.spacetide2025 {
  padding-bottom: 4rem; }

.page_main {
  padding: 4rem 0; }
  .page_main time {
    display: block;
    font-size: 12px;
    padding-bottom: 1rem; }
  .page_main h1 {
    font-size: min(5vw, 32px);
    font-weight: 700;
    padding-bottom: 1rem; }
  .page_main figure {
    padding-top: 1rem; }

.tagarea ul {
  padding-bottom: 1rem;
  display: flex;
  flex-wrap: wrap; }
.tagarea li {
  padding: 0 1rem 1rem 0; }

/*------------------*/
.spacetide2025_content {
  padding-top: 4rem;
  padding-bottom: 4rem;
  line-height: 2;
  font-size: 17px; }
  .spacetide2025_content .container {
    width: 1080px; }
  .spacetide2025_content .container_L {
    width: 1180px; }
  .spacetide2025_content .rl {
    writing-mode: vertical-rl; }
  .spacetide2025_content h3 {
    font-weight: 700; }

/*------------------*/
.lead {
  background: #000; }
  .lead p {
    padding-bottom: 1rem; }

/*------------------*/
.profile {
  padding-top: 2rem;
  padding-bottom: 2rem; }
  .profile p {
    padding-bottom: 1rem; }
  .profile .container {
    background: #fff;
    padding: 1.5rem 1rem;
    color: #222;
    border-radius: 8px; }
  .profile .profile-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer; }
    .profile .profile-head h3 {
      writing-mode: vertical-rl;
      align-self: flex-start; }
    .profile .profile-head .profile-face {
      padding: 0 8px; }
      .profile .profile-head .profile-face img {
        width: 100px;
        border-radius: 50%; }
    .profile .profile-head .profile-txt {
      flex: 1; }
      .profile .profile-head .profile-txt span {
        font-size: 0.8em; }
  .profile .profile-body {
    padding: 1rem 0 0;
    display: none; }
  .profile .toggle-sw {
    flex: 0 0 40px;
    position: relative; }
    .profile .toggle-sw i {
      position: absolute;
      left: 8px;
      top: 50%; }
      .profile .toggle-sw i::before, .profile .toggle-sw i::after {
        content: "";
        position: absolute;
        width: 1rem;
        height: 2px;
        background: #aaa;
        transition-duration: 0.3s; }
      .profile .toggle-sw i::after {
        transform: rotate(90deg); }
    .profile .toggle-sw.open i::after {
      transform: rotate(0deg); }
    .profile .toggle-sw:hover {
      background: #111; }

/*------------------*/
.about {
  padding-top: 0;
  padding-bottom: 2rem; }
  .about .container {
    background: #ccc;
    padding: 1.5rem 1rem;
    color: #222;
    border-radius: 8px;
    display: flex; }
  .about .about-txt {
    flex: 1;
    padding-left: 1rem; }
    .about .about-txt h2 {
      font-weight: 700;
      font-size: 1.3em;
      border-bottom: 4px solid #111;
      margin-bottom: 1rem; }
    .about .about-txt img {
      float: right;
      width: 33%;
      margin-left: 1rem;
      border-radius: 6px; }

/*------------------*/
.related {
  padding-top: 0;
  padding-bottom: 2rem; }
  .related .container {
    background: #ccc;
    padding: 1.5rem 1rem;
    color: #222;
    border-radius: 8px;
    display: flex; }
  .related .about-area {
    flex: 1;
    padding-left: 1rem; }

/*------------------*/
.spacetide2025_content.related {
  padding-top: 4rem;
  padding-bottom: 4rem; }
.related {
  padding-top: 0;
  padding-bottom: 2rem; }
  .related .container {
    background: #ccc;
    padding: 1.5rem 1rem;
    color: #222;
    border-radius: 8px;
    display: flex; }
  .related .related-area {
    flex: 1;
    padding-left: 1rem; }
  .related .RD_newsreleas_list {
    margin-bottom: 0;
  }
  .related .RD_newsreleas_list li {
    flex: 0 0 100%;
  }
  .related .RD_newsreleas_list li:last-child {
    margin-bottom: 0;
  }
  .related .RD_newsreleas_list li p {
    color: #000;
  }

/*------------------*/
.index {
  padding-top: 0; }
  .index .container {
    border: 1px solid #fff;
    padding: 1.5rem 1rem;
    border-radius: 8px;
    display: flex; }
  .index li {
    padding: 8px; }
    .index li i {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      aspect-ratio: 1 / 1;
      margin-right: 8px;
      width: 40px;
      border-radius: 50%;
      background: #fff;
      color: #222;
      font-family: "Arial Black", Gadget, "sans-serif";
      font-weight: 600; }

/*----------------*/
.content-p {
  border-bottom: 1px solid #666; }
  .content-p:last-of-type {
    border-bottom: 0; }
  .content-p .container {
    width: 1000px; }
  .content-p .title {
    display: flex;
    align-items: center;
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    position: relative; }
    .content-p .title::after {
      content: "";
      position: absolute;
      width: 100%;
      height: 8px;
      right: 0;
      bottom: 0;
      background: #fff;
      background-size: auto auto;
      background-color: transparent;
      background-image: repeating-linear-gradient(45deg, transparent, transparent 8px, #fff 8px, #fff 9px); }
    .content-p .title i {
      flex: 0 0 80px;
      width: 80px;
      line-height: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      aspect-ratio: 1 / 1;
      border-radius: 50%;
      background: #fff;
      color: #222;
      font-family: "Arial Black", Gadget, "sans-serif";
      font-weight: 600;
      font-size: 40px; }
    .content-p .title h2 {
      padding-left: 1.5rem;
      font-size: min(5.6vw, 32px);
      line-height: 1.5; }
      .content-p .title h2 b {
        display: block; }
      .content-p .title h2 span {
        display: block;
        font-size: 0.8em; }
  .content-p .subtitle {
    margin-top: 2rem;
    margin-bottom: 2rem; }
    .content-p .subtitle i {
      display: inline-block;
      border: 1px solid #fff;
      padding: 4px 12px;
      font-size: 1.2em;
      margin-bottom: 8px;
      line-height: 1.4; }
    .content-p .subtitle h3 {
      border-left: 8px solid #f0f0f0;
      padding-left: 1rem;
      font-size: min(4.8vw, 24px); }
  .content-p p {
    padding-bottom: 1.5rem; }
  .content-p p.serifxxx {
    font-style: italic;
    font-family: 'Noto Serif JP', "serif";
    font-size: 1.3em; }
  .content-p p.slide {
    text-align: center; }
    .content-p p.slide img {
      margin: auto;
      max-width: 88%; }
  .content-p strong {
    /* background: linear-gradient(transparent 0%, rgb(30 53 255));  */
}
@media (max-width: 540px) {
  .page_main {
    padding: 2rem 0; }

  .profile .profile-head {
    flex-wrap: wrap; }
    .profile .profile-head h3 {
      writing-mode: horizontal-tb;
      flex: 0 0 100%; }
    .profile .profile-head .profile-face {
      padding-left: 0; }

  .about .container {
    flex-wrap: wrap; }
    .about .container h3 {
      flex: 0 0 100%;
      writing-mode: horizontal-tb; }

  .about .about-txt {
    padding-left: 0; }

  .index .container {
    flex-wrap: wrap; }
    .index .container h3 {
      flex: 0 0 100%;
      writing-mode: horizontal-tb; }

  .content-p .title i {
    flex: 0 0 54px;
    width: 54px; }

  .content-p .title h2 {
    padding-left: 8px; }

  .spacetide2025_content {
    padding: 2rem 0; } }