/* Built: 2026/3/12 15:13:02 */
/* ========================================
   styles.css - 全ページのベースとなるファイル
   ======================================== */

/* 1. 順序が大事なもの（手動） */

/**********
** variables
***********************************/

:root {
  /* ------------------------------------------------
     1. 変数定義 (基本設定)
     ------------------------------------------------ */
  /* 基準となるフォントサイズ */
  --base-fs: 16;

  /* インナー幅と余白 */
  --inner-width: 1480;
  --inner-width-min: 390;
  --padding-pc: 25;
  --padding-sp: 20;

  /* ------------------------------------------------
     2. 変数定義 (基本設定)
     ------------------------------------------------ */
  /* カラー */
  --black: #000;
  --white: #fff;

  /* ブルー */
  --blue-100: #e2efff;
  --blue-300: #00c0fa;
  --blue-500: #1161bc;
  --blue-600: #01449b;
  --blue-700: #06346f;
  --blue-800: #002d61;

  /* グレー */
  --gray-200: #f6f6f6;
  --gray-300: #cccccc;
  --gray-400: #ededed;
  --gray-500: #999999;

  /* イエロー */
  --yellow-500: #ffd113;

  /* ピンク */
  --pink-300: #ea708e;
  --pink-400: #ea708e;
  --pink-500: #e94961;
  --pink-700: #d14257;

  /* オレンジ */
  --orange-300: #fbe2d0;
  --orange-500: #ee7357;

  /* グラデーション */
  --gradient-pink: linear-gradient(to right,
    transparent,
    color-mix(in srgb, var(--orange-500) 60%, transparent) 50%,
    color-mix(in srgb, var(--yellow-500) 60%, transparent) 100%
  );

  /* テキストシャドウ */
  --text-shadow: 0 0 calc(20 * var(--r)) color-mix(in srgb, var(--pink-500) 100%, transparent);

  /* フォント */

  /* メイン（ゴシック体）: 日本語はNoto Sans */
  --font-main: "Noto Sans JP", sans-serif;

  /* 日本語はNoto Serif */
  --font-serif: "Noto Serif JP", serif;

  /* 英語アクセント（見出し等） */
  --font-en: "Paytone One", sans-serif;

  --fs-xs: clamp(
    calc(12 * var(--r)),
    calc(12 * var(--r)) + ((14 - 12) * var(--fluid-rate)),
    calc(14 * var(--r))
  );

  --fs-sm: clamp(
    calc(12 * var(--r)),
    calc(12 * var(--r)) + ((16 - 12) * var(--fluid-rate)),
    calc(16 * var(--r))
  );

  --fs-base: clamp(
    calc(14 * var(--r)),
    calc(14 * var(--r)) + ((16 - 14) * var(--fluid-rate)),
    calc(16 * var(--r))
  );

  --fs-md: clamp(
    calc(16 * var(--r)),
    calc(16 * var(--r)) + ((18 - 16) * var(--fluid-rate)),
    calc(18 * var(--r))
  );

  --fs-lg: clamp(
    calc(16 * var(--r)),
    calc(16 * var(--r)) + ((20 - 16) * var(--fluid-rate)),
    calc(20 * var(--r))
  );

  /* ------------------------------------------------
     3. レスポンシブ可変範囲の設定
     ------------------------------------------------ */
  /* 画面幅がここから... */
  --vp-min: var(--inner-width-min);
  /* ここまで広がる間に、値を滑らかに変化させる */
  --vp-max: var(--inner-width);


  /* ------------------------------------------------
     4. 計算用係数・ロジック
     ------------------------------------------------ */
  /* rem変換係数 (1px = 0.0625rem) */
  --r: calc(1rem / var(--base-fs));

  /* vw変換係数 (従来の使い方用) */
  --v: calc(100vw / var(--vp-max));

  /* 進捗率 (Fluid Rate): 0 〜 1 で推移する係数 */
  --fluid-rate: calc(
    (100vw - (var(--vp-min) * 1px)) / (var(--vp-max) - var(--vp-min))
  );
}

html {
  /* 固定ヘッダー分のオフセット（アンカーリンク遷移時にタイトルが隠れないよう） */
  scroll-padding-top: calc(120 * var(--r));

  /* ------------------------------------------------
     5. デフォルト設定 (376px ~ 767px)
     ------------------------------------------------ */
  font-size: 100%; /* 一般的に16px */


  /* ------------------------------------------------
     6. スマホ用 (~ 375px)
     ロジック: vw(375, 16)
     ------------------------------------------------ */
}

@media (max-width: 390px) {

html {
    /* 16 / 375 * 100vw */
    font-size: calc(var(--base-fs) / var(--inner-width-min) * 100vw);
}
  }

/* ------------------------------------------------
     7. PC可変エリア (768px ~ インナー幅限界)
     ロジック: vw($breakpointInner, 16)
     ------------------------------------------------ */

/* 【重要】
     ここの 1040px (1000 + 20*2) だけは手計算して記述する必要があります。
  */

@media (min-width: 768px) and (max-width: 1530px) {

html {
    /* 計算式: 16 / (インナー幅 + 余白*2) * 100vw
       変数はプロパティ値の中なら使えるので、計算式は維持できます。
    */
    font-size: calc(var(--base-fs) / (var(--inner-width) + var(--padding-pc) * 2) * 100vw);
}
  }

/* ------------------------------------------------
     8. PC固定エリア (インナー幅限界 ~)
     ------------------------------------------------ */

/* ここも数値は手書きする必要があります */

@media (min-width: 1531px) {

html {
    font-size: 100%;
}
  }

/**********
** reset
***********************************/

/* Box sizing rules */

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

/* Remove default margin */

:where(body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol, li) {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */

/* In Safari, using `list-style: none` prevents screen readers from announcing lists. */

/* `list-style-type: ""` is used to hide markers without affecting accessibility. */

:where(ul, ol, menu) {
  list-style-type: "";
  padding: 0;
}

/* Set core root defaults */

:where(:root) {
  /* Prevents layout shift caused by the appearance or disappearance of the scrollbar. */
  scrollbar-gutter: stable;
}

/* Set core body defaults */

:where(body) {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
   -ms-text-size-adjust: 100%;
       text-size-adjust: 100%;
  overflow-wrap: anywhere;
}

/* Japanese typography optimization (only for Japanese pages) */

:where(:root:lang(ja)) {
  /* Remove space when punctuation marks are adjacent, and also remove leading spaces in a line. */
  text-spacing-trim: trim-start;

  /* Improves readability by inserting a small space between Japanese and alphanumeric characters. */
  text-autospace: normal;

  /* Prevents misreading by applying strict line-breaking rules. */
  line-break: strict;
}

/* A elements that don't have a class get default styles */

:where(a:not([class])) {
  -webkit-text-decoration-skip: ink;
          text-decoration-skip-ink: auto;
}

:where(a) {
  text-decoration: none;
  color: inherit;
}

/* Make images easier to work with */

:where(img, picture) {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */

::-webkit-file-upload-button {
  font: inherit;
  /* These elements are often styled with a border, so a `1px` border is applied by default for consistency. */
  border-width: 1px;
  border-style: solid;
  /* Use transparent instead of none to account for forced color modes. */
  border-color: transparent;
  border-radius: unset;
  color: unset;
  letter-spacing: unset;
  text-align: unset;
}

:where(input, button, textarea, select),
::file-selector-button {
  font: inherit;
  /* These elements are often styled with a border, so a `1px` border is applied by default for consistency. */
  border-width: 1px;
  border-style: solid;
  /* Use transparent instead of none to account for forced color modes. */
  border-color: transparent;
  border-radius: unset;
  color: unset;
  letter-spacing: unset;
  text-align: unset;
}

::-webkit-file-upload-button {
  padding: 0;
  background-color: initial;
}

:where(button),
::file-selector-button {
  padding: 0;
  background-color: initial;
}

/* On iOS, double-tapping a button can cause zooming, which harms usability. */

::-webkit-file-upload-button {
  touch-action: manipulation;
}

:where(
    button,
    input:is([type="button" i], [type="submit" i], [type="reset" i]),
    [role="tab" i],
    [role="button" i],
    [role="option" i]
  ),
::file-selector-button {
  -ms-touch-action: manipulation;
      touch-action: manipulation;
}

/* Adjusts user agent (UA) styles for h1 elements within sectioning content. */

:where(h1) {
  font-size: 2em;
}

/* Prevents the last line of text from ending with a single word, which can look awkward. */

:where(h1, h2, h3, h4, h5, h6) {
  text-wrap: pretty;
}

/* Since `text-spacing-trim` can affect spacing in `<pre>` elements, ensure consistent alignment. */

:where(pre) {
  text-spacing-trim: space-all;
}

/* Set to `no-autospace` because date notations in typography do not include spaces. */

:where(time:lang(ja)) {
  text-autospace: no-autospace;
}

/* Set to `no-autospace` because `text-autospace` can insert spaces during input. */

:where(
    input:not([type="button" i], [type="submit" i], [type="reset" i]),
    textarea,
    [contenteditable]
  ) {
  text-autospace: no-autospace;
}

:where(pre:lang(ja)) {
  text-autospace: no-autospace;
}

/* In Japanese, emphasis is commonly represented by bold text. */

:where(em:lang(ja)) {
  font-weight: bolder;
}

/* Italic style is not common in Japanese, so the `font-style` is reset. */

:where(:is(i, cite, em, dfn, var):lang(ja)) {
  font-style: unset;
}

:where(address:lang(ja)) {
  font-style: unset;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    -webkit-animation-duration: 0.01ms !important;
            animation-duration: 0.01ms !important;
    -webkit-animation-iteration-count: 1 !important;
            animation-iteration-count: 1 !important;
    -webkit-transition-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/**********
** base
***********************************/

/* フォント、カラー設定 */

:where(body) {
  font-family: var(--font-main);
  color: var(--black);
  -webkit-text-size-adjust: 100%;
     -moz-text-size-adjust: 100%;
      -ms-text-size-adjust: 100%;
          text-size-adjust: 100%;
  overflow-wrap: anywhere;
}

:where(body.is-menu-open) {
  overflow: hidden;
}

/* ホバー */

@media (min-width: 768px) {

:where(a, button) {
    -webkit-transition: .3s;
    transition: .3s;
}
  }

@media (min-width: 768px) {

:where(a, button):hover {
    opacity: 0.7;
    cursor: pointer;
}
  }

/* pcでリンク無効 */

@media (min-width: 768px) {

:where(a[href*="tel:"]) {
    pointer-events: none;
    cursor: default;
    text-decoration: none;
}
  }

:where(
    :-moz-any-link,
    button,
    [type='button'],
    [type='reset'],
    [type='submit'],
    label[for],
    select,
    summary,
    [role='tab'],
    [role='button']
  ) {
  cursor: pointer;
}

:where(
    :any-link,
    button,
    [type='button'],
    [type='reset'],
    [type='submit'],
    label[for],
    select,
    summary,
    [role='tab'],
    [role='button']
  ) {
  cursor: pointer;
}

/* ============================================
   Paytone One (英語用)
   ============================================ */

@font-face {
  font-family: 'Paytone One';
  src: url('../fonts/PaytoneOne/PaytoneOne-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   Noto Sans JP (日本語ゴシック)
   ※必要なウェイトのみ記述推奨（例: Regular, Bold）
   ============================================ */

/* Regular (400) */

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../fonts/NotoSansJP/NotoSansJP-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Medium (500) - 必要な場合 */

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../fonts/NotoSansJP/NotoSansJP-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* SemiBold (600) - 必要な場合 */

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../fonts/NotoSansJP/NotoSansJP-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* Bold (700) */

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../fonts/NotoSansJP/NotoSansJP-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Black (900) */

@font-face {
  font-family: 'Noto Sans JP';
  src: url('../fonts/NotoSansJP/NotoSansJP-Black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   Noto Serif JP (日本語明朝)
   ============================================ */

/* Regular (400) */

@font-face {
  font-family: 'Noto Serif JP';
  src: url('../fonts/NotoSerifJP/NotoSerifJP-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Bold (700) */

@font-face {
  font-family: 'Noto Serif JP';
  src: url('../fonts/NotoSerifJP/NotoSerifJP-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* 2. 順序を気にしなくていいもの（ワイルドカード） */

.footer__wrap {
  background-color: var(--pink-500);
  background-image: var(--gradient-pink);
  padding-block: clamp(
    calc(40 * var(--r)),
    calc(40 * var(--r)) + ((60 - 40) * var(--fluid-rate)),
    calc(60 * var(--r))
  );
}

/* フッター全体のレイアウト */

.footer__body {
  display: -ms-grid;
  display: grid;
  gap: clamp(
    calc(20 * var(--r)),
    calc(20 * var(--r)) + ((30 - 20) * var(--fluid-rate)),
    calc(30 * var(--r))
  );
}

/* 白カード（主催・後援共通） */

.footer__card {
  background-color: var(--white);
  border-radius: calc(10 * var(--r));
  display: -ms-grid;
  display: grid;
  justify-items: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: calc(10 * var(--r)) calc(16 * var(--r));
}

@media (min-width: 768px) {

.footer__card {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    gap: calc(15 * var(--r));
    padding-block: calc(25 * var(--r));
}
  }

@media (min-width: 768px) {

.footer__card:nth-child(2) {
    padding-block: calc(10 * var(--r));
}
  }

.footer__label {
  font-size: var(--fs-base);
  font-weight: 700;
  white-space: nowrap;
}

/* ロゴ群 */

.footer__logos {
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: auto calc(15 * var(--r)) auto;
  grid-template-columns: repeat(2, auto);
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: calc(15 * var(--r));
}

@media (min-width: 768px) {

.footer__logos {
    grid-auto-flow: column;
    grid-auto-columns: auto;
    -ms-grid-columns: unset;
    grid-template-columns: unset;
    gap: 0;
}
  }

/* 後援ロゴ：SPは3列 */

.footer__card:nth-child(2) .footer__logos {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  width: 100%;
}

@media (min-width: 768px) {

.footer__card:nth-child(2) .footer__logos {
    display: -ms-grid;
    display: grid;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: start;
    -ms-grid-columns: auto calc(15 * var(--r)) auto calc(15 * var(--r)) auto;
    grid-template-columns: repeat(3, auto);
    gap: calc(15 * var(--r));
}
  }

/* 各ロゴ */

.footer__logo {
  display: -ms-grid;
  display: grid;
  position: relative;
}

@media (min-width: 768px) {

.footer__logo {
    place-items: center;
    padding-inline: clamp(
      calc(15 * var(--r)),
      calc(15 * var(--r)) + ((30 - 15) * var(--fluid-rate)),
      calc(30 * var(--r))
    );
}
  }

.footer__logo:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 50%;
  right: calc(-8 * var(--r));
  translate: 0 -50%;
  width: 2px;
  height: 1.6em;
  background-color: var(--gray-300);
}

@media (min-width: 768px) {

.footer__logo:not(:last-child)::after {
    height: 3em;
}
  }

.footer__logo img {
  display: block;
  max-width: 100%;
  height: auto;
  -o-object-fit: contain;
     object-fit: contain;
}

/* フッターナビ */

.footer__nav {
  display: -ms-grid;
  display: grid;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: clamp(
    calc(20 * var(--r)),
    calc(20 * var(--r)) + ((50 - 20) * var(--fluid-rate)),
    calc(50 * var(--r))
    );
}

@media (min-width: 768px) {

.footer__nav {
    grid-auto-flow: column;
}
  }

.footer__nav-link {
  font-size: var(--fs-base);
  color: var(--white);
  display: -ms-inline-grid;
  display: inline-grid;
  -ms-grid-columns: auto calc(8 * var(--r)) auto;
  grid-template-columns: auto auto;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: calc(8 * var(--r));
}

.footer__nav-link::after {
  content: '';
  width: calc(8 * var(--r));
  height: calc(8 * var(--r));
  border-top: 2px solid var(--white);
  border-right: 2px solid var(--white);
  -webkit-transform: rotate(45deg) translateY(2px);
          transform: rotate(45deg) translateY(2px);
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

/* コピーライト */

.footer__copyright {
  text-align: center;
  padding-block: calc(20 * var(--r));
  background-color: var(--white);
}

.footer__copyright-text {
  font-size: var(--fs-xs);
  line-height: 1;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

/* ----------------------------------------
   上部バー（ロゴ・スポンサー）
   ---------------------------------------- */

.header__top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  background-color: var(--white);
  padding-block: calc(10 * var(--r));
  padding-inline: calc(15 * var(--r));
  height: calc(80 * var(--r));
}

@media (min-width: 768px) {

.header__top {
    padding-block: calc(17 * var(--r));
    padding-inline: clamp(
      calc(15 * var(--r)),
      calc(15 * var(--r)) + (40 - 15) * var(--fluid-rate),
      calc(40 * var(--r))
    );
    height: auto;
}
  }

/* ----------------------------------------
   左側ラッパー（ロゴ + スポンサー）
   ---------------------------------------- */

.header__left {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: calc(4 * var(--r));
  min-width: 0;
}

@media (min-width: 768px) {

.header__left {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    gap: calc(25 * var(--r));
    width: 100%;
}
  }

/* header--sub: ハンバーガー表示のため左側を縮小 */

@media (min-width: 768px) {

.header--sub .header__left {
    width: auto;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    min-width: 0;
}
  }

.header__logo {
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

.header__logo-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@media (min-width: 768px) {

.header__logo-link {
    padding-block: calc(12 * var(--r));
}
  }

.header__logo-img {
  width: calc(180 * var(--r));
  height: auto;
}

@media (min-width: 768px) {

.header__logo-img {
    width: clamp(
      calc(180 * var(--r)),
      calc(180 * var(--r)) + (260 - 180) * var(--fluid-rate),
      calc(260 * var(--r))
    );
}
  }

.header__sponsors {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: calc(15 * var(--r));
}

@media (min-width: 768px) {

.header__sponsors {
    gap: calc(25 * var(--r));
}
  }

.header__sponsor {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.header__sponsor + .header__sponsor {
  padding-left: calc(15 * var(--r));
  border-left: 1px solid var(--gray-300);
}

@media (min-width: 768px) {

.header__sponsor + .header__sponsor {
    padding-left: calc(25 * var(--r));
}
  }

.header__sponsor-img {
  height: calc(16 * var(--r));
  width: auto;
}

@media (min-width: 768px) {

.header__sponsor-img {
    height: clamp(
      calc(22 * var(--r)),
      calc(22 * var(--r)) + (32 - 22) * var(--fluid-rate),
      calc(32 * var(--r))
    );
}
  }

/* ----------------------------------------
   ナビゲーション
   ---------------------------------------- */

.header__nav {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  max-height: 100vh;
  height: 100vh;
  background-color: var(--pink-500);
  border-bottom-left-radius: calc(15 * var(--r));
  border-bottom-right-radius: calc(15 * var(--r));
  padding-top: calc(100 * var(--r));
  padding-bottom: calc(40 * var(--r));
  padding-inline: calc(20 * var(--r));
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  -ms-scroll-chaining: none;
      overscroll-behavior: contain;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  -webkit-transition: opacity 0.3s ease, visibility 0.3s ease;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

@media (min-width: 768px) {

.header__nav {
    position: static;
    width: auto;
    height: auto;
    max-height: none;
    padding-top: 0;
    padding-bottom: 0;
    padding-block: calc(20 * var(--r));
    padding-inline: calc(20 * var(--r));
    overflow: visible;
    z-index: auto;
    border-bottom-left-radius: calc(30 * var(--r));
    border-bottom-right-radius: calc(30 * var(--r));
    -webkit-box-shadow: 0 calc(8 * var(--r)) calc(20 * var(--r)) color-mix(in srgb, var(--pink-500) 60%, transparent);
            box-shadow: 0 calc(8 * var(--r)) calc(20 * var(--r)) color-mix(in srgb, var(--pink-500) 60%, transparent);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    -webkit-transition: none;
    transition: none;
}
  }

.header__nav.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* header--sub: PCでもナビをオーバーレイ表示（ハンバーガークリックで開閉） */

@media (min-width: 768px) {

.header--sub .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    left: unset;
    width: min(50%, calc(500 * var(--r)));
    height: 100vh;
    max-height: 100vh;
    padding-top: calc(100 * var(--r));
    padding-bottom: calc(40 * var(--r));
    padding-inline: calc(20 * var(--r));
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    -webkit-transition: opacity 0.3s ease, visibility 0.3s ease;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
  }

@media (min-width: 768px) {

.header--sub .header__nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
  }

/* ----------------------------------------
   ハンバーガーメニュー
   ---------------------------------------- */

.header__hamburger {
  position: fixed;
  top: 0;
  right: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: calc(6 * var(--r));
  background-color: var(--pink-500);
  border: none;
  cursor: pointer;
  width: calc(125 * var(--r));
  height: calc(80 * var(--r));
  z-index: 1001;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

@media (min-width: 768px) {

.header__hamburger {
    display: none;
}
  }

/* header--sub: PCでもハンバーガーメニューを表示 */

@media (min-width: 768px) {

.header--sub .header__top {
    padding-right: calc(140 * var(--r));
    padding-bottom: calc(11 * var(--r));
}
  }

@media (min-width: 768px) {

.header--sub .header__hamburger {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    height: calc(86.55 * var(--r));
}
  }

.header__hamburger-box {
  width: calc(42 * var(--r));
  height: calc(14 * var(--r));
  display: block;
  position: relative;
}

.header__hamburger-line {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  -webkit-transform-origin: center center;
          transform-origin: center center;
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--white);
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

.header__hamburger-line:nth-child(1) {
  top: 0;
}

.header__hamburger-line:nth-child(2) {
  top: 70%;
  -webkit-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
}

.header__hamburger-text {
  color: var(--white);
  font-size: 0;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
}

.header__hamburger-text::before {
  content: "MENU";
  font-size: calc(12 * var(--r));
}

.header__hamburger.is-active .header__hamburger-text::before {
  content: "CLOSE";
}

.header__hamburger.is-active .header__hamburger-line:nth-child(1) {
  top: 67%;
  -webkit-transform: translateX(-50%) translateY(-50%) rotate(15deg);
          transform: translateX(-50%) translateY(-50%) rotate(15deg);
}

.header__hamburger.is-active .header__hamburger-line:nth-child(2) {
  bottom: 52%;
  -webkit-transform: translateX(-50%) translateY(-50%) rotate(-15deg);
          transform: translateX(-50%) translateY(-50%) rotate(-15deg);
}

/**********
** layout
***********************************/

.inner {
  width: 100%;
  max-width: calc(var(--inner-width) * 1px + (var(--padding-pc) * 2) * 1px);
  margin-inline: auto;

  /* SP(20px) 〜 PC(25px) まで滑らかに可変する余白 */
  padding-inline: clamp(
    calc(var(--padding-sp) * 1px),
    calc(var(--padding-sp) * 1px) + ((var(--padding-pc) - var(--padding-sp)) * var(--fluid-rate)),
    calc(var(--padding-pc) * 1px)
  );
}

.inner._sm {
    max-width: calc(1400 * var(--r));
  }

.section__wrap {
  padding-top: calc(100 * var(--r));
  background: url(/ideathon/common/img/news_bg.webp) no-repeat center center / cover;
}

@media (min-width: 768px) {

.section__wrap {
    padding-top: calc(130 * var(--r));
}
  }

._target .section__wrap {
    background: none;
  }

._award .section__wrap {
    background: url(/ideathon/common/img/award_bg.webp) no-repeat center center / cover;
  }

._apply .section__wrap {
    background: url(/ideathon/common/img/apply_bg.webp) no-repeat center center / cover;
  }

._flow .section__wrap {
    background: none;
  }

._faq .section__wrap {
    background: var(--orange-300);
  }

._contact .section__wrap {
    background: none;
    padding-block: calc(110 * var(--r));
  }

@media (min-width: 768px) {

._contact .section__wrap {
      padding-block: calc(140 * var(--r));
  }
    }

._application .section__wrap {
    background: url(/ideathon/common/img/application_bg.webp) no-repeat center center / cover;
  }

.section__contents {
  background-color: var(--white);
  border-top-left-radius: calc(44 * var(--r));
  border-top-right-radius: calc(44 * var(--r));
  padding:
    clamp(
      calc(30 * var(--r)),
      calc(30 * var(--r)) + ((60 - 30) * var(--fluid-rate)),
      calc(60 * var(--r))
    )
    clamp(
      calc(20 * var(--r)),
      calc(20 * var(--r)) + ((80 - 20) * var(--fluid-rate)),
      calc(80 * var(--r))
  );
  position: relative;
}

@media (min-width: 768px) {

.section__contents {
    border-top-left-radius: calc(120 * var(--r));
    border-top-right-radius: calc(120 * var(--r));
}
  }

._target .section__contents {
    background: url(/ideathon/common/img/target_bg.webp) no-repeat center center / cover;
  }

._faq .section__contents {
    background: url(/ideathon/common/img/faq_bg.webp) no-repeat center center / cover;
  }

._flow .section__contents {
    background: url(/ideathon/common/img/flow_bg.webp) no-repeat center center / cover;
  }

._application .section__contents {
    padding-block: calc(40 * var(--r));
    padding-inline: calc(20 * var(--r));
  }

@media (min-width: 768px) {

._application .section__contents {
      padding-block: calc(100 * var(--r));
      padding-inline: calc(100 * var(--r));
  }
    }

.section__form-area iframe {
  width: 100%;
  height: 100%;
}

.btn {
  font-size: var(--fs-md);
  font-weight: 700;
  text-transform: capitalize;
  color: var(--white);
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-color: var(--pink-500);
  padding-block: calc(18.5 * var(--r));
  width: calc(290 / 390 * 100vw);
}

@media (min-width: 768px) {

.btn {
    min-width: calc(360 * var(--r));
    width: auto;
}
  }

.cta {
  display: none;
  position: fixed;
  bottom: calc(16 * var(--r));
  left: 50%;
  translate: -50% 0;
  z-index: 20;
}

@media (min-width: 768px) {

.cta {
    top: calc(440 * var(--r));
    right: 0;
    bottom: auto;
    left: auto;
    -webkit-transform: none;
            transform: none;
    translate: none;
    z-index: 1000;
    -webkit-writing-mode: vertical-rl;
        -ms-writing-mode: tb-rl;
            writing-mode: vertical-rl;
    display: block;
}
  }

.cta__link {
  font-size: clamp(
    calc(18 * var(--r)),
    calc(18 * var(--r)) + ((24 - 18) * var(--fluid-rate)),
    calc(24 * var(--r))
  );
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  border: calc(8 * var(--r)) solid var(--pink-500);
  border-radius: calc(infinity * 1px);
  background: linear-gradient(143deg, var(--white) 4%, var(--pink-500) 17%);
  padding-block: calc(9 * var(--r)) calc(8 * var(--r));
  padding-inline: calc(10 * var(--r));
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: calc(290 / 390 * 100vw);
}

@media (min-width: 768px) {

.cta__link {
    -webkit-writing-mode: vertical-rl;
        -ms-writing-mode: tb-rl;
            writing-mode: vertical-rl;
    border-top-left-radius: calc(40 * var(--r));
    border-top-right-radius: 0;
    border-bottom-left-radius: calc(40 * var(--r));
    border-bottom-right-radius: 0;
    padding-block: calc(22 * var(--r));
    padding-inline: calc(80 * var(--r));
    background: none;
    border: none;
    background-color: var(--pink-500);
    text-shadow: 0 0 calc(6 * var(--r)) color-mix(in srgb, var(--black) 100%, transparent);
    width: auto;
}
  }

.gray-disc-list__lists {
  display: -ms-grid;
  display: grid;
  gap: calc(40 * var(--r));
}

.gray-disc-list__list {
  padding-left: 0.5em;
  position: relative;
}

@media (min-width: 768px) {

.gray-disc-list__list {
    padding-left: 2em;
}
  }

.gray-disc-list__list::before {
  content: '';
  position: absolute;
  top: calc(10 * var(--r));
  left: calc(-10 * var(--r));
  width: calc(12 * var(--r));
  height: calc(12 * var(--r));
  background-color: var(--gray-300);
  border-radius: 50%;
}

@media (min-width: 768px) {

.gray-disc-list__list::before {
    left: 0;
    width: calc(14 * var(--r));
    height: calc(14 * var(--r));
}
  }

.header-nav__top-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: calc(6 * var(--r));
  color: var(--white);
  text-decoration: none;
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: calc(18 * var(--r)) calc(25 * var(--r));
  position: relative;
}

@media (min-width: 768px) {

.header-nav__top-link {
    display: none;
}
  }

.header-nav__top-link::after {
  content: '';
  display: inline-block;
  width: calc(10 * var(--r));
  height: calc(10 * var(--r));
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  border-right: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  -ms-flex-negative: 0;
      flex-shrink: 0;
  margin-top: calc(-3 * var(--r));
}

@media (min-width: 768px) {

.header-nav__top-link::after {
    display: none;
}
  }

.header-nav__lists {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  list-style: none;
  background-color: var(--pink-700);
  border-radius: calc(15 * var(--r));
}

@media (min-width: 768px) {

.header-nav__lists {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    border-radius: 0;
    background-color: transparent;
}
  }

@media (min-width: 768px) {

.header-nav__list {
    border-right: 1px solid rgba(255, 255, 255, 0.3);
}
  }

@media (min-width: 768px) {

.header-nav__list:first-child {
    border-left: 1px solid rgba(255, 255, 255, 0.3);
}
  }

.header-nav__link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  gap: calc(6 * var(--r));
  color: var(--white);
  text-decoration: none;
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: calc(18 * var(--r)) calc(25 * var(--r));
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}

@media (min-width: 768px) {

.header-nav__link {
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    padding: calc(14 * var(--r)) clamp(
      calc(20 * var(--r)),
      calc(20 * var(--r)) + (38 - 20) * var(--fluid-rate),
      calc(38 * var(--r))
    );
    border-bottom: none;
}
  }

.header-nav__link::after {
  content: '';
  display: inline-block;
  width: calc(10 * var(--r));
  height: calc(10 * var(--r));
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  border-right: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  -ms-flex-negative: 0;
      flex-shrink: 0;
  margin-top: calc(-3 * var(--r));
}

@media (min-width: 768px) {

.header-nav__link::after {
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
    width: calc(6 * var(--r));
    height: calc(6 * var(--r));
}
  }

.header-nav__list:last-child .header-nav__link {
  border-bottom: none;
}

.header-nav__btn-area {
  display: -ms-grid;
  display: grid;
  gap: calc(20 * var(--r));
}

.header-nav__btn {
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: 0.025em;
  color: var(--white);
  text-align: center;
  display: block;
  border: 1px solid currentColor;
  border-radius: calc(infinity * 1px);
  padding-block: calc(17 * var(--r));
}

@media (min-width: 768px) {

.header-nav__btn-area {
    display: none;
}
  }

.header-nav__btn._rev {
  background-color: var(--white);
  color: var(--pink-500);
}

/* header--sub: PCでもオーバーレイ表示時はSPと同じ縦並びレイアウト */

@media (min-width: 768px) {

.header--sub .header-nav__top-link {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__top-link::after {
    display: inline-block;
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__lists {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    background-color: var(--pink-700);
    border-radius: calc(15 * var(--r));
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__list {
    border-right: none;
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__list:first-child {
    border-left: none;
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__link {
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    padding: calc(18 * var(--r)) calc(25 * var(--r));
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__link::after {
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
    width: calc(10 * var(--r));
    height: calc(10 * var(--r));
}
  }

@media (min-width: 768px) {

.header--sub .header-nav__btn-area {
    display: -ms-grid;
    display: grid;
}
  }

.large-btn {
  font-size: clamp(
    calc(18 * var(--r)),
    calc(18 * var(--r)) + ((24 - 18) * var(--fluid-rate)),
    calc(24 * var(--r))
  );
  font-weight: 700;
  text-transform: capitalize;
  color: var(--white);
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-color: var(--pink-500);
  padding-block: calc(18 * var(--r));
  width: calc(290 / 390 * 100vw);
  position: relative;
}

@media (min-width: 768px) {

.large-btn {
    min-width: calc(720 * var(--r));
    width: auto;
    padding-block: calc(34.5 * var(--r));
}
  }

.large-btn._sm {
  width: calc(290 / 390 * 100vw);
}

@media (min-width: 768px) {

.large-btn._sm {
    min-width: calc(680 * var(--r));
    width: auto;
}
  }

.large-btn._icon-pdf::after {
  content: '';
  position: absolute;
  top: calc(20 * var(--r));
  right: calc(20 * var(--r));
  width: calc(18 * var(--r));
  height: calc(20 * var(--r));
  background: url('/ideathon/common/img/icon_pdf_dl.webp') no-repeat center center / contain;
}

@media (min-width: 768px) {

.large-btn._icon-pdf::after {
    top: calc(32 * var(--r));
    right: calc(50 * var(--r));
    width: calc(29 * var(--r));
    height: calc(31 * var(--r));
}
  }

.large-btn._icon-dl::after {
  content: '';
  position: absolute;
  top: calc(34 * var(--r));
  right: calc(20 * var(--r));
  width: calc(18 * var(--r));
  height: calc(18 * var(--r));
  background: url('/ideathon/common/img/icon_dl.webp') no-repeat center center / contain;
}

@media (min-width: 768px) {

.large-btn._icon-dl::after {
    right: calc(50 * var(--r));
    width: calc(28 * var(--r));
    height: calc(28 * var(--r));
}
  }

.page-header__wrap {
  padding-block: calc(150 * var(--r)) calc(90 * var(--r));
  position: relative;
}

@media (min-width: 768px) {

.page-header__wrap {
    padding-block: calc(250 * var(--r)) calc(90 * var(--r));
}
  }

.page-header__wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(/ideathon/common/img/bg_page-header.webp) no-repeat center center / cover;
}

.page-header__head {
  color: var(--white);
  text-align: center;
  position: relative;
}

.page-header__title {
  font-size: clamp(
    calc(32 * var(--r)),
    calc(32 * var(--r)) + ((64 - 32) * var(--fluid-rate)),
    calc(64 * var(--r))
  );
  font-weight: 900;
  letter-spacing: 0.2em;
  text-shadow: var(--text-shadow);
}

.page-header__lists {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: calc(40 * var(--r));
  position: relative;
}

.page-header__lists::before {
  content: '';
  position: absolute;
  top: calc(-18 * var(--r));
  left: 50%;
  translate: -50% 0;
  width: calc(24 * var(--r));
  height: 2px;
  background-color: var(--white);
}

.page-header__list {
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: 2;
}

.page-header__list {
  position: relative;
}

.page-header__list:not(:first-child)::before {
  content: '';
  position: absolute;
  top: calc(18 * var(--r));
  left: calc(-25 * var(--r));
  width: calc(10 * var(--r));
  height: 1px;
  background-color: var(--white);
}

.page-header__link {
  text-decoration: underline;
}

.text {
  font-size: var(--fs-md);
  line-height: calc(32 / 18);
}

.title {
  font-size: clamp(
    calc(24 * var(--r)),
    calc(24 * var(--r)) + ((32 - 24) * var(--fluid-rate)),
    calc(32 * var(--r))
  );
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--white);
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: calc(270 / 390 * 100vw);
  background-color: var(--pink-500);
  background-image: var(--gradient-pink);
  padding-block: calc(12 * var(--r));
  border-radius: calc(infinity * 1px);
  position: absolute;
  top: 0;
  left: 50%;
  translate: -50% 0;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

@media (min-width: 768px) {

.title {
    min-width: calc(400 * var(--r));
    width: auto;
}
  }

.title::before {
  content: '';
  position: absolute;
  z-index: -1;
  bottom: calc(-14 * var(--r));
  left: 50%;
  translate: -50% 0;
  width: calc(16 * var(--r));
  height: calc(16 * var(--r));
  -webkit-clip-path: polygon(0 0, 50% 100%, 100% 0);
          clip-path: polygon(0 0, 50% 100%, 100% 0);
  background-color: var(--pink-500);
}

.apply__lead {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(32 / 20);
  text-align: center;
}

.apply__lists {
  display: -ms-grid;
  display: grid;
  gap: calc(40 * var(--r));
  width: min(100%, calc(1100 * var(--r)));
  margin-inline: auto;
  counter-reset: apply-list;
}

.apply__list {
  counter-increment: apply-list;
}

.apply__list-head {
  padding-block: calc(6 * var(--r));
  padding-inline: calc(20 * var(--r));
  border-bottom: 1px solid var(--pink-500);
  position: relative;
}

@media (min-width: 768px) {

.apply__list-head {
    padding-block: calc(22 * var(--r));
    padding-inline: calc(40 * var(--r));
}
  }

.apply__list-head::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: calc(10 * var(--r));
  height: 100%;
  background-color: var(--pink-500);
  border-top-left-radius: calc(4 * var(--r));
  border-top-right-radius: calc(4 * var(--r));
}

.apply__list-title {
  font-size: clamp(
    calc(18 * var(--r)),
    calc(18 * var(--r)) + ((24 - 18) * var(--fluid-rate)),
    calc(24 * var(--r))
  );
  font-weight: 700;
  line-height: calc(32 / 24);
  color: var(--pink-500);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: calc(10 * var(--r));
  position: relative;
}

@media (min-width: 768px) {

.apply__list-title {
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: calc(40 * var(--r));
}
  }

.apply__list-title::before {
  content: 'Step' counter(apply-list, decimal-leading-zero);
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(32 / 20);
  color: var(--pink-500);
}

@media (min-width: 768px) {

.apply__list-title::after {
    content: '';
    position: absolute;
    top: 0;
    left: calc(90 * var(--r));
    width: 1px;
    height: 100%;
    background-color: var(--pink-500);
}
  }

.apply__btn {
  text-align: center;
}

,award__lead {
  font-weight: 700;
  line-height: 2;
  text-align: center;
}

.award__lead {
  font-weight: 700;
  line-height: 2;
  text-align: center;
}

.award__banner {
  width: min(100%, calc(1000 * var(--r)));
  margin-inline: auto;
}

.award__banner img {
  -o-object-fit: contain;
     object-fit: contain;
  width: 100%;
  height: auto;
}

.award__note {
  line-height: calc(32 / 18);
}

@media (min-width: 768px) {

.award__note {
    text-align: center;
}
  }

.contact__wrap {
  padding-block: calc(80 * var(--r));
  background: url(/ideathon/common/img/contact_bg.webp) no-repeat center center / cover;
  position: relative;
}

.contact__lead {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 2;
  text-align: center;
}

.contact__head {
  position: absolute;
  top: calc(-30 * var(--r));
  left: 50%;
  translate: -50%;
}

@media (min-width: 768px) {

.contact__head {
    top: calc(-60 * var(--r));
}
  }

.contact__title-en {
  font-size: clamp(
    calc(36 * var(--r)),
    calc(36 * var(--r)) + ((72 - 36) * var(--fluid-rate)),
    calc(72 * var(--r))
  );
  letter-spacing: 0.025em;
  font-family: var(--font-en);
  text-transform: capitalize;
  color: var(--pink-500);
}

.contact__title-ja {
  font-size: clamp(
    calc(18 * var(--r)),
    calc(18 * var(--r)) + ((24 - 18) * var(--fluid-rate)),
    calc(24 * var(--r))
  );
  font-weight: 700;
  color: var(--pink-500);
  text-align: center;
}

.contact__btn-area {
  display: -ms-grid;
  display: grid;
  place-items: center;
  gap: calc(20 * var(--r));
}

@media (min-width: 768px) {

.contact__btn-area {
    -ms-grid-columns: 1fr calc(100 * var(--r)) 1fr;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(100 * var(--r));
}
  }

.faq__items {
  display: -ms-grid;
  display: grid;
  gap: calc(40 * var(--r));
}

.faq__answer {
  -webkit-transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__question-number,
.faq__question {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(35 / 20);
  color: var(--white);
}

.faq__question-number {
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

.faq__question {
  background-color: var(--pink-400);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: calc(10 * var(--r));
  width: 100%;
  padding-block: calc(16 * var(--r));
  padding-inline: calc(20 * var(--r)) calc(40 * var(--r));
  border-radius: calc(10 * var(--r));
  position: relative;
}

@media (min-width: 768px) {

.faq__question {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: calc(40 * var(--r));
    border-radius: calc(60 * var(--r));
    padding-block: calc(26 * var(--r));
    padding-inline: calc(40 * var(--r)) calc(60 * var(--r));
}
  }

.faq__question:hover {
    opacity: 1;
  }

@media (min-width: 768px) {

.faq__question::before {
    content: '';
    position: absolute;
    top: 50%;
    left: calc(90 * var(--r));
    translate: 0 -50%;
    width: 1px;
    height: calc(100% - calc(52 * var(--r)));
    background-color: var(--white);
}
  }

.faq__question.is-open {
  border-top-left-radius: calc(10 * var(--r));
  border-top-right-radius: calc(10 * var(--r));
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

@media (min-width: 768px) {

.faq__question.is-open {
    border-top-left-radius: calc(36 * var(--r));
    border-top-right-radius: calc(36 * var(--r));
}
  }

.faq__icon {
  position: absolute;
  top: calc(30 * var(--r));
  right: calc(20 * var(--r));
  width: calc(18 * var(--r));
  height: calc(18 * var(--r));
}

@media (min-width: 768px) {

.faq__icon {
    right: calc(40 * var(--r));
    width: calc(28 * var(--r));
    height: calc(28 * var(--r));
}
  }

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 100%;
  height: calc(4 * var(--r));
  background-color: var(--white);
}

.faq__icon::after {
  rotate: 90deg;
  -webkit-transition: rotate 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transition: rotate 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.is-open .faq__icon::after {
  rotate: 0deg;
}

.faq__answer {
  position: relative;
}

.faq__answer::before {
  content: 'A.';
  position: absolute;
  top: calc(14 * var(--r));
  left: calc(20 * var(--r));
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(35 / 20);
}

@media (min-width: 768px) {

.faq__answer::before {
    top: calc(34 * var(--r));
    left: calc(40 * var(--r));
}
  }

.faq__answer-area {
  line-height: calc(32 / 18);
  padding-block: calc(40 * var(--r)) calc(20 * var(--r));
  padding-inline: calc(20 * var(--r));
  background-color: var(--white);
  border: 1px solid var(--pink-400);
  border-top: none;
  border-bottom-left-radius: calc(10 * var(--r));
  border-bottom-right-radius: calc(10 * var(--r));
}

@media (min-width: 768px) {

.faq__answer-area {
    padding-block: calc(35 * var(--r));
    padding-inline: calc(90 * var(--r));
    border-bottom-left-radius: calc(36 * var(--r));
    border-bottom-right-radius: calc(36 * var(--r));
}
  }

.faq__answer-area ol {
  counter-reset: faq-answer-list;
}

.faq__answer-area ol li {
  counter-increment: faq-answer-list;
  font-size: var(--fs-md);
  padding-left: 1.5em;
  text-indent: -1.5em;
}

.faq__answer-area ol li::before {
  content: counter(faq-answer-list)'.';
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: calc(32 / 20);
  margin-right: calc(10 * var(--r));
}

.flow__lists {
  display: -ms-grid;
  display: grid;
  gap: calc(58 * var(--r));
}

.flow__list {
  display: -ms-grid;
  display: grid;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: calc(18 * var(--r));
}

@media (min-width: 768px) {

.flow__list {
    -ms-grid-columns: calc(380 * var(--r)) calc(90 * var(--r)) 1fr;
    grid-template-columns: calc(380 * var(--r)) 1fr;
    gap: calc(90 * var(--r));
}
  }

.flow__head-box {
  display: -ms-grid;
  display: grid;
  gap: calc(18 * var(--r));
  position: relative;
}

@media (min-width: 768px) {

.flow__head-box {
    gap: calc(58 * var(--r));
}
  }

@media (min-width: 768px) {

.flow__head-box::before {
    content: '';
    position: absolute;
    top: 50%;
    right: calc(-60 * var(--r));
    translate: 0 -50%;
    width: calc(32 * var(--r));
    height: calc(100% - calc(120 * var(--r)));
    background-color: transparent;
    border-top: 1px solid var(--pink-300);
    border-bottom: 1px solid var(--pink-300);
    border-right: 1px solid var(--pink-300);
}
  }

.flow__list-head {
  display: -ms-grid;
  display: grid;
  background-color: var(--pink-300);
  border-radius: calc(26 * var(--r));
  text-align: center;
  position: relative;
}

.flow__list:not(:first-child) .flow__list-head::before {
  content: '';
  position: absolute;
  top: calc(-40 * var(--r));
  left: 50%;
  translate: -50% 0;
  width: calc(32 * var(--r));
  height: calc(18 * var(--r));
  background-color: var(--pink-300);
  -webkit-clip-path: polygon(0 0, 50% 100%, 100% 0);
          clip-path: polygon(0 0, 50% 100%, 100% 0);
}

.flow__head-box .flow__list-head:not(:first-child)::before {
  display: none;
}

@media (min-width: 768px) {

.flow__head-box .flow__list-head:not(:first-child)::before {
    display: block;
}
  }

.flow__list-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(32 / 20);
  color: var(--white);
  padding-block: calc(20 * var(--r));
}

.flow__list-date {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(32 / 20);
  color: var(--pink-500);
  background-color: var(--white);
  padding-block: calc(14 * var(--r));
  border-bottom-left-radius: calc(26 * var(--r));
  border-bottom-right-radius: calc(26 * var(--r));
}

.flow__list-detail {
  position: relative;
}

@media (min-width: 768px) {

.flow__list-detail::before {
    content: '';
    position: absolute;
    top: 50%;
    left: calc(-60 * var(--r));
    translate: 0 -50%;
    width: calc(30 * var(--r));
    height: 1px;
    background-color: var(--pink-300);
}
  }

.flow__list-detail._box::before {
  display: none;
}

.flow__note {
  width: min(100%, calc(500 * var(--r)));
  margin-inline: auto;
}

.mv {
  margin-top: calc(74 * var(--r));
}

@media (min-width: 768px) {

.mv {
    margin-top: calc(58 * var(--r));
}
  }

.mv__img img {
  -o-object-fit: cover;
     object-fit: cover;
  width: 100%;
  height: 100%;
}

.news__lists {
  display: -ms-grid;
  display: grid;
  gap: calc(8 * var(--r));
}

.news__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  padding-block: calc(20 * var(--r));
  border-bottom: 1px solid var(--gray-300);
}

@media (min-width: 768px) {

.news__list {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: calc(20 * var(--r));
}
  }

.news__date {
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: 2;
  color: var(--gray-500);
  white-space: nowrap;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

.news__list-title {
  font-size: var(--fs-md);
  line-height: calc(32 / 18);
  font-weight: 500;
}

.news__content a {
  color: var(--black);
  text-decoration: none;
}

.news__icon {
  display: inline-block;
  vertical-align: middle;
  margin-left: calc(8 * var(--r));
}

.news__icon._pdf {
  width: calc(32 * var(--r));
  height: calc(18 * var(--r));
  background: url('/ideathon/common/img/icon_pdf.webp') no-repeat center center / contain;
}

.news__icon._external {
  width: calc(14 * var(--r));
  height: calc(14 * var(--r));
  background: url('/ideathon/common/img/icon_external.webp') no-repeat center center / contain;
}

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

.purpose {
  margin-top: calc(-17 * var(--r));
  overflow-x: clip;
}

.purpose__wrap {
  padding-block: 0 calc(80 * var(--r));
  position: relative;
}

.purpose__wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(/ideathon/common/img/purpose_bg_01.webp) no-repeat center center / cover;
}

.purpose__inner {
  position: relative;
  z-index: 3;
}

.purpose__title {
  font-size: clamp(
    calc(40 * var(--r)),
    calc(40 * var(--r)) + ((80 - 40) * var(--fluid-rate)),
    calc(80 * var(--r))
  );
  font-weight: 900;
  color: var(--white);
  text-shadow: var(--text-shadow);
  text-align: center;
  margin-left: calc(-23 * var(--r));
  padding-top: calc(100 / 390 * 100vw);
  white-space: nowrap;
  position: relative;
}

@media (min-width: 768px) {

.purpose__title {
    letter-spacing: 0.05em;
    white-space: normal;
    margin-left: 0;
    padding-top: calc(100 / 1920 * 100vw);
}
  }

.purpose__title-position {
  display: inline-block;
  position: relative;
  z-index: 4;
}

.purpose__title-small {
  font-size: clamp(
    calc(35 * var(--r)),
    calc(35 * var(--r)) + ((70 - 35) * var(--fluid-rate)),
    calc(70 * var(--r))
  );
}

.purpose__title::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: calc(715 / 390 * 100vw);
  background: url(/ideathon/common/img/purpose_bg_02_sp.webp) no-repeat top left / contain;
  translate: calc(23 * var(--r));
}

@media (min-width: 768px) {

.purpose__title::before {
    background: url(/ideathon/common/img/purpose_bg_02.webp) repeat-x top left / contain;
    height: calc(664 / 1920 * 100vw);
    translate: 0 0;
}
  }

.purpose__lead {
  font-size: clamp(
    calc(20 * var(--r)),
    calc(20 * var(--r)) + ((22 - 20) * var(--fluid-rate)),
    calc(22 * var(--r))
  );
  font-weight: 900;
  color: var(--white);
  text-shadow: var(--text-shadow);
  text-align: center;
}

.purpose__sponsors {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: calc(40 * var(--r));
  width: min(100%, calc(280 * var(--r)));
  margin-inline: auto;
  padding-block: calc(6 * var(--r));
  background-color: var(--white);
  border-radius: calc(infinity * 1px);
}

@media (min-width: 768px) {

.purpose__sponsors {
    width: min(100%, calc(630 * var(--r)));
    padding-block: calc(14 * var(--r));
}
  }

.purpose__sponsor:nth-child(1) {
  width: calc(132 * var(--r));
}

@media (min-width: 768px) {

.purpose__sponsor:nth-child(1) {
    width: calc(287 * var(--r));
}
  }

.purpose__sponsor:nth-child(2) {
  width: calc(81 * var(--r));
  position: relative;
}

@media (min-width: 768px) {

.purpose__sponsor:nth-child(2) {
    width: calc(176 * var(--r));
}
  }

.purpose__sponsor:nth-child(2)::before {
  content: '';
  position: absolute;
  top: 50%;
  left: calc(-20 * var(--r));
  translate: 0 -50%;
  width: 1px;
  height: 100%;
  background-color: var(--gray-500);
}

.purpose__sponsor img {
  -o-object-fit: contain;
     object-fit: contain;
  width: 100%;
  height: 100%;
}

.purpose__cta {
  margin-top: calc(200 / 390 * 100vw);
  padding-block: calc(50 * var(--r));
  padding-inline: calc(30 * var(--r));
  background-color: var(--white);
  border-radius: calc(44 * var(--r));
}

@media (min-width: 768px) {

.purpose__cta {
    margin-top: calc(200 / 1920 * 100vw);
    padding-block: calc(80 * var(--r));
    padding-inline: calc(140 * var(--r));
    border-radius: calc(88 * var(--r));
}
  }

.purpose__cta-title {
  font-size: clamp(
    calc(26 * var(--r)),
    calc(26 * var(--r)) + ((28 - 26) * var(--fluid-rate)),
    calc(28 * var(--r))
  );
  font-weight: 900;
  line-height: calc(40 / 28);
  color: var(--pink-500);
  text-align: center;
}

@media (min-width: 768px) {

.purpose__cta-title {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    gap: calc(40 * var(--r));
}
  }

@media (min-width: 768px) {

.purpose__cta-title::before,
.purpose__cta-title::after {
    content: '';
    display: block;
    width: calc(160 * var(--r));
    height: calc(4 * var(--r));
    background-color: var(--pink-500);
}
  }

.purpose__cta-text {
  line-height: 2;
}

.target__lead {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: calc(32 / 20);
  text-align: center;
}

.target__lists {
  display: -ms-grid;
  display: grid;
  gap: calc(20 * var(--r));
  width: min(100%, calc(1100 * var(--r)));
  margin-inline: auto;
  counter-reset: target-list;
}

.target__list {
  font-size: clamp(
    calc(18 * var(--r)),
    calc(18 * var(--r)) + ((24 - 18) * var(--fluid-rate)),
    calc(24 * var(--r))
  );
  font-weight: 700;
  text-align: center;
  padding-block: calc(22 * var(--r));
  border-radius: calc(20 * var(--r));
  background-color: var(--white);
  counter-increment: target-list;
  position: relative;
}

@media (min-width: 768px) {

.target__list {
    border-radius: calc(infinity * 1px);
}
  }

.target__list span {
    font-size: clamp(
      calc(24 * var(--r)),
      calc(24 * var(--r)) + ((32 - 24) * var(--fluid-rate)),
      calc(32 * var(--r))
    );
    color: var(--pink-500);
  }

.target__list::before {
  content: counter(target-list)'.';
  position: absolute;
  top: calc(0 * var(--r));
  left: 50%;
  translate: -50% 0;
  font-size: var(--fs-lg);
}

@media (min-width: 768px) {

.target__list::before {
    top: calc(36 * var(--r));
    left: calc(100 * var(--r));
    translate: 0 0;
}
  }

.target__btn-area {
  width: min(100%, calc(760 * var(--r)));
  margin-inline: auto;
}

.target__btn-note {
  line-height: calc(32 / 18);
  padding-left: 1em;
  text-indent: -1em;
}

.target__btn {
  text-align: center;
}

/**********
** utility
***********************************/

.mt-1 {
  margin-top: clamp(
    calc(8 * var(--r)),
    calc(8 * var(--r)) + ((16 - 8) * var(--fluid-rate)),
    calc(16 * var(--r))
  );
}

.mt-2 {
  margin-top: clamp(
    calc(12 * var(--r)),
    calc(12 * var(--r)) + ((24 - 12) * var(--fluid-rate)),
    calc(24 * var(--r))
  );
}

.mt-2 {
  margin-top: clamp(
    calc(16 * var(--r)),
    calc(16 * var(--r)) + ((32 - 16) * var(--fluid-rate)),
    calc(32 * var(--r))
  );
}

.mt-3 {
  margin-top: clamp(
    calc(20 * var(--r)),
    calc(20 * var(--r)) + ((40 - 20) * var(--fluid-rate)),
    calc(40 * var(--r))
  );
}

.mt-4 {
  margin-top: clamp(
    calc(40 * var(--r)),
    calc(40 * var(--r)) + ((60 - 40) * var(--fluid-rate)),
    calc(60 * var(--r))
  );
}

.mt-5 {
  margin-top: clamp(
    calc(60 * var(--r)),
    calc(60 * var(--r)) + ((80 - 60) * var(--fluid-rate)),
    calc(80 * var(--r))
  );
}

.mt-6 {
  margin-top: clamp(
    calc(80 * var(--r)),
    calc(80 * var(--r)) + ((100 - 80) * var(--fluid-rate)),
    calc(100 * var(--r))
  );
}

.mt-7 {
  margin-top: clamp(
    calc(100 * var(--r)),
    calc(100 * var(--r)) + ((120 - 100) * var(--fluid-rate)),
    calc(120 * var(--r))
  );
}

.mt-8 {
  margin-top: clamp(
    calc(120 * var(--r)),
    calc(120 * var(--r)) + ((140 - 120) * var(--fluid-rate)),
    calc(140 * var(--r))
  );
}

/* 表示 */

.u-hidden {
  display: none;
}

@media (max-width: 767px) {

.u-hidden-sp {
    display: none;
}
  }

@media (min-width: 768px) {

.u-hidden-pc {
    display: none;
}
  }

.u-page-top {
  position: fixed;
  bottom: 20px;
  right: calc(20 * var(--r));
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: opacity 0.3s ease, visibility 0.3s ease;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: pointer;
}

.u-page-top.is-visible {
    opacity: 1;
    visibility: visible;
  }

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.u-bold {
  font-weight: 700;
}

.u-text-right {
  text-align: right;
}

.u-link {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--pink-500);
  text-decoration: none;
}

/* Page: ページごとの固有スタイル */

/* 各ページのスタイルは個別のCSSファイルで読み込む */