/* =========================================================
   Direct Sourcing — common.css（全ページ共通）
   方針：白・薄灰・黒が基本。ロゴ色は全体の5%以下（点・線・ぼかし・ホバー）
   ========================================================= */

:root {
  /* Color */
  --white: #ffffff;
  --paper: #f5f6f7;          /* 薄灰（わずかに青寄り） */
  --ink: #111214;            /* 文字・黒ボタン */
  --ink-2: #5f6368;          /* 補助テキスト */
  --line: #e4e6e8;           /* 罫線 */
  --brand-sky: #2eb8de;      /* ロゴ：水色 */
  --brand-blue: #3a8ac8;     /* ロゴ：青 */
  --brand-teal: #1a9bb0;     /* ロゴ：ティール */

  /* Type */
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;

  --fs-display: clamp(56px, 9vw, 136px);  /* 英字セクション見出し */
  --fs-hero: clamp(32px, 4.2vw, 56px);    /* ファーストビュー */
  --fs-h2: clamp(24px, 2.6vw, 36px);
  --fs-h3: clamp(18px, 1.6vw, 22px);
  --fs-lead: clamp(16px, 1.4vw, 20px);
  --fs-body: 16px;
  --fs-small: 13px;

  /* Layout */
  --container: 1136px;
  --gutter-l: max(24px, env(safe-area-inset-left, 0px));
  --gutter-r: max(24px, env(safe-area-inset-right, 0px));
  --section-y: clamp(96px, 12vw, 168px);
  --header-h: 80px;
  --radius-pill: 999px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-ja);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; word-break: auto-phrase; font-weight: 300; line-height: 1.5; }
.nowrap { white-space: nowrap; }
:focus-visible { outline: 2px solid var(--brand-blue); outline-offset: 3px; }

.container {
  width: 100%;
  max-width: calc(var(--container) + 48px);
  margin-inline: auto;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
}
.section { padding-block: var(--section-y); position: relative; }
.section--paper { background: var(--paper); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- セクション見出し：英字が目印（主役）、日本語は補足 ----------
   大きさは下の変数で決める。スマホ幅(390px)で --en-min、PC幅(1440px)で --en-max、その間はなめらかに変わる */
:root { --en-min: 40; --en-max: 72; --ja-min: 15; --ja-max: 18; }
.sec-head { display: grid; gap: 16px; margin-bottom: clamp(48px, 6vw, 80px); }
.sec-head__en, .cta-band__en, .col-head__en {
  font-family: var(--font-en); font-weight: 200; line-height: 1; letter-spacing: .01em;
  font-size: clamp(calc(var(--en-min) * 1px), calc(var(--en-min) * 1px + (var(--en-max) - var(--en-min)) * (100vw - 390px) / 1050), calc(var(--en-max) * 1px));
}
.sec-head__ja, .col-head__ja {
  font-size: clamp(calc(var(--ja-min) * 1px), calc(var(--ja-min) * 1px + (var(--ja-max) - var(--ja-min)) * (100vw - 390px) / 1050), calc(var(--ja-max) * 1px));
  font-weight: 400; line-height: 1.7; letter-spacing: .08em; color: var(--ink-2);
  word-break: keep-all; overflow-wrap: anywhere;
}
.sec-head--row { grid-template-columns: 1fr auto; align-items: end; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 0 32px;
  border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 500; letter-spacing: .08em; line-height: 1;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  white-space: nowrap;
}
.btn--dark { background: var(--ink); color: var(--white); }
.btn--dark:hover { background: var(--brand-blue); }
.btn--line { border: 1px solid var(--ink); color: var(--ink); }
.btn--line:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.btn--white { background: var(--white); color: var(--ink); }
.btn--white:hover { background: var(--brand-sky); color: var(--white); }
.btn--sm { min-height: 40px; padding: 0 20px; font-size: 13px; }
.btn__arrow { width: 14px; height: 14px; flex: none; }

.text-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: 14px; letter-spacing: .12em;
  border-bottom: 1px solid currentColor; padding-bottom: 4px;
  transition: color .3s var(--ease);
}
.text-link:hover { color: var(--brand-blue); }

/* ---------- ヘッダー ---------- */
body::before {
  content: ""; position: fixed; inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--white);
}
.header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.header.is-scrolled { border-bottom-color: var(--line); }
.header__inner {
  height: var(--header-h);
  display: flex; align-items: center; gap: 32px;
  max-width: 1440px; margin-inline: auto;
  padding-left: var(--gutter-l); padding-right: var(--gutter-r);
}
.header__logo { flex: none; }
.header__logo img { height: 34px; width: auto; }
.gnav { margin-left: auto; }
.gnav__list { display: flex; gap: 28px; font-size: 14px; letter-spacing: .06em; }
.gnav__list a { position: relative; padding-block: 8px; }
.gnav__list a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1px;
  background: var(--brand-blue); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.gnav__list a:hover::after { transform: scaleX(1); }
.header__cta { display: flex; gap: 10px; }
.menu-btn { display: none; }
.header__sp-cta { display: none; }
.lang-sw { margin-left: -12px; padding: 6px 2px; font-family: var(--font-en); font-size: 12px; letter-spacing: .12em; color: var(--ink-2); transition: color .2s; }
.lang-sw:hover { color: var(--ink); }
.gnav__list a { white-space: nowrap; }
@media (max-width: 1260px) { .header__inner { gap: 20px; } .gnav__list { gap: 18px; } .lang-sw { margin-left: -6px; } }

@media (max-width: 1080px) {
  .gnav, .header__cta { display: none; }
  .header__sp-cta { display: inline-flex; margin-left: auto; }
  .lang-sw { margin-left: 0; }
  .header__inner { gap: 14px; }
  .menu-btn {
    display: grid; place-items: center; margin-left: 4px;
    width: 44px; height: 44px; border: 0; background: none; cursor: pointer; padding: 0;
  }
  .menu-btn span, .menu-btn span::before, .menu-btn span::after {
    display: block; width: 22px; height: 1px; background: var(--ink); position: relative;
    transition: transform .3s var(--ease), background .3s;
  }
  .menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; }
  .menu-btn span::before { top: -7px; }
  .menu-btn span::after { top: 7px; }
  .is-menu-open .menu-btn span { background: transparent; }
  .is-menu-open .menu-btn span::before { transform: translateY(7px) rotate(45deg); }
  .is-menu-open .menu-btn span::after { transform: translateY(-7px) rotate(-45deg); }
}
.drawer {
  position: fixed; inset: calc(var(--header-h) + env(safe-area-inset-top, 0px)) 0 0;
  z-index: 49; background: var(--white);
  padding: 32px var(--gutter-r) 48px var(--gutter-l);
  overflow-y: auto;
  display: none;
}
.is-menu-open .drawer { display: block; }
.drawer__list { display: grid; border-top: 1px solid var(--line); }
.drawer__list a { display: block; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
.drawer__cta { display: grid; gap: 12px; margin-top: 32px; }

/* ---------- 事例カード（トップ・各サービスページ共通） ---------- */
.cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.case-card { display: grid; gap: 18px; align-content: start; }
.case-card__img { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 4px; background: var(--paper); }
.case-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.case-card:hover .case-card__img img { transform: scale(1.04); }
.case-card__co { font-size: 13px; color: var(--ink-2); letter-spacing: .1em; }
.case-card__title { font-size: 16px; font-weight: 400; line-height: 1.8; }
@media (max-width: 860px) { .cases { grid-template-columns: 1fr; } }

/* ---------- 最終CTA ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--white);
  padding-block: clamp(96px, 11vw, 152px);
}
.cta-band .blob { opacity: .55; }
.cta-band__inner { position: relative; display: grid; gap: 32px; }
.cta-band__title { font-size: var(--fs-h2); font-weight: 300; line-height: 1.6; }
.cta-band__actions { margin-top: 8px; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta-band .btn--line { border-color: rgba(255,255,255,.6); color: var(--white); }
.cta-band .btn--line:hover { border-color: var(--brand-sky); color: var(--brand-sky); }

/* ---------- ぼかしの色（ブランド色の見せ場） ---------- */
.blob {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(70px); opacity: .5; z-index: 0;
  transform: translateZ(0); /* ぼかしを別の層で描く（上で動く図と重なっても、四角く崩れないように） */
}
.blob--sky  { background: var(--brand-sky); }
.blob--blue { background: var(--brand-blue); }
.blob--teal { background: var(--brand-teal); }

/* ---------- フッター ---------- */
.footer { background: var(--paper); padding-block: 88px 40px; font-size: 14px; }
.footer__top { display: grid; grid-template-columns: 1.2fr 3fr; gap: 48px; }
.footer__logo img { height: 40px; width: auto; }
.footer__addr { margin-top: 24px; color: var(--ink-2); font-size: 13px; line-height: 1.8; }
.footer__nav { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer__nav a { white-space: nowrap; }
.footer__nav > * { min-width: 0; }
@media (max-width: 600px) { .footer__nav a { white-space: normal; word-break: keep-all; overflow-wrap: anywhere; } }
.footer__nav h3 {
  font-family: var(--font-en); font-weight: 400; font-size: 12px;
  letter-spacing: .2em; color: var(--ink-2); margin-bottom: 16px;
}
.footer__nav li + li { margin-top: 8px; }
.footer__nav a:hover { color: var(--brand-blue); }
.footer__bottom {
  margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  color: var(--ink-2); font-size: 12px;
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 20px; }
.footer__right { display: flex; align-items: center; gap: 20px; }
.footer__sns { display: inline-flex; opacity: .75; transition: opacity .3s; }
.footer__sns:hover { opacity: 1; }
@media (max-width: 900px) {
  .footer__top { grid-template-columns: 1fr; }
  .footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* スマホ：横並びのボタン群は同じ幅で縦に並べる（全ページ共通） */
@media (max-width: 600px) {
  .cta-band__actions { flex-direction: column; align-items: stretch; max-width: 320px; }
  .cta-band__actions .btn { width: 100%; }
}

/* ---------- 表示アニメーション（静止状態でも読める） ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: reveal .9s var(--ease) both; }
  .reveal--d1 { animation-delay: .12s; }
  .reveal--d2 { animation-delay: .24s; }
  .reveal--d3 { animation-delay: .36s; }
  @keyframes reveal { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- ヘッダー：サービスのメニュー（.mega） ---------- */
.header__inner { position: relative; }
.gnav__has { position: static; }
.mega { position: absolute; left: var(--gutter-l); right: var(--gutter-r); top: calc(100% - 6px); padding-top: 6px; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .2s, transform .2s, visibility 0s .2s; }
.gnav__has:hover .mega, .gnav__has:focus-within .mega { opacity: 1; visibility: visible; transform: none; transition: opacity .2s, transform .2s; }
.mega__in { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 16px; padding: 24px 24px 18px; border-radius: 18px; background: #fff; border: 1px solid var(--line); box-shadow: 0 24px 60px rgba(17,18,20,.12); }
.mega__col { display: grid; align-content: start; gap: 6px; }
.mega__col + .mega__col { padding-left: 16px; border-left: 1px solid var(--line); }
.mega__h { padding: 0 12px 6px; font-size: 11px; letter-spacing: .12em; color: #9aa0a6; cursor: default; user-select: none; }
.mega__col ul { display: grid; gap: 2px; }
.gnav__list .mega a { display: grid; gap: 2px; padding: 10px 12px; border-radius: 10px; font-size: 14px; letter-spacing: .02em; transition: background .15s; }
.mega__n { font-weight: 500; }
.mega a small { font-size: 12px; line-height: 1.5; letter-spacing: .02em; color: var(--ink-2); }
.gnav__list .mega a::after { display: none; }
.gnav__list .mega a:hover { background: var(--paper); }
.gnav__list .mega a:hover .mega__n { color: var(--brand-blue); }
.gnav__list .mega .mega__more { display: inline-flex; grid-auto-flow: column; align-items: center; gap: 6px; justify-self: start; padding: 6px 12px; font-size: 12px; color: var(--ink-2); }
.gnav__list .mega .mega__all { grid-column: 1 / -1; display: flex; justify-content: flex-end; align-items: center; gap: 6px; margin-top: 12px; padding-top: 14px; border-radius: 0; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-2); }
/* スマホのメニュー：サービスをまとまりごとに */
.drawer__g { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.drawer__g > p { padding: 18px 0 4px; font-size: 17px; }
.drawer__sh { margin-top: 14px; font-size: 11px; letter-spacing: .12em; color: #9aa0a6; }
.drawer__list .drawer__g ul a { padding: 8px 0 8px 14px; border-bottom: 0; font-size: 15px; }
.drawer__g > .drawer__sh { padding: 0; margin-top: 18px; font-size: 11px; }
.drawer__list .drawer__g ul a.drawer__more { font-size: 13px; color: var(--ink-2); }
.drawer__list .drawer__g ul a small { display: block; margin-top: 1px; font-size: 12px; color: var(--ink-2); }
/* フッター：LinkedIn製品の子メニュー */
.footer__sub { display: grid; gap: 4px; margin: 6px 0 2px 12px; padding-left: 10px; border-left: 1px solid var(--line); font-size: 12px; }
/* LinkedIn製品ページ：製品の切り替えバー（.lnav） */
.lnav { position: sticky; top: var(--header-h); z-index: 40; background: rgba(245,246,247,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.lnav__in { display: flex; align-items: center; gap: 16px; min-height: 56px; }
.lnav__lb { flex: none; display: flex; align-items: center; gap: 8px; padding-right: 16px; border-right: 1px solid #d6d9dc; font-size: 12px; color: var(--ink-2); cursor: default; }
.lnav__lb img { width: 16px; height: auto; }
.lnav__ls { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.lnav__ls::-webkit-scrollbar { display: none; }
.lnav__ls a { flex: none; padding: 7px 14px; border-radius: 99px; font-size: 13px; color: var(--ink-2); white-space: nowrap; transition: background .2s, color .2s; }
.lnav__ls a:hover { color: var(--ink); background: #fff; }
.lnav__ls a.is-on { background: var(--ink); color: #fff; }
@media (max-width: 600px) { .lnav__lb { display: none; } .lnav__in { min-height: 46px; } }

/* ===== スマホ最適化：横にスクロールできるメニューは、右端をぼかして続きがあると分かるように ===== */
@media (max-width: 600px) {
  .lnav__ls { -webkit-mask-image: linear-gradient(90deg, #000 86%, transparent); mask-image: linear-gradient(90deg, #000 86%, transparent); padding-right: 28px; }
}

/* ===== スマホ：ボタンは本文と同じ幅いっぱいに（ファーストビュー・お問い合わせ帯） ===== */
@media (max-width: 600px) {
  .page-hero__actions, .hero__actions, .cta-band__actions { max-width: none !important; }
}

/* ===== スマホ：メニューを開いたとき、1画面ですべて見えるように（縦1列）
   左に小さな分類名、右にリンクを縦に並べる。説明文はスマホでは出さない ===== */
@media (max-width: 600px) {
  .drawer { padding-top: 4px; padding-bottom: 20px; }
  .drawer__list { display: block; border-top: 0; }
  .drawer__list a small, .drawer__list .drawer__more { display: none !important; }
  .drawer__g { display: grid; grid-template-columns: 84px minmax(0, 1fr); align-items: start; padding: 0 0 14px; border-bottom: 1px solid var(--line); }
  .drawer__g > p:first-child { grid-column: 1 / -1; padding: 10px 0 8px; font-family: var(--font-en); font-size: 11px; letter-spacing: .16em; color: #9aa0a6; }
  .drawer__g > .drawer__sh { grid-column: 1; margin: 0; padding: 7px 0 0; font-size: 11px; letter-spacing: .06em; color: var(--ink-2); }
  .drawer__g > ul { grid-column: 2; padding-bottom: 8px; }
  .drawer__g > ul:last-child { padding: 6px 0 0; border-top: 1px dashed var(--line); }
  .drawer__list .drawer__g ul a, .drawer__list > li > a { position: relative; display: block; padding: 4px 20px 4px 0; border-bottom: 0; font-size: 15px; line-height: 1.6; letter-spacing: .03em; }
  .drawer__list .drawer__g ul a::after, .drawer__list > li > a::after { content: ""; position: absolute; right: 4px; top: 50%; width: 6px; height: 6px; margin-top: -3px; border-top: 1px solid #b9bec4; border-right: 1px solid #b9bec4; transform: rotate(45deg); }
  .drawer__list .drawer__g ul a:active, .drawer__list > li > a:active { color: var(--brand-blue); }
  /* サービス以外：同じ右の列にそろえる */
  .drawer__list > li:not(.drawer__g) { position: relative; padding-left: 84px; }
  .drawer__g + li { padding-top: 10px; }
  .drawer__g + li::before { content: "その他"; position: absolute; left: 0; top: 17px; font-size: 11px; letter-spacing: .06em; color: var(--ink-2); }
  html[lang="en"] .drawer__g + li::before { content: "More"; }
  .drawer__cta { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
  .drawer__cta .btn { min-height: 46px; padding: 0 12px; font-size: 13px; }
}
@media (max-width: 600px) and (max-height: 760px) {
  .drawer__list .drawer__g ul a, .drawer__list > li > a { padding-block: 3px; font-size: 14px; }
  .drawer__g > .drawer__sh { padding-top: 5px; }
  .drawer__g > ul { padding-bottom: 6px; }
  .drawer__cta { margin-top: 12px; }
}

/* ===== スマホ：フッターのSERVICEは横幅いっぱいの1列に（サービス名が折り返さない）。LinkedIn製品の子メニューは横に並べる ===== */
@media (max-width: 600px) {
  .footer__nav { row-gap: 36px; }
  .footer__nav > div:first-child { grid-column: 1 / -1; }
  .footer__nav > div:first-child a { white-space: nowrap; }
  .footer__sub { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 6px 0 4px 2px; padding-left: 12px; }
  .footer__sub li + li { margin-top: 0; }
}
/* 英語版：幅の狭いスマホで、ヘッダーの「Free Consultation」が右にはみ出さないように */
@media (max-width: 400px) {
  html[lang="en"] .header__sp-cta { padding: 0 14px; font-size: 12px; letter-spacing: .02em; }
  html[lang="en"] .header__inner { gap: 10px; }
}
@media (max-width: 600px) and (max-height: 700px) {
  .drawer__list .drawer__g ul a, .drawer__list > li > a { padding-block: 1px; font-size: 13px; }
  .drawer__g > p:first-child { padding: 4px 0 4px; }
  .drawer__g > .drawer__sh { padding-top: 3px; font-size: 10px; }
  .drawer__g > ul { padding-bottom: 4px; }
  .drawer__g { padding-bottom: 8px; }
  .drawer__g + li { padding-top: 6px; }
  .drawer__g + li::before { top: 10px; }
  .drawer__cta { margin-top: 10px; }
  .drawer__cta .btn { min-height: 40px; }
}
@media (max-width: 380px) {
  html[lang="en"] .drawer__list .drawer__g ul a, html[lang="en"] .drawer__list > li > a { font-size: 13px; letter-spacing: 0; }
}