:root{--blue:#087fc1;--sky:#dff5ff;--pink:#ff6da8;--pink2:#ffe6f1;--lime:#dff36a;--ink:#12324a;--muted:#668095;--paper:#f8fcff;--white:#fff;--line:#dcebf3;--shadow:0 14px 36px rgba(20,95,130,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{max-width:1180px;margin:auto;min-height:72px;padding:0 22px;display:flex;align-items:center;gap:32px}.logo{display:flex;align-items:center;gap:10px;margin-right:auto}.logo-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(145deg,#62d5ff,#087fc1);color:#fff;font-size:26px;font-weight:900}.logo strong{display:block;font-size:20px;letter-spacing:.04em}.logo small{display:block;color:var(--blue);font-size:9px;letter-spacing:.22em}.nav{display:flex;gap:24px;font-size:13px;font-weight:800}.nav a{padding:25px 0;border-bottom:3px solid transparent}.nav a:hover,.nav .active{color:var(--blue);border-color:var(--blue)}.header-search a{font-weight:800;color:var(--blue)}main{overflow:hidden}.hero{max-width:1240px;margin:auto;min-height:570px;padding:38px 34px 34px;display:grid;grid-template-columns:43% 57%;align-items:center;gap:0}.cute-hero{background:linear-gradient(135deg,#e9faff 0%,#fff 54%,#fff0f7 100%);border-radius:0 0 34px 34px}.hero-copy{padding:28px 18px 28px 34px;position:relative;z-index:2}.eyebrow{display:inline-block;color:var(--blue);font-weight:900;letter-spacing:.16em;font-size:11px}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.08;margin:12px 0 22px;letter-spacing:-.04em}.hero h1 em{color:var(--pink);font-style:normal}.hero p{font-size:16px;color:#587286;margin-bottom:25px}.hero-search{display:flex;background:#fff;padding:6px;border-radius:18px;box-shadow:var(--shadow);max-width:620px}.hero-search input{min-width:0;flex:1;border:0;outline:0;padding:14px 16px;font-size:14px}.hero-search button{border:0;border-radius:13px;background:linear-gradient(135deg,#ff5e9d,#ff83bb);color:#fff;font-weight:900;padding:0 20px;cursor:pointer}.quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.quick a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:11px;color:var(--blue)}.hero-visual{position:relative;height:510px;border-radius:34px;overflow:hidden;box-shadow:0 22px 55px rgba(17,108,150,.2)}.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center}.bubble{position:absolute;background:#fff;border-radius:50%;display:grid;place-items:center;text-align:center;font-weight:900;box-shadow:var(--shadow)}.b1{left:24px;top:22px;width:92px;height:92px;color:var(--pink);transform:rotate(-8deg)}.b2{right:20px;bottom:20px;width:108px;height:108px;color:var(--blue);font-size:12px;transform:rotate(7deg)}.section{max-width:1180px;margin:0 auto;padding:70px 22px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.section-head h2{margin:4px 0 0;font-size:32px;letter-spacing:-.04em}.section-head>a{color:var(--blue);font-size:13px;font-weight:900}.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.cat-card{min-height:150px;border-radius:22px;padding:20px;position:relative;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;box-shadow:var(--shadow);transition:.2s}.cat-card:hover,.product-card:hover{transform:translateY(-4px)}.cat-card strong{font-size:22px}.cat-card small{font-size:11px}.cat-card .cat-icon{position:absolute;right:16px;top:12px;font-size:34px;opacity:.45}.cat-card .arrow{position:absolute;right:17px;bottom:17px;font-size:20px}.blue{background:#dff4ff}.pink{background:#ffe5f0}.lime{background:#f2f8cf}.deep{background:#dce9f8}.aqua{background:#d9fbf6}.split{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;padding-top:0}.brand-box,.compare-box{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.brand-grid a{border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:#fbfdff}.brand-grid b{display:block;font-size:17px}.brand-grid small{color:var(--muted)}.compare-box{background:linear-gradient(145deg,#e8f9ff,#fff0f7)}.compare-box h2{margin:5px 0}.compare-box p{font-size:13px;color:var(--muted)}.shop-actions{display:flex;gap:9px;margin:20px 0 14px}.shop-actions a{flex:1;text-align:center;padding:12px 9px;border-radius:12px;color:#fff;font-weight:900;font-size:12px}.rak{background:#e72d45}.yah{background:#ec4e91}.text-link{font-size:12px;color:var(--blue);font-weight:900}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow);transition:.2s}.product-art{height:220px;background:linear-gradient(145deg,#eefaff,#fff3f8);position:relative;display:grid;place-items:center}.product-art>span{position:absolute;left:13px;top:13px;background:#fff;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:900;color:var(--pink)}.swim-silhouette{width:88px;height:170px;border-radius:42% 42% 28% 28%;position:relative;box-shadow:0 10px 20px rgba(0,0,0,.12)}.swim-silhouette:before{content:"";position:absolute;top:-16px;left:22px;width:44px;height:44px;border-radius:50%;background:inherit}.swim-silhouette:after{content:"";position:absolute;left:-20px;right:-20px;top:75px;height:42px;border-radius:50%;background:inherit}.swim-silhouette.light{background:linear-gradient(180deg,#1a91d1,#0a4d9e)}.swim-silhouette.dark{background:linear-gradient(180deg,#22354f,#111c2c)}.product-body{padding:18px}.product-body>small{color:var(--blue);font-weight:900;font-size:11px}.product-body h3{font-size:16px;line-height:1.4;margin:5px 0}.product-body p{margin:0 0 14px;color:var(--muted);font-size:11px}.product-links{display:flex;gap:8px}.product-links a{flex:1;text-align:center;border:1px solid var(--line);border-radius:10px;padding:8px;font-size:11px;font-weight:900}.product-links a:first-child{color:#e72d45}.product-links a:last-child{color:#d03f78}.guide-banner{max-width:1136px;margin:10px auto 70px;padding:34px 38px;border-radius:28px;background:linear-gradient(110deg,#c9efff,#fff0f6);display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}.guide-banner h2{font-size:34px;margin:6px 0}.guide-banner p{margin:0;color:#557187}.guide-pills{display:flex;flex-wrap:wrap;gap:7px;margin-top:17px}.guide-pills span{background:#fff;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:800}.guide-btn{background:#fff;border:2px solid var(--blue);color:var(--blue);font-weight:900;padding:13px 18px;border-radius:14px;white-space:nowrap}.reason-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.reason-grid>div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.reason-grid b{font-size:11px;color:var(--pink)}.reason-grid h3{font-size:15px;margin:6px 0}.reason-grid p{font-size:11px;color:var(--muted);margin:0}.site-footer{background:#12324a;color:#fff;padding:44px max(22px,calc((100% - 1136px)/2));display:grid;grid-template-columns:1fr auto;gap:18px}.site-footer p{color:#b9d6e5;margin:5px 0}.site-footer>div:nth-child(2){display:flex;gap:20px;align-items:center;font-size:12px}.site-footer small{grid-column:1/-1;color:#8eb3c6}@media(max-width:900px){.nav{gap:13px}.header-search{display:none}.hero{grid-template-columns:1fr;padding:18px}.hero-copy{padding:28px 12px}.hero-visual{height:390px}.cat-grid{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,1fr)}.reason-grid{grid-template-columns:repeat(2,1fr)}.guide-banner{margin:10px 22px 50px}.brand-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.header-inner{min-height:60px;padding:0 14px}.logo strong{font-size:16px}.logo small{display:none}.nav{display:none}.hero{padding:10px 10px 20px}.hero-copy{padding:22px 10px}.hero h1{font-size:40px}.hero p{font-size:13px}.hero-search{display:block;padding:7px}.hero-search input{width:100%;padding:12px}.hero-search button{width:100%;padding:12px;margin-top:5px}.hero-visual{height:330px;border-radius:22px}.section{padding:50px 14px}.section-head h2{font-size:25px}.cat-grid,.product-grid,.reason-grid{grid-template-columns:1fr 1fr;gap:10px}.cat-card{min-height:125px;padding:14px}.cat-card strong{font-size:17px}.product-art{height:180px}.brand-grid{grid-template-columns:1fr 1fr}.brand-box,.compare-box{padding:20px}.shop-actions{display:grid;grid-template-columns:1fr}.guide-banner{margin:0 14px 45px;padding:25px 20px;display:block}.guide-banner h2{font-size:28px}.guide-btn{display:inline-block;margin-top:18px}.site-footer{display:block}.site-footer>div:nth-child(2){margin-top:20px;flex-wrap:wrap}}
/* au PAY マーケット追加 */
.aupay-panel{background:linear-gradient(145deg,#fff1e8,#fff);border-color:#ffd7c2}.aup{background:#ff6a2a;color:#fff!important;border-color:#ff6a2a!important}.aupay-compare{border-color:#ffd7c2;background:linear-gradient(145deg,#fff7f2,#fff)}.aupay-text{color:#ef5a20}.shop-result-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.shop-result-grid{grid-template-columns:1fr}.product-links{flex-wrap:wrap}.product-links a{min-width:30%}}
/* STEP 5 catalog / product detail */
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.catalog-card{background:#fff;border:1px solid #dfeaf1;border-radius:22px;overflow:hidden;box-shadow:0 10px 30px rgba(21,92,125,.08);transition:transform .2s,box-shadow .2s}.catalog-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(21,92,125,.13)}.catalog-card>a{display:block;color:inherit;text-decoration:none}.catalog-img{height:220px;position:relative;overflow:hidden;background:#dff5fb}.catalog-img img{width:100%;height:100%;object-fit:cover;object-position:center 25%;display:block}.catalog-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(7,36,55,.25))}.catalog-img>span{position:absolute;z-index:2;left:12px;top:12px;background:#fff;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:800;color:#087ea4}.catalog-body{padding:18px}.catalog-body>small{font-weight:800;color:#087ea4;letter-spacing:.08em}.catalog-body h3{margin:7px 0 8px;font-size:18px;line-height:1.45}.catalog-body p{margin:0;color:#617782;font-size:13px;line-height:1.7}.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.tag-row span{background:#eef8fb;border-radius:999px;padding:5px 8px;font-size:11px;color:#287089}.catalog-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e9f0f3;padding-top:13px;margin-top:13px}.catalog-foot b{font-size:15px;color:#ef4b73}.catalog-foot span{font-size:12px;font-weight:800;color:#087ea4}.product-detail{display:grid;grid-template-columns:1fr 1fr;min-height:650px;background:linear-gradient(135deg,#eafaff,#fff1f7)}.detail-visual{position:relative;min-height:620px;overflow:hidden}.detail-visual img{width:100%;height:100%;object-fit:cover;object-position:center 30%}.detail-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,31,47,.02),rgba(4,31,47,.2))}.detail-badge{position:absolute;z-index:2;left:28px;top:28px;background:#fff;padding:9px 13px;border-radius:999px;font-size:11px;font-weight:900;letter-spacing:.08em}.detail-copy{padding:70px clamp(25px,5vw,80px);display:flex;flex-direction:column;justify-content:center}.detail-copy h1{font-size:clamp(34px,4vw,62px);line-height:1.08;margin:10px 0 18px}.detail-meta{display:flex;flex-wrap:wrap;gap:8px}.detail-meta span{padding:7px 10px;background:#fff;border:1px solid #dcebf0;border-radius:999px;font-size:12px;font-weight:800}.detail-desc{color:#536c77;line-height:1.9}.detail-price{padding:18px 0;border-top:1px solid #d9e8ee;border-bottom:1px solid #d9e8ee;margin:15px 0}.detail-price strong{font-size:25px;color:#ef4b73;margin-left:7px}.detail-price small{display:block;color:#758b94;font-size:11px;margin-top:5px}.detail-shops{display:grid;gap:10px}.shop-btn{display:block;padding:14px 18px;border-radius:14px;color:#fff;text-decoration:none;font-weight:900;text-align:center}.shop-btn.rak{background:#d92f3d}.shop-btn.yah{background:#ef3b67}.shop-btn.aup{background:#f15b84}.compare-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.compare-mini a{padding:22px;border:1px solid #dfeaf1;border-radius:18px;background:#fff;text-decoration:none;color:#15313f}.compare-mini b{display:block}.compare-mini span{display:block;color:#087ea4;font-size:13px;margin-top:10px}.compare-table-wrap{overflow:auto;border:1px solid #dfeaf1;border-radius:18px}.compare-table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}.compare-table th,.compare-table td{padding:15px;border-bottom:1px solid #e6eef2;text-align:left}.compare-table th{background:#f2fbfd;color:#19516a;font-size:12px}.compare-table td a{color:#087ea4;font-weight:800;text-decoration:none}.catalog-shops{margin-top:34px}.home-catalog{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.catalog-grid,.home-catalog{grid-template-columns:repeat(2,minmax(0,1fr))}.product-detail{grid-template-columns:1fr}.detail-visual{min-height:430px}.compare-mini{grid-template-columns:1fr}}
@media(max-width:620px){.catalog-grid,.home-catalog{grid-template-columns:1fr}.catalog-img{height:240px}.detail-copy{padding:38px 20px}.detail-visual{min-height:360px}}
/* STEP 6: comparison / SEO UI */
.breadcrumbs{max-width:1180px;margin:24px auto 0;padding:0 20px;font-size:.84rem;color:#68818d;display:flex;gap:8px;align-items:center}.breadcrumbs a{color:#168bb2;text-decoration:none}.breadcrumbs strong{color:#183744;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.compare-primary{display:block;text-align:center;margin:18px 0;padding:15px 18px;border-radius:999px;background:#138ec2;color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 22px rgba(19,142,194,.2)}
.compare-shop-card{display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:22px;background:#fff;border:1px solid #dcebf1;text-decoration:none;color:#15323e;box-shadow:0 8px 24px rgba(25,105,132,.07)}.compare-shop-card span{font-size:.84rem;color:#718995;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compare-shop-card strong{margin-top:8px}.compare-shop-card.rak strong{color:#d93333}.compare-shop-card.yah strong{color:#8a39c8}.compare-shop-card.aup strong{color:#d92c73}.related-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.related-actions a{padding:18px;border-radius:18px;background:#f3fbfd;border:1px solid #d7edf2;color:#116d8b;text-decoration:none;font-weight:800}
.comparison-intro{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px;margin:22px 0;border-radius:18px;background:#effaff;border:1px solid #d4edf4}.comparison-intro strong{width:100%;font-size:1.1rem}.comparison-intro span{background:#fff;border-radius:999px;padding:8px 12px;font-weight:700}.comparison-intro small{width:100%;color:#72858d}.table-shop{display:inline-block;padding:9px 12px;border-radius:999px;text-decoration:none;font-weight:800;background:#f4fafc}.table-shop.rak{color:#c92f35}.table-shop.yah{color:#7f3ac1}.table-shop.aup{color:#c32968}.section-mini{margin-top:34px}.mini-product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini-product-grid a{display:flex;flex-direction:column;gap:6px;padding:18px;border-radius:18px;border:1px solid #e0edf1;text-decoration:none;color:#183744;background:#fff}.mini-product-grid span{font-size:.76rem;color:#178bb1;font-weight:800}.mini-product-grid small{color:#69828c}.site-footer{margin-top:60px}
@media(max-width:700px){.breadcrumbs{margin-top:14px}.related-actions,.mini-product-grid{grid-template-columns:1fr}.comparison-intro{gap:7px}.comparison-intro span{font-size:.8rem}.compare-table{font-size:.84rem}.compare-table th,.compare-table td{padding:10px 8px}}