/*
Theme Name: Sanada 2026
Theme URI: https://www.sanada.co.jp/
Author: SANADA KIKAI CO., LTD.
Description: 真田機械株式会社 2026年版デザインのテーマ。各ページの中身は投稿メタ「_s26_html」に入れ、空のページは通常の本文を表示する。
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
Text Domain: sanada-2026
*/
/* 真田機械 リデザイン デモ（ローカル確認用） */
:root{
  --ink:#16181B; --ink-2:#33373C; --muted:#4A4F56; --muted-2:#5A5F66;
  --ground:#F3F3F1; --ground-2:#E9E9E5; --line:#DDDDD8; --line-2:#ECECE8;
  --dark:#16181B; --dark-2:#2A2E33; --dark-line:#33383E; --on-dark:#F3F3F1; --on-dark-2:#D5D7DA; --on-dark-3:#B9BCC0;
  --accent:#C8102E; --accent-ink:#A50D26; --accent-tint:#FBEDEF;
  --sans:'Zen Kaku Gothic New','Hiragino Sans','Yu Gothic',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--ground);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--ink)}a:hover{color:var(--accent-ink)}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.18em;color:var(--accent)}
.on-dark .eyebrow{color:var(--on-dark-3)}
h1,h2,h3{margin:0}
.h2{font-size:clamp(28px,3.4vw,40px);font-weight:900;line-height:1.35}
.lead{margin:0;max-width:46em;font-size:16px;line-height:1.9;color:var(--muted)}
.sec{padding:96px 0}
.sec-head{display:flex;flex-direction:column;gap:12px;margin-bottom:36px}
.bg-2{background:var(--ground-2)}
.bg-white{background:#fff}
.on-dark{background:var(--dark);color:var(--on-dark)}
.on-dark .lead{color:var(--on-dark-2)}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(243,243,241,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:28px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:baseline;gap:12px;text-decoration:none;color:var(--ink)}
.logo b{font-size:26px;font-weight:900;letter-spacing:.08em;color:var(--accent)}
.logo span{font-size:13px;font-weight:500;letter-spacing:.1em;white-space:nowrap}
.nav{display:flex;gap:20px;font-size:14px;font-weight:500;flex-grow:1;justify-content:center}
.nav a{white-space:nowrap;text-decoration:none;color:var(--ink);padding:10px 2px;border-bottom:2px solid transparent;transition:border-color .2s,color .2s}
.nav a:hover,.nav a[aria-current=page]{color:var(--accent-ink);border-bottom-color:var(--accent)}
.hdr-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;text-decoration:none;font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .2s,transform .2s,color .2s}
.btn:hover{transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{color:#fff;background:#000}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{color:#fff;background:var(--accent-ink)}
.btn-white{background:#fff;color:var(--ink)}.btn-white:hover{color:var(--ink)}
.btn-ghost{color:var(--on-dark);border-color:#5B6067;background:transparent}.btn-ghost:hover{color:#fff;border-color:#fff}
.btn-sm{min-height:44px;padding:12px 20px;font-size:14px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:12px;width:48px;height:48px;cursor:pointer}
.drawer{display:none}
@media (max-width:1180px){
  .nav{display:none}.menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .drawer.open{display:flex;flex-direction:column;gap:4px;padding:8px 24px 20px;border-top:1px solid var(--line)}
  .drawer a{padding:14px 0;text-decoration:none;font-weight:700;border-bottom:1px solid var(--line-2)}
}

@media (max-width:640px){.hdr-cta .btn-dark{display:none}.logo span{display:none}}

/* hero (top) */
.hero{position:relative;min-height:min(86vh,760px);display:flex;align-items:center;overflow:hidden;color:var(--on-dark);background:#0E0F11}
.hero-video{position:absolute;inset:0;pointer-events:none}
.hero-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#0E0F11}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,15,17,.86) 0%,rgba(14,15,17,.55) 55%,rgba(14,15,17,.25) 100%)}
.hero .wrap{position:relative;z-index:1;display:flex;flex-direction:column;gap:28px;padding-top:96px;padding-bottom:104px;width:100%}
.hero h1{font-size:clamp(44px,6.4vw,84px);line-height:1.1;font-weight:900;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{margin:0;max-width:34em;font-size:17px;line-height:1.9;color:var(--on-dark-2)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.video-toggle{position:absolute;right:24px;bottom:24px;z-index:2;display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;color:var(--on-dark-2);background:rgba(14,15,17,.7);border:1px solid #3A3F45;border-radius:999px;padding:0 16px;min-height:44px;cursor:pointer}

/* page hero (sub) */
.phero{background:var(--dark);color:var(--on-dark);position:relative;overflow:hidden}
.phero .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.phero .wrap{position:relative;padding-top:72px;padding-bottom:28px;display:flex;flex-direction:column;gap:20px}
.crumb{font-family:var(--mono);font-size:13px;letter-spacing:.12em;color:var(--on-dark-3)}
.crumb a{color:var(--on-dark-3);text-decoration:none}
.phero h1{font-size:clamp(36px,4.6vw,56px);font-weight:900}
.phero p{margin:0;max-width:40em;font-size:17px;line-height:1.9;color:var(--on-dark-2)}
.subnav{display:flex;gap:4px;flex-wrap:wrap;margin-top:28px;font-size:14px;font-weight:700}
.subnav a{text-decoration:none;color:var(--on-dark-2);padding:12px 16px;border-radius:999px;transition:background .2s,color .2s}
.subnav a:hover,.subnav a.active{background:var(--dark-2);color:#fff}

/* cards & grids */
.grid{display:grid;gap:16px}
.g-auto-200{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g-auto-260{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g-auto-300{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g-fill-260{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
@media (max-width:860px){.two{grid-template-columns:minmax(0,1fr)}}
.card{background:#fff;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(22,24,27,.12)}
.card .ph{aspect-ratio:4/3;background:#E2E2DD;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .ph img{transform:scale(1.04)}
.card .ph.contain img{object-fit:contain;padding:12px;background:#fff}
.card .bd{padding:22px 24px;display:flex;flex-direction:column;gap:10px}
.card .t{font-size:18px;font-weight:700;line-height:1.5}
.card .d{font-size:15px;line-height:1.8;color:var(--muted)}
.card.pad{padding:28px;gap:12px}
.tag{font-family:var(--mono);font-size:12px;padding:5px 10px;border-radius:6px;background:var(--ink);color:#fff}
.tag.light{font-family:var(--sans);background:var(--ground);color:var(--ink)}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{font-size:14px;font-weight:500;padding:10px 16px;border-radius:999px;background:var(--ground);border:1px solid var(--line)}

/* pills / toggles */
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-family:inherit;font-size:14px;font-weight:700;min-height:44px;padding:12px 20px;border-radius:999px;cursor:pointer;border:1px solid #CFCFC9;background:#fff;color:var(--ink);transition:background .2s,color .2s,border-color .2s}
.pill:hover{border-color:var(--ink)}
.pill[aria-pressed=true],.pill[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.pill .n{font-family:var(--mono);margin-left:8px;opacity:.7}
.seg{display:inline-flex;gap:6px;background:var(--dark-2);padding:6px;border-radius:999px;flex-wrap:wrap}
.seg button{font-family:inherit;font-size:14px;font-weight:700;min-height:44px;padding:10px 20px;border-radius:999px;border:none;cursor:pointer;background:transparent;color:var(--on-dark-2)}
.seg button[aria-pressed=true]{background:var(--on-dark);color:var(--ink)}

/* tables */
.dl{background:#fff;border-radius:16px;overflow:hidden}
.dl .r{display:grid;grid-template-columns:minmax(120px,.3fr) minmax(0,1fr);gap:24px;padding:20px 32px;border-bottom:1px solid var(--line-2);font-size:15px;line-height:1.8}
.dl .r:last-child{border-bottom:0}
.dl .k{font-weight:700;color:var(--muted-2)}
@media (max-width:640px){.dl .r{grid-template-columns:minmax(0,1fr);gap:4px;padding:16px 20px}}
.tbl{border:1px solid #E2E2DD;border-radius:16px;overflow:auto;background:#fff}
.tbl table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:14px;min-width:640px}
.tbl th{background:var(--ink);color:var(--on-dark);font-family:var(--sans);font-size:13px;font-weight:700;text-align:left;padding:14px 20px}
.tbl td{padding:14px 20px;border-top:1px solid var(--line-2)}
.tbl tr:hover td{background:#F7F7F5}
.tbl tr.hl td{background:var(--accent-tint)}
.badge{font-family:var(--sans);font-size:12px;font-weight:700;color:#fff;background:var(--accent);border-radius:999px;padding:3px 10px;margin-left:10px}

/* movie */
.movie{border-radius:20px;overflow:hidden;background:#000;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.movie video{display:block;width:100%;aspect-ratio:16/9;background:#000}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));background:var(--dark);color:var(--on-dark);border-radius:16px;overflow:hidden}
.stats>div{padding:32px;display:flex;flex-direction:column;gap:8px;border-right:1px solid var(--dark-2)}
.stats>div:last-child{border-right:0}
.stats .v{font-family:var(--mono);font-size:44px;font-weight:500;line-height:1}
.stats .v small{font-size:20px}
.stats .l{font-size:14px;color:var(--on-dark-3)}

/* tabs panel (top) */
.panel{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);background:#fff;border-radius:20px;overflow:hidden;border:1px solid #E2E2DD}
.panel .txt{padding:48px;display:flex;flex-direction:column;gap:20px}
.panel .no{font-family:var(--mono);font-size:64px;font-weight:500;line-height:1;color:var(--line)}
.panel h3{font-size:30px;font-weight:900}
.panel ul{list-style:none;margin:0;padding:0}
.panel li{display:flex;gap:14px;align-items:baseline;padding:14px 0;border-top:1px solid #E2E2DD;font-size:16px;font-weight:500}
.panel li::before{content:"";width:8px;height:8px;flex-shrink:0;background:var(--accent);border-radius:2px;transform:translateY(-2px)}
.panel .img{background:#E2E2DD;min-height:420px;position:relative;overflow:hidden}
.panel .img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .35s ease}
.link-u{align-self:flex-start;font-weight:700;font-size:15px;padding:12px 0;text-decoration:none;border-bottom:2px solid var(--accent)}
@media (max-width:860px){.panel{grid-template-columns:minmax(0,1fr)}.panel .img{min-height:260px}.panel .txt{padding:32px}}

/* news */
.news a{display:flex;gap:32px;flex-wrap:wrap;padding:24px 16px;border-bottom:1px solid #D5D5CF;text-decoration:none;transition:background .2s}
.news a:hover{background:#fff}
.news time{font-family:var(--mono);font-size:14px;color:var(--muted-2);min-width:110px}
.news span{font-size:16px;font-weight:500}

/* bands */
.band{background:var(--accent);color:#fff}
.band .wrap{padding-top:56px;padding-bottom:56px;display:flex;flex-wrap:wrap;gap:24px;align-items:center}
.band h2{font-size:28px;font-weight:900;flex-grow:1}

/* footer */
.ftr{background:#0E0F11;color:var(--on-dark-3);font-size:14px;line-height:1.8}
.ftr .wrap{padding-top:56px;padding-bottom:40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.ftr b{color:var(--on-dark);font-weight:700}
.ftr a{color:var(--on-dark-3)}
.ftr .copy{font-family:var(--mono);font-size:12px;color:#8A8F96;padding-bottom:32px}

/* timeline */
.tl{border-left:2px solid var(--ink);margin-left:8px}
.tl .i{display:grid;grid-template-columns:140px minmax(0,1fr);gap:24px;padding:22px 24px;position:relative;border-radius:0 12px 12px 0;transition:background .2s}
.tl .i:hover{background:#fff}
.tl .i::before{content:"";position:absolute;left:-7px;top:31px;width:12px;height:12px;border-radius:50%;background:var(--accent)}
.tl .y{font-family:var(--mono);font-size:20px;font-weight:500}
.tl .t{font-size:16px;line-height:1.9}
@media (max-width:640px){.tl .i{grid-template-columns:minmax(0,1fr);gap:4px}}

/* gallery lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(14,15,17,.92);display:none;align-items:center;justify-content:center;padding:40px}
.lb.open{display:flex}
.lb img{max-height:82vh;max-width:min(1100px,92vw);border-radius:12px;background:#fff}
.lb figcaption{color:#fff;text-align:center;margin-top:14px;font-weight:700}
.lb button{position:absolute;top:20px;right:20px;width:48px;height:48px;border-radius:50%;border:1px solid #5B6067;background:transparent;color:#fff;font-size:22px;cursor:pointer}
.zoomable{cursor:zoom-in}

/* reveal */
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}html{scroll-behavior:auto}}

/* forms */
.field{display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:700}
.field .req{color:var(--accent-ink);font-size:12px;margin-left:6px}
.field input,.field textarea{font-family:inherit;font-size:16px;padding:14px 16px;border:1px solid #CFCFC9;border-radius:12px;background:#F7F7F5;font-weight:400}
.field textarea{line-height:1.7;resize:vertical}
input:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.alert{font-size:14px;color:var(--accent-ink);background:var(--accent-tint);border-radius:10px;padding:12px 16px}

/* ---- WordPress 用の追加 ---- */
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;padding:12px 16px;border-radius:8px}
.skip:focus{left:8px}
body.admin-bar .hdr{top:32px}
@media (max-width:782px){body.admin-bar .hdr{top:46px}}
.entry{font-size:16px;line-height:1.9;color:var(--ink-2)}
.entry > * + *{margin-top:1.2em}
.entry h2{font-size:28px;font-weight:900;margin-top:2em;color:var(--ink)}
.entry h3{font-size:21px;font-weight:700;margin-top:1.6em;color:var(--ink)}
.entry img{height:auto;border-radius:12px}
.entry table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
.entry th,.entry td{padding:14px 18px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
.entry th{background:#F7F7F5;width:28%}
.entry a{color:var(--accent-ink)}
.entry .wp-block-video video{width:100%;border-radius:12px;background:#000}
.post-nav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:32px;margin-top:48px;border-top:1px solid var(--line)}
.post-nav a{text-decoration:none;font-weight:700}
.pager{margin-top:32px}
.pager .nav-links{display:flex;gap:8px;flex-wrap:wrap}
.pager .page-numbers{display:inline-flex;min-width:44px;min-height:44px;align-items:center;justify-content:center;padding:0 14px;border-radius:999px;border:1px solid #CFCFC9;background:#fff;text-decoration:none;font-weight:700}
.pager .page-numbers.current{background:var(--ink);color:#fff;border-color:var(--ink)}
.s26-lock{padding:40px;gap:18px}
.ftr .sns{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;color:#F3F3F1;font-weight:700}
.ftr .sns:hover{color:#fff}
.ftr .sns svg{flex-shrink:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Contact Form 7 */
.s26-form .wpcf7 form{display:flex;flex-direction:column;gap:18px}
.s26-form table,.s26-form tbody,.s26-form tr,.s26-form th,.s26-form td{display:block;width:100%;border:0;background:none;padding:0}
.s26-form tr{margin-bottom:18px}
.s26-form th{font-size:14px;font-weight:700;margin-bottom:8px;text-align:left}
.s26-form .text-danger{color:var(--accent-ink);font-size:12px;margin-left:6px}
.s26-form input[type=text],.s26-form input[type=email],.s26-form input[type=tel],.s26-form textarea,.s26-form select{width:100%;font-family:inherit;font-size:16px;padding:14px 16px;border:1px solid #CFCFC9;border-radius:12px;background:#F7F7F5}
.s26-form textarea{line-height:1.7;min-height:180px}
.s26-form input[type=file]{width:100%;font-family:inherit;font-size:15px;padding:10px;border:1px dashed #B9BCC0;border-radius:12px;background:#F7F7F5;margin-bottom:8px}
.s26-form input[type=file]::file-selector-button{font-family:inherit;font-weight:700;font-size:14px;margin-right:14px;padding:10px 18px;border:0;border-radius:999px;background:var(--ink);color:#fff;cursor:pointer}
.s26-form td small{display:block;font-size:13px;color:var(--muted-2);margin-top:4px}
.s26-form .wpcf7-list-item{display:inline-flex;align-items:center;gap:8px;margin:0 16px 8px 0;min-height:44px}
.s26-form input[type=checkbox],.s26-form input[type=radio]{width:20px;height:20px;accent-color:var(--accent)}
.s26-form input[type=submit],.s26-form .wpcf7-submit{display:inline-flex;min-height:52px;padding:16px 40px;border:0;border-radius:999px;background:var(--accent);color:#fff;font-family:inherit;font-size:16px;font-weight:700;cursor:pointer;width:auto}
.s26-form input[type=submit]:hover{background:var(--accent-ink)}
.s26-form p{margin:0}
.s26-form .text-center,.s26-form .center{text-align:left}
.s26-form .wpcf7-not-valid-tip{color:var(--accent-ink);font-size:13px;margin-top:6px}
.s26-form .wpcf7-response-output{margin:8px 0 0;padding:12px 16px;border-radius:10px;font-size:14px}
.s26-form form.invalid .wpcf7-response-output,.s26-form form.failed .wpcf7-response-output{border-color:var(--accent);background:var(--accent-tint);color:var(--accent-ink)}
.s26-form form.sent .wpcf7-response-output{border-color:#1E7F5C;background:#EAF5F0;color:#145A41}

/* ---- ページ別 ---- */
.coat{font-family:inherit;text-align:left;display:flex;flex-direction:column;gap:4px;padding:20px 24px;border-radius:16px;cursor:pointer;border:2px solid #E2E2DD;background:#fff;color:#16181B;font-size:20px;font-weight:900;transition:border-color .2s}
.coat small{font-size:13px;font-weight:500;color:#5A5F66}
.coat[aria-pressed=true]{border-color:#C8102E}
@media (max-width:640px){#coat-img{display:none}}
.step{font-family:inherit;text-align:left;display:flex;flex-direction:column;gap:8px;padding:22px 24px;border-radius:16px;cursor:pointer;border:2px solid #33383E;background:transparent;color:#fff;font-size:19px;font-weight:700;transition:background .2s,border-color .2s}
.step .mono{font-size:13px;font-weight:500}
.step[aria-pressed=true]{background:#C8102E;border-color:#C8102E}
@media (max-width:860px){.ct{grid-template-columns:minmax(0,1fr) !important}}
.portal{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:20px;align-items:start}
.player{background:var(--dark);color:var(--on-dark);border-radius:20px;overflow:hidden}
.player video{display:block;width:100%;aspect-ratio:16/9;background:#000}
.player .meta{padding:24px 28px 28px;display:flex;flex-direction:column;gap:10px}
.player .tag{background:var(--accent)}
.playlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.playlist button{width:100%;font-family:inherit;text-align:left;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px 18px;border-radius:14px;border:2px solid transparent;background:#fff;color:var(--ink);cursor:pointer;transition:border-color .2s,transform .2s}
.playlist button:hover{transform:translateX(2px)}
.playlist button[aria-current=true]{border-color:var(--accent)}
.playlist .ic{width:44px;height:44px;border-radius:50%;background:var(--ground);display:flex;align-items:center;justify-content:center}
.playlist button[aria-current=true] .ic{background:var(--accent);color:#fff}
.playlist .t{font-size:16px;font-weight:700;line-height:1.5}
.playlist .s{font-size:13px;color:var(--muted-2)}
@media (max-width:900px){.portal{grid-template-columns:minmax(0,1fr)}}