/*
Theme Name: Taiyo-kg 2026
Theme URI: https://www.taiyo-kg.co.jp/
Author: First Step Co., Ltd.
Description: 大旺工業株式会社 コーポレートサイト テーマ(2026リニューアル)。板金→曲げ→溶接→塗装→組立→配線の一貫対応を、設備写真と品質の仕組みで見せる。
Version: 0.1.0
Requires at least: 6.4
Requires PHP: 7.4
License: Proprietary
Text Domain: taiyo-kg
*/

/* ============ Tokens ============ */
:root{
  --navy:#16283f; --navy-2:#1f3a5c; --navy-3:#0d1a2b;
  --gold:#c4922e; --gold-2:#e0b25a;
  --ink:#22272e; --ink-2:#5b6470; --ink-3:#8a929c;
  --paper:#ffffff; --paper-2:#f5f6f8; --paper-3:#e9ecf0; --line:#d8dde3;
  --steel:#a9b4bf;
  --max:1180px; --gutter:20px;
  --r:6px; --shadow:0 8px 30px rgba(13,26,43,.10);
  --sans:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic Medium","Meiryo",system-ui,sans-serif;
  --en:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.9;letter-spacing:.04em;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.4;font-weight:700;color:var(--navy)}
table{border-collapse:collapse;width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--gray{background:var(--paper-2)}
.section--navy{background:var(--navy);color:#fff}
.section--navy h2,.section--navy h3{color:#fff}
.eyebrow{font-family:var(--en);font-size:.72rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.section--navy .eyebrow{color:var(--gold-2)}
.h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px}
.lead{color:var(--ink-2);max-width:720px}
.section--navy .lead{color:#cfd7e0}
.center{text-align:center}.center .lead{margin:0 auto}
.mt-2{margin-top:32px}.mt-3{margin-top:48px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:var(--r);font-weight:700;font-size:.95rem;border:2px solid transparent;transition:.25s;line-height:1.2}
.btn--gold{background:var(--gold);color:#fff}.btn--gold:hover{background:#a97b22}
.btn--navy{background:var(--navy);color:#fff}.btn--navy:hover{background:var(--navy-2)}
.btn--ghost{border-color:#fff;color:#fff}.btn--ghost:hover{background:#fff;color:var(--navy)}
.btn--line{border-color:var(--navy);color:var(--navy)}.btn--line:hover{background:var(--navy);color:#fff}
.btn::after{content:"→";font-family:var(--en);transition:transform .25s}
.btn:hover::after{transform:translateX(4px)}
.btn--plain::after{content:none}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-header__inner{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);height:76px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand__mark{width:38px;height:38px;border-radius:8px;background:var(--navy);display:grid;place-items:center;color:var(--gold-2);font-family:var(--en);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand__name{font-weight:700;font-size:1.05rem;color:var(--navy);line-height:1.15;white-space:nowrap}
.brand__name small{display:block;font-family:var(--en);font-size:.62rem;letter-spacing:.14em;color:var(--ink-3);font-weight:600}
.gnav ul{display:flex;gap:0}
.gnav a{display:block;padding:10px 10px;font-size:.88rem;font-weight:500;color:var(--ink);position:relative;white-space:nowrap}
.gnav a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--gold);transform:scaleX(0);transition:.25s;transform-origin:left}
.gnav a:hover::after,.gnav .current-menu-item a::after,.gnav .current_page_item a::after{transform:scaleX(1)}
.hdr-tel{text-align:right;line-height:1.2;font-family:var(--en)}
.hdr-tel span{display:block;font-family:var(--sans);font-size:.68rem;color:var(--ink-3)}
.hdr-tel strong{font-size:1.05rem;color:var(--navy)}
.hdr-cta{padding:11px 16px;font-size:.85rem;white-space:nowrap}
@media (max-width:1240px){.hdr-tel{display:none}}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{display:block;width:24px;height:2px;background:var(--navy);transition:.25s}
.mnav{display:none}
@media (max-width:1023px){
  .gnav,.hdr-tel,.hdr-cta{display:none}
  .burger{display:flex}
  body.nav-open .burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  body.nav-open .burger span:nth-child(2){opacity:0}
  body.nav-open .burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .mnav{position:fixed;inset:76px 0 0 0;background:var(--navy);color:#fff;padding:24px var(--gutter);z-index:49;overflow:auto}
  body.nav-open .mnav{display:block}
  .mnav a{display:block;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.12);font-size:1.05rem;font-weight:500}
  .mnav .mnav__tel{margin-top:24px;font-family:var(--en);font-size:1.3rem;color:var(--gold-2)}
  .mnav .mnav__tel small{display:block;font-family:var(--sans);font-size:.75rem;color:#cfd7e0}
}

/* ============ Hero (front) ============ */
.hero{position:relative;min-height:min(78vh,720px);display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-3)}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(13,26,43,.88) 0%,rgba(13,26,43,.62) 45%,rgba(13,26,43,.25) 100%)}
.hero__inner{position:relative;max-width:var(--max);margin:0 auto;padding:96px var(--gutter) 120px;width:100%}
.hero__eyebrow{font-family:var(--en);letter-spacing:.3em;font-size:.75rem;color:var(--gold-2);font-weight:600;display:flex;align-items:center;gap:14px;margin-bottom:22px}
.hero__eyebrow::before{content:"";width:40px;height:1px;background:var(--gold-2)}
.hero h1{color:#fff;font-size:clamp(1.9rem,4.4vw,3.3rem);line-height:1.3;letter-spacing:.01em;margin-bottom:22px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero h1 em{font-style:normal;color:var(--gold-2)}
.hero p{font-size:clamp(.98rem,1.4vw,1.15rem);max-width:640px;color:#e3e8ee;margin-bottom:34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__bar{position:absolute;left:0;right:0;bottom:0;background:rgba(13,26,43,.72);backdrop-filter:blur(6px);border-top:1px solid rgba(255,255,255,.14)}
.hero__bar-inner{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);display:grid;grid-template-columns:repeat(4,1fr)}
.hero__stat{padding:18px 10px;border-right:1px solid rgba(255,255,255,.12);text-align:center}
.hero__stat:last-child{border-right:0}
.hero__stat b{display:block;font-family:var(--en);font-size:1.6rem;color:#fff;line-height:1.1}
.hero__stat b small{font-family:var(--sans);font-size:.8rem;color:var(--gold-2);margin-left:3px}
.hero__stat span{font-size:.74rem;color:#c2cbd5}
@media (max-width:767px){.hero__inner{padding:72px var(--gutter) 150px}.hero__bar-inner{grid-template-columns:repeat(2,1fr)}.hero__stat:nth-child(2){border-right:0}.hero__stat{border-bottom:1px solid rgba(255,255,255,.12)}.hero__stat:nth-child(n+3){border-bottom:0}}

/* ============ Value trio ============ */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.trio__item{position:relative;padding:34px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.trio__num{font-family:var(--en);font-size:2.2rem;font-weight:800;color:var(--paper-3);line-height:1;position:absolute;top:18px;right:22px}
.trio__item h3{font-size:1.15rem;margin-bottom:10px;padding-left:16px;border-left:3px solid var(--gold)}
.trio__item p{color:var(--ink-2);font-size:.95rem}
@media (max-width:900px){.trio{grid-template-columns:1fr}}

/* ============ Feature split (image + text) ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split--rev .split__media{order:2}
.split__media{position:relative}
.split__media img{border-radius:var(--r);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.split__media .tag{position:absolute;left:16px;bottom:16px;background:var(--navy);color:#fff;font-size:.75rem;padding:6px 12px;border-radius:3px;letter-spacing:.06em}
.split__body .h2{margin-bottom:16px}
.checks{margin:22px 0 28px;display:grid;gap:10px}
.checks li{position:relative;padding-left:30px;color:var(--ink);font-size:.98rem}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--gold);}
.checks li::after{content:"";position:absolute;left:6px;top:.45em;margin-top:5px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:28px}.split--rev .split__media{order:0}}

/* ============ Process flow ============ */
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:step}
.flow li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 12px 18px;text-align:center}
.flow li::before{counter-increment:step;content:"0" counter(step);font-family:var(--en);font-weight:700;color:var(--gold);font-size:.8rem;letter-spacing:.1em;display:block;margin-bottom:6px}
.flow li b{display:block;font-size:1rem;color:var(--navy)}
.flow li span{display:block;font-size:.75rem;color:var(--ink-3);margin-top:4px}
.flow li:not(:last-child)::after{content:"";position:absolute;right:-9px;top:50%;width:0;height:0;border:6px solid transparent;border-left-color:var(--gold);transform:translateY(-50%);z-index:1}
@media (max-width:900px){.flow{grid-template-columns:repeat(3,1fr)}.flow li:nth-child(3)::after{display:none}}
@media (max-width:480px){.flow{grid-template-columns:repeat(2,1fr)}.flow li:nth-child(3)::after{display:block}.flow li:nth-child(even)::after{display:none}}

/* ============ Equipment cards ============ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card__body{padding:20px 22px 24px}
.card__body h3{font-size:1.05rem;margin-bottom:6px}
.card__body .spec{font-family:var(--en);font-size:.72rem;letter-spacing:.08em;color:var(--gold);font-weight:600;margin-bottom:8px}
.card__body p{font-size:.9rem;color:var(--ink-2)}
@media (max-width:900px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.cards{grid-template-columns:1fr}}

/* ============ Fields (対応分野) ============ */
.fields{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fields li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:22px 18px}
.fields b{display:block;color:#fff;font-size:1.02rem;margin-bottom:4px}
.fields span{font-size:.82rem;color:#b8c3cf}
@media (max-width:900px){.fields{grid-template-columns:repeat(2,1fr)}}

/* ============ Recruit band ============ */
.band{position:relative;color:#fff;overflow:hidden;background:var(--navy-3)}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38}
.band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,26,43,.9) 0%,rgba(13,26,43,.55) 55%,rgba(13,26,43,.2) 100%);z-index:1}
.band__inner{z-index:2}
.band__inner{position:relative;max-width:var(--max);margin:0 auto;padding:84px var(--gutter);display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.band h2{color:#fff}
.band p{color:#d5dce4}
.band__points{display:grid;gap:8px;margin:18px 0 26px}
.band__points li{padding-left:18px;position:relative;color:#eef2f6}
.band__points li::before{content:"";position:absolute;left:0;top:.75em;width:8px;height:8px;background:var(--gold-2);transform:rotate(45deg)}
@media (max-width:900px){.band__inner{grid-template-columns:1fr}}

/* ============ Contact CTA ============ */
.cta{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:72px 0}
.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:1.5rem;margin-bottom:6px}
.cta p{color:#cdd6e0}
.cta__tel{font-family:var(--en);font-size:2rem;font-weight:700;line-height:1.1}
.cta__tel small{display:block;font-family:var(--sans);font-size:.75rem;color:#cdd6e0;font-weight:400;margin-top:4px}
.cta__actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}

/* ============ Page hero (sub pages) ============ */
.page-hero{position:relative;background:var(--navy-3);color:#fff;overflow:hidden}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,26,43,.82),rgba(13,26,43,.25))}
.page-hero__inner{position:relative;max-width:var(--max);margin:0 auto;padding:78px var(--gutter) 70px}
.page-hero .eyebrow{color:var(--gold-2)}
.page-hero h1{color:#fff;font-size:clamp(1.7rem,3.4vw,2.5rem)}
.page-hero p{color:#d5dce4;margin-top:10px;max-width:640px}
.crumbs{font-size:.78rem;color:var(--ink-3);padding:14px 0;border-bottom:1px solid var(--line)}
.crumbs a:hover{color:var(--navy)}
.crumbs span{margin:0 8px}

/* ============ Page content (block editor) ============ */
.entry{max-width:var(--max);margin:0 auto;padding:64px var(--gutter) 88px}
.entry h2{font-size:1.5rem;margin:56px 0 18px;padding-bottom:12px;border-bottom:2px solid var(--paper-3);position:relative}
.entry h2::after{content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--gold)}
.entry h2:first-child{margin-top:0}
.entry h3{font-size:1.15rem;margin:32px 0 10px;padding-left:14px;border-left:3px solid var(--gold)}
.entry h4{font-size:1rem;margin:22px 0 8px;color:var(--navy-2)}
.entry p{margin-bottom:1.1em}
.entry ul,.entry ol{margin:0 0 1.2em 1.4em}
.entry ul{list-style:disc}.entry ol{list-style:decimal}
.entry figure{margin:24px 0}
.entry figcaption{font-size:.78rem;color:var(--ink-3);margin-top:6px}
.entry img{border-radius:var(--r)}
.entry table{font-size:.9rem;margin:14px 0 28px;background:#fff}
.entry th,.entry td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.entry th{background:var(--paper-2);color:var(--navy);font-weight:700;white-space:nowrap}
.entry .wp-block-table{overflow-x:auto}
.entry .wp-block-columns{gap:32px}
.entry .wp-block-gallery{gap:14px}
.entry .wp-block-buttons .wp-block-button__link{background:var(--navy);border-radius:var(--r);padding:12px 24px}
.entry .lead{font-size:1.05rem}
.entry .kv{display:grid;grid-template-columns:200px 1fr;border-top:1px solid var(--line)}
.entry .kv dt,.entry .kv dd{padding:14px 10px;border-bottom:1px solid var(--line)}
.entry .kv dt{font-weight:700;color:var(--navy);background:var(--paper-2)}
.entry ul.timeline,.entry ul.machine-list{list-style:none;margin-left:0}
.entry .timeline{border-left:2px solid var(--paper-3);margin-left:8px;padding-left:26px}
.entry .timeline li{position:relative;padding-bottom:18px}
.entry .timeline li::before{content:"";position:absolute;left:-33px;top:.55em;width:12px;height:12px;border-radius:50%;background:var(--gold);border:3px solid #fff;box-shadow:0 0 0 2px var(--gold)}
.entry .timeline b{font-family:var(--en);color:var(--navy);margin-right:10px}
.entry .note{background:var(--paper-2);border-left:4px solid var(--gold);padding:16px 20px;border-radius:0 var(--r) var(--r) 0;font-size:.92rem;margin:20px 0}
.entry .grid2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.entry .grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.entry .photo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 28px}
.entry .photo-row img{aspect-ratio:3/2;object-fit:cover;width:100%}
.entry .site-card{border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;background:#fff}
.entry .site-card b{display:block;color:var(--navy);font-size:1.02rem;margin-bottom:4px}
.entry .site-card span{font-size:.9rem;color:var(--ink-2);display:block}
.entry .machine-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:18px 0 8px}
.entry .machine-list li{background:var(--paper-2);border-radius:var(--r);padding:16px 18px}
.entry .machine-list b{display:block;color:var(--navy)}
.entry .machine-list span{font-size:.85rem;color:var(--ink-2)}
@media (max-width:767px){.entry .kv{grid-template-columns:1fr}.entry .kv dt{border-bottom:0;padding-bottom:4px}.entry .grid2,.entry .grid3,.entry .machine-list{grid-template-columns:1fr}.entry .photo-row{grid-template-columns:1fr 1fr}}

/* ============ Contact form ============ */
.form{max-width:760px}
.form label{display:block;font-weight:700;font-size:.92rem;margin:18px 0 6px;color:var(--navy)}
.form label .req{font-size:.7rem;color:#fff;background:#b23b3b;padding:2px 6px;border-radius:3px;margin-left:8px;vertical-align:middle}
.form input[type=text],.form input[type=email],.form input[type=tel],.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r);font:inherit;background:#fff}
.form textarea{min-height:180px}
.form .wpcf7-submit,.form button{margin-top:26px;background:var(--navy);color:#fff;border:0;padding:14px 40px;border-radius:var(--r);font:inherit;font-weight:700;cursor:pointer}
.offices{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:40px}
.office{border:1px solid var(--line);border-radius:var(--r);padding:26px 28px;background:#fff}
.office .eyebrow{margin-bottom:4px}
.office b{display:block;font-size:1.1rem;color:var(--navy)}
.office .tel{font-family:var(--en);font-size:1.6rem;font-weight:700;color:var(--navy);margin:6px 0 4px;display:block}
.office span{display:block;font-size:.9rem;color:var(--ink-2)}
@media (max-width:767px){.offices{grid-template-columns:1fr}}

/* ============ Footer ============ */
.site-footer{background:var(--navy-3);color:#c9d2dc;padding:64px 0 0;font-size:.9rem}
.site-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.site-footer .brand__name{color:#fff}.site-footer .brand__name small{color:#8e9bab}
.site-footer address{font-style:normal;margin-top:18px;line-height:1.9}
.site-footer address strong{color:#fff}
.site-footer h4{color:#fff;font-size:.9rem;margin-bottom:12px;letter-spacing:.06em}
.site-footer li a{display:block;padding:4px 0;color:#c9d2dc}
.site-footer li a:hover{color:var(--gold-2)}
.site-footer__bottom{margin-top:48px;padding:18px 0;border-top:1px solid rgba(255,255,255,.1);font-size:.75rem;color:#8e9bab;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:900px){.site-footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.site-footer__grid{grid-template-columns:1fr}}

/* ============ Motion ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}