:root{--rfd-ink:#1c1712;--rfd-paper:#fff7e8;--rfd-paper2:#fff0cf;--rfd-red:#ff3b3b;--rfd-yellow:#ffd93b;--rfd-blue:#3b82f6;--rfd-pink:#ff5fa2;--rfd-green:#2bbf73;--rfd-muted:#6b5e4d;--rfd-border:3px solid var(--rfd-ink);--rfd-shadow:5px 5px 0 var(--rfd-ink);--rfd-shadow-sm:3px 3px 0 var(--rfd-ink);--rfd-readw:780px}
body#top{margin:0;color:var(--rfd-ink);background-color:var(--rfd-paper);background-image:radial-gradient(rgba(28,23,18,.1) 1.4px,transparent 1.5px),radial-gradient(rgba(59,130,246,.07) 1.4px,transparent 1.5px);background-size:16px 16px,16px 16px;background-position:0 0,8px 8px;font-family:"Noto Sans JP",system-ui,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
.skip-link{position:absolute;left:-9999px;top:0;z-index:9999;padding:8px 16px;background:var(--rfd-red);color:#fff;font-weight:900;border:var(--rfd-border);border-radius:0 0 10px 0;text-decoration:none}
.skip-link:focus{left:8px;top:8px}
.page-sec-nav{position:sticky;top:54px;z-index:998;background:var(--rfd-yellow);border-bottom:var(--rfd-border);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.page-sec-nav::-webkit-scrollbar{display:none}
.page-sec-nav-inner{display:flex;align-items:stretch;justify-content:center;width:max-content;min-width:100%;margin:0 auto;padding:0 8px;white-space:nowrap}
.page-sec-nav a{color:var(--rfd-ink);font-family:"Montserrat","Noto Sans JP",sans-serif;font-size:.76rem;font-weight:900;letter-spacing:.03em;padding:9px 13px;text-decoration:none;border-bottom:4px solid transparent;transition:background .15s,border-color .15s,transform .1s}
.page-sec-nav a:hover,.page-sec-nav a:focus-visible{background:var(--rfd-ink);color:var(--rfd-yellow);border-bottom-color:var(--rfd-red);outline:none}
.page-sec-nav a.is-active{background:var(--rfd-red);color:#fff;border-bottom-color:var(--rfd-ink)}
@media (max-width:480px){.page-sec-nav a{padding:8px 10px;font-size:.7rem}}
.rfd-sfx{display:inline-block;font-family:"Bangers","Noto Sans JP",cursive;letter-spacing:.04em;font-size:clamp(1.3rem,5vw,2.1rem);line-height:1;padding:.35em .7em;color:var(--rfd-yellow);background:var(--rfd-red);border:var(--rfd-border);border-radius:8px 16px 10px 14px;box-shadow:var(--rfd-shadow);transform:rotate(-4deg);text-shadow:2px 2px 0 var(--rfd-ink)}
.rfd-sfx--blue{background:var(--rfd-blue);color:#fff;transform:rotate(3deg)}
.rfd-sfx--yellow{background:var(--rfd-yellow);color:var(--rfd-ink);text-shadow:1px 1px 0 #fff;transform:rotate(-2deg)}
.rfd-sfx--pink{background:var(--rfd-pink);color:#fff;transform:rotate(2deg)}
.rfd-sfx-row{text-align:center;margin:1.4rem 0}
.rfd-bubble{position:relative;max-width:560px;margin:1.5rem auto;padding:1rem 1.25rem;background:#fff;border:var(--rfd-border);border-radius:22px;box-shadow:var(--rfd-shadow);font-weight:700;font-size:1.05rem}
.rfd-bubble::after{content:"";position:absolute;left:42px;bottom:-22px;border-width:22px 18px 0 0;border-style:solid;border-color:var(--rfd-ink) transparent transparent transparent}
.rfd-bubble::before{content:"";position:absolute;left:45px;bottom:-16px;border-width:16px 13px 0 0;border-style:solid;border-color:#fff transparent transparent transparent;z-index:1}
.rfd-bubble strong{color:var(--rfd-red)}
.rfd-hero{position:relative;overflow:hidden;margin:0;padding:clamp(2.2rem,6vw,3.6rem) 1.25rem clamp(1.8rem,4vw,2.6rem);text-align:center;background:repeating-linear-gradient(135deg,rgba(255,217,59,.55) 0 22px,rgba(255,247,232,.55) 22px 44px),radial-gradient(circle at 50% 0,var(--rfd-yellow),var(--rfd-paper) 70%);border-bottom:var(--rfd-border)}
.rfd-hero__inner{position:relative;z-index:1;max-width:880px;margin:0 auto}
.rfd-hero__kicker{display:inline-block;font-family:"Bangers","Noto Sans JP",cursive;font-size:clamp(1rem,3.4vw,1.4rem);letter-spacing:.06em;color:#fff;background:var(--rfd-blue);border:var(--rfd-border);box-shadow:var(--rfd-shadow-sm);padding:.25em .9em;border-radius:10px;transform:rotate(-1.5deg);text-shadow:2px 2px 0 var(--rfd-ink)}
.rfd-hero__title{margin:1rem 0 .6rem;font-size:clamp(2rem,7vw,3.4rem);font-weight:900;line-height:1.2;letter-spacing:.01em;color:#fff;text-shadow:3px 3px 0 var(--rfd-ink),-2px -2px 0 var(--rfd-ink),2px -2px 0 var(--rfd-ink),-2px 2px 0 var(--rfd-ink),6px 6px 0 var(--rfd-red)}
.rfd-hero__title b{color:var(--rfd-yellow)}
.rfd-hero__catch{margin:.2rem 0 1rem;font-size:clamp(1.05rem,3.2vw,1.35rem);font-weight:900;color:var(--rfd-ink)}
.rfd-hero__lead{max-width:680px;margin:0 auto;font-size:1rem;font-weight:600;background:#fff;border:var(--rfd-border);border-radius:16px;box-shadow:var(--rfd-shadow);padding:1rem 1.2rem}
.rfd-hero__lead strong{background:var(--rfd-yellow);padding:0 .15em;font-weight:900}
.rfd-hero__chips{display:flex;flex-wrap:wrap;justify-content:center;gap:.55rem;margin:1.3rem auto 0;max-width:720px}
.rfd-hero__chip{font-size:.9rem;font-weight:900;padding:.35rem .85rem;background:#fff;border:var(--rfd-border);border-radius:999px;box-shadow:var(--rfd-shadow-sm)}
.rfd-hero__chip--accent{background:var(--rfd-red);color:#fff}
.rfd-main{display:block}
.rfd-section{max-width:var(--rfd-readw);margin:clamp(1.6rem,4vw,2.4rem) auto;padding:clamp(1.3rem,3.5vw,2rem) clamp(1.1rem,3vw,1.8rem);background:#fff;border:var(--rfd-border);border-radius:18px;box-shadow:var(--rfd-shadow)}
.rfd-h2{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;font-size:clamp(1.4rem,4.4vw,1.95rem);font-weight:900;line-height:1.35;margin:0 0 .4rem}
.rfd-h2__no{font-family:"Bangers","Noto Sans JP",cursive;display:inline-block;min-width:1.8em;padding:.05em .4em;font-size:1.05em;color:#fff;background:var(--rfd-blue);border:var(--rfd-border);border-radius:10px;box-shadow:var(--rfd-shadow-sm);text-align:center;text-shadow:2px 2px 0 var(--rfd-ink);transform:rotate(-3deg)}
.rfd-sub{color:var(--rfd-muted);font-size:.98rem;font-weight:700;margin:.1rem 0 1.1rem}
.rfd-h3{display:inline-block;font-size:1.15rem;font-weight:900;margin:1.6rem 0 .5rem;background:var(--rfd-yellow);border:var(--rfd-border);border-radius:10px;box-shadow:var(--rfd-shadow-sm);padding:.25rem .7rem}
.rfd-p{margin:.7rem 0;font-size:1.03rem;font-weight:500}
.rfd-p strong{background:var(--rfd-yellow);padding:0 .12em;font-weight:900}
.rfd-p a,.rfd-source a,.rfd-note a{color:var(--rfd-blue);font-weight:800;text-underline-offset:2px}
.rfd-p a:hover{color:var(--rfd-red)}
.rfd-pull{margin:1.5rem 0;padding:.9rem 1.1rem;background:var(--rfd-ink);color:var(--rfd-yellow);border:var(--rfd-border);border-radius:14px;box-shadow:var(--rfd-shadow);font-size:clamp(1.15rem,3.4vw,1.5rem);font-weight:900;line-height:1.5;text-align:center;transform:rotate(-1deg)}
.rfd-brand{text-align:center;margin:1.4rem 0}
.rfd-brand__card{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.6rem;background:#fff;border:var(--rfd-border);border-radius:14px;box-shadow:var(--rfd-shadow)}
.rfd-brand__card img{width:clamp(150px,40vw,210px);height:auto;display:block}
.rfd-brand__cap{margin:.6rem 0 0;font-size:.88rem;font-weight:700;color:var(--rfd-muted)}
.rfd-box{margin:1.4rem 0;padding:1rem 1.15rem;background:var(--rfd-paper2);border:var(--rfd-border);border-radius:14px;box-shadow:var(--rfd-shadow-sm)}
.rfd-box__h{display:inline-block;margin:-1.5rem 0 .6rem;padding:.25rem .7rem;font-weight:900;font-size:1.02rem;color:#fff;background:var(--rfd-ink);border:var(--rfd-border);border-radius:999px;box-shadow:var(--rfd-shadow-sm)}
.rfd-box__body{margin:0;font-size:.99rem;font-weight:500}
.rfd-box__body strong,.rfd-box__h+.rfd-facts strong{font-weight:900}
.rfd-box--news{background:#ffe3e0}
.rfd-box--news .rfd-box__h{background:var(--rfd-red)}
.rfd-box--rebut{background:#e3eeff}
.rfd-box--rebut .rfd-box__h{background:var(--rfd-blue)}
.rfd-box--howto{background:#dcf7e8}
.rfd-box--howto .rfd-box__h{background:var(--rfd-green)}
.rfd-facts{margin:.5rem 0 0;padding-left:1.3rem}
.rfd-facts li{margin:.45rem 0;font-size:.99rem;font-weight:500}
.rfd-facts li::marker{content:"👉 "}
.rfd-facts li strong{background:rgba(255,217,59,.7);padding:0 .12em;font-weight:900}
.rfd-formula{display:block;margin:.3rem 0;padding:.7rem .9rem;background:#fff;border:2px dashed var(--rfd-ink);border-radius:10px;font-weight:900;text-align:center}
.rfd-table-wrap{margin:1.5rem 0 0;overflow-x:auto;-webkit-overflow-scrolling:touch;border:var(--rfd-border);border-radius:14px;box-shadow:var(--rfd-shadow)}
.rfd-table{border-collapse:collapse;width:100%;min-width:600px;font-size:.92rem;background:#fff}
.rfd-table caption{caption-side:top;text-align:left;font-weight:900;padding:.8rem 1rem .3rem;font-size:1rem;background:var(--rfd-yellow);border-bottom:var(--rfd-border)}
.rfd-table td,.rfd-table th{padding:.7rem .85rem;border-bottom:2px solid var(--rfd-ink);vertical-align:top;text-align:left;line-height:1.6}
.rfd-table thead th{background:var(--rfd-ink);color:var(--rfd-yellow);font-weight:900;white-space:nowrap}
.rfd-table tbody th{font-weight:900;white-space:nowrap}
.rfd-table tbody tr:nth-child(2n){background:var(--rfd-paper2)}
.rfd-table tbody tr:last-child td,.rfd-table tbody tr:last-child th{border-bottom:none}
.rfd-table .plan-price{color:var(--rfd-green);font-weight:900;white-space:nowrap}
.rfd-table .plan-sub{display:block;font-size:.8em;color:var(--rfd-muted);font-weight:700}
.rfd-table-note{margin:.55rem 0 0;font-size:.82rem;font-weight:600;color:var(--rfd-muted);line-height:1.7}
.rfd-table-note a{color:var(--rfd-blue);font-weight:800}
.rfd-source{max-width:var(--rfd-readw);margin:1.4rem auto 0;padding:1rem 1.2rem;background:#fff;border:3px dashed var(--rfd-ink);border-radius:14px;font-size:.9rem;font-weight:500}
.rfd-source__h{font-weight:900;margin:0 0 .4rem}
.rfd-source ul{margin:0;padding-left:1.2rem}
.rfd-source li{margin:.3rem 0}
.rfd-note{max-width:var(--rfd-readw);margin:1rem auto 0;padding:0 1.25rem;font-size:.84rem;font-weight:500;color:var(--rfd-muted);line-height:1.8}
.rfd-sister{max-width:var(--rfd-readw);margin:2rem auto 0;padding:0 1.25rem}
.rfd-sister__kicker{display:inline-block;font-family:"Bangers","Noto Sans JP",cursive;font-size:1.2rem;letter-spacing:.04em;margin-bottom:.8rem;background:var(--rfd-pink);color:#fff;border:var(--rfd-border);border-radius:10px;box-shadow:var(--rfd-shadow-sm);padding:.15em .7em;transform:rotate(-1.5deg)}
.rfd-sister__grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.rfd-sister__card{display:flex;flex-direction:column;gap:.35rem;padding:1rem 1.1rem;background:#fff;border:var(--rfd-border);border-radius:14px;box-shadow:var(--rfd-shadow);text-decoration:none;color:var(--rfd-ink);transition:transform .12s ease,box-shadow .12s ease}
.rfd-sister__card:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--rfd-ink)}
.rfd-sister__tag{font-size:.85rem;font-weight:900;color:var(--rfd-red)}
.rfd-sister__title{font-weight:900;font-size:1.06rem}
.rfd-sister__desc{font-size:.9rem;font-weight:500;color:var(--rfd-muted)}
.rfd-sister__go{margin-top:.2rem;font-weight:900;color:var(--rfd-blue)}
.rfd-cta{max-width:var(--rfd-readw);margin:2.4rem auto;padding:clamp(1.6rem,5vw,2.4rem) 1.4rem;text-align:center;background:var(--rfd-blue);color:#fff;border:var(--rfd-border);border-radius:18px;box-shadow:var(--rfd-shadow)}
.rfd-cta__title{font-size:clamp(1.3rem,4.4vw,1.9rem);font-weight:900;margin:0 0 .5rem;text-shadow:2px 2px 0 var(--rfd-ink)}
.rfd-cta__desc{max-width:640px;margin:0 auto 1.2rem;font-weight:600;font-size:.98rem}
.rfd-cta__btns{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem}
.rfd-cta__btn{text-decoration:none;font-weight:900;font-size:.95rem;padding:.55rem 1.05rem;background:#fff;color:var(--rfd-ink);border:var(--rfd-border);border-radius:999px;box-shadow:var(--rfd-shadow-sm);transition:transform .12s ease}
.rfd-cta__btn:hover{transform:translateY(-2px)}
.rfd-cta__btn--primary{background:var(--rfd-yellow)}
.rfd-hero__title,.rfd-h2,.rfd-h3,.rfd-pull{overflow-wrap:break-word}
.rfd-source{overflow-wrap:anywhere}
.rfd-source a{word-break:break-all}
@media (max-width:640px){body#top{line-height:1.8}.rfd-sister__grid{grid-template-columns:1fr}}
@media (max-width:430px){.rfd-hero{padding-left:1rem;padding-right:1rem}.rfd-section{padding-left:1rem;padding-right:1rem}}
@media (prefers-reduced-motion:reduce){.rfd-sister__card,.rfd-cta__btn{transition:none}}