@charset "UTF-8";
@media screen and (min-width: 1200px) {
  .header {
    height: 100vh;
  }
}
.header.container {
  padding-block: unset;
}
.header .navbar {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-content: space-between;
  padding-inline: 1rem;
  transition: all 0.3s ease;
  width: 100%;
  height: 6rem;
}
@media screen and (min-width: 768px) {
  .header .navbar {
    height: 12rem;
    padding: 2rem 4rem;
  }
}
.header .navbar .nav-brand {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
@media screen and (min-width: 768px) {
  .header .navbar .nav-brand {
    gap: 4rem;
  }
}
.header .navbar .nav-brand .nav-logo {
  height: 4rem;
  background: #ffffff;
  padding: 0.6rem 1.2rem;
  border-radius: 1.2rem;
  filter: none;
  transition: all 0.3s ease;
  width: 12rem;
}
@media screen and (min-width: 768px) {
  .header .navbar .nav-brand .nav-logo {
    height: 8rem;
    padding: 1.2rem 1.8rem;
    width: auto;
  }
}
.header .navbar .nav-brand .nav-logo.rsk {
  background: unset;
  padding: 0.5rem 0;
  width: 6rem;
}
@media screen and (min-width: 768px) {
  .header .navbar .nav-brand .nav-logo.rsk {
    padding: 1rem 0;
    width: auto;
  }
}
.header .hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}
@media screen and (min-width: 768px) {
  .header .hero {
    padding: 3rem 2rem;
  }
}
.header .hero .hero-content {
  animation: fadeInUp 1s ease-out;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-direction: column;
}
@media screen and (min-width: 768px) {
  .header .hero .hero-content {
    gap: 3.6rem;
  }
}
@media screen and (min-width: 1200px) {
  .header .hero .hero-content {
    flex-direction: row;
    gap: 4.5rem;
  }
}
.header .hero .hero-title-container {
  flex: 1;
  width: 100%;
  max-width: 600px;
}
@media screen and (min-width: 1200px) {
  .header .hero .hero-title-container {
    max-width: unset;
  }
}
.header .hero h1 {
  transform: translateX(1rem);
}
.header .hero .hero-text-container {
  flex: 1;
  text-align: left;
  max-width: 600px;
}
@media screen and (min-width: 768px) {
  .header .hero .hero-text-container {
    text-align: center;
    max-width: 700px;
  }
}
@media screen and (min-width: 1200px) {
  .header .hero .hero-text-container {
    text-align: left;
    max-width: unset;
  }
}
.header .hero .hero-text {
  font-size: clamp(2.2rem, 6vw, 3rem);
  font-weight: 900;
  line-height: 1.5;
  color: #ffffff;
  text-shadow: 0.3rem 0.2rem 0.3rem rgba(0, 0, 0, 0.3);
  letter-spacing: 0.1em;
  font-feature-settings: "halt";
  text-align: center;
  font-family: "M PLUS 1", sans-serif;
}
@media screen and (min-width: 768px) {
  .header .hero .hero-text {
    font-size: 3.5rem;
    line-height: 1.4;
    text-shadow: 0.3rem 0.3rem 0.5rem rgba(0, 0, 0, 0.3);
  }
}
@media screen and (min-width: 1200px) {
  .header .hero .hero-text {
    text-align: left;
    font-size: min(4rem, 2.4vw);
  }
}
.header .hero .hero-text .strong {
  font-size: 1.4em;
  font-weight: 700;
  line-height: 1;
  color: #008bca;
  text-shadow: 0.3rem 0.2rem 0.3rem rgba(255, 255, 255, 0.8);
  position: relative;
  padding-right: 0.3rem;
}
@media screen and (min-width: 768px) {
  .header .hero .hero-text .strong {
    font-size: 1.8em;
  }
}
.header .hero .hero-text .strong::before {
  content: "海";
  position: absolute;
  color: #fff;
  z-index: -1;
  -webkit-text-stroke: #fff 0.13em;
  filter: blur(0.3rem);
}
.header .hero .hero-text .highlight {
  display: block;
  font-size: 1.2em;
  padding-left: 0.3rem;
}
.header .hero .hero-subtitle {
  color: #ffffff;
  font-weight: 500;
  line-height: 1.8;
  text-shadow: 0.2rem 0.2rem 0.3rem rgba(0, 0, 0, 0.5);
  margin-block: 2.5rem;
  font-size: 1.6rem;
  text-align: left;
}
@media screen and (min-width: 768px) {
  .header .hero .hero-subtitle {
    line-height: 2.2;
    font-size: 2rem;
    padding-left: 0.5rem;
    text-align: center;
    text-shadow: 0.3rem 0.3rem 0.5rem rgba(0, 0, 0, 0.4);
  }
}
@media screen and (min-width: 1200px) {
  .header .hero .hero-subtitle {
    text-align: left;
    font-size: min(2rem, 1.5vw);
  }
}
.header .hero .hero-subtitle .br {
  display: inline;
}
@media screen and (min-width: 768px) {
  .header .hero .hero-subtitle .br {
    display: block;
  }
  .header .hero .hero-subtitle .br.br2 {
    display: inline-block;
  }
}
@media screen and (min-width: 1200px) {
  .header .hero .hero-subtitle .br {
    display: inline-block;
  }
}
.header .hero .hero-deadline {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 900;
  font-feature-settings: "palt";
  letter-spacing: 0.1em;
  color: #f8b500;
  text-shadow: 0.2rem 0.2rem 0.3rem rgba(0, 0, 0, 0.4);
}

.footer {
  padding-block: 0.9em 1em;
  line-height: 1.4em;
  color: #ffffff;
  width: 100%;
  background: rgba(0, 139, 202, 0.3);
  font-weight: 500;
  backdrop-filter: blur(0.5rem);
  -webkit-backdrop-filter: blur(0.5rem);
}
@media screen and (min-width: 768px) {
  .footer {
    width: 100%;
  }
}
.footer.container {
  padding-block: 1em;
}
.footer a {
  font-size: 96%;
  color: #ffffff;
  text-decoration: none;
  transition: all 0.3s ease;
}
.footer a:hover {
  opacity: 0.7;
}

.snsbtn {
  margin-block: 2.5rem 2rem;
  display: flex;
  justify-content: center;
}
@media screen and (min-width: 768px) {
  .snsbtn {
    margin-top: 3.6rem;
  }
}
.snsbtn a {
  display: block;
  position: relative;
  width: 50px;
  height: 50px;
  line-height: 48px;
  color: #ffffff;
  margin-right: 10px;
  border-radius: 50%;
  text-decoration: none;
}
.snsbtn a:last-child {
  margin-right: 0;
}
.snsbtn a img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}

.btn-fb {
  background: #1877f2;
  transition-duration: 0.3s;
}
.btn-fb:hover {
  filter: opacity(70%);
}
.btn-fb img {
  width: 22px;
}

.btn-tw {
  background: #181818;
  transition-duration: 0.3s;
}
.btn-tw:hover {
  filter: opacity(70%);
}
.btn-tw img {
  width: 26px;
}

.btn-li {
  background: #1eb900;
  transition-duration: 0.3s;
}
.btn-li:hover {
  filter: opacity(70%);
}
.btn-li img {
  width: 26px;
}

.sp-footer {
  margin-bottom: 0;
  width: 100%;
  text-align: center;
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 0.5rem;
}
@media screen and (min-width: 768px) {
  .sp-footer {
    display: none;
  }
}
.sp-footer img {
  max-width: 50px;
}
.sp-footer li {
  display: inline-block;
  display: inline;
  zoom: 1;
  list-style: none;
  width: 30%;
  font-size: 70%;
  text-align: center;
  line-height: 1.6em;
  letter-spacing: 0.1em;
}
.sp-footer a {
  display: block;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: #ffffff;
  text-decoration: none;
}
.sp-footer a:active {
  background: #f8b500;
  color: #000000;
  border-radius: 8px;
  text-decoration: none;
}
.sp-footer__pagetop img {
  max-width: 45px;
  padding-bottom: 0.3rem;
}

.pnkz {
  display: none;
}
@media screen and (min-width: 768px) {
  .pnkz {
    display: block;
    padding-inline: 1rem;
    text-align: center;
  }
}
.pnkz a {
  display: inline;
  color: #ffffff;
  text-decoration: none;
}
.pnkz a:hover {
  opacity: 0.7;
}

.copyright {
  text-align: center;
  font-size: 1.5rem;
  padding-top: 1rem;
  display: block;
  padding-inline: 1rem;
  color: #ffffff;
}
@media screen and (min-width: 768px) {
  .copyright {
    max-width: 1000px;
    margin: 0 auto;
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 62.5%;
}

body {
  font-family: "Noto Sans JP", "Meiryo", "メイリオ", "平成明朝", "Lucida Grande", Verdana, "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", "ＭＳ Ｐゴシック", sans-serif;
  line-height: 1.6;
  color: #ffffff;
  font-weight: 400;
  letter-spacing: 0.05em;
  font-size: 1.8rem;
  min-width: 320px;
}
@media screen and (min-width: 768px) {
  body {
    font-size: 2rem;
  }
}

a {
  color: inherit;
  text-decoration: none;
  display: block;
  transition: 0.3s;
}
@media (hover: hover) {
  a:hover {
    opacity: 0.7;
  }
}

img {
  width: 100%;
  height: auto;
  display: block;
}

li {
  list-style: none;
}

.container {
  padding-block: 8rem 5rem;
}
@media screen and (min-width: 768px) {
  .container {
    padding-block: 10rem;
  }
}

.inner {
  padding-inline: 1rem;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
}

.pc {
  display: none;
}

@media screen and (min-width: 768px) {
  .pc {
    display: block;
  }
  .sp {
    display: none;
  }
}
.br {
  display: inline-block;
}

.shadow {
  text-shadow: 0.1rem 0.2rem 0.3rem rgba(0, 0, 0, 0.3);
}

.section-title {
  text-align: center;
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 2rem;
  color: #ffffff;
  text-shadow: 0.3rem 0.3rem 0.5rem rgba(0, 0, 0, 0.3);
  position: relative;
  font-family: "M PLUS 1", sans-serif;
  letter-spacing: 0.1em;
}
@media screen and (min-width: 768px) {
  .section-title {
    font-size: 6rem;
    text-shadow: 0.4rem 0.4rem 0.5rem rgba(0, 0, 0, 0.3);
  }
}
.section-title::before {
  content: "";
  background: url("../img/icon_title.svg") no-repeat center/100%;
  width: 15rem;
  height: 10rem;
  position: absolute;
  top: -8rem;
  left: 45%;
  z-index: -1;
  filter: drop-shadow(0.4rem 0.4rem 0.3rem rgba(0, 0, 0, 0.2));
}
@media screen and (min-width: 768px) {
  .section-title::before {
    width: 25rem;
    height: 17rem;
    top: -12.8rem;
    left: 46%;
    filter: drop-shadow(0.5rem 0.5rem 0.3rem rgba(0, 0, 0, 0.2));
  }
}

h3 {
  font-size: 2.1rem;
  font-weight: 900;
  margin-bottom: 1.8rem;
  color: #008bca;
  font-feature-settings: "halt";
  line-height: 1.5;
}
@media screen and (min-width: 768px) {
  h3 {
    font-size: 3.3rem;
    margin-bottom: 2rem;
  }
}

.btn {
  border-radius: 12px;
  font-weight: 800;
  overflow: hidden;
  padding: 1.4rem 2.4rem;
  width: 100%;
  max-width: 280px;
  text-align: center;
  margin-inline: auto;
  font-family: "M PLUS 1", sans-serif;
  font-size: 2rem;
  position: relative;
}
@media screen and (min-width: 768px) {
  .btn {
    padding: 1.6rem 3.2rem;
  }
}
.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}
.btn:hover::before {
  left: 100%;
}
.btn::after {
  content: "";
  border-top: 0.4rem solid #007398;
  border-right: 0.4rem solid #007398;
  width: 1.6rem;
  height: 1.6rem;
  position: absolute;
  top: 50%;
  right: 4rem;
  transform: rotate(45deg) translate(-0.4rem, -50%);
  transition: all 0.3s;
}
.btn:hover::after {
  right: 3.5rem;
  border-color: #fff;
}
.btn-primary {
  background: #f8b500;
  color: #007398;
}
.btn-primary:hover {
  background: #eb6153;
  opacity: 1;
  color: #fff;
}
.btn-under {
  padding-inline: 2rem;
}
@media screen and (min-width: 768px) {
  .btn-under {
    max-width: 560px;
  }
}

::-webkit-scrollbar {
  width: 1.1rem;
}

::-webkit-scrollbar-thumb {
  background: #f8b500;
  border-radius: 1rem;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

::-webkit-scrollbar-thumb:hover {
  background: #eb6153;
}

.btn:focus,
.nav-link:focus,
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #f8b500;
  outline-offset: 2px;
}

.loading {
  text-align: center;
  padding: 0.4rem 1rem;
  background: rgba(0, 0, 0, 0.5);
}

#video-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: -2;
  overflow: hidden;
}
#video-background video {
  position: absolute;
  top: 50%;
  left: 106%;
  width: 100vw;
  height: 56.25vw;
  min-height: 100vh;
  min-width: 200vh;
  transform: translate(-50%, -50%);
  -o-object-fit: cover;
     object-fit: cover;
}
@media (orientation: landscape) {
  #video-background video {
    left: 50%;
  }
}
@media screen and (min-width: 768px) {
  #video-background video {
    left: 50%;
    min-width: 177.77vh;
    transform: translate(-50%, -50%);
  }
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(135deg, rgba(248, 181, 0, 0.1) 0%, rgba(0, 139, 202, 0.5) 30%);
  z-index: -1;
}
@media screen and (min-width: 768px) {
  .overlay {
    background: linear-gradient(135deg, rgba(248, 181, 0, 0.3) 0%, rgba(0, 139, 202, 0.4) 50%);
  }
}

.event.container {
  padding-block: 10rem 5rem;
}
@media screen and (min-width: 768px) {
  .event.container {
    padding-block: 16rem 10rem;
  }
}
.event .events-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
  margin-top: 4rem;
}
@media screen and (min-width: 768px) {
  .event .events-list {
    margin-top: 6rem;
    gap: 6rem;
    row-gap: 4rem;
  }
}
.event .event-item {
  display: flex;
  gap: 2rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  padding: 2rem 1.5rem;
  border-radius: 20px;
  overflow: hidden;
  backdrop-filter: blur(0.2rem);
  -webkit-backdrop-filter: blur(0.2rem);
  flex-direction: column;
}
@media screen and (min-width: 768px) {
  .event .event-item {
    padding: 4rem;
    gap: 4rem;
    flex-direction: row;
  }
}
.event .event-image {
  position: relative;
  overflow: hidden;
  border-radius: 1.6rem;
  flex: none;
}
.event .event-image img {
  width: 20rem;
}
@media screen and (min-width: 768px) {
  .event .event-image img {
    width: 28rem;
  }
}
.event .event-content h3 {
  color: #008bca;
}
.event .event-content p {
  font-size: 1.6rem;
  line-height: 1.8;
  margin-bottom: 3rem;
  color: #008bca;
  font-weight: 500;
}
@media screen and (min-width: 768px) {
  .event .event-content p {
    font-size: inherit;
  }
}

.features .features-grid {
  display: grid;
  gap: 4rem;
  margin-top: 4rem;
  -moz-column-gap: min(6rem, 1.5vw);
       column-gap: min(6rem, 1.5vw);
}
@media screen and (min-width: 768px) {
  .features .features-grid {
    margin-top: 6rem;
    row-gap: 6rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}
.features .feature-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(0.2rem);
  -webkit-backdrop-filter: blur(0.2rem);
  padding: 2rem 1.5rem;
  border-radius: 20px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
@media screen and (min-width: 768px) {
  .features .feature-card {
    padding: 3.5rem 3rem;
  }
}
.features .feature-card:nth-child(1) {
  animation-delay: 0.1s;
}
.features .feature-card:nth-child(2) {
  animation-delay: 0.2s;
}
.features .feature-card:nth-child(3) {
  animation-delay: 0.3s;
}
.features .feature-card:nth-child(4) {
  animation-delay: 0.4s;
}
.features .feature-card .feature-image {
  margin-bottom: 20px;
  display: block;
  transition: all 0.3s ease;
  border-radius: 12px;
  overflow: hidden;
}
.features .feature-card .feature-image img {
  width: 100%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
  transition: all 0.3s ease;
}
.features .feature-card h3 {
  margin-bottom: 1rem;
}
.features .feature-card p {
  color: #008bca;
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 1.6rem;
}
@media screen and (min-width: 768px) {
  .features .feature-card p {
    font-size: inherit;
  }
}

.blog {
  padding-bottom: unset;
}
.blog .inner {
  max-width: 1400px;
}
@media screen and (min-width: 768px) {
  .blog .inner {
    padding-inline: 3rem;
  }
}
.blog .section-title {
  margin-bottom: 1rem;
}
@media screen and (min-width: 768px) {
  .blog .section-title {
    margin-bottom: 2rem;
  }
}
.blog-header {
  text-align: center;
  margin-bottom: 40px;
}
.blog-header p {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
  text-shadow: 0.2rem 0.2rem 0.3rem rgba(0, 0, 0, 0.4);
  text-align: center;
}
@media screen and (min-width: 768px) {
  .blog-header p {
    text-align: center;
    font-size: 3.3rem;
    margin-bottom: 1.5rem;
    text-shadow: 0.3rem 0.3rem 0.3rem rgba(0, 0, 0, 0.4);
  }
}
.blog .blog-subtitle {
  font-size: 3rem;
  color: #f8b500;
  font-weight: 800;
  text-shadow: 0.2rem 0.2rem 0.3rem rgba(0, 0, 0, 0.4);
  text-align: center;
}
@media screen and (min-width: 768px) {
  .blog .blog-subtitle {
    font-size: 5rem;
    margin-bottom: 6rem;
    text-shadow: 0.3rem 0.3rem 0.3rem rgba(0, 0, 0, 0.4);
  }
}
.blog .features-grid {
  margin-top: unset;
}
@media screen and (min-width: 768px) {
  .blog .features-grid {
    gap: 3rem;
    row-gap: 6rem;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  }
}
.blog .blog-card {
  position: relative;
  background: rgba(255, 255, 255, 0.7);
  border: 0.3rem solid #f8b500;
}
.blog .blog-card h3 {
  color: #008bca;
}
@media screen and (min-width: 768px) {
  .blog .blog-card h3 {
    font-size: 3rem;
  }
}
.blog .blog-card p {
  color: #008bca;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-rank {
  position: absolute;
  top: -3.6rem;
  left: -0.5rem;
  background: #f8b500;
  color: #007398;
  font-weight: 800;
  font-size: 2.5rem;
  border-radius: 50%;
  width: 8rem;
  height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
@media screen and (min-width: 768px) {
  .blog-rank {
    top: -4rem;
    left: -2rem;
    width: 10rem;
    height: 10rem;
    font-size: 3rem;
  }
}
.blog .feature-image img {
  aspect-ratio: 16/10;
}

.check.container {
  padding-top: 5rem;
}
@media screen and (min-width: 768px) {
  .check.container {
    padding-top: 10rem;
  }
}
.check .btn::after {
  right: 2rem;
}
.check .btn:hover::after {
  right: 1.5rem;
}
@media screen and (min-width: 768px) {
  .check .btn::after {
    right: 4rem;
  }
  .check .btn:hover::after {
    right: 3.5rem;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}
.pagetop {
  height: auto;
  position: fixed;
  bottom: 2rem;
  z-index: 9999;
  transition: all 0.5s;
  right: 2rem;
  background: #f8b500;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  box-shadow: 0 0.3rem 0.5rem rgba(0, 0, 0, 0.2);
}
@media screen and (min-width: 768px) {
  .pagetop {
    right: 3rem;
    bottom: 3rem;
  }
}
@media (hover: hover) {
  .pagetop:hover {
    background: #eb6153;
    opacity: 1;
  }
}
.pagetop::before, .pagetop::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-80%, -50%) rotate(-45deg);
  background: #007398;
  width: 17px;
  height: 5px;
  transition: all 0.3s;
}
.pagetop::after {
  transform: translate(-20%, -50%) rotate(45deg);
}
@media (hover: hover) {
  .pagetop:hover::before, .pagetop:hover::after {
    background: #ffffff;
    opacity: 1;
  }
}/*# sourceMappingURL=style.css.map */