@media (min-width: 769px) {
  .header_inner_nav {
    max-width: 750px;
    padding-right: 20px;
    display: flex;
    justify-content: flex-end;
  }
}
@media (max-width: 1350px) {
  .header_inner_nav {
    max-width: 380px;
    padding-right: 0;
  }
}
.lower-briefing {
  --color01: #f2c160;
  --color02: #f2729a;
  --color03: #63dc8b;
  --color04: #8683d6;
  --color05: #72c1f3;
}
.lower-briefing .sec_briefing {
  padding-bottom: 40px;
}
.lower-briefing .briefing_anchor {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 80px;
}
@media (max-width: 768px) {
  .lower-briefing .briefing_anchor {
    justify-content: flex-start;
    gap: 8px;
    margin: 40px -10px 0;
  }
}
.lower-briefing .briefing_anchor_item {
  flex: 0 0 auto;
}
@media (max-width: 768px) {
  .lower-briefing .briefing_anchor_item {
    flex: 0 0 calc(50% - 4px);
  }
  .lower-briefing .briefing_anchor_item:nth-child(odd):last-child {
    flex: 0 0 auto;
    min-width: calc(50% - 4px);
  }
}
.lower-briefing .briefing_anchor_item a {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.1em;
  font-weight: bold;
  line-height: 1.6;
  color: #ffffff;
  padding: 1em 1.5em 1em 1em;
  border-radius: 500px;
  transition: 0.4s;
}
@media (max-width: 768px) {
  .lower-briefing .briefing_anchor_item a {
    font-size: 0.9em;
    padding: 1em;
  }
}
@media (any-hover: hover) {
  .lower-briefing .briefing_anchor_item a:hover {
    translate: 0 -5px;
  }
}
.lower-briefing .briefing_anchor_item a span {
  margin: 0 auto;
  padding: 0 1em;
}
@media (max-width: 768px) {
  .lower-briefing .briefing_anchor_item a span {
    margin: 0;
    padding: 0;
  }
}
.lower-briefing .briefing_anchor_item a::after {
  content: '↓';
}
.lower-briefing .briefing_anchor_item a[href="#cat01"] {
  background: var(--color01);
}
.lower-briefing .briefing_anchor_item a[href="#cat02"] {
  background: var(--color02);
}
.lower-briefing .briefing_anchor_item a[href="#cat03"] {
  background: var(--color03);
}
.lower-briefing .briefing_anchor_item a[href="#cat04"] {
  background: var(--color04);
}
.lower-briefing .briefing_anchor_item a[href="#cat05"] {
  background: var(--color05);
}
.lower-briefing .briefing_list_title {
  text-align: center;
  font-size: 2em;
  font-weight: bold;
  color: #ffffff;
  line-height: 1.5;
  margin-top: 64px;
  padding: 0.7em 1em;
}
@media (max-width: 768px) {
  .lower-briefing .briefing_list_title {
    font-size: 1.4em;
    margin-top: 40px;
  }
}
.lower-briefing .briefing_list_title#cat01 {
  background: var(--color01);
}
.lower-briefing .briefing_list_title#cat02 {
  background: var(--color02);
}
.lower-briefing .briefing_list_title#cat03 {
  background: var(--color03);
}
.lower-briefing .briefing_list_title#cat04 {
  background: var(--color04);
}
.lower-briefing .briefing_list_title#cat05 {
  background: var(--color05);
}
.lower-briefing .briefings {
  --colorTxt: #8683d6;
  margin-top: 30px;
}
@media (max-width: 768px) {
  .lower-briefing .briefings {
    margin-top: 20px;
  }
}
.lower-briefing .briefings_item {
  position: relative;
  z-index: 1;
  margin-bottom: 32px;
  padding: 20px 20px 0;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item {
    margin-bottom: 24px;
    padding: 0;
  }
}
.lower-briefing .briefings_item:last-child {
  margin-bottom: 0;
}
.lower-briefing .briefings_item::before {
  content: '';
  aspect-ratio: 1 / 1;
  width: 340px;
  position: absolute;
  z-index: -1;
  left: 0;
  top: 0;
  background: var(--colorTxt);
  opacity: 0.1;
  clip-path: polygon(100% 0, 0 0, 0 100%);
  pointer-events: none;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item::before {
    left: -10px;
    top: -10px;
  }
}
.lower-briefing .briefings_item_body {
  padding: 45px 50px 50px;
  background: #ffffff;
  box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.11);
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body {
    padding: 7% 7% 8%;
  }
}
.lower-briefing .briefings_item_body .title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.66;
  margin-bottom: 50px;
  padding-bottom: 0.8em;
  border-bottom: 1px solid #dddddd;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }
}
.lower-briefing .briefings_item_body .body {
  display: flex;
  align-items: flex-start;
  gap: 30px 5.5%;
}
@media (max-width: 1024px) {
  .lower-briefing .briefings_item_body .body {
    flex-wrap: wrap;
  }
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body {
    gap: 0;
  }
}
.lower-briefing .briefings_item_body .body .dates {
  flex: 0 0 200px;
  display: flex;
  flex-flow: column;
  justify-content: center;
  align-items: center;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .dates {
    margin: 0 auto;
  }
}
.lower-briefing .briefings_item_body .body .dates .pref {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5em;
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 14px;
}
.lower-briefing .briefings_item_body .body .dates .pref::before,
.lower-briefing .briefings_item_body .body .dates .pref::after {
  content: '';
  flex: 0 0 0.5em;
  width: 0.5em;
  height: 1px;
  background: currentColor;
}
.lower-briefing .briefings_item_body .body .dates .ymdw {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0.2em;
  padding-bottom: 28px;
}
.lower-briefing .briefings_item_body .body .dates .ymdw::after {
  content: '';
  display: block;
  height: 6px;
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(to right, #e49228 0%, #e49228 20%, #f2729a 20%, #f2729a 40%, #2bbe4e 40%, #2bbe4e 60%, #4946b3 60%, #4946b3 80%, #3692e7 80%, #3692e7 100%);
  opacity: 0.5;
}
.lower-briefing .briefings_item_body .body .dates .ymdw .year {
  position: absolute;
  left: 0;
  top: 0.7em;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--colorTxt);
}
.lower-briefing .briefings_item_body .body .dates .ymdw .date {
  font-size: 3.8rem;
  line-height: 1;
}
.lower-briefing .briefings_item_body .body .dates .ymdw .date strong {
  font-size: 1.85em;
  font-weight: 400;
}
.lower-briefing .briefings_item_body .body .dates .ymdw .week {
  font-size: 2rem;
  font-weight: 400;
  color: var(--colorTxt);
}
.lower-briefing .briefings_item_body .body .dates .time {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: 2rem;
  line-height: 1;
  margin-top: 18px;
}
.lower-briefing .briefings_item_body .body .dates .time::before {
  content: '';
  aspect-ratio: 1 / 1;
  width: 0.9em;
  flex: 0 0 0.9em;
  background: url(../img/ico_clock02.png) center center / contain no-repeat;
}
.lower-briefing .briefings_item_body .body .dates .linkBtn01 {
  width: 100%;
  margin-top: 16px;
}
.lower-briefing .briefings_item_body .body .dates .linkBtn01 a {
  font-size: 1.4rem;
  padding: 0.7em;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .dates .linkBtn01 a {
    font-size: 1.3rem;
  }
}
.lower-briefing .briefings_item_body .body .dates .linkBtn01 a::before {
  display: none;
}
.lower-briefing .briefings_item_body .body .dates .linkBtn01 a.close {
  background: #cccccc;
  border-color: #cccccc;
  pointer-events: none;
}
.lower-briefing .briefings_item_body .body .info {
  flex: 1 1 auto;
}
@media (max-width: 1024px) {
  .lower-briefing .briefings_item_body .body .info {
    flex: 0 0 calc(100% - 200px - 5.5%);
  }
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .info {
    flex: 0 0 100%;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #dddddd;
  }
}
.lower-briefing .briefings_item_body .body .info .infoList {
  display: flex;
  flex-flow: column;
  gap: 1.5em;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .info .infoList {
    gap: 1em;
  }
}
.lower-briefing .briefings_item_body .body .info .infoList_item {
  display: flex;
  align-items: flex-start;
  gap: 1em;
}
.lower-briefing .briefings_item_body .body .info .infoList_item .hd {
  flex: 0 0 64px;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  padding: 0.25em 0;
  background: var(--colorTxt);
  border-radius: 500px;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .info .infoList_item .hd {
    flex: 0 0 56px;
    font-size: 1.1rem;
  }
}
.lower-briefing .briefings_item_body .body .info .infoList_item .txt {
  flex: 1 1 auto;
  font-size: 1.5rem;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .info .infoList_item .txt {
    font-size: 1.3rem;
  }
}
.lower-briefing .briefings_item_body .body .info .infoList_item .txt b {
  font-weight: bold;
}
.lower-briefing .briefings_item_body .body .info .infoList_item .txt span {
  display: block;
  font-size: 1.2rem;
  line-height: 1.6;
  margin-top: 0.2em;
}
.lower-briefing .briefings_item_body .body .info .infoList_item .txt span a {
  font-weight: 700;
  color: #e8390e;
}
.lower-briefing .briefings_item_body .body .info .infoList_item .txt span a::before {
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  content: '\f3c5';
  margin: 0 0.25em;
}
@media (any-hover: hover) {
  .lower-briefing .briefings_item_body .body .info .infoList_item .txt span a:hover {
    opacity: 0.7;
  }
}
.lower-briefing .briefings_item_body .body .schedule {
  flex: 0 0 30%;
}
@media (max-width: 1024px) {
  .lower-briefing .briefings_item_body .body .schedule {
    flex: 0 0 100%;
  }
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .schedule {
    margin-top: 20px;
  }
}
.lower-briefing .briefings_item_body .body .schedule .hd {
  font-weight: 700;
  color: var(--colorTxt);
  margin-bottom: 1.5em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .schedule .hd {
    font-size: 1.5rem;
  }
}
.lower-briefing .briefings_item_body .body .schedule .scheduleList {
  display: flex;
  flex-flow: column;
  gap: 1em;
}
.lower-briefing .briefings_item_body .body .schedule .scheduleList_item {
  display: flex;
  align-items: flex-start;
  gap: 1em;
}
.lower-briefing .briefings_item_body .body .schedule .scheduleList_item .time {
  flex: 0 0 60px;
  text-align: center;
  font-size: 1.3rem;
  color: #808080;
  border: 1px solid;
  border-radius: 500px;
}
@media (max-width: 768px) {
  .lower-briefing .briefings_item_body .body .schedule .scheduleList_item .time {
    flex: 0 0 56px;
    font-size: 1.1rem;
    padding: 0.1em 0;
  }
}
.lower-briefing #cat01 + .briefings .briefings_item::before {
  background: var(--color01);
}
.lower-briefing #cat02 + .briefings .briefings_item::before {
  background: var(--color02);
}
.lower-briefing #cat03 + .briefings .briefings_item::before {
  background: var(--color03);
}
.lower-briefing #cat04 + .briefings .briefings_item::before {
  background: var(--color04);
}
.lower-briefing #cat05 + .briefings .briefings_item::before {
  background: var(--color05);
}