:root {
  --black: #050505;
  --ink: #17100f;
  --orange: #ff7900;
  --blue: #2f70bd;
  --white: #fff;
  --paper: #f4f1eb;
  --max: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--white);
  background: var(--black);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", Arial, sans-serif;
  letter-spacing: 0;
}

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

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

.pc-none {
  display: none;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 48px);
  color: var(--white);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(0, 0, 0, 0.86);
  border-bottom: 1px solid rgba(255, 121, 0, 0.35);
  backdrop-filter: blur(8px);
}

.brand {
  display: block;
  width: clamp(120px, 10vw, 150px);
  margin: 10px 0 0 10px;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 40px);
  font-size: 12px;
  font-weight: 800;
}

.global-nav a {
  position: relative;
  padding: 8px 0;
}

.global-nav a::after {
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 2px;
  content: "";
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.global-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 0;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 6px 0;
  background: var(--white);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.hero {
  min-height: clamp(620px, 100vh, 900px);
  overflow: hidden;
  background: var(--black);
}

.hero__video {
  inset: 0;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 761px) {
  .hero {
    min-height: 0;
  }

  .hero__video {
    position: relative;
    inset: auto;
    display: block;
    height: auto;
    object-fit: initial;
  }
}

.hero__sound {
  position: fixed;
  z-index: 60;
  right: clamp(16px, 3vw, 42px);
  bottom: clamp(16px, 3vw, 42px);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.56);
  color: var(--white);
  font: inherit;
  font-size: 11px;
  font-weight: 900;
  cursor: pointer;
  backdrop-filter: blur(5px);
}

.hero__sound i {
  width: 14px;
  font-size: 14px;
}

.page-bg {
  isolation: isolate;
  overflow: hidden;
  background-color: #edeae4;
  background-image: url("../img/bg.webp");
  background-repeat: repeat-y;
  background-position: top center;
  background-size: 100% auto;
  color: var(--ink);
}

.page-bg::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    url("../img/bg_b.webp"),
    url("../img/bg_color.webp"),
    url("../img/bg_b_2.webp");
  background-repeat: no-repeat, no-repeat, no-repeat;
  background-position:
    top center,
    center 2720px,
    center calc(100% + 520px);
  background-size:
    auto 2720px,
    auto 2200px,
    auto 1500px;
}

.section {
  z-index: 1;
  width: min(92vw, var(--max));
  margin: 0 auto;
}

:where(.hero, .page-bg, .section, .update-slider, .update-slider__viewport, .campaign-card, .campaign-method__visual, .campaign-card__ct, .campaign-card__picture img, .from-within-card, .topic-link, .interview) {
  position: relative;
}

:where(.hero__video, .update-slide, .update-arrow, .update-slider__count, .campaign-method__link, .campaign-card__ttl) {
  position: absolute;
}

:where(.site-header, .hero__video, .update-slide, .campaign__title, .campaign-card__ct, .campaign-card__picture img, .section-title--visual img, .section-title__visual img, .from-within, .interview__top, .interview__top img, .interview__photo, .closing.section) {
  width: 100%;
}

.campaign,
.from-within,
.section-title,
.closing.section {
  text-align: center;
}

.update-slider,
.campaign-rules,
.from-within,
.interview {
  color: #111;
}

.intro p,
.future__copy p,
.campaign-rules,
.from-within-card p,
.interview-profile p,
.interview-talk dd {
  font-weight: 700;
}

.future__copy p,
.update-slide__text p,
.section-title__lead,
.interview-profile p,
.interview-talk,
.interview-talk dt,
.interview-talk dd {
  margin: 0;
}

.update-slide__text p,
.interview-profile p,
.interview-topic h2,
.interview-talk dd,
.closing__copy h2,
.closing__copy p {
  overflow-wrap: anywhere;
}

.campaign-card--award,
.from-within-card,
.interview__title,
.update-arrow,
.closing__sns a {
  display: grid;
  place-items: center;
}

:where(.campaign__visual, .campaign-prizes, .campaign-rules, .campaign-card--c, .campaign-card--method, .campaign-card--more) {
  width: min(980px, 100%);
}

.intro {
  min-height: 520px;
  display: grid;
  justify-items: center;
  align-items: start;
  padding-top: clamp(70px, 9vw, 130px);
}

.intro__body {
  width: min(460px, 100%);
  color: var(--white);
  text-align: center;
}

.intro h1 {
  margin: 0 0 24px;
  color: var(--orange);
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.35;
  font-weight: 900;
}

.intro p {
  margin: 0 0 14px;
  color: var(--orange);
  font-size: clamp(13px, 1.35vw, 16px);
  line-height: 2;
}

.history {
  padding: 10px 0 66px;
}

.history__stage {
  position: relative;
  margin-inline: calc(50% - 50vw);
  padding: 34px 0 42px;
  overflow: hidden;
  background: #050505;
}

.history__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  cursor: grab;
  touch-action: pan-x pan-y;
  -webkit-overflow-scrolling: touch;
}

.history__viewport:active {
  cursor: grabbing;
}

.history__viewport::-webkit-scrollbar {
  display: none;
}

.history__image {
  width: max(1200px, 180vw);
  max-width: none;
  user-select: none;
  pointer-events: none;
}

.history__viewport picture {
  display: block;
  width: max-content;
}

.history__slider {
  position: relative;
  width: min(760px, 68vw);
  height: 24px;
  margin: 28px auto 0;
  touch-action: none;
  user-select: none;
}

.history__slider::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  content: "";
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-50%);
}

.history__thumb {
  position: absolute;
  top: 50%;
  left: 0;
  width: 18px;
  height: 18px;
  padding: 0;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 121, 0, 0.16);
  cursor: grab;
  transform: translate(-50%, -50%);
  touch-action: none;
  will-change: left;
}

.history__thumb:active {
  cursor: grabbing;
}

.future {
  padding: clamp(28px, 6vw, 82px) 0 clamp(70px, 9vw, 126px);
}

.future__banner {
  width: min(930px, 100%);
  margin: 0 auto 60px;
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.3);
}

@media (min-width: 761px) {
  .future__banner {
    width: min(1200px, 96vw);
    margin-inline: calc((100% - min(1200px, 96vw)) / 2);
  }
}

.future__copy {
  width: min(520px, 88%);
  margin: 0 auto 86px;
  color: var(--white);
  text-align: center;
}

.future__copy h2 {
  margin: 0 0 24px;
  font-size: clamp(23px, 3vw, 38px);
  line-height: 1.45;
}

.future__copy p {
  line-height: 2;
}

.update-slider {
  width: var(--update-slider-width);
  margin-inline: calc((100% - var(--update-slider-width)) / 2);
  --update-slider-height: 500px;
  --update-slider-width: min(1200px, 96vw);
  --update-pad-x: 86px;
  --update-gap: 70px;
  --update-image-w: 450px;
  --update-left-col: calc(100% - (var(--update-pad-x) * 2) - var(--update-gap) - var(--update-image-w));
  --update-control-center: calc(var(--update-pad-x) + (var(--update-left-col) / 2));
}

.update-slider__viewport {
  height: var(--update-slider-height);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 18px 24px 34px rgba(0, 0, 0, 0.2);
  touch-action: pan-y;
}

.update-slider__viewport::after {
  position: absolute;
  bottom: 126px;
  left: var(--update-pad-x);
  width: var(--update-left-col);
  height: 1px;
  content: "";
  background: #111;
}

.update-slide {
  inset: 0;
  display: grid;
  grid-template-columns: 1fr var(--update-image-w);
  gap: var(--update-gap);
  align-items: start;
  height: var(--update-slider-height);
  padding: 74px var(--update-pad-x) 126px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(18px);
  transition: opacity 0.34s ease, transform 0.34s ease, visibility 0.34s ease;
}

.update-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.update-slide__text img {
  width: auto;
  margin-bottom: clamp(40px, 5vw, 62px);
}

.update-slide:nth-child(1) .update-slide__text img {
  width: 176px;
}

.update-slide:nth-child(2) .update-slide__text img {
  width: 158px;
}

.update-slide:nth-child(3) .update-slide__text img {
  width: 288px;
}

.update-slide:nth-child(4) .update-slide__text img {
  width: 218px;
}

.update-slide:nth-child(5) .update-slide__text img {
  width: 133px;
}

.update-slide__text p {
  font-size: 14px;
  line-height: 2.15;
  font-weight: 900;
}

.update-slide__note {
  font-size: 0.78em;
}

.update-slide__image {
  width: var(--update-image-w);
  aspect-ratio: 901 / 501;
  object-fit: cover;
  align-self: center;
  justify-self: end;
}

.update-arrow {
  z-index: 3;
  bottom: clamp(46px, 5.5vw, 70px);
  width: 54px;
  height: 35px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  transition: transform 0.2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .update-arrow:hover {
    transform: translateY(-2px);
  }
}

.update-arrow img {
  width: 100%;
  max-width: 100%;
}

.update-arrow--prev {
  left: calc(var(--update-control-center) - 92px);
}

.update-arrow--next {
  left: calc(var(--update-control-center) + 38px);
}

.update-slider__count {
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.campaign {
  padding: clamp(70px, 11vw, 132px) 0 44px;
}

.campaign__heading {
  display: grid;
  justify-items: center;
  gap: 40px;
}

.campaign__logo {
  width: clamp(120px, 20vw, 230px);
}

.campaign__heading picture {
  width: min(760px, 100%);
}

.campaign__visual {
  margin: 18px auto 0;
  filter: drop-shadow(0 18px 28px rgba(0, 0, 0, 0.2));
}

.campaign-prizes {
  margin: 40px auto 0;
  display: grid;
  align-items: stretch;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 22px;
}

.campaign-card {
  background: #050505;
  border-radius:10px;
  color: var(--white);
}

.campaign-card--award {
  min-height: 190px;
}

.campaign-card--c,
.campaign-card--method,
.campaign-card--more {
  grid-column: 1 / -1;
  margin-inline: auto;
}

.campaign-card--c {
  min-height: 190px;
  display: grid;
  align-items: center;
}

.campaign-card--method {
  margin-top: 22px;
  padding: 54px 26px 46px;
}

.campaign-method__link {
  z-index: 3;
  left: 8%;
  width: 19%;
  height: 20%;
  border-radius: 8px;
}

.campaign-method__link:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
}

.campaign-method__link--instagram {
  top: 31%;
}

.campaign-method__link--x {
  top: 56%;
}

.campaign-card--more {
  margin-top: 26px;
  padding: 15px 36px 38px;
}

.campaign-card__picture {
  display: block;
}

.campaign-card__ct,
.campaign-card__picture img {
  z-index: 1;
  max-width: var(--campaign-ct-width, 100%);
  margin-inline: auto;
  transform: var(--campaign-ct-shift, none);
}

.campaign-card__ttl {
  z-index: 2;
  top: var(--campaign-ttl-top);
  left: var(--campaign-ttl-left);
  width: var(--campaign-ttl-width);
  transform: var(--campaign-ttl-shift, none);
}

.campaign-card__ttl--a { --campaign-ttl-top: -65px; --campaign-ttl-left: -32px; --campaign-ttl-width: 132px; }
.campaign-card__ttl--b { --campaign-ttl-top: -40px; --campaign-ttl-left: -24px; --campaign-ttl-width: 142px; }
.campaign-card__ttl--c { --campaign-ttl-top: -42px; --campaign-ttl-left: -30px; --campaign-ttl-width: 211px; }
.campaign-card__ttl--more { --campaign-ttl-top: -42px; --campaign-ttl-left: -24px; --campaign-ttl-width: 117px; }
.campaign-card__ct--a { --campaign-ct-width: 413px; }
.campaign-card__ct--b { --campaign-ct-width: 383px; }
.campaign-card__ct--c { --campaign-ct-width: 830px; --campaign-ct-shift: translate(150px, -15px); }
.campaign-card__ct--method { --campaign-ct-width: 942px; }
.campaign-card__ct--more { --campaign-ct-width: 922px; }

.campaign__more {
  filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.16));
}

.campaign-rules {
  margin: 22px auto 0;
  padding: 0 clamp(16px, 4vw, 42px) 18px;
  text-align: left;
  font-size: 12px;
}

.campaign-rules__title {
  margin: 0 0 8px;
  font-weight: 900;
}

.campaign-rules p {
  margin: 0 0 4px;
  line-height: 1.3;
}

.campaign-rules__note {
  font-size: 9px;
  line-height: 1.25;
}

.campaign-rules__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 18px;
  border-radius: 6px;
  background: #050505;
  color: var(--orange);
  font-weight: 900;
}

.from-within {
  padding: clamp(44px, 6vw, 82px) 0 clamp(76px, 9vw, 118px);
}

.section-title {
  width: min(620px, 90vw);
  margin: 0 auto clamp(34px, 4vw, 52px);
  --section-title-visual-width: min(510px, 84vw);
}

.section-title--visual,
.section-title__visual {
  width: var(--section-title-visual-width);
  display: block;
  line-height: 0;
}

.section-title--visual {
  margin-bottom: 20px;
}

.section-title--share {
  margin-bottom: -8px;
}

.section-title__visual {
  margin: 0 auto -46px;
}

.section-title__lead {
  font-size: clamp(11px, 1.15vw, 14px);
  line-height: 1.7;
  font-weight: 900;
}

.from-within__viewport {
  display: grid;
  gap: 14px;
  width: 100%;
  overflow: visible;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  outline: none;
}

.from-within__viewport:active {
  cursor: grabbing;
}

.from-within__viewport:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 6px;
}

.from-within__lane {
  display: flex;
  width: max-content;
  will-change: transform;
}

.from-within__lane:nth-child(2) {
  margin-left: 140px;
}

.from-within__group {
  display: flex;
  flex: none;
  gap: 14px;
  padding-right: 14px;
}

.from-within-card {
  flex: none;
  width: clamp(300px, 25vw, 360px);
  min-height: 170px;
  margin: 0;
  padding: 26px 28px 34px;
  border-radius: 34px;
  background: #424749;
  color: #fff;
  text-align: left;
}

.from-within-card::after {
  position: absolute;
  right: 24px;
  bottom: 16px;
  content: attr(data-name);
  font-size: 12px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
}

.from-within-card__mark {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 58px;
  height: 60px;
}

.from-within-card__mark img {
  position: absolute;
  inset: 0;
  width: 58px;
  height: auto;
  pointer-events: none;
}

.from-within-card__icon {
  position: absolute;
  top: 19px;
  left: 12px;
  width: 23px;
  height: 35px;
  color: var(--icon-color, #ee761c);
}

.from-within-card p {
  min-width: 0;
  width: auto;
  margin: 0 0 0 68px;
  font-size: clamp(10px, 0.88vw, 13px);
  line-height: 1.65;
  text-align: justify;
  overflow-wrap: anywhere;
}

.topics {
  padding: 24px 0 clamp(140px, 18vw, 250px);
}

.topics__grid {
  width: min(960px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 52px;
}

.topic-link {
  min-height: 150px;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 24px;
  padding: 24px 10px;
  border-bottom: 1px solid #231815;
  color: #231815;
  text-align: left;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.45;
  font-weight: 900;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.topic-link::after {
  width: 15px;
  height: 15px;
  content: "";
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.topic-link img {
  width: 76px;
  transition: filter 0.2s ease, transform 0.2s ease;
}

.topic-link:hover,
.topic-link:focus-visible {
  background: rgba(255, 121, 0, 0.07);
  color: var(--orange);
}

.topic-link:hover::after,
.topic-link:focus-visible::after {
  transform: translateX(5px) rotate(45deg);
}

.topic-link:hover img,
.topic-link:focus-visible img {
  filter: invert(54%) sepia(100%) saturate(3822%) hue-rotate(2deg) brightness(104%) contrast(103%);
  transform: translateY(-4px) rotate(-4deg);
}

.interview {
  z-index: 1;
  padding: 0 0 clamp(110px, 14vw, 190px);
}

.interview__title {
  min-height: 96px;
}

.interview__title img {
  grid-area: 1 / 1;
  width: 100%;
}

.interview__title:has(img:not([hidden])) .interview__title-fallback {
  display: none;
}

.interview__title-fallback {
  grid-area: 1 / 1;
  display: inline-block;
  padding: 26px 38px 22px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 121, 0, 0.95), rgba(255, 121, 0, 0.45) 35%, transparent 70%);
  color: #080808;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1;
  font-weight: 1000;
  letter-spacing: -0.06em;
}

.interview__body {
  width: min(92vw, 1040px);
}

.interview__body::before {
  position: absolute;
  z-index: -1;
  top: 250px;
  left: 50%;
  width: min(900px, 92vw);
  height: calc(100% - 150px);
  content: "";
  background: url("../img/interview_bg.webp") center top / 76% 100% no-repeat;
  transform: translateX(-50%);
  pointer-events: none;
}

.interview__top {
  display: block;
  margin-bottom: clamp(38px, 5vw, 64px);
}

.interview__top img {
  aspect-ratio: 2918 / 921;
  object-fit: cover;
}

.interview__profiles {
  display: none;
}

.interview__row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  margin-bottom: clamp(46px, 7vw, 90px);
}

.interview__copy {
  min-width: 0;
}

.interview-topic h2 {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  font-size: clamp(17px, 1.9vw, 24px);
  line-height: 1.5;
  font-weight: 900;
}

.interview-topic h2::before {
  flex: 0 0 42px;
  height: 2px;
  content: "";
  background: #111;
}

.interview-talk {
  display: grid;
  gap: 15px;
}

.interview-talk > div {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
}

.interview-talk dt {
  padding-top: 2px;
  font-size: 10px;
  line-height: 1.8;
  font-weight: 1000;
}

.interview-talk dd {
  min-width: 0;
  font-size: clamp(11px, 1.02vw, 13px);
  line-height: 1.9;
  text-align: justify;
}

.interview__photo {
  aspect-ratio: 1081 / 701;
  object-fit: cover;
}

.interview__coming-soon {
  display: block;
  width: min(calc(100vw - 32px), 1040px);
  aspect-ratio: 16 / 9;
  margin-top: clamp(10px, 3vw, 26px);
  margin-right: auto;
  margin-left: auto;
}

.interview__coming-soon iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.closing.section {
  width: 100%;
  max-width: none;
  margin-top: 0;
  padding: clamp(130px, 16vw, 220px) 0 58px;
  background:
    url("../img/bg_b_3.webp") center top / 100% auto no-repeat,
    linear-gradient(to bottom, transparent 0, transparent 8%, var(--black) 70%);
  color: var(--white);
}

.closing__inner {
  width: min(760px, 100%);
  margin: 0 auto;
}

.closing__copy {
  margin-bottom: 56px;
}

.closing__copy h2 {
  margin: 0 0 42px;
  font-size: clamp(25px, 3.6vw, 44px);
  line-height: 1.55;
  font-weight: 900;
}

.closing__copy p {
  margin: 0 0 28px;
  font-size: clamp(12px, 1.35vw, 16px);
  line-height: 2;
  font-weight: 900;
}

.closing__links,
.closing__sns {
  display: flex;
  justify-content: center;
  gap: 26px;
  margin-top: 22px;
}

.closing__links a {
  min-width: 110px;
  padding: 10px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
  font-size: 13px;
  font-weight: 800;
}

.closing__sns a {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
}

.closing__sns i {
  font-size: 18px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.intro__body.reveal {
  transform: translateX(56px);
}

.future__copy.reveal {
  transform: translateX(-56px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  width: 100%;
}

@media (max-width: 760px) {
  .pc-none {
    display: inline-block;
  }

  .sp-none {
    display: none;
  }

  .site-header {
    min-height: 56px;
    padding: 10px 16px;
  }

  .nav-toggle {
    display: block;
  }

  .global-nav {
    position: fixed;
    inset: 56px 0 auto;
    display: grid;
    gap: 0;
    padding: 10px 18px 18px;
    background: rgba(0, 0, 0, 0.92);
    border-bottom: 1px solid rgba(255, 121, 0, 0.32);
    transform: translateY(-120%);
    transition: transform 0.22s ease;
  }

  .global-nav.is-open {
    transform: translateY(0);
  }

  .global-nav a {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    aspect-ratio: 9 / 16;
  }

  .hero__video {
    object-position: center top;
  }

  .hero__sound {
    right: 14px;
    bottom: 14px;
    padding: 8px 11px;
    font-size: 10px;
  }


  .page-bg {
    color: var(--white);
  }

  .page-bg::before {
    display: block;
    background-image:
      url("../img/bg-b-sp.webp"),
      url("../img/bg-color-sp.webp"),
      url("../img/bg_b_2.webp");
    background-position:
      top center,
      center 2100px,
      center calc(100%);
    background-size:
      230% auto,
      155% auto,
      140% auto;
  }

  .section {
    width: min(91vw, 430px);
  }

  .intro {
    min-height: auto;
    justify-items: center;
    padding: 52px 0 72px;
  }

  .intro__body {
    text-align: center;
  }

  .intro p {
    font-size: 16px;
    line-height: 2;
  }

  .history {
    padding-bottom: 54px;
  }

  .history__stage {
    margin-inline: calc(50% - 50vw);
    padding: 0 0 20px;
  }

  .history__image {
    width: 1640px;
  }

  .history__slider {
    display: block;
    width: min(310px, 78vw);
    margin-top: 10px;
  }

  .history__thumb {
    width: 16px;
    height: 16px;
    border-width: 2px;
  }

  .future {
    padding-top: 26px;
  }

  .future__banner {
    margin-bottom: 46px;
  }

  .future__copy {
    width: 100%;
    margin: 0 0 54px;
    text-align: center;
  }

  .update-slider {
    --update-slider-height: 480px;
    --update-slider-width: 100vw;
    --update-control-center: 50%;
    --update-image-w: 100%;
  }

  .update-slider__viewport {
    height: var(--update-slider-height);
    box-shadow: 10px 16px 24px rgba(0, 0, 0, 0.22);
  }

  .update-slide {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 170px minmax(0, 1fr);
    align-content: start;
    align-items: start;
    gap: 12px;
    height: var(--update-slider-height);
    padding: 28px 42px 66px;
  }

  .update-slide__text {
    display: contents;
  }

  .update-slide__text img {
    grid-column: 1;
    grid-row: 1;
    margin: 0 0 6px;
  }

  .update-slide__text p {
    grid-column: 1;
    grid-row: 3;
    min-width: 0;
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    overflow-wrap: anywhere;
  }

  .update-slide__image {
    grid-column: 1;
    grid-row: 2;
    width: 100%;
    height: 170px;
    justify-self: start;
  }

  .update-slider__viewport::after {
    display: none;
  }

  .update-slide::after {
    position: absolute;
    right: 42px;
    bottom: 66px;
    left: 42px;
    height: 2px;
    content: "";
    background: #111;
  }

  .update-arrow {
    bottom: 24px;
    width: 54px;
    height: 35px;
    transform: none;
  }

  .update-arrow--prev {
    left: calc(var(--update-control-center) - 66px);
  }

  .update-arrow--next {
    left: calc(var(--update-control-center) + 12px);
    right: auto;
  }

  .campaign {
    padding-top: 80px;
  }

  .campaign__heading {
    margin-inline: calc(50% - 50vw);
    padding: 34px max(18px, calc((100vw - 430px) / 2)) 26px;
    gap:0px;
  }

  .campaign__visual {
    margin-top: 18px;
  }

  .campaign-prizes {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 20px;
  }

  .campaign-card--award {
    min-height: 160px;
    padding: 32px 18px 26px;
  }

  .campaign-card--c,
  .campaign-card--method,
  .campaign-card--more {
    grid-column: auto;
    width: 100%;
  }

  .campaign-card--c {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 42px 20px 28px;
  }

  .campaign-card--method {
    padding: 30px 18px;
  }

  .campaign-method__link {
    left: 12.5%;
    width: 66%;
    height: 4.5%;
  }

  .campaign-method__link--instagram {
    top: 12%;
  }

  .campaign-method__link--x {
    top: 17.2%;
  }

  .campaign-card--more {
    margin-top: 116px;
    padding: 24px 20px 28px;
  }

  .campaign-card__ttl--a { --campaign-ttl-top: -24px; --campaign-ttl-left: -18px; --campaign-ttl-width: 92px; }
  .campaign-card__ttl--b { --campaign-ttl-top: -18px; --campaign-ttl-left: -14px; --campaign-ttl-width: 100px; }
  .campaign-card__ttl--c { --campaign-ttl-top: -28px; --campaign-ttl-left: -14px; --campaign-ttl-width: 100px; }
  .campaign-card__ttl--more {
    --campaign-ttl-top: -112px;
    --campaign-ttl-left: 50%;
    --campaign-ttl-width: 118px;
    --campaign-ttl-shift: translateX(-50%);
  }

  .campaign-card__ct--a { --campaign-ct-width: 286px; }
  .campaign-card__ct--b { --campaign-ct-width: 270px; }
  .campaign-card__ct--c,
  .campaign-card__ct--method,
  .campaign-card__ct--more {
    --campaign-ct-width: 100%;
    --campaign-ct-shift: none;
  }

  .campaign-rules {
    padding-inline: 0;
  }

  .campaign-rules__link {
    border: 1px solid rgba(255, 121, 0, 0.55);
  }

  .from-within {
    padding: 42px 0 82px;
  }

  .section-title {
    --section-title-visual-width: min(330px, 88vw);
  }

  .section-title:not(.section-title--visual) {
    margin-bottom: 44px;
  }

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

  .section-title__lead {
    width: min(350px, 90vw);
    margin-inline: auto;
    font-size: 14px;
  }

  .from-within__viewport {
    gap: 12px;
  }

  .from-within__lane:nth-child(2) {
    margin-left: 112px;
  }

  .from-within__group {
    gap: 12px;
    padding-right: 12px;
  }

  .from-within-card {
    width: min(220px, 56vw);
    min-height: 218px;
    display: block;
    justify-items: start;
    align-content: start;
    padding: 18px 14px 32px;
    border-radius: 28px;
  }

  .from-within-card::after {
    right: 14px;
    bottom: 14px;
    font-size: 12px;
  }

  .from-within-card__mark {
    position: relative;
    justify-self: start;
    top: auto;
    left: auto;
    width: 58px;
    height: 62px;
    margin-right: auto;
    margin-bottom: 8px;
  }

  .from-within-card p {
    max-width: 100%;
    width: auto;
    margin-left: 0;
    font-size: 13px;
    line-height: 1.65;
  }

  .topics {
    padding-top: 8px;
  }

  .topics .section-title--visual {
    margin-bottom: 8px;
  }

  .topics__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .topic-link {
    width: min(340px, 100%);
    min-height: 116px;
    grid-template-columns: 64px minmax(0, 1fr) 16px;
    justify-self: center;
    align-items: center;
    gap: 16px;
    padding: 18px 4px;
    color: #231815;
    text-align: left;
    font-size: 16px;
  }

  .topic-link::after {
    width: 12px;
    height: 12px;
  }

  .topic-link img {
    width: 64px;
  }

  .interview {
    padding-bottom: 82px;
  }

  .interview__title {
    min-height: 74px;
  }

  .interview__title-fallback {
    padding: 20px 24px 18px;
    font-size: 34px;
  }

  .interview__body {
    width: min(86vw, 360px);
  }

  .interview__body::before {
    top: 180px;
    width: 120%;
    height: calc(100% - 100px);
    background-image: url("../img/interview_bg.webp");
    background-repeat: repeat-y;
    background-size: 100% auto;
  }

  .interview__top {
    margin: 0;
  }

  .interview__top img {
    aspect-ratio: auto;
  }

  .interview__profiles {
    display: grid;
    gap: 26px;
    margin: 0 0 42px;
    padding: 18px 0 8px;
  }

  .interview-profile img {
    width: 100%;
    margin-bottom: 8px;
  }

  .interview-profile p {
    font-size: 12px;
    line-height: 1.65;
  }

  .interview__row {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 0;
  }

  .interview__photo {
    grid-row: auto;
    margin: 42px 0 34px;
  }

  .interview-topic h2 {
    gap: 9px;
    margin-bottom: 20px;
    font-size: 18px;
  }

  .interview-topic h2::before {
    flex-basis: 30px;
  }

  .interview-talk {
    gap: 24px;
  }

  .interview-talk > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .interview-talk dt {
    padding-top: 0;
    font-size: 12px;
  }

  .interview-talk dd {
    font-size: 14px;
    line-height: 1.85;
  }

  .closing.section {
    padding: 90px 10px 48px;
    background-image:
      url("../img/bg_b_3_sp.webp"),
      linear-gradient(to bottom, transparent 0, transparent 8%, var(--black) 70%);
    background-size: 100% auto, 100% 100%;
    background-position: center top, center;
  }

  .closing__copy {
    margin-bottom: 44px;
  }

  .closing__copy h2 {
    margin-bottom: 32px;
    font-size: 22px;
  }

  .closing__copy p {
    margin-bottom: 24px;
    font-size: 12px;
    line-height: 1.9;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.campaign{
    position: relative;
}

.campaign::before{
    content: "第1弾終了";
    position: absolute;
    top: 58%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-12deg);
    color: #e60012;
    font-size: 110px;
    font-weight: 900;
    z-index: 100;
    pointer-events: none;
}

.campaign-prizes img,
.campaign__visual img,
.campaign__more img{
    filter: grayscale(100%) brightness(0.7);
}

@media (max-width: 760px) {
  .campaign::before{
    content: "第\A 一\A 弾\A 終\A 了";
    white-space: pre;

    position: absolute;
    top: 25%;
    left: 50%;
    transform: translateX(-50%);

    color: #e60012;
    font-size: 100px;
    font-weight: 900;
    line-height: 1.8;
    text-align: center;
    z-index: 999;

    text-shadow: 0 0 12px rgba(230, 0, 18, .4);
  }
}