/* STOREVANCE - メインスタイル */
/* ======================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:root {
  --primary: #0D2840;
  --primary-light: #1a365d;
  --secondary: #2d5a7b;
  --accent: #0D2840;
  --text: #1a1a1a;
  --text-light: #5a5a5a;
  --bg-gray: #F7F8FA;
  --white: #FFFFFF;
  --border: #E5E7EB;
  --gradient-primary: linear-gradient(135deg, #0D2840 0%, #1a365d 100%);
  --gradient-kv: transparent;
  --container-width: 1200px;
  --section-padding: 120px;
  --section-padding-sp: 80px;
  --font-main: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-btn: 6px;
  --radius-card: 8px;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--text);
  line-height: 1.8;
  background: var(--bg-gray);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

/* ======================================== */
/* ヘッダー */
/* ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-en);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-list a {
  font-weight: 500;
  color: var(--text);
}

.nav-list a:hover {
  color: var(--primary);
}

.nav-cta a {
  display: inline-block;
  padding: 12px 24px;
  background: var(--primary);
  color: var(--white) !important;
  border-radius: var(--radius-btn);
  font-weight: 600;
}

.nav-cta a:hover {
  opacity: 0.9;
  -webkit-transform: translateY(-2px);
  -ms-transform: translateY(-2px);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  aria-label: "メニューを開く";
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  -webkit-transform: translateY(8px) rotate(45deg);
  -ms-transform: translateY(8px) rotate(45deg);
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  -webkit-transform: translateY(-8px) rotate(-45deg);
  -ms-transform: translateY(-8px) rotate(-45deg);
  transform: translateY(-8px) rotate(-45deg);
}

/* ======================================== */
/* KVセクション（Fivot風：ミニマル・白基調） */
/* ======================================== */
.kv {
  min-height: 100vh;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 20px 80px;
}

.kv-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
}

.kv-shape {
  position: absolute;
  border-radius: 0;
  opacity: 0;
  animation: none;
}

.kv-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.kv-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  color: var(--text);
  letter-spacing: -0.02em;
  animation: fadeIn 1s ease-out;
}

.kv-subtitle {
  font-size: 24px;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 48px;
  letter-spacing: 0.02em;
  animation: fadeIn 1s ease-out 0.2s both;
}

.kv-cta {
  animation: fadeIn 1s ease-out 0.4s both;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
  animation: scroll-down 2s ease-in-out infinite;
}

.scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-light);
  border-radius: 4px;
  position: relative;
}

.scroll-indicator span::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    -webkit-transform: translateY(20px);
    -ms-transform: translateY(20px);
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
  }
}

/* ======================================== */
/* ボタン（四角寄り・Fivot風） */
/* ======================================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 15px;
  text-align: center;
  border: none;
  cursor: pointer;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-light);
  -webkit-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(13, 40, 64, 0.06);
  -webkit-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

/* ======================================== */
/* セクション共通 */
/* ======================================== */
.section {
  padding: var(--section-padding) 0;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 40px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 64px;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* ======================================== */
/* スワイプ型LP強調セクション */
/* ======================================== */
.swipe-lp-section {
  background: var(--white);
}

.swipe-lp-section .section-title {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.feature-card {
  padding: 36px 28px;
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  -webkit-transform: translateY(-2px);
  -ms-transform: translateY(-2px);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

.swipe-lp-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ======================================== */
/* サービス一覧セクション */
/* ======================================== */
.services-section {
  background: var(--bg-gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.service-card:hover {
  -webkit-transform: translateY(-4px);
  -ms-transform: translateY(-4px);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.service-card.featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  align-items: center;
}

.service-card.featured .service-card-image {
  min-height: 320px;
}

.service-card-image {
  height: 200px;
  background: var(--bg-gray);
  position: relative;
}

.service-card.featured .service-card-image {
  height: auto;
}

.service-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  letter-spacing: 0.5px;
}

.service-card-body {
  padding: 28px;
}

.service-card.featured .service-card-body {
  padding: 40px;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.service-card.featured .service-card h3 {
  font-size: 28px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.8;
}

.service-card .btn {
  font-size: 14px;
  padding: 12px 28px;
}

/* ======================================== */
/* Aboutセクション */
/* ======================================== */
.about-section {
  background: var(--white);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text);
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 2;
}

.about-image {
  aspect-ratio: 1200 / 800;
  background: var(--bg-gray);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ======================================== */
/* お知らせセクション */
/* ======================================== */
.news-section {
  background: var(--bg-gray);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 40px;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.news-item:hover {
  background: rgba(255, 255, 255, 0.6);
}

.news-item a {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  flex-wrap: wrap;
}

.news-date {
  font-size: 14px;
  color: var(--text-light);
  min-width: 100px;
}

.news-category {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-gray);
  border-radius: var(--radius-btn);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  min-width: 80px;
  text-align: center;
}

.news-title {
  font-weight: 500;
  color: var(--text);
  flex: 1;
  min-width: 0;
}

.news-section .btn-outline {
  display: block;
  text-align: center;
  max-width: 280px;
  margin: 0 auto;
}

/* ======================================== */
/* ページヘッダー（サブページ共通） */
/* ======================================== */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  background: var(--bg-gray);
}

.page-header--blog {
  padding: 160px 0 60px;
}

.page-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 16px;
  letter-spacing: 1px;
  color: var(--text-light);
}

/* ======================================== */
/* ブログ（オウンドメディア）セクション */
/* ======================================== */
.blog-section {
  background: var(--bg-gray);
  padding-bottom: 120px;
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}

.blog-list.is-loaded {
  min-height: auto;
}

.blog-loading,
.blog-error {
  text-align: center;
  color: var(--text-light);
  padding: 48px 20px;
}

.blog-error {
  color: #b91c1c;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  overflow: hidden;
  -webkit-transition: var(--transition);
  -o-transition: var(--transition);
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  -webkit-transform: translateY(-2px);
  -ms-transform: translateY(-2px);
  transform: translateY(-2px);
}

.blog-card__link {
  display: block;
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
}

.blog-card__date {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.blog-card__category {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-gray);
  border-radius: var(--radius-btn);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 12px;
}

.blog-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--text);
}

.blog-card__excerpt {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin: 0;
}

.blog-section__more {
  text-align: center;
  margin-top: 24px;
}

.blog-empty {
  text-align: center;
  color: var(--text-light);
  padding: 48px 20px;
  font-size: 16px;
}

.blog-section__heading {
  font-size: 22px;
  font-weight: 700;
  margin: 48px 0 24px;
  color: var(--text);
}

.blog-section__heading:first-of-type {
  margin-top: 0;
}

.blog-archive {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* ブログ詳細 */
.blog-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 160px 20px 120px;
}

.blog-detail__inner {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 48px 40px;
  border: 1px solid var(--border);
}

.blog-detail__loading,
.blog-detail__error {
  text-align: center;
  color: var(--text-light);
  padding: 48px 20px;
}

.blog-detail__error {
  color: #b91c1c;
}

.blog-detail__date {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.blog-detail__category-wrap {
  margin-bottom: 16px;
}

.blog-detail__category {
  display: inline-block;
  padding: 4px 10px;
  background: var(--bg-gray);
  border-radius: var(--radius-btn);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
}

.blog-detail__title {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 32px;
  color: var(--text);
}

.blog-detail__body {
  line-height: 2;
  color: var(--text);
}

.blog-detail__body h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.blog-detail__body p {
  margin-bottom: 16px;
}

.blog-detail__body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  margin: 24px 0;
}

.blog-detail__back {
  margin-top: 40px;
  text-align: center;
}

/* トップ用：最新ブログ一覧（カード横並び） */
.index-blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.index-blog-list .blog-card__title {
  font-size: 16px;
}

@media (max-width: 768px) {
  .page-header { padding: 120px 0 60px; }
  .blog-list { grid-template-columns: 1fr; }
  .blog-detail__inner { padding: 32px 20px; }
}

/* ======================================== */
/* Final CTAセクション（Fivot風・ネイビー単色） */
/* ======================================== */
.cta-section {
  background: var(--primary);
  padding: var(--section-padding) 0;
  text-align: center;
}

.cta-section .section-title {
  color: var(--white);
  margin-bottom: 40px;
}

.cta-section .btn {
  background: var(--white);
  color: var(--primary);
  font-size: 16px;
  padding: 14px 40px;
  border-radius: var(--radius-btn);
}

.cta-section .btn:hover {
  opacity: 0.95;
  -webkit-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ======================================== */
/* フッター（Fivot風・ネイビー） */
/* ======================================== */
.footer {
  background: var(--primary);
  color: var(--white);
  padding: 80px 0 40px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  margin-bottom: 60px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  font-family: var(--font-en);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-nav h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.5px;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 12px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-copy {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ======================================== */
/* スクロールフェードアニメーション */
/* ======================================== */
.scroll-fade {
  opacity: 0;
  -webkit-transform: translateY(40px);
  -ms-transform: translateY(40px);
  transform: translateY(40px);
  -webkit-transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  -o-transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-fade.visible {
  opacity: 1;
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
}

/* ======================================== */
/* レスポンシブ */
/* ======================================== */
@media (max-width: 1024px) {
  .feature-grid {
    gap: 24px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card.featured {
    grid-column: span 2;
  }

  .about-inner {
    gap: 48px;
  }

  .section-title {
    font-size: 40px;
    margin-bottom: 60px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .kv-title {
    font-size: 36px;
  }

  .nav-list {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 32px;
    gap: 24px;
    box-shadow: var(--shadow-lg);
  }

  .nav-list.is-open {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .kv-subtitle {
    font-size: 18px;
    margin-bottom: 32px;
  }

  .section {
    padding: var(--section-padding-sp) 0;
  }

  .section-title {
    font-size: 32px;
    margin-bottom: 48px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    margin-bottom: 32px;
  }

  .feature-card {
    padding: 28px 24px;
  }

  .swipe-lp-cta {
    flex-direction: column;
  }

  .swipe-lp-cta .btn {
    width: 100%;
  }

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

  .service-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .service-card.featured .service-card-body {
    padding: 28px;
  }

  .service-card.featured .service-card h3 {
    font-size: 22px;
  }

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

  .about-text h2 {
    font-size: 28px;
  }

  .news-item a {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-main {
    margin-bottom: 40px;
  }
}