/*
Theme Name: batho
Theme URI: https://batho.example/
Author: batho
Author URI: https://batho.example/
Description: 株式会社batho のコーポレートサイト用ワンページテーマ。ダーク基調＋パープルアクセント。内容はカスタマイザーから編集できます。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: batho
*/

/* ============ Tokens ============ */
:root{
	--bg:#0a0a0a;
	--bg-2:#070707;
	--fg:#f5f5f5;
	--accent:#c77dff;
	--line:#1f1f1f;
	--muted:#8a8a8a;
	--f-jp:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
	--f-round:"Zen Maru Gothic",var(--f-jp);
	--f-cond:"Bebas Neue","Anton",sans-serif;
	--f-anton:"Anton",var(--f-jp);
	--pad:clamp(20px,5vw,64px);
	--maxw:1280px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
	margin:0;background:var(--bg);color:var(--fg);
	font-family:var(--f-jp);font-weight:500;line-height:1.75;
	overflow-x:hidden;letter-spacing:.01em;
	-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.ac{color:var(--accent);}

/* ============ Scroll progress ============ */
.scroll-progress{
	position:fixed;top:0;left:0;height:3px;width:0;z-index:200;
	background:var(--accent);transition:width .1s linear;
}

/* ============ Cursor ring ============ */
.cursor-ring{
	position:fixed;top:0;left:0;width:34px;height:34px;border:1.5px solid var(--accent);
	border-radius:50%;pointer-events:none;z-index:190;transform:translate(-50%,-50%);
	transition:transform .12s ease, opacity .2s;opacity:0;mix-blend-mode:difference;
}
@media (hover:hover) and (pointer:fine){ .cursor-ring{opacity:1;} }

/* ============ Header ============ */
.site-header{
	position:fixed;top:0;left:0;width:100%;z-index:150;
	transition:background .3s ease,border-color .3s ease,backdrop-filter .3s;
	border-bottom:1px solid transparent;
}
.site-header.scrolled{
	background:rgba(10,10,10,.82);backdrop-filter:blur(10px);
	border-bottom-color:var(--line);
}
.header-inner{
	max-width:var(--maxw);margin:0 auto;padding:18px var(--pad);
	display:flex;align-items:center;justify-content:space-between;
}
.brand{
	font-family:var(--f-round);font-weight:900;color:var(--accent);
	font-size:26px;letter-spacing:.02em;line-height:1;
}
.site-nav{display:flex;gap:clamp(14px,2vw,34px);}
.site-nav a{
	font-family:var(--f-cond);font-size:16px;letter-spacing:.16em;color:var(--fg);
	transition:color .2s;
}
.site-nav a:hover{color:var(--accent);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:34px;height:24px;position:relative;}
.nav-toggle span{position:absolute;left:0;width:100%;height:2px;background:var(--fg);transition:.3s;}
.nav-toggle span:nth-child(1){top:4px;}
.nav-toggle span:nth-child(2){bottom:4px;}

/* ============ Hero ============ */
.hero{position:relative;height:100svh;min-height:600px;overflow:hidden;display:flex;flex-direction:column;justify-content:center;}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-video{width:100%;height:100%;object-fit:cover;filter:grayscale(.2) brightness(.5);}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(120% 120% at 50% 40%,rgba(10,10,10,.35),rgba(10,10,10,.85));}
.hero-inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;width:100%;padding:0 var(--pad);}
.kicker{
	display:flex;align-items:center;gap:16px;margin:0 0 24px;
	font-family:var(--f-cond);letter-spacing:.28em;color:var(--accent);font-size:15px;
}
.kicker-line{display:inline-block;width:56px;height:1px;background:var(--accent);}
.hero-title{
	margin:0;font-family:var(--f-jp);font-weight:900;line-height:.98;letter-spacing:.01em;
	font-size:clamp(64px,15vw,220px);
}
.hero-est{position:absolute;left:var(--pad);bottom:26px;z-index:1;font-family:var(--f-cond);letter-spacing:.24em;color:var(--muted);font-size:14px;}
.hero-scroll{position:absolute;right:26px;bottom:26px;z-index:1;writing-mode:vertical-rl;font-family:var(--f-cond);letter-spacing:.3em;color:var(--muted);font-size:14px;}

/* ============ Sections ============ */
.section{padding:clamp(72px,12vh,150px) 0;border-top:1px solid var(--line);}
.section-about{border-top:0;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.sec-label{display:flex;align-items:center;gap:16px;margin:0 0 26px;font-family:var(--f-cond);letter-spacing:.26em;color:var(--accent);font-size:15px;}
.sec-label.center{justify-content:center;}
.sec-line{display:inline-block;width:44px;height:1px;background:var(--accent);}
.sec-heading{margin:0 0 48px;font-family:var(--f-jp);font-weight:900;line-height:1.02;font-size:clamp(40px,7vw,104px);letter-spacing:.01em;}
.sec-heading .heading-logo{display:inline-block;height:.8em;width:auto;vertical-align:baseline;margin-right:.02em;}
.sec-heading.big{font-size:clamp(52px,9vw,150px);}

/* ---- About ---- */
.about-lead p{font-size:clamp(24px,4.4vw,58px);font-weight:900;line-height:1.35;margin:0 0 .4em;letter-spacing:.01em;}
.about-terms{display:flex;flex-wrap:wrap;gap:40px 72px;margin-top:64px;padding-top:34px;border-top:1px solid var(--line);}
.term{display:flex;align-items:baseline;gap:16px;}
.term-word{font-family:var(--f-cond);font-size:22px;letter-spacing:.12em;color:var(--accent);}
.term-desc{color:var(--muted);font-size:15px;}

/* ---- Philosophy ---- */
.mini-label{display:block;font-family:var(--f-cond);letter-spacing:.24em;color:var(--muted);font-size:15px;margin-bottom:14px;}
.philos-grid{display:block;margin-bottom:0;}
.philos-block{display:grid;grid-template-columns:130px 1fr;gap:28px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line);}
.philos-block:first-child{border-top:1px solid var(--line);}
.philos-block:last-child{border-bottom:none;}
.philos-block .mini-label{margin-bottom:0;padding-top:8px;}
.philos-text p{margin:0;font-size:clamp(22px,2.9vw,38px);font-weight:900;line-height:1.35;}
.value-list{border-top:1px solid var(--line);padding-top:34px;margin-top:8px;}
.value-head{margin-bottom:26px;}
.value-item{display:grid;grid-template-columns:130px 1fr;gap:28px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line);}
.value-num{font-family:var(--f-cond);font-size:26px;color:var(--accent);letter-spacing:.08em;}
.value-text{font-size:clamp(18px,2.4vw,30px);font-weight:700;}

/* ---- Message ---- */
.message-body p{font-size:clamp(17px,2.3vw,28px);font-weight:700;line-height:1.85;margin:0 0 1.3em;}
.message-sign{margin-top:44px;}
.sign-rule{display:block;width:100%;height:1px;background:var(--line);margin-bottom:26px;}
.sign-name{font-size:clamp(16px,2vw,22px);font-weight:700;}

/* ---- Works ---- */
.section-works .wrap{position:relative;}
.works-list{border-top:1px solid var(--line);}
.work-row{
	display:flex;align-items:center;gap:24px;padding:clamp(22px,3.4vw,42px) 0;
	border-bottom:1px solid var(--line);position:relative;cursor:pointer;transition:padding-left .35s ease;
}
.work-row:hover{padding-left:22px;}
.work-num{font-family:var(--f-cond);font-size:16px;color:var(--muted);letter-spacing:.1em;min-width:34px;}
.work-main{flex:1;min-width:0;}
.work-title{margin:0;font-size:clamp(24px,4vw,56px);font-weight:900;line-height:1.1;display:flex;align-items:center;gap:18px;flex-wrap:wrap;transition:color .3s;}
.work-row:hover .work-title{color:var(--accent);}
.soon{font-family:var(--f-cond);font-size:13px;letter-spacing:.14em;color:#0d0d0d;font-weight:700;background:var(--accent);border-radius:999px;padding:5px 14px;line-height:1;white-space:nowrap;}
.work-desc{margin:12px 0 0;color:var(--muted);font-size:15px;max-width:52ch;opacity:0;max-height:0;overflow:hidden;transition:opacity .35s ease,max-height .35s ease;}
.work-row:hover .work-desc{opacity:1;max-height:80px;}
.work-en{font-family:var(--f-cond);letter-spacing:.16em;color:var(--muted);font-size:17px;white-space:nowrap;}
.work-arrow{color:var(--muted);font-size:22px;transition:transform .3s,color .3s;}
.work-row:hover .work-arrow{color:var(--accent);transform:translateX(8px);}
.work-thumb{
	flex:0 0 auto;width:clamp(96px,10.5vw,140px);border-radius:5px;overflow:hidden;line-height:0;
	opacity:.68;filter:saturate(.9);transition:opacity .4s ease,filter .4s ease;
}
.work-thumb img{width:100%;height:auto;aspect-ratio:1200/816;object-fit:cover;display:block;}
.work-row:hover .work-thumb,.work-row:focus-within .work-thumb{opacity:1;filter:saturate(1);}

/* ---- Company ---- */
.company-table{margin:0;border-top:1px solid var(--line);}
.company-row{display:grid;grid-template-columns:220px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);}
.company-row dt{margin:0;font-family:var(--f-cond);letter-spacing:.18em;color:var(--accent);font-size:15px;}
.company-row dd{margin:0;font-size:clamp(16px,2vw,22px);font-weight:700;}

/* ---- Contact ---- */
.contact-form{max-width:680px;}
.field{margin-bottom:26px;}
.field label{display:block;font-family:var(--f-cond);letter-spacing:.18em;color:var(--muted);font-size:14px;margin-bottom:10px;}
.field .req{color:var(--accent);margin-left:4px;}
.field input,.field textarea{
	width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);
	color:var(--fg);font-family:var(--f-jp);font-size:18px;padding:12px 2px;transition:border-color .25s;
}
.field input:focus,.field textarea:focus{outline:none;border-bottom-color:var(--accent);}
.field textarea{resize:vertical;}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden;}
.btn-send{
	margin-top:14px;background:var(--accent);color:#0a0a0a;border:0;cursor:pointer;
	font-family:var(--f-cond);letter-spacing:.2em;font-size:19px;padding:16px 54px;border-radius:999px;
	transition:transform .2s,filter .2s;
}
.btn-send:hover{transform:translateY(-2px);filter:brightness(1.08);}
.form-error{color:var(--accent);margin:0 0 24px;font-weight:700;}

/* ---- Thank you overlay ---- */
.thanks-overlay{
	position:fixed;inset:0;z-index:210;background:var(--bg-2);
	display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--pad);
	opacity:0;visibility:hidden;transition:opacity .4s ease,visibility .4s;
}
.thanks-overlay.is-open{opacity:1;visibility:visible;}
.thanks-title{font-family:var(--f-jp);font-weight:900;font-size:clamp(44px,8vw,110px);line-height:1.05;margin:14px 0 24px;}
.thanks-body p{margin:0 0 .4em;color:var(--muted);font-size:clamp(15px,2vw,19px);}
.btn-close{
	margin-top:40px;background:transparent;border:1px solid var(--line);color:var(--fg);cursor:pointer;
	font-family:var(--f-cond);letter-spacing:.2em;font-size:16px;padding:14px 46px;border-radius:999px;transition:.2s;
}
.btn-close:hover{border-color:var(--accent);color:var(--accent);}

/* ============ Footer ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:60px 0 46px;}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.footer-brand{font-family:var(--f-round);font-weight:900;color:var(--accent);font-size:30px;margin-bottom:26px;}
.footer-brand .footer-logo{width:clamp(112px,12vw,150px);height:auto;display:block;}
.footer-copy{font-family:var(--f-cond);letter-spacing:.12em;color:var(--fg);font-size:15px;margin:0 0 18px;}
.footer-note{color:var(--muted);font-size:12.5px;line-height:1.9;max-width:70ch;margin:0;}

/* ============ Responsive ============ */
@media (max-width:860px){
	.philos-block{grid-template-columns:1fr;gap:8px;padding:22px 0;}
	.brand{padding-block:11px;margin-block:-11px;}
	.nav-toggle::after{content:"";position:absolute;inset:-10px;}
	.philos-block .mini-label{padding-top:0;margin-bottom:2px;}
	.value-item{grid-template-columns:44px 1fr;gap:14px;}
	.company-row{grid-template-columns:1fr;gap:8px;}
	.site-nav{
		position:fixed;inset:0;background:var(--bg-2);flex-direction:column;justify-content:center;
		align-items:center;gap:30px;transform:translateX(100%);transition:transform .35s ease;
	}
	.site-nav.open{transform:translateX(0);}
	.site-nav a{font-size:26px;}
	.nav-toggle{display:block;z-index:160;}
	.work-row{flex-wrap:wrap;gap:10px 18px;}
	.work-en{order:3;}
	.work-desc{opacity:1;max-height:none;}
	.work-link{opacity:1;max-height:none;}
	.work-main{flex:1 1 calc(100% - 56px);order:1;}
	.work-num{order:0;}
	.work-thumb{width:118px;order:2;opacity:1;filter:none;}
	.work-arrow{order:4;margin-left:auto;}
}
@media (max-width:520px){
	.hero-title{font-size:clamp(52px,17vw,90px);}
	.about-terms{gap:24px;}
}

/* ============ Accessibility ============ */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
	outline:3px solid var(--accent);outline-offset:3px;border-radius:3px;
}
.site-header a:focus-visible,.hero a:focus-visible{outline-color:#fff;}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--accent);color:#0d0d0d;
	font-family:var(--f-cond);font-weight:700;letter-spacing:.1em;padding:12px 20px;border-radius:0 0 6px 0;}
.skip-link:focus{left:0;}
main[tabindex="-1"]:focus{outline:none;}
@media (prefers-reduced-motion:reduce){
	*,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
	.hero video{display:none;}
}