@charset "utf-8";
/*================================================
 改善済みCSS - 最終版
=================================================*/

* {
  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: url(../image/bg.png); /* 画像のパスを指定 */
  background-size: 100% 100%; /* 画面全体にフィットさせる */
  background-attachment: fixed; /* スクロールしても背景が動かないように固定 */
  background-repeat: no-repeat; /* 繰り返し表示しない */
  background-position: center center; /* 中央に配置 */
  overflow-x: hidden; /* 横スクロール防止 */
  line-height: 1.6;
  width: 100%;
}
img {
  display: block;
}

@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; /* フロート要素の包含 */
}

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

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

@media screen and (max-width: 800px) {
  html {
    font-size: 14px;
  }
  
  /* スマホ向けのバナー・画像サイズ設定 */
  .banner-img, .content-img, .h2_banner img, .content img:not(.smll-img):not(.smll-img2):not(.smll-img3) {
    width: 100%;
  }
  
  .content {
    width: 100%;
  }
  
  .space10 {
    height: 5px;
  }
  
  .space20 {
    height: 10px;
  }
}

/* === テキストスタイル === */
.red {
color: #FF497E;
  font-weight: bold;
  text-shadow: 0 1px 1px rgba(255,255,255,0.7);
}

.yellow {
  background: linear-gradient(transparent 60%, #FFFF00 40%);
  font-weight: bold;
}

/* === 見出し === */
h2 {
  font-size: 1.6rem;
  font-weight: bold;
  background: linear-gradient(to right, #2E8B00, #36A800);
  color: white;
  text-align: center;
  padding: 10px;
  border-radius: 5px;
  margin: 0 auto 20px;
  width: 95%;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

h3 {
  background: #fff;
  font-size: 1.7rem;
  width: 90%;
  margin: 0 auto;
  text-align: center;
  padding: 15px 0 8px;
  font-weight: bold;
}

h4 {
  background: #fff;
  font-size: 1.5rem;
  width: 90%;
  margin: 0 auto;
  padding: 15px 0 8px;
  font-weight: bold;
  color: #214284;
  text-decoration: underline double #214284;
}

/* === バナー画像 === */
.h2_banner {
  width: 100%;
  margin: 0 auto;
  text-align: center;
  display: block;
  line-height: 0;
}

.smll-img {
  width: 90%;
  margin: 0 auto;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
}

.smll-img:hover {
  transform: translateY(-2px);
  opacity: 0.8;
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.smll-img2 {
  width: 60%;
  margin: 0 auto;
}

.smll-img3 {
  width: 25%;
  margin: 0 auto;
}

/* === プレフェイス部分 === */
.preface {
  width: 90%;
  margin: 15px auto;
  background: #fff;
  padding: 10px 0;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.preface-heading {
  margin-bottom: 30px;
}

.preface-heading h2 {
  font-size: 1.625rem;
  font-weight: bold;
  color: #333;
  text-align: center;
  padding: 15px 0;
  border-bottom: 2px solid #2E8B00;
  background: none;
  width: 100%;
  box-shadow: none;
  text-shadow: none;
}

.preface-text {
  font-size: 1rem;
  line-height: 2;
  color: #333;
  padding: 0 15px;
}

@media screen and (max-width: 800px) {
  .preface-text {
    padding: 0 8px;
  }
}

.preface-text p {
  margin-bottom: 25px;
}

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

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

.toplist_box {
  width: 100%;
  min-height: 70px;
  background: #F4FFE8;
  border-radius: 10px;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
  margin-bottom: 15px;
  cursor: pointer;
  position: relative;
  border: 1px solid rgba(46,139,0,0.1);
}

.toplist_box:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgba(0,0,0,0.15);
  background: #E6FFD1;
}

.toplist_box h5 {
  border-radius: 10px 0 0 10px;
  background: #2E8B00;
  width: 70px;
  min-height: 70px;
  color: #fff;
  text-align: center;
  font-size: 1.5rem;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0; /* 幅を固定 */
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.toplist_box p {
  color: #000;
  flex: 1;
  padding: 15px 50px 15px 20px;
  font-size: 1.3rem;
  margin: 0;
  font-weight: 500;
  line-height: 1.4;
}

.toplist_box::after {
  content: "›";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: #2E8B00;
  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);
}

/* === ピックアップコース === */
.pickup_course {
  width: 90%;
  margin: 20px auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.pickup_course_box {
  background: #fff;
  border: 2px solid #2E8B00;
  border-radius: 10px;
  padding: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 3px 8px rgba(0,0,0,0.08);
}

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

.pickup_course_box h5 {
  color: #2E8B00;
  font-size: 1.3rem;
  font-weight: bold;
  margin: 0 0 10px 0;
  padding: 0 0 8px 0;
  border-bottom: 2px dashed #2E8B00;
}

.pickup_course_box p {
  width: 100%;
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0;
  color: #333;
}

/* === コンテンツブロック === */
.overview, .overview2 {
  width: 100%;
  padding: 0 0 20px 0;
}

.overview {
  background: #F4FFE8;
  box-shadow: inset 0 0 20px rgba(46,139,0,0.05);
}

.overview2 {
  background: #fff;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.02);
}

.overview h3, .overview2 h3 {
  background: #2E8B00;
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
  text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.bgbule {
  background: #FFFDD5;
}

.overview p, .overview2 p {
  width: 90%;
  font-size: 1.1rem;
  line-height: 1.8rem;
  margin: 0 auto 15px;
}

/* === 内容ボックス === */
.other_content, .other_content2, .other_content3 {
  width: 90%;
  margin: 20px auto;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

@media screen and (max-width: 800px) {
  .other_content, .other_content2, .other_content3 {
    width: 95%;
    padding: 15px 10px;
  }
}

.other_content {
  background: #FFFBEE;
  border: 1px solid rgba(232,162,0,0.1);
}

.other_content2 {
  background: #F4FFE8;
  border: 1px solid rgba(46,139,0,0.1);
}

.other_content3 {
  background: #fff;
  border: 1px solid rgba(46,139,0,0.1);
}

.other_content h5, .other_content2 h5, .other_content3 h5 {
  font-size: 1.4rem;
  text-align: center;
  margin: 0 0 20px 0;
  padding-bottom: 15px;
  font-weight: bold;
}

.other_content h5 {
  color: #E8A200;
  border-bottom: 2px dashed #FFD700;
}

.other_content2 h5, .other_content3 h5 {
  color: #2E8B00;
  border-bottom: 2px dashed #2E8B00;
}

.other_content_box, .other_content2_box, .other_content3_box {
  background: #fff;
  border-radius: 8px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
  padding: 2px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.other_content_box:hover, .other_content2_box:hover, .other_content3_box:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}

.other_content_box {
  border-left: 4px solid #FFD700;
}

.other_content2_box, .other_content3_box {
  border-left: 4px solid #2E8B00;
}

.other_content3_box {
  background: #F4FFE8;
}

.other_content_box:last-child, .other_content2_box:last-child, .other_content3_box:last-child {
  margin-bottom: 0;
}

.other_content_box p, .other_content2_box p, .other_content3_box p {
  font-weight: bold;
  font-size: 1.1rem;
  line-height: 1.5;
  margin: 0;
  padding: 12px 15px 12px 36px; /* 左パディングを増やして余白を確保 */
  color: #333;
  width: 100%;
  position: relative;
}

/* デフォルトアイコン（チェックマーク） */
.other_content_box p.check::before, 
.other_content2_box p.check::before, 
.other_content3_box p.check::before {
  content: "✅";
  position: absolute;
  left: 8px;
}

/* ピンアイコン */
.other_content_box p.pin::before, 
.other_content2_box p.pin::before, 
.other_content3_box p.pin::before {
  content: "📌";
  position: absolute;
  left: 8px;
}

/* メガホンアイコン */
.other_content_box p.announce::before, 
.other_content2_box p.announce::before, 
.other_content3_box p.announce::before {
  content: "📢";
  position: absolute;
  left: 8px;
}

@media screen and (max-width: 800px) {
  .other_content_box p, .other_content2_box p, .other_content3_box p {
    padding: 10px 8px 10px 36px; /* 左パディングを増やして余白を確保 */
  }
  
  .other_content_box p::before, 
  .other_content2_box p::before, 
  .other_content3_box p::before,
  .other_content_box p.check::before, 
  .other_content2_box p.check::before, 
  .other_content3_box p.check::before,
  .other_content_box p.pin::before, 
  .other_content2_box p.pin::before, 
  .other_content3_box p.pin::before,
  .other_content_box p.announce::before, 
  .other_content2_box p.announce::before, 
  .other_content3_box p.announce::before {
    left: 5px;
  }
}

/* === ボタン === */
.app_btn1 {
  width: 90%;
  max-width: 500px;
  margin: 30px auto;
  position: relative;
  background: #2E8B00;
  border: 3px solid #1C5400;
  border-radius: 10px;
  box-shadow: 0 5px 0 #1C5400, 0 5px 10px rgba(0,0,0,0.1);
  overflow: hidden;
}

.app_btn1:hover {
  background: #36A800;
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #1C5400, 0 7px 14px rgba(0,0,0,0.15);
}

.app_btn1:active {
  transform: translateY(5px);
  box-shadow: 0 0 0 #1C5400, 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, 0.3) 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: 25px 20px;
  color: #fff;
  font-size: 1.5rem;
  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;
}

@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;
  }
}

.export-btn {
  background: #FF497E;
  border: 3px solid #D13164;
  box-shadow: 0 5px 0 #D13164, 0 5px 10px rgba(0,0,0,0.1);
}
.export-btn:hover {
  background: #FF6B94;
  box-shadow: 0 7px 0 #D13164, 0 7px 14px rgba(0,0,0,0.15);
}

.stock-btn {
  background: #2E8B00;
  border: 3px solid #1C5400;
  box-shadow: 0 5px 0 #1C5400, 0 5px 10px rgba(0,0,0,0.1);
}
.stock-btn:hover {
  background: #36A800;
  box-shadow: 0 7px 0 #1C5400, 0 7px 14px rgba(0,0,0,0.15);
}

.ai-btn {
  background: #008B45;
  border: 3px solid #005429;
  box-shadow: 0 5px 0 #005429, 0 5px 10px rgba(0,0,0,0.1);
}
.ai-btn:hover {
  background: #00A852;
  box-shadow: 0 7px 0 #005429, 0 7px 14px rgba(0,0,0,0.15);
}

/* === フッター === */
.foot {
  background: #E6FFD1;
  padding-top: 5px;
  height: 100px;
  position: relative;
  width: 100%;
  box-shadow: 0 -3px 10px rgba(0,0,0,0.05);
}

.foot p {
  text-align: center;
  color: #000;
  margin-top: 5px;
}

.foot p a {
  text-decoration: none;
  color: #000;
  margin: 0 10px;
  transition: all 0.3s ease;
}

.foot p a:hover {
  color: #2E8B00;
  text-decoration: underline;
}

.foot .copy {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  margin: auto;
  font-size: 0.9rem;
  color: #555;
}

/* === レスポンシブ対応 === */
@media screen and (max-width: 480px) {
  html {
    font-size: 13px;
  }
  
  /* フォントサイズ調整 */
  .preface-heading h2 {
    font-size: 1.3rem;
  }
  
  h2 {
    font-size: 1.3rem;
    max-width: 98%;
  }
  
  /* トップリスト */
  .toplist_box h5 {
    width: 40px;
    font-size: 1.2rem;
  }
  
  .toplist_box p {
    font-size: 1rem;
    padding: 10px 30px 10px 10px;
  }
  
  /* ボタン */
  .app_btn1 a {
    font-size: 1.1rem;
    padding: 15px 10px;
  }
  
  .app_btn1 a::after {
    right: 10px;
  }
  
  /* フッター */
  .foot p a {
    display: inline-block;
    margin: 5px;
  }
}

/* ======== 改善された部分 ========= */

/* 講師バナー - 改善版 */
.instructor-banner {
  background: linear-gradient(to right, #ffebee, #ffcdd2); /* 赤のグラデーション背景 */
  border: 2px solid #e53935; /* 濃い赤の境界線 */
  border-radius: 8px;
  padding: 15px;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  color: #b71c1c; /* 深い赤色のテキスト */
  margin: 20px auto;
  width: 90%;
  box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3); /* 赤みを帯びた影 */
  position: relative;
  overflow: hidden;
}

/* キラキラ効果を追加 */
.instructor-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 60%);
  opacity: 0;
  animation: glitter 4s infinite;
}

@keyframes glitter {
  0% { opacity: 0; transform: rotate(0deg); }
  20% { opacity: 0.5; }
  40% { opacity: 0; }
  100% { opacity: 0; transform: rotate(360deg); }
}

.fire-icon {
  color: #FF5722;
  margin: 0 5px;
  font-size: 22px;
  animation: flame 0.8s infinite alternate;
}

@keyframes flame {
  from { transform: scale(1); text-shadow: 0 0 5px rgba(255, 87, 34, 0.7); }
  to { transform: scale(1.1); text-shadow: 0 0 10px rgba(255, 87, 34, 0.9); }
}

/* 特徴リスト - 改善版（見出しなし） */
.feature-list {
  width: 90%;
  margin: 25px auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-item {
  background: #fff;
  border-radius: 8px;
  padding: 15px;
  display: flex;
  align-items: flex-start;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border-left: 4px solid #00c853;
}

.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: #00c853;
  font-size: 18px;
}

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

/* スケジュール - 改善版 */
.schedule-container {
  width: 90%;
  margin: 30px auto;
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  padding: 15px;
}

.schedule-header {
  background-color: #f4ffe8;
  color: #2E8B00;
  text-align: center;
  padding: 16px;
  font-size: 18px;
  font-weight: bold;
  border-radius: 6px;
  margin-bottom: 20px;
}

.schedule-date {
  text-align: center;
  margin: 20px 0;
  font-size: 16px;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.schedule-table th {
  background-color: #2E8B00;
  color: white;
  padding: 15px;
  text-align: center;
  font-weight: bold;
  font-size: 16px;
}

.schedule-table td {
  padding: 15px;
  border: 1px solid #e0e0e0;
  background-color: #fff; /* 背景色を白に変更 */
}

.date-cell {
  width: 40%;
  text-align: center;
  font-weight: bold;
  color: #2E8B00;
  font-size: 16px;
}

/* 勉強会のスタイル - 緑系 */
.event-time-study {
  display: block;
  padding: 10px 15px;
  margin: 8px 0;
  background-color: #f4ffe8;
  border-left: 4px solid #2E8B00;
  font-weight: bold;
  color: #2E8B00;
}

/* 懇親会のスタイル - 緑系に変更 */
.event-time-party {
  display: block;
  padding: 10px 15px;
  margin: 8px 0;
  background-color: #e8f5e9; /* 少し異なる緑系の色 */
  border-left: 4px solid #388e3c; /* 少し異なる緑色 */
  font-weight: bold;
  color: #2E8B00;
}

/* 開催情報 - 改善版 */
.event-info-container {
  width: 90%;
  margin: 25px auto;
  background-color: white; /* 白背景に変更 */
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
}

.event-info-header {
  text-align: center;
  margin-bottom: 15px;
  position: relative;
  padding: 10px 0;
}

.event-info-title {
  display: inline-block;
  background-color: #2E8B00;
  color: white;
  padding: 8px 30px;
  border-radius: 30px;
  font-weight: bold;
  font-size: 18px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.calendar-icon {
  margin: 0 5px;
  color: #2E8B00;
}

.separator {
  height: 1px;
  background: linear-gradient(to right, transparent, #2E8B00, transparent);
  margin: 20px 0;
}

.event-detail-box {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 15px;
  border-left: 4px solid #2E8B00;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.event-detail-box p {
  margin: 0;
  font-weight: bold;
}

/* 富裕層クラブ - 改善版 */
.luxury-container {
  max-width: 90%;
  margin: 30px auto;
  padding: 30px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  position: relative;
  overflow: hidden;
}

.luxury-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, #a58e44, #d4b862, #a58e44);
}

.luxury-container::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, #a58e44, #d4b862, #a58e44);
}

.luxury-intro {
  text-align: center;
  margin-bottom: 30px;
  font-size: 18px;
  color: #333;
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 15px;
}

.luxury-intro::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(to right, transparent, #a58e44, transparent);
}

.luxury-announcement {
  position: relative;
  background: linear-gradient(to right, #f9f7ea, #fff, #f9f7ea);
  border-radius: 12px;
  padding: 30px;
  margin: 30px 0;
  box-shadow: 0 5px 20px rgba(165, 142, 68, 0.15);
  border-left: 5px solid #a58e44;
}

.luxury-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.luxury-icon {
  font-size: 36px;
  color: #a58e44;
  flex-shrink: 0;
}

.luxury-text {
  font-size: 18px;
  font-weight: bold;
  line-height: 1.5;
  color: #333;
}

.luxury-info {
  text-align: center;
  margin: 30px 0;
  font-size: 17px;
  color: #444;
  position: relative;
  padding-bottom: 15px;
}

.luxury-info::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 1px;
  background: #a58e44;
}

.luxury-button {
  display: block;
  width: 90%;
  max-width: 500px;
  margin: 30px auto;
  padding: 0;
  position: relative;
  text-decoration: none;
  transition: all 0.3s ease;
}

.luxury-button:hover {
  transform: translateY(-3px);
}

.button-content {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2a7d00, #34a853);
  color: white;
  font-size: 18px;
  font-weight: bold;
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(46, 139, 0, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.button-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0) 0%, 
    rgba(255, 255, 255, 0.2) 50%, 
    rgba(255, 255, 255, 0) 100%);
  z-index: -1;
  animation: shimmer 3s infinite;
}

.button-gold-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border-radius: 8px;
  border: 2px solid rgba(165, 142, 68, 0.5);
  transform: translate(5px, 5px);
  pointer-events: none;
}

.button-arrow {
  margin-left: 15px;
  font-size: 22px;
  transition: transform 0.3s ease;
}

.luxury-button:hover .button-arrow {
  transform: translateX(5px);
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.corner-decoration {
  position: absolute;
  width: 100px;
  height: 100px;
  opacity: 0.15;
}

.top-left {
  top: 10px;
  left: 10px;
  border-top: 3px solid #a58e44;
  border-left: 3px solid #a58e44;
  border-top-left-radius: 15px;
}

.bottom-right {
  bottom: 10px;
  right: 10px;
  border-bottom: 3px solid #a58e44;
  border-right: 3px solid #a58e44;
  border-bottom-right-radius: 15px;
}

/* === セミナーボックス === */
.sem_box {
  width: 100%;
  clear: both;
  overflow: hidden;
}

.sem_box a {
  display: block;
  float: left;
  width: 41%;
  margin-left: 6%;
  text-decoration: none;
}

.sem_box .matter, .sem_box .matter2 {
  margin: 0 auto;
  width: 100%;
  color: #fff;
  font-size: 1.2rem;
  font-weight: bold;
  border-radius: 50vh;
  margin-bottom: 15px;
  height: 50px;
  text-align: center;
  line-height: 50px;
}

.sem_box .matter {
  background-color: #FF6E00;
}

.sem_box .matter2 {
  margin-top: 15px;
  background-color: #00B521;
}

.sem_box .matter:hover {
  background-color: #cf680c;
}

.sem_box .matter2:hover {
  background-color: #008318;
}

.sem_box h3 {
  background: #FFCC40;
  text-align: center;
  margin-bottom: 20px;
  width: 100%;
  padding-top: 15px;
  padding-bottom: 8px;
  font-size: 1.5rem;
  font-weight: bold;
}

.sem_box p {
  width: 100%;
  font-size: 1.2rem;
  margin: 0 auto;
  line-height: 1.5rem;
}

.sem_box p.data {
  color: #000;
  margin: 10px 0;
  text-align: center;
}

.sem_box p b {
  text-decoration: underline;
  text-decoration-thickness: 0.5em;
  text-decoration-color: #5AFF19;
  text-underline-offset: -0.2em;
  text-decoration-skip-ink: none;
}

/* === レスポンシブ対応 === */
@media screen and (max-width: 800px) {
  /* セミナーボックス */
  .sem_box a {
    width: 90%;
    float: none;
    margin: 0 auto 15px;
  }
  
  .sem_box .matter, .sem_box .matter2 {
    height: 40px;
    line-height: 40px;
    font-size: 1.1rem;
  }
  
  /* ボタン */
  .app_btn2, .app_btn3, .app_btn4, .app_btn5, .app_btnp {
    width: 85%;
  }
  
  /* フッター */
  .foot {
    height: auto;
    padding: 10px 0 40px;
  }
}