* {
  margin: 0;
  padding: 0;
  box-box-sizing: border-box; }

body {
  font-family: source-han-sans-cjk-ja, sans-serif;
  color: #333;
  line-height: 1.6; }

.pc {
  display: block; }
  @media (max-width: 768px) {
    .pc {
      display: none; } }

.sp {
  display: none; }
  @media (max-width: 768px) {
    .sp {
      display: block; } }

.site-header {
  height: 80px;
  background: #fff;
  display: flex;
  align-items: center;
  padding: 0 5%;
  position: sticky;
  top: 0;
  z-index: 100; }
  @media (max-width: 768px) {
    .site-header {
      height: 60px; } }
  .site-header .header-inner {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%; }
  .site-header .logo {
    display: block;
    height: 55px; }
    @media (max-width: 768px) {
      .site-header .logo {
        height: 40px; } }
  .site-header .logo img {
    height: 55px;
    width: auto; }
    @media (max-width: 768px) {
      .site-header .logo img {
        height: 40px; } }
  .site-header .header-inner {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%; }
  .site-header .lang-switch {
    font-family: source-han-sans-cjk-ja, sans-serif;
    font-weight: 300;
    font-size: 1rem;
    letter-spacing: 0.05em;
    background: #000;
    border-radius: 50px;
    padding: 5px 20px; }
    .site-header .lang-switch a {
      text-decoration: none;
      color: #999;
      transition: color 0.3s; }
      .site-header .lang-switch a:hover {
        color: #333; }
      .site-header .lang-switch a.is-active {
        color: #fff;
        font-weight: 700; }
    .site-header .lang-switch .separator {
      margin: 0px;
      color: #ccc;
      font-weight: 100; }
    @media (max-width: 768px) {
      .site-header .lang-switch {
        font-size: 0.8rem; } }

.bg-wrapper {
  background: url("../img/bg.png") no-repeat center center/cover;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column; }
  @media (max-width: 768px) {
    .bg-wrapper {
      min-height: 100vh; } }

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 20px;
  flex: 1; }
  @media (max-width: 768px) {
    .container {
      padding: 40px 30px; } }

.lead-section {
  text-align: center;
  margin-bottom: 80px;
  color: #eaeef1; }
  @media (max-width: 768px) {
    .lead-section {
      margin-bottom: 40px;
      text-align: center; } }
  .lead-section .lead-large {
    font-size: clamp(2em, 5vw, 3.5rem);
    font-weight: bold;
    margin-bottom: 50px;
    line-height: 1.3em;
    text-align: left;
    display: block; }
    @media (max-width: 768px) {
      .lead-section .lead-large {
        margin-bottom: 30px;
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
        font-size: clamp(1.2em, 3vw, 3.5rem);
        letter-spacing: 0.02em; } }
  .lead-section .lead-medium {
    font-weight: bold;
    font-size: 1.6rem;
    font-weight: 300;
    text-align: left; }
    @media (max-width: 768px) {
      .lead-section .lead-medium {
        font-size: 0.8rem;
        text-align: center; } }

.news-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px; }
  @media (max-width: 1200px) {
    .news-grid {
      grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 768px) {
    .news-grid {
      grid-template-columns: 1fr; } }

.news-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.9);
  transition: transform 0.3s, background-color 0.3s;
  height: 100%;
  position: relative; }
  .news-card:hover {
    transform: translateY(-5px);
    background-color: white; }
    .news-card:hover .btn-detail {
      opacity: 0.6; }
  .news-card .news-img {
    width: 100%;
    aspect-ratio: 254 / 169;
    overflow: hidden; }
    .news-card .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block; }
  .news-card .news-cont-ttl {
    padding: 10px 20px;
    display: flex;
    flex-direction: column;
    min-height: 85px; }
    @media (max-width: 768px) {
      .news-card .news-cont-ttl {
        padding: 20px 10px;
        min-height: auto; } }
    .news-card .news-cont-ttl .date {
      font-size: 0.8rem; }
    .news-card .news-cont-ttl .title {
      font-size: 1.3rem;
      line-height: 1.7rem;
      font-weight: normal;
      margin-bottom: 5px; }
      @media (max-width: 768px) {
        .news-card .news-cont-ttl .title {
          font-size: 1.2rem; } }
  .news-card .news-cont-text {
    padding: 20px 20px 40px;
    margin-bottom: 10px; }
    @media (max-width: 768px) {
      .news-card .news-cont-text {
        padding: 20px 10px 50px; } }
    .news-card .news-cont-text .detail-btn {
      font-size: 0.8rem;
      text-align: right;
      position: absolute;
      right: 10px;
      bottom: 010px; }

.site-footer {
  padding: 30px 0; }
  .site-footer .copyright {
    color: #eaeef1;
    text-align: center;
    font-size: 1rem;
    font-weight: 100;
    letter-spacing: 0.2em; }
    @media (max-width: 768px) {
      .site-footer .copyright {
        font-size: 0.7rem; } }