/* ============================================
   合同会社Coraggio コーポレートサイト
   カラーパレット
   #8aa2a9 / #90baad / #a1e5ab / #adf6b1
   ============================================ */

:root {
  --c-slate:   #8aa2a9;  /* 落ち着いたブルーグレー（ベース/見出し） */
  --c-sage:    #90baad;  /* セージグリーン（アクセント） */
  --c-green:   #a1e5ab;  /* ライトグリーン */
  --c-mint:    #adf6b1;  /* ミント（最も明るい） */

  --c-text:    #2b3a3d;
  --c-text-sub:#5d6f73;
  --c-bg:      #ffffff;
  --c-bg-tint: #f3f8f6;
  --c-border:  #e1ebe8;

  --radius: 16px;
  --shadow: 0 10px 30px rgba(138, 162, 169, 0.15);
  --shadow-sm: 0 4px 14px rgba(138, 162, 169, 0.12);
  --max: 1120px;
  --header-h: 70px;

  --grad: linear-gradient(135deg, var(--c-sage) 0%, var(--c-green) 60%, var(--c-mint) 100%);
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 24px; }
.pc-only { display: inline; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad);
  color: #1f3a30;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(144, 186, 173, 0.45); }
.btn--ghost {
  background: transparent;
  border-color: var(--c-slate);
  color: var(--c-slate);
}
.btn--ghost:hover { background: var(--c-slate); color: #fff; transform: translateY(-3px); }

/* ---------- ロゴ ---------- */
.logo {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: .02em;
  color: var(--c-slate);
}
.logo__dot { color: var(--c-sage); }
.logo--light { color: #fff; }
.logo--light .logo__dot { color: var(--c-mint); }

/* ============================================
   ヘッダー
   ============================================ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  z-index: 100;
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__list { display: flex; align-items: center; gap: 32px; }
.nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--c-text-sub);
  transition: color .2s;
}
.nav__link:hover { color: var(--c-sage); }
.nav__link--cta {
  background: var(--grad);
  color: #1f3a30;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 700;
}
.nav__link--cta:hover { color: #1f3a30; transform: translateY(-2px); }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-slate);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   ヒーロー
   ============================================ */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 90px) 0 110px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 70% at 80% 10%, rgba(173, 246, 177, 0.55), transparent 60%),
    radial-gradient(55% 60% at 10% 90%, rgba(144, 186, 173, 0.45), transparent 60%),
    linear-gradient(180deg, #f6fbf9 0%, #ffffff 100%);
}
.hero__eyebrow {
  font-family: "Montserrat", sans-serif;
  letter-spacing: .25em;
  font-size: 0.8rem;
  color: var(--c-sage);
  font-weight: 600;
  margin-bottom: 22px;
}
.hero__title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .01em;
  margin-bottom: 26px;
}
.hero__lead {
  font-size: 1.05rem;
  color: var(--c-text-sub);
  margin-bottom: 40px;
  max-width: 640px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================
   セクション共通
   ============================================ */
.section { padding: 100px 0; }
.section--tint { background: var(--c-bg-tint); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section__eyebrow {
  font-family: "Montserrat", sans-serif;
  letter-spacing: .25em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--c-sage);
  font-weight: 600;
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  font-weight: 700;
  margin-bottom: 16px;
}
.section__title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin: 16px auto 0;
  border-radius: 4px;
  background: var(--grad);
}
.section__desc { color: var(--c-text-sub); }

/* ---------- サービスカード ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  font-size: 1.9rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(161,229,171,.4), rgba(173,246,177,.55));
}
.card__title { font-size: 1.2rem; margin-bottom: 14px; }
.card__text { font-size: 0.95rem; color: var(--c-text-sub); text-align: left; }

/* ---------- 強み ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--c-sage);
}
.feature__num {
  font-family: "Montserrat", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--c-green);
  display: block;
  margin-bottom: 10px;
}
.feature__title { font-size: 1.15rem; margin-bottom: 12px; }
.feature__text { font-size: 0.95rem; color: var(--c-text-sub); }

/* ---------- 進め方 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: flow;
}
.flow__item {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px 26px;
}
.flow__step {
  display: inline-block;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: .1em;
  color: #1f3a30;
  background: var(--grad);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.flow__title { font-size: 1.1rem; margin-bottom: 10px; }
.flow__text { font-size: 0.93rem; color: var(--c-text-sub); }

/* ---------- 会社概要 ---------- */
.company { max-width: 720px; margin: 0 auto; }
.company__table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.company__table th,
.company__table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
  font-size: 0.95rem;
}
.company__table tr:last-child th,
.company__table tr:last-child td { border-bottom: none; }
.company__table th {
  width: 32%;
  background: var(--c-bg-tint);
  color: var(--c-slate);
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- お問い合わせ ---------- */
.section--contact { background: var(--c-bg-tint); }
.form { max-width: 720px; margin: 0 auto; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form__field { display: block; margin-bottom: 20px; }
.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}
.form__label em {
  font-style: normal;
  font-size: 0.72rem;
  color: #fff;
  background: var(--c-sage);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 6px;
}
.form input,
.form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--c-sage);
  box-shadow: 0 0 0 3px rgba(144, 186, 173, 0.25);
}
.form textarea { resize: vertical; }
/* ハニーポット：画面外に隠す（display:noneだとボットに見抜かれやすいため位置で隠す） */
.form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form__note {
  text-align: center;
  font-size: 0.9rem;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 8px;
}
.form__note.is-error { background: #fde8e8; color: #a83232; }
.form__note.is-success { background: #e6f6ea; color: #2f7a45; }
.form__submit { text-align: center; margin-top: 12px; }

/* ============================================
   フッター
   ============================================ */
.footer {
  background: #2b3a3d;
  color: #cdd9d7;
  padding: 56px 0 28px;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__tagline { font-size: 0.9rem; margin-top: 12px; color: #9fb1ae; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 24px; }
.footer__nav a { font-size: 0.9rem; transition: color .2s; }
.footer__nav a:hover { color: var(--c-mint); }
.footer__copy {
  text-align: center;
  font-size: 0.8rem;
  margin-top: 24px;
  color: #7f918e;
}

/* ============================================
   スクロール演出
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 880px) {
  .cards, .features, .flow { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 768px) {
  .pc-only { display: none; }
  .hamburger { display: flex; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--c-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s ease, opacity .35s ease, visibility .35s ease;
    box-shadow: var(--shadow);
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__list {
    flex-direction: column;
    gap: 0;
    padding: 12px 0;
  }
  .nav__list li { width: 100%; text-align: center; }
  .nav__link {
    display: block;
    padding: 14px;
    width: 100%;
  }
  .nav__link--cta { border-radius: 0; }

  .section { padding: 70px 0; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .footer__inner { flex-direction: column; }
}