@charset "UTF-8";
/* =========================================================
   株式会社RISIS コーポレートサイト 共通スタイル
   配色：白 × 黒 × ブルー
   ========================================================= */

/* ---------- デザイントークン（色・文字・余白の基準値） ---------- */
:root {
  --c-bg: #ffffff;           /* 背景（白） */
  --c-bg-soft: #f4f6f9;      /* 薄いグレーの背景 */
  --c-ink: #0b0d12;          /* 見出し・本文（黒） */
  --c-ink-sub: #3a404b;      /* 本文（少し柔らかい黒） */
  --c-muted: #6b7280;        /* 補足テキスト */
  --c-line: #e3e6eb;         /* 罫線 */
  --c-line-strong: #c9ced6;  /* 濃いめの罫線・ドット模様 */
  --c-blue: #1e5eff;         /* アクセントのブルー */
  --c-blue-dark: #1446c8;    /* ホバー時のブルー */
  --c-blue-light: #7ea2ff;   /* 黒背景の上で使う明るいブルー */
  --c-dark: #0b0d12;         /* 黒背景 */

  --font-en: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;

  --header-h: 80px;          /* ヘッダーの高さ */
  --container: 1200px;       /* コンテンツの最大幅 */
  --gutter: clamp(16px, 4vw, 40px); /* 画面左右の余白 */
  --radius: 4px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- リセット・基本設定 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, dl, dd, figure { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
address { font-style: normal; }

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

/* ページ内リンクで飛んだ時、固定ヘッダーに見出しが隠れないようにする */
[id] { scroll-margin-top: calc(var(--header-h) + 24px); }

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

/* 画面には出さず、読み上げソフトにだけ伝えるテキスト */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 見出しの改行位置を整える（文節で改行し、行の長さをそろえる） */
h1, h2, h3,
.philosophy__catch,
.about__lead {
  word-break: auto-phrase;
  text-wrap: balance;
}
/* 途中で改行させたくない文節のかたまり（auto-phrase 非対応ブラウザ向けの保険） */
.chunk { display: inline-block; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  height: var(--header-h);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--c-line);
  transition: background-color .35s, color .35s, border-color .35s;
}

/* トップページのヒーロー（最初の大きな写真）の上では透明＋白文字にする */
.is-home .site-header:not(.is-scrolled) {
  background: transparent;
  border-color: transparent;
  color: #fff;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ロゴ（ロゴ画像ができたら img に差し替える） */
.logo {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  line-height: 1;
}
.logo__corp {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}
.logo__name {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: .06em;
}
/* ロゴ末尾のブルーの四角（サイト全体で使う共通モチーフ） */
.logo__name::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 3px;
  background: var(--c-blue);
}

/* グローバルナビ（PC表示） */
.gnav__list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.6vw, 36px);
}
.gnav__link {
  position: relative;
  display: block;
  padding: 8px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .08em;
}
.gnav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.gnav__link:hover::after,
.gnav__link[aria-current="page"]::after { transform: scaleX(1); }

.gnav__cta {
  display: inline-flex;
  align-items: center;
  padding: 11px 24px;
  background: var(--c-blue);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 999px;
  transition: background-color .3s;
}
.gnav__cta:hover { background: var(--c-blue-dark); }

/* ハンバーガーボタン（スマホ・タブレットのみ表示） */
.menu-toggle { display: none; }

@media (min-width: 961px) {
  /* すりガラス効果はPCのみ（スマホの全画面メニューが崩れるのを防ぐため） */
  .site-header {
    background: rgba(255, 255, 255, .88);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
  .is-home .site-header:not(.is-scrolled) {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }

  .logo__name { font-size: 24px; }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    margin-right: -10px;
    padding: 0;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
  }
  .menu-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    transition: transform .3s var(--ease), opacity .3s;
  }
  /* メニューが開いたら三本線を×印に変形 */
  .is-menu-open .menu-toggle__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .is-menu-open .menu-toggle__bar:nth-child(2) { opacity: 0; }
  .is-menu-open .menu-toggle__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  /* 全画面メニュー */
  .gnav {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    padding: var(--header-h) var(--gutter) 40px;
    background: var(--c-dark);
    color: #fff;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s var(--ease), visibility .35s;
  }
  .is-menu-open .gnav { opacity: 1; visibility: visible; }
  .is-menu-open { overflow: hidden; }
  .is-menu-open .site-header {
    background: transparent;
    border-color: transparent;
    color: #fff;
  }

  .gnav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }
  .gnav__list li { border-bottom: 1px solid rgba(255, 255, 255, .12); }
  .gnav__list li:last-child { margin-top: 32px; border-bottom: 0; }
  .gnav__link { padding: 18px 0; font-size: 18px; }
  .gnav__link::after { display: none; }
  .gnav__link[aria-current="page"] { color: var(--c-blue-light); }
  .gnav__cta {
    justify-content: center;
    width: 100%;
    padding: 16px;
    font-size: 16px;
  }
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-width: 240px;
  padding: 18px 32px;
  background: var(--c-ink);
  border: 1px solid var(--c-ink);
  color: #fff;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .16em;
  cursor: pointer;
  transition: background-color .3s, border-color .3s, color .3s;
}
.btn:hover { background: var(--c-blue); border-color: var(--c-blue); }
.btn--ja { font-family: var(--font-ja); letter-spacing: .1em; }
.btn--white { background: #fff; border-color: #fff; color: var(--c-ink); }
.btn--white:hover { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }
.btn--blue { background: var(--c-blue); border-color: var(--c-blue); }
.btn--blue:hover { background: var(--c-blue-dark); border-color: var(--c-blue-dark); }
.btn--outline { background: #fff; color: var(--c-ink); }
.btn--outline:hover { background: var(--c-ink); color: #fff; }

/* 線で描く矢印（ボタン・カード共通） */
.arrow {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
  width: 28px;
  height: 1px;
  background: currentColor;
  transition: width .3s var(--ease);
}
.arrow::after {
  content: "";
  position: absolute;
  right: 0; top: 0;
  width: 8px;
  height: 1px;
  background: currentColor;
  transform: rotate(35deg);
  transform-origin: right center;
}
.btn:hover .arrow { width: 40px; }

/* ---------- セクション共通 ---------- */
.section { padding-block: clamp(80px, 12vw, 160px); }
.section--soft { background: var(--c-bg-soft); }

/* 英日二段見出し（大きな英字＋小さな日本語） */
.sec-head__en {
  font-family: var(--font-en);
  font-size: clamp(44px, 7.2vw, 96px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.005em;
}
.sec-head__en::after,
.page-head__en::after {
  content: "";
  display: inline-block;
  width: .14em;
  height: .14em;
  margin-left: .06em;
  background: var(--c-blue);
}
.sec-head__ja,
.page-head__ja {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  letter-spacing: .1em;
}
.sec-head__ja::before,
.page-head__ja::before {
  content: "";
  flex-shrink: 0;
  width: 32px;
  height: 2px;
  background: var(--c-blue);
}

/* 見出しと「もっと見る」ボタンを横並びにする行 */
.sec-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.sec-head-row__side { max-width: 440px; }
.sec-head-row__side p { color: var(--c-ink-sub); }
.sec-head-row__side .btn { margin-top: 24px; }

/* ---------- ヒーロー（トップページ最上部） ---------- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding-block: calc(var(--header-h) + 40px) 120px;
  overflow: hidden;
  background: var(--c-dark);
  color: #fff;
}
.hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: hero-zoom 14s var(--ease) both;
}
/* 写真の上に黒→ブルーのグラデーションを重ねて文字を読みやすくする */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, rgba(11, 13, 18, .94) 0%, rgba(11, 13, 18, .78) 45%, rgba(20, 60, 190, .55) 100%);
}
.hero__label {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--c-blue-light);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3em;
  animation: fade-in 1s .2s var(--ease) both;
}
.hero__label::before {
  content: "";
  width: 40px;
  height: 1px;
  background: currentColor;
}
.hero__title {
  margin-top: 24px;
  font-family: var(--font-en);
  font-size: clamp(52px, 10vw, 136px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
}
/* 1行ずつ下からせり上がる演出 */
.hero__title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__title .line > span { display: block; animation: rise-up 1.1s var(--ease) both; }
.hero__title .line:nth-child(2) > span { animation-delay: .12s; }
.hero__title em { color: var(--c-blue-light); font-style: normal; }
/* 日本語のメインキャッチ「成長を共に」（英字より字間を広げて落ち着いた印象に） */
.hero__title--ja {
  font-family: var(--font-ja);
  font-size: clamp(44px, 8vw, 104px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .12em;
}
.hero__lead {
  max-width: 620px;
  margin-top: 24px;
  color: rgba(255, 255, 255, .88);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 2;
  animation: fade-in 1s .5s var(--ease) both;
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, .7);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .3em;
  transform: translateX(-50%);
}
.hero__scroll::after {
  content: "";
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, #fff 50%, rgba(255, 255, 255, .2) 50%);
  background-size: 100% 200%;
  animation: scroll-line 2.2s ease-in-out infinite;
}

/* スマホでは写真の右側（朝日と光の筋）が見えるように切り取り位置をずらす */
@media (max-width: 600px) {
  .hero__img { object-position: 72% center; }
}

@keyframes hero-zoom { from { transform: scale(1.12); } to { transform: scale(1); } }
@keyframes rise-up { from { transform: translateY(105%); } to { transform: none; } }
@keyframes fade-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes scroll-line { from { background-position: 0 100%; } to { background-position: 0 -100%; } }

/* ---------- ABOUT（トップ） ---------- */
.about__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.about__lead {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: .04em;
}
.about__lead em { color: var(--c-blue); font-style: normal; }
.about__text { margin-top: 28px; color: var(--c-ink-sub); }
.about__pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1px solid var(--c-ink);
}
.about__pillar { padding: 20px 16px 0 0; }
.about__pillar-num {
  color: var(--c-blue);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
}
.about__pillar-en {
  display: block;
  margin-top: 6px;
  font-family: var(--font-en);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.3;
}
.about__pillar-ja { display: block; color: var(--c-muted); font-size: 13px; }

@media (max-width: 768px) {
  .about__grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .about__pillars { grid-template-columns: 1fr; }
  .about__pillar {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--c-line);
  }
  .about__pillar-en { margin-top: 0; }
  .about__pillar-ja { margin-left: auto; }
}

/* ---------- 事業カード（トップ） ---------- */
.biz-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 32px);
  margin-top: clamp(40px, 5vw, 64px);
}
.biz-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.biz-card__link:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -24px rgba(11, 13, 18, .35);
}
.biz-card__img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--c-dark);
}
.biz-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.biz-card__link:hover .biz-card__img img { transform: scale(1.06); }
.biz-card__num {
  position: absolute;
  left: 0; bottom: 0;
  padding: 10px 16px;
  background: var(--c-blue);
  color: #fff;
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
}
.biz-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 28px 28px 32px;
}
.biz-card__en {
  color: var(--c-blue);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .24em;
}
.biz-card__title { margin-top: 8px; font-size: 22px; font-weight: 700; line-height: 1.5; }
.biz-card__text {
  flex: 1;
  margin-top: 14px;
  color: var(--c-ink-sub);
  font-size: 14px;
}
.biz-card__more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
}
.biz-card__link:hover .arrow { width: 40px; }

@media (max-width: 900px) {
  .biz-cards { grid-template-columns: 1fr; }
}
/* タブレット幅では「画像左・文章右」の横並びカードにする */
@media (min-width: 601px) and (max-width: 900px) {
  .biz-card__link { flex-direction: row; }
  .biz-card__img { flex: 0 0 42%; aspect-ratio: auto; min-height: 240px; }
  .biz-card__body { padding: 28px; }
}

/* ---------- お問い合わせ誘導帯（CTA） ---------- */
.cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(72px, 10vw, 128px);
  background: linear-gradient(120deg, #1446c8 0%, #1e5eff 60%, #3b7bff 100%);
  color: #fff;
}
/* 背景に大きく薄い「CONTACT」の文字を敷く */
.cta::before {
  content: "CONTACT";
  position: absolute;
  right: -2%;
  bottom: -.18em;
  z-index: -1;
  color: rgba(255, 255, 255, .08);
  font-family: var(--font-en);
  font-size: clamp(100px, 20vw, 300px);
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}
.cta__en {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3em;
  opacity: .8;
}
.cta__title {
  margin-top: 12px;
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.6;
}
.cta__text { margin-top: 12px; font-size: 15px; opacity: .88; }

/* ---------- フッター ---------- */
.site-footer {
  background: var(--c-dark);
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  padding-block: 64px 48px;
}
.site-footer .logo { color: #fff; }
.site-footer__address { margin-top: 20px; line-height: 1.9; }
.fnav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}
.fnav__list a { transition: color .3s; }
.fnav__list a:hover { color: #fff; }
.site-footer__bottom {
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 12px;
}
.site-footer__bottom .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer__bottom a:hover { color: #fff; }

/* ページトップへ戻るボタン */
.page-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background: var(--c-ink);
  border: 0;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s, visibility .3s, transform .3s var(--ease), background-color .3s;
}
.page-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.page-top:hover { background: var(--c-blue); }
.page-top__arrow {
  width: 10px;
  height: 10px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  transform: translateY(2px) rotate(45deg);
}

/* ---------- 下層ページの見出しエリア ---------- */
.page-head {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(56px, 8vw, 112px)) 0 clamp(48px, 6vw, 80px);
  border-bottom: 1px solid var(--c-line);
}
/* 右側にうっすらドット模様（テック感の演出） */
.page-head::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: min(50%, 600px);
  height: 100%;
  background-image: radial-gradient(var(--c-line-strong) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(to left, #000 10%, transparent);
  mask-image: linear-gradient(to left, #000 10%, transparent);
  pointer-events: none;
}
.page-head__en {
  position: relative;
  font-family: var(--font-en);
  font-size: clamp(52px, 10vw, 136px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
}
.page-head__ja { position: relative; }

/* パンくずリスト（今いるページの位置を示す案内） */
.breadcrumb {
  position: relative;
  margin-top: 40px;
  color: var(--c-muted);
  font-size: 12px;
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--c-line-strong); }
.breadcrumb a { transition: color .3s; }
.breadcrumb a:hover { color: var(--c-blue); }

/* 本文の導入文（下層ページ共通） */
.intro {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
}
.intro__title {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.7;
}
.intro__title em { color: var(--c-blue); font-style: normal; }
.intro__text { margin-top: 24px; color: var(--c-ink-sub); }

@media (max-width: 600px) {
  .intro { text-align: left; }
}

/* ---------- 事業内容ページ ---------- */
.biz-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.biz-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  border: 1px solid var(--c-ink);
  font-weight: 700;
  transition: background-color .3s, color .3s;
}
.biz-nav a:hover { background: var(--c-ink); color: #fff; }
.biz-nav__num {
  color: var(--c-blue);
  font-family: var(--font-en);
  font-weight: 800;
}
/* 下向き矢印 */
.biz-nav__icon {
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-3px) rotate(45deg);
}

.biz-detail { padding-block: clamp(64px, 9vw, 120px); }
.biz-detail + .biz-detail { border-top: 1px solid var(--c-line); }
.biz-detail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
/* 偶数番目は写真と文章を左右反転（ジグザグ配置） */
.biz-detail--reverse .biz-detail__media { order: 2; }
.biz-detail__media {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.biz-detail__img {
  aspect-ratio: 4 / 3.2;
  overflow: hidden;
  background: var(--c-dark);
}
.biz-detail__img img { width: 100%; height: 100%; object-fit: cover; }
.biz-detail__label {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-family: var(--font-en);
}
.biz-detail__label-num {
  color: var(--c-blue);
  font-size: clamp(56px, 6vw, 80px);
  font-weight: 800;
  line-height: 1;
}
.biz-detail__label-en {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .24em;
}
.biz-detail__title {
  margin-top: 16px;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.5;
}
.biz-detail__lead { margin-top: 20px; color: var(--c-ink-sub); }
.biz-detail__sub {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-ink);
  font-size: 15px;
  font-weight: 700;
}
.biz-detail__sub::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-blue);
}

/* チェックマーク付きリスト */
.check-list li {
  position: relative;
  padding: 14px 0 14px 32px;
  border-bottom: 1px dashed var(--c-line);
  font-size: 15px;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.35em;
  width: 14px;
  height: 7px;
  border-left: 2px solid var(--c-blue);
  border-bottom: 2px solid var(--c-blue);
  transform: rotate(-45deg);
}

/* 「こんな方におすすめ」ボックス */
.target-box {
  margin-top: 32px;
  padding: 24px 28px;
  background: var(--c-bg-soft);
}
.target-box__title { font-size: 15px; font-weight: 700; }
.target-box li {
  position: relative;
  margin-top: 8px;
  padding-left: 18px;
  color: var(--c-ink-sub);
  font-size: 14px;
}
.target-box li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 6px;
  height: 6px;
  background: var(--c-ink);
  border-radius: 50%;
}

@media (max-width: 900px) {
  .biz-nav { grid-template-columns: 1fr; }
  .biz-detail__grid { grid-template-columns: 1fr; }
  .biz-detail--reverse .biz-detail__media { order: 0; }
  .biz-detail__media { position: static; }
}

/* ---------- 企業理念ページ ---------- */
.philosophy { text-align: center; }
.philosophy__catch {
  margin-top: 48px;
  font-size: clamp(26px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .06em;
}
.philosophy__catch em { color: var(--c-blue); font-style: normal; }
.philosophy__text {
  max-width: 720px;
  margin: 32px auto 0;
  color: var(--c-ink-sub);
}
.philosophy .sec-head { display: inline-block; text-align: left; }

/* 社名の由来「RISE × ASSIST = RISIS」 */
.name-origin {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 24px);
  margin-top: 64px;
}
.name-origin__item {
  min-width: 200px;
  padding: 24px 28px;
  border: 1px solid var(--c-ink);
  text-align: center;
}
.name-origin__item--result { background: var(--c-ink); color: #fff; }
.name-origin__en {
  font-family: var(--font-en);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .04em;
}
.name-origin__item--result .name-origin__en::after {
  content: "";
  display: inline-block;
  width: .22em;
  height: .22em;
  margin-left: .08em;
  background: var(--c-blue);
}
.name-origin__ja { margin-top: 6px; color: var(--c-muted); font-size: 13px; }
.name-origin__item--result .name-origin__ja { color: rgba(255, 255, 255, .75); }
.name-origin__op {
  color: var(--c-blue);
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 600;
}

@media (max-width: 700px) {
  .name-origin { flex-direction: column; }
  .name-origin__item { width: 100%; max-width: 360px; }
}

/* 横長の写真帯 */
.photo-band {
  position: relative;
  height: clamp(220px, 32vw, 440px);
  overflow: hidden;
  background: var(--c-dark);
}
/* セミナー写真：スクリーンの題名・代表・受講者の頭が帯に収まるよう、切り取り位置を下寄り（68%）にする */
.photo-band img { width: 100%; height: 100%; object-fit: cover; object-position: center 68%; }

.values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 56px;
}
.value {
  padding: 36px 32px 40px;
  background: #fff;
  border-top: 3px solid var(--c-ink);
}
.value__num {
  color: var(--c-blue);
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .2em;
}
.value__en {
  margin-top: 20px;
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
}
.value__title { margin-top: 8px; font-size: 18px; font-weight: 700; }
.value__text { margin-top: 16px; color: var(--c-ink-sub); font-size: 14px; }

.message__grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
  margin-top: 56px;
}
/* 代表写真（写真の読み込み前はドット模様の枠を表示） */
.message__photo {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background-color: var(--c-bg-soft);
  background-image: radial-gradient(var(--c-line-strong) 1.2px, transparent 1.2px);
  background-size: 18px 18px;
  color: var(--c-muted);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .2em;
  text-align: center;
}
.message__photo img { width: 100%; height: 100%; object-fit: cover; }

.message__body p + p { margin-top: 1.4em; }
.message__body p { color: var(--c-ink-sub); }
.message__sign { margin-top: 48px; text-align: right; }
.message__sign-role { color: var(--c-muted); font-size: 13px; }
.message__sign-name {
  display: block;
  margin-top: 4px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .2em;
}

@media (max-width: 900px) {
  .values { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .message__grid { grid-template-columns: 1fr; }
  .message__photo { max-width: 360px; }
}

/* ---------- 会社概要ページ ---------- */
.company-table {
  max-width: 960px;
  margin-inline: auto;
  border-top: 2px solid var(--c-ink);
}
.company-table__row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  border-bottom: 1px solid var(--c-line);
}
.company-table dt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 16px;
  font-weight: 700;
}
.company-table dt::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--c-blue);
}
.company-table dd {
  padding: 24px 16px;
  color: var(--c-ink-sub);
}

@media (max-width: 600px) {
  .company-table__row { grid-template-columns: 1fr; }
  .company-table dt { padding: 20px 0 0; }
  .company-table dd { padding: 6px 0 20px 16px; }
}

/* ---------- お問い合わせ（メールで受付） ---------- */
.contact-box {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}
.contact-box__lead { color: var(--c-ink-sub); }
.contact-box__label {
  margin-top: 48px;
  color: var(--c-blue);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .3em;
}
/* メールアドレス（大きく表示。長くても途中で折れないようにする） */
.contact-box__mail {
  margin-top: 8px;
  font-family: var(--font-en);
  font-size: clamp(20px, 3.6vw, 34px);
  font-weight: 700;
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}
.contact-box__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}
/* コピー完了のお知らせ（普段は空で高さだけ確保） */
.contact-box__copied {
  min-height: 1.9em;
  margin-top: 12px;
  color: var(--c-blue);
  font-size: 14px;
  font-weight: 700;
}
.contact-box__guide {
  margin-top: 24px;
  padding: 28px 32px;
  background: var(--c-bg-soft);
  text-align: left;
}
.contact-box__guide-title { font-size: 15px; font-weight: 700; }
.contact-box__guide li {
  position: relative;
  margin-top: 8px;
  padding-left: 18px;
  color: var(--c-ink-sub);
  font-size: 14px;
}
.contact-box__guide li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 6px;
  height: 6px;
  background: var(--c-blue);
}
.contact-box__note { margin-top: 24px; color: var(--c-muted); font-size: 13px; }
.contact-box__note a { color: var(--c-blue); text-decoration: underline; }

@media (max-width: 600px) {
  .contact-box__actions .btn { width: 100%; }
  .contact-box__guide { padding: 24px 20px; }
}

/* ---------- 文章ページ（プライバシーポリシー） ---------- */
.prose { max-width: 860px; margin-inline: auto; }
.prose > p:first-child { margin-top: 0; }
.prose h2 {
  margin-top: 56px;
  padding-left: 16px;
  border-left: 3px solid var(--c-blue);
  font-size: 20px;
  line-height: 1.5;
}
.prose p,
.prose ul { margin-top: 16px; color: var(--c-ink-sub); }
.prose ul li { position: relative; padding-left: 1.2em; }
.prose ul li::before { content: "・"; position: absolute; left: 0; }

/* ---------- スクロール時のフェードイン ---------- */
/* JSが動く環境でだけ隠す（JSが無効でも内容は必ず見える） */
.js .js-fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.js .js-fade.is-visible { opacity: 1; transform: none; }

/* ---------- 動きを減らす設定の人への配慮 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js .js-fade { opacity: 1; transform: none; }
}