:root{--primary:#ff7a45;--primary-dark:#e8622e;--secondary:#ffc93c;--accent:#6ec6a3;--bg-primary:#fffbf2;--bg-card:#fff;--text:#2b2018;--text-sub:#8a7b6c;--gold:#c8963e;--color-safe:#2e7d32;--color-caution:#b8860b;--color-danger:#c62828;--cta-exchange:#06c755;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{max-width:100vw;overflow-x:hidden}body{background:var(--bg-primary);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:"M PLUS Rounded 1c",Noto Sans JP,system-ui,sans-serif;line-height:1.7}h1,h2,h3,h4{margin:0 0 .5em;font-family:Zen Maru Gothic,Noto Sans JP,sans-serif;font-weight:700;line-height:1.4}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-main{max-width:960px;margin:0 auto;padding:24px 16px 64px}.site-header{background:var(--bg-card);border-bottom:3px solid var(--secondary);z-index:10;padding-top:var(--safe-top);position:sticky;top:0}.site-header__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;max-width:960px;margin:0 auto;padding:12px 16px;display:flex}.site-header__logo{color:var(--primary-dark);align-items:center;gap:8px;font-family:Zen Maru Gothic,Noto Sans JP,sans-serif;font-size:20px;font-weight:700;display:flex}.site-header__mascot{background:var(--secondary);border-radius:9999px;flex-shrink:0;width:32px;height:32px}.site-header__nav{color:var(--text-sub);gap:16px;font-size:14px;font-weight:700;display:flex}.page-hero{margin-bottom:24px}.page-hero__title{font-size:26px}.page-hero__lead{color:var(--text-sub);margin:0;font-size:15px}.banner-link{background:var(--bg-card);border:2px solid var(--accent);color:var(--text);border-radius:9999px;align-items:center;gap:8px;width:fit-content;max-width:100%;margin:16px 0 24px;padding:10px 16px;font-size:13px;font-weight:700;display:flex}.article-section{margin-bottom:32px}.article-section__title{color:var(--text-sub);border-left:4px solid var(--primary);margin-bottom:12px;padding-left:8px;font-size:16px}.article-grid{grid-template-columns:1fr;gap:16px;display:grid}@media (min-width:640px){.article-grid--l1{grid-template-columns:1fr 1fr}.article-grid--l2{grid-template-columns:1fr 1fr 1fr}}.article-card{background:var(--bg-card);border-radius:20px;padding:16px;transition:transform .15s;display:block;box-shadow:0 4px #e8622e1a,0 8px 16px #ff7a4514}.article-card:hover,.article-card:focus-visible{outline:2px solid var(--primary);outline-offset:2px;transform:translateY(-2px)}.article-card--l1{border:2px solid var(--color-danger);background:#fff4f2}.article-card--l1 .article-card__title{font-size:19px}.article-card--l2{border:1px solid var(--color-caution);padding:12px}.article-card--l2 .article-card__title{font-size:15px}.article-card__head{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:8px;display:flex}.article-card__title{margin:0 0 8px}.article-card__meta{color:var(--text-sub);flex-wrap:wrap;gap:12px;margin-top:8px;font-size:12px;display:flex}.tier-badge{color:#fff;border-radius:9999px;align-items:center;gap:4px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-flex}.tier-badge--l1{background:var(--color-danger)}.tier-badge--l2{background:var(--color-caution)}.tier-badge--l3{background:var(--text-sub)}.category-pill{background:var(--bg-primary);color:var(--text-sub);border:1px solid var(--text-sub);border-radius:9999px;align-items:center;padding:3px 10px;font-size:12px;font-weight:700;display:inline-flex}.change-diff{flex-wrap:wrap;align-items:center;gap:8px;font-size:15px;font-weight:700;display:flex}.change-diff__before{color:var(--text-sub);text-decoration:line-through}.change-diff__arrow{color:var(--primary-dark)}.change-diff__after{color:var(--color-danger)}.article-detail__head{margin-bottom:24px}.article-detail__title{margin-top:8px;font-size:24px}.article-summary{background:var(--bg-card);border-radius:20px;margin-bottom:24px;padding:16px;box-shadow:0 4px #e8622e1a,0 8px 16px #ff7a4514}.article-summary__row{border-bottom:1px dashed #eee0cf;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:6px 0;font-size:14px;display:flex}.article-summary__row:last-child{border-bottom:none}.article-summary__label{color:var(--text-sub);flex-shrink:0}.article-summary__source a{color:var(--primary-dark);font-weight:700;text-decoration:underline}.article-body{white-space:pre-wrap;margin-bottom:32px;font-size:15px}.cta-card{border:2px solid var(--secondary);background:#fff4d6;border-radius:20px;align-items:flex-start;gap:12px;margin:32px 0;padding:20px;display:flex}.cta-card__mascot{background:var(--secondary);border-radius:9999px;flex-shrink:0;width:56px;height:56px}.cta-card__headline{color:var(--primary-dark);margin:0 0 6px;font-family:Zen Maru Gothic,Noto Sans JP,sans-serif;font-size:17px;font-weight:700}.cta-card__text{color:var(--text);margin:0 0 12px;font-size:14px}.cta-card__button{background:var(--primary);border-bottom:4px solid var(--primary-dark);color:#fff;border-radius:9999px;padding:10px 24px;font-size:14px;font-weight:700;display:inline-block}.cta-card__button:active{border-bottom-width:2px;transform:translateY(2px)}.empty-state{text-align:center;color:var(--text-sub);padding:48px 16px}.site-footer{background:var(--text);color:#fff;padding:24px 16px calc(24px + var(--safe-bottom))}.site-footer__inner{max-width:960px;margin:0 auto;font-size:13px}.site-footer__sister a{color:var(--secondary);font-weight:700;text-decoration:underline}.site-footer__copyright{color:#cfc3b4;margin-top:8px}.about-section{background:var(--bg-card);border-radius:20px;margin-bottom:20px;padding:20px;box-shadow:0 4px #e8622e1a,0 8px 16px #ff7a4514}