/*全体フォント設定*/
body {
  font-family: 'Noto Sans JP', sans-serif;
  margin: 0;
}

img {
  width: 100%;
}

.forum p {
  margin: 0;
}

.all_obi {
  margin-top: 95px;
  position: relative;
  background-image: url(../2025webp/durstforum2025_1.webp);
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 645px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.all_obi::before{
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: #0c0c0ca6;
  }

/*header*/
header {
  background: black;
}

.header_btn a {
  color: white;
  text-decoration: none;
  margin-right: 2rem;
}

/*durstロゴ*/
img.durst_logo {
  max-width: 82px;
  margin-right: 12px;
}

.logo_box {
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-size: 20px;
  font-weight: bold;
  line-height: 1.2;
  color: white;
}

#blbar {
	width: 100%;
	position: fixed;
	top: 0;
	z-index: 50;
}

.header_box {
  display: flex;
  justify-content: space-between;
  padding: 17px 0;
 /* max-width: 1200px;*/
  margin: auto;
  width: 95%;
}

span.logo_small {
  font-size: 13px;
}

a.home_btn {
  color: #5e5e5e;
  /* background: #aeaeae; */
  border: 1px solid;
  display: block;
  padding: 9px 15px;
  width: 172px;
  height: 48%;
  text-align: center;
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: auto;
  font-size: 1.2rem;
}
a.home_btn:hover {
  opacity: 0.8;
  transition: 0.3s;
}

.header_btn {
  display: flex;
}

.heder_btn_box {
  display: flex;
  align-items: center;
}

.header_btn2 a {
  /* background: red; */
  background-image: linear-gradient(90deg, #07484D, #39305F, #840284);
  width: 100px;
  color: white;
  margin-left: 10px;
  font-weight: 400;
  letter-spacing: 0.1rem;
  height: 100%!important;
}
/*forumボックス*/
.forum {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
}

.contents_width {
  max-width: 1200px;
  width: 95%;
  margin: auto;
}

.forum img {
  max-width: 575px;
  width: 51%;
}
.forum {
  display: flex;
  align-items: center;
  /* background: #F2F2F2; */
  padding: 1.6rem 1.6rem 1.6rem 3.6rem;
  justify-content: center;
  align-items: center;
  /* margin: auto; */
  /* margin-top: 5rem; */
  color: white;
  margin-bottom: 3rem;
  z-index: 1;
  text-align: center;
}

h1 {
  font-size: 5.4rem;
  font-weight: bold;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  font-family: 'Roboto', sans-serif;
}

/*zoom*/
p.zoom_p img {
  width: 50px;
  height: max-content;
  margin-right: 0.6rem;
  margin: auto 0.6rem;
}
p.zoom_p {
  font-size: 1.8rem;
  font-weight: 600;
  display: flex;
  justify-content: center;
}

p {
  line-height: 2;
  font-size: 17px;
}

span.back_black {
  background: black;
  color: white;
  padding: 0.3rem 1rem;
  margin-right: 1rem;
  font-size: 1.3rem;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 0.5rem;
}
p.day {
  font-size: 1.4rem;
  font-weight: bold;
  margin-top: 2rem;
}
.line-1 {
  width: 40%;
  border-bottom: 1px solid;
  margin-top: 1.6rem;
  margin-bottom: 2rem;
}

p.forum-p {
  font-size: 1.45rem;
  font-weight: 900;
}

p.forum-p2 {
  font-size: 1.2rem;
  font-weight: 600;
}

span.day_big {
  font-size: 2.3rem;
}

/*メイン画像上のボタン*/
.forum-1 .button18 a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin: 0 auto;
  padding: 0.5em 2em;
  width: 211px;
  color: white;
  font-size: 23px;
  font-weight: 600;
  background-color: #002F79;
  transition: 0.3s;
  text-decoration: none;
}

.forum-1 .button18 a::after {
  content: '';
  position: absolute;
  top: 63%;
  right: 16px;
  transform: translateY(-50%);
  width: 52px;
  height: 1.5px;
  background-color: white;
  transition: 0.3s;
}

/*画像スライド複数*/
.img_content {
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  gap: 4px;
}

.img_content img {
  flex: 1;
  /* max-width: 230px; */
  height: 140px;
  padding: 5px 2px 1px;
  background: black;
}

h2 {
  font-size: 2.1rem;
  font-weight: 500;
  text-align: center;
  margin-top: 4rem;
}


/*応募ボタン*/

.button18 a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin: 0 auto;
  padding: 0.7em 2em;
  width: 144px;
  color: white;
  font-size: 18px;
  font-weight: 600;
  background-color: #002F79;
  transition: 0.3s;
  text-decoration: none;
}

.button18 a::before {
  content: '';
  position: absolute;
  top: calc(50% - -7px);
  right: 16px;
  transform: translateY(calc(-50% - 2px)) rotate(30deg);
  width: 8px;
  height: 1.5px;
  background-color: white;
  transition: 0.3s;
}

.button18 a::after {
  content: '';
  position: absolute;
  top: 63%;
  right: 16px;
  transform: translateY(-50%);
  width: 24px;
  height: 1.5px;
  background-color: white;
  transition: 0.3s;
}

.button18 a:hover {
  text-decoration: none;
  background-color: #002F79;
  opacity: 0.8;
}

.button18 a:hover::before,
.button18 a:hover::after {
  right: 0.5em;
}


/*見出し*/
.title_all {
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  background-image:url(../img/back_grd.webp);
  background-size:cover;
  color: white;
}

.line-2 {
  width: 50px;
  border-bottom: 2px solid white;
  margin: 1rem auto;
  /* color: white; */
}

.title_all {
  margin-top: 3rem;
      margin-left: calc(-49vw + 50%);
    margin-right: calc(-49vw + 50%);
  background-image: url(../img/back_grd.webp);
  background-size: cover;
  color: white;
  height: 255px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

p.session_title2 {
  font-size: 1.2rem;
  margin: 0!important;
  padding: 0;
}

.title_all p {
  text-align: center;
}

p.session_title1 {
  font-size: 2.6rem;
  font-weight: 500;
  letter-spacing: 0.2rem;
  margin: 0;
  font-family: 'Roboto', sans-serif;
}

.heading08 {
  font-size: 33px;
  margin-top: 5rem;
  font-weight: 500;
  line-height: 1.5;
}

.heading08 span {
  display: flex;
  align-items: center;
  color: black;
  font-size: 18px;
  text-transform: uppercase;
  font-weight: 400;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.heading08 span::before {
  content: '';
  display: inline-block;
  margin-right: 20px;
  width: 60px;
  height: 0.7px;
  background-color: black;
}

/*機械画像*/
p.machine {
  font-size: 2.5rem;
  margin: 0;
  font-weight: 300;
  margin-top: -2rem;
  display: inline-block;
}

p.machine_p {
  display: inline-block;
  margin-left: 1rem;
  font-size: 1.3rem;
}

span.span_big {
  font-size: 1.6rem;
  font-weight: 600;
  margin-right: 0.5rem;
}

span.number {
  background: black;
  box-sizing: border-box;
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  color: white;
  text-align: center;
  padding-top: 1px;
  /* display: flex; */
  margin-right: 8px;
  margin-bottom: 0.5rem;
}

ul {
  list-style: none;
  padding-left: 0.7rem;
  font-size: 1.1rem;
}

/*ゲストスピーカー*/
img.speaker {
  max-width: 270px;
}

.speaker_box {
  display: flex;
  justify-content: center;
  margin-top: 4rem;
  align-items: center;
}

.speaker_box img {
  margin-right: 3rem;
}

.speaker_box {
  display: flex;
  justify-content: center;
  margin-top: 4rem;
  align-items: center;
  margin-bottom: 3rem;
}

/*セミナー情報*/

/*見出し*/
h3 {
  position: relative;
  margin-bottom: 0.2rem;
  font-weight: 500;
  font-size: 26px;
  text-align: left;
  margin-top: 5rem;
  margin-bottom: 4rem;
  padding-left: 1.5rem;
}
h3::before {
  position: absolute;
  top: -59px;
  left: 5%;
  transform: translateX(-50%);
  color: #bcbcbc38;
  font-size: 130px;
  text-transform: uppercase;
  content: '01';
  z-index: -1;
  font-family: 'Roboto', sans-serif;
}
.seminar_box, .seminar_box2 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

 .seminar_box2 {
  display: flex;
  margin-bottom: 5rem;
}

.seminar_box img,
.seminar_box2 img {
  width: 48%;
  height: fit-content;
}

p.form_p {
  font-size: 1.4rem;
  text-align: center;
  margin-top: 5rem;
  font-weight: 600;
}

/*見出し数字*/
h3.\30 2:before {
  content: '02';
  left: 58px;
}
h3.\30 3:before {
  content: '03';
  left: 58px;
  top: -40px;
}

h3.\30 4:before {
  content: '04';
  left: 58px;
}

h3.\30 5:before {
  content: '05';
  left: 58px;
  top: -40px;
}

/*動画幅*/
.seminar_box2 video {
  width: 48%;
  height: fit-content;
}

/*注意書き*/
p.small {
  text-align: center;
}

/*応募フォームボタン*/



.btn,
a.btn,
button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

a.btn-gradient {
  margin-bottom: 6rem;
  font-size: 1.6rem;
    height: 228px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 500;


  color: #fff;
  border-radius: 0;
  background-image: -webkit-gradient(
    linear,
    left top,
    right top,
    color-stop(40%, #ff3cac),
    to(#562b7c)
  );
  background-image: -webkit-linear-gradient(left, #ff3cac 40%, #562b7c 100%);
  background-image: linear-gradient(90deg, #07484D 40%, #39305F 100%);
}

a.btn-gradient:after {
  position: absolute;
  top: 0;
  left: 0;

  width: 100%;
  height: 100%;

  content: "";
  -webkit-transition: all 0.5s;
  transition: all 0.5s;

  background-image: -webkit-gradient(
    linear,
    left top,
    right top,
    from(#07484D),
    color-stop(#39305F),
    to(#840284)
  );

  background-image: -webkit-linear-gradient(left, #ff3cac, #562b7c, #2b86c5);

  background-image: linear-gradient(90deg, #07484D, #39305F, #840284);
}

a.btn-gradient span {
  position: relative;
  z-index: 1;
}

a.btn-gradient:hover {
  color: #fff;
}

a.btn-gradient:hover:after {
  opacity: 0;
}

.btn_in {
  border: 1px solid;
  padding: 0.6rem;
  margin-top: 2rem;
  max-width: 288px;
  width: 90%;
  margin: 2rem auto;
  font-size: 1.3rem;
}

@media screen and (max-width:1200px) {
  h1 {
    font-size: 3rem;
    font-weight: bold;
}
  p.forum-p {
    font-size: 1rem;
}
p.forum-p2 {
  font-size: 1rem;
}

p.day {
  font-size: 1.4rem;
}

span.day_big {
  font-size: 2rem;
}
/*.img_content img {
  max-width: 155px;
}*/

.logo_box {
  font-size: 13px;
}

.header_btn a {
  color: white;
  text-decoration: none;
  margin-right: 1.2rem;
  font-size: 0.9rem;
}

.button18 a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin: 0 auto;
  padding: 0.7em 1em;
  width: 140px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  background-color: #002F79;
  transition: 0.3s;
  text-decoration: none;
}

.forum-1 .button18 a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin: 0 auto;
  padding: 0.5em 1.5em;
  width: 165px;
  color: white;
  font-size: 18px;
  font-weight: 600;
  background-color: #002F79;
  transition: 0.3s;
  text-decoration: none;
}

.forum-1 .button18 a::after {
  content: '';
  position: absolute;
  top: 65%;
  right: 16px;
  transform: translateY(-50%);
  width: 32px;
  height: 1.5px;
  background-color: white;
  transition: 0.3s;
}

p.zoom_p {
  font-size: 1.4rem;
}

header .button18 a::after,
header .button18 a::before {
display: none;
}

h2 {
  font-size: 1.5rem;
  font-weight: 500;
  text-align: center;
  margin-top: 4rem;
}

}

@media screen and (max-width:830px) {

  p.p_1 {
    text-align: left!important;
}

  .img_content img {
  /*  max-width: 120px;*/
}

  .forum {
    flex-direction: column;
    padding: 1rem 1rem 2rem;
    margin-bottom: 0;
}

.forum img{
  width: 91%;
  max-width: none;
}
.forum-1 {
  width: 100%;
}

.all_obi {
  height: 430px;
}

p.machine {
  font-size: 1.5rem;
}

.seminar_box {
  flex-direction: column;
}
.seminar_box div {
  width: 100%;
}

.seminar_box img, .seminar_box2 img {
  width: 100%;
  height: fit-content;
  margin-bottom: 1rem;
}

.seminar_box2 {
  flex-direction: column;
}

.seminar_box2 video {
  width: 100%;
  height: fit-content;
  margin-bottom: 0.5rem;
}


h3 {
  margin-top: 1rem;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

}

@media screen and (max-width: 568px){

  span.company_name {
    font-size: 1.2rem!important;
}


  .seminar_box, .seminar_box2 {
    margin-bottom: 0rem;
}

  h3.\30 2:before {
    content: '02';
    left: 32px;
}

h3.\30 3:before {
  content: '03';
  left: 32px;
  top: -27px;
}

h3.\30 4:before {
  content: '04';
  left: 32px;
}

h3.\30 5:before {
  content: '05';
  left: 32px;
  top: -27px;
}

  h3::before {
    position: absolute;
    top: -40px;
    left: 9%;
    transform: translateX(-50%);
    color: #bcbcbc38;
    font-size: 64px;
    text-transform: uppercase;
    content: '01';
    z-index: -1;
}

  h3 {
    position: relative;
    margin-bottom: 0.2rem;
    font-weight: 500;
    font-size: 17px;
    text-align: left;
    margin-top: 2rem;
    margin-bottom: 2rem;
    padding-left: 1.5rem;
}

  .line-2 {
    margin: 0.5rem auto;
  }

  .title_all {
    height: 146px;
  }

  p.session_title2 {
    font-size: 1rem;
  }

  p.session_title1 {
    font-size: 1.6rem;
  }

  p.machine_p {
    display: inline-block;
    margin-left: 1rem;
    font-size: 12.5px;
}

.speaker_box img {
  margin-right: 0;
    max-width: 186px;
}

.speaker_box {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
  align-items: center;
  margin-bottom: 2rem;
  flex-direction: column;
}

  h2 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-top: 2rem;
  }

  .forum-1 .button18 a::after {
    content: '';
    position: absolute;
    top: 70%;
    right: 17px;
}

  .forum-1 .button18 a {
    width: 135px;
    color: white;
    font-size: 14px;
}

  p.day {
    margin-top: 1rem;
}

  p.zoom_p img {
    width: 32px;
    height:32px;
  }

  p.zoom_p {
    font-size: 1.1rem;
}

  a.pc_only {
    display: none;
}

  .img_content img {
   /* max-width: 89px;*/
}
  .btn_in {
    margin: 1rem auto;
}
  h1 {
    font-size: 2rem;
  }
.forum {
    padding: 0;
    margin-bottom: 1.5rem;
}

p.forum-p {
  font-size: 0.75rem;
  font-weight: 900;
  line-height: 1.6;
}

p.forum-p2 {
  font-size: 0.9rem;
  font-weight: 600;
}

p.day {
  font-size: 1rem;
}

span.day_big {
  font-size: 1.3rem;
}

.button18 a {
  padding: 0.7em 0.6em;
  max-width: 224px;
  text-align: center;
  display: flex;
  justify-content: center;
  font-size: 12px;
}

  .heading08 {
    font-size: 20px;
}

.heading08 span {
  font-size: 14px;
}

p {
  font-size: 13.5px;
}

p.machine {
  font-size: 1rem;
  margin-top: -1rem;
}

.all_obi {
  margin-top: 45px;
  height: 330px;
  background-size: cover;
}

.forum {
  margin-top: 2.5rem;
  padding-bottom: 2rem;
}

img.durst_logo {
  max-width: 46px;
  margin-right: 7px;
}
.logo_box {
  font-size: 13px;
}

a.home_btn {
  color: white;
  background: #C0C0C0;
  display: block;
  padding: 6px 15px;
  width: 128px;
  text-align: center;
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.heading08 span::before {
  content: '';
  display: inline-block;
  margin-right: 10px;
  width: 35px;
  height: 0.7px;
  background-color: black;
}

ul {
  padding-left: 0rem;
  font-size: 0.9rem;
}
span.number {
  width: 1.5rem;
  font-size: 0.8rem;
  height: 1.5rem;
  border-radius: 50%;
  color: white;
  text-align: center;
  padding-top: 2px;
  /* display: flex; */
  margin-right: 8px;
  margin-bottom: 0.5rem;
}

span.span_big {
  font-size: 1.1rem;
  font-weight: bold;
  margin-right: 0.2rem;
}

span.back_black {
  background: black;
  color: white;
  padding: 0.3rem 0.3rem;
  margin-right: 0.5rem;
  font-weight: bold;
  font-size: 0.8rem;
}

p.form_p {
  font-size: 1rem;
  line-height: 1.7;
}

.btn, a.btn, button.btn {
  padding: 1rem 0rem;
}

a.btn-gradient {
  font-size: 1rem;
}

.btn_in {
  width: 90%;
  font-size: 1rem;
}

a.btn-gradient {
  height: 168px;
}

span.logo_small {
  font-size: 10px;
}

p.form_p {
  margin-top: 2rem;
}
}

/*フッター*/
.footer_box {
  display: flex;
  justify-content: space-between;
  max-width: 1200px;
  width: 90%;
  margun: auto;
  margin: auto;
}

footer {
  background: black;
  color: white;
  padding-top: 2rem;
  padding-bottom: 3rem;
  width: 100vw;
  margin-top: -10px;
}

.footer_box1 {
    text-decoration: none;
    display: flex;
    color: white;
    align-items: center;
}

.footer_box1 img {
  width: 8rem;
  height: fit-content;
  margin: auto;
  /* display: flex; */
  margin-right: 1rem;
}

@media screen and (max-width: 930px){
.footer_box {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  max-width: 1200px;
  width: 90%;
  margin: auto;
}
.footer_box1 img {
  width: 100px;
  height: 41px;
  margin: auto 1rem auto 0;
}

}


/*ページトップへ*/
html {
  scroll-behavior: smooth;
}
.pagetop {
  height: 50px;
  width: 50px;
  position: fixed;
  right: 30px;
  bottom: 30px;
  background: #fff;
  border: solid 2px #000;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}


@media (hover: hover) and (pointer: fine) {
  .pagetop:hover, .pagetop:hover .pagetop__arrow {
      border-color: #9c9c9c;
  }
}

.pagetop__arrow {
  height: 10px;
  width: 10px;
  border-top: 3px solid #000;
  border-right: 3px solid #000;
  transform: translateY(20%) rotate(-45deg);
}

@media screen and (max-width: 930px){
  .pagetop {
    height: 32px;
    width: 32px;
    position: fixed;
    right: 10px;
    bottom: 15px;
    background: #fff;
    border: solid 2px #000;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.pagetop__arrow {
  height: 6px;
  width: 6px;
  border-top: 2px solid #000;
  border-right: 2px solid #000;
  transform: translateY(20%) rotate(-45deg);
}
}

p.small_p {
  font-size: 0.8rem;
}


/*スライド画像調整*/

@media screen and (max-width: 2160px){
  .img_item10{
    display: none;
  }
  .img_content img {
	  height: 140px;
  }
}

@media screen and (max-width: 1830px){
  .img_item9,.img_item11{
    display: none;
  }
}

@media screen and (max-width: 1616px){
  .img_item8,.img_item5{
    display: none;
  }
}

@media screen and (max-width: 1428px){
  .img_item7,.img_item2{
    display: none;
  }
}

@media screen and (max-width: 1364px){
  .img_item12,.img_item4{
    display: none;
  }
}

@media screen and (max-width: 1132px){
  .img_item6,.img_item13{
    display: none;
  }
  .img_content img {
	  height: 160px;
  }


@media screen and (max-width: 880px){
	.img_content img {
	  height: 100px;
  }

}
@media screen and (max-width: 780px){
  .img_item43{
    display: none;
  }

}