@import url("https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@500;700;800;900&family=Plus+Jakarta+Sans:wght@500;600;700&display=swap");
:root{--ink:#0a2b43;--text:#385a70;--muted:#71899a;--blue:#1f87d2;--blue-deep:#0d69ad;--pale:#e9f7ff;--canvas:#f3f8fb;--line:#dceaf2;--sun:#ffd66b;--shadow:0 26px 80px rgba(23,75,105,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}.skip-link{position:fixed;z-index:3000;left:18px;top:12px;padding:10px 16px;border-radius:999px;color:#fff;background:var(--ink);text-decoration:none;transform:translateY(-160%);transition:transform .18s}.skip-link:focus{transform:none}a:focus-visible{outline:3px solid rgba(31,135,210,.42);outline-offset:4px}
body{max-width:none!important;margin:0!important;padding:0!important;color:var(--text)!important;background:radial-gradient(circle at 8% 12%,rgba(67,174,224,.12),transparent 28rem),linear-gradient(180deg,#f7fbfd 0,#eef6fa 100%)!important;font-family:"Plus Jakarta Sans","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif!important;line-height:1.95!important}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E")}a{color:inherit}
.reading-progress{position:fixed;z-index:2000;top:0;left:0;width:0;height:3px;background:linear-gradient(90deg,var(--blue),#59c8e8,var(--sun));box-shadow:0 0 16px rgba(24,133,194,.45)}
.journal-header{position:sticky;z-index:1000;top:0;height:78px;border-bottom:1px solid rgba(206,226,236,.9);background:rgba(247,251,253,.88);backdrop-filter:blur(18px)}
.journal-header-inner{width:min(1180px,calc(100% - 40px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.journal-brand{display:flex;align-items:center;gap:11px;text-decoration:none}.journal-brand img{width:42px;height:42px;border-radius:13px;box-shadow:0 7px 18px rgba(22,112,164,.16)}
.journal-brand span{display:grid;line-height:1.15}.journal-brand strong{font-family:"M PLUS Rounded 1c",sans-serif;font-size:18px;font-weight:800;color:var(--ink)}.journal-brand small{margin-top:5px;color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.17em}
.journal-actions{display:flex;align-items:center;gap:24px}.journal-actions a{text-decoration:none;font-size:12px;font-weight:700}.journal-actions .judge-link{min-height:44px;padding:0 19px;border-radius:999px;display:inline-flex;align-items:center;color:#fff;background:var(--blue);box-shadow:0 8px 22px rgba(22,133,194,.2)}
.container{position:relative;z-index:1;width:min(820px,calc(100% - 40px))!important;max-width:none!important;margin:74px auto 0!important;padding:64px 74px 72px!important;border:1px solid rgba(214,231,240,.9);border-radius:34px!important;background:rgba(255,255,255,.96)!important;box-shadow:var(--shadow)!important}
.container>.site-header{display:none!important}.breadcrumb{margin:0 0 34px!important;padding:0!important;border:0!important;background:none!important;color:var(--muted)!important;font-size:11px!important;font-weight:700;letter-spacing:.03em}.breadcrumb a{color:var(--blue-deep)!important;text-decoration:none}.breadcrumb:before{content:attr(data-eyebrow);display:block;margin-bottom:20px;color:var(--blue);font-size:9px;font-weight:700;letter-spacing:.18em}
h1{margin:0 0 22px!important;padding:0!important;border:0!important;color:var(--ink)!important;font-family:"M PLUS Rounded 1c",sans-serif!important;font-size:clamp(34px,4.3vw,52px)!important;font-weight:800!important;line-height:1.42!important;letter-spacing:-.025em}
.meta-info{margin:0 0 28px!important;color:var(--muted)!important;font-size:11px!important}.article-hero{position:relative;margin:0 -34px 42px!important}.article-hero:after{content:"洗車と愛車のケアを、正しく考える。";position:absolute;left:22px;bottom:20px;padding:10px 13px;border-left:3px solid var(--sun);color:#fff;background:rgba(6,44,67,.66);backdrop-filter:blur(8px);font-family:"M PLUS Rounded 1c",sans-serif;font-size:13px;font-weight:800}.article-hero img{width:100%!important;max-width:none!important;aspect-ratio:16/10;object-fit:cover;border-radius:22px!important;box-shadow:0 16px 40px rgba(15,61,87,.18)!important;filter:saturate(.88)}
.container>p{margin:0 0 24px!important;font-size:16px!important;line-height:2.05!important}.article-hero+p{color:var(--ink)!important;font-family:"M PLUS Rounded 1c",sans-serif!important;font-size:19px!important;font-weight:700!important;line-height:1.9!important}
h2{margin:72px 0 24px!important;padding:30px 0 0!important;border:0!important;border-top:1px solid var(--line)!important;color:var(--ink)!important;font-family:"M PLUS Rounded 1c",sans-serif!important;font-size:29px!important;font-weight:800!important;line-height:1.55!important}h2:before{content:"SECTION";display:block;margin-bottom:8px;color:var(--blue);font-family:"Plus Jakarta Sans",sans-serif;font-size:9px;font-weight:700;letter-spacing:.18em}
h3{margin:42px 0 16px!important;padding:0!important;border:0!important;color:var(--ink)!important;font-family:"M PLUS Rounded 1c",sans-serif!important;font-size:21px!important;font-weight:800!important;line-height:1.55!important}ul,ol{padding-left:1.4em!important}.container li{margin-bottom:12px!important}
.highlight,.warning-box,.success-box{position:relative;margin:34px 0!important;padding:25px 27px 25px 29px!important;border:0!important;border-radius:18px!important;box-shadow:inset 0 0 0 1px rgba(185,218,234,.7)}
.highlight{background:#eef9ff!important}.highlight:before{content:"POINT";position:absolute;top:-10px;left:20px;padding:4px 9px;border-radius:999px;color:#fff;background:var(--blue);font-size:8px;font-weight:700;letter-spacing:.13em}
.warning-box{background:#fff8e8!important;box-shadow:inset 0 0 0 1px #f2dfad}.warning-box:before{content:"CHECK";position:absolute;top:-10px;left:20px;padding:4px 9px;border-radius:999px;color:#6d5311;background:var(--sun);font-size:8px;font-weight:700;letter-spacing:.13em}
.success-box{background:#effaf5!important;box-shadow:inset 0 0 0 1px #c8e8d9}.success-box:before{content:"ANSWER";position:absolute;top:-10px;left:20px;padding:4px 9px;border-radius:999px;color:#fff;background:#2a9d75;font-size:8px;font-weight:700;letter-spacing:.13em}
.app-cta{position:relative;margin:44px 0!important;padding:31px!important;border-radius:22px!important;overflow:hidden;color:#fff!important;background:linear-gradient(135deg,#116da7,#083e61)!important;box-shadow:0 20px 42px rgba(9,73,112,.2)!important;text-align:left!important}.app-cta:after{content:"";position:absolute;right:-60px;bottom:-90px;width:210px;height:210px;border:1px solid rgba(255,255,255,.14);border-radius:50%}.app-cta .cta-text{position:relative;z-index:1;margin:0 0 20px!important;color:#d8edf7!important;font-size:13px!important;line-height:1.8!important}.app-cta .cta-button{position:relative;z-index:1;min-height:46px;padding:0 18px!important;border-radius:999px!important;display:inline-flex!important;align-items:center;color:var(--ink)!important;background:#fff!important;font-size:12px!important;font-weight:800!important;text-decoration:none!important;box-shadow:none!important}
.step-list{padding:0!important;list-style:none!important;counter-reset:steps}.step-list li{position:relative;margin:0 0 14px!important;padding:22px 22px 22px 66px;border:1px solid var(--line);border-radius:18px;background:#fbfdfe;counter-increment:steps}.step-list li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:20px;top:22px;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.08em}
.recommend-section{margin:62px 0 28px!important;padding:28px!important;border:1px solid var(--line)!important;border-radius:22px!important;background:#f8fcfe!important}.recommend-section h3{margin:0 0 18px!important;font-size:18px!important}.recommend-link{margin-top:10px!important;padding:15px 17px!important;border:1px solid var(--line)!important;border-radius:13px!important;color:var(--ink)!important;background:#fff!important;font-size:13px!important;text-decoration:none!important;transition:.2s}.recommend-link:hover{border-color:var(--blue)!important;transform:translateX(4px)}
.btn-home{min-height:50px!important;margin:38px auto 0!important;border-radius:999px!important;display:flex!important;align-items:center;justify-content:center;color:#fff!important;background:var(--ink)!important;text-decoration:none!important}
.article-toc{position:fixed;z-index:10;top:142px;left:max(24px,calc(50% - 650px));width:220px;padding:22px 18px;border:1px solid rgba(210,229,238,.9);border-radius:20px;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);box-shadow:0 15px 44px rgba(31,85,113,.08)}.article-toc>p{margin:0 0 13px;color:var(--muted);font-size:8px;font-weight:700;letter-spacing:.18em}.article-toc a{position:relative;padding:8px 4px 8px 15px;display:block;color:var(--muted);font-size:10px;font-weight:700;line-height:1.55;text-decoration:none}.article-toc a:before{content:"";position:absolute;left:0;top:14px;width:5px;height:5px;border-radius:50%;background:#c5dae5}.article-toc a.is-active{color:var(--blue-deep)}.article-toc a.is-active:before{background:var(--blue);box-shadow:0 0 0 4px rgba(22,133,194,.1)}
.author-bio-box{border:1px solid var(--line)!important;border-radius:20px!important;background:#f4fbff!important;box-shadow:none!important}.author-bio-box img{width:52px!important;height:52px!important;border-radius:16px!important}.author-bio-box p{color:var(--text)!important}.author-bio-box p:first-child{color:var(--blue-deep)!important}
footer{position:relative;z-index:1;max-width:none!important;margin:0!important;padding:58px 20px 70px!important;border:0!important;background:transparent!important;color:var(--muted)!important;text-align:center!important;font-size:11px!important}footer a{color:var(--muted)!important}
/* --- 記事内CTA（A: 末尾 / C-1: 記事後半 / D-2: 記事前半） --- */
.dot-teal{background:#1DE9B6}.dot-green{background:#66BB6A}.dot-amber{background:#FFC107}.dot-orange{background:#FF9800}.dot-red{background:#FF6B6B}
.cta-app{margin:44px 0!important;padding:34px 32px!important;border-radius:24px!important;text-align:center!important;background:linear-gradient(135deg,#EBF5FF 0%,#ffffff 60%)!important;border:1px solid var(--line)!important;box-shadow:0 10px 30px rgba(31,135,210,.08)!important}
.cta-app-badge{display:inline-block;padding:6px 14px;border-radius:100px;background:#E8F4FF;color:#007BFF;font-size:11px;font-weight:700;margin-bottom:14px}
.cta-app h4{margin:0 0 8px!important;font-family:"M PLUS Rounded 1c",sans-serif!important;font-size:21px!important;font-weight:800!important;color:#1a1a2e!important}
.cta-app p{margin:0 0 20px!important;font-size:13px!important;color:#555e7a!important}
.cta-app-button{display:inline-flex;align-items:center;gap:8px;min-height:50px;padding:0 30px;border-radius:100px;background:linear-gradient(135deg,#F97316,#ea6c0a);color:#fff!important;font-size:14px;font-weight:800;font-family:"M PLUS Rounded 1c",sans-serif;text-decoration:none;box-shadow:0 8px 22px rgba(249,115,22,.3);transition:transform .2s}
.cta-app-button:hover{transform:translateY(-2px)}
.cta-app-proof{margin-top:14px;font-size:11px;color:#555e7a}.cta-app-proof b{color:#F5A623;letter-spacing:.04em}
.cta-judge{margin:44px 0!important;padding:30px 32px!important;border-radius:22px!important;background:#fff!important;border:1px solid var(--line)!important;box-shadow:0 14px 34px rgba(23,75,105,.1)!important}
.cta-judge-dots{display:flex;gap:8px;margin-bottom:14px}.cta-judge-dots span{width:14px;height:14px;border-radius:50%}.cta-judge-dots .dot-teal{box-shadow:0 0 10px rgba(29,233,182,.6)}
.cta-judge h4{margin:0 0 6px!important;font-family:"M PLUS Rounded 1c",sans-serif!important;font-size:19px!important;font-weight:800!important;color:var(--ink)!important}
.cta-judge p{margin:0 0 18px!important;font-size:13px!important;color:var(--muted)!important}
.cta-judge-button{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 24px;border-radius:999px;background:var(--ink);color:#fff!important;font-size:13px;font-weight:800;text-decoration:none;transition:background .2s}
.cta-judge-button:hover{background:var(--blue-deep)}
.cta-judge-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cta-strip{margin:36px 0!important;display:flex;align-items:center;gap:18px;padding:18px 22px!important;border-radius:16px!important;background:#fff!important;border:1px solid var(--line)!important;box-shadow:0 6px 18px rgba(23,75,105,.07)!important;position:relative;overflow:hidden}
.cta-strip:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#1DE9B6,#FFC107,#FF6B6B)}
.cta-strip-dots{flex-shrink:0;display:grid;grid-template-columns:repeat(3,10px);gap:5px}.cta-strip-dots span{width:10px;height:10px;border-radius:50%}
.cta-strip-text{flex:1;margin:0!important;font-size:13px!important;color:var(--ink)!important;font-weight:700;line-height:1.7!important}
.cta-strip-text small{display:block;font-weight:500;color:var(--muted);font-size:11px}
.cta-strip-button{flex-shrink:0;display:inline-flex;align-items:center;min-height:42px;padding:0 18px;border-radius:999px;background:var(--ink);color:#fff!important;font-size:12px;font-weight:800;text-decoration:none}
.cta-strip-button:hover{background:var(--blue-deep)}
@media(max-width:560px){.cta-strip{flex-wrap:wrap}.cta-strip-button{width:100%;justify-content:center}.cta-app{padding:28px 22px!important}}
@media(max-width:1220px){.article-toc{display:none}}
@media(max-width:700px){.journal-header{height:70px}.journal-header-inner{width:calc(100% - 28px)}.journal-actions>a:first-child{display:none}.journal-brand img{width:38px;height:38px}.journal-brand strong{font-size:16px}.container{width:calc(100% - 24px)!important;margin-top:28px!important;padding:36px 23px 46px!important;border-radius:26px!important}.breadcrumb{margin-bottom:25px!important}.breadcrumb .current{display:none}h1{font-size:34px!important}.article-hero{margin:0 -10px 34px!important}.article-hero:after{left:12px;bottom:12px;font-size:11px}.container>p{font-size:15px!important}.article-hero+p{font-size:17px!important}h2{margin-top:58px!important;font-size:25px!important}h3{font-size:19px!important}.highlight,.warning-box,.success-box{padding:23px 20px!important}.app-cta{padding:25px 22px!important}.app-cta .cta-button{width:100%;justify-content:center}.step-list li{padding:20px 18px 20px 55px}.recommend-section{padding:20px!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.recommend-link{transition:none}}