@charset "utf-8";

:root {
  --color-blue: #0a0a6e;
  --color-purple: #5c1a8a;
  --color-magenta: #9b00a8;
  --color-heading: #4a148c;
  --color-cta: #BF1E16;
  --color-cta-border: #C11C13;
  --color-cta-hover: #d43a20;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #dddddd;
  --color-bg-gray: #f5f5f5;
  --color-white: #ffffff;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic Pro", "Meiryo", sans-serif;
  --font-en: "Roboto", "Noto Sans JP", sans-serif;
  --container-width: 1300px;
  --gradient-main: linear-gradient(135deg, #0a0a6e 0%, #3d0a7a 45%, #9b00a8 100%);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-ja);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

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

@media (min-width: 769px) {
  .sp {
    display: none;
  }
}

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

.en {
  font-family: var(--font-en);
}

.container {
  width: min(100% - 40px, var(--container-width));
  margin-inline: auto;
}

.section-gradient {
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  background: url("../images/section-gradient-bg.webp") no-repeat center center / cover;
}

.section-gradient::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  width: 382px;
  height: 260px;
  background: url(../images/section-gradient-icon.png) no-repeat top right / contain;
}

.section-white {
  background: var(--color-white);
}

/* Button */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 320px;
  padding: 18px 40px;
  background: var(--color-cta);
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 700;
  border: 1px solid var(--color-cta-border);
  border-radius: 6px;
  transition: background 0.3s;
}

.btn-cta:hover {
  background: var(--color-cta-hover);
  color: var(--color-white);
}

.btn-cta__arrow {
  display: inline-block;
  background: url(../images/icon-arrow-right.png) no-repeat center center / cover;
  width: 10px;
  height: 17px;

}
.btn-cta2 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 500px;
  padding: 24px 40px;
  background: var(--color-cta);
  color: var(--color-white);
  font-size: 1.8rem;
  font-weight: 700;
  border: 1px solid var(--color-cta-border);
  border-radius: 6px;
  transition: background 0.3s;
}

.btn-cta2:hover {
  background: var(--color-cta-hover);
  color: var(--color-white);
}

/* Section headings */
.section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.section-heading__en {
  margin: 0 0 8px;
  font-family: var(--font-en);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.section-heading__ja {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
}

.section-heading--purple .section-heading__en {
  color: var(--color-heading);
}

.section-heading--white .section-heading__en,
.section-heading--white .section-heading__ja {
  color: var(--color-white);
}

/* Header */
.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
}

.header__inner {
  padding: 30px;
}

.header__logo img {
  width: 200px;
  height: auto;
}

/* Hero */
.hero {
  padding: 160px 0 120px;
  min-height: 620px;
  background: url(../images/hero-bg.webp) no-repeat center center / cover;
  color: var(--color-white);
}

.hero__body {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  position: relative;
}

.hero__content {

}

.hero__title {
  margin: 0 0 40px;
  width: calc(810 / 1300 * 100vw);
  max-width: 810px;
}

.hero__lead {
  margin: 0;
  font-size: calc(30 / 1300 * 100vw);
  font-weight: 700;
  line-height: 1.5;
}

@media (min-width: 1300px) {
  .hero__lead {
    font-size: 30px;
  }
}

.hero__sub {
  margin: 0 0 40px;
  font-size: calc(24 / 1300 * 100vw);
  font-weight: 500;
  line-height: 1.5;
}

@media (min-width: 1300px) {
  .hero__sub {
    font-size: 24px;
  }
}

.hero__date {
  margin: 0 0 40px;
  font-family: var(--font-en);
  font-size: calc(50 / 1300 * 100vw);
  font-weight: 500;
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 18px;
}

@media (min-width: 1300px) {
  .hero__date {
    font-size: 50px;
  }
}
.hero__date-day {
  font-size: 60%;
  font-weight: 500;
  line-height: 1.5;
}

.hero__date-online {
  font-size: 40%;
  font-weight: 500;
  line-height: 1.2;
  padding: 8px 16px;
  border: 1px solid var(--color-white);
}

.hero__speakers {
  display: flex;
  justify-content: center;
  position: absolute;
  top: 100px;
  right: 0;
}

.hero__speaker {
  width: calc(508 / 1300 * 100vw);
  max-width: 508px;
  height: auto;
}

.hero__speaker img {
  width: 100%;
  height: auto;
}
/* 
.hero__speaker-frame {
  width: 280px;
  margin-bottom: 16px;

}

.hero__speaker-frame img {
  width: calc(280 / 1300 * 100vw);
  height: auto;
  vertical-align: middle;
}

.hero__speaker-name {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 700;
}

.hero__speaker-title {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.6;
  opacity: 0.9;
} */

.section-gradient-text-01 {
  background: linear-gradient(180deg, #011983 0%, #9E00B6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-gradient-text-02 {
  background: linear-gradient(180deg, #EBF795 0%, #95E7F7 41%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* About */
.about {
  padding: 80px 0;
  background: url(../images/about-bg.webp) no-repeat center center / cover;
}

.about__inner {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
  align-items: start;
}

.about__heading-en {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  text-align: right;
  color: var(--color-heading);
  line-height: 1.1;
  padding-bottom: 16px;
  position: relative;
}

.about__heading-en::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: calc(50% - 50vw);
  right: 0;
  height: 1px;
  background-color: #9500BA;
  z-index: 1;
}

.about__heading-ja {
  margin: 16px 0 0;
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: right;
}

.about__text p {
  margin: 0 0 1.5em;
  font-size: 1.125rem;
  line-height: 2;
  text-align: justify;
}

.about__text p:last-child {
  margin-bottom: 0;
}

/* Benefits */
.benefits {
  padding: 100px 0;
}

.benefits__inner {
  padding: 60px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}
.benefits__inner::before {
  content: "";
  display: block;
  position: absolute;
  top: 50px;
  left: 50px;
  width: 210px;
  height: 50px;
  background: linear-gradient(135deg, #D302DE 0%, #940202 100%);
  transform: rotate(-45deg) translate(-50%, -50%);
  transform-origin: left top;
}

.benefits__title-wrap {
  text-align: center;
  margin-bottom: 40px;
}

.benefits__title {
  display: inline-block;
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  color: #011983;
  margin-bottom: 12px;
  position: relative;
}

.benefits__title-desc {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.5;
}

.benefits__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.benefits__card-text {
  margin: 20px 0 0;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}

.benefits__cta{
  text-align: center;
  margin-top: 60px;
}

/* Timetable */
.timetable {
  padding: 100px 0;
}

.timetable__heading{
  margin-bottom: 80px;
  text-align: center;
}

.timetable__heading-en {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.1;
  padding-bottom: 24px;
  position: relative;
}
.timetable__heading-en::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  max-width: 100%;
  height: 1px;
  background-color:rgba(255, 255, 255, 0.5);
  z-index: 1;
}

.timetable__heading-ja {
  margin: 16px 0 0;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--color-white);
}

.timetable__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 80px;
  position: relative;
  z-index: 1;
}

.timetable__item {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: calc(60 / 1300 * 100vw);
  padding: 0;
}

.timetable__item:last-child {
  border-bottom: none;
}

.timetable__item--break {
  align-items: center;
}

.timetable__time {
  font-family: var(--font-en);
  font-size: 2.125rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  border-right: 1px solid rgba(255, 255, 255, 0.5);
  align-self: stretch;
  padding: 0;
  margin: 0;
}

.timetable__badge {
  display: block;
  margin-bottom: 50px;
  padding: 6px 24px;
  background: var(--color-white);
  color: #000E69;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  border-radius: 100vh;
}

.timetable__badge--break {
  margin-bottom: 0;
}

.timetable__session {
  display: grid;
  grid-template-columns: 26% 1fr;
  gap: calc(60 / 1300 * 100vw);
  align-items: start;
}

.timetable__photo {
}

.timetable__photo img {
  width: 100%;
  border-radius: 20px;
}

.timetable__detail-header{
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.timetable__title {
  margin: 0;
  font-size: 2.125rem;
  font-weight: 700;
  line-height: 1.5;
}

.timetable__subtitle{
  margin: 8px 0 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
}

.timetable__desc {
  margin: 16px 0 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.7;
}

.timetable__speaker-name {
  margin: 0 0 4px;
  font-size: 1.875rem;
  font-weight: 700;
}

.timetable__speaker-affiliation {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  font-weight: 700;
}

.timetable__speaker-bio {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.6;
}

/* Information */
.information {
  padding: 80px 0;
}

.information__heading{
  text-align: center;
  margin-bottom: 48px;
}

.information__heading-en {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  position: relative;
}
.information__heading-en::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 420px;
  max-width: 100%;
  height: 1px;
  background-color:#9500BA;
  z-index: 1;
}

.information__heading-ja {
  margin: 16px 0 0;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
}

.information__table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 24px;
  margin-bottom: 48px;

}

.information__table tr {
  background-color: #F7F8F7;
}

.information__table th,
.information__table td {
  padding: 20px 24px;
  font-size: 1.125rem;
  line-height: 1.8;
}

.information__table th {
  width: 250px;
  font-weight: 700;
  white-space: nowrap;
  text-align: center;
  vertical-align: middle;
  border-right: 1px solid #D9D9D9;
}

.information__table td {
}

.information__table-desc {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

.information__cta {
  text-align: center;
}

.information__table a {
  color: #1a5fb4;
  text-decoration: underline;
}

.information__table ul {
  margin: 0;
  padding-left: 1em;
}

.information__table li {
}

.information__table li:last-child {
}

/* Footer */
.footer {
  padding: 60px 0 80px;
  text-align: center;
  background: url("../images/footer-bg.webp") no-repeat center center / cover;
  color: var(--color-white);
}

.footer__title {
  margin: 0 0 24px;
  font-size: 1.875rem;
  font-weight: 700;
  position: relative;
  padding-bottom: 24px;
}
.footer__title::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  max-width: 100%;
  height: 1px;
  background-color:rgba(255, 255, 255, 0.5);
  z-index: 1;
}

.footer__heading {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.8;
}

.footer__email {
  margin: 0;
  font-family: var(--font-en);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.8;
}

.footer__email a {
  color: var(--color-white);
  text-decoration: none;
}

.footer__company {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.8;
}

.footer__logo{
  margin-top: 40px;
  text-align: center;
}
.footer__logo img {
  width: 200px;
  height: auto;
}

/* Responsive */
@media (max-width: 768px) {
  .header__inner {
    padding: 16px;
  }

  .header__logo img {
    width: 160px;
  }

  .hero__body {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__speakers {
    order: -1;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .benefits__cards {
    grid-template-columns: 1fr;
  }

  .timetable__heading{
    margin-bottom: 40px;
  }

  .timetable__item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* .timetable__session {
    grid-template-columns: 80px 1fr;
    gap: 16px;
  } */

  .timetable__photo {
    /* width: 80px; */
  }

  .timetable__title{
    font-size: 1.5rem;
  }

  .timetable__subtitle{
    font-size: 1.25rem;
  }

  .timetable__desc{
    font-size: 0.875rem;
  }

  .timetable__speaker-name{
    font-size: 1.5rem;
  }

  .timetable__speaker-affiliation{
    font-size: 0.875rem;
  }

  .timetable__speaker-bio{
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .hero__title {
    width: 100%;
  }

  .hero__speakers {
    position: static;
    margin-top: 24px;
    margin-bottom: 24px;
  }
  .hero__speaker {
    width: 100%;
  }

  .hero__lead {
    font-size: calc(50 / 768 * 100vw);
  }

  .hero__sub {
    font-size: calc(28 / 768 * 100vw);
  }

  .hero__date {
    flex-direction: column;
    font-size: 2rem;
  }

  .hero__speakers {
    gap: 12px;
  }

  .btn-cta {
    min-width: 0;
    width: 100%;
    padding: 16px 24px;
    font-size: 1.25rem;
  }
	.btn-cta2 {
    min-width: 0;
    width: 100%;
    padding: 16px 24px;
    font-size: 1.25rem;
  }

  .about__heading-en,
  .about__heading-ja {
    text-align: left;
  }

  .benefits__cta{
    margin-top: 40px;
  }

  .benefits__inner{
    padding: 40px 20px;
  }

  .benefits__inner::before {
    top: 23px;
    left: 23px;
    width: 180px;
    height: 30px;
  }

  .benefits__title{
    font-size: 1.3rem;
  }

  .about,
  .benefits,
  .timetable,
  .information {
    padding: 60px 0;
  }

  .information__table th,
  .information__table td {
    display: block;
    width: 100%;
    font-size: 1rem;
    padding: 16px;
  }

  .information__table th {
    border-bottom: none;
    text-align: left;
    border-right: none;
    padding-bottom: 0;
  }

  .information__table td {
    border-top: none;
    padding-top: 0;
  }

  .section-gradient::before {
    width: 160px;
    height: 88px;
  }

  .timetable__badge{
    margin-bottom: 30px;
  }

  .timetable__time {
    border-right: none;
    text-align: center;
  }

  .timetable__session {
    grid-template-columns: 1fr;
  }

  .timetable__photo {
    width: 120px;
    margin-left: auto;
    margin-right: auto;
  }

  .footer__title {
    font-size: 1.5rem;
    padding-bottom: 16px;
  }
  .footer__heading {
    font-size: 1rem;
  }
  .footer__email {
    font-size: 1rem;
  }
  .footer__company {
    font-size: 1rem;
  }
  .footer__logo img {
    width: 160px;
  }
}
