/*

New Event

http://www.templatemo.com/tm-486-new-event

*/

body {
		background: #ffffff;
    font-family: 'Poppins', sans-serif;
    font-style: normal;
		font-weight: 400;
}


/*---------------------------------------
    Typorgraphy              
-----------------------------------------*/
h1,h2,h3,h4,h5,h6 {
  font-weight: 600;
}

h3,h5 {
  font-weight: 500;
}

h1 {
    font-size: 40px;
    letter-spacing: 2px;
}

h2 {
  font-size: 30px;
  text-transform: uppercase;
}

h3 {
  line-height: 36px;
}

h5 {
    letter-spacing: 1px;
    padding-top: 10px;
}

p {
    color: #707070;
    font-size: 14px;
    line-height: 24px;
}

a {
  text-decoration: none !important;
  outline: none;
}


/*---------------------------------------
    General               
-----------------------------------------*/
.section-title {
  margin-bottom: 32px;
}

#overview,
#register {
  padding-top: 14rem;
  padding-bottom: 14rem;
}

#detail, #video,
#speakers, 
#program,
#sponsors, 
#contact, footer {
    padding-top: 10rem;
    padding-bottom: 10rem;
}

#detail,
#speakers, #sponsors,
footer {
  text-align: center;
}

#overview h3,
#detail h3, #video h3,
#register h3,
#venue h3,
#contact h3 {
    padding-bottom: 12px;
}

#intro .btn,
#contact .btn {
    background: transparent;
    border: 2px solid #ffffff;
    border-radius: 0px;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 1px;
    font-size: 12px;
    padding: 14px 42px;
    margin-top: 42px;
    margin-right: 12px;
    -webkit-transition: all 0.4s ease-in-out;
    transition: all 0.4s ease-in-out;
}

#intro .btn-danger,
#contact .btn-danger {
    background: #f2545f;
    border-color: transparent;
}

#contact .btn {
  border-radius: 100px;
}

#intro .btn-danger:hover {
  background: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

#contact .btn-danger:hover {
  background: #222;
}

#intro .btn-default:hover {
    background: #ffffff;
    color: #333333;
    border-color: transparent;
}

.parallax-section {
  background-attachment: fixed !important;
  background-size: cover !important;
}



/*---------------------------------------
    Preloader section              
-----------------------------------------*/
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
  display: flex;
  flex-flow: row nowrap;
  justify-content: center;
  align-items: center;
  background: none repeat scroll 0 0 #ffffff;
}

.sk-rotating-plane {
  width: 50px;
  height: 50px;
  background-color: #222;
  -webkit-animation: sk-rotatePlane 1.2s infinite ease-in-out;
          animation: sk-rotatePlane 1.2s infinite ease-in-out; }

@-webkit-keyframes sk-rotatePlane {
  0% {
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
            transform: perspective(120px) rotateX(0deg) rotateY(0deg); }
  50% {
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
            transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg); }
  100% {
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
            transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg); } }

@keyframes sk-rotatePlane {
  0% {
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg);
            transform: perspective(120px) rotateX(0deg) rotateY(0deg); }
  50% {
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
            transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg); }
  100% {
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
            transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg); } }



/*---------------------------------------
    Navigation Links section              
-----------------------------------------*/
.custom-navbar {
    margin-bottom: 0;
    background-color: #101010;
}

.custom-navbar .navbar-brand {
    color: #ffffff;
    font-weight: 600;
    font-size: 3rem;
    line-height: 40px;
}

.custom-navbar .nav li a {
    color: #fff;
    font-size: 12px;
    font-weight: 1000;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    line-height: 40px;
    transition: all 0.4s ease-in-out;
}

.custom-navbar .nav li a:hover {
    background: transparent;
    color: #66ccff;
}

.custom-navbar .navbar-nav > li > a:hover,
.custom-navbar .navbar-nav > li > a:focus {
  background-color: transparent;
}

.custom-navbar .nav li.active > a {
    background-color: transparent;
    color: #66ccff;
}

.custom-navbar .navbar-toggle {
    border: none;
    padding-top: 10px;
}

.custom-navbar .navbar-toggle {
    background-color: transparent;
}

.custom-navbar .navbar-toggle .icon-bar {
    background: #ffffff;
    border-color: transparent;
}

@media(min-width:768px) {
    .custom-navbar {
        padding: 20px 0;
        border-bottom: 0;
        background: 0 0; 
    }
    .custom-navbar.top-nav-collapse {
        background: #101010;
        padding: 0;
    }

}



/*---------------------------------------
    Intro section              
-----------------------------------------*/
#intro {
    background: url('../images/intro-bg.jpg') 50% 0 repeat-y fixed;
    -webkit-background-size: cover;
    background-size: cover;
    background-position: center center;
    color: #ffffff;
    display: -webkit-box;
    display: -webkit-flex;
     display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
     -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
    height: 100vh;
    text-align: center;
}

#intro h3 {
  letter-spacing: 2px;
}



/*---------------------------------------
   Overview  section              
-----------------------------------------*/
#overview img {
  position: relative;
  padding-bottom: 32px;
}



/*---------------------------------------
    Detail section              
-----------------------------------------*/
#detail {
    background: #D5ECFA;
    color: #222;
}

#detail .fa {
  color: #273695;
  font-size: 48px;
}



/*---------------------------------------
    Video section              
-----------------------------------------*/
#video iframe {
  border: none;
}



/*---------------------------------------
   Speakers section              
-----------------------------------------*/
#speakers {
    background: #f9f9f9;
}

#speakers h3 {
    font-size: 18px;
    margin-bottom: 0px;
}

#speakers h6 {
  color: #666;
  margin-top: 4px;
}

#speakers img {
  width: 100%;
  max-width: 100%;
  height: auto;
}

#speakers .col-md-3 {
    display: block;
    width: 100%;
    padding-top: 30px;
    padding-bottom: 20px;
    margin-bottom: 22px;
}

#speakers .speakers-wrapper {
    background: #ffffff;
    padding-bottom: 22px;
}



/*---------------------------------------
   Program section              
-----------------------------------------*/
#program h4 {
    color: #808080;
    font-size: 12px;
}

#program h3 {
  margin-top: 16px;
}

#program .program-divider {
    border: 1px solid #f9f9f9;
    margin-top: 32px;
    margin-bottom: 42px;
}

#program span {
    padding-right: 12px;
}

#program img {
  border-radius: 10%;
}

.nav-tabs {
  margin-bottom: 20px;
}
.nav-tabs > li {
  float: left;
  margin-bottom: -1px;
}
.nav-tabs > li > a {
  color: #000000;
  font-weight: 600;
  margin-right: 2px;
  line-height: 1.42857143;
  border: none;
  border-radius: 0px;
}
.nav-tabs > li > a:hover {
  background-color: transparent;
}
.nav-tabs > li.active > a,
.nav-tabs > li.active > a:hover,
.nav-tabs > li.active > a:focus {
  color: #f2545f;
  cursor: default;
  background-color: transparent;
  border: 1px solid transparent;
  border-bottom-color: #999;
}
.tab-content {
  padding-top: 20px;
}



/*---------------------------------------
    Regsiter section              
-----------------------------------------*/
#register {
    background: url('../images/register-bg.jpg') 50% 0 repeat-y fixed;
    -webkit-background-size: cover;
    background-size: cover;
    background-position: center center;
    color: #ffffff;
}

#register .form-control {
  background: transparent;
  border: 2px solid #ffffff;
  border-radius: 0px;
  color: #ffffff;
  margin-bottom: 16px;
}

#register input {
  height: 45px;
}

#register input[type="submit"] {
  background: #f2545f;
  border-radius: 100px;
  border: none;
  color: #ffffff;
  letter-spacing: 2px;
  height: 50px;
  margin-top: 12px;
  transition: all 0.4s ease-in-out;
}

#register input[type="submit"]:hover {
  background: #ffffff;
  color: #222;
}



/*---------------------------------------
   Faq section              
-----------------------------------------*/
#faq {
  background: #f9f9f9;
  padding-top: 8rem;
  padding-bottom: 8rem;
}

#faq .panel-group {
  margin-top: 32px;
}

#faq .panel-group .panel {
  margin-bottom: 8px;
}

#faq .panel-default {
  border: none;
}

#faq .panel-default>.panel-heading {
  background: #f0f0f0;
  color: #505050;
}

#faq .panel-heading {
  border: none;
  padding-top: 8px;
  padding-bottom: 6px;
}

#faq .panel-default>.panel-heading+.panel-collapse>.panel-body {
  border-top: none;
  padding-top: 22px;
  padding-left: 32px;
  padding-bottom: 22px;
}

#faq .panel-heading .panel-title a[data-toggle="collapse"] {
  font-size: 18px;
  font-weight: 500;
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  padding: 10px 15px;
}

#faq .panel-heading .panel-title a[data-toggle="collapse"]::after {
  content: "-";
  display: block;
  position: absolute;
  line-height: 1;
  right: 1em;
  top: 50%;
  transform: translateY(-50%);
}

#faq .panel-heading .panel-title a[data-toggle="collapse"].collapsed::after {
  content: "+";
}



/*---------------------------------------
   Venue section              
-----------------------------------------*/
#venue {
    background: url('../images/venue-bg.webp') 50% 0 repeat-y fixed;
    background-size: cover;
    background-position: center center;
    padding-top: 7rem;
    padding-bottom: 7rem;
}

#venue p {
  padding-top: 12px;
  padding-bottom: 18px;
}



/*---------------------------------------
   Sponsors section              
-----------------------------------------*/
#sponsors img {
  margin-top: 18px;
}



/*---------------------------------------
   Contact section              
-----------------------------------------*/
#contact {
    background: url('../images/contact-bg.jpg') 50% 0 repeat-y fixed;
    background-size: cover;
    background-position: center center;
}

#contact .contact_des {
  padding-top: 3rem;
  padding-right: 2rem;
}

#contact .contact_detail {
  background: #ffffff;
  padding: 5rem 5rem 12rem 5rem;
}

#contact .form-control {
  background: transparent;
  border: none;
  border-bottom: 1px solid #f0f0f0;
  border-radius: 0px;
  box-shadow: none;
  margin-bottom: 16px;
  transition: all 0.4s ease-in-out;
}

#contact .form-control:focus {
  border-bottom-color: #999;
}

#contact input {
  height: 45px;
}

#contact input[type="submit"] {
  background: #222;
  border-radius: 100px;
  border: none;
  color: #ffffff;
  letter-spacing: 2px;
  height: 50px;
  margin-top: 12px;
  transition: all 0.4s ease-in-out;
}

#contact input[type="submit"]:hover {
  background: #f2545f;
}



/*---------------------------------------
   Footer section              
-----------------------------------------*/
footer {
  background-attachment: fixed;
}



/* Back top */
.go-top {
  background-color: #222;
  bottom: 2em;
  right: 2em;
  color: #ffffff;
  font-size: 32px;
  display: none;
  position: fixed;
  text-decoration: none;
  width: 60px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  transition: all 0.4s ease-in-out;
}

.go-top:hover {
    background: #f2545f;
    color: #ffffff;
}


/*---------------------------------------
   Social icon             
-----------------------------------------*/
.social-icon {
    position: relative;
    padding: 0;
    margin: 0;
}

.social-icon li {
    display: inline-block;
    list-style: none;
}

.social-icon li a {
    color: #666;
    border-radius: 100px;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.4s ease-in-out;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    vertical-align: middle;
}

.social-icon li a:hover {
    background: #f2545f;
    color: #ffffff;
}



/*---------------------------------------
   Responsive styles            
-----------------------------------------*/
@media (max-width: 980px) {

  p {font-size: 13px;}

  .custom-navbar .navbar-brand {
    font-size: 2rem;
  }

  .custom-navbar .nav li a {
    font-size: 11px;
	line-height: 20px;
  }

  #intro { height: 65vh; }

  #video iframe {
    margin-top: 42px;
  }

  #contact .contact_detail {
  background: #ffffff;
/*  padding: 10rem 3rem 10rem 5rem;  */
padding: 4rem 1rem 1rem 1rem;
}

}

@media (max-width: 768px) {

  .custom-navbar .navbar-brand {
    line-height: 20px;
  }

  #overview img,
  #detail .col-md-4,
  #register form {
    padding-top: 32px;
  }

  .nav-tabs > li > a {
    font-size: 13px;
  }

  #program img {
    padding-right: 10px;
  }

  #sponsors img {
    padding-top: 22px;
  }

  #contact .contact_detail {
    margin-top: 82px;
  }

}

@media (max-width: 760px) {

  #intro {
    height: 100vh;
  }

}

/* カルーセルのスタイルカスタマイズ */
#intro {
    background: url('../images/intro-bg.jpg') 50% 0 repeat-y fixed;
    background-size: cover;
    background-position: center center;
    color: #ffffff;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.intro-content {
    padding: 80px 0;
}

/* カルーセルインジケーターのカスタマイズ */
.carousel-indicators li {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 5px;
}

/* カルーセルコントロールのカスタマイズ */
.carousel-control-prev, .carousel-control-next {
    width: 5%;
}

/* テキストアニメーション */
.carousel-item h1, .carousel-item h3, .carousel-item a {
    opacity: 0;
}

.carousel-item.active h3 {
    animation: fadeInDown 1s ease forwards;
    animation-delay: 0.0s;
}

.carousel-item.active h1 {
    animation: fadeInUp 1s ease forwards;
    animation-delay: 0.0s;
}

.carousel-item.active a {
    animation: fadeIn 1s ease forwards;
    animation-delay: 0s;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* CSSのみでINTRO SECTIONのスライドショーを実現 */

/* 基本的なINTRO SECTIONスタイル */
#intro {
    background-size: cover;
    background-position: center center;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* スライドショー背景のアニメーション */
#intro::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/intro-bg1.jpg'), url('../images/intro-bg2.jpg'), url('../images/intro-bg3.jpg');
    background-size: cover;
    background-position: center center;
    animation: bgSlideshow 18s linear infinite;
    z-index: -1;
}

/* 背景画像の切り替えアニメーション */
@keyframes bgSlideshow {
    0%, 28% {
        background-image: url('../images/intro-bg.jpg');
        opacity: 1;
    }
    33%, 61% {
        background-image: url('../images/overview-img.jpg');
        opacity: 1;
    }
    66%, 94% {
        background-image: url('../images/program-img1.jpg');
        opacity: 1;
    }
    29%, 32%, 62%, 65% {
        opacity: 0.7; /* トランジション効果のための透明度変更 */
    }
}

/* スライドショーコンテナ */
.slideshow-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

/* スライドショーの各アイテム */
.slideshow-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    padding: 20px;
    animation: slideContent 18s linear infinite;
}

/* 各スライドのタイミングをずらす */
.slideshow-item:nth-child(1) {
    animation-delay: 0s;
}

.slideshow-item:nth-child(2) {
    animation-delay: 6s;
}

.slideshow-item:nth-child(3) {
    animation-delay: 12s;
}

/* スライドコンテンツのアニメーション */
@keyframes slideContent {
    0%, 16.5% {
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
    }
    16.6%, 33.2% {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    33.3%, 100% {
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
    }
}

/* スライドの内容 */
.slideshow-content {
    padding: 80px 20px;
}

.slideshow-content h3 {
    font-size: 24px;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease-out;
}

.slideshow-content h1 {
    font-size: 52px;
    font-weight: 700;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out;
    animation-delay: 0.0s;
}

.slideshow-content .button-group {
    animation: fadeIn 1s ease-out;
    animation-delay: 0.0s;
}

/* フェードエフェクト */
.fade {
    animation-timing-function: ease-in-out;
}

/* インジケーター */
.slideshow-indicators {
    position: absolute;
    bottom: 20px;
    width: 100%;
    text-align: center;
    z-index: 2;
}

.indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 5px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

/* アクティブなインジケーターのアニメーション */
.indicator:nth-child(1) {
    animation: indicatorActive 18s infinite;
}

.indicator:nth-child(2) {
    animation: indicatorActive 18s infinite;
    animation-delay: 6s;
}

.indicator:nth-child(3) {
    animation: indicatorActive 18s infinite;
    animation-delay: 12s;
}

@keyframes indicatorActive {
    0%, 16.5%, 33.3%, 100% {
        background-color: rgba(255, 255, 255, 0.5);
    }
    16.6%, 33.2% {
        background-color: rgba(255, 255, 255, 1);
    }
}

/* テキストアニメーション */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .slideshow-content h1 {
        font-size: 36px;
    }
    
    .slideshow-content h3 {
        font-size: 18px;
    }
}

#detail p{
     text-align: left;
}
.sp_br {
  display: none; //768px以上では改行タグを無効に。
}
@media screen and (max-width: 768px) {
  .sp_br {
    display: block; //768px未満で改行タグを有効に。
  }
}
/* スライドショー関連のスタイル */
#intro {
    position: relative;
    overflow: hidden;
    background-color: transparent !important;
    background-image: none !important;
}

.intro-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.intro-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.intro-slide.active {
    opacity: 1;
}

/* 黒い半透明オーバーレイ */
.intro-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
 /*   background-color: rgba(0, 0, 0, 0.6);  */
    z-index: -1;
}

/* コンテンツが確実に見えるようにする */
#intro .container {
 /*   position: relative;  */
    z-index: 10;
}

/* テキスト切り替え用のスタイル */
.slide-text {
    opacity: 0;
    transition: opacity 1s ease-in-out;
    position: absolute;
    width: 100%;
    text-align: center;
    top: 0;
    left: 0;
    visibility: hidden; /* 非アクティブなテキストを完全に非表示にする */
}

.slide-text.active {
    opacity: 1;
    visibility: visible; /* アクティブなテキストのみ表示 */
}

/* テキストコンテナ用のスタイル - 高さを増やして2行分表示できるようにする */
.text-container {
/*    position: relative;  */
    height: 120px; /* テキストの高さに合わせて調整（2行分に増やす） */
    margin-bottom: 20px;
    overflow: visible; /* コンテナからはみ出るテキストも表示できるようにする */
    width: 100%; /* コンテナの幅を100%に設定 */
    max-width: 100%; /* 最大幅も設定 */
    margin: 0 auto; /* 中央寄せ */
}

/* H1のスタイルを調整して改行問題を解決 */
.text-container h1 {
    font-size: 36px; /* デフォルトのフォントサイズ */
    white-space: nowrap; /* 可能な限り改行を防止 */
    overflow: visible; /* はみ出しても表示される */
    width: 100%; /* 画面幅の70%を使用 */
    margin: 0 auto; /* 中央寄せ */
    text-align: center; /* テキストを中央寄せ */
    text-shadow :2px 2px 10px #000000,
     -2px 2px 10px #000000,
     2px -2px 10px #000000,
     -2px -2px 10px #000000;
}
.text-container h5 {
    text-shadow :2px 2px 10px #000000,
     -2px 2px 10px #000000,
     2px -2px 10px #000000,
     -2px -2px 10px #000000;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .text-container {
        height: 160px; /* モバイル表示時はさらに高さを確保 */
        width: 100%; /* 幅を100%に設定 */
    }
    
    .text-container h1 {
        font-size: 28px; /* モバイル表示時は少し小さく */
        white-space: normal; /* 必要に応じて改行を許可 */
        overflow: visible; /* はみ出しても表示される */
        padding: 0 10px; /* 左右の余白を確保 */
        line-height: 1.4; /* 行間を広げる */
        width: 100%; /* 画面幅の70%を維持 */
        margin: 0 auto; /* 中央寄せ */

    }
}

/* さらに小さい画面用 */
@media (max-width: 480px) {
    .text-container h1 {
        font-size: 24px; /* さらに小さい画面ではさらにフォントサイズを小さく */
    }
}

/* コラム一覧のスタイル */
#columns {
    padding: 60px 0;
    background-color: #ffffff;
}

.column-item {
    margin-bottom: 40px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-radius: 4px;
    overflow: hidden;
}

.column-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.column-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.column-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.column-content {
    padding: 20px;
    background-color: #fff;
}

.column-content h3 {
    margin-top: 0;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
    color: #222;
}

.column-content p {
    color: #777;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.column-date {
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
    display: block;
}

.column-category {
    display: inline-block;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    color: #fff;
    background-color: #f2545f;
    margin-bottom: 10px;
}

.column-link {
    text-align: right;
    display: block;
}

.column-link a {
    color: #f2545f;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}

.column-link a:hover {
    text-decoration: underline;
}

.column-pagination {
    text-align: center;
    margin-top: 30px;
}

.page-item.active .page-link {
    background-color: #f2545f;
    border-color: #f2545f;
}

.page-link {
    color: #f2545f;
}

.page-link:hover {
    color: #fff;
    background-color: #f2545f;
    border-color: #f2545f;
}

/* レスポンシブ対応 - スマホ表示時に2列に変更 */
@media (max-width: 768px) {
    .column-item {
        margin-bottom: 30px;
    }
    
    .column-image {
        height: 180px;
    }
    
    .column-content h3 {
        font-size: 18px;
    }
    
    /* スマホ表示時に2列に変更 */
    .col-xs-6 {
        width: 50%;
    }
}

@media (max-width: 480px) {
    .column-image {
        height: 140px;
    }
    
    .column-content {
        padding: 15px;
    }
    
    .column-content h3 {
        font-size: 16px;
    }
    
    .column-content p {
        font-size: 13px;
    }
}

css.thumbnail {
    margin-bottom: 10px;
}
.post-thumbnail {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}