:root {
  --bg: #f8f8f5;
  --surface: #ffffff;
  --surface-soft: #fff8cf;
  --ink: #181818;
  --muted: #686868;
  --line: #deded7;
  --accent: #ffd84a;
  --accent-strong: #f5c900;
  --success: #18794e;
  --success-bg: #e8f7ef;
  --warning: #8a5b00;
  --warning-bg: #fff4d7;
  --danger: #b42318;
  --danger-bg: #ffebe9;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.08);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}


/* =========================================================
   STST standard header / footer
   publishingFlow と同じサイト共通デザイン
========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(37, 37, 37, 0.95);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.site-header::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 5px;
  background: repeating-linear-gradient(
    -45deg,
    #ffcf21 0,
    #ffcf21 8px,
    #252525 8px,
    #252525 16px
  );
}

.site-header__inner {
  display: flex;
  width: min(1180px, calc(100% - 36px));
  min-height: 76px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo-link {
  display: inline-flex;
  align-items: center;
}

.site-logo {
  width: auto;
  height: 48px;
}

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

.site-nav a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 8px 13px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.site-nav a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateY(-1px);
}

.site-nav .site-nav__primary {
  background: #ffcf21;
  color: #252525;
}

.site-nav .site-nav__primary:hover {
  background: #ffdc59;
  color: #252525;
}

.site-footer {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #252525;
  color: rgba(255, 255, 255, 0.76);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 7px;
  background: repeating-linear-gradient(
    -45deg,
    #ffcf21 0,
    #ffcf21 10px,
    #111 10px,
    #111 20px
  );
}

.site-footer__inner {
  display: grid;
  width: min(1120px, calc(100% - 32px));
  min-height: 160px;
  margin: 0 auto;
  padding: 35px 0 26px;
  align-items: center;
  justify-items: center;
  gap: 15px;
  text-align: center;
}

.site-footer__logo-link {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 12px;
  background: #fff;
}

.site-footer__logo {
  width: auto;
  height: 38px;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
}

.site-footer__links a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: #ffcf21;
}

.site-footer p {
  margin: 0;
  font-size: 0.75rem;
}

@media (max-width: 760px) {
  .site-header__inner {
    width: min(100% - 24px, 1180px);
    min-height: 66px;
    gap: 12px;
  }

  .site-logo {
    height: 34px;
  }

  .site-nav {
    gap: 3px;
  }

  .site-nav a {
    min-height: 36px;
    padding: 7px 8px;
    font-size: 0.7rem;
  }

  .site-nav a:not(.site-nav__primary):first-child {
    display: none;
  }
}

@media (max-width: 430px) {
  .site-nav a:not(.site-nav__primary) {
    display: none;
  }

  .site-nav .site-nav__primary {
    padding-inline: 12px;
  }

  .site-footer__links {
    gap: 7px 13px;
  }
}

.campaign-hero {
  background: var(--surface);
}

.campaign-hero__image-wrap {
  width: 100%;
  background: #e9e9e3;
  overflow: hidden;
}

.campaign-hero__image {
  width: 100%;
  max-height: 100%;
  object-fit: cover;
}

.campaign-hero__content {
  width: min(100% - 40px, 980px);
  margin: 0 auto;
  padding: 66px 0 80px;
  text-align: center;
}

.campaign-eyebrow,
.section-eyebrow {
  margin: 0 0 12px;
  color: #7a6700;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.campaign-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5.5vw, 72px);
  line-height: 1.2;
  letter-spacing: -.035em;
}

.campaign-hero__lead {
  max-width: 760px;
  margin: 28px auto 0;
  color: #444;
  font-size: clamp(15px, 2vw, 18px);
}

.campaign-deadline {
  width: fit-content;
  max-width: 100%;
  margin: 34px auto 0;
  padding: 13px 20px;
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  background: #191919;
  color: #fff;
  border-radius: 999px;
}

.campaign-deadline span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.campaign-deadline strong {
  font-size: 15px;
}

.primary-cta,
.secondary-cta,
.campaign-apply-button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.primary-cta {
  margin-top: 30px;
  padding: 0 34px;
  background: var(--accent);
  color: var(--ink);
  box-shadow: 0 9px 22px rgba(245, 201, 0, .2);
}

.primary-cta:hover,
.secondary-cta:hover,
.campaign-apply-button:not(:disabled):hover {
  transform: translateY(-2px);
}

.campaign-hero__note {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.campaign-section {
  padding: 100px 20px;
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.section-inner--narrow {
  max-width: 900px;
}

.section-inner--entry {
  max-width: 980px;
}

.section-title {
  margin: 0;
  font-size: clamp(29px, 4vw, 48px);
  line-height: 1.3;
  letter-spacing: -.025em;
}

.section-description {
  margin: 18px 0 0;
  color: var(--muted);
}

.campaign-summary-section {
  background: var(--surface-soft);
}

.campaign-condition-list {
  margin-top: 42px;
  display: grid;
  gap: 1px;
  background: rgba(0, 0, 0, .1);
  border: 1px solid rgba(0, 0, 0, .1);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.campaign-condition {
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  background: #fffdf3;
}

.campaign-condition__number {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
  color: #8a7200;
}

.campaign-condition strong {
  font-size: 19px;
}

.campaign-condition p {
  margin: 5px 0 0;
  color: #5b5848;
}

.important-note {
  margin: 22px 0 0;
  padding: 18px 20px;
  background: #171717;
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.important-note strong {
  color: var(--accent);
}

.prize-section {
  background: var(--surface);
}

.prize-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.prize-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.prize-card--first {
  border: 2px solid #e5c33a;
  box-shadow: var(--shadow);
}

.prize-card__rank {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  min-width: 68px;
  height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.prize-card__rank span {
  color: var(--accent);
  font-size: 22px;
}

.prize-card__image-frame {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: 34px;
  background: #f3f3f0;
}

.prize-card__image-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.prize-card__body {
  padding: 25px 24px 28px;
}

.prize-card__maker {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.prize-card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
}

.prize-card__count {
  display: block;
  margin-top: 18px;
  font-size: 24px;
}

.flow-section {
  background: #1b1b1b;
  color: #fff;
}

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

.flow-list {
  margin: 46px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #404040;
}

.flow-item {
  padding: 32px 0;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid #404040;
}

.flow-item__number {
  color: var(--accent);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.flow-item h3 {
  margin: 0;
  font-size: 23px;
}

.flow-item p {
  margin: 9px 0 0;
  color: #c9c9c9;
}

.secondary-cta {
  margin-top: 18px;
  padding: 0 24px;
  background: var(--accent);
  color: #111;
}

.secondary-cta--dark {
  background: #fff;
}

.text-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 4px;
}

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

.entry-section .section-eyebrow {
  color: #5f5000;
}

.entry-panel {
  margin-top: 38px;
  padding: 30px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(73, 57, 0, .13);
}

.entry-status-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.entry-status-item {
  padding: 18px;
  background: #f7f7f4;
  border: 1px solid #e6e6e1;
  border-radius: var(--radius-md);
}

.entry-status-item > span {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.status-pill {
  width: fit-content;
  padding: 5px 10px;
  display: inline-flex;
  border-radius: 999px;
  font-size: 13px;
}

.status-pill--loading {
  background: #ecece8;
  color: #555;
}

.status-pill--ok {
  background: var(--success-bg);
  color: var(--success);
}

.status-pill--warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.status-pill--ng {
  background: var(--danger-bg);
  color: var(--danger);
}

.entry-action {
  padding-top: 28px;
  text-align: center;
}

.campaign-apply-button {
  width: min(100%, 560px);
  min-height: 64px;
  padding: 0 28px;
  background: #181818;
  color: #fff;
  font-size: 17px;
}

.campaign-apply-button:disabled {
  background: #b5b5b0;
  color: #efefec;
  cursor: not-allowed;
  box-shadow: none;
}

.campaign-apply-button.is-complete {
  background: var(--success);
}

.entry-message {
  margin: 14px auto 0;
  max-width: 680px;
  color: #555;
  font-size: 13px;
}

.login-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 800;
  text-underline-offset: 4px;
}

.entry-reminder {
  margin-top: 18px;
  padding: 21px 23px;
  border: 2px solid rgba(0, 0, 0, .7);
  border-radius: var(--radius-md);
}

.entry-reminder strong {
  font-size: 16px;
}

.entry-reminder p {
  margin: 6px 0 0;
  font-size: 13px;
}

.notes-section {
  background: #f0f0eb;
}

.notes-list {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #cfcfc8;
}

.notes-list li {
  position: relative;
  padding: 18px 0 18px 28px;
  border-bottom: 1px solid #cfcfc8;
}

.notes-list li::before {
  content: "※";
  position: absolute;
  left: 0;
  color: #777;
  font-weight: 800;
}

.faq-section {
  background: var(--surface);
}

.faq-list {
  margin-top: 38px;
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  padding: 23px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: transparent;
  border: 0;
  color: var(--ink);
  text-align: left;
  font-weight: 800;
  cursor: pointer;
}

.faq-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: #333;
  transform: translate(-50%, -50%);
  transition: transform .18s ease;
}

.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  padding: 0 42px 24px 4px;
  color: #555;
}

.faq-answer p {
  margin: 0;
}

@media (max-width: 900px) {
  .campaign-section {
    padding: 78px 18px;
  }

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

  .prize-card {
    display: grid;
    grid-template-columns: minmax(180px, 42%) minmax(0, 1fr);
  }

  .prize-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .entry-status-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .campaign-header {
    height: 62px;
    padding: 0 16px;
  }

  .campaign-header__brand-name {
    display: none;
  }

  .campaign-hero__content {
    width: min(100% - 32px, 980px);
    padding: 46px 0 58px;
  }

  .campaign-hero h1 {
    font-size: 34px;
  }

  .campaign-deadline {
    width: 100%;
    border-radius: 14px;
  }

  .campaign-section {
    padding: 64px 16px;
  }

  .campaign-condition {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 22px 20px;
  }

  .prize-card {
    display: block;
  }

  .prize-card__image-frame {
    padding: 26px;
  }

  .flow-item {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 10px;
  }

  .flow-item__number {
    font-size: 34px;
  }

  .flow-item h3 {
    font-size: 20px;
  }

  .entry-panel {
    padding: 20px;
    border-radius: 20px;
  }

  .campaign-apply-button {
    min-height: 58px;
    font-size: 15px;
  }

  .desktop-only {
    display: none;
  }
}