/*
Theme Name: Impial
Theme URI: https://inpr.info/
Author: 株式会社インピアル
Description: 株式会社インピアル コーポレートサイト用テーマ。Webマーケティング支援。イエロー＆ティールのブランドカラー。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: impial
*/

/* ===== Tokens / Reset ===== */
:root{
  --teal:#15A6C4;
  --teal-d:#108AA6;
  --teal-deep:#0C7E98;
  --yellow:#FFE100;
  --yellow-soft:#FFF6B0;
  --ink:#16202C;
  --slate:#5B6B78;
  --bg:#F4F8FA;
  --line:#E4ECF0;
  --soft:#F8FBFC;
  --grad:linear-gradient(160deg,#15A6C4,#0C7E98);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--yellow);color:var(--ink)}

@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ===== Layout helpers ===== */
.wrap{max-width:1100px;margin:0 auto;padding:0 28px}
.wrap--wide{max-width:1180px}
.wrap--mid{max-width:980px}
.wrap--narrow{max-width:900px}
.wrap--form{max-width:720px}

.eyebrow{margin:0;font-family:'Montserrat',sans-serif;font-weight:700;letter-spacing:.2em;font-size:13px;color:var(--teal)}
.section-title{margin:12px 0 0;font-weight:900;font-size:36px;line-height:1.45}
.section-head{text-align:center;margin-bottom:48px}

/* ===== Buttons ===== */
.btn{display:inline-block;border:none;cursor:pointer;font-family:'Noto Sans JP',sans-serif;font-weight:800;border-radius:999px;transition:.18s;text-align:center}
.btn--primary{background:var(--teal);color:#fff;font-size:16px;padding:16px 34px;box-shadow:0 10px 24px rgba(21,166,196,.28)}
.btn--primary:hover{background:var(--teal-d)}
.btn--yellow{background:var(--yellow);color:var(--ink);font-size:17px;padding:17px 40px}
.btn--yellow:hover{transform:translateY(-2px)}
.btn--sm{font-size:15px;padding:14px 30px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header__inner{max-width:1200px;margin:0 auto;padding:0 28px;height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center}
.logo svg{display:block;height:34px;width:auto}
.main-nav{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.main-nav a{position:relative;font-weight:700;font-size:15px;color:var(--ink);padding:10px 16px;border-radius:8px;transition:.15s}
.main-nav a:hover{background:#F0F6F8}
.main-nav .current-menu-item a::after,
.main-nav .current_page_item a::after,
.main-nav a[aria-current]::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:3px;background:var(--yellow);border-radius:2px}
.header-cta{margin-left:10px;background:var(--teal);color:#fff;font-weight:700;font-size:15px;padding:11px 22px;border-radius:999px;box-shadow:0 6px 16px rgba(21,166,196,.28)}
.header-cta:hover{background:var(--teal-d)}
.nav-toggle{display:none}

/* ===== Hero (front) ===== */
.hero{background:#fff;border-bottom:1px solid var(--line)}
.hero__inner{padding:84px 28px 40px;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.badge-pill{display:inline-block;background:var(--yellow-soft);color:#9A7B00;font-weight:700;font-size:13px;padding:7px 16px;border-radius:999px;letter-spacing:.02em}
.hero__title{margin:22px 0 0;font-weight:900;font-size:58px;line-height:1.28;color:var(--ink);letter-spacing:.01em}
.accent-bar{width:120px;height:8px;background:var(--yellow);border-radius:4px;margin:20px 0 0}
.lead{margin:26px 0 0;font-size:18px;line-height:2;color:#46535F;font-weight:500;max-width:560px}
.hero__actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero__visual{position:relative;height:380px;background:var(--bg);border-radius:24px;border:1px solid var(--line);display:flex;align-items:flex-end;justify-content:center;overflow:hidden}
.hero__circle{position:absolute;top:20px;right:20px;width:54px;height:54px;border-radius:50%;background:var(--yellow);animation:floatY 5s ease-in-out infinite}
.hero__mascot{width:auto;height:262px;max-width:88%;object-fit:contain;align-self:flex-end;filter:drop-shadow(0 14px 22px rgba(12,126,152,.20));animation:floatY 5.5s ease-in-out infinite}

/* ===== Why / problems ===== */
.why{padding:92px 28px 20px;text-align:center}
.why .section-title{line-height:1.45}
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;text-align:left}
.problem-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}
.problem-card__icon{width:46px;height:46px;border-radius:12px;background:var(--yellow-soft);display:flex;align-items:center;justify-content:center;font-size:22px}
.problem-card h3{margin:18px 0 8px;font-size:18px;font-weight:800}
.problem-card p{margin:0;font-size:14.5px;line-height:1.9;color:var(--slate)}
.solution-banner{margin-top:40px;display:inline-flex;align-items:center;gap:14px;background:var(--teal);color:#fff;padding:20px 36px;border-radius:16px}
.solution-banner strong{font-weight:800;font-size:20px}
.solution-banner .hl{color:var(--yellow)}

/* ===== Services ===== */
.services{padding:72px 28px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 28px;position:relative;overflow:hidden}
.service-card__num{position:absolute;top:-14px;right:6px;font-family:'Montserrat',sans-serif;font-weight:800;font-size:96px;color:#F0F6F8;line-height:1}
.service-card__body{position:relative}
.service-card__icon{font-size:30px}
.service-card h3{margin:16px 0 10px;font-size:20px;font-weight:800}
.service-card p{margin:0;font-size:14.5px;line-height:1.95;color:var(--slate)}

/* ===== Features ===== */
.features{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.features__inner{padding:80px 28px}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature-item{display:flex;gap:18px;align-items:flex-start;background:var(--soft);border:1px solid #E9F1F4;border-radius:18px;padding:26px 28px}
.feature-item__num{flex:none;width:48px;height:48px;border-radius:12px;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Montserrat',sans-serif;font-weight:800;font-size:18px}
.feature-item h3{margin:2px 0 8px;font-size:19px;font-weight:800}
.feature-item p{margin:0;font-size:14.5px;line-height:1.95;color:var(--slate)}

/* ===== Flow ===== */
.flow{padding:80px 28px}
.flow-list{display:flex;flex-direction:column;gap:16px}
.flow-item{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 26px}
.flow-item__num{flex:none;width:54px;height:54px;border-radius:50%;background:var(--yellow);color:var(--ink);display:flex;align-items:center;justify-content:center;font-family:'Montserrat',sans-serif;font-weight:800;font-size:20px}
.flow-item h3{margin:0 0 4px;font-size:18px;font-weight:800}
.flow-item p{margin:0;font-size:14px;line-height:1.8;color:var(--slate)}

/* ===== News ===== */
.news{background:#fff;border-top:1px solid var(--line)}
.news__inner{padding:72px 28px}
.news__head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:30px}
.news__more{color:var(--teal);font-weight:700;font-size:14px}
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;align-items:center;gap:22px;border-top:1px solid #EDF2F5;padding:20px 4px;transition:.15s}
.news-item:hover{background:var(--soft)}
.news-item__date{flex:none;font-family:'Montserrat',sans-serif;font-weight:600;color:#9aaab4;font-size:14px;width:104px}
.news-item__tag{flex:none;font-size:11px;font-weight:700;color:var(--teal);background:#E7F6FA;padding:5px 12px;border-radius:999px}
.news-item__title{font-size:15.5px;font-weight:600;color:var(--ink)}

/* ===== CTA ===== */
.cta{background:var(--grad);position:relative;overflow:hidden}
.cta__deco{position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,225,0,.16)}
.cta__inner{max-width:900px;margin:0 auto;padding:78px 28px;text-align:center;color:#fff;position:relative;z-index:2}
.cta__title{margin:0;font-weight:900;font-size:38px;line-height:1.4}
.cta__title .hl{color:var(--yellow)}
.cta__lead{margin:20px 0 0;font-size:17px;color:#EAF7FB;line-height:1.9}
.cta__actions{display:flex;gap:16px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* ===== Page hero (teal band) ===== */
.page-hero{background:var(--grad);color:#fff}
.page-hero__inner{padding:64px 28px}
.page-hero .eyebrow{color:var(--yellow)}
.page-hero__title{margin:12px 0 0;font-weight:900;font-size:42px;color:#fff;line-height:1.4}
.page-hero__lead{margin:20px 0 0;font-size:17px;line-height:2;color:#EAF7FB;max-width:680px}

/* ===== Service page extra ===== */
.service-page{padding:72px 28px}
.service-cta-box{margin-top:60px;background:var(--soft);border:1px solid #E9F1F4;border-radius:22px;padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.service-cta-box h2{margin:0;font-weight:900;font-size:28px;line-height:1.5}
.service-cta-box h2 .hl{color:var(--teal)}
.service-cta-box p{margin:18px 0 0;font-size:15px;line-height:2;color:var(--slate)}
.placeholder-figure{height:240px;border-radius:16px;background:repeating-linear-gradient(45deg,#d6eef5 0 12px,#e6f4f8 12px 24px);display:flex;align-items:center;justify-content:center;font-family:monospace;font-size:12px;color:var(--teal-deep)}

/* ===== Company table ===== */
.company-page{padding:64px 28px}
.info-table{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.info-row{display:grid;grid-template-columns:200px 1fr;border-top:1px solid #EDF2F5}
.info-row:first-child{border-top:none}
.info-row__key{background:var(--soft);padding:20px 26px;font-weight:700;font-size:14.5px;color:var(--ink)}
.info-row__val{padding:20px 26px;font-size:14.5px;color:#46535F;line-height:1.8}

/* ===== News archive ===== */
.news-page{padding:48px 28px 72px}

/* ===== Contact form ===== */
.contact-page{padding:56px 28px 80px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px}
.form-stack{display:flex;flex-direction:column;gap:22px}
.field{display:block}
.field__label{display:block;font-weight:700;font-size:14px;margin-bottom:8px}
.req{color:#E5484D}
.input,.textarea{width:100%;border:1px solid #DCE6EB;border-radius:10px;padding:14px 16px;font-size:15px;font-family:'Noto Sans JP',sans-serif}
.input:focus,.textarea:focus{border-color:var(--teal);outline:none}
.textarea{resize:vertical}
.form-note{margin:0;font-size:12px;color:#9aaab4;text-align:center}
.form-success{background:#fff;border:1px solid var(--line);border-radius:20px;padding:56px;text-align:center}
.form-success__icon{width:64px;height:64px;border-radius:50%;background:#E7F6FA;color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto}
.form-success h2{margin:22px 0 8px;font-weight:900;font-size:24px}
.form-success p{margin:0;font-size:15px;line-height:1.9;color:var(--slate)}

/* ===== Single news ===== */
.single-news{padding:56px 28px 80px}
.single-news .entry-meta{font-family:'Montserrat',sans-serif;color:#9aaab4;font-size:14px;margin-bottom:10px}
.single-news .entry-title{font-weight:900;font-size:30px;line-height:1.4;margin:0 0 24px}
.entry-content{font-size:16px;line-height:2;color:#37434E}
.entry-content h2{font-size:24px;margin:36px 0 12px}
.entry-content p{margin:0 0 18px}

/* ===== Footer ===== */
.site-footer{background:#fff;color:var(--slate);border-top:1px solid var(--line)}
.site-footer__inner{max-width:1100px;margin:0 auto;padding:60px 28px 32px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-logo svg{display:block;height:32px;width:auto;margin-bottom:16px}
.footer-tagline{margin:0;font-size:13.5px;line-height:1.9;color:var(--slate)}
.footer-col h4{margin:0 0 16px;font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.05em}
.footer-nav{display:flex;flex-direction:column;gap:11px;list-style:none;margin:0;padding:0}
.footer-nav a{font-size:13.5px;color:var(--slate);transition:.15s}
.footer-nav a:hover{color:var(--teal)}
.footer-contact p{margin:0 0 8px;font-size:13px;line-height:1.8;color:var(--slate)}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom__inner{max-width:1100px;margin:0 auto;padding:18px 28px;font-size:12px;color:#9aaab4}

/* ===== Responsive ===== */
@media (max-width:860px){
  .hero__inner{grid-template-columns:1fr;gap:28px;padding:56px 24px 32px}
  .hero__title{font-size:40px}
  .hero__visual{height:300px}
  .card-grid-3,.service-grid,.feature-grid{grid-template-columns:1fr}
  .section-title{font-size:28px}
  .service-cta-box{grid-template-columns:1fr;padding:32px}
  .site-footer__inner{grid-template-columns:1fr;gap:32px}
  .info-row{grid-template-columns:120px 1fr}
  .page-hero__title{font-size:32px}
  .cta__title{font-size:30px}
  .main-nav{display:none}
  .main-nav.is-open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px;gap:6px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;background:none;cursor:pointer;font-size:22px}
}