--blue);color:var(--blue);padding:10px 36px;background:#fff;transition:background .3s,color .3s}
.btn:hover{background:var(--blue);color:#fff}

/* 記事ページ */
.column-container{max-width:750px;margin:0 auto;background:#fff;padding-bottom:40px}
.breadcrumb{font-size:.75rem;color:var(--sub);padding:0 25px 14px;line-height:1.6}
.breadcrumb li{display:inline}.breadcrumb li+li::before{content:"／";margin:0 .5em;color:#bbb}
.breadcrumb a:hover{color:var(--blue)}
.top-image img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--mist)}
.column-header{padding:50px 25px 30px;text-align:center}
.column-header .card-category{margin-bottom:16px}
.main-title{color:var(--blue);font-size:1.7rem;font-weight:700;line-height:1.6}
.sub-title{display:block;font-size:1rem;color:var(--sub);margin-top:14px;font-weight:400}
.meta{margin-top:18px}
.column-container section{padding:0 40px;margin-bottom:56px}
.column-container h2{color:var(--blue);font-size:1.3rem;font-weight:700;text-align:center;margin-bottom:36px;position:relative;padding-bottom:15px}
.column-container h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:30px;height:1px;background:var(--blue)}
.column-container p{margin-bottom:2rem}
strong{color:var(--blue)}
.highlight-text{color:var(--blue);font-weight:700;font-size:1.1rem;line-height:2.2;padding:10px 0}
.separator{border:0;width:min(200px,50%);margin:50px auto;border-top:1px solid #cfcfcf}
figure.photo{margin:0 0 2rem}
figure.photo figcaption{font-size:.75rem;color:var(--sub);margin-top:8px;text-align:center}
.cast-list{display:grid;gap:30px;margin-bottom:2rem}
.cast-list li{display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:center}
.cast-photo{width:160px;height:160px;object-fit:cover;object-position:top;background:var(--mist)}
.cast-main{grid-template-columns:1fr 1fr;gap:28px}
.cast-main li{display:block}
.cast-photo-wide{width:100%;aspect-ratio:3/2;object-fit:cover;background:var(--mist);margin-bottom:10px}
.cast-list h3{color:var(--blue);font-weight:700;font-size:1.1rem;line-height:1.6;margin-bottom:2px}
.column-container .cast-list p{margin:0;font-size:.9rem;line-height:1.9}

/* 共有・関連 */
.share{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;padding:0 25px;margin-bottom:56px}
.share a,.share button{font:inherit;font-size:.8rem;border:1px solid var(--line);background:#fff;padding:4px 18px;color:var(--sub);cursor:pointer;transition:all .3s}
.share a:hover,.share button:hover{color:var(--blue);border-color:var(--blue)}
.pager{display:flex;justify-content:space-between;gap:16px;padding:0 40px;margin-bottom:56px;font-size:.85rem}
.pager a{flex:1;border-top:1px solid var(--line);padding-top:12px;color:var(--sub);line-height:1.7}
.pager a:hover{color:var(--blue)}.pager .next{text-align:right}.pager small{display:block;color:var(--blue);font-size:.72rem}
.related{background:var(--mist);padding:50px 25px 10px!important;margin:0!important}
.related h2{margin-bottom:30px!important}
.related ul{max-width:640px;margin:0 auto 30px}
.related li a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:.92rem;line-height:1.7}
.related li a:hover{color:var(--blue)}
.related time{display:block;font-family:sans-serif;font-size:.72rem;color:#aaa}

/* フッター */
.column-footer{padding:56px 0 70px;text-align:center;background:#fff;border-top:1px solid #f0f0f0}
.column-footer .footer-name{font-weight:700;color:var(--blue);font-size:1.3rem;margin:0 0 24px}
.sns-container{display:flex;justify-content:center;gap:28px;margin-bottom:24px}
.sns-icon-img{height:30px;width:auto;transition:opacity .3s}
.sns-link:hover .sns-icon-img{opacity:.55}
.copyright{font-family:sans-serif;font-size:11px;color:#aaa;letter-spacing:.15em}
.to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border:1px solid var(--blue);background:#fff;color:var(--blue);cursor:pointer;opacity:0;pointer-events:none;transition:opacity .3s}
.to-top.show{opacity:1;pointer-events:auto}

/* スマホ */
@media(max-width:750px){
 .site-header{padding:16px 20px}
 .site-logo{font-size:1.2rem}
 .site-nav{gap:16px;font-size:.85rem}
 .hero{height:56vh}
 .topics-grid{grid-template-columns:1fr;gap:36px}
 .section-title{text-align:left;font-size:1.6rem;border-left:6px solid var(--blue);padding:0 0 0 14px;margin-bottom:8px}
 .section-title::after{display:none}
 .section-sub{text-align:left;padding-left:20px}
 .lead{text-align:left;padding-top:44px}
 .column-header{text-align:left;padding:36px 25px 20px}
 .main-title{font-size:1.4rem}
 .column-container section{padding:0 25px}
 .column-container h2{text-align:left;margin-bottom:28px;padding:5px 0 5px 15px;border-left:6px solid var(--blue);font-size:1.2rem}
 .column-container h2::after{display:none}
 .cast-main{grid-template-columns:1fr}.cast-list li{grid-template-columns:104px 1fr;gap:16px}.cast-main li{display:block}.cast-photo{width:104px;height:104px}
 .pager{padding:0 25px;flex-direction:column}.pager .next{text-align:left}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}