/* Oto-Niwa COLUMN / scoped to body.otoniwa-column */
:root{--oc-ink:#17191b;--oc-text:#41464a;--oc-muted:#777d82;--oc-line:#e5e5e5;--oc-soft:#f7f7f5;--oc-accent:#aa2b31;--oc-accent-soft:#fbf5f4;--oc-gold:#9e7f4f;}
body.otoniwa-column{background:#fff;color:var(--oc-text);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;}
body.otoniwa-column a{transition:opacity .2s ease,color .2s ease;}
body.otoniwa-column main{display:block;background:#fff;}
.otoniwa-column .oc-shell{width:min(1180px,calc(100% - 48px));margin:0 auto;}
.otoniwa-column .oc-breadcrumb{padding:22px 0 20px;font-size:15px;letter-spacing:.05em;color:#8a8e92;white-space:nowrap;overflow:auto;}
.otoniwa-column .oc-breadcrumb a{color:#555b60;text-decoration:none;}.otoniwa-column .oc-breadcrumb i,.otoniwa-column .oc-breadcrumb__sep{font-style:normal;margin:0 9px;color:#bbb;}

/* Existing real Oto-Niwa image: images/index/index_topimg_2.jpg */
.oc-hero{position:relative;height:330px;display:flex;align-items:center;overflow:hidden;background:#121212 url('../images/index/index_topimg_2.jpg') center 48%/cover no-repeat;}
.oc-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.68),rgba(0,0,0,.30) 58%,rgba(0,0,0,.18));}
.oc-hero__inner{position:relative;width:min(1180px,calc(100% - 48px));margin:0 auto;color:#fff;}
.oc-hero__kicker{font-size:15px;letter-spacing:.28em;margin:0 0 12px;color:#fff;opacity:.86;}
.oc-hero .oc-hero__en{font-family:Georgia,"Times New Roman","Yu Mincho",serif;font-size:52px;line-height:1.05;font-weight:400;letter-spacing:.13em;color:#fff;margin:0 0 15px;padding:0;}
.oc-hero h1.oc-hero__jp{font-family:inherit;font-size:16px;line-height:1.5;font-weight:400;letter-spacing:.24em;margin:0;padding:0;color:#fff;}

.oc-index{padding:20px 0 100px;}
.oc-index__intro{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;padding:30px 0 42px;border-bottom:1px solid var(--oc-line);margin-bottom:34px;}
.oc-index__intro h2{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:29px;line-height:1.55;font-weight:600;color:var(--oc-ink);margin:0;}
.oc-index__intro p{font-size:16px;line-height:2.05;margin:0;color:#000000;}
.oc-index__section-title{font-size:15px;font-weight:600;letter-spacing:.11em;color:var(--oc-ink);margin:0 0 18px;display:flex;align-items:center;gap:12px;}
.oc-index__section-title:before{content:"";width:24px;height:2px;background:var(--oc-accent);display:block;}
.oc-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.oc-card{border:1px solid #dfdfdf;background:#fff;display:flex;flex-direction:column;min-width:0;}
.oc-card__img{display:block;aspect-ratio:16/10;overflow:hidden;background:#f1f1f1;}
.oc-card__img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s ease;}
.oc-card:hover .oc-card__img img{transform:scale(1.025);}
.oc-card__body{padding:19px 19px 17px;display:flex;flex-direction:column;flex:1;}
.oc-card time{font-size:15px;color:#8d9194;margin-bottom:9px;}
.oc-card h2{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:18px;line-height:1.65;color:#1d1f21;font-weight:600;margin:0 0 11px;}
.oc-card h2 a{color:#1d1f21;text-decoration:none;}
.oc-card p{font-size:15px;line-height:1.9;color:#666c70;margin:0 0 18px;}
.oc-card__more{margin-top:auto;font-size:15px;letter-spacing:.12em;color:#333!important;text-decoration:none;text-align:right;}
.oc-card__more:after{content:"→";margin-left:9px;color:var(--oc-accent);}
.oc-index__future{font-size:15px;color:#999;margin:23px 0 0;}

/* Article */
.oc-article{padding-bottom:105px;}
.oc-article__grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:58px;align-items:start;}
.oc-article__main{min-width:0;}
.oc-article__header{padding:10px 0 28px;border-bottom:1px solid var(--oc-line);margin-bottom:28px;}
.oc-article__date{display:block;font-size:15px;letter-spacing:.08em;color:#888d91;margin-bottom:12px;}
.oc-article__title{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:38px;line-height:1.55;letter-spacing:.015em;color:#151719;font-weight:600;margin:0 0 17px;}
.oc-article__author{font-size:16px;font-weight:600;color:#62676b;display:flex;align-items:center;gap:8px;}
.oc-article__author:before{content:"";width:22px;height:1px;background:var(--oc-accent);display:inline-block;}
.oc-photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 10px;}
.oc-photo-grid figure{margin:0;overflow:hidden;background:#eee;}
.oc-photo-grid img{width:100%;height:100%;aspect-ratio:502/350;object-fit:cover;display:block;}
.oc-image-note{font-size:15px!important;line-height:1.7!important;color:#8b8f92!important;margin:0 0 28px!important;}
.oc-lead{font-size:15px;line-height:2.05;color:#454a4e;margin:0 0 24px;}
.oc-conclusion{background:var(--oc-accent-soft);border:1px solid #ead8d6;border-left:3px solid var(--oc-accent);padding:23px 25px;margin:0 0 40px;}
.oc-conclusion h2{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:20px!important;margin:0 0 10px!important;padding:0!important;border:0!important;color:#242628!important;}
.oc-conclusion h2:before{display:none!important;}
.oc-conclusion p{margin:0 0 8px!important;font-size:16px!important;line-height:1.95!important;}.oc-conclusion p:last-child{margin-bottom:0!important;}
.oc-body h2{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:26px;line-height:1.6;font-weight:600;color:#1b1d1f;margin:50px 0 20px;padding:0 0 12px;border-bottom:1px solid #dedede;position:relative;}
.oc-body h2:after{content:"";position:absolute;left:0;bottom:-1px;width:38px;height:2px;background:var(--oc-accent);}
.oc-body h3{font-size:18px;line-height:1.65;font-weight:600;color:#24272a;margin:30px 0 13px;padding-left:13px;border-left:3px solid #c7b28e;}
.oc-body p{font-size:16px;line-height:2.08;color:#444a4e;margin:0 0 17px;padding:0;}
.oc-note{background:#f6f6f6;border-left:3px solid #9da1a4;padding:16px 18px;margin:22px 0 28px;font-size:15px;line-height:1.9;color:#5e6367;}
.oc-list{margin:17px 0 27px;padding:0;list-style:none;counter-reset:ocnum;display:grid;gap:8px;}
.oc-list li{counter-increment:ocnum;position:relative;padding:13px 15px 13px 49px;background:#f8f8f7;border:1px solid #e5e5e2;font-size:15px;line-height:1.75;color:#454a4e;}
.oc-list li:before{content:counter(ocnum,decimal-leading-zero);position:absolute;left:15px;top:13px;font-family:Georgia,serif;color:var(--oc-accent);font-size:15px;font-weight:700;}
.oc-figure{margin:26px 0 32px;}.oc-figure img{display:block;width:100%;height:auto;}.oc-figure--compact{max-width:502px;margin-left:auto;margin-right:auto;}.oc-figure figcaption{font-size:15px;line-height:1.7;color:#8b8f92;margin-top:7px;}
.oc-faq{border-top:1px solid #ddd;margin-top:8px;}.oc-faq details{border-bottom:1px solid #ddd;}.oc-faq summary{cursor:pointer;list-style:none;padding:16px 38px 16px 0;font-size:16px;line-height:1.7;font-weight:600;color:#272a2c;position:relative;}.oc-faq summary::-webkit-details-marker{display:none}.oc-faq summary:after{content:"＋";position:absolute;right:4px;top:15px;color:#777;font-weight:400}.oc-faq details[open] summary:after{content:"?"}.oc-faq details p{padding:0 0 16px;margin:0;font-size:15px;line-height:1.95;color:#000000;}
.oc-author{margin-top:34px;padding:24px 25px;background:#f7f6f3;border:1px solid #e8e5df;}.oc-author__label{font-size:15px;letter-spacing:.15em;color:var(--oc-accent);font-weight:700;margin-bottom:7px}.oc-author h3{border:0;padding:0;margin:0 0 9px;font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:19px;color:#1f2123}.oc-author p{font-size:15px;line-height:1.9;color:#5a6064;margin:0;}
.oc-cta{margin-top:40px;border:1px solid #222;padding:24px 25px;display:flex;justify-content:space-between;align-items:center;gap:25px;}.oc-cta h2{font-family:inherit;font-size:16px;margin:0 0 6px;padding:0;border:0}.oc-cta h2:after{display:none}.oc-cta p{font-size:15px;line-height:1.7;margin:0}.oc-cta__actions{display:flex;gap:9px;flex-shrink:0}.oc-btn{display:inline-flex;align-items:center;justify-content:center;min-height:43px;padding:0 18px;border:1px solid #222;color:#222!important;text-decoration:none;font-size:15px;font-weight:600;background:#fff}.oc-btn--primary{background:#222;color:#fff!important;}

/* Sidebar intentionally has no category list until taxonomy is enabled later */
.oc-side{position:sticky;top:20px;display:grid;gap:20px;}.oc-sidebox{background:#f7f6f3;padding:21px 20px;}.oc-sidebox--white{background:#fff;border:1px solid #e0e0e0}.oc-sidebox h2{font-family:"Yu Mincho","Hiragino Mincho ProN",Georgia,serif;font-size:16px;line-height:1.5;color:#202224;font-weight:600;margin:0 0 13px;padding-bottom:9px;border-bottom:1px solid #dedede;position:relative}.oc-sidebox h2:after{content:"";position:absolute;left:0;bottom:-1px;width:25px;height:2px;background:var(--oc-accent)}.oc-toc ol{margin:0;padding:0;list-style:none;counter-reset:toc;display:grid;gap:9px}.oc-toc li{counter-increment:toc;position:relative;padding-left:22px;font-size:15px;line-height:1.6;color:#555b5f}.oc-toc li:before{content:counter(toc)".";position:absolute;left:0;color:#999}.oc-toc a{color:#555b5f!important;text-decoration:none}.oc-service p{font-size:15px;line-height:1.85;color:#000000;margin:0 0 13px}.oc-service a{font-size:15px;color:#222!important;text-decoration:none;font-weight:600}.oc-reserve{background:#202020;color:#fff;padding:21px 20px}.oc-reserve h2{font-size:17px;color:#fff;border-color:#444}.oc-reserve p{font-size:15px;line-height:1.8;color:#d8d8d8;margin:0 0 13px}.oc-reserve .oc-btn{width:100%;background:#fff;color:#171717!important;border-color:#fff}

/* Do not alter the current Oto-Niwa footer/header design, only guard text color in footer */
.otoniwa-column footer.footer-bg,.otoniwa-column footer.footer-bg p,.otoniwa-column footer.footer-bg li{color:#fff;}

@media(max-width:1024px){.otoniwa-column .oc-shell,.oc-hero__inner{width:min(100% - 36px,1180px)}.oc-article__grid{grid-template-columns:1fr;gap:36px}.oc-side{position:static;grid-template-columns:1fr 1fr}.oc-toc{grid-column:1/-1}}
@media(max-width:767px){.otoniwa-column .oc-shell,.oc-hero__inner{width:calc(100% - 30px)}.oc-hero{height:230px;background-position:44% center}.oc-hero .oc-hero__en{font-size:39px}.oc-hero__jp{font-size:15px}.oc-index{padding-bottom:76px}.oc-index__intro{grid-template-columns:1fr;gap:14px;padding:22px 0 30px}.oc-index__intro h2{font-size:24px}.oc-card-grid{grid-template-columns:1fr}.oc-article__title{font-size:27px}.oc-photo-grid{grid-template-columns:1fr}.oc-body h2{font-size:22px;margin-top:42px}.oc-body h3{font-size:17px}.oc-body p{font-size:16px;line-height:2}.oc-cta{display:block}.oc-cta__actions{margin-top:16px;display:grid}.oc-side{grid-template-columns:1fr}.oc-toc{grid-column:auto}.oc-article{padding-bottom:78px}}