/* ===========================
   ぽむデザイン事務所 - メインスタイル
   =========================== */

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

/* CSS変数 */
:root {
  --primary: #1565C0;
  --primary-light: #1E88E5;
  --primary-dark: #0D47A1;
  --primary-bg: #E3F2FD;
  --accent: #29B6F6;
  --line-green: #00B900;
  --white: #FFFFFF;
  --bg: #F5F9FF;
  --text: #2C2C2C;
  --text-light: #666666;
  --border: #DDEEFF;
  --shadow: 0 4px 20px rgba(21, 101, 192, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

/* リセット */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans JP', 'Yu Gothic', '游ゴシック', 'Hiragino Sans', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

ul { list-style: none; }

/* ===========================
   ヘッダー
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 2px solid var(--primary-bg);
  box-shadow: 0 2px 12px rgba(21,101,192,0.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* ロゴ */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-hex {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .en {
  font-size: 11px;
  color: var(--primary-light);
  letter-spacing: 2px;
  font-weight: 500;
  text-transform: lowercase;
}

.logo-text .ja {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 0.5px;
}

/* ナビゲーション */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.2s;
}

.site-nav a:hover {
  background: var(--primary-bg);
}

.site-nav a .nav-icon {
  font-size: 18px;
}

.site-nav a .nav-ja {
  font-size: 11px;
  color: var(--text);
  font-weight: 500;
}

.site-nav a .nav-en {
  font-size: 9px;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

.nav-contact-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 10px 18px !important;
  border-radius: 6px !important;
  font-size: 13px;
  font-weight: 700;
  margin-left: 8px;
  text-decoration: none;
  transition: background 0.2s !important;
}

.nav-contact-btn:hover {
  background: var(--primary-dark) !important;
}

.nav-contact-btn .nav-ja,
.nav-contact-btn .nav-en {
  color: var(--white) !important;
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* モバイルナビ */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 2px solid var(--primary-bg);
  padding: 16px 20px;
  z-index: 999;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav .line-btn-mobile {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--line-green);
  color: white !important;
  padding: 14px !important;
  border-radius: 8px;
  font-weight: 700;
  margin-top: 12px;
  border-bottom: none !important;
}

/* ===========================
   LINE固定ボタン
   =========================== */
.line-fixed-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--line-green);
  color: white;
  padding: 14px 20px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(0, 185, 0, 0.4);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.line-fixed-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 185, 0, 0.5);
}

.line-fixed-btn svg {
  width: 24px;
  height: 24px;
}

/* ===========================
   セクション共通
   =========================== */
.section {
  padding: 80px 20px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.section-title .en {
  font-size: 13px;
  color: var(--primary-light);
  letter-spacing: 3px;
  font-weight: 500;
  text-transform: uppercase;
}

.section-title .line-accent {
  display: inline-block;
  width: 40px;
  height: 3px;
  background: var(--primary-light);
  border-radius: 2px;
  margin: 12px auto 0;
}

/* ===========================
   ヒーローセクション (index)
   =========================== */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  padding: 0;
  overflow: hidden;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

/* ポートフォリオグリッド（ヒーロー左） */
.hero-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 8px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
}

.portfolio-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 1;
}

.portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.25) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

/* ヒーローコピー（右） */
.hero-copy {
  color: white;
}

.hero-copy .catch {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.hero-copy .sub {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255,255,255,0.9);
  margin-bottom: 36px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--primary) !important;
  padding: 16px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: white !important;
  padding: 16px 28px;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.7);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
}

/* ===========================
   選ばれる理由
   =========================== */
.reasons {
  background: var(--bg);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reason-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(21,101,192,0.18);
}

.reason-card .icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.reason-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

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

/* ===========================
   サービス概要
   =========================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.service-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}

.service-card .icon {
  font-size: 40px;
  margin-bottom: 14px;
}

.service-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 13px;
  color: var(--text-light);
}

.service-card .arrow {
  display: inline-block;
  margin-top: 12px;
  color: var(--primary-light);
  font-size: 20px;
}

/* ===========================
   LINEバナー
   =========================== */
.line-banner {
  background: linear-gradient(135deg, #00B900 0%, #00C800 100%);
  padding: 60px 20px;
}

.line-banner-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  color: white;
}

.line-banner h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.line-banner p {
  font-size: 16px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: white;
  color: #00B900 !important;
  padding: 18px 40px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.btn-line svg {
  width: 28px;
  height: 28px;
}

/* ===========================
   ポートフォリオギャラリー（index用preview）
   =========================== */
.portfolio-preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.portfolio-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--primary-bg);
  position: relative;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--primary-light);
  background: linear-gradient(135deg, var(--primary-bg) 0%, #D0E8FF 100%);
}

.portfolio-item-placeholder span {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 8px;
}

/* ===========================
   料金表ページ
   =========================== */
.price-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  padding: 60px 20px;
  color: white;
  text-align: center;
}

.price-hero .campaign-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.5);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
}

.price-hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.price-hero p {
  font-size: 16px;
  opacity: 0.9;
}

.price-table-wrap {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
}

.price-table th {
  background: var(--primary);
  color: white;
  padding: 16px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 14px;
}

.price-table th:last-child,
.price-table td:last-child {
  text-align: right;
}

.price-table th:nth-child(3) {
  background: #E65100;
  text-align: right;
}

.price-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}

.price-table tr:last-child td {
  border-bottom: none;
}

.price-table tr:nth-child(even) td {
  background: var(--bg);
}

.price-table .item-name {
  font-weight: 700;
  color: var(--primary-dark);
}

.price-table .item-name .desc {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-light);
  margin-top: 2px;
}

.price-original {
  color: var(--text-light);
  text-decoration: line-through;
  font-size: 13px;
}

.price-campaign {
  color: #E65100;
  font-weight: 700;
  font-size: 17px;
}

/* 特典カード */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.benefit-card {
  background: white;
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.benefit-card .b-icon {
  font-size: 36px;
  flex-shrink: 0;
}

.benefit-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===========================
   制作の流れページ
   =========================== */
.flow-steps {
  position: relative;
}

.flow-steps::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--primary-bg));
}

.flow-step {
  display: flex;
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
}

.flow-step-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(21,101,192,0.3);
  z-index: 1;
}

.flow-step-num .step-label {
  font-size: 10px;
  letter-spacing: 1px;
  opacity: 0.8;
}

.flow-step-num .step-n {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.flow-step-content {
  flex: 1;
  background: white;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-top: 8px;
}

.flow-step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.flow-step-content p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.9;
}

/* ===========================
   ポートフォリオページ
   =========================== */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: 50px;
  border: 2px solid var(--border);
  background: white;
  color: var(--text-light);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-tab.active,
.filter-tab:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: white;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--primary-bg);
  aspect-ratio: 4/3;
  position: relative;
}

.gallery-item-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.gallery-item-placeholder .label {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 8px;
  background: white;
  padding: 4px 12px;
  border-radius: 20px;
}

/* ===========================
   お問い合わせページ
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-card {
  background: white;
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.contact-card .c-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

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

.contact-card p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 24px;
  line-height: 1.8;
}

.btn-line-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--line-green);
  color: white !important;
  padding: 18px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,185,0,0.3);
  transition: transform 0.2s;
  width: 100%;
}

.btn-line-large:hover {
  transform: translateY(-2px);
}

.qr-placeholder {
  width: 140px;
  height: 140px;
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 16px auto;
  font-size: 48px;
  color: var(--text-light);
}

/* お問い合わせフォーム */
.contact-form {
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-top: 40px;
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 24px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #E53935;
  margin-left: 4px;
  font-size: 12px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
  transition: border-color 0.2s;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.2s;
}

.btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* ===========================
   ポリシーボックス
   =========================== */
.policy-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
}

.policy-box h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-bg);
}

.policy-box ul li {
  font-size: 14px;
  color: var(--text-light);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.7;
}

.policy-box ul li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--primary-light);
}

/* ===========================
   フッター
   =========================== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 20px 20px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-brand .name {
  color: white;
  font-size: 18px;
  font-weight: 700;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,0.7);
}

.footer-nav h4 {
  color: white;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.footer-nav a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  padding: 5px 0;
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* ===========================
   お知らせバナー
   =========================== */
.notice-bar {
  background: #FFF3E0;
  border-bottom: 2px solid #FFB300;
  padding: 10px 20px;
  text-align: center;
  font-size: 13px;
  color: #E65100;
  font-weight: 700;
}

.notice-bar span {
  background: #E65100;
  color: white;
  padding: 2px 10px;
  border-radius: 4px;
  margin-right: 8px;
  font-size: 12px;
}

/* ===========================
   ページヘッダー（各ページ共通）
   =========================== */
.page-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  padding: 60px 20px;
  text-align: center;
  color: white;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header .page-en {
  font-size: 13px;
  letter-spacing: 3px;
  opacity: 0.8;
  text-transform: uppercase;
}

/* ===========================
   レスポンシブ
   =========================== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-portfolio-grid {
    max-width: 360px;
    margin: 0 auto;
  }

  .hero-btns {
    justify-content: center;
  }

  .hero-copy .catch {
    font-size: 32px;
  }

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

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

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

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

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

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

  .site-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .flow-steps::before {
    left: 32px;
  }

  .flow-step-num {
    width: 64px;
    height: 64px;
  }

  .price-table td,
  .price-table th {
    padding: 12px 10px;
    font-size: 13px;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 60px 16px;
  }

  .section-title h2 {
    font-size: 22px;
  }

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

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

  .hero-copy .catch {
    font-size: 26px;
  }

  .line-banner h2 {
    font-size: 20px;
  }

  .btn-line {
    font-size: 16px;
    padding: 16px 28px;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .price-table .price-campaign {
    font-size: 15px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }
}

/* ===========================
   ユーティリティ
   =========================== */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mt-24 { margin-top: 24px; }
.mb-24 { margin-bottom: 24px; }

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  background: var(--primary-bg);
  color: var(--primary);
}

.highlight-box {
  background: linear-gradient(135deg, #E3F2FD 0%, #F0F8FF 100%);
  border: 2px solid var(--primary-bg);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.highlight-box p {
  font-size: 15px;
  line-height: 1.9;
}