@charset "utf-8";
/* ===================================================
   base.css — デザイントークン / タイポグラフィ / 共通レイアウト
   =================================================== */

:root {
  /* ---- ブランドカラー(EmmaLLMO 統一値) ---- */
  --c-purple:        #8541dc;
  --c-purple-dark:   #6929c9;
  --c-purple-deep:   #5b1ea8;
  --c-purple-pale:   #f3e9ff;
  --c-purple-pale-2: #ede0ff;
  --c-indigo:        #5b5bf0;

  /* ---- インク(文字色) ---- */
  --c-ink:    #17172b;
  --c-ink-2:  #4a4a63;
  --c-ink-3:  #74748c;
  --c-ink-4:  #9a9ab0;

  /* ---- 背景・罫線 ---- */
  --c-bg:      #ffffff;
  --c-bg-alt:  #f7f6fc;
  --c-bg-tint: #f2effc;
  --c-line:    #e7e5f2;
  --c-line-2:  #d6d3e8;

  /* ---- ステータス(モック内スコア帯と統一) ---- */
  --c-good:   #3fa752;
  --c-mid:    #f08c1a;
  --c-bad:    #e0402c;

  /* ---- グラデーション ---- */
  --grad-hero: linear-gradient(135deg, #4d1a94 0%, #6929c9 42%, #8541dc 72%, #6f5bf0 100%);
  --grad-cta:  linear-gradient(135deg, #6929c9 0%, #8541dc 100%);

  /* ---- シャドウ ---- */
  --sh-sm: 0 1px 2px rgba(23, 23, 43, .05), 0 2px 8px rgba(23, 23, 43, .04);
  --sh-md: 0 2px 6px rgba(23, 23, 43, .05), 0 12px 28px rgba(23, 23, 43, .07);
  --sh-lg: 0 4px 12px rgba(23, 23, 43, .06), 0 24px 56px rgba(45, 20, 90, .14);
  --sh-purple: 0 8px 24px rgba(133, 65, 220, .28);

  /* ---- 角丸 ---- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-full: 999px;

  /* ---- レイアウト ---- */
  --container: 1120px;
  --container-narrow: 880px;
  --gutter: 24px;
  --header-h: 72px;

  /* ---- イージング ---- */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ===================================================
   ベース
   =================================================== */

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
               "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-ink);
  background: var(--c-bg);
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-wrap: break-word;
}

body.is-nav-open {
  overflow: hidden;
}

::selection {
  background: var(--c-purple-pale-2);
  color: var(--c-purple-deep);
}

:focus-visible {
  outline: 2px solid var(--c-purple);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Material Symbols(ちらつき防止に display=block 指定でも読み込む) */
.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  white-space: nowrap;
  direction: ltr;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  -webkit-font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

/* ===================================================
   レイアウト部品
   =================================================== */

.l-container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.l-container--narrow {
  max-width: calc(var(--container-narrow) + var(--gutter) * 2);
}

.l-section {
  padding-block: 104px;
  position: relative;
}

.l-section--tight {
  padding-block: 72px;
}

.l-section--alt {
  background: var(--c-bg-alt);
}

.l-section--tint {
  background: var(--c-bg-tint);
}

/* ===================================================
   セクション見出し
   =================================================== */

.c-sec-head {
  text-align: center;
  margin-bottom: 56px;
}

.c-sec-head__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-purple);
  margin-bottom: 14px;
}

.c-sec-head__label::before,
.c-sec-head__label::after {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: .5;
}

.c-sec-head__title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: .01em;
}

.c-sec-head__title .u-mark {
  background: linear-gradient(transparent 62%, var(--c-purple-pale-2) 62%);
  padding-inline: 2px;
}

.c-sec-head__lead {
  margin-top: 20px;
  font-size: 16px;
  line-height: 2;
  color: var(--c-ink-2);
}

.c-sec-head--left {
  text-align: left;
}

.c-sec-head--left .c-sec-head__label::before {
  display: none;
}

/* ===================================================
   ユーティリティ
   =================================================== */

.u-purple    { color: var(--c-purple); }
.u-nowrap    { white-space: nowrap; }
.u-center    { text-align: center; }
.u-mt-8      { margin-top: 8px; }
.u-mt-16     { margin-top: 16px; }
.u-mt-24     { margin-top: 24px; }
.u-mt-40     { margin-top: 40px; }
.u-mt-56     { margin-top: 56px; }

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* 改行制御: SPのみ改行 / PCのみ改行 */
.u-br-sp { display: none; }
.u-br-pc { display: block; }

/* ===================================================
   スクロール表示アニメーション(js/reveal.js と対応)
   =================================================== */

/* JSが動いているときだけ初期状態を隠す。
   JSが落ちてもコンテンツは必ず見える状態を保つ(html.js は head 内で付与) */
.js .js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}

.js .js-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ===================================================
   タブレット
   =================================================== */

@media (max-width: 960px) {
  .c-sec-head__title { font-size: 29px; }
  .l-section { padding-block: 84px; }
}

/* ===================================================
   スマートフォン
   =================================================== */

@media (max-width: 767px) {
  :root {
    --gutter: 20px;
    --header-h: 60px;
  }

  body {
    font-size: 15px;
    line-height: 1.85;
  }

  .l-section { padding-block: 64px; }
  .l-section--tight { padding-block: 48px; }

  .c-sec-head { margin-bottom: 36px; }
  .c-sec-head__label { font-size: 12px; margin-bottom: 10px; }
  .c-sec-head__title { font-size: 23px; line-height: 1.6; }
  .c-sec-head__lead { margin-top: 14px; font-size: 14.5px; line-height: 1.95; text-align: left; }

  .u-br-sp { display: block; }
  .u-br-pc { display: none; }
}