/* ========================================
   PROGRESS Corporate Site
   Color: Deep Blue #1E3A5F + Amber Gold #D4883A
   ======================================== */

:root {
  --primary: #1E3A5F;
  --primary-dark: #0F2440;
  --accent: #D4883A;
  --accent-light: #E8D5B7;
  --bg: #F8F6F2;
  --bg-white: #FFFFFF;
  --text: #1A1A1A;
  --text-light: #6B7280;
  --border: #E5E2DC;
  --radius: 100px;
  --radius-card: 12px;
  --transition: all 0.3s cubic-bezier(0, 1, 0.64, 1);
  --font-ja: "Noto Sans JP", sans-serif;
  --font-en: "Barlow Semi Condensed", sans-serif;
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-ja);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }

/* Container */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(248, 246, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 58, 95, 0.06);
}
.header-inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--primary); color: #fff;
  font-family: var(--font-en); font-weight: 700; font-size: 18px;
}
.logo-text {
  font-family: var(--font-en); font-weight: 700; font-size: 20px;
  color: var(--primary); letter-spacing: 0.08em;
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: 14px; font-weight: 500; color: var(--text);
  position: relative;
}
.nav-link:hover { opacity: 0.6; }
.btn-nav {
  background: var(--primary); color: #fff !important;
  padding: 10px 24px; border-radius: var(--radius);
  font-size: 13px;
}
.btn-nav:hover { opacity: 0.85; }

/* Hamburger */
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative; z-index: 110;
}
.hamburger span {
  display: block; width: 100%; height: 2px; background: var(--primary);
  position: absolute; left: 0; transition: var(--transition);
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 22px; }
.hamburger.active span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* ========================================
   MV
   ======================================== */
.mv {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  justify-content: center; text-align: center;
  padding: 120px 24px 80px; overflow: hidden;
}
.mv-bg {
  position: absolute; inset: 0; z-index: 0;
}
.mv-bg svg { width: 100%; height: 100%; }
.mv-content { position: relative; z-index: 1; }
.mv-sub {
  font-family: var(--font-en); font-size: 14px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.15em; margin-bottom: 24px;
  text-transform: uppercase;
}
.mv-title {
  font-size: clamp(28px, 5vw, 48px); font-weight: 700;
  line-height: 1.5; letter-spacing: 0.04em; margin-bottom: 24px;
  color: var(--primary);
}
.mv-desc {
  font-size: 15px; color: var(--text-light); line-height: 2;
  margin-bottom: 40px;
}

/* Buttons */
.mv-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; letter-spacing: 0.02em;
  transition: var(--transition); cursor: pointer; border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { opacity: 0.85; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline-dark { background: transparent; color: var(--primary); border-color: var(--border); }
.btn-outline-dark:hover { border-color: var(--primary); }
.btn-white { background: #fff; color: var(--primary); border-color: #fff; }
.btn-white:hover { opacity: 0.9; }
.btn-white-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-white-outline:hover { border-color: #fff; }

/* ========================================
   Sections common
   ======================================== */
.section { padding: 100px 0; }
.section-label {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.2em; margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(22px, 3.5vw, 32px); font-weight: 700;
  line-height: 1.6; margin-bottom: 48px; letter-spacing: 0.02em;
}
.section-cta { text-align: center; margin-top: 48px; }

/* ========================================
   Value
   ======================================== */
.value { background: var(--bg-white); text-align: center; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.value-card {
  padding: 40px 24px; border-radius: var(--radius-card);
  background: var(--bg); text-align: center;
}
.value-icon { margin-bottom: 20px; }
.value-heading {
  font-size: 18px; font-weight: 700; margin-bottom: 16px;
  color: var(--primary);
}
.value-text { font-size: 14px; color: var(--text-light); line-height: 2; }

/* ========================================
   Service
   ======================================== */
.service { background: var(--bg); }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  display: block; padding: 36px 32px; background: var(--bg-white);
  border-radius: var(--radius-card); border: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.service-card::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--accent); transform: scaleX(0);
  transition: transform 0.3s ease; transform-origin: left;
}
.service-card:hover::after { transform: scaleX(1); }
.service-card:hover { border-color: var(--accent); }
.service-num {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.1em; margin-bottom: 12px;
}
.service-name {
  font-size: 18px; font-weight: 700; margin-bottom: 12px;
  color: var(--primary);
}
.service-desc { font-size: 14px; color: var(--text-light); line-height: 1.9; margin-bottom: 16px; }
.service-more {
  font-size: 13px; font-weight: 600; color: var(--accent);
  font-family: var(--font-en);
}

/* ========================================
   Results
   ======================================== */
.results { background: var(--bg-white); text-align: center; }
.results-numbers { display: flex; justify-content: center; gap: 80px; flex-wrap: wrap; }
.results-item { text-align: center; }
.results-num {
  font-family: var(--font-en); font-size: clamp(40px, 6vw, 64px);
  font-weight: 700; color: var(--primary); line-height: 1.1;
}
.results-unit {
  font-family: var(--font-en); font-size: clamp(18px, 3vw, 28px);
  font-weight: 600; color: var(--accent);
}
.results-label { font-size: 13px; color: var(--text-light); margin-top: 8px; }

/* ========================================
   Knowledge
   ======================================== */
.knowledge { background: var(--bg); }
.knowledge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.knowledge-card {
  background: var(--bg-white); border-radius: var(--radius-card);
  overflow: hidden; border: 1px solid var(--border);
  transition: var(--transition);
}
.knowledge-card:hover { opacity: 0.7; }
.knowledge-thumb { height: 180px; background: linear-gradient(135deg, #E8D5B7 0%, #d0c4af 100%); }
.knowledge-body { padding: 20px 24px; }
.knowledge-date { font-size: 12px; color: var(--text-light); font-family: var(--font-en); }
.knowledge-heading {
  font-size: 15px; font-weight: 600; line-height: 1.7; margin-top: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ========================================
   About
   ======================================== */
.about { background: var(--bg-white); }
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-text p { font-size: 15px; line-height: 2; margin-bottom: 16px; color: var(--text-light); }
.about-table { width: 100%; border-collapse: collapse; }
.about-table th, .about-table td {
  padding: 16px 0; border-bottom: 1px solid var(--border);
  font-size: 14px; text-align: left; vertical-align: top;
}
.about-table th { width: 120px; font-weight: 600; color: var(--primary); }

/* ========================================
   CTA Section
   ======================================== */
.cta-section { background: var(--primary); padding: 100px 0; }
.cta-inner { text-align: center; }
.cta-label {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.2em; margin-bottom: 12px;
}
.cta-title {
  font-size: clamp(22px, 3.5vw, 32px); font-weight: 700; color: #fff;
  margin-bottom: 16px; letter-spacing: 0.02em;
}
.cta-desc { color: rgba(255,255,255,0.7); font-size: 15px; margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========================================
   Footer
   ======================================== */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 64px 0 32px; }
.footer-inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.footer-top { display: flex; justify-content: space-between; gap: 48px; margin-bottom: 48px; }
.footer-brand { flex-shrink: 0; }
.footer-logo .logo-mark { background: rgba(255,255,255,0.15); }
.footer-logo .logo-text { color: #fff; }
.footer-tagline { font-size: 13px; margin-top: 16px; color: rgba(255,255,255,0.5); }
.footer-nav { display: flex; gap: 64px; }
.footer-nav-group h4 {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.1em; margin-bottom: 16px;
}
.footer-nav-group a {
  display: block; font-size: 13px; color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
}
.footer-nav-group a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }

/* ========================================
   Fade-in animation
   ======================================== */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* SP only */
.sp-only { display: none; }

/* ========================================
   Page Hero (sub pages)
   ======================================== */
.page-hero {
  padding: 140px 0 64px; background: var(--bg); text-align: center;
}
.page-hero-label {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.2em; margin-bottom: 12px;
}
.page-hero-title {
  font-size: clamp(26px, 4vw, 40px); font-weight: 700;
  color: var(--primary); margin-bottom: 16px; letter-spacing: 0.02em;
}
.page-hero-desc { font-size: 15px; color: var(--text-light); line-height: 2; }

/* ========================================
   Service List Page
   ======================================== */
.service-list-section { background: var(--bg-white); }
.service-detail-card {
  padding: 48px; background: var(--bg); border-radius: var(--radius-card);
  margin-bottom: 24px; border: 1px solid var(--border);
  transition: var(--transition);
}
.service-detail-card:hover { border-color: var(--accent); }
.service-detail-num {
  font-family: var(--font-en); font-size: 13px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.1em; margin-bottom: 8px;
}
.service-detail-name {
  font-size: 22px; font-weight: 700; color: var(--primary); margin-bottom: 16px;
}
.service-detail-desc {
  font-size: 15px; color: var(--text-light); line-height: 2; margin-bottom: 20px;
}
.service-detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag {
  display: inline-block; padding: 4px 14px; border-radius: var(--radius);
  font-size: 12px; font-weight: 500; background: var(--bg-white);
  border: 1px solid var(--border); color: var(--text-light);
}
.tag-active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========================================
   Service Detail Pages (Problem / Solution / Flow)
   ======================================== */
.problem-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.problem-card {
  padding: 28px 24px; background: var(--bg); border-radius: var(--radius-card);
  display: flex; gap: 16px; align-items: flex-start;
}
.problem-icon {
  font-family: var(--font-en); font-size: 14px; font-weight: 700;
  color: var(--accent); flex-shrink: 0; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--accent); border-radius: 50%;
}
.problem-card p { font-size: 14px; line-height: 1.8; color: var(--text); }

.solution-list { max-width: 720px; }
.solution-item {
  display: flex; gap: 24px; padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.solution-item:first-child { padding-top: 0; }
.solution-num {
  font-family: var(--font-en); font-size: 24px; font-weight: 700;
  color: var(--accent); flex-shrink: 0; line-height: 1;
}
.solution-body h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.solution-body p { font-size: 14px; color: var(--text-light); line-height: 1.9; }

.flow-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flow-item {
  padding: 32px 24px; background: var(--bg); border-radius: var(--radius-card);
  text-align: center;
}
.flow-step {
  font-family: var(--font-en); font-size: 12px; font-weight: 600;
  color: var(--accent); letter-spacing: 0.1em; margin-bottom: 12px;
}
.flow-item h3 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.flow-item p { font-size: 13px; color: var(--text-light); line-height: 1.8; }

/* ========================================
   About Page
   ======================================== */
.about-mv-block { max-width: 680px; }
.about-mv-heading {
  font-size: clamp(22px, 3vw, 30px); font-weight: 700; color: var(--primary);
  line-height: 1.6; margin-bottom: 16px;
}
.about-mv-text { font-size: 15px; color: var(--text-light); line-height: 2; }

.reason-list { max-width: 720px; }
.reason-item {
  display: flex; gap: 24px; padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.reason-item:first-child { padding-top: 0; }
.reason-num {
  font-family: var(--font-en); font-size: 24px; font-weight: 700;
  color: var(--accent); flex-shrink: 0; line-height: 1;
}
.reason-body h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.reason-body p { font-size: 14px; color: var(--text-light); line-height: 1.9; }

.representative-block { max-width: 680px; }
.representative-text p { font-size: 15px; color: var(--text-light); line-height: 2; margin-bottom: 16px; }
.representative-name { font-weight: 700; color: var(--primary); margin-top: 24px; }

/* ========================================
   Works Page
   ======================================== */
.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.works-card {
  background: var(--bg-white); border-radius: var(--radius-card);
  overflow: hidden; border: 1px solid var(--border); transition: var(--transition);
}
.works-card:hover { border-color: var(--accent); }
.works-thumb { height: 200px; }
.works-body { padding: 24px; }
.works-tags { display: flex; gap: 8px; margin-bottom: 12px; }
.works-title { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.6; }
.works-result { font-size: 14px; color: var(--accent); font-weight: 600; }

/* ========================================
   Knowledge Page
   ======================================== */
.knowledge-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

/* ========================================
   Company Page
   ======================================== */
.company-table-wrap { max-width: 720px; margin: 0 auto; }
.company-table { width: 100%; border-collapse: collapse; }
.company-table th, .company-table td {
  padding: 20px 0; border-bottom: 1px solid var(--border);
  font-size: 15px; text-align: left; vertical-align: top;
}
.company-table th { width: 140px; font-weight: 600; color: var(--primary); }
.company-table td { color: var(--text-light); }

.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.philosophy-item {
  padding: 36px 28px; background: var(--bg-white); border-radius: var(--radius-card);
  border: 1px solid var(--border);
}
.philosophy-item h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.philosophy-item p { font-size: 14px; color: var(--text-light); line-height: 1.9; }

/* ========================================
   Contact Page
   ======================================== */
.contact-form-wrap { max-width: 640px; margin: 0 auto; }
.contact-form { }
.form-group { margin-bottom: 28px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }
.required { color: var(--accent); font-size: 12px; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group textarea {
  width: 100%; padding: 14px 16px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 15px; font-family: var(--font-ja);
  background: var(--bg); transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary); background: #fff;
}
.form-group textarea { resize: vertical; min-height: 140px; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.checkbox-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 14px; color: var(--text); cursor: pointer;
}
.checkbox-label input { accent-color: var(--primary); }

/* ========================================
   Privacy Page
   ======================================== */
.privacy-content { max-width: 720px; margin: 0 auto; }
.privacy-content h2 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 24px; }
.privacy-content h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-top: 32px; margin-bottom: 12px; }
.privacy-content p { font-size: 14px; color: var(--text-light); line-height: 2; margin-bottom: 8px; }
.privacy-content ul { padding-left: 20px; margin-bottom: 16px; }
.privacy-content li { font-size: 14px; color: var(--text-light); line-height: 2; }
.privacy-content a { color: var(--accent); text-decoration: underline; }
.privacy-date { margin-top: 40px; font-size: 13px; color: var(--text-light); }

/* ========================================
   Article Page
   ======================================== */
.article-wrap { max-width: 720px; margin: 0 auto; }
.article-meta {
  display: flex; align-items: center; gap: 16px; margin-bottom: 32px;
  flex-wrap: wrap;
}
.article-meta time { font-family: var(--font-en); font-size: 13px; color: var(--text-light); }
.article-meta .tag { font-size: 11px; }
.article-body { }
.article-body h2 {
  font-size: 20px; font-weight: 700; color: var(--primary);
  margin-top: 48px; margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-light);
}
.article-body h3 {
  font-size: 17px; font-weight: 700; color: var(--primary);
  margin-top: 32px; margin-bottom: 12px;
}
.article-body p {
  font-size: 15px; color: var(--text); line-height: 2.1;
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  padding-left: 24px; margin-bottom: 20px;
}
.article-body li {
  font-size: 15px; color: var(--text); line-height: 2.1;
  margin-bottom: 6px;
}
.article-body strong { color: var(--primary); }
.article-body blockquote {
  border-left: 3px solid var(--accent); padding: 16px 24px;
  margin: 24px 0; background: var(--bg); border-radius: 0 8px 8px 0;
}
.article-body blockquote p { color: var(--text-light); margin-bottom: 0; font-size: 14px; }
.article-body .data-box {
  background: var(--bg); border-radius: var(--radius-card);
  padding: 24px 28px; margin: 24px 0; border: 1px solid var(--border);
}
.article-body .data-box p { font-size: 14px; margin-bottom: 8px; }
.article-body .data-box strong { color: var(--accent); }
.article-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--border);
}
.article-nav a { font-size: 14px; color: var(--accent); font-weight: 600; }
.article-nav a:hover { opacity: 0.7; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav {
    position: fixed; top: 0; right: -100%; width: 80%; height: 100vh;
    background: var(--bg); flex-direction: column; justify-content: center;
    gap: 24px; padding: 40px; transition: right 0.3s ease;
    box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  }
  .nav.open { right: 0; }
  .nav-link { font-size: 16px; }
  .btn-nav { width: 100%; text-align: center; }

  .mv { min-height: 90vh; padding: 100px 24px 60px; }
  .mv-title { font-size: 28px; }
  .mv-desc { font-size: 14px; }

  .section { padding: 64px 0; }
  .section-title { margin-bottom: 32px; }

  .value-grid { grid-template-columns: 1fr; gap: 16px; }
  .value-card { padding: 32px 20px; }

  .service-grid { grid-template-columns: 1fr; }
  .service-card { padding: 28px 24px; }

  .results-numbers { gap: 40px; }

  .knowledge-grid { grid-template-columns: 1fr; }

  .about-content { grid-template-columns: 1fr; gap: 32px; }

  .footer-top { flex-direction: column; gap: 32px; }
  .footer-nav { gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .sp-only { display: inline; }

  /* Sub pages responsive */
  .page-hero { padding: 110px 0 48px; }
  .service-detail-card { padding: 28px 24px; }
  .problem-grid { grid-template-columns: 1fr; }
  .flow-list { grid-template-columns: 1fr 1fr; gap: 16px; }
  .works-grid { grid-template-columns: 1fr; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 16px; }
  .reason-item, .solution-item { flex-direction: column; gap: 8px; }
  .representative-block { flex-direction: column !important; }
  .representative-photo { width: 200px !important; margin: 0 auto; }
}