/*
Theme Name: Daisen Corporate v3
Theme URI: https://daisen-inc.com/
Author: 株式会社大千
Description: 株式会社大千専用の黒白コーポレートテーマ。明朝体、選定済み事業写真、採用写真、会社概要を反映した完成版です。
Version: 1.2.0
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 7.4
Text Domain: daisen
*/

:root{--black:#050505;--ink:#161616;--white:#fff;--gray:#f4f4f2;--line:#d8d8d5;--muted:#6c6c6a;--wrap:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","HGS明朝E","MS PMincho",serif;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}.wrap{width:min(var(--wrap),calc(100% - 40px));margin:auto}.section{padding:96px 0}.section--dark{background:var(--black);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}.section-kicker{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}.section--dark .section-kicker{color:#aaa}.section-title{margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(34px,4.3vw,58px);font-weight:500;letter-spacing:.06em;line-height:1.25}.button{display:inline-flex;align-items:center;justify-content:center;min-width:190px;padding:14px 22px;border:1px solid currentColor;font-size:13px;letter-spacing:.12em;transition:.25s}.button:hover{background:#fff;color:#000}.button--black{background:#000;color:#fff;border-color:#000}.button--black:hover{background:#333;color:#fff}.site-header{position:fixed;inset:0 0 auto;z-index:100;background:rgba(0,0,0,.9);color:#fff;border-bottom:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px)}.header-inner{height:84px;display:flex;align-items:center;gap:34px}.site-brand{margin-right:auto;display:flex;align-items:center}.site-brand img{width:210px;max-height:60px;object-fit:contain;object-position:left center}.main-nav ul{list-style:none;display:flex;gap:28px;padding:0;margin:0}.main-nav a{font-size:13px;letter-spacing:.08em}.header-tel{font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","HGS明朝E","MS PMincho",serif;font-size:21px;white-space:nowrap}.menu-toggle{display:none;border:0;background:none;color:#fff;font-size:26px}.hero{min-height:860px;display:grid;align-items:center;color:#fff;position:relative;background:linear-gradient(90deg,rgba(0,0,0,.88) 0%,rgba(0,0,0,.58) 42%,rgba(0,0,0,.16) 73%,rgba(0,0,0,.26)),url("assets/images/hero.jpg") center/cover no-repeat}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15),transparent 35%,rgba(0,0,0,.55))}.hero-content{position:relative;z-index:1;padding-top:120px;max-width:760px}.hero-eyebrow{font-size:12px;letter-spacing:.28em;margin:0 0 18px}.hero h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(56px,7.2vw,104px);font-weight:500;line-height:1.1;letter-spacing:.05em;margin:0}.hero-lead{border-left:1px solid rgba(255,255,255,.55);padding-left:22px;margin:34px 0 0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(18px,2vw,25px);letter-spacing:.08em}.hero-services{margin-top:20px;font-size:15px;letter-spacing:.08em}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}.hero .button:first-child{background:#fff;color:#000}.hero .button:first-child:hover{background:#ddd}.strengths{position:relative;margin-top:-72px;z-index:4}.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#080808;color:#fff;border:1px solid #333}.strength{padding:30px;border-right:1px solid #333}.strength:last-child{border:0}.strength strong{display:block;font-family:"Yu Mincho",serif;font-size:20px;margin-bottom:8px}.strength span{font-size:12px;color:#c7c7c7}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card{background:#000;color:#fff;overflow:hidden}.service-card img{aspect-ratio:4/3;object-fit:cover;transition:.4s;filter:saturate(.92) contrast(1.03)}.service-card:hover img{transform:scale(1.04);filter:saturate(1)}.service-card div{padding:22px}.service-card h3{font-family:"Yu Mincho",serif;font-size:22px;margin:0 0 6px}.service-card p{font-size:12px;color:#ccc;margin:0}.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.work-item{position:relative;overflow:hidden;background:#222;cursor:pointer}.work-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.4s}.work-item:after{content:"施工実績";position:absolute;inset:auto 0 0;padding:15px;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.86));font-size:12px;letter-spacing:.1em}.work-item:hover img{transform:scale(1.045)}.company-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}.company-table{width:100%;border-collapse:collapse}.company-table th,.company-table td{padding:13px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.company-table th{width:32%;font-weight:500}.company-copy{padding:48px;background:#0a0a0a;color:#fff}.company-copy h3{font-family:"Yu Mincho",serif;font-size:34px;font-weight:500;margin:0 0 20px}.company-copy p{color:#d0d0d0}.recruit{background:linear-gradient(90deg,rgba(0,0,0,.92),rgba(0,0,0,.5)),url("assets/images/recruit-monochrome.png") 68% center/cover no-repeat;color:#fff;padding:90px 0}.recruit-inner{max-width:680px}.recruit h2{font-family:"Yu Mincho",serif;font-size:clamp(38px,5vw,64px);font-weight:500;margin:0 0 18px}.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}.contact-tel{font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","HGS明朝E","MS PMincho",serif;font-size:clamp(36px,5vw,72px);line-height:1}.contact-info{display:grid;gap:10px;font-size:15px}.site-footer{padding:40px 0;background:#000;color:#fff;border-top:1px solid #333}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}.footer-logo{width:240px;margin-bottom:14px}.copyright{color:#888;font-size:12px}.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.94);z-index:999;display:none;align-items:center;justify-content:center;padding:30px}.lightbox.is-open{display:flex}.lightbox img{max-height:88vh;max-width:94vw}.lightbox-close{position:absolute;top:18px;right:24px;background:none;border:0;color:#fff;font-size:38px;cursor:pointer}.page-content{padding:150px 0 90px;min-height:70vh}.page-content h1{font-family:"Yu Mincho",serif;font-size:54px;font-weight:500}
@media(max-width:980px){.main-nav,.header-tel{display:none}.menu-toggle{display:block}.main-nav.is-open{display:block;position:absolute;top:84px;left:0;right:0;background:#000;padding:24px}.main-nav.is-open ul{display:grid;gap:0}.main-nav.is-open li{border-bottom:1px solid #333;padding:13px 20px}.service-grid,.work-grid{grid-template-columns:repeat(2,1fr)}.strength-grid{grid-template-columns:repeat(2,1fr)}.strength:nth-child(2){border-right:0}.strength:nth-child(-n+2){border-bottom:1px solid #333}.company-grid,.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}
@media(max-width:640px){.wrap{width:min(100% - 28px,var(--wrap))}.section{padding:70px 0}.site-brand img{width:170px}.header-inner{height:74px}.main-nav.is-open{top:74px}.hero{min-height:760px;background-position:42% center}.hero-content{padding-top:110px}.hero h1{font-size:52px}.hero-lead{font-size:17px}.hero-actions{display:grid}.button{width:100%}.strengths{margin-top:0}.strength-grid,.service-grid,.work-grid{grid-template-columns:1fr}.strength{border-right:0;border-bottom:1px solid #333}.section-head{display:block}.section-head .button{margin-top:20px}.company-copy{padding:30px}.contact-tel{font-size:42px}}


/* v1.1: トップページ会社概要サマリー */
.company-summary{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.company-summary__inner{display:grid;grid-template-columns:190px minmax(0,1fr);align-items:stretch}
.company-summary__heading{padding:4px 28px 4px 0;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.company-summary__title{margin:0 0 20px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:32px;font-weight:500;letter-spacing:.06em;line-height:1.3}
.company-summary__button{min-width:130px;padding:10px 14px;font-size:12px;gap:22px}
.company-summary__facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.company-fact{min-width:0;padding:0 14px;text-align:center;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.company-fact:last-child{border-right:0}
.company-fact__icon{width:42px;height:42px;display:grid;place-items:center;margin-bottom:2px;color:#111}
.company-fact__icon svg{width:39px;height:39px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.company-fact__label{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:15px;letter-spacing:.08em}
.company-fact strong{font-size:13px;line-height:1.55;font-weight:500;white-space:normal}
.company-detail>h1{margin:0 0 52px}
.company-detail__grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:64px;align-items:start}
.company-detail__message{background:#080808;color:#fff;padding:48px}
.company-detail__message .section-kicker{color:#aaa}
.company-detail__message h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:34px;font-weight:500;line-height:1.5;margin:0 0 20px}
.company-detail__message p{color:#d0d0d0}
@media(max-width:1100px){.company-summary__inner{grid-template-columns:170px minmax(0,1fr)}.company-summary__facts{grid-template-columns:repeat(3,1fr)}.company-fact{padding:18px 12px;border-bottom:1px solid var(--line)}.company-fact:nth-child(3n){border-right:0}.company-fact:nth-last-child(-n+3){border-bottom:0}}
@media(max-width:760px){.company-summary{padding:56px 0}.company-summary__inner{grid-template-columns:1fr}.company-summary__heading{padding:0 0 28px;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;align-items:end}.company-summary__heading .section-kicker{grid-column:1/-1}.company-summary__title{margin:0}.company-summary__facts{grid-template-columns:repeat(2,1fr)}.company-fact{padding:22px 8px}.company-fact:nth-child(3n){border-right:1px solid var(--line)}.company-fact:nth-child(2n){border-right:0}.company-fact:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.company-fact:nth-last-child(-n+2){border-bottom:0}.company-detail__grid{grid-template-columns:1fr;gap:36px}.company-detail__message{padding:30px}}


/* v1.2: 選定写真・全明朝体・会社概要5項目 */
button,input,textarea,select{font:inherit}
.main-nav a,.button,.section-kicker,.hero-eyebrow,.hero-services,.strength span,.service-card p,.work-item:after,.copyright{font-family:"Yu Mincho","YuMincho","Hiragino Mincho ProN","HGS明朝E","MS PMincho",serif}
.service-card--tobi img{object-position:50% 50%}
.service-card--scaffold img{object-position:50% 56%}
.service-card--temporary img{object-position:50% 62%}
.service-card--crane img{object-position:50% 44%}
.recruit{min-height:560px;display:grid;align-items:center;background-position:68% center}
.recruit:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.94) 0%,rgba(0,0,0,.78) 38%,rgba(0,0,0,.22) 70%,rgba(0,0,0,.08) 100%)}
.recruit{position:relative}
.recruit-inner{position:relative;z-index:1}
.company-summary__facts{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:1100px){.company-summary__facts{grid-template-columns:repeat(3,1fr)}.company-fact:nth-child(3n){border-right:0}.company-fact:nth-child(4),.company-fact:nth-child(5){border-bottom:0}}
@media(max-width:760px){.company-summary__facts{grid-template-columns:repeat(2,1fr)}.company-fact:nth-child(3n){border-right:1px solid var(--line)}.company-fact:nth-child(2n){border-right:0}.company-fact:nth-child(5){grid-column:1/-1;border-right:0;border-bottom:0}.recruit{min-height:620px;background-position:62% center}.recruit:before{background:linear-gradient(90deg,rgba(0,0,0,.94),rgba(0,0,0,.66))}}