:root{--navy:#123f70;--pink:#a84900;--orange:#f39819;--blue:#123f70;--line:#d4dfe9;--column:560px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;background:#eff5fb;color:var(--blue);font:1.25rem/1.6 "Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif}h1,h2,h3,p{margin:0}h2{font-size:2rem;line-height:1.5;font-weight:800}h3{font-size:1.4rem;line-height:1.5}em{color:var(--blue);font-style:normal;text-decoration:underline;text-decoration-color:var(--orange);text-decoration-thickness:5px;text-underline-offset:6px}a{color:inherit}img{max-width:100%;height:auto}button,select{font:inherit}button,summary{cursor:pointer}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}[hidden],.button[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.skip{position:fixed;top:-100px;z-index:60;background:white;padding:12px}.skip:focus{top:8px}.lp-column{max-width:var(--column);margin:auto;background:white;position:relative;--fv-reserved:230px;box-shadow:0 0 32px #123f7010}.rail{display:none}.draft{background:#fff4e5;color:#80501d;font-size:.875rem;line-height:1.5;text-align:center;padding:4px 10px}header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px}header img{height:44px;width:auto;display:block}.header-tag{font-size:1rem;border:1px solid var(--blue);padding:3px 8px;border-radius:4px;font-weight:700}.hero,.hero picture{display:block;background:#fff}.hero img{display:block;width:100%;height:auto;max-height:max(0px,calc(100svh - var(--fv-reserved)));object-fit:contain}.hero-date{padding:4px 10px 10px;font-size:.875rem;text-align:center;line-height:1.5}.button{width:100%;display:flex;justify-content:center;align-items:center;gap:10px;min-height:68px;padding:14px 12px;background:var(--orange);color:#123555;border:0;border-radius:12px;box-shadow:0 4px 0 #b65b00;font-size:1.3rem;font-weight:800;line-height:1.4;text-decoration:none}.button:hover{background:#ffae37}.button svg{width:26px;height:26px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.phone-number{display:block;font-size:1rem}.fv-cta{padding:12px 24px 20px}.section{padding:40px 28px;scroll-margin-top:18px}.section h2{margin-bottom:26px}.simulator-section{background:#edf5fd;border-top:8px solid var(--blue)}.sim-period{background:white;border:1px solid var(--line);padding:10px;font-size:1rem;font-weight:700;text-align:center;border-radius:8px;margin-bottom:22px}#rate-form{padding:24px 20px;background:white;border-radius:14px;border:1px solid var(--line)}#rate-form label{display:block;margin-bottom:10px;font-size:1.2rem;font-weight:800}.required{background:var(--blue);color:white;border-radius:4px;padding:3px 6px;font-size:.8rem;margin-left:8px}#rate-form select{display:block;min-height:60px;width:100%;padding:10px 8px;border:2px solid #7493b1;border-radius:8px;background:white;color:var(--blue);font-size:1.125rem}#area-field{margin-top:20px}.fine{font-size:1rem;margin-top:10px}.gas-options{margin:22px 0;border-top:1px solid var(--line);padding-top:18px;font-size:1.05rem}.gas-options[open] summary{margin-bottom:16px}.gas-options summary{font-weight:700}.sim-submit{font-size:1.2rem}.source-details{font-size:1rem;margin-top:24px}.source-details summary{font-weight:700;padding:10px 0}.source-details ul{padding-left:20px;line-height:1.8}.source-details a{display:block}.sim-result{border:2px solid var(--blue);border-radius:14px;background:white;padding:24px 20px;margin-top:28px;scroll-margin-top:20px}.result-label{font-weight:800;font-size:1rem}.sim-result h3{font-size:1.5rem}.model-badge{font-size:1rem;background:#edf5fd;text-align:center;padding:7px;margin-top:12px}.rate-result-card{padding:20px 0;border-bottom:1px solid var(--line)}.rate-kind{font-weight:800;font-size:1.15rem}.rate-difference{margin:10px 0 18px;color:#a84900;line-height:1.4}.rate-difference>span{display:block;font-size:1rem}.rate-difference strong{font-size:2.8rem;font-family:Arial,sans-serif;letter-spacing:-.03em}.rate-difference b{font-size:1.1rem;margin-left:5px;white-space:nowrap}.rate-comparison{display:flex;justify-content:space-between;align-items:center;gap:8px;background:#edf5fd;padding:12px 8px;border-radius:8px;text-align:center;font-size:.95rem}.rate-comparison strong{display:block;font-size:1.35rem}.rate-comparison small{font-size:.875rem;margin-left:2px}.rate-comparison p:last-child strong{color:#a84900}.rate-range{font-size:1.4rem;font-weight:800;color:#a84900}.result-caution,.gas-result-note{font-size:.95rem;margin-top:16px}.result-next{border-top:4px solid var(--orange);margin-top:24px;padding-top:22px}.result-next h3{margin-bottom:22px}.result-next .button{font-size:1.15rem}.plans-section{border-top:8px solid var(--orange)}.simple-services{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:10px 0 28px}.simple-services h3{padding:22px 5px;background:#edf5fd;border-radius:12px;text-align:center;font-size:1.3rem}.simple-services h3+ h3{background:#fff3e3}.simple-services span{display:block;font-size:4rem;line-height:1.2}.simple-services svg{display:block;width:40px;height:70px;margin:auto;color:#bd5900}.solar-section{background:#fff3e3;border-top:8px solid var(--blue)}.solar-section h3{margin-bottom:26px}.closing{padding:40px 28px;border-top:8px solid var(--orange);background:#edf5fd;text-align:center}.closing h2{margin-bottom:24px}.news-card{display:block;text-decoration:none;background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-align:left}.news-card img{display:block;width:100%;height:auto}.news-card h3{padding:18px 18px 10px;font-size:1.35rem}.news-card>span{display:block;padding:0 18px 16px;font-size:.8rem}.mobile-news{margin-top:32px}footer{padding:28px 24px 125px;font-size:1rem}footer>img{display:block;margin:0 auto 20px}footer nav{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;font-size:.95rem}footer small{display:block;margin-top:18px;text-align:center;font-size:.8rem}.mobile-cta{display:flex;align-items:center;gap:10px;position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,560px);z-index:20;background:#fff;padding:10px 14px max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--line)}.mobile-cta>span{font-size:.9rem;white-space:nowrap;font-weight:700}.mobile-cta .button{font-size:1.05rem;min-height:56px;padding:10px 8px}.mobile-cta .button svg{width:22px}dialog{border:0;border-radius:14px;padding:28px;max-width:440px;width:calc(100% - 36px);color:var(--blue)}dialog::backdrop{background:#123f7099}dialog h2{font-size:1.5rem}dialog button{background:var(--blue);color:white;border:0;padding:12px;width:100%;border-radius:8px;margin-top:20px}
@media(min-width:1100px){.rail{display:flex;flex-direction:column;position:fixed;top:0;bottom:0;width:calc((100% - 560px)/2);padding:32px clamp(22px,3vw,64px);justify-content:center;gap:30px;overflow:auto}.rail-brand{left:0}.rail-menu{right:0}.rail-logo{max-width:270px;width:100%;margin-inline:auto;display:block}.rail-logo img{display:block}.rail-brand h2{font-size:1.8rem;text-align:center}.rail-brand .news-card{max-width:360px;margin-inline:auto;width:100%}.rail-menu nav{display:grid;gap:6px}.rail-menu nav a{padding:13px 4px;border-bottom:1px solid var(--line);text-decoration:none;font-size:1.1rem;font-weight:700}.rail-menu nav a[aria-current]{color:#a84900;border-color:var(--orange)}.rail-contact{padding:24px 18px;background:white;border-top:5px solid var(--orange);border-radius:12px}.rail-contact h2{font-size:1.4rem;margin-bottom:22px;text-align:center}.rail-contact .button{font-size:1.05rem}.rail-contact .button svg{width:20px}header,.mobile-cta,.mobile-news{display:none}.lp-column{--fv-reserved:155px}footer{padding-bottom:32px}}
@media(max-width:640px){.section,.closing{padding:32px 22px}h2{font-size:1.8rem}.fv-cta{padding-inline:22px}.button{font-size:1.2rem}.section h2{margin-bottom:22px}.sim-result{padding:22px 18px}}
@media(max-width:360px){header{padding-inline:14px}header img{height:36px}.header-tag{font-size:.875rem}.section,.closing{padding-inline:18px}h2{font-size:1.65rem}#rate-form,.sim-result{padding:20px 14px}#rate-form select{font-size:1rem}.sim-period{font-size:.9rem}.rate-difference strong{font-size:2.25rem}.rate-difference b{font-size:1rem}.rate-comparison{font-size:.875rem;padding-inline:5px}.rate-comparison strong{font-size:1.15rem}.result-next .button{font-size:1rem}.simple-services h3{font-size:1.1rem}.mobile-cta{padding-inline:10px;gap:8px}.mobile-cta .button{font-size:.95rem}.mobile-cta>span{font-size:.8rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* In-flow news banner, never fixed or sticky. */
.breaking-news{position:static;display:flex;align-items:center;justify-content:center;gap:0;background:#ed1406;color:#fff;padding:10px 8px 12px;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:2.35rem;font-weight:900;line-height:1.15;letter-spacing:-.025em;white-space:nowrap}
.breaking-divider{font-weight:500;margin-inline:3px;text-shadow:none}
@media(max-width:640px){.breaking-news{font-size:clamp(1.5rem,6.8vw,2.35rem);padding-block:9px 11px}}