@charset "utf-8";

.introduction-box{background:url(../img/index/introduction.jpg) top center no-repeat; -moz-background-size:100% auto; background-size:100% auto; padding-top: 500px; padding-bottom: 4%;}
.introduction-box .introduction_text_box,
.introduction-box .introduction_text_box2,
.introduction-box .introduction_text_box3,
.introduction-box .introduction_text_box4{width: 95%; max-width: 700px; margin: 0 auto; text-align: center; line-height:1.90; font-size: 18px; text-shadow: 1px 1px 3px #000; padding-bottom: 24px;}
.introduction-box .introduction_text_box3{max-width: 810px;}

.introduction-box .introduction_text_box2{font-size: 40px; font-weight: 800; color: #ff379b;}

.introduction-box .introduction_text_box br,
.introduction-box .introduction_text_box3 br,
.introduction-box .introduction_text_box4 br{display:block;}


@media screen and (max-width: 1000px) {
.introduction-box{background:url(../img/index/introduction.jpg) top center no-repeat; -moz-background-size:100% auto; background-size:100% auto; padding-top: 45%; padding-bottom: 7%;}

.introduction-box .introduction_text_box,
.introduction-box .introduction_text_box3,
.introduction-box .introduction_text_box4{font-size: 1.9vw;}
.introduction-box .introduction_text_box2{font-size: 3.6vw; font-weight: 800; color: #ff379b;}

}



@media screen and (max-width: 640px) {
.introduction-box {padding-top: 50%; padding-bottom: 7%;}
.introduction-box .introduction_text_box,
.introduction-box .introduction_text_box3,
.introduction-box .introduction_text_box4{line-height:1.90; font-size: 2vw;}
.introduction-box .introduction_text_box2{line-height:1.60; font-size: 6vw; font-weight: 800; color: #ff379b;}
.introduction-box .introduction_text_box br,
.introduction-box .introduction_text_box3 br{display:none;}
}




@media screen and (max-width: 420px) {
.introduction-box {padding-top: 48%; padding-bottom: 3%;}

.introduction-box .introduction_text_box,
.introduction-box .introduction_text_box3,
.introduction-box .introduction_text_box4{line-height:1.90; font-size: 14px;}
.introduction-box .introduction_text_box2{font-size: 18px; padding-bottom: 0;}
}