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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
}

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  --color-blue: #0d9fe0;
  --color-blue-dark: #0a7cb6;
  --color-yellow: #fff001;
  --color-black: #111111;
  --color-white: #ffffff;
  --color-text: #222222;
  --color-text-light: #444444;
  --color-gray-bg: #f2f2f2;
  --color-gray-border: #cccccc;
  --color-light-blue-bg: #e8f6fd;
  --color-navy: #0b3346;
  --color-navy-light: #164a60;

  --font-heading: "游ゴシック", "Yu Gothic", "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
  --font-body: "游ゴシック", "Yu Gothic", "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;

  --container-width: 1160px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;

  --radius-md: 12px;
  --radius-lg: 24px;
}

/* ==========================================================================
   Base
   ========================================================================== */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-wrap: break-word;
  word-break: break-word;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.section-title {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  color: var(--color-blue);
  /* letter-spacing: 0.02em; */
}

.section-title span {
  position: relative;
  display: inline-block;
  padding-inline: 4px;
}

.section-title span::after {
  content: "";
  position: absolute;
  left: -2px;
  right: -2px;
  bottom: 2px;
  height: 0.5em;
  background-color: var(--color-yellow);
  z-index: -1;
}

.section-subtitle {
  text-align: center;
  font-size: clamp(11px, 1.2vw, 16px);
  /* letter-spacing: 0.2em; */
  color: var(--color-text-light);
  margin-top: var(--space-xs);
  margin-bottom: var(--space-xl);
  font-weight: bold;

  @media (max-width: 768px) {
    margin-bottom: var(--space-sm);
  }
}

mark {
  background-color: var(--color-yellow);
  color: var(--color-text);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  padding: 0 2px;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 420px;
  background-color: var(--color-blue-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding: clamp(40px, 5vw, 40px) clamp(40px, 5vw, 40px);

  @media (max-width: 768px) {
    padding: 5vw;
  }
}

.hero__title {
  display: block;
  width: 38vw;
  max-width: 100%;
  margin-top: 0;

  @media (max-width: 768px) {
    width: 60vw;
  }
}

.hero__vertical {
  position: absolute;
  top: 0;
  right: clamp(0px, 1vw, 0px);
  z-index: 1;
  width: 14vw;
  height: auto;
  padding-top: clamp(140px, 2vw, 140px);
}

.hero__credit {
  position: absolute;
  left: clamp(12px, 2vw, 24px);
  bottom: clamp(20px, 8vw, 20px);
  z-index: 1;
  color: var(--color-white);
  font-size: 12px;
  font-weight: bold;
}

.info {
  position: relative;
  font-weight: bold;
}

.hero__callout-wrap {
  position: absolute;
  top: -10vw;
  right: 2vw;
  z-index: 3;
  width: 25vw;
  max-width: 400px;
}

.hero__callout {
  position: relative;
  display: block;
  width: 100%;
  min-width: 240px;
  max-width: 100%;
  margin-left: auto;
  height: auto;
}

.hero__callout-label {
  display: none;
}

.hero__callout-title {
  display: none;
}

.hero__callout-text {
  display: none;
}

/* ==========================================================================
   Info (yellow section)
   ========================================================================== */
.info {
  position: relative;
  background-color: var(--color-yellow);
  padding-top: clamp(60px, 16vw, 60px);
  /* padding-bottom: var(--space-2xl); */
  overflow: visible;
}

.info__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.info__time {
  display: block;
  width: min(760px, 88vw);
  height: auto;
  max-width: 100%;
  margin-top: 0;
}


.info__time-note {
  display: none;
}

.info__list {
  margin-top: clamp(14px, 2vw, 24px);
}

.info__list-row {
  display: flex;
  align-items: stretch;
  padding: 10px 0;
  font-size: clamp(14px, 1.6vw, 16px);
}

.info__list-row dt {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: 120px;
  padding-right: var(--space-md);
  border-right: 1px solid rgba(0, 0, 0, 0.35);
  font-weight: 700;
}

.info__list-row dd {
  flex: 1 1 auto;
  padding-left: var(--space-md);
  font-weight: 500;
}

.info__application-highlight {
  display: inline-block;
  padding: 0.5em 0.75em;
  background-color: var(--color-white);
  color: var(--color-black);
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 700;
  line-height: 1.4;
  border-radius: 50px;
}

.info__application-highlight-blue {
  color: var(--color-blue);
}

.info__lead {
  margin-right: 26vw;
}

.info__events {
  margin-top: var(--space-lg);
  padding: 0;
}

.info__events-title {
  text-align: center;
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.3em;
  padding: 12px 22px;
  border: 1px solid var(--color-black);
}

.info__events-grid {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
}

.info__events-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding: 0 0 var(--space-lg);
}

.info__event-name {
  font-weight: 700;
  font-size: clamp(14px, 1.6vw, 16px);
}

.info__event-desc,
.info__event-place {
  font-size: clamp(13px, 1.5vw, 15px);
  margin-top: 8px;
}

.info__credit {
  margin-top: var(--space-xs);
  font-size: clamp(11px, 1.3vw, 13px);
  color: var(--color-text);
}

.info__credit p+p {
  margin-top: 4px;
}

.info__credit-label {
  font-weight: 700;
  margin-right: 4px;
}

.info__deco {
  width: clamp(180px, 24vw, 320px);
  height: auto;
  margin-top: var(--space-sm);
  margin-left: auto;
  pointer-events: none;
}

/* ==========================================================================
   Divider bar
   ========================================================================== */
.divider {
  background-color: #00afeb;
  padding: var(--space-md) clamp(16px, 4vw, 40px);
}

.divider__text {
  text-align: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: clamp(15px, 2vw, 24px);
}

/* ==========================================================================
   Entry section
   ========================================================================== */
.entry {
  background-color: var(--color-white);
  padding-block: var(--space-2xl);
  font-weight: bold;

  @media (max-width: 768px) {
    padding-block: var(--space-lg);
  }
}

.entry__inner {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 40px);
}

.entry__period {
  text-align: center;
  font-weight: 700;
  font-size: clamp(16px, 2.2vw, 27px);
}

.entry__period-note {
  font-weight: 500;
  font-size: clamp(11px, 1.3vw, 16px);
  margin-top: var(--space-xs);
}

.schedule {
  margin-top: var(--space-xl);
}

.schedule__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: var(--space-lg);
}

.schedule__day {
  padding-right: var(--space-xl);
}

.schedule__day+.schedule__day {
  border-left: 1px solid #000000;
  padding-left: var(--space-xl);
  padding-right: 0;
}

.schedule__day-heading {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  /* padding-bottom: var(--space-sm); */
  /* border-bottom: 2px solid var(--color-blue); */
}

.schedule__day-badge {
  flex: 0 0 auto;
  border: 1px solid var(--color-blue);
  color: var(--color-blue);
  font-size: 13px;
  font-weight: 700;
  padding: 2px 10px;
}

.schedule__day-date {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--color-blue);
}

.schedule__slots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.schedule__slot-heading {
  font-weight: 700;
  margin-bottom: 6px;
}

.schedule__slot-time {
  font-size: clamp(13px, 1.5vw, 15px);
  color: var(--color-text-light);
  line-height: 1.8;
}

.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  /* max-width: 640px; */
  margin: var(--space-xl) auto 0;
  background-color: var(--color-black);
  color: var(--color-white);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 28px);
  padding: 30px 32px;
  border-radius: 4px;
  transition: opacity 0.2s ease, transform 0.2s ease;

  @media (max-width: 768px) {
    margin: var(--space-md) auto 0;
  }
}

.cta-button:hover {
  opacity: 0.85;
}

.cta-button:active {
  transform: scale(0.98);
}

.cta-button__icon {
  flex: 0 0 auto;
}

.entry__notice {
  text-align: center;
  font-size: clamp(11px, 1.3vw, 13px);
  margin-top: var(--space-md);
}

.caution-box {
  background-color: var(--color-gray-bg);
  /* border-radius: var(--radius-md); */
  padding: clamp(20px, 4vw, 40px);
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);

  @media (max-width: 768px) {
    margin-top: var(--space-md);
  }
}

.caution-box__heading {
  font-weight: 700;
  margin-bottom: 6px;
}

.caution-box__text {
  font-size: clamp(12px, 1.4vw, 14px);
  color: var(--color-text-light);
}

.event-map {
  margin-top: var(--space-2xl);

  @media (max-width: 768px) {
    margin-top: var(--space-lg);
  }
}

.event-map__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  /* gap: var(--space-xl); */
  gap: 0;
  align-items: start;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-blue);
}

.event-map__visual-heading {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.event-map__visual-title {
  color: var(--color-blue);
  font-size: clamp(24px, 3.5vw, 42px);
  line-height: 1.2;
  font-weight: 700;
}

.event-map__visual-subtitle {
  color: var(--color-text);
  font-size: clamp(11px, 1.3vw, 16px);
  font-weight: 700;
}

.event-map__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.event-map__card {
  border: 2px solid var(--color-blue);
  border-radius: var(--radius-md);
  padding: 0 0 clamp(12px, 2vw, 14px) 0;
  position: relative;
  font-weight: bold;
}

.event-map__badge {
  position: absolute;
  top: -37px;
  left: 19px;
  background-color: var(--color-white);
  border: 1px solid var(--color-blue);
  color: var(--color-blue);
  font-weight: 700;
  font-size: 13px;
  padding: 4px 14px;
  border-radius: 999px;
}

.event-map__badge::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 12px solid var(--color-white);
}

.event-map__badge::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-top: 13px solid var(--color-blue);
}

.event-map__header {
  background-color: var(--color-blue);
  color: #ffef00;
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 24px);
  text-align: center;
  padding: 0px 16px;
  border-radius: 6px 6px 0 0;
}

.event-map__item {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  margin: 0 var(--space-sm);
}

.event-map__item--featured {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.event-map__item:last-of-type {
  border-bottom: none;
}

.event-map__item-title {
  font-weight: 700;
  font-size: clamp(15px, 1.7vw, 19px);
}

.event-map__item-title mark {
  display: inline-block;
  background: transparent;
  color: inherit;
  padding: 0;
  position: relative;
}

.event-map__item-title mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 8px;
  background-color: var(--color-yellow);
  z-index: -1;
}

.event-map__item-desc {
  font-size: clamp(14px, 1.5vw, 15px);
  color: var(--color-text-light);
  margin-top: 4px;
}

.event-map__item-profile {
  font-size: clamp(11px, 1.2vw, 12px);
  line-height: 1.45;
  margin-top: 6px;
}

.event-map__item-content {
  flex: 1 1 auto;
  min-width: 0;
}

.event-map__speakers {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(4px, 0.7vw, 10px);
  width: 100%;
  margin-top: var(--space-sm);
}

.event-map__speaker {
  flex: 0 0 auto;
  text-align: center;
  font-size: clamp(10px, 1.15vw, 14px);
  line-height: 1.35;
}

.event-map__speaker img {
  width: 75%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  margin-inline: auto;
}

.event-map__speaker--single {
  width: clamp(52px, 5.83vw, 84px);
}

.event-map__speaker--single img {
  width: 100%;
  aspect-ratio: 1 / 1.15;
}

.event-map__speaker p {
  margin-top: 5px;
  white-space: nowrap;
}

.event-map__note {
  font-size: clamp(12px, 1.3vw, 15px);
  color: var(--color-text);
  margin: var(--space-xs) var(--space-sm) 0;
  padding-top: var(--space-xs);
}

.event-map__note p {
  line-height: 1.6;
}

.event-map__note span {
  color: #009ee7;
}

.event-map__note-caption {
  margin-top: var(--space-xs);
  color: var(--color-text-light);
  font-size: 0.9em;
  text-align: right;
  text-decoration-line: underline;
  text-decoration-color: var(--color-yellow);
  text-decoration-thickness: 0.35em;
  text-underline-offset: -0.15em;
  text-decoration-skip-ink: none;
}

.event-map__item-speaker {
  font-size: clamp(12px, 1.4vw, 14px);
  font-weight: 700;
  margin-top: 6px;
  text-align: right;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: var(--space-lg);
}

.info-grid__block {
  padding-inline: var(--space-xl);
}

.info-grid__block:first-child {
  padding-left: 0;
}

.info-grid__block:last-child {
  padding-right: 0;
}

.info-grid__block+.info-grid__block {
  border-left: 1px solid #009ee7;
}

.info-grid__heading {
  color: var(--color-blue);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 20px);
}

.info-grid__text {
  font-size: clamp(13px, 1.5vw, 16px);
  margin-top: var(--space-sm);
}

.info-grid__box {
  margin-top: var(--space-md);
  background-color: transparent;
  border: 1px solid #009ee7;
  padding: var(--space-md);
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 700;
  color: #009ee7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  position: relative;
  color: var(--color-white);
  overflow: hidden;
}

.footer__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 40, 56, 0.72), rgba(9, 40, 56, 0.88));
  z-index: 0;
}

.footer__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 760px;
  margin-inline: auto;
  padding: var(--space-xl) clamp(20px, 4vw, 40px);
  text-align: center;
  font-weight: bold;
}

.footer__label {
  display: inline-block;
  padding: 6px 24px;
  font-size: 18px;
  letter-spacing: 0.1em;
}

.footer__contact {
  margin-top: var(--space-lg);

}

.footer__contact-heading {
  font-weight: 700;
  font-size: clamp(16px, 2vw, 18px);
}

.footer__contact-org {
  margin-top: var(--space-sm);
  font-size: clamp(13px, 1.5vw, 15px);
}

.footer__contact-tel {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 24px);
  margin-top: 6px;
}

.footer__contact-note {
  font-size: clamp(10px, 1.2vw, 12px);
  opacity: 0.8;
  margin-top: var(--space-sm);
  line-height: 1.8;
}

.footer__copyright {
  margin-top: var(--space-xl);
  font-size: 12px;
  opacity: 0.7;
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
.js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   SP (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
  .hero {
    aspect-ratio: 3 / 4;
    min-height: 480px;
  }

  .hero__vertical {
    top: 20vw;
    right: 0;
    width: 24vw;
  }

  .hero__callout-wrap {
    position: relative;
    top: 0px;
    right: auto;
    width: 40vw;
    margin: -139px 0 12px auto;
    z-index: 2;
  }

  .hero__callout {
    width: 100%;
    min-width: unset;
    max-width: 100%;
    margin-left: auto;
    transform: none;
  }

  .info {
    padding-top: clamp(40px, 18vw, 80px);
  }

  .info__lead {
    margin-right: 0;
  }

  .info__events-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .info__deco {
    width: 55vw;
  }

  .schedule__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .schedule__day,
  .schedule__day+.schedule__day {
    padding-left: 0;
    padding-right: 0;
    border-left: none;
  }

  .schedule__day+.schedule__day {
    margin-top: var(--space-lg);
  }

  .schedule__slots {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .event-map__grid {
    grid-template-columns: 1fr;
  }

  .event-map__image {
    content: url("../images/map-sp.png");
  }

  /* 1名の講師写真を本文の下へ配置 */
  .event-map__item--featured {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .event-map__speaker--single {
    width: min(180px, 100%);
    align-self: center;
  }

  /* 複数名は2列。3人目以降は次の行へ折り返す */
  .event-map__speakers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 12px;
    width: calc(100% + 24px);
    margin-inline: -12px;
  }

  .event-map__speaker {
    min-width: 0;
    font-size: 12px;
  }

  .event-map__speaker img {
    display: block;
    width: 100%;
    max-width: 180px;
    height: auto;
    margin-inline: auto;
  }

  .event-map__speaker p {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .info-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .info-grid__block,
  .info-grid__block:first-child,
  .info-grid__block:last-child {
    padding-left: 12px;
    padding-right: 12px;
  }

  .info-grid__block+.info-grid__block {
    border-left: none;
  }

  .footer__inner {
    padding-block: var(--space-xl);
  }
}