/* KATOKEN shared components */
:root{--red:#d91522;--ink:#161616;--paper:#f5f3ef;--serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;--sans:"Yu Gothic","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:var(--sans);font-feature-settings:"palt"}img{display:block;width:100%}a{text-decoration:none;color:inherit}
header{position:fixed;z-index:80;top:0;left:0;right:0;transform:translateY(-100%);transition:.6s ease}header.show{transform:none}
.frame-header{height:94px;padding:0 3.2vw;background:transparent!important;backdrop-filter:none!important;border-bottom:1px solid rgba(255,255,255,.28)!important;color:#fff;transition:transform .6s ease,background .45s ease,color .45s ease,border-color .45s ease;display:grid;grid-template-columns:140px 1fr auto;gap:28px;align-items:center}
.frame-header:before,.frame-header:after{content:"";position:fixed;top:0;bottom:0;width:1px;background:rgba(255,255,255,.18);pointer-events:none;transition:.45s}.frame-header:before{left:3.2vw}.frame-header:after{right:3.2vw}
.frame-header .logo{width:54px;height:54px;display:block;position:relative;z-index:2;margin-left:18px}.frame-header .logo img{position:absolute;inset:0;width:54px;height:54px;object-fit:contain;object-position:center;background:transparent!important;padding:0!important;transition:opacity .35s ease}.frame-header .logo .logo-light{opacity:1}.frame-header .logo .logo-dark{opacity:0}
.header-mark{font:9px/1.45 Georgia,serif;letter-spacing:.25em;opacity:.68;align-self:center;border-left:1px solid rgba(255,255,255,.35);padding-left:20px}
.frame-nav{height:100%;display:flex;gap:0!important;align-items:stretch!important;font-size:12px;letter-spacing:.08em}.frame-nav>a{position:relative;display:flex;align-items:center;gap:10px;padding:0 19px;border-left:1px solid rgba(255,255,255,.18);transition:.35s}.frame-nav>a:last-child{border-right:1px solid rgba(255,255,255,.18)}.frame-nav>a:after{display:none!important}.frame-nav b{font:10px Georgia,serif;color:var(--red);font-weight:400;align-self:flex-start;margin-top:29px}.frame-nav span{font:11px Georgia,serif;letter-spacing:.15em;line-height:1.1}.frame-nav small{display:block;font:9px var(--sans);letter-spacing:.08em;margin-top:7px;opacity:.62}.frame-nav>a:hover{background:rgba(255,255,255,.10)}.contact-nav{color:inherit!important;padding-left:19px!important}.frame-nav a.is-current{background:rgba(255,255,255,.07)}.menu-toggle{display:none}
.frame-header.scrolled{background:rgba(250,249,246,.96)!important;color:#171717;border-bottom-color:rgba(0,0,0,.12)!important;backdrop-filter:blur(16px)!important}.frame-header.scrolled:before,.frame-header.scrolled:after{background:rgba(0,0,0,.09)}.frame-header.scrolled .header-mark{border-color:rgba(0,0,0,.18)}.frame-header.scrolled .frame-nav>a{border-color:rgba(0,0,0,.09)}.frame-header.scrolled .frame-nav>a:hover{background:rgba(0,0,0,.035)}.frame-header.scrolled .logo .logo-light{opacity:0}.frame-header.scrolled .logo .logo-dark{opacity:1}
.contact.contact-red{position:relative;overflow:hidden;padding:52px 9vw 56px;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:7vw}.contact-red .contact-copy{position:relative;z-index:2;max-width:760px}.contact-red .small-en{color:var(--red);margin-bottom:18px}.contact-red .contact-catch{font-family:var(--serif);font-size:clamp(34px,3.35vw,52px);font-weight:400;line-height:1.32;letter-spacing:.04em;margin:0 0 14px;color:var(--ink)}.contact-red .contact-title{font-family:var(--serif);font-size:clamp(18px,1.55vw,25px);font-weight:400;letter-spacing:.05em;margin:0;color:var(--ink)}.contact-red .contact-btn{position:relative;z-index:2;width:min(420px,38vw);display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(0,0,0,.42);border-bottom:1px solid rgba(0,0,0,.42);padding:20px 4px;font-size:13px;letter-spacing:.08em;color:var(--ink)}.contact-red .contact-btn span{font-size:24px;color:var(--red);transition:transform .3s ease}.contact-red .contact-btn:hover span{transform:translate(4px,-4px)}
footer{background:var(--red);color:#fff;padding:55px 5vw 35px;display:grid;grid-template-columns:1fr auto;gap:35px;align-items:end}footer img{width:58px}footer div{display:flex;gap:28px;font-size:11px;letter-spacing:.08em}footer small{grid-column:1/3;font:9px Georgia,serif;letter-spacing:.12em;color:rgba(255,255,255,.72)}
@media(max-width:980px){.frame-header{grid-template-columns:90px 1fr auto;height:74px}.header-mark,.frame-nav{display:none}.frame-header .logo{margin-left:10px}.frame-header .logo img{width:48px;height:48px}.menu-toggle{display:block;border:0;background:none;width:44px;height:44px;position:relative;color:inherit}.menu-toggle span{position:absolute;right:4px;width:26px;height:1px;background:currentColor}.menu-toggle span:first-child{top:17px}.menu-toggle span:last-child{top:26px}}
@media(max-width:800px){.contact.contact-red{padding:90px 8vw 95px;display:block}.contact-red .contact-catch{font-size:11vw}.contact-red .contact-title{font-size:6vw}.contact-red .contact-btn{width:100%;margin-top:58px}footer{grid-template-columns:1fr}footer div{display:none}footer small{grid-column:auto}}