@charset "UTF-8";

/* =========================================================
   〇〇建設 コーポレートサイト スタイルシート（改訂版）
   ポートフォリオ用架空企業サイト
   コンセプト：二代目社長が仕上がりにこだわり抜く舗装会社
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root {
  /* Color tokens：アスファルトのグレー×検査印のオレンジ */
  --color-charcoal: #23262B;
  --color-charcoal-deep: #16181C;
  --color-accent: #E0631A;
  --color-accent-deep: #B84E12;
  --color-bg: #F6F4F0;
  --color-bg-alt: #ECE7DD;
  --color-text: #23262B;
  --color-text-light: #5C5F66;
  --color-white: #FFFFFF;
  --color-border: #DAD4C7;

  --font-base: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  --max-width: 1180px;
  --gap-section: 104px;
  --gap-section-sp: 60px;
  --radius: 2px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: none; }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 検査印モチーフ ロゴ ---------- */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 900;
  color: var(--color-charcoal);
  letter-spacing: .02em;
}
.stamp-mark {
  width: 34px;
  height: 34px;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  transform: rotate(-6deg);
  flex-shrink: 0;
}
.footer-logo .stamp-mark { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.global-nav { display: flex; gap: 28px; }
.global-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .2s ease;
}
.global-nav a:hover,
.global-nav a[aria-current="page"] { border-color: var(--color-accent); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-tel { font-size: 15px; font-weight: 700; color: var(--color-charcoal); white-space: nowrap; }
.header-tel small { display: block; font-weight: 400; font-size: 11px; color: var(--color-text-light); }
.nav-toggle { display: none; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-charcoal); margin: 5px 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  border: 2px solid transparent;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn-primary { background: var(--color-accent); color: var(--color-white); }
.btn-primary:hover { background: var(--color-accent-deep); }
.btn-outline { background: transparent; border-color: var(--color-white); color: var(--color-white); }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-charcoal { background: var(--color-charcoal); color: var(--color-white); }
.btn-charcoal:hover { background: var(--color-charcoal-deep); }
.btn-block { display: block; width: 100%; }
.cta-row { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Hero（非対称・フルスクリーン想定） ---------- */
.hero {
  background: var(--color-charcoal);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}
.hero__media {
  position: relative;
  min-height: 560px;
  background: linear-gradient(135deg, #33373E 0%, #1B1D21 100%);
  display: flex;
  align-items: flex-end;
}
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.hero__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27,29,33,.15) 0%, rgba(27,29,33,.75) 100%);
  z-index: 1;
}
.hero__copy {
  position: relative;
  z-index: 2;
  padding: 64px 0 72px;
  max-width: 680px;
}
.hero__copy .eyebrow {
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.45;
  margin-bottom: 24px;
  text-wrap: balance;
}
.hero p.lead {
  font-size: 16px;
  color: #D3D6DC;
  margin-bottom: 36px;
  max-width: 44ch;
}

.road-divider { border: none; border-top: 3px dashed var(--color-border); margin: 0; }

/* ---------- Section ---------- */
.section { padding: var(--gap-section) 0; }
.section--alt { background: var(--color-bg-alt); }
.section--charcoal { background: var(--color-charcoal); color: var(--color-white); }
.section__head { max-width: 660px; margin-bottom: 52px; }
.section__head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section__head .eyebrow {
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}
.section__head h2 { font-size: 32px; font-weight: 900; color: var(--color-charcoal); line-height: 1.5; }
.section--charcoal .section__head h2,
.section--charcoal .section__head p { color: var(--color-white); }
.section__head p { margin-top: 14px; color: var(--color-text-light); font-size: 15px; }

/* ---------- 代表の言葉（一人称ストーリー） ---------- */
.founder-quote {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.founder-quote__portrait {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, #DEDAD0, #C9C3B5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 12px;
  text-align: center;
  padding: 20px;
  border-radius: var(--radius);
  overflow: hidden;
}
.founder-quote__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}
.founder-quote__body .quote-mark {
  font-size: 48px;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}
.founder-quote__body p.lead-quote {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.7;
  margin-bottom: 20px;
}
.founder-quote__body p { font-size: 14.5px; color: var(--color-text-light); }
.founder-quote__body .who {
  margin-top: 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-charcoal);
}

/* ---------- こだわり（非対称の交互レイアウト） ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-row:not(:last-child) { margin-bottom: 80px; }
.feature-row--reverse .feature-row__media { order: 2; }
.feature-row--reverse .feature-row__body { order: 1; }
.feature-row__media {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 12px;
  text-align: center;
  padding: 20px;
  overflow: hidden;
}
.feature-row__media img { width: 100%; height: 100%; object-fit: cover; }
.feature-row__body .num {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
  letter-spacing: .05em;
}
.feature-row__body h3 { font-size: 22px; font-weight: 900; color: var(--color-charcoal); margin-bottom: 14px; }
.feature-row__body p { font-size: 14.5px; color: var(--color-text-light); }

/* ---------- Reasons grid（一覧説明用） ---------- */
.reasons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reason-card { background: var(--color-white); border: 1px solid var(--color-border); padding: 26px; }
.reason-card h3 { font-size: 16px; font-weight: 700; color: var(--color-charcoal); margin-bottom: 10px; }
.reason-card p { font-size: 13.5px; color: var(--color-text-light); }
@media (max-width: 768px) { .reasons-grid { grid-template-columns: 1fr; } }

/* ---------- 対象別サービス（非対称バンド） ---------- */
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--color-border); }
.audience-card { background: var(--color-white); padding: 40px 36px; }
.audience-card--corp { background: var(--color-charcoal); color: var(--color-white); }
.audience-card--personal { background: var(--color-white); }
.audience-card h3 { font-size: 20px; font-weight: 900; margin-bottom: 16px; }
.audience-card--corp h3 { color: var(--color-white); }
.audience-card--personal h3 { color: var(--color-charcoal); }
.audience-card p { font-size: 14px; margin-bottom: 24px; }
.audience-card--corp p { color: #C7CAD1; }
.audience-card--personal p { color: var(--color-text-light); }

/* ---------- 実績カード（代表コメント付き） ---------- */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.case-card { background: var(--color-white); border: 1px solid var(--color-border); }
.case-card__media {
  aspect-ratio: 16 / 10;
  background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-light); font-size: 12px; text-align: center; padding: 12px;
  overflow: hidden;
}
.case-card__media img { width: 100%; height: 100%; object-fit: cover; }
.case-card__body { padding: 24px 26px; }
.case-tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px; margin-bottom: 12px; }
.case-tag--corp { background: var(--color-charcoal); color: var(--color-white); }
.case-tag--personal { background: var(--color-accent); color: var(--color-white); }
.case-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.case-card p { font-size: 13.5px; color: var(--color-text-light); }
.case-card .case-comment {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
  font-size: 13px;
  font-style: normal;
  color: var(--color-charcoal);
}
.case-card .case-meta { font-size: 12px; color: var(--color-text-light); margin-top: 10px; }

.filter-tabs { display: flex; gap: 12px; margin-bottom: 32px; }
.filter-tabs button {
  border: 1px solid var(--color-border);
  padding: 9px 22px; font-size: 13px; font-weight: 700; color: var(--color-text-light);
}
.filter-tabs button[aria-pressed="true"] {
  background: var(--color-charcoal); border-color: var(--color-charcoal); color: var(--color-white);
}

/* ---------- Process flow ---------- */
.flow { display: flex; flex-wrap: wrap; gap: 0; counter-reset: flow-step; }
.flow__step { flex: 1 1 140px; position: relative; padding: 20px 18px 20px 0; }
.flow__step::before {
  counter-increment: flow-step; content: counter(flow-step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border: 2px solid var(--color-accent); color: var(--color-accent);
  font-size: 13px; font-weight: 900; margin-bottom: 12px;
}
.flow__step h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.flow__step p { font-size: 12px; color: var(--color-text-light); }

.tag-list { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-list li { background: var(--color-white); border: 1px solid var(--color-border); padding: 10px 18px; font-size: 14px; font-weight: 500; }

.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { text-align: left; padding: 16px 0; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.info-table th { width: 180px; font-weight: 700; color: var(--color-charcoal); font-size: 14px; }
.info-table td { font-size: 14px; color: var(--color-text); }

.timeline { border-left: 2px solid var(--color-border); padding-left: 24px; }
.timeline li { position: relative; padding-bottom: 24px; font-size: 14px; }
.timeline li::before { content: ""; position: absolute; left: -29px; top: 4px; width: 10px; height: 10px; background: var(--color-accent); }
.timeline .year { font-weight: 700; color: var(--color-charcoal); margin-right: 10px; }

.voice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.voice-card { background: var(--color-white); border: 1px solid var(--color-border); padding: 26px; }
.voice-card__media { aspect-ratio: 4 / 3; margin-bottom: 18px; overflow: hidden; }
.voice-card__media img { width: 100%; height: 100%; object-fit: cover; }
.voice-card p.quote { font-size: 14px; margin-bottom: 14px; }
.voice-card p.who { font-size: 12px; color: var(--color-text-light); }

.schedule-list li { display: flex; gap: 20px; font-size: 14px; padding: 8px 0; border-bottom: 1px dashed var(--color-border); }
.schedule-list time { width: 70px; font-weight: 700; color: var(--color-charcoal); flex-shrink: 0; }
.plain-list { font-size: 14px; }
.plain-list li { padding: 8px 0; border-bottom: 1px dashed var(--color-border); }
.plain-list li:last-child { border-bottom: none; }

.job-card { background: var(--color-white); border: 1px solid var(--color-border); padding: 30px; margin-bottom: 20px; }
.job-card h3 { font-size: 17px; font-weight: 700; color: var(--color-charcoal); margin-bottom: 16px; }
.job-card dl { display: grid; grid-template-columns: 100px 1fr; row-gap: 8px; font-size: 14px; }
.job-card dt { color: var(--color-text-light); }

/* ---------- Form ---------- */
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; color: var(--color-charcoal); }
.form-group .required { color: var(--color-accent); font-size: 12px; margin-left: 6px; font-weight: 700; }
.form-group input[type="text"], .form-group input[type="tel"], .form-group input[type="email"], .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius);
  font-size: 14px; font-family: inherit; background: var(--color-white);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.radio-group { display: flex; flex-wrap: wrap; gap: 12px; }
.radio-group label { display: flex; align-items: center; gap: 8px; font-weight: 400; font-size: 14px; border: 1px solid var(--color-border); padding: 10px 16px; background: var(--color-white); cursor: pointer; }
.checkbox-line { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--color-text-light); margin-bottom: 24px; }
.form-note { font-size: 12px; color: var(--color-text-light); background: var(--color-bg-alt); padding: 16px 20px; margin-top: 12px; }
.form-success { display: none; background: #EAF1EC; border: 1px solid #BDD8C4; color: #23663A; padding: 20px 24px; font-size: 14px; margin-top: 20px; }
.form-success.is-visible { display: block; }

.faq-item { border-bottom: 1px solid var(--color-border); padding: 18px 0; }
.faq-item h3 { font-size: 15px; font-weight: 700; color: var(--color-charcoal); margin-bottom: 8px; }
.faq-item p { font-size: 14px; color: var(--color-text-light); }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-charcoal-deep); color: #C9CDD5; padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 900; color: var(--color-white); margin-bottom: 14px; }
.footer-grid h4 { color: var(--color-white); font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.footer-grid ul li { margin-bottom: 10px; font-size: 13px; }
.footer-note { font-size: 12px; color: #7A8090; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; }
.footer-note p + p { margin-top: 6px; }

.breadcrumb { font-size: 12px; color: var(--color-text-light); padding: 20px 0 0; }
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent); }

.page-header { background: var(--color-charcoal); color: var(--color-white); padding: 56px 0 60px; }
.page-header h1 { font-size: 32px; font-weight: 900; }
.page-header p { margin-top: 14px; color: #C7CAD1; font-size: 15px; max-width: 56ch; }

.mt-sm { margin-top: 16px; }
.mt-md { margin-top: 32px; }
.mt-lg { margin-top: 56px; }
.center-cta { text-align: center; }

/* Responsive */
@media (max-width: 768px) {
  :root { --gap-section: var(--gap-section-sp); }
  .global-nav { display: none; }
  .site-header__inner { position: relative; }
  .global-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 8px;
    padding: 16px 24px;
    background: var(--color-white, #fff);
    box-shadow: 0 8px 16px rgba(0, 0, 0, .12);
    z-index: 100;
  }
  .nav-toggle { display: block; }
  .hero__copy { padding: 48px 0 56px; }
  .hero h1 { font-size: 32px; }
  .founder-quote,
  .feature-row,
  .audience-grid,
  .case-grid,
  .voice-grid { grid-template-columns: 1fr; }
  .feature-row--reverse .feature-row__media,
  .feature-row--reverse .feature-row__body { order: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .header-tel { display: none; }
}

@media (max-width: 480px) {
  .hero__media { min-height: 420px; }
  .hero h1 { font-size: 26px; }
  .section__head h2 { font-size: 24px; }
  .site-header__inner { padding: 12px 16px; }
  .site-header__inner { gap: 8px; }
  .site-header .site-logo { font-size: 16px; gap: 6px; white-space: nowrap; }
  .header-actions { gap: 8px; }
  .header-actions .btn { padding: 10px 8px; font-size: 12px; white-space: nowrap; }
  .container { padding: 0 16px; }
  .job-card dl { grid-template-columns: 1fr; }
  .job-card dt { margin-top: 8px; }
  .flow { flex-direction: column; }
  .audience-card { padding: 28px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* V23 preview stability: avoid character-by-character navigation wrapping. */
.global-nav a{white-space:nowrap;word-break:keep-all;line-break:strict}
.hero h1{word-break:keep-all;line-break:strict;overflow-wrap:normal}
@media(max-width:1280px){
  .site-header__inner{position:relative}
  .global-nav{display:none}
  .global-nav.is-open{
    display:flex;position:absolute;left:24px;right:24px;top:100%;z-index:20;
    flex-direction:column;gap:0;background:#fff;border:1px solid var(--color-border);
    box-shadow:0 12px 28px rgba(35,38,43,.12)
  }
  .global-nav.is-open a{padding:12px 14px;border-bottom:1px solid var(--color-border)}
  .nav-toggle{display:block}
  .header-tel{display:none}
}
@media(max-width:480px){
  .hero h1{font-size:25px;line-height:1.5;letter-spacing:0}
}