/* =============================
   Design Tokens
   ============================= */
:root {
  --color-bg: #ffffff;
  --color-bg-dark: #071323;
  --color-bg-soft: #f5f5f5;
  --color-text: #1f232a;
  --color-text-dark: #071323;
  --color-text-mute: rgba(7, 19, 35, 0.7);
  --color-accent: #fab835;
  --color-accent-dark: #8f0609;
  --color-required: #d53e41;
  --color-border: #e3e3e3;
  --color-line: rgba(7, 19, 35, 0.15);

  --font-sans: "Zen Kaku Gothic New", "Noto Sans JP", -apple-system,
    BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "Meiryo", sans-serif;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;

  --container: 1000px;
  --container-pad: 24px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition: 0.25s ease;
}

/* =============================
   Reset & Base
   ============================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "palt";
}

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

a {
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

dl,
dd,
dt,
p,
h1,
h2,
h3,
h4 {
  margin: 0;
}

/* =============================
   Layout helpers
   ============================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* =============================
   Section title
   ============================= */
.section-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 28px);
  color: var(--color-text-dark);
  text-align: center;
  letter-spacing: 0.05em;
  line-height: 1.4;
  padding-top: clamp(40px, 5vw, 52px);
}

.section-title--accent {
  color: var(--color-accent);
}

.section-title--white {
  color: #ffffff;
}

.section-title--left {
  text-align: left;
}

.section-divider {
  width: 56px;
  height: 2px;
  background: var(--color-text-dark);
  margin: 14px auto 28px;
}

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

.section-divider--left {
  margin-inline: 0;
}

/* =============================
   Hero
   ============================= */
.hero {
  position: relative;
  background-color: #f5f5f5;
  overflow: hidden;
  width: 100%;
  min-height: clamp(540px, 44vw, 720px);
  display: flex;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 20vw center;
  z-index: 0;
  pointer-events: none;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(255, 255, 255, 0.75) 30%,
    rgba(255, 255, 255, 0.2) 55%,
    rgba(255, 255, 255, 0) 70%
  );
  z-index: 1;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1477px;
  margin-inline: auto;
  padding: clamp(28px, 3.8vw, 56px) clamp(24px, 8.4vw, 128px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.hero__content {
  position: relative;
  z-index: 3;
  color: var(--color-text-dark);
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.2vw, 18px);
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
}

.hero__title-line {
  font-size: clamp(32px, 4.5vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #1f232a;
}

.hero__title-blocks {
  display: inline-flex;
  gap: 8px;
}

.hero__char {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(64px, 8.5vw, 95px);
  height: clamp(64px, 8.5vw, 95px);
  background: var(--color-text-dark);
  color: #ffffff;
  font-size: clamp(44px, 5.8vw, 64px);
  line-height: 1;
}

.hero__sub {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(16px, 1.7vw, 22px);
  line-height: 1.8;
  color: var(--color-text-dark);
}

.hero__date {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--color-text-dark);
  margin-top: 8px;
}

.hero__pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-text-dark);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  font-family: "Noto Sans JP", var(--font-sans);
}

.hero__date-num {
  font-weight: 700;
  font-size: clamp(44px, 4.6vw, 56px);
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero__date-day {
  writing-mode: vertical-rl;
  font-weight: 700;
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1;
  letter-spacing: -0.02em;
  align-self: flex-end;
  margin-bottom: 4px;
  margin-left: -8px;
}

.hero__date-time {
  font-weight: 700;
  font-size: clamp(28px, 3vw, 36px);
  line-height: 1;
  letter-spacing: 0;
}

.hero__date-range {
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 8px;
}

.hero__date-range .hero__date-day {
  writing-mode: horizontal-tb;
  align-self: baseline;
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
}

.hero__date-sep {
  font-weight: 700;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  margin: 0 2px;
}

.hero__speakers {
  position: relative;
  z-index: 3;
  display: flex;
  gap: clamp(28px, 7vw, 100px);
  flex-wrap: wrap;
  align-self: flex-start;
}

.hero__speaker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero__speaker-img {
  width: clamp(64px, 7vw, 86px);
  height: clamp(64px, 7vw, 86px);
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: #ffffff;
}

.hero__speaker-info {
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-dark);
}

.hero__speaker-company {
  font-weight: 500;
  font-size: 16px;
}

.hero__speaker-role {
  font-size: 16px;
  font-weight: 500;
}

.hero__speaker-name {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.3;
  margin-top: 6px;
}

.hero__visual {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  width: clamp(240px, 30vw, 400px);
  aspect-ratio: 1 / 1;
  pointer-events: none;
}

.hero__phone {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right bottom;
  mix-blend-mode: multiply;
}

/* =============================
   Highlight bar
   ============================= */
.highlight {
  background: var(--color-bg-dark);
  padding: 18px 16px;
}

.highlight__inner {
  max-width: 1280px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.highlight__list {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
  flex-wrap: wrap;
}

.highlight__item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
}

.highlight__icon {
  width: 46px;
  height: 46px;
  object-fit: contain;
  flex-shrink: 0;
}

.highlight__text {
  line-height: 1.5;
}

.highlight__sub {
  font-size: 16px;
  font-weight: 500;
}

.highlight__main {
  font-size: 17px;
  font-weight: 700;
}

.highlight__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--color-accent);
  color: var(--color-text-dark);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 16px;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 6px;
  border: 1px solid #000;
  transition: transform var(--transition), filter var(--transition);
}

.highlight__cta:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.highlight__cta-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-text-dark);
  color: var(--color-accent);
  font-size: 16px;
}

/* =============================
   Problems
   ============================= */
.problems {
  background: #ffffff;
  padding-bottom: 56px;
}

.problems__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.problem-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--color-text-dark);
  background: #ffffff;
  padding: 16px;
  min-height: 84px;
}

.problem-card__icon {
  width: 46px;
  height: 46px;
  object-fit: contain;
  flex-shrink: 0;
}

.problem-card__text {
  border-left: 1px solid var(--color-line);
  padding-left: 16px;
  line-height: 1.4;
}

.problem-card__sub {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-dark);
}

.problem-card__main {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-top: 4px;
}

/* =============================
   Learn (dark section)
   ============================= */
.learn {
  background: var(--color-bg-dark);
  color: #ffffff;
  padding-bottom: 56px;
}

.learn .section-title {
  padding-top: clamp(40px, 5vw, 52px);
}

.learn__intro {
  margin: 16px 0 32px;
  display: grid;
  gap: 10px;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.05em;
}

.learn__intro strong {
  font-weight: 700;
  color: var(--color-accent);
}

.learn__list {
  display: grid;
  gap: 0;
}

.learn__item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.learn__item:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.learn__num {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 40px;
}

.learn__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.3;
  margin-bottom: 8px;
}

.learn__desc {
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.9);
}

/* =============================
   Recommend
   ============================= */
.recommend {
  background: var(--color-bg-soft);
  padding-bottom: 56px;
}

.recommend__list {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-inline: auto;
}

.recommend__item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 6px 0;
}

.recommend__icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.recommend__item p {
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.08em;
}

/* =============================
   CTA banner
   ============================= */
.cta-banner {
  background: var(--color-accent);
  padding: 14px 16px;
}

.cta-banner__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 620px;
  margin-inline: auto;
  background: var(--color-text-dark);
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(16px, 1.8vw, 18px);
  padding: 16px 24px;
  border-radius: 10px;
  transition: transform var(--transition), filter var(--transition);
}

.cta-banner__btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.cta-banner__arrow {
  font-size: 22px;
  line-height: 1;
}

/* =============================
   Speakers
   ============================= */
.speakers {
  background: #ffffff;
  padding-bottom: 56px;
}

.speaker-card {
  display: grid;
  grid-template-columns: 185px 1fr;
  gap: 32px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line);
}

.speaker-card:last-child {
  border-bottom: none;
}

.speaker-card__img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
}

.speaker-card__name {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-family: var(--font-serif);
  font-weight: 900;
}

.speaker-card__name-jp {
  font-size: 22px;
  color: var(--color-text-dark);
}

.speaker-card__name-en {
  font-size: 20px;
  color: rgba(7, 19, 35, 0.4);
  letter-spacing: 0.05em;
}

.speaker-card__desc {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.06em;
  color: var(--color-text-dark);
}

.speaker-card__desc + .speaker-card__desc {
  margin-top: 16px;
}

/* =============================
   Overview & schedule
   ============================= */
.overview,
.schedule {
  background: #ffffff;
  padding-bottom: 56px;
}

.overview__list,
.schedule__list {
  border-top: 1px solid var(--color-line);
}

.overview__row,
.schedule__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--color-line);
}

.schedule__row {
  display: block;
  text-align: center;
}

.schedule__time,
.schedule__content {
  display: inline;
}

.schedule__time {
  margin-right: 8px;
}

.overview__label,
.schedule__time {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 17px;
  color: var(--color-text-mute);
}

.schedule__time {
  color: var(--color-text-dark);
}

.overview__value,
.schedule__content {
  font-weight: 500;
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-dark);
}

.overview__value a {
  text-decoration: underline;
}

.overview__value--small {
  font-size: 16px;
  line-height: 1.8;
}

.overview__sub {
  display: block;
  font-size: 16px;
  margin-top: 6px;
  color: var(--color-text-mute);
}

.schedule__note {
  margin-top: 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-dark);
  padding-inline: 16px;
}

/* =============================
   Gift card
   ============================= */
.gift {
  background: #ffffff;
  padding: 16px 0 32px;
}

.gift__card {
  background: var(--color-accent-dark);
  border-radius: 8px;
  padding: 28px 32px;
  display: flex;
  gap: 28px;
  align-items: center;
  color: #ffffff;
  flex-wrap: wrap;
}

.gift__body {
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.gift__pill {
  display: block;
  width: 100%;
  background: var(--color-accent);
  color: var(--color-text-dark);
  font-weight: 700;
  font-size: 16px;
  padding: 10px 14px;
  border-radius: 4px;
  text-align: center;
  line-height: 1.4;
}

.gift__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.4;
  color: #ffffff;
  margin: 0;
}

.gift__img {
  flex: 0 0 auto;
  width: clamp(220px, 30%, 300px);
  height: auto;
  border-radius: 6px;
  object-fit: cover;
}

/* =============================
   Features
   ============================= */
.features {
  background: var(--color-bg-soft);
  padding-bottom: 56px;
}

.features__lead {
  font-weight: 500;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  letter-spacing: 0.08em;
  margin: 16px 0 32px;
}

.features__list {
  display: grid;
  gap: 36px;
}

.features__item {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.features__item--reverse {
  grid-template-columns: 1fr 1.1fr;
}

.features__item--reverse .features__text {
  order: 1;
}

.features__item--reverse .features__img {
  order: 2;
}

.features__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.5;
  margin-bottom: 16px;
  color: var(--color-text-dark);
  letter-spacing: 0.06em;
}

.features__highlight {
  background: linear-gradient(transparent 60%, var(--color-accent) 60%);
  padding: 0 4px;
}

.features__desc {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.06em;
  color: var(--color-text-dark);
}

.features__img {
  width: 100%;
  border-radius: 10px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* =============================
   Form
   ============================= */
.form-section {
  background: var(--color-bg-dark);
  color: #ffffff;
  padding-bottom: 48px;
}

.form-section__body {
  background: #fff;
  padding: 64px;
  border-radius: 4px;
  margin-top: 20px;
  color: var(--color-text-dark);
}

.form {
  background: #ffffff;
  border-radius: 8px;
  padding: clamp(24px, 3.2vw, 36px);
  margin-top: 20px;
  color: var(--color-text-dark);
}

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

.form__col {
  display: grid;
  gap: 18px;
}

.form__field {
  display: grid;
  gap: 6px;
}

.form__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
}

.form__required {
  display: inline-flex;
  align-items: center;
  background: var(--color-required);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  line-height: 1;
}

.form__input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 14px 16px;
  font-size: 16px;
  font-family: inherit;
  background: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__input::placeholder {
  color: #999;
  font-size: 16px;
}

.form__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(250, 184, 53, 0.25);
}

.form__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 460px;
  margin: 24px auto 0;
  background: var(--color-accent);
  color: var(--color-text-dark);
  border: none;
  border-radius: 999px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(16px, 1.8vw, 20px);
  padding: 18px 24px;
  transition: transform var(--transition), filter var(--transition);
}

.form__submit:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.form__submit-arrow {
  font-size: 20px;
  line-height: 1;
}

/* =============================
   Footer
   ============================= */
.footer {
  background: #000000;
  color: #ffffff;
  padding: 24px 16px;
}

.footer__inner {
  max-width: 1100px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer__logo {
  width: 90px;
  height: auto;
  filter: brightness(0) invert(1);
}

.footer__links {
  display: flex;
  gap: 24px;
  font-size: 16px;
}

.footer__links a {
  color: #ffffff;
  text-decoration: none;
  transition: opacity var(--transition);
}

.footer__links a:hover {
  opacity: 0.7;
}

/* =============================
   Responsive
   ============================= */
@media (max-width: 960px) {
  .hero {
    min-height: auto;
  }

  .hero__bg {
    object-position: center;
  }

  .hero::before {
    background: linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.92) 0%,
      rgba(255, 255, 255, 0.85) 60%,
      rgba(255, 255, 255, 0.7) 100%
    );
  }

  .hero__inner {
    padding: clamp(40px, 6vw, 80px) 24px;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 24px;
  }

  .hero__content {
    max-width: 100%;
    align-items: center;
    text-align: center;
  }

  .hero__visual {
    display: none;
  }

  .hero__title-blocks {
    justify-content: center;
  }

  .hero__date {
    justify-content: center;
  }

  .hero__speakers {
    flex-direction: column;
    align-items: flex-start;
    align-self: center;
    gap: 14px;
    width: max-content;
    max-width: 100%;
  }

  .highlight__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .highlight__list {
    justify-content: center;
  }

  .highlight__cta {
    align-self: center;
  }

  .speaker-card {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .speaker-card__img {
    width: 200px;
    aspect-ratio: 1;
    margin-inline: auto;
  }

  .features__item,
  .features__item--reverse {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .features__item--reverse .features__text {
    order: 0;
  }

  .features__item--reverse .features__img {
    order: 0;
  }

  .gift__card {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }

  .gift__body {
    flex: 1 1 auto;
    align-items: stretch;
  }

  .gift__img {
    margin-inline: auto;
    width: 100%;
    max-width: 320px;
  }

  .form-section__body {
    padding: 32px 24px;
  }

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

  .overview__row,
  .schedule__row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 8px;
  }

  .overview__value,
  .schedule__content {
    font-size: 16px;
  }
}

@media (max-width: 640px) {
  .section-title {
    font-size: 22px;
    padding-top: 48px;
  }

  .section-divider {
    margin-bottom: 28px;
  }

  .hero__title-line {
    font-size: 30px;
  }

  .hero__char {
    width: 62px;
    height: 62px;
    font-size: 42px;
  }

  .hero__sub {
    font-size: 16px;
  }

  .hero__date {
    gap: 12px;
  }

  .hero__date-num {
    font-size: 44px;
  }

  .hero__date-time {
    font-size: 26px;
  }

  .hero__date-range {
    flex-basis: 100%;
    justify-content: center;
  }

  .hero__date-range .hero__date-num {
    font-size: 38px;
  }

  .hero__date-sep {
    font-size: 30px;
  }

  .hero__speakers {
    gap: 16px;
  }

  .hero__speaker-img {
    width: 64px;
    height: 64px;
  }

  .hero__speaker-name {
    font-size: 20px;
  }

  .hero__speaker-company {
    font-size: 16px;
  }

  .hero__speaker-role {
    font-size: 16px;
  }

  .highlight {
    padding: 18px 12px;
  }

  .highlight__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .highlight__cta {
    width: 100%;
  }

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

  .problem-card {
    padding: 14px;
  }

  .problem-card__main {
    font-size: 17px;
  }

  .learn__item {
    flex-direction: column;
    gap: 8px;
  }

  .learn__num {
    font-size: 28px;
  }

  .learn__title {
    font-size: 20px;
  }

  .recommend__icon {
    width: 36px;
    height: 36px;
  }

  .gift__card {
    padding: 22px 18px;
  }

  .gift__title {
    font-size: 20px;
  }

  .features__title {
    font-size: 18px;
  }

  .features__highlight {
    background: linear-gradient(transparent 65%, var(--color-accent) 65%);
  }

  .form-section__body {
    padding: 24px 16px;
  }

  .form {
    padding: 22px 18px;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-banner__btn {
    padding: 14px 18px;
  }
}


/* ===================================
   Webinar End Modal (配信終了)
   =================================== */
body.is-modal-open {
  overflow: hidden;
}

.end-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(7, 19, 35, 0.88);
  overflow-y: auto;
}

.end-modal.is-closed {
  display: none;
}

.end-modal__card {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin: auto;
  padding: 56px 32px 44px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(7, 19, 35, 0.35);
  text-align: center;
}

.end-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-text-mute);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.end-modal__close svg {
  width: 18px;
  height: 18px;
  display: block;
}

.end-modal__close:hover {
  background: var(--color-bg-soft);
  color: var(--color-text-dark);
}

.end-modal__close:focus-visible {
  outline: 2px solid var(--color-text-dark);
  outline-offset: 2px;
}

.end-modal__title {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text-dark);
  margin: 0 0 16px;
}

.end-modal__text {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-mute);
  margin: 0 0 28px;
}

.end-modal__btn {
  display: inline-block;
  padding: 16px 40px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-dark);
  background: var(--color-accent);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: opacity var(--transition);
}

.end-modal__btn:hover {
  opacity: 0.85;
}

.end-modal__btn:focus-visible {
  outline: 2px solid var(--color-text-dark);
  outline-offset: 3px;
}

@media (max-width: 599px) {
  .end-modal {
    padding: 16px;
  }
  .end-modal__card {
    padding: 48px 20px 36px;
  }
  .end-modal__close {
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
  }
  .end-modal__title {
    font-size: 20px;
  }
  .end-modal__text {
    font-size: 14px;
  }
  .end-modal__btn {
    padding: 15px 32px;
    font-size: 14px;
  }
}

/* 配信終了ラベル（旧CTAの位置に表示・操作不可） */
.is-ended {
  background: var(--color-bg-soft) !important;
  background-image: none !important;
  color: var(--color-text-mute) !important;
  border-color: var(--color-border) !important;
  box-shadow: none !important;
  cursor: default;
  pointer-events: none;
  text-decoration: none;
}