/*
Theme Name: 日本タイロッド工業
Theme URI: https://example.com/
Author: 日本タイロッド工業株式会社
Author URI: https://example.com/
Description: 日本タイロッド工業株式会社 コーポレートサイトテーマ
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nihon-tairod
*/

:root{
  --navy:#0b315b;--navy-dark:#06233f;--orange:#f15a24;
  --text:#102d49;--muted:#6b7d89;--line:#dfe7ed;--pale:#eef6fb;--max:1240px;
  --gothic:"BIZ UDPGothic","BIZ UDPゴシック","Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;
  --mincho:"Yu Mincho","YuMincho","Hiragino Mincho ProN","Noto Serif JP",serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);font-family:var(--gothic);line-height:1.75;background:#fff}
a{text-decoration:none;color:inherit}img{display:block;width:100%;height:auto}.container{width:min(calc(100% - 40px),var(--max));margin:auto}
.eyebrow{color:var(--orange);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;font-weight:700;border:1px solid transparent}
.btn--navy{background:var(--navy);color:#fff}.btn--orange{background:var(--orange);color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-top{min-height:78px;display:grid;grid-template-columns:minmax(360px,1fr) auto auto auto;gap:18px;align-items:center}
.logo img{width:345px;max-width:100%}
.header-link{font-size:.84rem;font-weight:700;white-space:nowrap}
.header-link--system{color:var(--navy)}.header-link--contact{color:var(--orange);border:1px solid var(--orange);padding:10px 14px}
.telbox{text-align:right;color:var(--navy);font-size:.74rem;line-height:1.45;white-space:nowrap}.telbox strong{font-size:1rem}
.global-nav{border-top:1px solid #edf2f5}.global-nav__inner{min-height:46px;display:flex;justify-content:center;align-items:center;gap:52px}
.global-nav__inner ul{display:flex;justify-content:center;align-items:center;gap:52px;list-style:none;margin:0;padding:0}
.global-nav a{font-size:.9rem;color:var(--navy);font-weight:700}

/* hero */
.hero-grid{display:grid;grid-template-columns:45% 55%;min-height:570px}
.hero-copy{display:flex;flex-direction:column;justify-content:center;padding:68px 42px 68px max(40px,calc((100vw - var(--max))/2 + 20px));background:linear-gradient(90deg,#fff 0%,#fff 84%,rgba(255,255,255,.9))}
.hero h1{font-family:var(--mincho);font-size:clamp(3.2rem,5vw,5.25rem);line-height:1.19;letter-spacing:.02em;color:var(--navy-dark);margin:10px 0 24px}
.hero-lead{font-family:var(--mincho);font-size:1.14rem;line-height:1.95;margin:0 0 28px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-image{min-height:570px;overflow:hidden}.hero-image img{height:100%;object-fit:cover;object-position:center}

/* news */
.news{border-block:1px solid var(--line)}.news-grid{min-height:68px;display:grid;grid-template-columns:100px 115px 1fr auto;gap:18px;align-items:center}
.news-grid strong{color:var(--navy)}.news-grid time{font-size:.87rem;color:var(--muted)}.news-tag{display:inline-block;background:var(--navy);color:#fff;padding:3px 8px;margin-right:10px;font-size:.72rem}

/* category */
.category-grid{display:grid;grid-template-columns:1fr 1fr}.category{position:relative;min-height:405px;overflow:hidden}
.category img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.category::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(4,23,38,.58) 100%)}
.category-copy{position:absolute;z-index:2;left:6%;bottom:36px;color:#fff;max-width:440px}.category h2{font-family:var(--mincho);font-size:2.15rem;margin:0 0 10px}
.category p{margin:0 0 14px}.category a{font-weight:700;border-bottom:1px solid rgba(255,255,255,.75);padding-bottom:4px}

/* cases */
.cases{padding:86px 0}.section-head{text-align:center;margin-bottom:32px}.section-title{font-family:var(--mincho);font-size:2.15rem;color:var(--navy);margin:6px 0 0}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.case-card{display:grid;grid-template-columns:43% 57%;border-block:1px solid var(--line)}
.case-card img{height:100%;min-height:235px;object-fit:cover}.case-copy{padding:25px}.case-label{font-size:.8rem;color:var(--orange);font-weight:700;margin-bottom:9px}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.tags span{background:var(--pale);color:var(--navy);font-size:.72rem;padding:4px 8px}
.case-card h3{font-family:var(--mincho);font-size:1.42rem;line-height:1.48;color:var(--navy);margin:0 0 10px}.case-card p{font-size:.9rem;color:var(--muted);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.case-card a{display:inline-block;margin-top:16px;color:var(--navy);font-weight:700}
.case-map{margin:44px auto 0;max-width:1040px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 4px 16px rgba(11,49,91,.06)}
.case-map-header{padding:18px 24px;background:var(--pale);border-bottom:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center}
.case-map-title{margin:0;font-size:1.05rem;font-weight:700;color:var(--navy);display:inline-flex;align-items:center;justify-content:center;gap:8px}
.case-map-title::before{content:"";display:inline-block;width:8px;height:8px;background-color:var(--orange);border-radius:50%}
.case-map-subtitle{font-size:.85rem;color:var(--muted)}
.case-map-body{position:relative;width:100%;height:480px}
.case-map-body iframe{width:100%;height:100%;border:0;display:block}

/* respect */
.respect{padding:72px 0 82px}.respect-head{text-align:center;margin-bottom:28px}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value-card{display:grid;grid-template-columns:44% 56%;min-height:220px;border-block:1px solid var(--line)}.value-card img{height:100%;object-fit:cover}.value-copy{padding:22px}
.value-copy small{font-size:.8rem;color:var(--orange);font-weight:700}.value-copy h3{font-family:var(--mincho);font-size:1.28rem;line-height:1.5;color:var(--navy);margin:8px 0 10px}
.value-copy p{font-size:.88rem;color:var(--muted);margin:0}

/* search */
.search{padding:80px 0;background:linear-gradient(180deg,#f6faff,#eaf4fa)}.search-head{text-align:center;margin-bottom:28px}.search-head p{margin:6px 0 0;color:var(--muted)}
.search-flow{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line)}.search-step{text-align:center;padding:25px;border-right:1px solid var(--line)}
.search-step:last-child{border-right:0}.search-icon{font-size:2rem;color:var(--navy);margin-bottom:10px}.search-step h3{font-size:1rem;color:var(--navy);margin:0 0 8px}
.search-step p{font-size:.83rem;color:var(--muted);line-height:1.65;margin:0}.search-cta{text-align:center;margin-top:22px}

/* footer */
footer{background:var(--navy-dark);color:#dce6ed;padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:38px}
.footer-logo{width:310px;filter:brightness(0) invert(1)}footer h3{color:#fff;margin:0 0 12px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:.45em 0}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:16px;font-size:.76rem;color:#9fb1bd}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:0;background:transparent;
  padding:10px;
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  height:2px;
  background:var(--navy);
  margin:5px 0;
  transition:.2s ease;
}
.mobile-menu{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding:8px 20px 20px;
}
.mobile-menu ul{list-style:none;padding:0;margin:0}
.mobile-menu a{
  display:block;
  padding:14px 2px;
  border-bottom:1px solid var(--line);
  color:var(--navy);
  font-weight:700;
}
.mobile-contact{
  padding-top:16px;
  color:var(--navy);
  font-size:.9rem;
  line-height:1.7;
}
.mobile-menu.is-open{display:block}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:1060px){.header-top{grid-template-columns:1fr auto auto}.telbox{display:none}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:64px 32px}.hero-image{min-height:430px}.value-grid{grid-template-columns:1fr}}
@media(max-width:760px){
  body{font-size:15px}
  .container{width:min(calc(100% - 28px),var(--max))}
  .site-header{position:sticky}
  .header-top{
    min-height:64px;
    grid-template-columns:1fr auto;
    gap:8px;
  }
  .logo img{width:228px}
  .menu-toggle{display:block}
  .header-link,.telbox,.global-nav{display:none}

  .hero-grid{
    display:flex;
    flex-direction:column;
    min-height:auto;
  }
  .hero-copy{
    order:1;
    padding:40px 20px 34px;
    background:#fff;
  }
  .hero-image{
    order:2;
    min-height:270px;
    height:270px;
  }
  .hero-image img{
    object-position:center center;
  }
  .hero h1{
    font-size:clamp(2.55rem,12vw,3.4rem);
    line-height:1.22;
    margin:8px 0 18px;
  }
  .hero-lead{
    font-size:1rem;
    line-height:1.9;
    margin-bottom:22px;
  }
  .hero-actions{
    display:grid;
    grid-template-columns:1fr;
    gap:10px;
  }
  .hero-actions .btn{width:100%}

  .news{border-top:0}
  .news-grid{
    min-height:auto;
    padding:16px 0;
    grid-template-columns:68px 1fr;
    gap:8px 12px;
  }
  .news-grid time,.news-grid>a{display:none}
  .news-grid>div{font-size:.86rem;line-height:1.55}
  .news-tag{margin-right:7px}

  .category-grid{grid-template-columns:1fr}
  .category{min-height:310px}
  .category-copy{left:22px;right:22px;bottom:24px}
  .category h2{font-size:1.85rem}
  .category p{font-size:.92rem}

  .cases{padding:58px 0}
  .section-head{margin-bottom:24px}
  .section-title{font-size:1.8rem}
  .case-grid{grid-template-columns:1fr;gap:26px}
  .case-card{grid-template-columns:1fr}
  .case-card img{min-height:0;aspect-ratio:4/3}
  .case-copy{padding:20px 4px 4px}
  .case-card h3{font-size:1.28rem}
  .case-card p{
    white-space:normal;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .case-map{margin-top:28px}
  .case-map-header{padding:14px 16px;text-align:center;align-items:center;justify-content:center;gap:4px}
  .case-map-title{font-size:.95rem}
  .case-map-subtitle{font-size:.78rem}
  .case-map-body{height:360px}

  .respect{padding:56px 0 62px}
  .respect-head{margin-bottom:22px}
  .value-grid{grid-template-columns:1fr;gap:24px}
  .value-card{
    grid-template-columns:1fr;
    min-height:auto;
  }
  .value-card img{
    aspect-ratio:16/10;
    height:auto;
  }
  .value-copy{padding:18px 4px 2px}
  .value-copy h3{font-size:1.22rem}

  .search{padding:58px 0}
  .search-head{text-align:left;margin-bottom:22px}
  .search-head .section-title{font-size:1.75rem}
  .search-flow{
    grid-template-columns:1fr;
    border:0;
    gap:10px;
    background:transparent;
  }
  .search-step{
    display:grid;
    grid-template-columns:54px 1fr;
    column-gap:14px;
    text-align:left;
    border:1px solid var(--line);
    background:#fff;
    padding:18px;
  }
  .search-step:last-child{border:1px solid var(--line)}
  .search-icon{
    grid-row:1/3;
    margin:0;
    align-self:start;
    text-align:center;
  }
  .search-step h3{margin:0 0 4px}
  .search-cta .btn{width:100%}

  footer{padding:36px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-logo{width:260px}
  footer ul{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}
  .copyright{font-size:.7rem;line-height:1.6}
}

/* Subpage Common */
.page-header{background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 100%);color:#fff;padding:50px 0 45px;text-align:center}
.page-header h1{font-family:var(--mincho);font-size:2.2rem;margin:6px 0 0;letter-spacing:.05em}
.page-header-lead{margin:16px auto 0;font-size:1.1rem;color:rgba(255,255,255,0.9);letter-spacing:.04em;max-width:700px;line-height:1.6}
.main-lead{text-align:center;font-size:1.15rem;line-height:1.9;color:var(--navy-dark);max-width:760px;margin:40px auto 0;padding:0 20px}
.subpage-section{padding:70px 0;border-bottom:1px solid var(--line)}
.subpage-section:last-child{border-bottom:none}
.subpage-title{font-family:var(--mincho);font-size:1.8rem;color:var(--navy);margin:0 0 32px;padding-bottom:12px;border-bottom:2px solid var(--navy)}

/* Message Block */
.message-box{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.message-box:not(:has(img)){grid-template-columns:1fr}
.message-box img{border-radius:4px;aspect-ratio:4/3;object-fit:cover}
.message-lead{font-family:var(--mincho);font-size:1.25rem;line-height:1.8;color:var(--navy-dark);margin:0 0 20px;font-weight:700}
.message-text p{margin:0 0 16px;line-height:1.85}

/* Company Table */
.company-table{width:100%;border-collapse:collapse;margin-top:10px}
.company-table th,.company-table td{padding:18px 24px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:.95rem}
.company-table th{width:24%;background:var(--pale);color:var(--navy);font-weight:700}

/* History List */
.history-list{list-style:none;padding:0;margin:0}
.history-item{display:grid;grid-template-columns:120px 1fr;padding:18px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.history-year{font-weight:700;color:var(--orange);font-size:1.05rem}

@media(max-width:760px){
  .page-header{padding:38px 0 32px}
  .page-header h1{font-size:1.75rem}
  .main-lead{font-size:1rem;margin-top:28px}
  .subpage-section{padding:46px 0}
  .subpage-title{font-size:1.5rem;margin-bottom:24px}
  .message-box{grid-template-columns:1fr;gap:24px}
  .company-table th,.company-table td{display:block;width:100%;padding:12px 16px}
  .company-table th{border-bottom:0;padding-bottom:2px;background:transparent;color:var(--orange);font-size:.88rem}
  .history-item{grid-template-columns:90px 1fr;padding:14px 0}
}

/* Contact Page Form */
.contact-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.contact-intro__lead {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--navy-dark);
  margin-bottom: 30px;
}
.contact-tel-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 30px;
  display: inline-block;
  box-shadow: 0 4px 12px rgba(11, 49, 91, 0.05);
}
.contact-tel-box__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.contact-tel-box__body {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}
.contact-tel-box__tel,
.contact-tel-box__fax {
  font-size: 1.25rem;
  color: var(--navy-dark);
}
.contact-tel-box__tel .label,
.contact-tel-box__fax .label {
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--navy);
  color: #fff;
  padding: 2px 8px;
  border-radius: 3px;
  margin-right: 6px;
}
.contact-tel-box__tel strong {
  font-size: 1.45rem;
  color: var(--navy);
}
.contact-tel-box__hours {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 10px 0 0;
}

.contact-form-wrapper {
  max-width: 860px;
  margin: 0 auto;
}
.contact-form {
  max-width: 860px;
  margin: 0 auto;
}
.form-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}
.form-table th,
.form-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}
.form-table th {
  width: 28%;
  background: var(--pale);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.95rem;
}
.form-table td {
  background: #fff;
}
.badge-required {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 8px;
  font-weight: normal;
  vertical-align: middle;
}
.badge-optional {
  display: inline-block;
  background: var(--muted);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 8px;
  font-weight: normal;
  vertical-align: middle;
}

/* Form Inputs */
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea,
.contact-form-wrapper input[type="text"],
.contact-form-wrapper input[type="email"],
.contact-form-wrapper input[type="tel"],
.contact-form-wrapper select,
.contact-form-wrapper textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--line);
  border-radius: 4px;
  background-color: #fdfdfd;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus,
.contact-form-wrapper input:focus,
.contact-form-wrapper select:focus,
.contact-form-wrapper textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(11, 49, 91, 0.12);
  background-color: #fff;
}

.privacy-box {
  background: var(--pale);
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 6px;
  margin-bottom: 32px;
}
.privacy-box__title {
  font-size: 1rem;
  color: var(--navy);
  margin: 0 0 12px;
  text-align: center;
}
.privacy-box__content {
  background: #fff;
  border: 1px solid var(--line);
  padding: 16px;
  font-size: 0.88rem;
  color: var(--muted);
  max-height: 120px;
  overflow-y: auto;
  margin-bottom: 16px;
  border-radius: 4px;
}
.privacy-box__content p {
  margin: 0;
}
.privacy-box__check {
  text-align: center;
}
.privacy-box__check label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 700;
  color: var(--navy-dark);
  font-size: 0.95rem;
}
.privacy-box__check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--orange);
  cursor: pointer;
}

.form-submit {
  text-align: center;
}
.btn--submit {
  min-width: 280px;
  font-size: 1.05rem;
  padding: 14px 40px;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(241, 90, 36, 0.3);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.btn--submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

@media (max-width: 760px) {
  .contact-tel-box {
    width: 100%;
    padding: 18px 14px;
  }
  .contact-tel-box__body {
    flex-direction: column;
    gap: 10px;
  }
  .form-table th,
  .form-table td {
    display: block;
    width: 100%;
    padding: 12px 14px;
  }
  .form-table th {
    border-bottom: none;
    background: transparent;
    padding-bottom: 4px;
  }
  .btn--submit {
    width: 100%;
  }
}