@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');
.product-visual:has(.product-photo){height:230px;background:#fff;padding:35px 14px 25px}.product-photo{text-align:center;width:100%;min-width:0}.product-photo a{display:inline-block;max-width:100%}.product-photo img{display:block;object-fit:contain;margin:auto}.product-photo.card img{max-height:175px}.product-photo.hero img{max-width:300px!important;width:100%!important;max-height:320px}.hero-art:has(.product-photo){background:#fff}.product-photo.detail img{max-height:220px}.product-photo.comparison img{max-height:150px}.retailer-card{margin-top:18px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:4px}.kaerebalink-box{display:flex;align-items:center;gap:25px}.kaerebalink-image{flex:0 0 160px;text-align:center}.kaerebalink-image img{max-width:100%;height:auto}.kaerebalink-info{min-width:0;flex:1}.kaerebalink-name>a{font-size:14px;line-height:1.7;font-weight:600}.kaerebalink-powered-date{font-size:10px;color:var(--muted);margin:8px 0}.kaerebalink-link1{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.kaerebalink-link1 a{display:block;padding:9px 12px;background:var(--paper);border:1px solid var(--line);border-radius:3px;font-size:11px}.kaerebalink-link1 a:hover{border-color:var(--orange)}.kaerebalink-link1>div>img{width:1px!important;height:1px!important}.product-photo img[width="1"]{width:1px!important;height:1px!important}
@media(max-width:650px){.product-visual:has(.product-photo){height:180px;padding:30px 8px 23px}.product-photo.card img{max-height:125px;max-width:135px!important}.kaerebalink-box{display:block}.kaerebalink-image{margin-bottom:16px}.kaerebalink-name>a{font-size:12px}.kaerebalink-link1{display:grid;grid-template-columns:1fr}.kaerebalink-link1 a{text-align:center}.retailer-card{padding:16px}.product-photo.hero img{max-width:230px!important}.art-bottom{gap:8px}}
:root{--paper:#f5f3ed;--ink:#252824;--muted:#75766e;--line:#dcdcd2;--orange:#de582c;--green:#47584c}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans JP',sans-serif;font-size:14px;line-height:1.8}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button{color:inherit}h1,h2,h3,p{margin:0}h2{font-size:30px;letter-spacing:-1px;line-height:1.55}h3{font-size:17px}header,main,footer{max-width:1440px;margin:auto}.header{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;border-bottom:1px solid var(--line)}.brand{font-family:'Space Grotesk',sans-serif;display:flex;align-items:center;gap:4px;font-size:34px;font-weight:700;line-height:1}.brand-mark{color:var(--orange)}.brand>span:last-child{font-size:15px;letter-spacing:1.8px;margin-left:11px}.brand small{display:block;font-family:'Noto Sans JP',sans-serif;font-size:9px;font-weight:500;letter-spacing:1px;margin-top:10px}.header nav{display:flex;gap:30px;font-size:12px;font-weight:600}.nav-cta{font-size:12px;font-weight:700;border-bottom:1px solid var(--ink);padding-bottom:5px}.nav-cta span{margin-left:20px}.hero{padding:55px 6% 45px;display:grid;grid-template-columns:1fr 1.07fr;gap:42px;align-items:center}.eyebrow{font-family:'Space Grotesk',sans-serif;font-size:10px;font-weight:600;letter-spacing:2px;color:var(--muted)}.hero .eyebrow{display:flex;align-items:center;gap:9px}.eyebrow>span{width:7px;height:7px;background:var(--orange);border-radius:50%}h1{font-size:clamp(40px,4.6vw,64px);font-weight:800;letter-spacing:-3px;line-height:1.4;margin:26px 0 22px}h1 span{color:var(--orange)}.hero-copy p{color:#676960;font-size:14px;line-height:2.1;margin-bottom:26px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;background:var(--ink);color:white;border:0;padding:15px 22px;border-radius:3px;font-weight:600;font-size:12px}.button:hover{background:var(--green)}.hero-note{font-size:10px;color:var(--muted);margin-top:26px}.hero-note span{margin:0 7px}.hero-art{background:#e8e9e1;height:450px;position:relative;border-radius:3px;overflow:hidden;background-image:linear-gradient(#c2c7bb40 1px,transparent 1px),linear-gradient(90deg,#c2c7bb40 1px,transparent 1px);background-size:36px 36px}.hero-art:before{content:'';position:absolute;width:340px;height:340px;border:1px solid #c2c7bb;border-radius:50%;left:50%;top:48%;transform:translate(-50%,-50%)}.art-label,.art-bottom{position:absolute;left:24px;right:24px;display:flex;justify-content:space-between;font-family:'Space Grotesk',sans-serif;z-index:1}.art-label{top:20px;font-size:10px;letter-spacing:1.6px;color:#687263}.art-label span{font-size:9px}.art-bottom{bottom:18px;align-items:center}.art-bottom>span{font-size:18px;font-weight:600;letter-spacing:2px}.art-bottom small{font-family:'Noto Sans JP',sans-serif;font-size:8px;color:var(--muted)}#hero-helmet{height:100%;display:flex;justify-content:center;align-items:center}#hero-helmet svg{width:88%;max-height:370px;filter:drop-shadow(0 23px 13px #48514424)}.technical-label{position:absolute;font-size:10px;color:#65715e;display:flex;gap:10px;align-items:center}.technical-label i{display:inline-block;width:44px;height:1px;background:#9fa994}.label-top{top:82px;left:26px}.label-bottom{bottom:82px;right:26px}.intro-strip{margin:0 6%;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 0;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:11px}.intro-strip>span{font-weight:700}.intro-strip p{color:var(--muted)}.intro-strip b{font-weight:400;margin:0 16px}.intro-strip a{font-size:10px;border-bottom:1px solid var(--line)}.section{padding:70px 6%;scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.section-heading h2{margin-top:11px}.section-heading p{font-size:12px;line-height:1.9;color:var(--muted)}.shape-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.shape-card{background:#eeeee7;border:1px solid transparent;padding:18px 18px 20px;border-radius:3px;display:flex;flex-direction:column}.shape-card .shape-number{font-family:'Space Grotesk',sans-serif;color:var(--muted);font-size:10px;letter-spacing:1px;display:flex;justify-content:space-between}.shape-card svg{width:100%;height:142px;margin:8px 0}.shape-card h3{font-size:17px}.shape-card .en{font-family:'Space Grotesk',sans-serif;color:var(--muted);font-size:9px;letter-spacing:1.8px;margin:3px 0 12px}.shape-card p{font-size:11px;color:#6d7066;line-height:1.9;flex:1}.shape-card button{background:none;border:0;border-top:1px solid #d4d7cb;padding:14px 0 0;margin-top:20px;text-align:left;font-size:11px;font-weight:700;display:flex;justify-content:space-between}.shape-card:hover{border-color:#b7bcb0}.shape-table{margin-top:20px;border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}.shape-table summary{display:flex;justify-content:space-between;padding:16px 0;font-size:12px}.shape-table caption{caption-side:bottom;text-align:left;padding:14px 0;font-size:11px;color:var(--muted)}.finder{background:#eeeee7}.filters{border-top:1px solid var(--line)}.filter-tabs{display:flex;gap:8px;flex-wrap:wrap;padding:22px 0}.filter-tabs button{background:transparent;border:1px solid #ced2c6;border-radius:2px;padding:9px 16px;font-size:12px}.filter-tabs button.active{background:var(--ink);border-color:var(--ink);color:white}.filter-inputs{display:flex;gap:12px;margin-bottom:20px}.filter-inputs label{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:12px}.filter-inputs label:first-child{flex:1}.filter-inputs input{width:100%;max-width:310px}.filter-inputs input,.filter-inputs select{background:var(--paper);padding:9px 12px;border:1px solid var(--line);border-radius:2px;color:var(--ink);font-size:12px}.results-line{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:9px;color:var(--muted);margin-bottom:18px}.results-line>span:first-child{font-size:12px;font-weight:700;color:var(--ink)}.products{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product{background:#faf9f5;border:1px solid var(--line);border-radius:3px;overflow:hidden;display:flex;flex-direction:column}.product-visual{position:relative;height:175px;display:flex;align-items:center;justify-content:center;background:#f4f3ed}.product-visual svg{width:85%;height:150px}.product-visual .type-tag{position:absolute;left:12px;top:12px;background:#e4e7dd;padding:3px 7px;font-size:8px}.product-visual small{position:absolute;bottom:8px;right:10px;color:var(--muted);font-size:8px}.product-info{padding:18px;display:flex;flex-direction:column;flex:1}.product-brand{font-family:'Space Grotesk',sans-serif;font-size:10px;letter-spacing:1.5px;color:var(--muted)}.product h3{font-family:'Space Grotesk',sans-serif;font-size:24px;margin:2px 0 8px}.product-description{font-size:11px;color:#6d7066;min-height:42px}.badges{display:flex;gap:5px;flex-wrap:wrap;margin:12px 0 20px}.badges span{background:#efefe7;font-size:8px;padding:3px 6px}.price{font-family:'Space 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b{position:absolute;right:0;top:24px;color:var(--orange)}.reading-grid details p{font-size:12px;color:var(--muted);margin-top:18px}.editorial{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.2fr;gap:70px;padding-top:35px;padding-bottom:35px}.editorial h2{font-size:21px;margin-top:10px}.editorial p{font-size:10px;color:var(--muted)}.editorial a{text-decoration:underline;display:inline-block;margin-top:10px}footer{border-top:1px solid var(--line);padding:30px 6% 90px;display:flex;justify-content:space-between;align-items:center}footer .brand{font-size:28px}footer .brand>span:last-child{font-size:12px}footer>div{display:flex;align-items:center;gap:20px;font-size:9px}footer button{border:0;padding:0;background:none;font-size:9px}footer small{color:var(--muted)}.compare-bar{position:fixed;z-index:10;bottom:16px;left:50%;transform:translateX(-50%);max-width:950px;width:calc(100% - 32px);background:#fffef8;box-shadow:0 6px 32px #23282024;border:1px solid var(--line);border-radius:5px;padding:14px 20px;display:flex;align-items:center;gap:20px}.compare-bar[hidden]{display:none}.compare-bar>div{flex:1}.compare-bar b{font-size:12px}.compare-bar b span{color:var(--orange);margin-left:10px}.compare-bar>div>span{display:block;color:var(--muted);font-size:10px}.text-button{border:0;background:none;font-size:11px;padding:8px}.compare-bar .button:disabled{opacity:.45;cursor:default}dialog{max-width:900px;width:calc(100% - 32px);max-height:85vh;overflow:auto;background:var(--paper);border:1px solid var(--line);padding:38px;border-radius:6px;color:var(--ink)}dialog::backdrop{background:#242b2390;backdrop-filter:blur(4px)}.dialog-close{position:absolute;top:10px;right:15px;border:0;background:transparent;font-size:26px}.dialog-hero{display:grid;grid-template-columns:220px 1fr;align-items:center;gap:30px;margin-bottom:25px}.dialog-hero svg{width:100%}.dialog-hero h2{font-family:'Space Grotesk',sans-serif;font-size:34px}.dialog-hero p{font-size:12px;color:var(--muted)}dialog .small{font-size:10px;color:var(--muted);margin-top:18px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:11px;margin-top:20px;text-align:left}th,td{border-bottom:1px solid var(--line);padding:14px 12px;min-width:120px;vertical-align:top}th{font-weight:600}thead{background:#e9ebe2}table a{color:var(--green);text-decoration:underline}.detail-links{display:flex;gap:15px;align-items:center;margin:22px 0}.detail-links a{text-decoration:underline;font-size:12px}.affiliate-note{border:1px dashed #c7ccbc;padding:17px;font-size:11px;color:var(--muted)}.affiliate-frame{display:block;width:100%;height:380px;border:0;background:white}#privacy-dialog{max-width:620px}#privacy-dialog p{margin-top:20px;font-size:13px}.toast{position:fixed;bottom:110px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 20px;border-radius:3px;z-index:30;font-size:12px}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media(min-width:1450px){.hero{padding-top:70px;padding-bottom:60px}}@media(max-width:1000px){.header nav{gap:18px}.hero{gap:24px}.hero-art{height:410px}.shape-grid,.products{grid-template-columns:repeat(2,1fr)}.shape-card svg{height:160px}.product-visual{height:210px}.product-visual svg{height:185px}.guide,.editorial{gap:35px}.filter-inputs{flex-wrap:wrap}.filter-inputs label:first-child{min-width:100%;}.results-line{align-items:start}.intro-strip p b{margin:0 6px}}@media(max-width:650px){.header{height:78px;padding:0 5%}.header nav{display:none}.brand{font-size:28px}.brand>span:last-child{font-size:12px}.nav-cta{font-size:10px}.nav-cta span{margin-left:8px}.hero{padding:35px 5%;grid-template-columns:1fr;gap:30px}h1{font-size:46px;letter-spacing:-2px;margin-top:20px}.hero-copy p{font-size:13px}.hero .eyebrow{font-size:9px;letter-spacing:1.3px}.hero-art{height:335px}.hero-art:before{width:260px;height:260px}.label-top{top:58px}.label-bottom{bottom:62px}.technical-label{font-size:8px}.hero-note{font-size:9px}.intro-strip{margin:0 5%;flex-wrap:wrap;padding:18px 0}.intro-strip p{font-size:9px}.intro-strip>a{display:none}.section{padding:46px 5%}.section-heading{display:block;margin-bottom:23px}h2{font-size:24px}.section-heading p{font-size:11px;margin-top:14px}.shape-grid,.products{gap:10px}.shape-card{padding:13px}.shape-card svg{height:115px}.shape-card h3{font-size:14px}.shape-card p{font-size:10px}.shape-number{font-size:8px!important}.shape-card .en{font-size:8px}.product-visual{height:146px}.product-visual svg{height:120px}.product-info{padding:13px}.product h3{font-size:20px}.product-description{font-size:10px;min-height:57px}.badges{margin-bottom:14px}.price{font-size:20px}.product-actions{flex-direction:column;align-items:start;gap:12px}.filter-tabs{gap:6px}.filter-tabs button{font-size:10px;padding:8px 10px}.filter-inputs{gap:9px}.filter-inputs label{gap:6px;font-size:9px}.filter-inputs input,.filter-inputs select{font-size:10px;padding:8px}.results-line{display:block}.results-line>span:last-child{display:block;margin-top:6px}.guide,.editorial{grid-template-columns:1fr;gap:28px}.reading{padding-top:0}.reading-grid{grid-template-columns:1fr;gap:15px}.editorial{padding-top:28px;padding-bottom:28px}footer{align-items:start;gap:25px;padding:25px 5% 120px;flex-direction:column}footer>div{flex-wrap:wrap;gap:13px}.compare-bar{padding:12px;gap:10px;bottom:8px}.compare-bar .button{padding:12px;font-size:10px;gap:0}.compare-bar>div>span{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compare-bar .text-button{font-size:9px;padding:4px}dialog{padding:32px 20px}.dialog-hero{grid-template-columns:1fr;gap:8px}.dialog-hero svg{height:170px}.dialog-hero h2{font-size:28px}.art-bottom small{font-size:7px}}