*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter','Noto Sans JP',sans-serif;font-weight:500;color:#646464;line-height:1.6;background-color:#fff;padding-top:90px;overflow-x:hidden;width:100%}
a{text-decoration:none;color:inherit;transition:opacity .3s}
a:hover{opacity:.7}
ul{list-style:none}
.container-inner{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.red-text{color:#D31425}
.section-header{text-align:center;margin-bottom:50px}
.section-title{font-size:2.5rem;font-weight:bold;margin-bottom:5px;color:#646464}
.section-subtitle{font-size:1.2rem;color:#555;display:block;font-family:'Noto Sans JP',sans-serif;font-weight:bold}
.site-header{width:100%;background-color:#fff;position:fixed;top:0;left:0;z-index:1000;box-shadow:0 2px 5px rgba(0,0,0,.05);height:90px;display:flex;align-items:center}
.header-inner{width:100%;padding:0 20px;display:flex;justify-content:space-between;align-items:center}
.logo-container{display:flex;align-items:center}
.logo-main{font-family:Arial,sans-serif;font-weight:700;font-size:42px;color:#D31425;line-height:1;letter-spacing:-1px}
.logo-sub{margin-left:12px;font-size:10px;line-height:1.2;color:#555;font-weight:600;display:flex;flex-direction:column}
.main-nav{margin-left:auto;margin-right:30px}
.nav-list{display:flex;align-items:center}
.nav-list li{margin:0;padding:0;position:relative}
.nav-list>li>a{display:flex;flex-direction:column;justify-content:center;padding:0 25px;height:40px;border-right:1px solid var(--hdc-red);color:#646464;font-weight:bold;font-size:15px;line-height:1.4}
.nav-list>li:last-child>a{border-right:none}
.nav-list a:hover{color:var(--hdc-red);opacity:1}
.nav-list .sub-menu{display:none;position:absolute;top:100%;left:0;min-width:220px;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.1);border-top:2px solid var(--hdc-red);z-index:1001;padding:8px 0;list-style:none}
.nav-list li:hover>.sub-menu{display:block}
.nav-list .sub-menu li{margin:0;padding:0}
.nav-list .sub-menu a{display:block;padding:10px 20px;font-size:14px;font-weight:500;color:#646464;white-space:nowrap;border-right:none;height:auto}
.nav-list .sub-menu a:hover{background:#f7f7f7;color:var(--hdc-red)}
.nav-list .sub-menu .sub-menu{top:0;left:100%;border-top:none;border-left:2px solid var(--hdc-red)}
.nav-item{display:flex;flex-direction:column;justify-content:center;padding:0 15px}
.nav-jp{display:block;font-size:14px;font-weight:bold;color:#646464;line-height:1.2;margin-bottom:2px}
.nav-en{display:block;font-size:11px;color:#646464;font-weight:500;line-height:1.2;font-family:'Noto Sans JP',sans-serif}
.nav-divider{width:1px;height:24px;background-color:#D31425;display:block}
.contact-btn{background-color:#D31425;color:#fff;width:160px;height:56px;display:flex;flex-direction:column;justify-content:center;align-items:center}
.contact-jp{font-size:16px;font-weight:bold;line-height:1.2}
.contact-en{font-size:12px;line-height:1.2}
.hero{position:relative;height:calc(100vh - 90px);min-height:600px;background:no-repeat center center/cover;display:flex;align-items:center;color:#fff;width:100%}
.hero-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0;pointer-events:none}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.1)}
.hero-content{position:relative;z-index:1;padding-left:10%}
.hero h1{font-size:3.5rem;margin-bottom:10px;text-shadow:0 2px 4px rgba(0,0,0,.3);line-height:1.2}
.hero p{font-size:1.5rem;opacity:.9;text-shadow:0 1px 2px rgba(0,0,0,.3)}
.scroll-down{position:absolute;bottom:20px;right:40px;text-align:center;z-index:2}
.scroll-box{background-color:#D31425;width:50px;height:50px;display:flex;justify-content:center;align-items:center;color:#fff;font-size:20px;margin-bottom:5px}
.scroll-text{font-size:.8rem;color:#D31425;border:1px solid #D31425;padding:2px 5px;background:#fff;font-weight:bold}
.intro{padding:80px 0;background-color:#fff}
.intro-container{display:flex;align-items:center;gap:50px}
.intro-img{flex:1}
.intro-img img{width:100%;height:auto;display:block;box-shadow:0 5px 15px rgba(0,0,0,.1)}
.intro-text{flex:1}
.intro-title{font-size:2rem;color:#D31425;font-weight:bold;margin-bottom:20px;border-bottom:1px solid #ddd;padding-bottom:10px;display:inline-block}
.intro-desc{font-size:1rem;color:#555;line-height:1.8}
.section-strengths{padding:60px 0;width:100%;overflow:hidden}
.st-header{margin-bottom:60px;text-align:left}
.section-strengths .st-header,.section-strengths .st-grid{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.st-title{font-size:2.5rem;font-weight:bold;color:#646464;line-height:1.2}
.st-subtitle{font-size:1.2rem;color:#555;font-family:'Noto Sans JP',sans-serif;font-weight:bold;margin-top:5px;display:block}
.st-grid{display:grid;grid-template-columns:1fr 340px 1fr;align-items:stretch;position:relative;gap:40px}
.col-side{display:flex;flex-direction:column;justify-content:space-between;position:relative;z-index:10;padding:20px 0}
.col-left{text-align:right}
.col-right{text-align:left}
.item-block-top{margin-bottom:30px}
.item-block-bottom{margin-top:30px}
.block-title{font-size:48px;font-weight:bold;color:#D31425;line-height:1;font-family:'Noto Sans JP',sans-serif;display:inline-block;border-bottom:3px solid #D31425;padding-bottom:10px;margin-bottom:20px}
.st-list{margin-top:10px;list-style:none;font-size:13px;font-weight:bold;color:#646464;line-height:1.8}
.st-list li{display:flex;align-items:center;margin-bottom:4px}
.col-left .st-list{display:flex;flex-direction:column;align-items:flex-end}
.col-left .st-list li{flex-direction:row}
.icon-arrow{display:inline-block;font-size:10px;margin:0 8px;letter-spacing:-2px;background:linear-gradient(to right,#ffaaaa,#D31425);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.icon-arrow::before{content:"▶▶▶"}
.note-text{font-size:11px;color:#666;margin-top:4px;display:block}
.center-graphic{width:340px;height:340px;position:relative;align-self:center;flex-shrink:0}
.ring-main{position:absolute;top:0;left:0;width:100%;height:100%;border:55px solid #D31425;border-radius:50%;box-sizing:border-box;z-index:2}
.mask-v{position:absolute;left:50%;top:0;width:14px;height:100%;background:#fff;transform:translateX(-50%);z-index:3}
.mask-h{position:absolute;top:50%;left:0;width:100%;height:14px;background:#fff;transform:translateY(-50%);z-index:3}
.center-hdc{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:160px;height:160px;background:#fff;border-radius:50%;z-index:10;display:flex;justify-content:center;align-items:center;font-size:48px;font-weight:bold;color:#D31425;font-family:"Times New Roman",serif;box-shadow:0 0 0 8px #fff}
.ring-num{position:absolute;color:#fff;font-size:38px;font-weight:500;font-family:'Noto Sans JP',sans-serif;z-index:5}
.num-1{top:50px;left:60px}
.num-2{top:50px;right:60px}
.num-3{bottom:50px;left:60px}
.num-4{bottom:50px;right:60px}
.lines-layer{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}
.line-segment{position:absolute;background-color:#D31425;height:1px}
.line-tl-diag{width:42px;top:35px;left:28px;transform-origin:center;transform:rotate(45deg)}
.line-tl-horiz{top:20px;right:310px;width:360px}
.line-tr-diag{width:42px;top:35px;right:28px;transform-origin:center;transform:rotate(-45deg)}
.line-tr-horiz{top:20px;left:310px;width:360px}
.line-bl-diag{width:45px;bottom:52px;left:52px;transform-origin:center;transform:rotate(-45deg)}
.line-bl-horiz{top:320px;right:320px;width:360px}
.line-br-diag{width:45px;bottom:52px;right:52px;transform-origin:center;transform:rotate(45deg)}
.line-br-horiz{top:320px;left:320px;width:360px}
.products{padding:60px 0 100px 0;background-color:#fff}
.product-grid{display:grid;gap:20px;margin-top:50px}
.product-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.product-grid.cols-6{grid-template-columns:repeat(6,1fr)}
.product-card{background-color:#f5f5f5;padding-bottom:20px;transition:transform .3s}
.product-card:hover{transform:translateY(-5px)}
.product-img-placeholder{width:100%;height:200px;background-color:#ddd;margin-bottom:20px}
.product-info{padding:0 20px}
.product-name{font-size:1.2rem;font-weight:bold;margin-bottom:10px}
.product-desc{font-size:.85rem;color:#666;margin-bottom:20px;min-height:60px}
.product-link{font-size:.9rem;font-weight:bold;display:flex;align-items:center}
.product-link::before{content:"↗";margin-right:5px}
.site-footer{width:100%;background-color:#d9d9d9;padding:30px 0;border-top:1px solid #ccc;color:#646464;font-size:12px}
.footer-inner{width:100%;padding:0 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.footer-logo{display:flex;align-items:center;margin-right:20px}
.f-logo-main{font-size:42px;font-weight:bold;color:#D31425;margin-right:10px;line-height:1;letter-spacing:-1px}
.f-logo-sub{font-size:10px;color:#444;font-weight:bold;line-height:1.2;display:flex;flex-direction:column}
.footer-links{display:flex;align-items:center;margin-right:auto}
.f-link-item{display:flex;flex-direction:column;color:#646464;margin:0 15px}
.f-link-jp{font-weight:300;font-size:13px}
.f-link-en{font-size:11px;font-weight:300}
.f-divider{width:2px;height:20px;background-color:#D31425;display:block}
.footer-group-btn{border:1px solid #646464;border-radius:4px;padding:5px 15px;display:flex;align-items:center;margin-right:20px;cursor:pointer;min-width:140px;justify-content:space-between}
.g-jp{font-weight:bold;font-size:14px}
.g-en{font-size:11px;font-weight:bold}
.arrow-up-red{width:10px;height:10px;border-top:2px solid #D31425;border-right:2px solid #D31425;transform:rotate(-45deg);margin-top:5px}
.footer-group{position:relative}
.footer-group-menu{position:absolute;bottom:calc(100% + 8px);right:0;background:#fff;border:1px solid #eee;border-top:3px solid var(--hdc-red);box-shadow:0 -4px 20px rgba(0,0,0,.1);min-width:700px;padding:30px 30px 20px;border-radius:0;display:none;z-index:1001}
.footer-group-menu.open{display:block}
.footer-group-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;list-style:none}
.footer-group-list li{border-bottom:1px solid #eee;border-right:1px solid #eee}
.footer-group-list li:nth-child(4n){border-right:none}
.footer-group-list a{display:flex;align-items:center;padding:18px 15px;font-size:13px;font-weight:600;color:#646464;white-space:nowrap;transition:background .2s;min-height:56px}
.footer-group-list a:hover{background:#fafafa;opacity:1}
.footer-group-list a .group-link-logo{max-height:28px;width:auto;max-width:100%;object-fit:contain}
.footer-group-list a .group-link-hdc{color:var(--hdc-red);font-family:Arial,sans-serif;font-weight:700;font-size:18px;margin-right:8px;letter-spacing:-0.5px;flex-shrink:0}
.footer-group-list a .group-link-name{font-size:12px;font-weight:600;color:#333;letter-spacing:0.5px}
.footer-group-btn[aria-expanded="true"] .arrow-up-red{transform:rotate(135deg)}
.footer-addresses{display:flex;gap:20px;text-align:left}
.address-col{display:flex;flex-direction:column;line-height:1.4}
.addr-title{font-size:13px;font-weight:bold;margin-bottom:3px}
.addr-detail{font-size:11px;color:#646464;font-family:'Noto Sans JP',sans-serif}
@media (max-width:1200px){.header-inner{padding:0 20px}.footer-inner{flex-direction:column;align-items:flex-start}.footer-links{margin-right:0;margin-bottom:10px}}
@media (max-width:992px){.main-nav{display:none}.st-grid{grid-template-columns:1fr;gap:60px}.col-side{height:auto;text-align:center}.col-left,.col-right{text-align:center;padding:0 20px}.lines-layer{display:none}.block-title{border-bottom:2px solid #D31425}.col-left .st-list{align-items:center}.col-left .st-list li{order:0}.product-grid,.product-grid.cols-3,.product-grid.cols-6{grid-template-columns:1fr 1fr}.item-block-top,.item-block-bottom{margin-top:0;margin-bottom:0}}
:root{--hdc-red:#D31425;--table-header-red:#d63c33;--table-border-red:#e06b6b;--arrow-pink:#ee8888;--usage-header-bg:#ec8b8b;--usage-label-bg:#f09595;--usage-vertical-bg:#f09595;--sidebar-width:240px}
.sub-hero{position:relative;height:300px;background:no-repeat center center/cover;display:flex;align-items:flex-end}
.sub-hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.1)}
.breadcrumbs{position:relative;z-index:2;width:100%;max-width:1160px;margin:0 auto;padding:0 20px 20px 20px;color:#fff;font-size:14px;font-weight:bold;text-shadow:0 1px 3px rgba(0,0,0,.5)}
.page-layout{display:flex;max-width:1160px;margin:40px auto;padding:0 20px;gap:40px;align-items:flex-start}
.sidebar{width:var(--sidebar-width);flex-shrink:0}
.sidebar-menu a{display:block;padding:15px 20px;font-size:16px;font-weight:bold;color:#fff;background-color:#aaa;margin-bottom:2px;transition:.3s}
.sidebar-menu a.active{background-color:#ef5b5b}
.sidebar-menu a:hover:not(.active){background-color:#888}
.content-area{flex:1;width:100%}
.tabs-container{display:flex;gap:20px;margin-bottom:30px}
.tab-box{padding:10px 30px;border:1px solid #646464;font-weight:bold;font-size:16px;cursor:pointer;background:#fff;color:#646464;min-width:200px;text-align:center}
.tab-box.active{border:2px solid var(--hdc-red);color:var(--hdc-red);font-weight:700}
.tab-container{margin-bottom:30px}
.tabs{display:flex;gap:10px;margin-bottom:30px;border-bottom:2px solid var(--hdc-red);padding-bottom:10px}
.tab-button{padding:10px 40px;border:2px solid var(--hdc-red);background:#fff;color:var(--hdc-red);font-weight:bold;cursor:pointer;transition:.3s}
.tab-button.active{background-color:var(--hdc-red);color:#fff}
.tab-content{display:none}
.tab-content.active{display:block}
.section-heading-custom{display:flex;align-items:center;margin-bottom:30px}
.heading-arrow{display:flex;margin-right:10px}
.arrow-tri{width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid #e08080;margin-right:1px}
.heading-text{font-size:18px;font-weight:bold;color:#646464;margin-right:15px;white-space:nowrap}
.heading-line{height:4px;flex:1;background:linear-gradient(to right,#d63c33,#f0b0b0,#fff);border-radius:2px}
.process-container{display:flex;align-items:center;gap:15px;margin-bottom:60px}
.col-materials{display:flex;align-items:center;gap:5px}
.mat-box{width:140px;border:2px solid #d45d5d;display:flex;flex-direction:column}
.mat-header{background-color:var(--table-header-red);color:#fff;text-align:center;font-weight:bold;padding:5px 0;font-size:15px}
.mat-content{padding:10px 10px 20px 10px;font-size:14px;line-height:1.8;min-height:200px;background:#fff;color:#646464}
.mat-divider{height:1px;background-color:#999;margin:10px 0}
.plus-symbol{font-size:40px;font-weight:500;color:#646464;margin:0 5px;padding-bottom:20px}
.col-product{flex:1;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:220px}
.prod-text-top{font-size:14px;color:#646464;margin-bottom:2px}
.prod-text-top .red{color:var(--hdc-red);font-weight:bold}
.prod-text-bottom{font-size:13px;color:#646464;margin-bottom:10px;line-height:1.3}
.prod-text-bottom .red{color:var(--hdc-red);font-weight:bold}
.prod-img{width:160px;height:120px;background-color:#2c3e50;background-image:radial-gradient(#34495e 20%,transparent 20%),radial-gradient(#34495e 20%,transparent 20%);background-size:100%;background-position:0 0,5px 5px;border-radius:50% 50% 40% 40%;box-shadow:2px 5px 10px rgba(0,0,0,.2)}
.col-arrow{display:flex;margin:0 5px}
.big-arrow{width:0;height:0;border-top:20px solid transparent;border-bottom:20px solid transparent;border-left:25px solid var(--arrow-pink);margin-right:-10px}
.big-arrow:last-child{margin-right:0}
.col-usage{width:320px;display:flex;flex-direction:column}
.usage-header{background-color:var(--usage-header-bg);color:#fff;text-align:center;font-weight:bold;padding:5px 0;font-size:15px;margin-bottom:5px}
.usage-body{display:flex;flex-direction:column;gap:5px}
.usage-group-top{display:flex;gap:5px}
.usage-vertical-bar{background-color:var(--usage-vertical-bg);width:50px;color:#fff;display:flex;justify-content:center;align-items:center;font-weight:bold;font-size:14px;border-radius:2px}
.usage-rows-container{flex:1;display:flex;flex-direction:column;gap:5px}
.u-row{display:flex;align-items:stretch;min-height:36px}
.u-label{background-color:var(--usage-label-bg);color:#fff;font-size:12px;font-weight:bold;width:70px;display:flex;justify-content:center;align-items:center;border-radius:2px;margin-right:5px}
.u-content{flex:1;border:1px solid #777;display:flex;align-items:center;padding:2px 5px;font-size:11px;line-height:1.2;background:#fff}
.usage-row-bottom{display:flex;padding-left:55px}
.end-product-section{margin-bottom:50px}
.product-images-grid{display:flex;gap:20px;align-items:flex-end}
.left-imgs{flex:1;display:block}
.right-img{flex:1}
.p-img{width:100%;height:80px;background:#eee;object-fit:cover}
.p-img-lg{width:100%;height:200px;background:#eee;object-fit:contain}
.contact-link-box{border-top:2px solid var(--hdc-red);padding-top:20px;display:flex;gap:40px}
.office-name{font-weight:bold;font-size:18px;margin-bottom:5px}
.office-detail{font-size:14px;line-height:1.6}
@media (max-width:900px){.page-layout{flex-direction:column}.sidebar{width:100%;margin-bottom:20px}.process-container{flex-direction:column;align-items:stretch}.col-materials{justify-content:center}.col-arrow{transform:rotate(90deg);justify-content:center;margin:10px 0}.col-usage{width:100%}.usage-row-bottom{padding-left:0}.product-images-grid{flex-direction:column}}

/* =========================================
   会社概要 (Company Profile) Page Styles
   ========================================= */
.page-company-profile .profile-grid{display:grid;grid-template-columns:180px 1fr 280px;gap:10px;margin-bottom:40px}
.page-company-profile .profile-label{background-color:var(--hdc-red);color:#fff;padding:12px 15px;font-weight:bold;text-align:center;display:flex;align-items:center;justify-content:center;font-size:14px}
.page-company-profile .profile-value{background-color:#f4f4f4;padding:12px 20px;display:flex;align-items:center;font-size:15px;color:#333}
.page-company-profile .profile-row-full{grid-column:1/3;display:grid;grid-template-columns:180px 1fr;gap:10px}
.page-company-profile .profile-value-wide{grid-column:auto}
.page-company-profile .map-box{grid-row:1/5;grid-column:3;border:1px solid #e0e0e0;padding:15px;font-size:12px;display:flex;flex-direction:column;background:#fff}
.page-company-profile .map-placeholder{width:100%;height:150px;background:#e8ebf0;display:flex;align-items:center;justify-content:center;color:#999;font-size:14px;margin-bottom:15px}
.page-company-profile .map-image{width:100%;height:150px;object-fit:cover;margin-bottom:15px}
.page-company-profile .location-list{display:flex;flex-direction:column;gap:5px;color:#666;line-height:1.6}
.page-company-profile .location-list span{display:block}
.page-company-profile .website-link{color:var(--hdc-red);text-decoration:underline}
.page-company-profile .website-link:hover{opacity:.7}
.page-company-profile .page-additional-content{margin-top:40px;padding-top:30px;border-top:1px solid #e0e0e0}

/* 会社概要 Responsive */
@media (max-width:992px){.page-company-profile .profile-grid{grid-template-columns:1fr;gap:0}.page-company-profile .profile-label{text-align:left;justify-content:flex-start}.page-company-profile .profile-row-full{grid-column:1;grid-template-columns:1fr}.page-company-profile .map-box{grid-row:auto;grid-column:1;margin-bottom:20px;order:-1}.page-company-profile .profile-row-full .profile-label,.page-company-profile .profile-row-full .profile-value{width:100%}}

/* =========================================
   役割や目指す方向 (Company Vision) Page Styles
   ========================================= */
.page-company-vision .vision-page-title{color:var(--hdc-red);font-size:32px;font-weight:bold;text-align:center;margin-bottom:40px}
.page-company-vision .vision-content-flex{display:flex;gap:50px}

/* 左侧视觉图形区 */
.page-company-vision .vision-visual-block{width:340px;flex-shrink:0;background-color:#f87a7a;padding:40px 20px;color:#fff;text-align:center}

/* 金字塔图形 */
.page-company-vision .pyramid-box{position:relative;width:260px;height:220px;margin:0 auto 50px}
.page-company-vision .pyramid-svg{width:100%;height:100%}
.page-company-vision .pyramid-text{position:absolute;width:100%;left:0;font-weight:bold;font-size:18px;text-align:center}
.page-company-vision .txt-mission{top:70px}
.page-company-vision .txt-vision{top:125px}
.page-company-vision .txt-value{top:180px}

/* Stakeholder 图谱 */
.page-company-vision .stakeholder-container{text-align:left;padding:0 10px}
.page-company-vision .sh-title{font-weight:bold;font-size:18px;margin-bottom:20px}
.page-company-vision .sh-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-items:center;text-align:center}
.page-company-vision .sh-item{background:#fff;color:#f87a7a;font-size:9px;padding:4px 2px;border-radius:2px;white-space:nowrap}
.page-company-vision .sh-no-bg{background:transparent;color:#fff}
.page-company-vision .sh-hdc-center{grid-column:1/4;font-size:40px;font-weight:bold;margin:10px 0;border-top:1px solid #fff;border-bottom:1px solid #fff;padding:5px 0;text-align:center}

/* 右侧文字说明区 */
.page-company-vision .vision-text-block{flex:1}
.page-company-vision .vision-section-header{background:#f87a7a;color:#fff;padding:8px 15px;font-weight:bold;font-size:16px;margin-bottom:15px;display:block;width:100%;box-sizing:border-box}
.page-company-vision .vision-section-content{font-size:14px;margin-bottom:40px;line-height:1.8;color:#333}

/* Value 矩阵 */
.page-company-vision .value-matrix{margin-top:30px}
.page-company-vision .value-matrix-title{text-align:center;font-weight:bold;font-size:18px;margin-bottom:5px;color:#333}
.page-company-vision .value-matrix-sub{text-align:center;font-size:11px;color:#888;margin-bottom:15px}
.page-company-vision .value-matrix-footer{margin-top:10px}
.page-company-vision .matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.page-company-vision .matrix-item{color:#fff;padding:12px 5px;font-size:11px;text-align:center;display:flex;align-items:center;justify-content:center;min-height:45px;line-height:1.4}
.page-company-vision .matrix-item.bg-light{background:#ff9b9b}
.page-company-vision .matrix-item.bg-solid{background:#f87a7a}

/* 役割や目指す方向 Responsive */
@media (max-width:992px){.page-company-vision .vision-content-flex{flex-direction:column}.page-company-vision .vision-visual-block{width:100%}.page-company-vision .pyramid-box{width:200px;height:170px}.page-company-vision .pyramid-text{font-size:14px}.page-company-vision .txt-mission{top:55px}.page-company-vision .txt-vision{top:95px}.page-company-vision .txt-value{top:140px}.page-company-vision .matrix-grid{grid-template-columns:repeat(2,1fr)}}

/* =========================================
   歴史・沿革 (Company History) Page Styles
   ========================================= */
.page-company-history .history-content{position:relative;padding:60px 0;min-height:800px}

/* 中央红色垂直箭头轴 */
.page-company-history .timeline-line{position:absolute;left:50%;top:40px;bottom:80px;width:40px;transform:translateX(-50%);background:var(--hdc-red);z-index:1}
.page-company-history .timeline-line::after{content:'';position:absolute;bottom:-30px;left:50%;transform:translateX(-50%);border-left:50px solid transparent;border-right:50px solid transparent;border-top:40px solid var(--hdc-red)}

/* 年代区块容器 */
.page-company-history .decade-container{position:relative;width:100%;margin-bottom:60px;display:flex;z-index:2}
.page-company-history .decade-left{justify-content:flex-start;padding-left:5%}
.page-company-history .decade-right{justify-content:flex-end;padding-right:5%}
.page-company-history .decade-content{width:42%}

/* 年份标题 */
.page-company-history .year-title{color:var(--hdc-red);font-size:72px;font-weight:bold;margin:0 0 10px 0;line-height:1}

/* 事件列表 */
.page-company-history .event-list{list-style:none;padding:0;margin:0;font-size:13px;line-height:1.6}
.page-company-history .event-item{display:flex;margin-bottom:6px;padding:4px 8px;border-radius:2px}
.page-company-history .event-date{font-weight:bold;width:70px;flex-shrink:0;color:#333}
.page-company-history .event-desc{flex:1;color:#333}

/* 高亮样式 */
.page-company-history .event-item.highlight{background-color:#fde9e9}

/* 歴史・沿革 Responsive */
@media (max-width:992px){.page-company-history .timeline-line{left:20px;transform:none;width:20px}.page-company-history .timeline-line::after{border-left:25px solid transparent;border-right:25px solid transparent;border-top:20px solid var(--hdc-red)}.page-company-history .decade-container{padding-left:60px!important;padding-right:20px!important;justify-content:flex-start!important}.page-company-history .decade-content{width:100%}.page-company-history .year-title{font-size:48px}}

/* =========================================
   当社の強み (Company Strengths) Page Styles
   ========================================= */
.page-company-strengths .strengths-page-section{width:100%}
.page-company-strengths .st-header{margin-bottom:60px;text-align:left}
.page-company-strengths .st-title{font-size:2.2rem;font-weight:bold;color:#333;line-height:1.2}
.page-company-strengths .st-subtitle{font-size:1.1rem;color:#555;font-family:'Noto Sans JP',sans-serif;font-weight:bold;margin-top:5px;display:block}

.page-company-strengths .st-grid{display:grid;grid-template-columns:1fr 340px 1fr;align-items:stretch;position:relative;gap:20px}
.page-company-strengths .col-side{display:flex;flex-direction:column;justify-content:space-between;position:relative;z-index:10;padding:20px 0}
.page-company-strengths .col-left{text-align:right}
.page-company-strengths .col-right{text-align:left}
.page-company-strengths .item-block-top{margin-bottom:30px}
.page-company-strengths .item-block-bottom{margin-top:30px}

.page-company-strengths .block-title{font-size:42px;font-weight:bold;color:#D31425;line-height:1;font-family:Arial,sans-serif;display:inline-block;border-bottom:3px solid #D31425;padding-bottom:10px;margin-bottom:20px}
.page-company-strengths .st-list{list-style:none;font-size:14px;font-weight:bold;color:#333;line-height:1.8}
.page-company-strengths .st-list li{display:flex;align-items:center;margin-bottom:4px}
.page-company-strengths .col-left .st-list{display:flex;flex-direction:column;align-items:flex-end}
.page-company-strengths .col-left .st-list li{flex-direction:row}

.page-company-strengths .icon-arrow{display:inline-block;font-size:10px;margin:0 8px;letter-spacing:-2px;background:linear-gradient(to right,#ffaaaa,#D31425);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.page-company-strengths .icon-arrow::before{content:"▶▶▶"}
.page-company-strengths .note-text{font-size:11px;color:#666;margin-top:4px;display:block}

/* 中央圆环图形 */
.page-company-strengths .center-graphic{width:340px;height:340px;position:relative;align-self:center}
.page-company-strengths .ring-main{position:absolute;top:0;left:0;width:100%;height:100%;border:55px solid #D31425;border-radius:50%;box-sizing:border-box;z-index:2}
.page-company-strengths .mask-v{position:absolute;left:50%;top:0;width:14px;height:100%;background:#fff;transform:translateX(-50%);z-index:3}
.page-company-strengths .mask-h{position:absolute;top:50%;left:0;width:100%;height:14px;background:#fff;transform:translateY(-50%);z-index:3}
.page-company-strengths .center-hdc{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:160px;height:160px;background:#fff;border-radius:50%;z-index:10;display:flex;justify-content:center;align-items:center;font-size:52px;font-weight:bold;color:#D31425;font-family:"Times New Roman",serif;box-shadow:0 0 0 8px #fff}
.page-company-strengths .ring-num{position:absolute;color:#fff;font-size:38px;font-weight:500;font-family:Arial,sans-serif;z-index:5}
.page-company-strengths .num-1{top:60px;left:60px}
.page-company-strengths .num-2{top:60px;right:60px}
.page-company-strengths .num-3{bottom:60px;left:60px}
.page-company-strengths .num-4{bottom:60px;right:60px}

/* 当社の強み Responsive */
@media (max-width:992px){.page-company-strengths .st-grid{grid-template-columns:1fr;gap:40px}.page-company-strengths .col-left,.page-company-strengths .col-right{text-align:center;align-items:center}.page-company-strengths .col-left .st-list{align-items:center}.page-company-strengths .center-graphic{margin:0 auto}}

/* =========================================
   拠点紹介 (Company Locations) Page Styles
   ========================================= */
.page-company-locations .map-banner{background-color:#ff5a5f;color:#fff;text-align:center;padding:12px 20px;font-size:26px;font-weight:bold;border-radius:4px;margin-bottom:30px}
.page-company-locations .map-banner .banner-number{font-size:42px;margin:0 8px}

/* 地图区域 */
.page-company-locations .map-wrapper{margin-bottom:20px}
.page-company-locations .locations-map{position:relative;width:100%;background:#aad3df;border:1px solid #eee;overflow:hidden}
.page-company-locations .locations-map .map-bg-image{display:block;width:100%;height:auto;-webkit-user-drag:none;user-select:none;pointer-events:none}

/* 地图标记 */
.page-company-locations .map-markers-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}
.page-company-locations .map-marker{position:absolute;cursor:pointer;pointer-events:auto;z-index:10;transform:translate(-50%,-50%)}
.page-company-locations .map-marker .marker-dot{display:block;width:12px;height:12px;border-radius:50%;border:2px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,0.3)}
.page-company-locations .map-marker .marker-label{display:none;position:absolute;left:50%;top:100%;transform:translateX(-50%);white-space:nowrap;background:#fff;padding:2px 6px;font-size:10px;border-radius:2px;box-shadow:0 1px 3px rgba(0,0,0,0.2);margin-top:4px}
.page-company-locations .map-marker:hover .marker-label{display:block}

/* 标记类型样式 */
.page-company-locations .marker-hdc .marker-dot{background:#D31425;border-color:#fff}
.page-company-locations .marker-basell .marker-dot{background:#ddd;border-color:#999}
.page-company-locations .marker-export .marker-dot{background:transparent;border:2px dotted #D31425}

/* 韩国插图 */
.page-company-locations .korea-inset{position:absolute;bottom:20px;right:20px;width:140px;background:rgba(255,255,255,0.95);border:1px solid #eee;padding:10px;font-size:11px;border-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.page-company-locations .korea-title{color:#D31425;font-weight:bold;font-size:13px;margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid #eee}
.page-company-locations .korea-item{margin-bottom:3px;color:#333}

/* 图例 */
.page-company-locations .legend-box{border:1.5px solid #333;display:flex;justify-content:center;align-items:center;gap:30px;padding:12px 20px;max-width:800px;margin:20px auto;font-size:13px;font-weight:bold;flex-wrap:wrap}
.page-company-locations .legend-title{margin-right:10px}
.page-company-locations .legend-item{display:flex;align-items:center;gap:8px}
.page-company-locations .legend-icon{width:40px;height:20px}
.page-company-locations .legend-icon.box-grey{background:#ddd;border:1px solid #ccc}
.page-company-locations .legend-icon.box-red-outline{border:2px solid #D31425;background:transparent}
.page-company-locations .legend-icon.circle-dotted{width:20px;height:20px;border:2px dotted #D31425;border-radius:50%}

/* 拠点列表 */
.page-company-locations .locations-list{margin-top:50px;padding-top:30px;border-top:3px solid #333}
.page-company-locations .location-item{display:flex;gap:30px;padding:30px 0;border-bottom:1px solid #eee;transition:background-color 0.3s}
.page-company-locations .location-item:first-child{padding-top:0}
.page-company-locations .location-item.highlight{background-color:#fff8f8}
.page-company-locations .location-image{width:300px;flex-shrink:0}
.page-company-locations .location-image img{width:100%;height:180px;object-fit:cover;border-radius:4px}
.page-company-locations .location-image-placeholder{width:100%;height:180px;background:#ddd;border-radius:4px}
.page-company-locations .location-info{flex:1}
.page-company-locations .location-title{font-size:22px;font-weight:bold;color:#333;margin-bottom:12px}
.page-company-locations .location-address,.page-company-locations .location-tel{font-size:14px;color:#666;margin-bottom:6px}
.page-company-locations .location-desc{font-size:14px;color:#555;line-height:1.7;margin-top:12px}

/* 拠点紹介 Responsive */
@media (max-width:992px){.page-company-locations .locations-map{height:300px}.page-company-locations .korea-inset{position:relative;bottom:auto;right:auto;width:100%;margin-top:15px}.page-company-locations .legend-box{flex-direction:column;gap:10px}.page-company-locations .location-item{flex-direction:column}.page-company-locations .location-image{width:100%}}

/* =========================================
   導入事例 (Case Studies) Page Styles
   ========================================= */
.page-case-studies .case-categories a{text-align:right}

/* 案例条目 */
.page-case-studies .case-item{margin-bottom:60px}

/* 案例标题栏 */
.page-case-studies .case-header{display:flex;align-items:center;margin-bottom:25px}
.page-case-studies .case-arrows{color:#ff5a5f;font-size:12px;margin-right:10px;letter-spacing:-2px}
.page-case-studies .case-title-small{font-size:16px;font-weight:bold;margin-right:15px;white-space:nowrap;color:#333}
.page-case-studies .case-line{flex-grow:1;height:2px;background:linear-gradient(to right,#ffbabb,#fff)}

/* 案例内容布局 */
.page-case-studies .case-body{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:flex-start}
.page-case-studies .case-image img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:4px}
.page-case-studies .case-img-placeholder{background-color:#d9d9d9;width:100%;aspect-ratio:16/9;border-radius:4px}
.page-case-studies .case-info .case-title{font-size:26px;font-weight:bold;margin-bottom:15px;letter-spacing:1px;color:#333}
.page-case-studies .case-info .case-content{font-size:14px;color:#555;line-height:1.8}
.page-case-studies .case-info .case-content p{margin-bottom:10px}

/* 反转布局（偶数案例） */
.page-case-studies .case-item.reverse .case-body{direction:rtl}
.page-case-studies .case-item.reverse .case-image,.page-case-studies .case-item.reverse .case-info{direction:ltr}

/* 无案例提示 */
.page-case-studies .no-cases{text-align:center;padding:80px 20px;color:#888;font-size:16px}

/* 導入事例 Responsive */
@media (max-width:992px){.page-case-studies .case-body{grid-template-columns:1fr;gap:20px}.page-case-studies .case-item.reverse .case-body{direction:ltr}.page-case-studies .case-info .case-title{font-size:22px}}

/* =========================================
   研究・環境への取り組み Page Styles
   ========================================= */
.page-sustainability .sustainability-tabs{display:flex;gap:15px;margin-bottom:40px;flex-wrap:wrap}
.page-sustainability .tab-btn{padding:12px 30px;border:1px solid #ccc;background:#fff;color:#333;font-weight:bold;font-size:14px;cursor:pointer;transition:all 0.3s;text-decoration:none;border-radius:3px}
.page-sustainability .tab-btn:hover{border-color:#D31425;color:#D31425;opacity:1}
.page-sustainability .tab-btn.active{border-color:#D31425;color:#D31425;background:#fff}

/* Tab Content Area */
.page-sustainability .tab-content-area{margin-top:20px}
.page-sustainability .tab-panel{animation:fadeIn 0.3s ease}

/* Panel Image */
.page-sustainability .panel-image{width:100%;margin-bottom:50px}
.page-sustainability .panel-image img{width:100%;height:400px;object-fit:cover;border-radius:4px}
.page-sustainability .image-placeholder{width:100%;height:400px;background:#ddd;border-radius:4px}

/* Panel Text */
.page-sustainability .panel-text{text-align:center;max-width:800px;margin:0 auto}
.page-sustainability .panel-text h2{font-size:32px;font-weight:bold;letter-spacing:0.2em;margin-bottom:25px;color:#333}
.page-sustainability .panel-content{color:#666;line-height:2;font-size:15px}
.page-sustainability .panel-content p{margin-bottom:15px}

/* Additional Content */
.page-sustainability .page-additional-content{margin-top:60px;padding-top:40px;border-top:1px solid #eee}

/* 研究・環境 Fade Animation */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* 研究・環境への取り組み Responsive */
@media (max-width:992px){.page-sustainability .sustainability-tabs{justify-content:center}.page-sustainability .tab-btn{padding:10px 20px;font-size:13px}.page-sustainability .panel-image img,.page-sustainability .image-placeholder{height:250px}.page-sustainability .panel-text h2{font-size:24px;letter-spacing:0.1em}}

/* =========================================
   お知らせ・資料 Archive Page Styles
   ========================================= */
.page-news-archive .news-container{max-width:1000px;margin:50px auto;padding:0 20px;text-align:center}
.page-news-archive .news-page-title{font-size:32px;font-weight:500;letter-spacing:2px;margin-bottom:40px;color:#333}
.page-news-archive .news-title-line{width:100%;height:1px;background:#ddd;margin:-20px auto 50px}

/* News Grid */
.page-news-archive .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-bottom:50px}
.page-news-archive .news-item{display:block;position:relative;aspect-ratio:1/1;overflow:hidden;border:1px solid #f0f0f0;transition:all 0.3s}
.page-news-archive .news-item:hover{opacity:1;transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,0.1)}
.page-news-archive .news-thumb{width:100%;height:100%;position:absolute;top:0;left:0}
.page-news-archive .news-thumb img{width:100%;height:100%;object-fit:cover}
.page-news-archive .news-thumb.no-image{background:#e0e0e0;display:flex;align-items:center;justify-content:center;color:#999;font-size:14px}
.page-news-archive .news-item-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,0.7));padding:20px 15px 15px;color:#fff;text-align:left}
.page-news-archive .news-date{font-size:12px;opacity:0.9;display:block;margin-bottom:5px}
.page-news-archive .news-item-title{font-size:14px;font-weight:bold;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* No News */
.page-news-archive .no-news{grid-column:1/-1;padding:60px 20px;color:#888;font-size:16px}

/* More Button */
.page-news-archive .news-more-wrap{text-align:center;margin-top:30px}
.page-news-archive .news-more-btn{border:1px solid #999;padding:12px 60px;background:#fff;cursor:pointer;display:inline-flex;align-items:center;gap:15px;font-size:14px;transition:0.3s;font-weight:500}
.page-news-archive .news-more-btn:hover{background:#f9f9f9;border-color:#333}
.page-news-archive .news-more-btn .more-arrow{color:#d32f2f;font-weight:bold;font-size:12px}
.page-news-archive .news-more-btn:disabled{opacity:0.6;cursor:not-allowed}

/* お知らせ Archive Responsive */
@media (max-width:992px){.page-news-archive .news-grid{grid-template-columns:repeat(2,1fr);gap:15px}.page-news-archive .news-page-title{font-size:26px}}
@media (max-width:600px){.page-news-archive .news-grid{grid-template-columns:1fr;gap:20px}.page-news-archive .news-item{aspect-ratio:16/10}}

/* =========================================
   お知らせ・資料 Single Page Styles
   ========================================= */
.page-news-single .news-single-container{max-width:900px;margin:50px auto;padding:0 20px}

/* Header */
.page-news-single .news-header{text-align:center;margin-bottom:50px}
.page-news-single .news-title{font-size:32px;font-weight:500;margin-bottom:15px;line-height:1.4;color:#333}
.page-news-single .news-subtitle{color:#666;font-size:15px;margin-bottom:10px}
.page-news-single .news-meta{margin-bottom:20px}
.page-news-single .news-date{color:#888;font-size:14px}
.page-news-single .news-divider{width:100%;height:1px;background:#ddd}

/* Content */
.page-news-single .news-content{margin-top:40px}
.page-news-single .news-featured-image{margin-bottom:40px}
.page-news-single .news-featured-image img{width:100%;height:auto;border-radius:4px}
.page-news-single .news-body{font-size:15px;color:#444;line-height:2;text-align:justify}
.page-news-single .news-body p{margin-bottom:20px}
.page-news-single .news-body h2,.page-news-single .news-body h3{font-size:22px;font-weight:bold;margin:40px 0 20px;color:#333}
.page-news-single .news-body img{max-width:100%;height:auto;margin:20px 0}
.page-news-single .news-body ul,.page-news-single .news-body ol{margin:20px 0;padding-left:30px}
.page-news-single .news-body li{margin-bottom:10px}

/* Navigation */
.page-news-single .news-navigation{display:flex;justify-content:space-between;align-items:flex-start;margin-top:60px;padding-top:30px;border-top:1px solid #ddd;gap:20px}
.page-news-single .nav-prev,.page-news-single .nav-next{flex:1;max-width:35%}
.page-news-single .nav-prev a,.page-news-single .nav-next a{display:block;color:#555;text-decoration:none;transition:color 0.3s}
.page-news-single .nav-prev a:hover,.page-news-single .nav-next a:hover{color:#d32f2f;opacity:1}
.page-news-single .nav-label{font-size:13px;color:#999;display:block;margin-bottom:5px}
.page-news-single .nav-title{font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.page-news-single .nav-back{flex-shrink:0}
.page-news-single .nav-back a{display:inline-block;padding:10px 30px;border:1px solid #333;color:#333;font-size:14px;transition:all 0.3s}
.page-news-single .nav-back a:hover{background:#333;color:#fff;opacity:1}
.page-news-single .nav-next{text-align:right}

/* Back to Top */
.page-news-single .back-to-top{position:fixed;bottom:40px;right:40px;background:#d32f2f;color:#fff;width:60px;height:60px;border-radius:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,0.2);transition:all 0.3s;z-index:100}
.page-news-single .back-to-top:hover{background:#b71c1c;transform:translateY(-3px)}
.page-news-single .top-arrow{font-size:18px;line-height:1}
.page-news-single .top-text{font-size:10px;margin-top:2px}

/* お知らせ Single Responsive */
@media (max-width:992px){.page-news-single .news-title{font-size:26px}.page-news-single .news-navigation{flex-direction:column;align-items:center;gap:30px}.page-news-single .nav-prev,.page-news-single .nav-next{max-width:100%;width:100%;text-align:center}.page-news-single .nav-next{text-align:center}.page-news-single .back-to-top{bottom:20px;right:20px;width:50px;height:50px}}

/* お問い合わせ ページ */
.page-contact .contact-wrap{background:#f7f7f7;padding:60px 20px 80px}
.page-contact .contact-inner{max-width:880px;margin:0 auto}
.page-contact .contact-header{text-align:center;margin-bottom:50px}
.page-contact .contact-title-jp{font-size:32px;font-weight:700;color:#222;margin-bottom:8px}
.page-contact .contact-title-en{font-size:14px;color:var(--hdc-red);letter-spacing:2px;text-transform:uppercase;margin-bottom:24px}
.page-contact .contact-lead{font-size:15px;color:#555;line-height:1.8}
.page-contact .contact-form-wrap{background:#fff;padding:50px 60px;border-radius:6px;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.page-contact .wpcf7-form p{margin-bottom:20px;font-size:14px;color:#333}
.page-contact .wpcf7-form label{display:block;font-weight:600;margin-bottom:6px;color:#222}
.page-contact .wpcf7-form input[type=text],.page-contact .wpcf7-form input[type=email],.page-contact .wpcf7-form input[type=tel],.page-contact .wpcf7-form input[type=url],.page-contact .wpcf7-form input[type=number],.page-contact .wpcf7-form select,.page-contact .wpcf7-form textarea{width:100%;padding:12px 14px;border:1px solid #ddd;border-radius:4px;font-size:14px;font-family:inherit;background:#fff;transition:border-color .2s,box-shadow .2s}
.page-contact .wpcf7-form input:focus,.page-contact .wpcf7-form select:focus,.page-contact .wpcf7-form textarea:focus{outline:none;border-color:var(--hdc-red);box-shadow:0 0 0 3px rgba(230,0,18,.08)}
.page-contact .wpcf7-form textarea{min-height:160px;resize:vertical}
.page-contact .wpcf7-form .wpcf7-submit{display:inline-block;background:var(--hdc-red);color:#fff;border:none;padding:14px 50px;font-size:15px;font-weight:600;border-radius:4px;cursor:pointer;transition:background .2s,transform .2s;letter-spacing:1px}
.page-contact .wpcf7-form .wpcf7-submit:hover{background:#b71c1c;transform:translateY(-1px)}
.page-contact .wpcf7-form .wpcf7-list-item{margin:0 12px 0 0}
.page-contact .wpcf7-not-valid-tip{color:var(--hdc-red);font-size:12px;margin-top:4px}
.page-contact .wpcf7 form .wpcf7-response-output{margin:20px 0 0;padding:12px 16px;border-radius:4px;font-size:14px}
@media (max-width:768px){.page-contact .contact-form-wrap{padding:30px 20px}.page-contact .contact-title-jp{font-size:24px}}