:root{--bg:#ffffff;--bg-alt:#f7f7f5;--sumi:#1a1a1a;--sumi-thin:#5a5a58;--ai:#23406b;--ai-pale:#eaeef4;--rule:#d8d6d1;--rule-fine:#ebe9e5}@media (prefers-color-scheme:dark){:root{--bg:#14161a;--bg-alt:#191c21;--sumi:#eae8e3;--sumi-thin:#9a978f;--ai:#8fb0d9;--ai-pale:#1e2733;--rule:#33373e;--rule-fine:#24282e}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--sumi);font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,Yu Gothic UI,Meiryo,sans-serif;font-size:15.5px;line-height:2.05;font-feature-settings:"palt" 1;-webkit-font-smoothing:antialiased}.brand-name,.hero h1,.mincho,.value-num,h1,h2,h3{font-family:Hiragino Mincho ProN,Yu Mincho,YuMincho,"Noto Serif JP",MS PMincho,serif;font-weight:600}a{color:var(--ai);text-underline-offset:4px}.wrap{max-width:720px}.wrap,.wrap-narrow{margin:0 auto;padding:0 28px}.wrap-narrow{max-width:680px}.site-header{border-bottom:1px solid var(--rule)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;padding-bottom:22px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--sumi)}.brand-mark{flex:none;display:block}.brand-name{font-size:17px;letter-spacing:.14em}.header-nav{display:flex;gap:26px;font-size:13px}.header-nav a{color:var(--sumi-thin);text-decoration:none;letter-spacing:.06em}.header-nav a:hover{color:var(--ai)}.section{padding:84px 0;border-top:1px solid var(--rule-fine)}.section:first-of-type{border-top:0}.section-alt{background:var(--bg-alt)}.eyebrow{font-size:11px;letter-spacing:.3em;color:var(--sumi-thin);margin:0 0 20px;font-weight:400}.eyebrow:before{content:"";display:inline-block;width:18px;height:1px;background:var(--ai);vertical-align:middle;margin-right:12px}.section h2{font-size:clamp(19px,4.4vw,24px);line-height:1.85;margin:0 0 20px;letter-spacing:.04em}.section-lead{color:var(--sumi-thin);margin:0;font-size:14.5px}.hero{padding:108px 0 96px}.hero-mark{margin-bottom:40px}.hero h1{font-size:clamp(27px,6.2vw,40px);line-height:1.95;letter-spacing:.1em;margin:0 0 32px;font-weight:500}.hero-rule{width:40px;height:1px;background:var(--ai);margin:0 0 32px}.hero p{color:var(--sumi-thin);font-size:14.5px;max-width:26em;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px}.link-arrow{font-size:14px;text-decoration:none;color:var(--sumi);border-bottom:1px solid var(--ai);padding-bottom:5px;letter-spacing:.06em}.link-arrow:after{content:" →";color:var(--ai)}.link-arrow:hover{color:var(--ai)}.values{margin-top:52px;border-top:1px solid var(--rule-fine)}.value{display:grid;grid-template-columns:5.5em 1fr;grid-gap:0 24px;gap:0 24px;padding:26px 0;border-bottom:1px solid var(--rule-fine)}.value-num{font-size:17px;color:var(--ai);letter-spacing:.1em;line-height:1.6}.value h3{font-size:16px;margin:0 0 6px;letter-spacing:.05em}.value p{font-size:14px;color:var(--sumi-thin);margin:0;line-height:1.95}.product{border-top:1px solid var(--rule);padding-top:32px;margin-top:44px}.product-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}.product h3{font-size:19px;margin:0;letter-spacing:.06em}.badge{font-size:11px;letter-spacing:.12em;color:var(--ai);border:1px solid var(--ai);padding:2px 9px}.product p{font-size:14.5px;color:var(--sumi-thin);margin:16px 0 0}.product-tags{display:flex;flex-wrap:wrap;gap:0 20px;margin:20px 0 0;padding:0;list-style:none;font-size:12.5px;color:var(--sumi-thin)}.product-tags li{letter-spacing:.06em}.product-tags li+li:before{content:"／";margin-right:20px;color:var(--rule)}.mail{display:inline-block;margin-top:20px;font-size:clamp(17px,4.2vw,22px);letter-spacing:.06em;color:var(--sumi);text-decoration:none;border-bottom:1px solid var(--ai);padding-bottom:6px;word-break:break-all}.mail:hover{color:var(--ai)}.info{border-collapse:collapse;width:100%;font-size:14.5px;margin-top:12px}.info td,.info th{text-align:left;vertical-align:top;padding:16px 0;border-bottom:1px solid var(--rule-fine)}.info th{width:9em;padding-right:24px;font-weight:400;color:var(--sumi-thin);letter-spacing:.06em}.article{padding:64px 0 96px}.article h1{font-size:clamp(22px,5vw,28px);line-height:1.8;letter-spacing:.08em;margin:0 0 12px;font-weight:500}.article h2{font-size:17px;letter-spacing:.05em;margin:52px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--rule);line-height:1.8}.article h3{font-size:15px;margin:30px 0 6px;color:var(--sumi-thin);letter-spacing:.05em}.article li,.article p{font-size:14.5px}.article ul{padding-left:1.4em}.article li{margin:2px 0}.article strong{font-weight:600}.updated{font-size:12.5px;color:var(--sumi-thin);margin:0 0 44px;letter-spacing:.06em}.hero{position:relative;overflow:hidden}.hero .wrap{position:relative;z-index:1}.hero-kanji{position:absolute;top:50%;right:max(24px,calc(50% - 430px));transform:translateY(-50%);writing-mode:vertical-rl;font-family:Hiragino Mincho ProN,Yu Mincho,YuMincho,"Noto Serif JP",serif;font-size:132px;line-height:1.05;letter-spacing:.08em;color:var(--ai);opacity:.12;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:none;z-index:0}.statement{background:var(--ai);color:#fff;padding:96px 0}.statement p{font-family:Hiragino Mincho ProN,Yu Mincho,YuMincho,"Noto Serif JP",serif;font-size:clamp(19px,4.6vw,27px);line-height:2.3;letter-spacing:.12em;margin:0;font-weight:400}.statement .attr{font-family:inherit;display:block;margin-top:32px;font-size:12px;letter-spacing:.24em;opacity:.7}.maker{display:grid;grid-template-columns:auto 1fr;grid-gap:0 28px;gap:0 28px;margin-top:36px}.maker-mark{padding-top:6px}.maker p{margin:0 0 14px;font-size:14.5px;color:var(--sumi-thin)}.maker p:last-child{margin-bottom:0}.site-footer{border-top:1px solid var(--rule);padding:40px 0 64px;font-size:12.5px;color:var(--sumi-thin)}.site-footer nav{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:18px}.site-footer a{color:var(--sumi-thin);text-decoration:none;letter-spacing:.06em}.site-footer a:hover{color:var(--ai)}.site-footer .copy{letter-spacing:.08em}@media (max-width:640px){body{font-size:15px;line-height:1.95}.hero-kanji{font-size:92px;opacity:.08;right:-6px}.statement{padding:68px 0}.statement p{line-height:2.1;letter-spacing:.08em}.maker{grid-template-columns:1fr;gap:18px}.header-nav{display:none}.section{padding:60px 0}.hero{padding:72px 0 64px}.hero h1{line-height:1.85;letter-spacing:.06em}.value{grid-template-columns:1fr;gap:6px}.info th{width:auto;display:block;border:0;padding:14px 0 0}.info td{display:block;padding-top:2px}}