/* ============================================
   Blair — ライブ配信事務所 スタイルシート
   トーン: クリーム背景 × ダスティピンク × ゴールド
   ============================================ */

:root {
  --cream: #faf8f2;
  --cream-deep: #f4efe4;
  --pink: #d87a77;
  --pink-soft: #f7e6e3;
  --gold: #dfc268;
  --ink: #453c35;
  --ink-light: #7d736a;
  --white: #ffffff;
  --line: #06c755;
  --radius-card: 20px;
  --font-en: "Outfit", sans-serif;
  --font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.9;
  color: var(--ink);
  background: var(--cream);
  overflow-x: hidden;
  letter-spacing: .03em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; }
.section { padding: 104px 0; }

.pc { display: inline; }
.sp { display: none; }

/* メニュー展開中は背面のスクロールをロック */
body.menu-open { overflow: hidden; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .06em;
  white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}
.btn:hover { transform: translateY(-2px); opacity: .92; }
.btn--primary {
  background: var(--pink);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(216, 122, 119, .35);
}
.btn--ghost {
  background: var(--white);
  color: var(--pink);
  border: 1.5px solid var(--pink);
}
.btn--line {
  background: var(--line);
  color: var(--white);
  box-shadow: 0 6px 18px rgba(6, 199, 85, .3);
}
.btn--lg { padding: 16px 36px; font-size: 15px; }
.btn__icon { width: 20px; height: 20px; }

/* ---------- ヘッダー ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .3s ease, box-shadow .3s ease;
}
.header.is-scrolled {
  background: rgba(250, 248, 242, .92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 16px rgba(69, 60, 53, .08);
}
.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.header__logo {
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.header__logo-sub {
  font-family: var(--font-jp);
  font-size: 10px;
  font-weight: 400;
  color: var(--ink-light);
  letter-spacing: .12em;
}
.header__nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-size: 13.5px;
  font-weight: 500;
}
.header__nav a { position: relative; padding: 4px 0; }
.header__nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--pink);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.header__nav a:hover::after { transform: scaleX(1); }
.header__cta { flex-shrink: 0; }
.header__menu { display: none; }
.header__nav-cta { display: none; }

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  min-height: 640px;
  height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg,
    rgba(250, 248, 242, .95) 0%,
    rgba(250, 248, 242, .82) 34%,
    rgba(250, 248, 242, .25) 62%,
    rgba(250, 248, 242, 0) 80%);
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  padding: 90px 24px 0;
}
.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .32em;
  color: var(--pink);
  margin-bottom: 18px;
}
.hero__title {
  font-size: clamp(28px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1.62;
  letter-spacing: .06em;
}
.hero__sub {
  margin-top: 20px;
  font-size: 15px;
  color: var(--ink-light);
  letter-spacing: .1em;
}
.hero__sub strong {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 600;
  color: var(--pink);
  margin-left: 4px;
}
.hero__actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- セクション見出し ---------- */
.sec-head { margin-bottom: 28px; }
.sec-head h2 {
  font-family: var(--font-en);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: .02em;
  line-height: 1.2;
}
.sec-head__jp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--pink);
  letter-spacing: .1em;
}
.sec-head__jp::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: var(--pink);
}
.sec-head--center { text-align: center; }
.sec-head--center .sec-head__jp::before { display: none; }
.sec-lead { margin-bottom: 44px; color: var(--ink-light); }

/* ---------- Message ---------- */
.message { background: var(--cream); }
.message__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 40px;
}
.message__lead {
  font-size: 17px;
  font-weight: 500;
  line-height: 2.1;
}
.message__for {
  margin: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.message__for li {
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.7;
  display: flex;
  align-items: center;
  gap: 14px;
}
.message__for li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.message__for li:nth-child(2)::before { background: var(--pink); }
.message__for li:nth-child(3)::before { background: #a8c47e; }
.message__for li:nth-child(4)::before { background: #e3a06b; }
.message__body {
  font-size: 17px;
  font-weight: 500;
  line-height: 2.1;
}
.message__sign {
  margin-top: 26px;
  font-size: 15px;
  color: var(--ink-light);
  padding-left: 16px;
  border-left: 3px solid var(--pink);
}
.message__photo img {
  border-radius: var(--radius-card);
  box-shadow: 0 16px 40px rgba(69, 60, 53, .14);
}

/* ---------- Support ---------- */
.support { background: var(--white); }
.support__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.support__card {
  background: var(--cream);
  border-radius: var(--radius-card);
  padding: 34px 28px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.support__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(69, 60, 53, .1);
}
.support__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--pink-soft);
  color: var(--pink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.support__icon svg { width: 28px; height: 28px; }
.support__card h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: .04em;
}
.support__card p { font-size: 13.5px; color: var(--ink-light); }

/* ---------- Voice ---------- */
.voice { background: var(--pink-soft); }
.voice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.voice__card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 30px 26px;
  box-shadow: 0 8px 24px rgba(216, 122, 119, .12);
}
.voice__person {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.voice__avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--pink-soft);
}
.voice__name { font-weight: 700; font-size: 15px; }
.voice__meta { font-size: 12px; color: var(--ink-light); }
.voice__quote { font-size: 13.5px; color: var(--ink); }

/* ---------- Flow ---------- */
.flow { background: var(--cream); }
.flow__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 44px;
  counter-reset: step;
}
.flow__step {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 30px 24px 26px;
  box-shadow: 0 6px 20px rgba(69, 60, 53, .06);
}
.flow__step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -16px;
  width: 12px;
  height: 12px;
  border-top: 2.5px solid var(--pink);
  border-right: 2.5px solid var(--pink);
  transform: translateY(-50%) rotate(45deg);
}
.flow__num {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 600;
  color: var(--pink);
  display: block;
  margin-bottom: 10px;
  line-height: 1;
}
.flow__step h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: .04em;
}
.flow__step p { font-size: 13px; color: var(--ink-light); }

/* ---------- FAQ ---------- */
.faq { background: var(--white); }
.faq__list {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq__item {
  background: var(--cream);
  border-radius: 14px;
  overflow: hidden;
}
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 56px 20px 24px;
  font-weight: 700;
  font-size: 15px;
  position: relative;
  letter-spacing: .04em;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before {
  content: "Q";
  font-family: var(--font-en);
  color: var(--pink);
  font-weight: 600;
  margin-right: 14px;
}
.faq__item summary::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--pink);
  border-bottom: 2px solid var(--pink);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s ease;
}
.faq__item[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq__item p {
  padding: 0 24px 22px 24px;
  font-size: 14px;
  color: var(--ink-light);
}

/* ---------- Company ---------- */
.company { background: var(--cream); }
.company__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 44px;
}
.company__table { width: 100%; }
.company__row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 20px 8px;
  border-bottom: 1px solid rgba(69, 60, 53, .14);
}
.company__row:first-child { border-top: 1px solid rgba(69, 60, 53, .14); }
.company__row dt {
  font-weight: 700;
  font-size: 14px;
  color: var(--pink);
  letter-spacing: .08em;
}
.company__row dd { font-size: 14.5px; }
.company__map {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(69, 60, 53, .12);
  line-height: 0;
}
.company__map iframe {
  width: 100%;
  height: 340px;
  border: 0;
}
.company__pin {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -100%);
  width: 40px;
  height: 40px;
  pointer-events: none;
  filter: drop-shadow(0 3px 5px rgba(0, 0, 0, .3));
}
.company__map-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--pink);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.company__map-link:hover { opacity: .8; }

/* ---------- Contact ---------- */
.contact {
  background: linear-gradient(160deg, var(--pink-soft) 0%, var(--cream) 100%);
}
.contact__box {
  margin-top: 36px;
  background: var(--white);
  border-radius: 28px;
  padding: 56px 40px;
  text-align: center;
  box-shadow: 0 18px 48px rgba(216, 122, 119, .16);
}
.contact__title {
  font-size: clamp(21px, 3vw, 26px);
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 16px;
}
.contact__text { color: var(--ink-light); margin-bottom: 32px; }
.contact__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.contact__qr {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.contact__qr img {
  border-radius: 12px;
  border: 1px solid rgba(69, 60, 53, .12);
  background: var(--white);
  padding: 6px;
}
.contact__qr p {
  font-size: 12.5px;
  color: var(--ink-light);
  text-align: left;
  line-height: 1.8;
}
.contact__note {
  margin-top: 22px;
  font-size: 12px;
  color: var(--ink-light);
}

/* ---------- フッター ---------- */
.footer {
  background: #4a413a;
  color: var(--cream);
  padding: 48px 0 36px;
}
.footer__inner { text-align: center; }
.footer__logo {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer__nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-size: 13px;
  margin-bottom: 28px;
}
.footer__nav a { opacity: .85; transition: opacity .2s; }
.footer__nav a:hover { opacity: 1; }
.footer__company {
  font-size: 12px;
  opacity: .75;
  margin-bottom: 10px;
  letter-spacing: .04em;
}
.footer__copy {
  font-family: var(--font-en);
  font-size: 12px;
  opacity: .6;
  letter-spacing: .08em;
}

/* ---------- フェードイン ---------- */
.js-fade {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease, transform .8s ease;
}
.js-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 900px) {
  .support__grid { grid-template-columns: repeat(2, 1fr); }
  .voice__grid { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .flow__steps { grid-template-columns: repeat(2, 1fr); }
  .flow__step:nth-child(2)::after { display: none; }
}

@media (max-width: 768px) {
  .pc { display: none; }
  .sp { display: inline; }
  .section { padding: 72px 0; }

  /* ヘッダー（モバイルメニュー） */
  .header__inner { padding: 12px 18px; gap: 14px; }
  .header__cta { display: none; }
  .header__menu {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    margin-left: auto;
    width: 44px;
    height: 44px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(69, 60, 53, .12);
    cursor: pointer;
    align-items: center;
    z-index: 110;
  }
  .header__menu span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--pink);
    transition: transform .3s ease, opacity .3s ease;
  }
  .header.is-open .header__menu span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header.is-open .header__menu span:nth-child(2) { opacity: 0; }
  .header.is-open .header__menu span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .header__nav {
    position: fixed;
    inset: 0;
    background: rgba(250, 248, 242, .97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    font-size: 17px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
  }
  .header.is-open .header__nav { opacity: 1; pointer-events: auto; }
  /* backdrop-filterはfixed子要素の基準をヘッダー自身に変えてしまうため、
     メニュー展開中は無効化（全画面オーバーレイが潰れるのを防ぐ） */
  .header.is-open {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: transparent;
    box-shadow: none;
  }
  .header__nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 14px 36px;
    border-radius: 50px;
    background: var(--pink);
    color: var(--white);
    font-weight: 500;
    box-shadow: 0 6px 18px rgba(216, 122, 119, .35);
  }
  .header__nav-cta::after { display: none; }

  /* ヒーロー */
  .hero { min-height: 560px; height: 88vh; }
  .hero__img { object-position: 62% center; }
  .hero__overlay {
    background: linear-gradient(180deg,
      rgba(250, 248, 242, .55) 0%,
      rgba(250, 248, 242, .28) 40%,
      rgba(250, 248, 242, .88) 78%,
      rgba(250, 248, 242, .96) 100%);
  }
  .hero { align-items: flex-end; }
  .hero__content { padding: 0 22px 56px; }
  .hero__title { font-size: clamp(24px, 6.8vw, 32px); }
  .hero__actions .btn { width: 100%; }
  .hero__actions { flex-direction: column; gap: 12px; }

  .message__grid { grid-template-columns: 1fr; gap: 36px; }
  .support__grid { grid-template-columns: 1fr; }
  .company__grid { grid-template-columns: 1fr; gap: 32px; }
  .company__row { grid-template-columns: 92px 1fr; gap: 14px; }
  .company__map iframe { height: 280px; }
  .flow__steps { grid-template-columns: 1fr; }
  .flow__step:not(:last-child)::after {
    top: auto;
    bottom: -16px;
    right: 50%;
    transform: translateX(50%) rotate(135deg);
  }
  .contact__box { padding: 40px 18px; }
  .contact__actions .btn { width: 100%; }
  .contact__qr { display: none; }

  /* 長文ボタン（LINE等）が折り返さないようサイズ調整 */
  .btn--lg { padding-left: 18px; padding-right: 18px; font-size: 14px; letter-spacing: .03em; }
}

@media (max-width: 350px) {
  .btn--lg { padding-left: 12px; padding-right: 12px; font-size: 12.5px; }
  .btn__icon { width: 18px; height: 18px; }
}