@charset "utf-8";

/* =============================================
	system ボトム共通
============================================= */
.sys-content__main{
  padding: 20px 15px 40px;
  background-color: #fff;
}
.seminar__wrap > div h2{
  font-size: 2.0rem;
  text-align: left;
}
.sys-btm__header{
  padding: 10px;
  background-color: var(--ict-bg-color-dark);
}
.sys-nav{
  display: flex;
  gap: 30px;
}
.sys-nav__list{
  display: flex;
  gap: 20px;
}
.sys-nav a,
.sys-nav__list a{
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem;
  color: #1f1f1f;
  transition: all 0.2s ease;
}
.sys-nav__list a{
  display: inline-block;
  padding-bottom: 5px;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  border-bottom: 2px solid var(--ict-bg-color-dark);
}
.sys-nav a:hover,
.sys-nav__list a:hover{
  opacity: 0.8;
}
.sys-nav__list .current a{
  border-bottom: 2px dotted var(--ict-color);
}
.sys-content-index__header{
  padding: 40px 20px;
  background-image: url(/nikken/system/img/bg.png), linear-gradient(0deg, var(--ict-bg-color-light) 70%, var(--ict-bg-color) 95%);
  background-repeat: no-repeat;
  background-position: 290% 0;
}
.sys-btm__ttl{
  margin-bottom: 5px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(1.7rem, calc(1.4rem + 1.28vw), 2rem); /* 375-750 */
  font-weight: 900;
  line-height: 1.4;
  vertical-align: middle;

}
.sys-btm__ttl span{
  position: relative;
  font-size: 0.78em;
  line-height: 1.2;
  vertical-align: middle;
}
.sys-btm__ttl span.ttl-wrap{
  display: block;
  margin-top: 8px;
}
.sys-btm__ttl span.ttl-head{
  display: block;
  line-height: 1.25;
}
.sys-btm__ttl span.ttl-main{
  flex: 1;
  line-height: 1.25;
}
.sys-btm__ttl span.ttl-small{
  bottom: 0.1em;
}
.sys-btm__ttl span.software-typ{
  font-size: 0.5em;
  font-weight: normal;
}
.sys-btm__ttl:has(span){
  margin-bottom: 10px;
  line-height: 1.1;
}
.sys-btm__ttl.ttl--s{
  font-size: 2.4rem;
  font-weight: 700;
}
.seminar__wrap{
  margin: 50px 0;
}
.seminar__wrap > div{
  margin: 0 0 50px;
}
.seminar__wrap > div h2{
font-size: 2.0rem;
text-align: center;
}
.sys-btm .event-list__link{
  position: absolute;
  right: 0;
  bottom: 0;
  display: inline-block;
  padding: 10px 20px;
}
.sys-btm__footer{
  padding: 70px 0 90px;
  background-color: #f4f6f4;
}
.sys-btm__index{
  padding: 30px 0;
  margin: 0;
  background-color: #fff;
  border-top: 1px solid var(--line-light2);
}
.sys-content__main .btn-link{
  margin: 50px auto 0;
}
.sys-content__main .btn-link a{
 position: relative;
  padding: 20px;
  background: none;
  background: linear-gradient(-45deg, var(--ict-btn) 0%, var(--ict-btn-dark) 50%, var(--ict-btn-dark) 100%);
  box-shadow: 0 3px 3px rgb(0 0 0 / 5%);
}
.sys-content__main .btn-link.btn-link-list a span{
  display: block;
  font-weight: normal;
  font-size: 1.5rem;
}

.sys-content__main .btn-link a::after{
  position: absolute;
  top: 0;
  right: 15px;
  bottom: 0;
  z-index: 10;
  width: 12px;
  height: 16px;
  margin: auto 0;
  content: ' ';
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 5.88 7.88"><path d="m1.35.22-.82.82 2.83 2.84L.53 6.71l.82.82L5 3.88 1.35.22z" style="fill:rgb(171, 241, 247)"/></svg>');
  background-position: right center;
  background-size: 100% auto;
  transition: all 0.2s ease;
}
.sys-content__main .btn-link.btn-link-list a{
  display: block;
}
.sys-content__main .btn-link.btn-link-list a::after{
  transform: rotate(90deg);
}
.sys-content__main .btn-link.btn-link-list a::before{
  content: none;
}

.sys-btm__index .sys-btm-nav__list{
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
}
.sys-btm__index .sys-btm-nav__list a{
  position: relative;
  display: inline-block;
  padding: 5px;
}
.sys-btm__index .sys-btm-nav__list a::before{
  position: absolute;
  top: 0;
  right: -10px;
  bottom: 0;
  width: 1px;
  height: 90%;
  margin: auto 0;
  content: ' ';
  border-right: 1px solid var(--line-light);
}
.sys-btm__index .sys-btm-nav__list li.current a{
  border-bottom: 1px solid var(--ict-color);
}
.sys-btm__index .sys-btm-nav__list li:last-child a::before{
  content: none;
}
.event-ttl{
  margin: 60px 0 30px;
  font-size: 2.5rem;
  font-weight: 900;
  border-bottom: 3px solid #f7f7f7;
}
.event-ttl span{
  position: relative;
  display: inline-block;
  padding: 0 0 15px;
}
.event-ttl span::before{
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 20px;
  height: 3px;
  margin: 0;
  content: ' ';
  background: var(--ict-color);
}
.event-ttl--lv2{
  padding: 20px 25px;
  margin: 50px 0 20px;
  font-size: 1.8rem;
  background:linear-gradient(-45deg, var(--ict-bg-color) 92%, var(--ict-bg-color-dark) 0);
}
.event-ttl--lv3{
  margin: 20px 0 10px;
  font-size: 1.7rem;
}
.event-ttl--lv3:first-child{
  margin-top: 10px;
}
ol.decimal > li{
  margin-bottom: 30px;
}
.guidance-cont ol.decimal > li{
    margin-bottom: 0;
}
.guidance-cont-ttl--lv1{
  font-size: 1.9rem;
}
.ttl-img__wrap{
  display: flex;
  gap: 5px;
  align-items: center;
  justify-content: flex-start;
}
.guidance-cont-ttl--lv2,
h4.guidance-cont-ttl--lv2{
  margin-bottom: 5px;
  font-size: 1.7rem;
}

/* 連続するシンプルなグループ間の余白調整 */
.simple-box:not(:last-child){
  margin-bottom: 10px;
}
.related{
  margin: 16px 0 0;
}
.related a{
  text-decoration: underline;
  transition: a 0.2s ease;
}
.related a:hover{
  opacity: 0.8;
}


/* ===========================================
	MediaQueries
=========================================== */

/* スマホ----------------------------- */
@media screen and (width <= 767px){
  .sys-nav{
    display: flex;
    gap: 20px;
  }
  .sys-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32%;
  }
  .sys-logo a{
    display: inline-block;
    width: 100%;
  }
  .sys-logo img{
    width: 100%;
    height: auto;
    vertical-align: middle;
  }
  .sys-nav a,
  .sys-nav__list a{
    font-size: 1.25rem;
  }
  .event-outline div {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin: 0 0 5px;
  }
  .sys-nav__list li:first-child{
    display: none;
  }
  .sys-btm__index {
    padding-top: 30px;
    border-top: 1px solid #d1d1d1;
  }
  .sys-btm__index .sys-btm-nav__list{
     margin: 0 15px;
  }
  .sys-btm__footer{
    padding: 50px 15px;
  }
  .sys-content-box__header{
    text-align: left;
  }
  .sys-btm__index .sys-btm-nav__list a{
   text-align: center;
  }

}

/* PC----------------------------- */
@media screen and (width >= 768px){
  .sys-content__main{
    padding: 50px 0;
  }
  .sys-content-index__header{
    padding: 50px 10px;
    background-repeat: no-repeat;
    background-position: top left;
  }
  .sys-btm__header{
    padding: 30px;
  }
  .sys-nav{
    display: flex;
    gap: 30px;
  }
  .sys-logo img{
    width: 200px;
  }
  .sys-nav__list{
    margin-top: 5px;
  }
  .sys-nav a,
  .sys-nav__list a{
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.6rem;
    color: var(--font-dark);
  }
  .event-ttl--lv2{
    padding: 20px 40px;
  }
  .sys-btm__ttl{
    margin-bottom: 5px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: clamp(1.6rem, calc(1.22rem + 1.9vw), 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    vertical-align: middle;
  }
  .sys-btm__ttl span{
    position: relative;
    font-size: 0.7em;
    line-height: 1.2;
    vertical-align: middle;
  }
  .sys-btm__ttl span.ttl-wrap{
    display: flex;
    flex-wrap: wrap;
    margin-top: 5px;
  }
  .sys-btm__ttl span.ttl-head{
    min-width: 5em;
    line-height: 1.4;
  }
  .sys-btm__ttl span.ttl-main{
    flex: 1;
    line-height: 1.4;
  }
}