:root{--ink:#102235;--muted:#6c7d8f;--blue:#0788c5;--blue-dark:#066c9e;--cyan:#36cbe9;--line:#dceaf1;--bg:#f6fcff;--card:#fff;--shadow:0 24px 70px rgba(26,87,119,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:radial-gradient(circle at 8% 10%,rgba(54,203,233,.13),transparent 28%),radial-gradient(circle at 90% 35%,rgba(7,136,197,.08),transparent 25%),var(--bg);font-family:"Noto Sans JP",system-ui,sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(220,234,241,.8)}
/* Ver.51: lock compact premium header title image size */
.brand{min-width:0;flex:0 0 auto}.brand-image{display:block!important;width:286px!important;height:76px!important;max-width:286px!important;max-height:76px!important;object-fit:contain!important;object-position:center!important;border-radius:12px;filter:drop-shadow(0 7px 16px rgba(7,112,165,.10))}
@media(max-width:960px){.brand-image{width:255px!important;height:68px!important;max-width:255px!important;max-height:68px!important}}
@media(max-width:680px){.brand-image{width:235px!important;height:58px!important;max-width:235px!important;max-height:58px!important}}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,#0788c5,#36cbe9);box-shadow:0 10px 24px rgba(7,136,197,.22)}.brand strong{display:block;letter-spacing:.08em;font-size:15px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.1em}.nav-links{display:flex;gap:25px;color:#496074;font-size:13px;font-weight:800}.nav-links a:hover{color:var(--blue)}
.hero{position:relative;overflow:hidden;padding:84px 0 95px}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:70px}.hero-copy{position:relative;z-index:2}.eyebrow{color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.18em}.hero h1{margin:15px 0 20px;font-size:clamp(42px,5.4vw,70px);line-height:1.12;letter-spacing:-.045em}.hero h1 span{color:var(--blue)}.hero-copy>p{max-width:650px;color:#5d7083;font-size:16px}.hero-actions{display:flex;gap:12px;margin:28px 0;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:18px;padding:14px 21px;border-radius:13px;font-weight:800;font-size:13px;border:0;cursor:pointer}.btn-primary{color:#fff;background:linear-gradient(135deg,#0788c5,#066e9f);box-shadow:0 15px 35px rgba(7,136,197,.24)}.btn-ghost{border:1px solid var(--line);background:rgba(255,255,255,.75)}.trust-row{display:flex;flex-wrap:wrap;gap:14px;color:#6c7d8f;font-size:11px;font-weight:700}
.hero-visual{position:relative;min-height:450px}.water-card{position:absolute;inset:0 20px 20px 0;overflow:hidden;border-radius:38px;background:#087fae;box-shadow:var(--shadow)}.photo-card picture,.photo-card img{display:block;width:100%;height:100%}.photo-card img{object-fit:contain;object-position:center center;background:#eaf7fc}.hero-glow{position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}.hero-glow-a{width:360px;height:360px;background:rgba(54,203,233,.12);left:-170px;top:90px}.hero-glow-b{width:300px;height:300px;background:rgba(7,136,197,.09);right:-120px;bottom:20px}
.search-section{padding:80px 0;background:rgba(255,255,255,.6);border-top:1px solid rgba(220,234,241,.8);border-bottom:1px solid rgba(220,234,241,.8)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading h2{margin:8px 0 0;font-size:32px;letter-spacing:-.03em}.section-heading.centered{display:block;text-align:center}.section-heading.centered p{color:var(--muted);margin-top:5px}.api-badge{padding:7px 10px;border-radius:99px;background:#e9f8fc;color:#0782ad;font-size:10px;font-weight:900;letter-spacing:.12em}
.search-panel{padding:22px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 16px 50px rgba(27,91,122,.07)}.search-main label{display:block;font-size:11px;font-weight:800;color:var(--muted);margin-bottom:7px}.search-input-wrap{display:flex;align-items:center;gap:10px;padding:7px 8px 7px 15px;border:1px solid #d7e7ee;border-radius:15px;background:#fff}.search-input-wrap>span{color:var(--blue);font-size:25px}.search-input-wrap input{flex:1;min-width:0;border:0;outline:0;font-size:15px;color:var(--ink)}.search-button{border:0;border-radius:11px;padding:12px 20px;color:#fff;background:var(--blue);font-weight:800;cursor:pointer}.filter-row{display:flex;align-items:center;gap:9px;margin-top:15px;flex-wrap:wrap}.check{color:#5e7181;font-size:12px;font-weight:700;margin-right:7px}.check input{accent-color:var(--blue)}.filter-row select{border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:#fff;color:#51687b;font-size:12px}.quick-search{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:14px 2px 4px;color:var(--muted);font-size:11px}.quick-search button{border:1px solid #cfe7ef;background:#fff;color:#416274;padding:7px 10px;border-radius:99px;cursor:pointer}.quick-search button:hover{border-color:var(--blue);color:var(--blue)}.search-status{min-height:28px;padding:18px 2px 5px;color:#728495;font-size:11px;font-weight:700}.search-status.error{color:#c65a5a}.search-status.loading{color:var(--blue)}
.compare-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0}.summary-card{padding:15px 18px;background:#f0fbfe;border:1px solid #d8edf3;border-radius:15px}.summary-card span{display:block;font-size:10px;font-weight:900;color:#567184}.summary-card b{display:block;font-size:20px;margin-top:2px;color:var(--blue-dark)}.summary-card small{color:var(--muted);font-size:10px}
.results-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.product-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 35px rgba(35,85,108,.06);transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(35,85,108,.12)}.product-image{position:relative;aspect-ratio:1/1;background:#edf6fa;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:contain;background:#fff;display:block}.no-image{height:100%;display:grid;place-items:center;color:#a1b2bd;font-size:11px;font-weight:900}.shop-badge{position:absolute;top:10px;left:10px;padding:5px 8px;border-radius:7px;background:rgba(255,255,255,.93);font-size:9px;font-weight:900;box-shadow:0 4px 14px rgba(0,0,0,.08)}.shop-badge.rakuten{color:#b42323}.shop-badge.yahoo{color:#0069aa}.rank-chip{position:absolute;right:10px;top:10px;background:#102235;color:#fff;border-radius:99px;padding:4px 7px;font-size:8px;font-weight:900}.product-body{padding:14px}.product-body h3{font-size:12px;line-height:1.55;height:3.1em;overflow:hidden;margin:0 0 9px}.rating{font-size:10px;color:#9a6d18}.rating span{letter-spacing:-1px}.rating b{color:#6c5a30}.rating small{color:#9aa8b2}.stock-row{display:flex;justify-content:space-between;gap:5px;margin-top:7px;color:#a0adb5;font-size:8px}.stock.ok{color:#087c62;font-weight:800}.product-bottom{display:flex;align-items:end;justify-content:space-between;gap:8px;margin-top:12px}.product-bottom small{display:block;color:#9aa8b2;font-size:9px}.product-bottom strong{display:block;color:var(--ink);font-size:18px;letter-spacing:-.03em}.buy-button{padding:9px 10px;border-radius:9px;background:#eaf8fc;color:#057ba7;font-size:10px;font-weight:900;white-space:nowrap}.buy-button:hover{background:#d8f3fa}.loading-card,.empty-card{grid-column:1/-1;padding:60px 20px;text-align:center;background:#fff;border:1px dashed #cfe1e8;border-radius:18px;color:var(--muted)}.loading-card p,.empty-card p{font-size:12px}.spinner{width:30px;height:30px;margin:0 auto 12px;border:3px solid #d8eef5;border-top-color:var(--blue);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.results-actions{text-align:center;padding:25px 0 5px}.btn-more{background:#fff;border:1px solid #cfe7ef;color:#126d91}.btn-more:hover{border-color:var(--blue);color:var(--blue)}
.ranking{padding:90px 0;background:#f1fbfe}.ranking-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}.ranking-card{position:relative;display:grid;grid-template-columns:82px 1fr;gap:13px;padding:15px;background:#fff;border:1px solid var(--line);border-radius:17px;min-width:0;box-shadow:0 10px 30px rgba(30,90,115,.05)}.ranking-card>div img{width:82px;height:82px;object-fit:contain;border-radius:10px;background:#f7fbfc}.ranking-card section{min-width:0}.ranking-card section small{font-size:9px;color:var(--muted)}.ranking-card h3{font-size:11px;line-height:1.45;height:3em;overflow:hidden;margin:3px 0}.ranking-card section>b{font-size:16px}.ranking-card p{font-size:9px;color:#9a6d18;margin:2px 0}.ranking-no{position:absolute;top:7px;left:7px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#102235;color:#fff;font-size:8px;font-weight:900;z-index:2}.rank-no-image{width:82px;height:82px;border-radius:10px;display:grid;place-items:center;background:#eef7fa;color:#9baeb8;font-size:9px}.ranking-placeholder{grid-column:1/-1;padding:35px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #cfe1e8;border-radius:16px;font-size:12px}
.features{padding:90px 0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}.feature-card{padding:28px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.72)}.feature-card .icon{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:#e9f8fc;color:var(--blue);font-size:20px;font-weight:900}.feature-card h3{margin:18px 0 7px;font-size:17px}.feature-card p{margin:0;color:var(--muted);font-size:13px}
.brands{padding:70px 0;background:#effaff}.brand-strip{display:flex;justify-content:space-between;align-items:center;gap:35px}.brand-strip h2{margin:8px 0 0;font-size:26px}.brand-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.brand-chips a{border:1px solid #cfe7ef;background:#fff;color:#446477;padding:10px 13px;border-radius:99px;font-weight:800}.brand-chips a:hover{border-color:var(--blue);color:var(--blue)}
.guide{padding:90px 0}.guide-box{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;padding:45px;border-radius:30px;background:linear-gradient(135deg,#0788c5,#086fa4);color:#fff;box-shadow:0 30px 80px rgba(7,136,197,.2)}.guide-box .eyebrow{color:#bff3ff}.guide-box h2{font-size:35px;margin:9px 0}.guide-box p{color:rgba(255,255,255,.82);font-size:13px}.guide-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.guide-links a{padding:8px 11px;border-radius:9px;background:rgba(255,255,255,.12);font-size:10px;font-weight:800}.guide-points{display:grid;gap:12px}.guide-points div{display:flex;align-items:center;gap:15px;padding:14px 16px;border:1px solid rgba(255,255,255,.18);border-radius:13px;background:rgba(255,255,255,.08)}.guide-points b{font-size:11px;color:#bff3ff}.guide-points span{font-size:12px;font-weight:800}.seo-note{padding:0 0 90px}.seo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.seo-grid>div{padding:22px;background:#fff;border:1px solid var(--line);border-radius:17px}.seo-grid h3{font-size:15px;margin:0 0 6px}.seo-grid p{margin:0;color:var(--muted);font-size:12px}.api-error{margin:18px auto 0;max-width:850px;padding:14px 16px;text-align:left;color:#9b3e3e;background:#fff4f4;border:1px solid #f0cccc;border-radius:12px;font-size:11px;line-height:1.8}
.footer{padding:45px 0 25px;background:#092536;color:#b9cbd5}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}.footer strong{color:#fff;letter-spacing:.08em}.footer p{font-size:11px}.footer .small{color:#7f9aa9}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;color:#718b9a;font-size:10px}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:390px}.results-grid{grid-template-columns:repeat(3,1fr)}.ranking-grid{grid-template-columns:repeat(2,1fr)}.brand-strip{align-items:start;flex-direction:column}.brand-chips{justify-content:flex-start}.seo-grid{grid-template-columns:1fr}}
@media(max-width:680px){.container{width:min(100% - 26px,1160px)}.nav-links{display:none}.nav{height:66px}.hero{padding:55px 0 65px}.hero h1{font-size:41px}.hero-visual{min-height:320px}.water-card{border-radius:26px}.floating-stat{width:88px;height:88px;top:20px}.floating-stat b{font-size:28px}.search-section,.features,.guide,.ranking{padding:60px 0}.section-heading h2{font-size:27px}.search-input-wrap{flex-wrap:wrap}.search-input-wrap input{flex-basis:70%}.search-button{width:100%}.filter-row select{width:calc(50% - 5px)}.results-grid{grid-template-columns:repeat(2,1fr)}.feature-grid,.guide-box,.footer-grid{grid-template-columns:1fr}.guide-box{padding:28px;gap:25px}.brand-strip h2{font-size:23px}.compare-summary{grid-template-columns:1fr}}
@media(max-width:430px){.results-grid,.ranking-grid{grid-template-columns:1fr}.product-image{aspect-ratio:1.25/1}.filter-row select{width:100%}.search-input-wrap input{flex-basis:100%}}

/* Ver.13: comparison, favorites, recent searches and mobile UX */
.recent-searches{display:flex;gap:7px;align-items:center;flex-wrap:wrap;padding:5px 2px 3px;color:var(--muted);font-size:10px}.recent-searches button{border:1px solid #d6e8ef;background:#fff;color:#4b6576;border-radius:99px;padding:6px 9px;font-size:10px;cursor:pointer}.recent-searches button:hover{border-color:var(--blue);color:var(--blue)}.recent-searches .recent-clear{border:0;background:transparent;color:#9aabb6}.product-card.is-compared{border-color:#36b9d7;box-shadow:0 0 0 2px rgba(54,203,233,.13),0 15px 40px rgba(35,85,108,.09)}.icon-button{position:absolute;right:10px;bottom:10px;width:34px;height:34px;border:0;border-radius:50%;background:rgba(255,255,255,.95);color:#8396a2;font-size:19px;line-height:1;cursor:pointer;box-shadow:0 5px 18px rgba(0,0,0,.12)}.icon-button.active{color:#e25b6b}.compare-toggle{display:block;width:100%;margin-top:10px;padding:8px 9px;border:1px solid #d4e9ef;border-radius:9px;background:#f8fcfd;color:#4d6b7b;font-size:10px;font-weight:800;cursor:pointer}.compare-toggle:hover,.compare-toggle.active{border-color:#6bc9de;background:#eaf9fc;color:#067da7}.compare-bar{position:sticky;bottom:16px;z-index:18;display:flex;justify-content:space-between;align-items:center;gap:16px;margin:22px 0 5px;padding:12px 14px 12px 18px;background:rgba(9,37,54,.96);color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:16px;box-shadow:0 15px 45px rgba(9,37,54,.25);backdrop-filter:blur(10px)}.compare-bar strong{display:block;font-size:12px}.compare-bar span{display:block;color:#b8ced9;font-size:10px}.compare-actions{display:flex;align-items:center;gap:7px}.compare-actions>button:not(.btn){border:0;background:transparent;color:#b8ced9;font-size:10px;cursor:pointer}.compare-actions .btn{padding:9px 14px;font-size:10px}.modal[hidden],.toast{display:none}.modal{position:fixed;inset:0;z-index:100}.modal-backdrop{position:absolute;inset:0;background:rgba(6,25,38,.62);backdrop-filter:blur(4px)}.modal-dialog{position:relative;width:min(1080px,calc(100% - 28px));max-height:calc(100vh - 40px);overflow:auto;margin:20px auto;background:#f8fcfd;border-radius:24px;box-shadow:0 30px 100px rgba(0,0,0,.3);padding:26px}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.modal-head h2{margin:5px 0 0;font-size:28px}.modal-close{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:#fff;color:#536b79;font-size:25px;cursor:pointer}.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.compare-product{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;min-width:0}.compare-image{aspect-ratio:1/1;background:#f3f8fa;border-radius:11px;overflow:hidden;margin-bottom:10px}.compare-image img{width:100%;height:100%;object-fit:contain}.compare-product .shop-badge{position:static;display:inline-block;margin-bottom:4px}.compare-product h3{font-size:11px;line-height:1.5;min-height:3em;margin:4px 0 10px}.compare-product dl{display:grid;grid-template-columns:42px 1fr;gap:4px;margin:0 0 12px;font-size:10px}.compare-product dt{color:#8a9ba5}.compare-product dd{margin:0;font-weight:800}.compare-product dd:first-of-type{font-size:18px;color:var(--blue-dark)}.compare-product .buy-button{display:block;text-align:center}.compare-note{font-size:10px;color:var(--muted);margin:15px 2px 0}.modal-open{overflow:hidden}.toast{position:fixed;left:50%;bottom:28px;z-index:120;transform:translate(-50%,20px);padding:10px 15px;border-radius:99px;background:#102235;color:#fff;font-size:11px;font-weight:800;box-shadow:0 12px 35px rgba(0,0,0,.2);opacity:0;pointer-events:none;transition:.2s}.toast.show{display:block;opacity:1;transform:translate(-50%,0)}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.footer-links a{text-decoration:underline;text-underline-offset:3px}.footer-links a:hover{color:#fff}
@media(max-width:760px){.compare-grid{grid-template-columns:repeat(2,1fr)}.compare-bar{bottom:8px}.modal-dialog{padding:18px;border-radius:18px}.modal-head h2{font-size:23px}}
@media(max-width:430px){.compare-grid{grid-template-columns:1fr}.compare-bar{align-items:center}.compare-actions .btn{padding:8px 10px}.compare-actions{gap:4px}}

/* Ver.14: product detail / favorite / ranking navigation */
.detail-link{display:block;margin-top:9px;color:#4d6b7b;font-size:10px;font-weight:900;text-decoration:underline;text-underline-offset:3px}.detail-link:hover{color:var(--blue)}.detail-page .section-heading{padding-top:10px;margin-bottom:25px}.detail-page h1{font-size:32px;margin:8px 0}.detail-page .section-heading p{color:var(--muted);font-size:12px}.detail-page .btn{display:inline-block;border:1px solid #cfe7ef;border-radius:10px;padding:10px 14px;background:#fff;color:#126d91;font-size:11px;font-weight:800;cursor:pointer}.detail-page .btn:hover{border-color:var(--blue);color:var(--blue)}
@media(max-width:680px){.detail-page h1{font-size:27px}}
.compare-modal-actions{display:flex;justify-content:center;margin:18px 0 4px}.compare-modal-actions .btn{display:inline-flex;text-decoration:none;align-items:center;justify-content:center}

/* Ver.16: price history / deals */
.deal-chip{position:absolute;left:10px;bottom:10px;padding:5px 8px;border-radius:8px;background:#e85c67;color:#fff;font-size:10px;font-weight:900;box-shadow:0 5px 16px rgba(0,0,0,.15)}.deal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.deal-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(30,90,115,.05)}.deal-image{aspect-ratio:1.2/1;background:#f4fafb;display:grid;place-items:center;overflow:hidden}.deal-image img{width:100%;height:100%;object-fit:contain}.deal-image span{color:#9aabb4;font-size:11px}.deal-card>div:last-child{padding:15px}.deal-card h2{font-size:13px;line-height:1.5;margin:7px 0;height:3em;overflow:hidden}.deal-price{font-size:18px;font-weight:900;color:var(--blue-dark);margin:8px 0}.deal-price del{font-size:10px;color:#94a2aa;font-weight:500;margin-left:5px}.deal-price strong{font-size:10px;color:#d84f5d;margin-left:5px}.deal-date{font-size:9px;color:var(--muted);margin:4px 0 10px}.deal-card .buy-button{display:block;text-align:center}@media(max-width:960px){.deal-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.deal-grid{grid-template-columns:1fr}}


/* Ver.37: mobile bottom navigation */
.mobile-bottom-nav{display:none}
@media(max-width:680px){
  body{padding-bottom:72px}
  .mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:10px;z-index:90;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:7px;border:1px solid rgba(220,234,241,.9);border-radius:18px;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 16px 45px rgba(20,70,95,.18);padding-bottom:calc(7px + env(safe-area-inset-bottom))}
  .mobile-bottom-nav a{display:flex;min-height:48px;flex-direction:column;align-items:center;justify-content:center;gap:1px;border-radius:12px;color:#718493;font-weight:800}
  .mobile-bottom-nav a span{font-size:18px;line-height:1.1}
  .mobile-bottom-nav a small{font-size:9px;line-height:1.2}
  .mobile-bottom-nav a.active{color:var(--blue);background:#eaf8fc}
  .mobile-bottom-nav a:active{transform:scale(.97)}
  .compare-bar{bottom:76px}
}


/* Ver.38: SEO landing pages */
.seo-intro{padding:20px 0 40px}.seo-intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.seo-intro h2{font-size:30px;margin:7px 0 10px}.seo-intro p{color:var(--muted);line-height:1.9;font-size:13px}.seo-copy{margin-top:18px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(135deg,#fff,#f5fbfd)}.seo-copy h3{font-size:14px;margin:0 0 7px}.seo-copy p{margin:0}.seo-linkbox{display:flex;flex-direction:column;gap:7px;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 10px 30px rgba(30,90,115,.05)}.seo-linkbox strong{font-size:12px;margin-bottom:4px}.seo-linkbox a{padding:9px 10px;border-radius:9px;background:#f4fafc;color:#126d91;font-size:11px;font-weight:800}.seo-linkbox a:hover{background:#e8f7fb;color:var(--blue)}
@media(max-width:760px){.seo-intro-grid{grid-template-columns:1fr}.seo-intro h2{font-size:25px}.seo-linkbox{display:grid;grid-template-columns:repeat(2,1fr)}.seo-linkbox strong{grid-column:1/-1}}

/* Ver.40: dedicated buying guide page */
.guide-article{background:linear-gradient(180deg,#f6fcff 0,#fff 24%,#fff 100%)}
.guide-breadcrumb{display:flex;gap:8px;align-items:center;color:#7a8d9a;font-size:11px;padding:20px 0}.guide-breadcrumb a{color:#157fa8;font-weight:800}.guide-hero{padding:12px 0 62px}.guide-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:55px;align-items:center}.guide-hero h1{font-size:clamp(40px,6vw,64px);line-height:1.12;letter-spacing:-.05em;margin:10px 0 18px}.guide-lead{max-width:720px;color:#607486;font-size:16px;line-height:2}.guide-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.guide-hero-card{padding:34px;border-radius:28px;background:linear-gradient(145deg,#0788c5,#075a82);color:#fff;box-shadow:0 25px 65px rgba(7,105,145,.2)}.guide-hero-card span{font-size:10px;letter-spacing:.18em;font-weight:900;opacity:.75}.guide-hero-card strong{display:block;font-size:22px;line-height:1.6;margin:12px 0}.guide-hero-card p{margin:0;color:#d8f3fb;font-size:12px}.guide-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:42px;align-items:start;padding-bottom:80px}.guide-toc{position:sticky;top:96px;padding:18px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 10px 30px rgba(30,90,115,.05)}.guide-toc strong{display:block;font-size:12px;margin-bottom:10px}.guide-toc a{display:block;padding:8px 9px;border-radius:8px;color:#587080;font-size:11px;font-weight:700}.guide-toc a:hover{background:#eef9fc;color:var(--blue)}.guide-section{padding:42px 0;border-bottom:1px solid #e7f0f4;scroll-margin-top:95px}.guide-section h2{font-size:31px;line-height:1.35;margin:7px 0 15px;letter-spacing:-.03em}.guide-section>p{color:#5f7381;font-size:13px;line-height:2}.guide-highlight{padding:28px;border:1px solid #d6edf4;border-radius:24px;background:linear-gradient(135deg,#f0fbfe,#fff);margin-bottom:8px}.guide-step-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:22px}.guide-step-grid>div{padding:16px 12px;background:#fff;border:1px solid #dcecf1;border-radius:14px}.guide-step-grid b{display:block;color:var(--blue);font-size:10px;letter-spacing:.08em}.guide-step-grid strong{display:block;margin:4px 0;font-size:13px}.guide-step-grid p{margin:0;color:#70818d;font-size:10px;line-height:1.7}.guide-note{font-size:11px!important;color:#748793!important;margin:18px 0 0}.guide-choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:22px}.guide-choice-grid.two{grid-template-columns:repeat(2,1fr)}.guide-choice{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(30,90,115,.05)}.guide-choice>span{font-size:25px}.guide-choice h3{margin:8px 0;font-size:17px}.guide-choice p{color:#647885;font-size:12px;line-height:1.9}.guide-choice a,.source-link{display:inline-block;margin-top:8px;color:#087ba6;font-size:11px;font-weight:900;text-decoration:underline;text-underline-offset:3px}.guide-table-wrap{overflow:auto;margin-top:20px}.guide-table-wrap table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;font-size:12px}.guide-table-wrap th,.guide-table-wrap td{padding:13px 14px;border-bottom:1px solid #e7f0f4;text-align:left;vertical-align:top}.guide-table-wrap thead th{background:#eef9fc;color:#28667d}.guide-table-wrap tbody th{width:26%;color:#355668;background:#fbfdfe}.guide-tip,.guide-warning{margin-top:18px;padding:17px 19px;border-radius:14px;background:#f5fafc;border-left:4px solid #36b9d7}.guide-tip strong,.guide-warning strong{font-size:12px}.guide-tip p{margin:5px 0 0;color:#647885;font-size:11px}.guide-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}.guide-card-grid>div{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.guide-card-grid h3{margin:0 0 7px;font-size:14px}.guide-card-grid p{margin:0;color:#657985;font-size:11px;line-height:1.9}.guide-race{padding:28px;border:1px solid #d7eaf0;border-radius:22px;background:#fbfeff;margin-top:5px}.guide-warning{background:#fff8f1;border-left-color:#e8a75c}.guide-warning ul{margin:8px 0 0;padding-left:19px;color:#6d6d69;font-size:11px;line-height:2}.guide-price-flow{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;margin:25px 0}.guide-price-flow span{padding:11px 14px;border-radius:99px;background:#edf9fc;color:#176e8d;font-size:11px;font-weight:900}.guide-price-flow b{color:#8ba0ab}.guide-checklist{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}.guide-checklist li{display:grid;grid-template-columns:190px 1fr;gap:16px;padding:15px 17px;border:1px solid var(--line);border-radius:13px;background:#fff}.guide-checklist b{font-size:12px}.guide-checklist span{font-size:11px;color:#687d89}.faq-list{display:grid;gap:10px;margin-top:20px}.faq-list details{border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 17px}.faq-list summary{cursor:pointer;padding:15px 0;font-weight:800;font-size:12px}.faq-list details p{padding:0 0 15px;margin:0;color:#657985;font-size:11px;line-height:1.9}.guide-cta{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:28px;margin-top:40px;border-radius:23px;background:linear-gradient(135deg,#eaf9fc,#f7fcfd);border:1px solid #d7edf3}.guide-cta h2{margin:5px 0 7px;font-size:22px}.guide-cta p{margin:0;color:#607684;font-size:11px}.guide-cta .btn{white-space:nowrap}
@media(max-width:900px){.guide-hero-grid{grid-template-columns:1fr}.guide-layout{grid-template-columns:1fr}.guide-toc{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.guide-toc strong{grid-column:1/-1}.guide-step-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.guide-hero{padding-bottom:38px}.guide-hero h1{font-size:39px}.guide-layout{padding-bottom:45px}.guide-toc{grid-template-columns:repeat(2,1fr)}.guide-choice-grid,.guide-choice-grid.two,.guide-card-grid{grid-template-columns:1fr}.guide-step-grid{grid-template-columns:repeat(2,1fr)}.guide-section h2{font-size:26px}.guide-checklist li{grid-template-columns:1fr;gap:3px}.guide-cta{display:block}.guide-cta .btn{margin-top:18px}.guide-price-flow{justify-content:flex-start}}
@media(max-width:430px){.guide-step-grid{grid-template-columns:1fr}.guide-toc{grid-template-columns:1fr}.guide-hero-card{padding:25px}}

/* Ver.41: dedicated detailed brand guide */
.brands-article{background:linear-gradient(180deg,#f5fcff 0,#fff 23%,#fff 100%);padding-bottom:80px}.brands-breadcrumb{display:flex;gap:8px;align-items:center;color:#7b8d99;font-size:11px;padding:20px 0}.brands-breadcrumb a{color:#147da4;font-weight:800}.brands-hero{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:55px;align-items:center;padding:22px 0 48px}.brands-hero h1{font-size:clamp(38px,5.5vw,62px);line-height:1.14;letter-spacing:-.05em;margin:10px 0 18px}.brands-hero h1 span{font-size:.58em;letter-spacing:-.03em}.brands-hero>div:first-child>p{max-width:760px;color:#607584;font-size:15px;line-height:2}.brands-hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.brands-hero-card{padding:32px;border-radius:27px;background:linear-gradient(145deg,#0788c5,#075a82);color:#fff;box-shadow:0 25px 65px rgba(7,105,145,.18)}.brands-hero-card span{font-size:10px;letter-spacing:.18em;font-weight:900;opacity:.72}.brands-hero-card strong{display:block;font-size:20px;line-height:1.7;margin:11px 0}.brands-hero-card p{margin:0;color:#d7f1f8;font-size:11px;line-height:1.8}.brands-quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:45px}.brands-quick-grid a{padding:17px;border:1px solid #dcecf1;border-radius:15px;background:#fff;box-shadow:0 8px 25px rgba(30,90,115,.04)}.brands-quick-grid b{display:block;color:#0b86b7;font-size:9px;letter-spacing:.12em}.brands-quick-grid strong{display:block;font-size:15px;margin:4px 0}.brands-quick-grid span{display:block;color:#71838d;font-size:9px;line-height:1.6}.brands-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:40px;align-items:start}.brands-toc{position:sticky;top:92px;padding:18px;border:1px solid #dcecf1;border-radius:17px;background:#fff;box-shadow:0 10px 30px rgba(30,90,115,.05)}.brands-toc strong{display:block;font-size:12px;margin-bottom:9px}.brands-toc a{display:block;padding:8px 9px;border-radius:8px;color:#5e7480;font-size:10px;font-weight:800}.brands-toc a:hover{background:#eef9fc;color:var(--blue)}.brands-content{min-width:0}.brand-detail{padding:34px 0;border-bottom:1px solid #e5eff3;scroll-margin-top:90px}.brand-detail-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.brand-detail-head>div{display:flex;align-items:center;gap:12px}.brand-number{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eaf8fc;color:#0788c5;font-size:10px;font-weight:900}.brand-detail h2{font-size:29px;margin:0;letter-spacing:-.03em}.brand-detail-head>a{color:#087ca5;font-size:11px;font-weight:900}.brand-detail>p{color:#607683;font-size:13px;line-height:2;margin:14px 0 18px}.brand-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.brand-detail-grid>div{padding:16px 17px;border:1px solid #e1edf1;border-radius:14px;background:#fbfeff}.brand-detail-grid b{display:block;font-size:10px;color:#3c6171;margin-bottom:5px}.brand-detail-grid span{display:block;color:#6b7f8a;font-size:10px;line-height:1.7}.brand-info-section{padding:48px 0;border-bottom:1px solid #e5eff3;scroll-margin-top:90px}.brand-info-section>h2{font-size:28px;line-height:1.4;margin:8px 0 13px;letter-spacing:-.03em}.brand-info-section>p{color:#607683;font-size:12px;line-height:2}.brand-point-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:20px}.brand-point-grid>div{padding:18px 14px;border:1px solid #dcecf1;border-radius:15px;background:#fff}.brand-point-grid b{color:#0788c5;font-size:9px}.brand-point-grid h3{font-size:14px;margin:6px 0}.brand-point-grid p{color:#6b7e89;font-size:10px;line-height:1.8;margin:0}.purpose-table-wrap{overflow:auto;margin-top:20px}.purpose-table-wrap table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #dcecf1;font-size:11px}.purpose-table-wrap th,.purpose-table-wrap td{padding:13px;border-bottom:1px solid #e6eff3;text-align:left;vertical-align:top}.purpose-table-wrap thead th{background:#edf9fc;color:#2d657a}.purpose-table-wrap tbody th{background:#fbfdfe;white-space:nowrap;color:#3f6070}.purpose-table-wrap a{color:#087da6;font-weight:900}.size-check-grid,.care-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.size-check-grid>div,.care-grid>div{padding:18px;border:1px solid #dcecf1;border-radius:15px;background:#fff}.size-check-grid strong,.care-grid strong{display:block;font-size:12px;margin-bottom:6px}.size-check-grid span,.care-grid p{display:block;color:#6a7e89;font-size:10px;line-height:1.8;margin:0}.race-notice{padding:23px;border-radius:19px;border:1px solid #d8eaf0;background:#f9fdff;margin-top:20px}.race-notice strong{font-size:13px}.race-notice p{color:#627883;font-size:11px;line-height:1.9}.brand-source-note{font-size:10px!important;color:#758994!important;margin-top:14px}.source-link{display:inline-block;color:#087da6;font-size:10px;font-weight:900;text-decoration:underline;text-underline-offset:3px}.care-grid{grid-template-columns:repeat(2,1fr)}.brand-faq{display:grid;gap:9px;margin-top:20px}.brand-faq details{border:1px solid #dcecf1;border-radius:14px;background:#fff;padding:0 17px}.brand-faq summary{cursor:pointer;padding:15px 0;font-weight:800;font-size:11px}.brand-faq p{margin:0;padding:0 0 15px;color:#667b86;font-size:10px;line-height:1.9}.brands-cta{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:28px;margin-top:40px;border:1px solid #d5edf3;border-radius:22px;background:linear-gradient(135deg,#eaf9fc,#f8fdfe)}.brands-cta h2{font-size:21px;margin:6px 0}.brands-cta p{font-size:11px;color:#607683;margin:0}.brands-cta .btn{white-space:nowrap}
@media(max-width:980px){.brands-hero{grid-template-columns:1fr}.brands-quick-grid{grid-template-columns:repeat(3,1fr)}.brands-layout{grid-template-columns:1fr}.brands-toc{position:static;display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.brands-toc strong{grid-column:1/-1}.brand-point-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.brands-hero{padding-bottom:35px}.brands-hero h1{font-size:39px}.brands-hero-card{padding:25px}.brands-quick-grid{grid-template-columns:repeat(2,1fr)}.brands-toc{grid-template-columns:repeat(2,1fr)}.brand-detail-head{align-items:flex-start;flex-direction:column}.brand-detail-grid,.care-grid,.size-check-grid{grid-template-columns:1fr}.brand-point-grid{grid-template-columns:repeat(2,1fr)}.brand-info-section>h2{font-size:25px}.brands-cta{display:block}.brands-cta .btn{margin-top:17px}}
@media(max-width:430px){.brands-quick-grid,.brand-point-grid,.brands-toc{grid-template-columns:1fr}.brands-hero h1{font-size:35px}}

/* Ver.43: AdSense is intentionally isolated from navigation, search controls and purchase buttons. */
.swim-ad{width:min(100%,860px);margin:28px auto 34px;padding:10px 0 4px;text-align:center;clear:both;}
.swim-ad-label{display:block;margin-bottom:7px;color:#9aaab2;font-size:9px;font-weight:700;letter-spacing:.14em;line-height:1;}
.swim-ad-unit{min-height:0;}
@media (max-width:700px){.swim-ad{margin:22px auto 28px;padding:8px 0 2px}.swim-ad-label{font-size:8px;margin-bottom:6px}}