html {
  scroll-behavior: smooth;
}

html,
body {
  overflow-x: hidden;
  width: 100%;
}

:root {
  --text-primary: #222222;
  --gradient-main--90deg: linear-gradient(90deg, #0054FF, #F779C5);
  --gradient-main--180deg: linear-gradient(180deg, #0054FF, #F779C5);
  --gradient-cta: linear-gradient(90deg, #0051FF, #568AF7);
  --main-color: #0054ff;
  --space-sm: clamp(8px, calc((100vw - 768px) * 0.00660 + 8px), 16px);
  --space-md: clamp(16px, calc((100vw - 768px) * 0.01320 + 16px), 32px);
  --space-lg: clamp(32px, calc((100vw - 768px) * 0.02640 + 32px), 64px);
  --space-xl: clamp(48px, calc((100vw - 768px) * 0.03960 + 48px), 96px);
  --space-2xl: clamp(80px, calc((100vw - 768px) * 0.06601 + 80px), 160px);
  --header-h: clamp(60px, calc((100vw - 768px) * 0.04167 + 60px), 88px);
  --container-max: clamp(1000px, calc((100vw - 1500px) * 0.43011 + 1000px), 1200px);
}

@media (min-width: 1980px) {
  :root {
    --container-max: clamp(1200px, calc((100vw - 768px) * 0.66007 + 1200px), 2000px);
  }
}

@media screen and (max-width: 768px) {
  :root {
    scroll-padding-top: 60px;
  }
}

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

article,
aside,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
}

body {
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  min-height: 100vh;
  font-family: "Helvetica Neue", Helvetica, Arial, "游ゴシック", "YuGothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", "Meiryo", sans-serif;
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 20px);
  color: var(--text-primary);
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

ol,
ul {
  list-style: none;
}

img {
  object-fit: cover;
}

p {
  font-weight: 500;
  letter-spacing: 1px;
}

.text-highlight {
  display: inline-block;
  background: var(--main-color);
  color: #fff;
  font-weight: 700;
  padding: 0.2em 0.7em;
  line-height: 1.6;
  margin: 0.25em 0;
}

.text-highlight--lg {
  font-size: clamp(20px, calc((100vw - 768px) * 0.0198 + 20px), 44px);
  display: inline-block;
  background: var(--main-color);
  color: #fff;
  font-weight: 700;
  padding: 0.2em 0.7em;
  line-height: 1.6;
}

.text-highlight--sm {
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 20px);
}

.about-lead {
  text-align: center;
}

.sp-only {
  display: none;
}

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

  .sp-only {
    display: block;
  }

  img {
    max-width: none;
  }
}

.header {
  background: #fff;
  padding: 0 clamp(16px, calc((100vw - 768px) * 0.03960 + 16px), 64px);
  display: flex;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: var(--container-max);
  height: var(--header-h);
  justify-content: space-between;
}

.logo img {
  width: auto;
  height: clamp(60px, calc((100vw - 768px) * 0.1 + 45px), 74px);
  object-fit: contain;
}

.header .header-right-content {
  display: flex;
  align-items: center;
}

.nav ul {
  display: flex;
  gap: clamp(12px, calc((100vw - 768px) * 0.02310 + 12px), 40px);
  margin: 0 clamp(16px, calc((100vw - 768px) * 0.03960 + 16px), 64px) 0 0;
  padding: 0;
  list-style: none;
}

.nav a {
  color: #222;
  text-decoration: none;
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 15px);
  letter-spacing: 1px;
  font-weight: 700;
  transition: all 0.3s;
  position: relative;
  white-space: nowrap;
}

.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: width 0.3s ease;
}

.nav a:hover::after {
  width: 100%;
}

.cta-button {
  padding: clamp(8px, calc((100vw - 768px) * 0.00495 + 8px), 14px) clamp(16px, calc((100vw - 768px) * 0.01980 + 15px), 40px);
  background: var(--gradient-cta);
  color: #fff;
  font-weight: bold;
  border-radius: 50px;
  box-shadow: 0px 4.8px 4.8px 0px #00000040;
  letter-spacing: 0.05em;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: clamp(6px, calc((100vw - 768px) * 0.00825 + 6px), 16px);
  width: clamp(200px, calc((100vw - 768px) * 0.13201 + 200px), 230px);
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 16px);
  justify-content: center;
  cursor: pointer;
  white-space: nowrap;
}
#program .cta-button {
  background: #F5990D;
  box-shadow: 0px 4.8px 4.8px 0px #A6650040;
}

.cta-button:hover {
  transform: scale(1.05);
}

.cta-button .arrow {
  position: relative;
  display: inline-block;
  width: clamp(16px, calc((100vw - 768px) * 0.01320 + 16px), 32px);
  height: 2px;
  background: #fff;
}

.cta-button .arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: clamp(6px, calc((100vw - 768px) * 0.00495 + 6px), 12px);
  height: clamp(6px, calc((100vw - 768px) * 0.00495 + 6px), 12px);
  border-top: 2px solid #fff;
  transform: translateY(-50%) rotate(45deg);
}

@media (max-width: 768px) {
  .header {
    padding: 0;
  }

  .header-inner {
    height: 60px;
    padding: 0 10px;
    gap: 8px;
  }

  .header-left-content,
  .header-right-content {
    min-width: 0;
  }

  .header .header-right-content .nav {
    display: none;
  }

  .header .logo img {
    height: 52px;
    width: auto;
  }

  .cta-button {
    width: 100%;
    max-width: 300px;
    font-size: 14px;
    padding: 10px;
    white-space: nowrap;
  }
  .header .cta-button{
    padding: 10px 15px;
  }
}

.p-fv {
  width: 100%;
  position: relative;
  max-width: 100vw;
  margin-top: var(--header-h);
  background-color: #E8F1FF;
}

.p-fv-inner img {
  width: min(100%, calc((100vh - var(--header-h)) * (1440 / 810)));
  height: auto;
  aspect-ratio: 1440 / 810;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .p-fv-inner img {
    width: 100%;
    aspect-ratio: 700 / 1142;
  }
}

@media (max-width: 768px) {
  .p-fv-inner {
    max-height: none;
    overflow: visible;
  }
}

.p-fv-cta-button,
.program-cta-button {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.p-fv-cta-button {
  background-color: #fff;
  padding: var(--space-sm) 0 var(--space-md);
}

.program-cta-button {
  margin: var(--space-lg) 0;
}

.program-cta-button:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .p-fv-cta-button {
    padding: var(--space-md) 0;
  }
}

.co-host-logos {
  background-color: #f7f7f9;
  padding: var(--space-md) 0;
  overflow: hidden;
}

.co-host-logos-row {
  overflow: hidden;
  width: 100%;
}

.co-host-logos-row+.co-host-logos-row {
  margin-top: clamp(16px, calc((100vw - 768px) * 0.02640 + 16px), 48px);
}

.co-host-logos-row:nth-child(2) {
  transform: scaleX(-1);
}

.co-host-logos-track {
  display: flex;
  width: max-content;
  animation: scroll-left 40s linear infinite;
  will-change: transform;
  backface-visibility: hidden;
}

.co-host-logos-row:nth-child(2) .co-host-logos-list img {
  transform: scaleX(-1);
}

.co-host-logos-list {
  display: flex;
  align-items: center;
  gap: clamp(16px, calc((100vw - 768px) * 0.02640 + 16px), 48px);
  padding: 0 var(--space-md);
  width: max-content;
  flex-shrink: 0;
}

.co-host-logos-list li {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.co-host-logos-list li img {
  height: 100%;
  width: 100%;
  object-fit: contain;
}

@keyframes scroll-left {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.section-title{
  text-align: center;
  font-size: clamp(45px, calc((100vw - 768px) * 0.03720 + 45px), 70px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--main-color);
}
#program .section-title,
#registration .section-title {
  color: #fff;
}

.section-subtitle {
  text-align: center;
  font-size: clamp(13px, calc((100vw - 768px) * 0.01042 + 13px), 20px);
  font-weight: 700;
  letter-spacing: 0.05em;
}

#about {
  background-color: #f3f3f3;
  background-image: url('../img/about/about-bg-pc.webp');
  background-position: left top;
  background-size: cover;
  padding: var(--space-xl) 0;
}

@media screen and (max-width: 768px) {
  #about {
    background-image: url('../img/about/about-bg-sp.webp');
    padding: 3rem 0;
    background-position: center;
  }
}

#about .about-wrapper {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

@media screen and (max-width: 768px) {
  #about .about-wrapper {
    width: 95%;
  }
}

#about .about-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

#about .about-texts {
  text-align: center;
}

#about .about-texts p+p {
  margin-top: 25px;
}

@media (min-width: 1500px) {
  #about .about-texts p+p {
    margin-top: clamp(20px, calc((100vw - 768px) * 0.02475 + 30px), 60px);
  }
}

#about .about-texts p {
  font-size: clamp(15px, calc((100vw - 768px) * 0.00744 + 15px), 20px);
  line-height: 2;
}

#about .about-target {
  display: flex;
  flex-direction: row;
  gap: var(--space-md);
  margin: var(--space-lg) auto;
  justify-content: center;
}

#about .about-target-item {
  flex: 1;
  background: #fff;
  border: 1.5px solid #DFEAF4;
  border-radius: clamp(12px, calc((100vw - 768px) * 0.00833 + 12px), 20px);
  padding: 10px;
  aspect-ratio: 1 / 1;
  text-align: center;
  box-shadow: 4px 4px 10px rgba(0, 84, 255, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  max-width: 300px;
  gap: 20px;
}

@media (max-width: 768px) {
  #about .about-target {
    flex-direction: column;
    align-items: center;
  }

  #about .about-target-item {
    width: 100%;
    max-width: 300px;
  }
}

#about .about-target-icon {
  height: clamp(100px, calc((100vw - 768px) * 0.04167 + 80px), 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

#about .about-target-icon img {
  height: 100%;
  width: auto;
  margin: 0 auto;
}

#about .about-target-caption {
  font-weight: 700;
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 20px);
  line-height: 1.6;
}

@media (max-width: 768px) {
  #about .about-target-caption {
    font-size: clamp(14px, calc((100vw - 430px) * 0.01929 + 7.5px), 14px) !important;
  }

  #about .about-target-item {
    aspect-ratio: unset;
    padding-top: 34px;
    padding-bottom: 32px;
  }
}

#program {
  background: var(--gradient-main--180deg);
  padding: var(--space-2xl) clamp(20px, calc((100vw - 768px) * 0.04950 + 20px), 80px);
  border-radius: 0 100px 0 100px;
  position: relative;
}
#program::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 300px;
  background-color: #F7F8FA;
  z-index: -1;
}
#program::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 300px;
  background-color: #ECECEC;
  z-index: -1;
}

@media (max-width: 768px) {
  #program {
    padding: var(--space-xl) 0;
  }
}

#program .program-wrapper {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

@media (max-width: 768px) {
  #program .program-wrapper {
    width: 90%;
  }
}

#program .program-header {
  width: fit-content;
  margin: 0 auto var(--space-md);
  text-align: center;
  position: relative;
  color: white;
}

#program .program-header img {
  margin: 0 auto;
  height: 60px;
  width: auto;
}
@media (max-width: 768px) {
  #program .program-header img {
    height: 40px;
  }
}

#program .program-header .program-notice {
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 20px);
  margin: var(--space-md) 0;
}

#program .program-content {
  width: 95%;
  max-width: var(--container-max);
  margin: var(--space-md) auto 0;
  box-shadow: 7px 9px 20px 0px #0000001A;
  border: clamp(2px, calc((100vw - 768px) * 0.00083 + 3px), 4px) solid var(--main-color);
  padding: clamp(12px, calc((100vw - 768px) * 0.01485 + 12px), 30px) clamp(14px, calc((100vw - 768px) * 0.01650 + 14px), 34px);
  background: #FFF;
  border-radius: 10px;
}

@media (max-width: 768px) {
  #program .program-content {
    width: 100%;
  }
}

#program .program-content .program-content-wrapper {
  border-radius: 5px;
  padding: 1rem;
  background-color: #FFF;
}

@media (max-width: 768px) {
  #program .program-content .program-content-wrapper {
    padding: 0;
  }
}

#program .program-content .program-content-header .time {
  background: var(--gradient-main--90deg);
  border-radius: 5px;
  padding: clamp(4px, calc((100vw - 768px) * 0.00330 + 4px), 8px);
  margin-bottom: clamp(10px, calc((100vw - 768px) * 0.00825 + 10px), 20px);
  display: flex;
  flex-direction: row;
  gap: clamp(10px, calc((100vw - 768px) * 0.00825 + 10px), 20px);
  align-items: center;
  width: 100%;
}

#program .program-content .program-content-header .time:before {
  content: "時間";
  color: var(--main-color);
  display: flex;
  background: #fff;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

#program .program-content .program-content-header .time p {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

#program .program-content .program-content-header h3 {
  font-size: clamp(18px, calc((100vw - 768px) * 0.00990 + 20px), 32px);
  font-weight: 700;
  color: var(--main-color);
}

@media (max-width: 768px) {
  #program .program-content .program-content-header h3 {
    font-size: 20px;
  }

  #program .program-content .program-content-header .time:before {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  #program .program-content .program-content-header .time p {
    font-size: 18px;
  }
}

#program .program-content .program-content-details {
  margin: clamp(10px, calc((100vw - 768px) * 0.01155 + 10px), 24px) 0 0;
  display: flex;
  flex-direction: row;
  gap: clamp(16px, calc((100vw - 768px) * 0.02640 + 16px), 48px);
  background-color: transparent;
  padding: 0;
}

#program .program-content .program-content-details+.program-content-details {
  padding-top: clamp(16px, calc((100vw - 768px) * 0.00000 + 32px), 32px);
}

@media (max-width: 768px) {
  #program .program-content .program-content-details {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}

#program .program-content .program-content-details.program-content-details--simple {
  align-items: center;
  justify-content: center;
}

#program .program-content .program-content-details .person-img {
  width: clamp(200px, calc((100vw - 768px) * 0.06601 + 200px), 280px);
  height: clamp(200px, calc((100vw - 768px) * 0.06601 + 200px), 280px);
  overflow: hidden;
  min-width: clamp(200px, calc((100vw - 768px) * 0.06601 + 200px), 280px);
}

@media (max-width: 768px) {
  #program .program-content .program-content-details .person-img {
    width: 200px;
    height: 200px;
  }
}

#program .program-content .program-content-details .person-img img {
  width: 100%;
  height: 100%;
}

#program .program-content .program-content-details .person-details {
  display: flex;
  flex-direction: column;
  gap: clamp(2px, calc((100vw - 768px) * 0.00495 + 2px), 8px);
  justify-content: center;
}

#program .program-content .program-content-details .person-details .logo-img {
  height: clamp(24px, calc((100vw - 768px) * 0.01650 + 24px), 44px);
  overflow: hidden;
  margin-bottom: clamp(4px, calc((100vw - 768px) * 0.00330 + 4px), 8px);
}

#program .program-content .program-content-details .person-details .logo-img img {
  height: clamp(24px, calc((100vw - 768px) * 0.01650 + 24px), 44px);
  width: auto;
  object-fit: contain;
}

#program .program-content .program-content-details .person-details .person-title {
  font-size: 14px;
  font-weight: 700;
}

#program .program-content .program-content-details .person-details .person-name {
  font-size: 24px;
  font-weight: 700;
}

#program .program-content .program-content-details .person-details .person-description {
  font-size: 14px;
  line-height: 1.8;
  font-weight: 700;
}


#outline {
  background: #ececec;
  padding: var(--space-xl) 0;
}

#outline .outline-wrapper {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 1980px) {
  #outline .outline-wrapper {
    max-width: var(--container-max);
  }
}

#outline .outline-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

#outline .outline-header img {
  margin: 0 auto;
  height: 60px;
  width: auto;
}
@media (max-width: 768px) {
  #outline .outline-header img {
    height: 40px;
  }
}

#outline .outline-table {
  display: flex;
  flex-direction: column;
}

#outline .outline-table .row {
  display: flex;
  flex-direction: row;
  font-size: clamp(14px, calc((100vw - 768px) * 0.00893 + 14px), 20px);
  min-height: clamp(70px, calc((100vw - 768px) * 0.04950 + 70px), 130px);
  border-bottom: 2px solid #222;
  letter-spacing: 1px;
  align-items: center;
  font-weight: bold;
}

@media (max-width: 768px) {
  #outline .outline-table .row {
    flex-direction: column;
    border-bottom: 1px solid #222;
    align-items: unset;
    min-height: 0;
    padding: 0.75rem 0;
  }
}

#outline .outline-table .row .col-left {
  display: flex;
  align-items: center;
  padding: clamp(12px, calc((100vw - 768px) * 0.00990 + 12px), 24px) 0 clamp(12px, calc((100vw - 768px) * 0.00990 + 12px), 24px) clamp(16px, calc((100vw - 768px) * 0.02640 + 16px), 48px);
  width: clamp(120px, calc((100vw - 768px) * 0.08251 + 120px), 220px);
  height: 100%;
}

#outline .outline-table .row .col-right {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: clamp(12px, calc((100vw - 768px) * 0.00990 + 12px), 24px) 0 clamp(12px, calc((100vw - 768px) * 0.00990 + 12px), 24px) clamp(20px, calc((100vw - 768px) * 0.01650 + 20px), 40px);
  height: 100%;
  color: #222;
}

.col-right a {
  color: var(--main-color);
  text-decoration: underline;
  cursor: pointer;
}

.col-right a:hover {
  color: color-mix(in srgb, var(--main-color) 80%, white 20%);
}

@media (max-width: 768px) {
  #outline .outline-table .row .col-left {
    padding: 0 0 0.25rem;
  }

  #outline .outline-table .row .col-right {
    padding: 0 1rem;
  }
}


#registration {
  background-image: url('../img/registration/registration-bg-pc.webp');
  background-size: cover;
  background-position: center top;
  background-color: #1e1b3a;
  width: 100%;
  padding: var(--space-xl) 0;
}

@media (max-width: 768px) {
  #registration {
    background-image: url('../img/registration/registration-bg-sp.webp');
  }
}

#registration .registration-wrapper {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
}

#registration .registration-header {
  text-align: center;
  margin: 0 auto var(--space-xl);
}

#registration .registration-header img {
  margin: 0 auto;
  height: 60px;
  width: auto;
}
@media (max-width: 768px) {
  #registration .registration-header img {
    height: 40px;
  }
}

#registration .registration-header p{
  color: #fff;
}

#registration .registration-form {
  width: 90%;
  margin: 0 auto;
  background: #fff;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

footer {
  height: clamp(40px, calc((100vw - 768px) * 0.03300 + 40px), 80px);
  text-align: center;
  background-color: #1e1b3a;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: clamp(12px, calc((100vw - 768px) * 0.01190 + 12px), 20px);
}