/* CSS Document */

/**********************************************************
* CSS表記
**********************************************************/
:root {
  --black: #444444;
  --red: #e72410;
  --red-dark: #b32313;
  --pink-bg: #fdeae6;
  --font-ja-sans: "Noto Sans JP", sans-serif;
  --font-ja-serif: YakuHanMP, "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", YuMincho, serif;
  --width-header: min(100% - 20px, 1000px);
  --width-M: min(100% - 40px, 960px);
  --width-S: min(100% - 40px, 720px);
}
body {
  color: var(--black); font-family: var(--font-ja-sans);
  -webkit-font-feature-settings: "palt";
  -moz-font-feature-settings: "palt";
  font-feature-settings: "palt"; 
}
main{overflow: clip; font-size: 1rem; line-height: 2;}
@media (width <= 768px) {
  main{font-size: 0.875rem;}
}
img {pointer-events: none;}

/******　PC、スマホ・タブレット オンリー仕様　******/
@media (width <= 768px) {.pc_only {display: none;}}
@media not all and (width <= 768px) {.sp_only {display: none;}}

/**********************************************************
* メイン
**********************************************************/

.header {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  width: var(--width-header);
  line-height: 1;
  margin: 0 auto;
  padding-top: 40px;
  margin-bottom: clamp(40px, 11.71875vw, 90px);
}
.header_logo {
  display: inline-block;
}
.header_logo img {
  width: clamp(240px, 36.458vw, 280px);
}
.header_txt {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: clamp(9px, 1.1719vw, 12px);
  line-height: 1;
}
.header_txt .ad {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.header_txt .sponsored {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

@media (width <= 768px) {
  .header {
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 10px;
  }
  .header_txt {
    align-items: flex-start;
  }
}

/**********************************************************
* ファーストビュー
**********************************************************/
.fv {
  width: var(--width-M);
  margin: clamp(24px, 5.2vw, 50px) auto 0;
}
.fv__visual {
  position: relative;
}
.fv__visual::before {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  display: block;
  width: 100vw;
  height: 5px;
  background-color: var(--red);
  transform: translate(-50%, -50%);
  content: "";
}
.fv__visual > img {
  width: 100%;
  aspect-ratio: 960 / 522;
  object-fit: cover;
  border-radius: clamp(15px, 2.8125vw, 30px);
}
.fv__title {
  font-weight: 500;
  font-size: clamp(1.875rem, 6.51042vw, 3.125rem);
  line-height: 1.4;
  letter-spacing: 0.04em;
  word-break: keep-all;
  overflow-wrap: break-word;
  margin-top: clamp(36px, 6.7708vw, 52px);
}
.fv__title-accent {
  color: var(--red);
}
.fv__lead {
  width: 100%;
  letter-spacing: 0.05em;
  text-align: justify;
  margin-top: clamp(20px, 5.8594vw, 45px);
}

@media (width <= 768px) {
  .fv {
    margin-top: 20px;
  }
}

/**********************************************************
* 採録セクション（プレゼンテーション／講演 共通）
**********************************************************/
/* 採録セクションのセクション枠 */
.report {
  width: var(--width-S);
  margin: clamp(64px, 11vw, 110px) auto 0;
}
.report__label {
  display: inline-block;
  width: 120px;
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.1em;
  line-height: 1;
  background-color: var(--red);
  border-radius: 3px;
  padding: 7px 0px;
}
.report__title {
  font-family: var(--font-ja-serif);
  font-weight: 600;
  font-size: clamp(1.5rem, 5.2083vw, 2.5rem);
  line-height: 1.35;
  margin-top: 20px;
}
/* 著者名と、その下の赤いルール */
.report__author {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.04em;
  border-bottom: 3px solid var(--red);
  margin-top: 20px;
  padding-bottom: clamp(30px, 5.2083vw, 40px);
}
.report__author-suffix {
  font-size: 0.75rem;
  margin-left: 2px;
}
.report__author-affil {
  display: block;
  font-size: 0.625rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-top: 12px;
}
/* 図版（採録セクション） */
.report__figure {
  margin-top: clamp(30px, 5.2083vw, 40px);
}
.report__figure img {
  width: 100%;
  aspect-ratio: 720 / 441;
  object-fit: cover;
  border-radius: clamp(15px, 2.8125vw, 30px);
}
.report__body {
  font-family: var(--font-ja-serif);
  text-align: justify;
  margin-top: 30px;
}
/* 脚注。serif の .report__body 内にあるため sans を明示指定 */
.report__note {
  font-family: var(--font-ja-sans);
  font-size: 0.625rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-top: 20px;
}
.update__note {
  font-family: var(--font-ja-sans);
  font-size: 0.625rem;
  line-height: 1;
  letter-spacing: 0.02em;
  margin-top: 30px;
  text-align: right;
}
.report__graphic {
  margin-top: clamp(30px, 5.2083vw, 40px);
}
/* ブラウザ幅が狭く図表が収まらない場合は横スクロール（ScrollHint） */
.report__graphic-scroll {
  overflow-x: auto;
}
.report__graphic img {
  display: block;
  width: 100%;
  min-width: 680px;
  height: auto;
}

.report__heading {
  font-size: clamp(1.5625rem, 3.64583vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.5;
  word-break: keep-all;
  overflow-wrap: break-word;
  margin-top: 30px;
}

/**********************************************************
* コンテスト応募要項
**********************************************************/
.contest {
  margin-top: clamp(64px, 11vw, 110px);
}
.contest__inner {
  position: relative;
  width: var(--width-S);
  margin: 0 auto;
  padding-top: clamp(70px, 15.625vw, 120px);
  padding-bottom: clamp(70px, 19.53125vw, 150px);
}
.contest__background {
  position: absolute;
  top: 0;
  left: -140px;
  z-index: -1;
  width: 100vw;
  height: 100%;
  background-color: var(--pink-bg);
  border-radius: 100px 0 0 100px;
}
/* 1000px 以下：装飾用の擬似背景をやめ、.contest 全体を全幅のピンク背景にする
   （下の 720px 指定にもこの background-color / display:none が適用される） */
@media (width <= 1000px) {
  .contest {
    background-color: var(--pink-bg);
  }
  .contest__background {
    display: none;
  }
}
/* 720px 以下：上の指定との差分（余白）のみ記載 */
@media (width <= 720px) {
  .contest {
    margin-top: clamp(60px, 16vw, 90px);
  }
}
.contest__title {
  font-weight: 700;
  font-size: 1.625rem;
  letter-spacing: 0.05em;
  line-height: 1.23;
  word-break: keep-all;
  overflow-wrap: break-word;
  margin-top: 0;
}
.contest__title span {
  display: inline-block;
}
.contest__theme {
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: 0.15em;
  margin-top: 20px;
}
.contest__recruit {
  display: block;
  width: 100%;
  color: #fff;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  text-align: center;
  text-indent: 0.2em;
  line-height: 1;
  background-color: var(--red);
  border-radius: 999px;
  margin-top: clamp(30px, 5.2083vw, 40px);
  padding: 12px 0;
}
.contest__intro {
  letter-spacing: 0.05em;
  text-align: justify;
  margin-top: clamp(30px, 5.2083vw, 40px);
}

/* 2部門 */
.contest__divisions {
  display: flex;
  flex-direction: row;
  gap: 70px 80px;
  margin-top: clamp(36px, 5vw, 52px);
}
.division {
  flex: 1 1 0;
  min-width: 0;
}
/* 部門見出し・入賞発表見出しの罫線（共通） */
.division__title,
.contest__prize-title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: 0.1em;
  text-align: center;
  border-bottom: 1px solid var(--black);
  padding-bottom: 20px;
  margin-bottom: 30px;
}
.division__judge {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.division__photo img {
  width: 120px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}
.division__badge {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  line-height: 1;
  border: 1px solid var(--black);
  margin-top: 26px;
  padding: 4px 7px;
}
.division__name {
  font-weight: 500;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  line-height: 1;
  margin-top: 12px;
}
.division__name span {
  font-size: 0.75rem;
  margin-left: 2px;
}
.division__job {
  font-size: 0.625rem;
  font-weight: 500;
  line-height: 1;
  margin-top: 10px;
}
.division__desc {
  font-weight: 400;
  font-size: 0.875rem;
  line-height: 1.7;
  text-align: justify;
  margin-top: 22px;
}
.division__sample {
  width: 280px;
  margin: 30px auto 0;
}
.division__sample img {
  width: 100%;
}
.division__sample figcaption {
  font-size: 0.625rem;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  letter-spacing: 0.05em;
  margin-top: 20px;
}

/* 入賞作品の発表と賞品 */
.contest__prize {
  margin-top: clamp(70px, 13.02083vw, 100px);
}
/* .contest__prize-title は .division__title と共通化（上部参照） */
.contest__prize-note {
  font-weight: 400;
  font-size: 0.875rem;
  line-height: 1.7142;
  text-align: center;
  letter-spacing: 0.05em;
}
.contest__prize-note strong {
  font-weight: 700;
}
.prize {
  overflow: hidden;
  border-radius: 15px;
  border: 1px solid #ebe3db;
  margin-top: 40px;
}
.prize__item {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ebe3db;
  padding: 15px;
}
.prize__item:last-child {
  border-bottom: none;
}
.prize__rank-target {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.prize__item--gold {
  background-color: #fff5d2;
}
.prize__item--silver {
  background-color: #f9f9f9;
}
.prize__item--bronze {
  background-color: #ffffff;
}
.prize__rank {
  flex-shrink: 0;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  border-radius: 999px;
  padding: 8px 12px;
}
.prize__item--gold .prize__rank {
  color: #6a5a00;
  background-color: #f5e060;
}
.prize__item--silver .prize__rank {
  color: #666666;
  background-color: #cecece;
}
.prize__item--bronze .prize__rank {
  color: #5a3a10;
  background-color: #e0c8a0;
}
.prize__target {
  font-size: 0.75rem;
  font-weight: 500;
  color: #666666;
}
.prize__amount {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #666666;
}
.prize__amount strong {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--red);
}

/* 応募ボックス */
.contest__entry {
  text-align: center;
  background-color: #fff;
  border: 1px solid var(--red);
  border-radius: 16px;
  margin-top: 70px;
  padding: 35px 20px;
}
.contest__deadline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 700;
  font-size: clamp(1rem, 1.7vw, 1.125rem);
  letter-spacing: 0.04em;
}
.contest__deadline-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  color: #fff;
  background-color: var(--red);
  border-radius: 5px;
  padding: 7px 13px;
}
.contest__button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: min(100%, 400px);
  color: #fff;
  font-weight: 700;
  font-size: clamp(0.875rem, 2.083vw, 1rem);
  line-height: 1.25;
  letter-spacing: 0.05em;
  background-color: var(--red);
  border-radius: 9999px;
  box-shadow: 0 5px 0 var(--red-dark);
  margin: 26px auto 0;
  padding: 22px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  word-break: keep-all;
  overflow-wrap: break-word;
}
/* reset.css の a:hover{font:inherit;color:inherit}（詳細度0,1,1）に
   負けて色・太さ・サイズが継承値へ戻るため、ホバーでも明示再指定する */
.contest__button:hover {
  color: #fff;
  font-weight: 700;
  font-size: clamp(0.875rem, 2.083vw, 1rem);
  line-height: 1.25;
  box-shadow: none;
  transform: translateY(5px);
}
.contest__button::after {
  display: inline-block;
  width: 16px;
  aspect-ratio: 1;
  background-image: url("/adv/brainhealth202606/img/arrow_form.svg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  content: "";
}
/* 募集終了：リンク無効・シャドーなし・グレーアウト */
.contest__button--disabled {
  background-color: #b3b3b3;
  box-shadow: none;
  cursor: default;
  pointer-events: none;
}
.contest__button--disabled::after {
  display: none;
}

/* 応募資格 */
.contest__qualification {
  margin-top: 50px;
}
.contest__qualification-title {
  font-weight: 700;
  font-size: 0.875rem;
  line-height: 1;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--black);
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.contest__qualification-list {
  font-weight: 400;
  font-size: 0.875rem;
  line-height: 1.7142;
  text-align: justify;
  padding-left: 1.2em;
  list-style: decimal;
}
.contest__qualification-list li + li {
  margin-top: 14px;
}
@media (width <= 768px) {
  .contest__divisions {
    flex-direction: column;
  }
}
/**********************************************************
* スポンサー・ロゴ
**********************************************************/
.sponsor {
  width: var(--width-M);
  margin: 0 auto;
  padding: clamp(50px, 9.114583vw, 70px) 0;
}
.sponsor__logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.sponsor__logo img {
  width: clamp(280px, 46.875vw, 360px);
}