@charset "utf-8";

/*================================================
 7月夏祭りキャンペーン2025用 - 夏祭りテーマ
=================================================*/
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  color: #333333;
  font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  background: #2E538B;
  background-image: url(../image/bg.png);
  background-size: 35%;
  background-attachment: fixed;
  background-repeat: repeat-x, repeat-x;
  background-position: top left, bottom right;
  overflow-x: hidden;
  /* 横スクロール防止 */
  line-height: 1.6;
  width: 100%;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
  border: 0;
}

@media screen and (min-width: 768px) {
  .br-sp {
    display: none;
  }
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

.clear {
  clear: both;
}

/* === レイアウトコンテナ === */
.content {
  width: 800px;
  max-width: 100%;
  margin: 0 auto;
  background: #fff;
  padding: 0;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(43, 76, 140, 0.3);
  position: relative;
}

/* === 提灯と花火の装飾要素 === */
.lantern {
  position: absolute;
  width: 40px;
  height: 60px;
  background: linear-gradient(to bottom, #FF6B6B, #FF4757);
  border-radius: 50% 50% 60% 60%;
  pointer-events: none;
  z-index: 1;
}

.lantern::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 5px;
  background: #FFD93D;
  top: -5px;
  left: 0;
}

.lantern::after {
  content: '';
  position: absolute;
  width: 2px;
  height: 15px;
  background: #666;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.lantern-1 {
  top: 150px;
  left: 30px;
  transform: rotate(-10deg);
  animation: lanternSwing 4s ease-in-out infinite;
}

.lantern-2 {
  top: 350px;
  right: 40px;
  background: linear-gradient(to bottom, #FF9F43, #FF7838);
  transform: rotate(5deg);
  animation: lanternSwing 5s ease-in-out infinite;
  animation-delay: 1s;
}

.lantern-3 {
  top: 550px;
  left: 60px;
  background: linear-gradient(to bottom, #F368E0, #EE5A6F);
  transform: rotate(-5deg);
  animation: lanternSwing 6s ease-in-out infinite;
  animation-delay: 2s;
}

.firework {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #FFD93D;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

.firework::before,
.firework::after {
  content: '';
  position: absolute;
  width: 2px;
  height: 20px;
  background: linear-gradient(to bottom, #FFD93D, transparent);
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.firework-1 {
  top: 200px;
  right: 100px;
  animation: fireworkBurst 3s ease-out infinite;
}

.firework-2 {
  top: 400px;
  left: 150px;
  animation: fireworkBurst 4s ease-out infinite;
  animation-delay: 1.5s;
}

@keyframes lanternSwing {
  0%, 100% {
    transform: rotate(-10deg) translateY(0);
  }

  50% {
    transform: rotate(10deg) translateY(-10px);
  }
}

@keyframes fireworkBurst {
  0% {
    transform: scale(0);
    opacity: 1;
  }

  50% {
    transform: scale(1.5);
    opacity: 0.8;
  }

  100% {
    transform: scale(3);
    opacity: 0;
  }
}

/* === トップバナー === */
.top-banner {
  width: 100%;
  margin: 0;
  padding: 0;
  position: relative;
  overflow: hidden;
  border-radius: 15px 15px 0 0;
  line-height: 0;
  font-size: 0;
}

.top-banner img {
  width: 100%;
  display: block;
  margin: 0;
  padding: 0;
}

/* === 下向き三角だけの装飾 === */
.triangle-arrow {
  position: relative;
  height: 20px;
  margin: 0;
  text-align: center;
}

.triangle-arrow::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 15px solid #FF6B6B;
}

/* === スペーサー === */
.space10 {
  height: 10px;
  clear: both;
  margin: 0;
  padding: 0;
}

.space20 {
  height: 20px;
  clear: both;
  margin: 0;
  padding: 0;
}

@media screen and (max-width: 800px) {
  html {
    font-size: 14px;
  }

  .content {
    width: 95%;
  }

  .space10 {
    height: 5px;
  }

  .space20 {
    height: 10px;
  }

  .lantern {
    width: 30px;
    height: 45px;
  }
}

/* === テキストスタイル === */
.highlight-blue {
  background: linear-gradient(transparent 70%, #FFE4B5 30%);
  font-weight: bold;
  color: #2B4C8C;
}

.highlight-green {
  background: linear-gradient(transparent 70%, #98FB98 30%);
  font-weight: bold;
  color: #228B22;
}

.highlight-yellow {
  background: linear-gradient(transparent 70%, #FFD700 30%);
  font-weight: bold;
  color: #FF6347;
}

.highlight-rainbow {
  background: linear-gradient(45deg, #FF6B6B, #FF9F43, #FFD93D, #5CD85A, #08B2E3);
  background-size: 400% 400%;
  animation: rainbow-gradient 3s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: bold;
  font-size: 1.8rem;
  line-height: 1.3;
}

@keyframes rainbow-gradient {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.strike {
  text-decoration: line-through;
  color: #666;
}

/* プレミアムクーポン強調 */
.premium-coupon-highlight {
  color: #DC143C !important;
  background: linear-gradient(transparent 70%, #FFB6C1 30%) !important;
  font-weight: 900 !important;
  font-size: 1.3em !important;
  text-shadow: 1px 1px 2px rgba(220, 20, 60, 0.3) !important;
}

/* === 見出し === */
h2, .section-title {
  font-size: 1.8rem;
  font-weight: bold;
  background: linear-gradient(to right, #FF6B6B, #FF8E53);
  color: white;
  text-align: center;
  padding: 15px;
  border-radius: 50px;
  margin: 30px auto;
  width: 90%;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

h2::before, .section-title::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0) 70%);
  animation: shine 3s infinite linear;
  z-index: -1;
}

@keyframes shine {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* === h2_bannerクラス（セクションタイトル画像） === */
.h2_banner {
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: 0;
  font-size: 0;
  display: block;
  overflow: hidden;
}

.h2_banner img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0;
  padding: 0;
  vertical-align: bottom;
  border: none;
}

/* === プレフェイス部分 === */
.preface {
  width: 90%;
  margin: 25px auto;
  background: #fff;
  padding: 25px 20px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  border: 2px solid #FFB366;
}

.preface-heading {
  margin-bottom: 25px;
}

.preface-heading h2 {
  font-size: 1.8rem;
  font-weight: bold;
  color: #FF6B6B;
  text-align: center;
  padding: 0 0 15px 0;
  margin: 0 0 20px 0;
  border-bottom: 3px solid #FFB366;
  border-radius: 0;
  background: none;
  width: 100%;
  box-shadow: none;
}

.preface-heading h2::before {
  display: none;
}

.preface-text {
  font-size: 1rem;
  line-height: 2;
  color: #333;
}

.preface-text p {
  margin-bottom: 20px;
}

.preface-text p:last-child {
  margin-bottom: 0;
}

/* === トップリスト === */
.toplist {
  width: 95%;
  margin: 0 auto 30px;
}

.toplist_box {
  width: 100%;
  min-height: 70px;
  background: #FFF5EE;
  border-radius: 15px;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  box-shadow: 0 3px 10px rgba(255, 107, 107, 0.1);
  margin-bottom: 15px;
  cursor: pointer;
  position: relative;
  border: 1px solid #FFB366;
  overflow: hidden;
}

.toplist_box:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.2);
  background: #FFE4E1;
}

.toplist_box h5 {
  border-radius: 15px 0 0 15px;
  background: #FF6B6B;
  width: 83px;
  min-height: 84px;
  color: #fff;
  text-align: center;
  font-size: 1.5rem;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.toplist_box h5::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(255, 255, 255, 0) 100%);
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.toplist_box p {
  color: #333;
  flex: 1;
  padding: 15px 50px 15px 20px;
  font-size: 1.2rem;
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
}

.toplist_box::after {
  content: "›";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: #FF6B6B;
  transition: transform 0.3s ease;
}

.toplist_box:hover::after {
  transform: translateY(-50%) translateX(3px);
}

.toplist a {
  text-decoration: none;
  display: block;
  width: 100%;
}

.toplist_box:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* === コンテンツブロック === */
section {
  display: block;
  margin: 0 0 40px 0;
  padding: 0;
  position: relative;
}

.overview, .overview2 {
  width: 100%;
  margin: 0;
  position: relative;
  overflow: hidden;
}

.overview {
  background: #FFF5EE;
  box-shadow: inset 0 0 20px rgba(255, 107, 107, 0.05);
}

.overview2 {
  background: #fff;
}

/* セクションコンテンツ */
.section-content {
  padding: 20px 0 30px;
  position: relative;
  z-index: 2;
  background-color: inherit;
}

.section-content::after {
  content: "";
  display: table;
  clear: both;
}

.section-content p {
  width: 90%;
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0 auto 15px;
}

/* === 7月キャンペーン専用スタイル === */
/* 厳選講座セクション */
.featured-courses {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(135deg, #FFE4E1, #FFDAB9);
  padding: 20px;
  border-radius: 15px;
  border: 2px solid #FF6B6B;
}

.featured-courses h3 {
  font-size: 1.5rem;
  color: #DC143C;
  margin-bottom: 15px;
  font-weight: bold;
}

.course-lineup {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 10px;
}

.course-item {
  background: #FF6B6B;
  color: white;
  padding: 10px 15px;
  border-radius: 25px;
  font-weight: bold;
  font-size: 1rem;
  box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
  transition: transform 0.3s ease;
}

.course-item:hover {
  transform: translateY(-2px);
}

.cashback-highlight {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(45deg, #FFD700, #FFA500);
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(255, 215, 0, 0.3);
}

.cashback-highlight h4 {
  color: white;
  font-size: 1.3rem;
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cashback-highlight_g {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(45deg, #07C160, #009955);
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(255, 215, 0, 0.3);
}

.cashback-highlight_g h4 {
  color: white;
  font-size: 1.3rem;
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.cashback-highlight_s {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: #FFCC00;
  padding: 5px;
  border-radius: 50px;
}

.cashback-highlight_s h5 {
  font-size: 1.2rem;
  margin: 0;
  font-weight: bold;
}

/* 講座詳細 */
.course-details {
  width: 90%;
  margin: 25px auto;
}

.course-detail-item {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 15px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #FF6B6B;
}

.course-detail-item h4 {
  color: #DC143C;
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-weight: bold;
}

.course-detail-item p {
  margin: 0;
  width: 100%;
  line-height: 1.6;
}

/* アーカイブ配信セクション */
.archive-highlight {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(135deg, #FFB366, #FF8E53);
  padding: 25px;
  border-radius: 15px;
  border: 2px solid #FF6347;
}

.archive-highlight h3 {
  color: #8B0000;
  font-size: 1.4rem;
  margin-bottom: 10px;
  font-weight: bold;
}

.archive-highlight h4 {
  color: #DC143C;
  font-size: 1.6rem;
  margin: 0;
  font-weight: bold;
}

/* 24時間セミナーセクション */
.seminar-24-header {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(135deg, #87CEEB, #4682B4);
  padding: 25px;
  border-radius: 15px;
  border: 2px solid #1E90FF;
}

.seminar-24-header h3 {
  color: #000080;
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: bold;
}

.seminar-24-header h4 {
  color: #0000CD;
  font-size: 1.6rem;
  margin: 0;
  font-weight: bold;
}

/* EXPOセクション */
.expo-features {
  width: 90%;
  margin: 25px auto;
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
}

.expo-features h4 {
  color: #FF6347;
  font-size: 1.3rem;
  margin-bottom: 15px;
  text-align: center;
  font-weight: bold;
}

.expo-feature-list {
  margin: 15px 0;
}

.expo-feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 10px;
  background: #FFF5EE;
  border-radius: 8px;
}

.expo-feature-item .check-icon {
  color: #FF6B6B;
  font-weight: bold;
  margin-right: 10px;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.expo-feature-item .text {
  line-height: 1.6;
  font-weight: bold;
}

.event-details {
  width: 90%;
  margin: 25px auto;
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #FF6B6B;
}

.event-details h4 {
  color: #DC143C;
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-weight: bold;
}

.event-info {
  margin: 15px 0;
}

.event-item {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  padding: 8px 0;
}

.event-item .icon {
  color: #FF6B6B;
  font-size: 1.2rem;
  margin-right: 12px;
  flex-shrink: 0;
}

.event-item .text {
  font-weight: bold;
  line-height: 1.6;
  font-size: 1.2rem;
}

/* 個別面談セクション */
.consultation-header {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(135deg, #DDA0DD, #DA70D6);
  padding: 25px;
  border-radius: 15px;
  border: 2px solid #9370DB;
}

.consultation-header h3 {
  color: #4B0082;
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: bold;
}

.consultation-header h4 {
  color: #8B008B;
  font-size: 1.6rem;
  margin: 0;
  font-weight: bold;
}

.consultation-benefits {
  width: 90%;
  margin: 25px auto;
}

.benefit-item {
  display: flex;
  align-items: center;
  background: white;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #FF6B6B;
}

.benefit-item .icon {
  font-size: 1.5rem;
  margin-right: 15px;
  flex-shrink: 0;
}

.benefit-item .text {
  line-height: 1.6;
  font-weight: bold;
  font-size: 1.2rem;
}

/* 不動産投資合宿セクション */
.realestate-header {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(135deg, #90EE90, #32CD32);
  padding: 25px;
  border-radius: 15px;
  border: 2px solid #228B22;
}

.realestate-header h3 {
  color: #006400;
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: bold;
}

.realestate-header h4 {
  color: #008000;
  font-size: 1.6rem;
  margin: 0;
  font-weight: bold;
}

.realestate-features {
  width: 90%;
  margin: 25px auto;
}

.realestate-feature-item {
  display: flex;
  align-items: center;
  background: white;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #32CD32;
}

.realestate-feature-item .icon {
  color: #228B22;
  font-size: 1.3rem;
  margin-right: 15px;
  flex-shrink: 0;
  font-weight: bold;
}

.realestate-feature-item .text {
  line-height: 1.6;
  font-weight: bold;
  font-size: 1.2rem;
}

/* 中古戸建セクション */
.house-header {
  width: 90%;
  margin: 20px auto;
  text-align: center;
  background: linear-gradient(135deg, #FFE4B5, #FFA07A);
  padding: 25px;
  border-radius: 15px;
  border: 2px solid #FF8C00;
}

.house-header h3 {
  color: #8B4513;
  font-size: 1.3rem;
  margin-bottom: 10px;
  font-weight: bold;
}

.house-header h4 {
  color: #D2691E;
  font-size: 1.6rem;
  margin: 0;
  font-weight: bold;
}

.house-points {
  width: 90%;
  margin: 25px auto;
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #FF8C00;
}

.house-points h4 {
  color: #8B4513;
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-weight: bold;
}

.house-point-list {
  margin: 15px 0;
}

.house-point-item {
  margin-bottom: 20px;
  padding: 15px;
  background: #FFF8DC;
  border-radius: 8px;
  border-left: 3px solid #FF8C00;
}

.house-point-item h5 {
  color: #8B4513;
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: bold;
}

.house-point-item p {
  margin: 0;
  width: 100%;
  line-height: 1.6;
  color: #666;
}

/* === 特徴リスト === */
.feature-list {
  width: 90%;
  margin: 25px auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-item {
  background: #fff;
  border-radius: 12px;
  padding: 15px;
  display: flex;
  align-items: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border-left: 4px solid #FF6B6B;
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.check-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-right: 12px;
  color: #FF6B6B;
  font-size: 18px;
}

.feature-text {
  font-weight: bold;
  font-size: 16px;
  line-height: 1.5;
  color: #333;
}

/* === キャンペーンボックス === */
.campaign-box {
  width: 90%;
  margin: 20px auto;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.campaign-title {
  background-color: #FF6B6B;
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
  margin: 0;
  padding: 12px 0;
  width: 100%;
}

.campaign-content {
  background-color: #ffffff;
  padding: 20px;
  border: 1px solid #FFB366;
  border-top: none;
}

.campaign-content p {
  width: 100%;
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.5;
}

/* 講座リスト */
.course-list {
  list-style: none;
  padding: 0;
  margin: 0 0 15px 0;
}

.course-list li {
  position: relative;
  padding: 10px 0 10px 30px;
  margin-bottom: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  border-bottom: 1px dashed #FFB366;
}

.course-list li:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.course-list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background-color: #FF6B6B;
  border-radius: 50%;
}

.course-list li::after {
  content: "✓";
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* 注意テキスト */
.notice-text {
  background-color: #FFF5EE;
  padding: 12px 15px;
  border-radius: 8px;
  border-left: 4px solid #FF8C00;
  display: flex;
  align-items: center;
  margin-top: 15px;
  font-size: 1rem;
  color: #333;
}

.notice-icon {
  margin-right: 10px;
  font-size: 1.2rem;
  color: #FF8C00;
}

/* === 価格表示ボックス === */
.price-box {
  width: 90%;
  max-width: 500px;
  margin: 30px auto;
  background: white;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: 25px;
  text-align: center;
  border: 2px solid #FF8C00;
  position: relative;
  overflow: hidden;
}

.price-box::after {
  content: 'SPECIAL PRICE';
  position: absolute;
  top: 10px;
  right: 10px;
  background: #FF6B6B;
  color: white;
  font-size: 11px;
  font-weight: bold;
  padding: 5px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.archive-price::after {
  content: 'ARCHIVE';
  background: #FF8C00;
}

.price-old {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 5px;
}

.price-new {
  font-size: 1.3rem;
  font-weight: bold;
  color: #FF6B6B;
  margin-top: 15px;
  position: relative;
  display: inline-block;
}

.price-new::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, transparent, #FF8C00, transparent);
}

.price-label {
  font-size: 1.3rem;
  font-weight: bold;
  color: #FF8C00;
  margin-bottom: 15px;
}

.price-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: #FF6B6B;
  margin: 15px 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.archive-price .price-value {
  color: #FF8C00;
}

.price-tax {
  font-size: 1rem;
  color: #666;
}

.price-note {
  font-size: 0.9rem;
  color: #666;
  margin-top: 15px;
  font-style: italic;
}

/* クーポンスタイル */
.coupon-container {
  width: 80%;
  max-width: 600px;
  margin: 25px auto;
}

.coupon-link {
  display: block;
  text-decoration: none;
  transition: all 0.3s ease;
}

.coupon-link:hover {
  transform: translateY(-5px);
}

.coupon {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(255, 107, 107, 0.2);
  overflow: hidden;
  display: flex;
  border: 2px dashed #FF6B6B;
  position: relative;
}

.coupon::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 80px;
  height: 80px;
  background: #FF6B6B;
  transform: rotate(45deg);
  z-index: 1;
}

.coupon::after {
  content: "限定";
  position: absolute;
  top: 12px;
  right: 8px;
  color: white;
  font-weight: bold;
  font-size: 12px;
  z-index: 2;
  transform: rotate(45deg);
}

.coupon-content {
  flex: 1;
  padding: 20px;
  text-align: center;
}

.coupon-title {
  color: #FF6B6B;
  font-size: 1.5rem !important;
  font-weight: bold !important;
  margin: 0 0 10px 0;
}

.coupon-value {
  color: #FF6B6B;
  font-size: 2.8rem !important;
  font-weight: 900;
  letter-spacing: 1px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
  margin: 10px 0;
}

.coupon-desc {
  color: #777;
  font-size: 1.1rem !important;
  font-weight: bold !important;
  margin: 0;
}

.coupon-cta {
  background: #FF6B6B;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 30px;
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
  position: relative;
}

.coupon-cta::before {
  content: "";
  position: absolute;
  top: 10px;
  left: -5px;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 20px 0 #fff, 0 40px 0 #fff, 0 60px 0 #fff, 0 80px 0 #fff, 0 100px 0 #fff;
}

/* === ボタン === */
.app_btn1 {
  width: 90%;
  max-width: 500px;
  margin: 30px auto;
  position: relative;
  background: #FF6B6B;
  border: 3px solid #DC143C;
  border-radius: 50px;
  box-shadow: 0 5px 0 #DC143C, 0 5px 15px rgba(255, 107, 107, 0.3);
  overflow: hidden;
}

.app_btn1:hover {
  background: #FF8E53;
  transform: translateY(-3px);
  box-shadow: 0 8px 0 #DC143C, 0 8px 20px rgba(255, 107, 107, 0.4);
}

.app_btn1:active {
  transform: translateY(5px);
  box-shadow: 0 0 0 #DC143C, 0 1px 5px rgba(0, 0, 0, 0.1);
}

.app_btn1::before {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.4) 100%);
  transform: skewX(-25deg);
  animation: btnShine 4s infinite;
}

.app_btn1::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0);
  animation: btnPulse 2s infinite;
}

.app_btn1 a {
  display: block;
  padding: 20px;
  color: #fff;
  font-size: 1.3rem;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  line-height: 1.4;
  position: relative;
  z-index: 1;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.app_btn1 a::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border-top: 4px solid #fff;
  border-right: 4px solid #fff;
  transform: rotate(45deg);
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -6px;
  animation: btnArrow 1.5s infinite;
}

.app_btn2 {
  width: 90%;
  max-width: 500px;
  margin: 0px auto 30px;
  position: relative;
  background: #FF6B6B;
  border: 3px solid #DC143C;
  border-radius: 50px;
  box-shadow: 0 5px 0 #DC143C, 0 5px 15px rgba(255, 107, 107, 0.3);
  overflow: hidden;
}

.app_btn2:hover {
  background: #FF8E53;
  transform: translateY(-3px);
  box-shadow: 0 8px 0 #DC143C, 0 8px 20px rgba(255, 107, 107, 0.4);
}

.app_btn2:active {
  transform: translateY(5px);
  box-shadow: 0 0 0 #DC143C, 0 1px 5px rgba(0, 0, 0, 0.1);
}

.app_btn2::before {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.4) 100%);
  transform: skewX(-25deg);
  animation: btnShine 4s infinite;
}

.app_btn2::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0);
  animation: btnPulse 2s infinite;
}

.app_btn2 a {
  display: block;
  padding: 20px;
  color: #fff;
  font-size: 1.3rem;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  line-height: 1.4;
  position: relative;
  z-index: 1;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.app_btn2 a::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border-top: 4px solid #fff;
  border-right: 4px solid #fff;
  transform: rotate(45deg);
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -6px;
  animation: btnArrow 1.5s infinite;
}

@keyframes btnShine {
  0% {
    left: -75%;
  }

  75%, 100% {
    left: 125%;
  }
}

@keyframes btnPulse {
  0%, 100% {
    background: rgba(255, 255, 255, 0);
  }

  50% {
    background: rgba(255, 255, 255, 0.1);
  }
}

@keyframes btnArrow {
  0%, 100% {
    right: 20px;
  }

  50% {
    right: 15px;
  }
}

/* === フッター === */
.foot {
  background: #FFF5EE;
  padding: 25px 0 15px;
  position: relative;
  width: 100%;
  box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.05);
}

.foot::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(45deg, #FFB366 25%, transparent 25%, transparent 50%, #FFB366 50%, #FFB366 75%, transparent 75%, transparent);
  background-size: 20px 20px;
}

.foot p {
  text-align: center;
  color: #333;
  margin: 10px 0;
}

.foot p a {
  text-decoration: none;
  color: #FF6B6B;
  margin: 0 10px;
  transition: all 0.3s ease;
  font-weight: bold;
}

.foot p a:hover {
  text-decoration: underline;
}

.foot .copy {
  margin-top: 20px;
  font-size: 0.9rem;
  color: #777;
}

/* === レスポンシブ対応 === */
@media screen and (max-width: 800px) {
  .preface {
    width: 92%;
    padding: 20px 15px;
  }

  .preface-text {
    padding: 0;
  }

  .course-lineup {
    flex-direction: column;
    align-items: center;
  }

  .course-item {
    width: 100%;
    max-width: 250px;
    text-align: center;
  }

  .price-box {
    width: 95%;
    padding: 20px 15px;
  }

  .expo-feature-item {
    flex-direction: column;
    text-align: center;
  }

  .expo-feature-item .check-icon {
    margin-right: 0;
    margin-bottom: 5px;
  }

  .highlight-rainbow {
    font-size: 1.5rem;
  }
}

@media screen and (max-width: 576px) {
  html {
    font-size: 13px;
  }

  .section-title, h2 {
    font-size: 1.4rem;
    max-width: 95%;
  }

  .toplist_box h5 {
    width: 45px;
    font-size: 1.2rem;
  }

  .toplist_box p {
    font-size: 1rem;
    padding: 12px 35px 12px 15px;
  }

  .app_btn1 a {
    font-size: 1.1rem;
    padding: 15px 10px;
  }

  .coupon-title {
    font-size: 1.3rem !important;
  }

  .coupon-value {
    font-size: 2.4rem !important;
  }

  .coupon-desc {
    font-size: 1rem !important;
  }

  .price-value {
    font-size: 2rem;
  }

  .featured-courses h3 {
    font-size: 1.3rem;
  }

  .archive-highlight h3 {
    font-size: 1.2rem;
  }

  .archive-highlight h4 {
    font-size: 1.4rem;
  }

  .seminar-24-header h3 {
    font-size: 1.1rem;
  }

  .seminar-24-header h4 {
    font-size: 1.4rem;
  }

  .highlight-rainbow {
    font-size: 1.3rem;
  }
}

/* === 夏祭り特有の装飾要素 === */
.festival-decoration {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

/* 紙吹雪効果 */
.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #FFD700;
  animation: confettiFall 5s linear infinite;
}

.confetti:nth-child(2n) {
  background: #FF69B4;
  animation-duration: 7s;
}

.confetti:nth-child(3n) {
  background: #00CED1;
  animation-duration: 6s;
}

@keyframes confettiFall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }

  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* 花火パターン背景 */
.firework-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.1) 2px, transparent 2px),
    radial-gradient(circle at 80% 20%, rgba(255, 107, 107, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 40% 40%, rgba(255, 142, 83, 0.05) 1px, transparent 1px);
  background-size: 50px 50px, 30px 30px, 70px 70px;
  animation: patternMove 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes patternMove {
  0% {
    background-position: 0% 0%, 0% 0%, 0% 0%;
  }

  100% {
    background-position: 50% 50%, -50% 50%, 100% 100%;
  }
}

/* 提灯の輝きエフェクト */
.lantern-glow {
  position: absolute;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.3) 0%, transparent 70%);
  animation: glow 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes glow {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.2);
  }
}

/* セミナーリスト夏祭り仕様 */
.seminar-list-wrapper {
  position: relative;
  background: linear-gradient(135deg, #FFF5EE 0%, #FFE4E1 100%);
}

.seminar-list-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 107, 107, 0.1) 2px, transparent 2px),
    radial-gradient(circle at 80% 20%, rgba(255, 142, 83, 0.1) 1px, transparent 1px);
  background-size: 50px 50px, 30px 30px;
  animation: festivalPattern 15s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes festivalPattern {
  0% {
    background-position: 0% 0%, 0% 0%;
  }

  100% {
    background-position: 0% 100%, 0% 100%;
  }
}

/* 夏祭りバッジ */
.summer-festival-badge {
  position: absolute;
  top: -8px;
  left: -8px;
  background: linear-gradient(45deg, #FF6B6B, #FFD700);
  color: white;
  padding: 8px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: bold;
  text-transform: uppercase;
  box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
  z-index: 3;
  animation: festivalBadge 2s ease-in-out infinite;
}

@keyframes festivalBadge {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
  }

  50% {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.5);
  }
}

/*line友だち追加*/
.line_box {
  width: 90%;
  display: flex;
  flex-flow: wrap;
  justify-content: center;
  align-items: center;
  margin: 30px auto;
  padding: 10px 0;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(52, 152, 219, 0.1);
  background:#E0F8EF;
}

.line_box .box {
  width: 48%;
  margin-right: 10px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.08);
  overflow: hidden;
  position: relative;
  border: 1px solid #009955;
  transition: all 0.3s ease;
    background:#ffffff;
}

.line_box .box:nth-child(2){
  width: 48%;
  margin-right: 0px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(52, 152, 219, 0.08);
  overflow: hidden;
  position: relative;
  border: 1px solid #009955;
  transition: all 0.3s ease;
}

.line_box .box img{
  max-width: 50%;
  margin: 0 auto;
}

.line_box .box .tl{
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: #009955;
    font-weight: 600;
    text-align: center;
    margin:10px auto;
}

.line_box .box .center{
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin:10px auto;
}

.line-apply {
    text-align: center;
    margin: 20px auto;
}

/* 申し込みボタンのアニメーション */
.line-apply .apply-btn {
    display: inline-block;
    background: #009955;
    color: #fff;
    padding: 12px 25px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 3px 0 #2980B9;
    width: 80%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.line-apply .apply-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.line-apply .apply-btn:hover::before {
    left: 100%;
}

.line-apply .apply-btn:hover {
    transform: translateY(2px);
    box-shadow: 0 1px 0 #2980B9;
    background: #07C160;
}

@media screen and (max-width: 480px) {
.line_box {
    width: 100%;
    display: block;
    background: #FFFFFF;
}

.line_box .box {
    width: 95%;
    margin-right: 10px;
    margin-left: 10px;
    margin-bottom:10px;
}

.line_box .box:nth-child(2) {
    width: 95%;
    margin-right: 10px;
    margin-left: 10px;
}
}


/* === テキストスタイル === */
.highlight-blue {
  background: linear-gradient(transparent 70%, #FFE4B5 30%);
  font-weight: bold;
  color: #2B4C8C;
}

.highlight-green {
  background: linear-gradient(transparent 70%, #98FB98 30%);
  font-weight: bold;
  color: #228B22;
}

.highlight-yellow {
  background: linear-gradient(transparent 70%, #FFD700 30%);
  font-weight: bold;
  color: #FF6347;
}

/* 通常テキスト用の追加スタイル */
.text-red {
  color: #DC143C;
  font-weight: bold;
}

.text-yellow-marker {
  background: linear-gradient(transparent 60%, #FFD700 40%);
  font-weight: bold;
  color: #333;
  padding: 2px 4px;
  border-radius: 3px;
}

/* スマホのみ改行 */
.br-sp {
  display: none;
}

@media screen and (max-width: 767px) {
  .br-sp {
    display: block;
  }
}

/* キャンペーン重要テキスト強調スタイル */
.campaign-highlight {
  font-size: 1.4rem !important;
  font-weight: 900 !important;
  color: #DC143C !important;
  background: linear-gradient(45deg, #FFE4B5, #FFD700) !important;
  padding: 15px 20px !important;
  border-radius: 12px !important;
  text-align: center !important;
  margin: 25px auto !important;
  width: 90% !important;
  box-shadow: 0 5px 20px rgba(220, 20, 60, 0.3) !important;
  border: 2px solid #FF6B6B !important;
  position: relative !important;
  overflow: hidden !important;
  animation: campaignPulse 3s ease-in-out infinite !important;
}

.campaign-highlight::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: -100% !important;
  width: 100% !important;
  height: 100% !important;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent) !important;
  animation: campaignShine 4s ease-in-out infinite !important;
}

@keyframes campaignPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 5px 20px rgba(220, 20, 60, 0.3);
  }
  50% {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(220, 20, 60, 0.5);
  }
}

@keyframes campaignShine {
  0% {
    left: -100%;
  }
  50%, 100% {
    left: 100%;
  }
}