:root{color-scheme:light;--paper:#fcfaf5;--ink:#28372f;--muted:#68736b;--green:#245349;--line:#dedfd5;--accent:#cf7752;--serif:"Yu Mincho","Hiragino Mincho ProN",serif;--sans:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.9 var(--sans);overflow-wrap:break-word;line-break:strict}a{color:var(--green);text-underline-offset:.25em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{max-width:100%;height:auto}button,input{font:inherit}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.55}p{margin-bottom:1.6em}h1{font-family:var(--serif);font-weight:600}li+li{margin-top:.45em}.skip{position:absolute;left:16px;top:-100px;background:white;padding:.5em 1em;z-index:10}.skip:focus{top:10px}.site-header{max-width:1360px;margin:auto;min-height:114px;padding:24px 48px;display:flex;justify-content:space-between;align-items:center;gap:32px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-family:Georgia,serif;font-size:36px;font-weight:700;letter-spacing:-1.5px;line-height:1.1}.brand span{display:block;font:11px/1.8 var(--sans);letter-spacing:.08em;margin-top:8px;color:var(--muted)}.site-header nav{display:flex;gap:32px;font-size:14px}.site-header nav a{text-decoration:none}.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--green);font-weight:700;margin-bottom:20px}.eyebrow span{color:var(--muted);font-weight:400}.home-intro{position:relative;max-width:1250px;padding:90px 48px 100px;margin:auto;isolation:isolate;overflow:hidden}.home-intro h1{font-size:clamp(36px,4.7vw,62px);letter-spacing:.04em;line-height:1.6;margin-bottom:26px}.home-intro>p:not(.eyebrow){color:var(--muted);font-size:17px}.intro-link{font-size:14px;text-decoration:none;border-bottom:1px solid var(--green);padding-bottom:8px;display:inline-flex;gap:60px}.intro-mark{position:absolute;right:55px;top:32px;color:#e9e9dd;font:260px/1 Georgia,serif;letter-spacing:-25px;z-index:-1;transform:rotate(-6deg)}.intro-mark span{display:block;letter-spacing:0;text-align:right;font-size:130px;margin-top:-10px}.article-section{max-width:1250px;margin:auto;padding:0 48px 100px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:32px;border-top:1px solid var(--line);padding-top:36px}.section-heading .eyebrow{margin-bottom:8px}.section-heading h2{font:30px/1.5 var(--serif);margin:0}.section-heading>p{font-size:14px;color:var(--muted);margin:0}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px}.article-card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden}.card-image{display:block;aspect-ratio:16/9;background:#eee;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:contain;transition:transform .25s}.card-image:hover img{transform:scale(1.025)}.card-content{padding:28px 30px 30px}.card-content .eyebrow{margin-bottom:14px}.card-content h2{font:600 22px/1.65 var(--serif);margin-bottom:14px}.card-content h2 a{text-decoration:none}.card-content>p:not(.eyebrow){font-size:15px;color:var(--muted);margin-bottom:24px}.card-link{font-size:14px;font-weight:700;display:inline-flex;gap:25px;text-decoration:none}.card-content small{float:right;font-size:12px;color:var(--muted);margin-top:4px}.home-about{max-width:1154px;margin:0 auto 100px;border-top:1px solid var(--line);padding:50px 0 0;display:grid;grid-template-columns:1fr 1fr;column-gap:60px}.home-about .eyebrow{grid-column:1/-1}.home-about h2{font:30px/1.7 var(--serif);margin-bottom:0}.home-about>p:not(.eyebrow){font-size:16px;color:var(--muted)}.home-about>a{grid-column:2;font-size:14px}.site-footer{max-width:1250px;margin:auto;padding:42px 48px 32px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:24px}.footer-brand{font:26px Georgia,serif;text-decoration:none}.site-footer p{font-size:12px;color:var(--muted);margin:10px 0 0}.site-footer nav{display:flex;flex-direction:column;gap:12px;font-size:13px}.site-footer small{grid-column:1/-1;font-size:11px;color:var(--muted)}
.article-layout{max-width:900px;padding:46px 48px 90px;margin:auto}.back-link{font-size:13px;text-decoration:none;display:inline-block;margin-bottom:44px}.article-header h1{font-size:clamp(28px,3.3vw,42px);margin-bottom:24px;letter-spacing:.015em}.article-dates{font-size:12px;color:var(--muted);display:flex;gap:24px;flex-wrap:wrap;margin-bottom:26px}.article-cover{width:100%;aspect-ratio:16/9;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:4px}.article-disclosure{font-size:12px;color:var(--muted);margin:14px 0 30px}.toc{border:1px solid var(--line);background:#f1f3ec;border-radius:4px;padding:17px 22px;margin:0 0 48px}.toc summary{cursor:pointer;font-size:16px;font-weight:700}.toc summary span{font-weight:400;color:var(--muted);font-size:12px;margin-left:12px}.toc ol{font-size:14px;padding-left:22px;margin-bottom:4px}.toc a{text-decoration:none}.toc-h3{margin-left:1em}.article-body p{margin-bottom:1.65em}.article-body h2{font-family:var(--serif);font-size:27px;border-bottom:2px solid var(--green);padding-bottom:15px;margin:64px 0 28px}.article-body h3{font-size:21px;margin:42px 0 22px;border-left:3px solid var(--accent);padding-left:16px}.article-body figure{margin:32px 0}.article-body figure img{display:block;margin:auto;object-fit:contain}.article-body figcaption{font-size:13px;color:var(--muted);margin-top:12px}.article-body ul,.article-body ol{padding-left:1.5em;margin-bottom:28px}.article-body strong{font-weight:700}.article-body .has-text-align-center{text-align:center}.article-body .has-small-font-size,.article-body .has-xs-font-size{font-size:.9em}.article-body .has-large-font-size,.article-body .has-huge-font-size{font-size:1.2em}.article-body .mark_yellow{background:linear-gradient(transparent 55%,#f5e6a8 55%)}.article-body .mark_blue{background:linear-gradient(transparent 55%,#d9e9e9 55%)}.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}.article-body .cap_box,.article-body .is-style-big_icon_caution,.article-body .is-style-big_icon_point,.article-body .is-style-big_icon_check,.article-body .is-style-border_left,.article-body .is-style-crease,.article-body .is-style-kakko_box{padding:22px 25px;background:#f2f3eb;border:1px solid var(--line);border-radius:4px;margin:30px 0}.article-body .cap_box_ttl{font-weight:700;margin-bottom:12px;color:var(--green)}.article-body .cap_box ul{margin-bottom:0}.article-body .is-style-big_icon_caution{background:#faf0e6;border-color:#e9d4c0}.article-body .c-balloon,.article-body .w_b_wrap{display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;align-items:start;margin:32px 0}.article-body .c-balloon__iconImg,.article-body .w_b_ava_img{width:64px;height:64px;object-fit:contain}.article-body .c-balloon__iconName,.article-body .w_b_name{font-size:12px;text-align:center;color:var(--muted)}.article-body .c-balloon__body,.article-body .w_b_bal_box{padding:18px 22px;background:#f0f2eb;border-radius:6px;min-width:0}.article-body .c-balloon__text p:last-child,.article-body .w_b_quote p:last-child{margin-bottom:0}.article-body .p-blogCard{border:1px solid var(--line);padding:20px;background:white;margin:30px 0}.article-body .p-blogCard__inner{display:grid;grid-template-columns:140px minmax(0,1fr);gap:18px}.article-body .p-blogCard__caption{grid-column:1/-1;font-size:12px;color:var(--muted)}.article-body .p-blogCard figure{margin:0}.article-body .p-blogCard__title{font-size:16px;font-weight:700;text-decoration:none}.article-body .p-blogCard__excerpt{display:block;font-size:12px;color:var(--muted);line-height:1.8;margin-top:10px}.article-body .pochipp-box{padding:22px;background:white;border:1px solid var(--line);display:grid;grid-template-columns:110px minmax(0,1fr);gap:20px;margin:32px 0}.article-body .pochipp-box__image img{width:110px;max-height:130px;object-fit:contain}.article-body .pochipp-box__title{font-size:14px;font-weight:700;line-height:1.8}.article-body .pochipp-box__title a{text-decoration:none}.article-body .pochipp-box__btns{grid-column:1/-1;display:flex;gap:12px;flex-wrap:wrap}.article-body .pochipp-box__btnwrap{flex:1;min-width:130px}.article-body .pochipp-box__btn{display:block;text-align:center;font-size:13px;padding:8px 12px;border:1px solid var(--line);border-radius:3px;text-decoration:none}.article-body .pochipp-box__btn:hover{background:#f3f5ef}.next-article{display:grid;grid-template-columns:1fr auto;gap:8px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;margin:56px 0;text-decoration:none}.next-article>span:first-child{grid-column:1/-1;font-size:12px;color:var(--muted)}.next-article strong{font-size:17px}.comments{margin-top:70px}.comments>header h2{font:30px var(--serif)}.comments>header h2 span{font:14px var(--sans);margin-left:16px;color:var(--muted)}.comments>header p:not(.eyebrow){font-size:14px;color:var(--muted)}.comment-list,.replies{list-style:none;padding:0}.comment-list{margin-top:32px}.comment{padding:26px 0;border-top:1px solid var(--line);scroll-margin-top:25px}.comment header{display:flex;justify-content:space-between;gap:16px;align-items:baseline;margin-bottom:15px}.comment b{font-size:15px}.comment header a{color:var(--muted);font-size:11px;text-decoration:none}.comment-content{font-size:16px;line-height:1.95}.comment-content p:last-child{margin-bottom:0}.replies{border-left:2px solid #cfdace;padding-left:24px;margin-left:22px}.reply{padding:24px 0}.simple-page{max-width:850px;padding:70px 48px 100px;margin:auto;min-height:65vh}.simple-page h1{font-size:clamp(28px,4vw,40px);margin-bottom:35px}.simple-page h2{font:24px/1.6 var(--serif);margin:45px 0 20px}.simple-page .lead{font-size:20px}.simple-page .muted{color:var(--muted);font-size:14px}.contact-link{display:inline-block;padding:12px 20px;border:1px solid var(--green);border-radius:4px;text-decoration:none}
@media(min-width:1400px){.home-intro{padding-top:110px;padding-bottom:115px}}
@media(max-width:1000px){.home-about{margin-left:48px;margin-right:48px}.intro-mark{font-size:210px;right:38px;top:55px}.intro-mark span{font-size:110px}.home-intro h1{font-size:44px}}
@media(max-width:640px){body{font-size:16px}.site-header{padding:21px clamp(18px,5.3vw,22px);min-height:100px;gap:18px}.brand{font-size:29px}.brand span{font-size:9px;letter-spacing:.01em}.site-header nav{font-size:12px;gap:12px;align-items:center}.site-header nav a:last-child{max-width:6em;line-height:1.6}.home-intro{padding:58px clamp(18px,5.3vw,22px) 65px}.home-intro h1{font-size:clamp(30px,7.4vw,39px);line-height:1.75;letter-spacing:.02em}.home-intro>p:not(.eyebrow){font-size:14px}.eyebrow{font-size:11px}.intro-mark{font-size:155px;right:-5px;top:35px;letter-spacing:-14px;opacity:.7}.intro-mark span{font-size:80px}.article-section{padding:0 clamp(18px,5.3vw,22px) 65px}.section-heading{display:block;padding-top:28px;margin-bottom:26px}.section-heading h2{font-size:26px}.section-heading>p{margin-top:15px;font-size:13px}.article-grid{grid-template-columns:1fr;gap:28px}.card-content{padding:24px 22px}.card-content h2{font-size:21px}.card-content>p:not(.eyebrow){font-size:14px}.home-about{display:block;margin:0 clamp(18px,5.3vw,22px) 65px;padding-top:30px}.home-about h2{font-size:26px;margin-bottom:22px}.home-about>p:not(.eyebrow){font-size:15px}.site-footer{padding:30px clamp(18px,5.3vw,22px);grid-template-columns:1fr;gap:28px}.site-footer nav{gap:15px}.site-footer small{grid-column:auto}.article-layout{padding:28px clamp(18px,5.3vw,22px) 60px}.back-link{margin-bottom:30px}.article-header h1{font-size:clamp(25px,6.7vw,32px);line-height:1.65}.article-dates{font-size:11px;gap:7px 15px}.article-disclosure{font-size:11px;line-height:1.8}.toc{padding:15px 18px;margin-bottom:35px}.toc ol{font-size:13px}.article-body h2{font-size:23px;margin-top:48px;padding-bottom:12px}.article-body h3{font-size:19px;margin-top:32px}.article-body .cap_box,.article-body .is-style-big_icon_caution,.article-body .is-style-big_icon_point,.article-body .is-style-big_icon_check,.article-body .is-style-border_left,.article-body .is-style-crease,.article-body .is-style-kakko_box{padding:18px}.article-body .c-balloon,.article-body .w_b_wrap{grid-template-columns:45px minmax(0,1fr);gap:13px}.article-body .c-balloon__iconImg,.article-body .w_b_ava_img{width:45px;height:45px}.article-body .c-balloon__body,.article-body .w_b_bal_box{padding:14px}.article-body .p-blogCard{padding:16px}.article-body .p-blogCard__inner{grid-template-columns:75px minmax(0,1fr);gap:14px}.article-body .p-blogCard__title{font-size:14px}.article-body .p-blogCard__excerpt{font-size:11px}.article-body .pochipp-box{padding:16px;grid-template-columns:70px minmax(0,1fr);gap:14px}.article-body .pochipp-box__title{font-size:12px}.article-body .pochipp-box__image img{width:70px}.article-body .pochipp-box__btnwrap{min-width:100px}.next-article strong{font-size:15px}.comments>header h2{font-size:26px}.comment header{display:block}.comment header a{display:block;margin-top:4px}.comment-content{font-size:15px}.replies{margin-left:9px;padding-left:15px}.simple-page{padding:45px clamp(18px,5.3vw,22px) 65px}.simple-page .lead{font-size:18px}.simple-page h2{font-size:22px}}
.article-header h1,.card-content h2{text-wrap:balance}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Text-only balloons use the full row when no avatar is present. */
.article-body .c-balloon>.c-balloon__body:only-child,.article-body .w_b_wrap>.w_b_bal_box:only-child{grid-column:1/-1}