@charset "UTF-8";

/* トンボスマイルキャンペーン 2026 LP */
:root {
  --ink: #000000;
  --pink-deep: #DF5695;
  --orange: #FFAE50;
  --cyan: #5FD3D3;
  --blue: #41AAE4;
  --navy: #005EAD;
  --white: #ffffff;
  /* PC中央カラム幅（スマホは全幅） */
  --content-max: 430px;
  --fs-note: 12px;
  --fs-body: 16px;
  --font-sans: "kozuka-gothic-pr6n", "kozuka-gothic-pro", "Kozuka Gothic Pr6N", "Kozuka Gothic Pro", "小塚ゴシック", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.65;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }
p { margin: 0 0 0.75em; }
p:last-child { margin-bottom: 0; }
figure { margin: 0; }

/* 410px以上のみ改行（例: <br class="br-min410" />） */
.br-min410 {
  display: none;
}

@media (min-width: 410px) {
  .br-min410 {
    display: inline;
  }
  .prob-step__head {
    gap: 30px;
  }
}

.pc-side { display: none; }

.pc-shell {
  width: 100%;
  min-height: 100vh;
}

/* 中央コンテンツ（スマホは全幅／PC中央は --content-max） */
.page {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  background-color: transparent;
  padding-bottom: 0;
}

.lp-section {
  position: relative;
  scroll-margin-top: 12px;
  padding: 37px 30px 20px;
}

.main-visual { padding: 0; }
.main-visual img { width: 100%; 
  padding-top: 10px;}

.period {
  margin: 0;
  padding: 10px 16px 4px;
  display: flex;
  justify-content: center;
}

.period img {
  width: 100%;
  height: auto;
}

.sec-heading-img {
  margin: 0 0 12px;
  display: flex;
  justify-content: center;
}
.sec-heading-img img {
  height: 92px;
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 18px;
}

.nav-with-chars {
  display: grid;
  align-items: end;
  /* 狭い画面は183px、広がるにつれ最大450pxまで滑らかに可変 */
  grid-template-columns: auto clamp(179px, calc(179px + (100vw - 430px) * 0.792), 450px) auto;
  gap: 4px;
  grid-auto-flow: column;
  justify-content: center;
  padding-top: 15px;
  padding-bottom: 25px;
}

.nav-char {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  max-width: 115px;
}

.nav-char img {
  display: block;
  width: auto;
  height: 161px;
  max-width: 100%;
  object-fit: contain;
  object-position: bottom center;
}

.nav-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  padding: 5px 0 2px;
  border-radius: 10px;
  color: var(--white);
  line-height: 1.2;
  font-family: "toppan-bunkyu-midashi-gothic", "Toppan Bunkyu Midashi Gothic", "凸版文久見出しゴシック", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  text-align: center;
  justify-content: space-between;
  box-shadow: 0 4px 0 var(--nav-btn-shadow);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.nav-btn::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  margin: 0 auto 0.4em;
  border-style: solid;
  border-width: 0.7em 0.6em 0;
  border-color: var(--white) transparent transparent;
  opacity: 0.9;
}

.nav-btn:hover,
.nav-btn:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.05);
  outline: none;
}

.nav-btn--benefit {
  background: var(--orange);
  --nav-btn-shadow: color-mix(in srgb, var(--orange) 68%, #000);
  box-shadow: 4px 4px 0 var(--nav-btn-shadow);
}
.nav-btn--prizes {
  background: var(--pink-deep);
  --nav-btn-shadow: color-mix(in srgb, var(--pink-deep) 68%, #000);
  box-shadow: 4px 4px 0 var(--nav-btn-shadow);
}
.nav-btn--probability {
  background: var(--cyan);
  --nav-btn-shadow: color-mix(in srgb, var(--cyan) 68%, #000);
  box-shadow: 4px 4px 0 var(--nav-btn-shadow);
}
.nav-btn--howto {
  background: var(--blue);
  --nav-btn-shadow: color-mix(in srgb, var(--blue) 68%, #000);
  box-shadow: 4px 4px 0 var(--nav-btn-shadow);
}

.block__body {
  padding: 14px 12px 4px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.05);
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--ink);
}

.lead {
  margin: 0 0 0.6em;
  font-weight: 700;
  font-size: 30px;
  color: var(--ink);
  text-align: center;
  line-height: 1.5;
}

.lead--img {
  margin: 50px auto 0.8em;
  padding: 0 20px;
}

.lead--img img {
  display: block;
  width: min(100%, 340px);
  height: auto;
  margin: 0 auto;
}

.text-cyan {
  color: var(--cyan);
  font-size: 20px;
}

.text-sm {
  font-size: var(--fs-note);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.6;
  padding-left: 1em;
  text-indent: -1em;
  margin: 0;
}

.text-smc {
  width: fit-content;
  margin: 0 auto;
  font-size: var(--fs-note);
  font-weight: 400;
  padding-left: 1em;
  text-indent: -1em;
}

.text-md {
  font-size: 18px;
  font-weight: 500;
  text-align: center;
  margin: 0;
}

#receipt-notes {
  scroll-margin-top: 16px;
}

.text-smcm {
  width: fit-content;
  font-size: var(--fs-note);
  font-weight: 400;
  margin: 20px auto 0;
}

.text-center { text-align: center; }

.text-ok {
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  text-align: center;
}

.target-block {
  margin: 12px 0 4px;
  text-align: left;
}

.target-block .text-sm {
  text-align: left;
}

.target-block__text {
  margin: 0 0 0.75em;
  font-size: var(--fs-body);
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  line-height: 1.6;
}

.target-label {
  display: inline-block;
  margin: 0 0 8px;
  padding: 0px 5px;
  font-weight: 500;
  font-size: var(--fs-body);
  color: var(--ink);
  text-align: center;
  border: 2px solid var(--ink);
  line-height: 1.4;
}

.note {
  margin: 12px 0 0;
  font-size: var(--fs-note);
  font-weight: 500;
  color: var(--ink);
  text-align: center;
}

.visual-slot {
  margin: 0 auto;
  overflow: visible;
}

.visual-slot__img {
  width: 100%;
  height: auto;
  display: block;
}

.visual-slot--benefit .visual-slot__main {
  position: relative;
  width: calc(100% + 7px);
  max-width: none;
}

.visual-slot--benefit .visual-slot__deco {
  margin: 0 auto;
  text-align: center;
}

.visual-slot--benefit .visual-slot__deco img {
  width: min(92%, 360px);
  height: auto;
  margin: 0 auto;
}

.visual-slot--share {
  display: flex;
  justify-content: center;
}

.visual-slot--share img {
  width: 159px;
  height: auto;
}

.prize-ribbon {
  margin: 0 auto 10px;
  text-align: center;
}

.prize-ribbon img {
  width: min(92%, 340px);
  height: auto;
  padding: 20px 0;
  margin: 0 auto;
}

.prob-steps {
  list-style: none;
  margin: 30px auto 8px;
  padding: 0;
  display: grid;
  gap: 20px;
  max-width: 330px;
  justify-content: start;
}

.prob-step {
  display: flex;
    gap: 20px;
    margin: 0;
    padding: 0 10px;
    width: 100%;
    flex-direction: column;
}

.prob-step__head {
  display: grid;
  font-size: clamp(12px, 2vw, 14px);
  grid-template-columns: 93px auto;
  gap: 20px;
  margin-top: 30px;
  align-items: center;
  justify-content: start;
  text-align: left;
}

.prob-step__badge {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.prob-step__lead {
  text-align: center;
}

.prob-step__text,
.prob-step__lead {
  margin: 0;
  font-weight: 500;
  font-size: clamp(13px, 2vw, 16px);
  color: var(--ink);
  line-height: 1.5;
}

.prob-step .visual-slot {
  margin-top: 4px;
}

.prob-step .visual-slot--share {
  justify-content: flex-start;
}

.howto-receipt-period {
  display: flex;
  justify-content: center;
  margin: 12px auto 8px;
}

.howto-receipt-period img {
  width: min(78%, 280px);
  max-width: calc(100% - 70px);
  height: auto;
  margin: 0;
  padding-left: 70px;
  box-sizing: content-box;
}

.howto-receipt-dates {
  margin: 0 auto 10px;
  text-align: center;
  width: calc(100% + 10px);
  max-width: none;
  margin-left: -5px;
  margin-right: -5px;
}

.howto-receipt-dates img {
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.howto-receipt {
  margin: 8px auto 10px;
  text-align: center;
}

.howto-receipt img {
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.prize-cards {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.prize-card {
  position: relative;
  margin: 0;
}

.prize-card__head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 8px;
  min-width: 0;
  width: 100%;
}

.prize-card__badge {
  position: static;
  flex: 0 0 auto;
  width: 28%;
  max-width: 100px;
  height: auto;
}

.prize-card__title {
  display: block;
  flex: 1 1 0;
  min-width: 0;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0;
  object-fit: contain;
  object-position: left center;
}

.prize-card__art {
  width: 100%;
  height: auto;
}

.prize-card__art.art--b {
  margin-top: -27px;
}

.prize-thumb {
  display: grid;
  gap: 10px 12px;
  align-items: center;
  margin: 4px 0 12px;
  text-align: left;
  grid-auto-flow: column;
  justify-content: center;
}

.prize-thumb__badge {
  display: block;
  width: 85px;
  height: auto;
  margin: 0;
}

.prize-thumb__text {
  margin: 0;
  font-weight: 700;
  font-size: var(--fs-body);
  color: var(--ink);
  line-height: 1.5;
}

.care-book {
  margin-top: 20px;
  text-align: center;
}

.care-book__heading {
  margin-bottom: 10px;
}

.care-book__img {
  margin: 0 auto;
  width: min(92%, 360px);
  height: auto;
}

.howto-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: none;
  max-width: 500px;
    margin: 0 auto;
}

.howto-list > li {
  display: grid;
  gap: 10px;
  padding: 0 3px;
}

.howto-list__head {
  display: grid;
  font-size: clamp(13px, 2.5vw, 14px);
  grid-template-columns: 80px auto;
  gap: 10px 12px;
  margin-top: 30px;
  align-items: center;
  justify-content: start;
  text-align: left;
}

.howto-list__step {
  width: 100%;
  height: auto;
}

.howto-list__text--lg {
  font-size: clamp(18px, 2.5vw, 22px);
  letter-spacing: 2px;
}

.howto-list__figure {
  width: min(85%, 340px);
  height: auto;
  margin: 0 auto 10px;
}

.howto-list__figure img {
  margin-bottom: 5px;
}

.notes-list {
  margin: 0 0 12px;
  padding-left: 0;
  list-style: none;
}

.notes-list li {
  margin-bottom: 0;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
}

.copyright {
  margin: 16px 0 0;
  text-align: center;
  font-size: var(--fs-note);
  font-weight: 500;
  color: var(--ink);
}

.lp-actions {
  display: flex;
  justify-content: center;
  padding: 14px 4px 4px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-width: min(90%, 320px);
  padding: 15px 20px 15px 30px;
  border-radius: 999px;
  color: var(--white);
  font-weight: 600;
  font-size: 20px;
  text-decoration: none;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn::after {
  content: "";
  position: absolute;
  right: 1.15em;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 8px 14px;
  border-color: transparent transparent transparent var(--white);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.06);
  outline: none;
}

.btn--shop { background: var(--orange); }
.btn--x {
  background: #231815;
  font-size: clamp(16px, 2.5vw, 20px);
  gap: 0.55em;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.25);
}
.btn--x .btn__icon {
  width: 1.15em;
  height: 1.15em;
  border-radius: 3px;
}
.btn--entry {
  background: var(--blue);
  box-shadow: 4px 4px 0 #24739F;
  font-size: clamp(18px, 5vw, 24px);
  padding: 3px 20px;
  gap: 0.55em;
 }
.btn--contact {     
  background: var(--navy);
  width: 100%;
  font-size: clamp(16px, 4.5vw, 19px);
  font-weight: 500;
  padding: 15px 30px;
  margin-bottom: 20px;
  gap: 0.55em;
}


/* ========== スマホ背景帯 ========== */
.page-zone--visual {
  background-image: url("../img/sp/img_nav_bg.png");
  background-repeat: repeat;
  background-size: cover;
}

.page-zone--visual .main-visual,
.page-zone--visual .lp-nav {
  background: transparent;
}

.page-zone--yellow {
  background-color: #FFFA89;
  background-repeat: repeat;
  background-position: center top;
  background-size: 320px auto;
}

.page-zone--yellow .section-panel .block__body {
  background: transparent;
  box-shadow: none;
}

.page-zone--white {
  background-color: #ffffff;
  padding-bottom: 60px;
}

.contact-heading {
  margin: 0;
  text-align: center;
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.4;
}

.site-footer {
  padding-top: 8px;
  padding-bottom: 8px;
  text-align: center;
}

.site-footer__logo {
  margin: 0 0 8px;
}

.site-footer__logo img {
  width: min(42%, 160px);
  height: auto;
}

.site-footer__bar {
  margin: 0 0 6px;
}

.site-footer__bar img {
  width: min(55%, 200px);
  height: auto;
}

/* 768px未満の可変はベースの clamp に任せる（PCは183pxに戻す） */

@media (min-width: 768px) {
  html,
  body {
    height: 100%;
    overflow: hidden;
  }

  .nav-with-chars {
    grid-template-columns: auto 179px auto;
  }

  .pc-shell {
    position: fixed;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr var(--content-max) 1fr;
    background-image: url("../img/pc/img_side_bg.png");
    background-repeat: repeat;
    background-position: center top;
    background-size: cover;
  }

  .pc-side {
    display: block;
    height: 100%;
    overflow: hidden;
    min-height: 0;
  }

  .pc-side--left {
    justify-self: end;
    width: 100%;
    display: flex;
    flex-direction: column;
    container-type: size;
  }

  .pc-side--right {
    justify-self: start;
    width: 100%;
    max-width: 657px;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    height: 100%;
    min-height: 0;
    overflow: hidden;
    container-type: size;
    container-name: pc-side-right;
  }

  .pc-side__inner {
    position: sticky;
    top: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  /* 左サイド：画像幅に合わせ＋余白を付けて右寄せ、縦は画面内に収める */
  .pc-side--left .pc-side__inner {
    /* margin: 9% 10% 10% auto → 上下(9%+10%)はコンテナ幅基準で高さ予算から差し引く */
    --side-margin-y: calc(0.19 * 100cqi);
    --side-pad-l: 20px;
    position: static;
    flex: 0 0 auto;
    min-height: 0;
    height: auto;
    max-height: calc(100cqh - var(--side-margin-y));
    /* 画像幅 + padding-left。border-boxでも画像サイズは従来どおり */
    width: min(
      calc(600px + var(--side-pad-l)),
      calc((100cqh - var(--side-margin-y) - 12px) / 1.5404 + var(--side-pad-l))
    );
    max-width: calc(100cqi * 0.9); /* 右余白 10% 分を確保 */
    margin: 9% 10% 10% auto;
    padding-left: var(--side-pad-l);
    gap: 12px;
    box-sizing: border-box;
  }

  .pc-side__img { width: 100%; height: auto; }
  .pc-side__img--logo {
    max-width: 100%;
  }

  .pc-side--left .pc-side__img--logo,
  .pc-side--left .pc-side__img--visual {
    display: block;
    width: 100%;
    height: auto;
    flex: none;
    object-fit: contain;
    object-position: top center;
  }

  .pc-side-nav {
    position: relative;
    z-index: 1;
    /* 高さに余裕がないときは幅を絞り、ボタン（背景）全体を縮小（最小幅あり） */
    width: min(100%, max(249px, calc(100cqh * 0.7)));
    min-width: min(249px, 100%);
    max-width: 100%;
    container-type: inline-size;
  }

  .pc-side-nav ul {
    list-style: none;
    margin: 0;
    margin-top: 17%;
    margin-left: 12%;
    padding-right: 20px;
    padding-left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 7%;
    row-gap: 2.5cqi;
  }

  /* デザインの右向き矢印ナビ（画像） */
  .pc-side-nav a {
    display: block;
    min-width: 0;
    line-height: 0;
    text-decoration: none;
    transition: transform 0.15s ease, filter 0.15s ease;
  }

  .pc-side-nav a img {
    display: block;
    width: 100%;
    height: auto;
  }

  .pc-side-nav a:hover,
  .pc-side-nav a:focus-visible {
    transform: translateX(3px);
    filter: brightness(1.04);
    outline: none;
  }

  .pc-side__mascots {
    --mascot-gap: 20px;
    --mascot-pair-w: 438; /* 250 + 188 */
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: var(--mascot-gap);
    padding: 30px 30px 50px;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    container-type: size;
  }

  .pc-side__mascot {
    display: block;
    flex: none;
    min-width: 0;
    min-height: 0;
    /* 幅・高さの狭い方に合わせて同じ高さで縮小（gap込み） */
    height: min(
      317px,
      100cqh,
      calc((100cqi - var(--mascot-gap)) * 317 / var(--mascot-pair-w))
    );
  }

  .pc-side__mascot img {
    display: block;
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    object-position: bottom center;
  }

  /* サイド幅が狭いときナビを1列に（高さに合わせて縮小） */
  @container pc-side-right (max-width: 290px) {
    .pc-side-nav {
      --nav-rows: 10;
      --nav-gap: clamp(2px, 0.8cqh, 6px);
      /* マスコット用に余白を残し、10ボタンが縦に収まる幅へ可変 */
      --nav-budget: min(68cqh, calc(100cqh - 140px));
      --nav-item-h: calc(
        (var(--nav-budget) - (var(--nav-rows) - 1) * var(--nav-gap))
        / var(--nav-rows)
      );
      --nav-aspect: 2.55;
      width: min(100%, max(72px, calc(var(--nav-item-h) * var(--nav-aspect))));
      min-width: 0;
      max-width: 100%;
      margin-left: auto;
      margin-right: auto;
    }

    .pc-side-nav ul {
      grid-template-columns: 1fr;
      width: 100%;
      min-width: 0;
      margin-top: clamp(4px, 2cqh, 12px);
      margin-left: auto;
      margin-right: auto;
      padding-left: 0;
      padding-right: 0;
      padding-top: 0;
      column-gap: 0;
      row-gap: var(--nav-gap);
    }

    .pc-side-nav a {
      min-height: 0;
    }

    /* 1列時：2列時の左列 → 右列の順に並べる */
    .pc-side-nav li:nth-child(1) { order: 1; }  /* トップ */
    .pc-side-nav li:nth-child(3) { order: 2; }  /* 購入特典 */
    .pc-side-nav li:nth-child(5) { order: 3; }  /* 当選賞品 */
    .pc-side-nav li:nth-child(7) { order: 4; }  /* 当選確率UP */
    .pc-side-nav li:nth-child(9) { order: 5; }  /* 応募方法 */
    .pc-side-nav li:nth-child(2) { order: 6; }  /* 応募規約 */
    .pc-side-nav li:nth-child(4) { order: 7; }  /* キャンペーン実施店舗 */
    .pc-side-nav li:nth-child(6) { order: 8; }  /* 公式オンラインモール */
    .pc-side-nav li:nth-child(8) { order: 9; }  /* お問い合わせ */
    .pc-side-nav li:nth-child(10) { order: 10; } /* プロフィール */

    .pc-side__mascots {
      --mascot-gap: 0px;
      padding: 8px 10px 16px;
      max-height: 100%;
      width: 100%;
      max-width: 100%;
    }

    .pc-side__mascot {
      height: min(
        317px,
        100cqh,
        calc(100cqi * 317 / var(--mascot-pair-w))
      );
    }
  }

  /* 中央は中身のスタイル共通。幅は --content-max、シェル用スクロールのみ追加 */
  .page {
    max-width: var(--content-max);
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* 応募規約 */
.block__body--rules {
  padding: 10px 15px 14px;
  background: #ffffff;
  border-radius: 16px;
}

.notes-list li,.rules-body,.rules-body__heading{
  font-size: clamp(12px, 2vw, 14px);
}

.rules-body {
  max-height: 420px;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: 1.5px;
  text-align: justify;
}

.rules-body p {
  margin: 0 0 40px;
}

.rules-body a {
  color: var(--navy);
  text-decoration: underline;
}

.rules-body__heading {
  margin: 0;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}

.rules-body__heading:first-of-type {
  margin-top: 1em;
}

.rules-body .notes-list {
  margin: 0 0 40px;
  padding: 0;
}

.rules-body .notes-list--lead {
  margin-top: 1.5em;
}

.rules-body .notes-list--gap-after-first > li:first-child {
  margin-bottom: 1.5em;
}

.rules-body .notes-list--nested {
  margin: 0.35em 0 0;
  padding-left: 1em;
}

.rules-body .text-sm {
  margin-bottom: 0.85em;
}

/* 購入特典〜応募方法：メインカラー枠＋白角丸パネル */
.section-panel {
  background: #ffffff;
  border: 3px solid var(--navy);
  border-radius: 20px;
  padding: 14px 12px 16px;
}

.section-panel .sec-heading-img {
  margin: 0 0 12px;
}

.section-panel .block__body {
  background: transparent;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
}

.section-panel .lp-actions {
  padding: 41.5px 20px 30px;
}

.section-panel--benefit { border-color: var(--orange); }
.section-panel--prizes { border-color: var(--pink-deep); }
.section-panel--probability { border-color: var(--cyan); }
.section-panel--howto { border-color: var(--blue); }

.page-zone--yellow .section-panel .block__body {
  background: transparent;
}

/* バナー */
.banners {
  padding-top: 8px;
  padding-bottom: 30px;
}

.banner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

.banner-list a {
  display: block;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.banner-list a:hover,
.banner-list a:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.06);
  outline: none;
}

.banner-list img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.rules-heading {
  margin: 0;
}

.rules-heading img {
  width: 195px;
  margin: 0 auto;
}

/* トップへ戻る（#page-top 内の右下に追従） */
.to-top {
  position: fixed;
  z-index: 100;
  width: 49px;
  height: 49px;
  border-radius: 50%;
  background: #17507A;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, filter 0.15s ease;
}

.to-top::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 13px 20px;
  border-color: transparent transparent var(--white);
  transform: translate(-50%, calc(-50% - 3px));
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.to-top:hover,
.to-top:focus-visible {
  filter: brightness(1.08);
  outline: none;
}