@charset "UTF-8";

/* =========================================================
   アサカフェ 3.0 ／ 未来経済共創ラボ
   ========================================================= */

:root {
  --green:        #6E9A6A;
  --green-light:  #8FB98A;
  --green-pale:   #F2F6F0;
  --gold:         #D9A441;
  --gold-pale:    #FBF3DF;

  --ink:          #2F3A2B;
  --ink-soft:     #55604F;
  --ink-mute:     #7B8676;

  --paper:        #FBF8F1;
  --paper-warm:   #F6F1E6;
  --line:         #E2DCCD;

  --wrap:  1120px;
  --nav-h: 72px;

  --shadow-sm: 0 2px 10px rgba(47, 58, 43, .06);
  --shadow-md: 0 10px 34px rgba(47, 58, 43, .10);
  --shadow-lg: 0 24px 60px rgba(47, 58, 43, .14);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
               "Yu Gothic Medium", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.95;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* ---------- 共通レイアウト ---------- */

.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

.section { padding: clamp(4.5rem, 10vw, 8.5rem) 0; }
.section--pale { background: var(--paper-warm); }
.section--green { background: var(--green-pale); }

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .3em;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.6rem; height: 1px;
  background: var(--green);
  vertical-align: middle;
  margin-right: .7rem;
}
.section-head--center .eyebrow::after {
  content: "";
  display: inline-block;
  width: 1.6rem; height: 1px;
  background: var(--green);
  vertical-align: middle;
  margin-left: .7rem;
}

h2.section-title {
  margin: 0 0 1.1rem;
  font-size: clamp(1.65rem, 4.2vw, 2.6rem);
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: .02em;
}
.section-lead {
  margin: 0;
  max-width: 46rem;
  color: var(--ink-soft);
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
}
.section-head--center .section-lead { margin-inline: auto; }

.sp-br { display: none; }
@media (max-width: 560px) { .sp-br { display: block; } }

.accent { color: var(--green); }
.mark {
  background: linear-gradient(transparent 62%, rgba(217, 164, 65, .32) 62%);
  padding: 0 .1em;
}

/* ---------- ヘッダー ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(251, 248, 241, .82);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 90;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-stuck {
  border-bottom-color: var(--line);
  background: rgba(251, 248, 241, .95);
}
.nav__inner {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav__logo { flex: 0 0 auto; }
.nav__logo img { width: 190px; }

.nav__menu {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2rem);
  list-style: none;
  padding: 0; margin-block: 0;
}
.nav__menu a {
  text-decoration: none;
  font-size: .88rem;
  font-weight: 600;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: .2rem;
  transition: color .25s var(--ease);
}
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav__menu a:hover { color: var(--green); }
.nav__menu a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  padding: .62rem 1.35rem;
  border-radius: 999px;
  background: var(--green);
  color: #fff !important;
  font-size: .85rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.nav__cta:hover { background: #5E8A5A; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.nav__cta::after { display: none; }

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  border: 0; padding: 0;
  background: transparent;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 22px; height: 1.8px;
  margin: 5px auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .25s var(--ease);
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

/* ---------- ヒーロー ---------- */

.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -22%; right: -14%;
  width: 60vw; height: 60vw;
  max-width: 780px; max-height: 780px;
  background: radial-gradient(circle at 50% 50%, rgba(143, 185, 138, .30), transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -18%; left: -12%;
  width: 46vw; height: 46vw;
  max-width: 560px; max-height: 560px;
  background: radial-gradient(circle at 50% 50%, rgba(217, 164, 65, .22), transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .42rem 1.05rem;
  border: 1px solid var(--green-light);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--green);
  margin-bottom: 1.8rem;
}
.hero__badge i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
}

.hero__title {
  margin: 0 0 1.6rem;
  font-size: clamp(2.1rem, 6.4vw, 4.1rem);
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: .01em;
}
.hero__title .line { display: block; }
.hero__title .em {
  color: var(--green);
  position: relative;
  display: inline-block;
}
.hero__title .em::after {
  content: "";
  position: absolute;
  left: 0; bottom: .06em;
  width: 100%; height: .28em;
  background: rgba(217, 164, 65, .28);
  z-index: -1;
  border-radius: 2px;
}

.hero__sub {
  margin: 0 0 2.4rem;
  max-width: 34rem;
  font-size: clamp(.98rem, 1.9vw, 1.1rem);
  color: var(--ink-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .95rem 2rem;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease),
              background .28s var(--ease), color .28s var(--ease);
}
.btn--primary {
  background: var(--green);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn--primary:hover { background: #5E8A5A; transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn--ghost:hover { border-color: var(--green); color: var(--green); transform: translateY(-3px); }
.btn__arrow { transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.hero__visual {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero__visual img { width: 100%; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.stat {
  background: var(--paper);
  padding: 1.6rem 1.4rem;
  text-align: center;
}
.stat__num {
  display: block;
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--green);
  letter-spacing: .01em;
}
.stat__num small { font-size: .5em; font-weight: 700; margin-left: .15em; }
.stat__label {
  display: block;
  margin-top: .35rem;
  font-size: .8rem;
  color: var(--ink-mute);
  letter-spacing: .08em;
}

/* ---------- ステートメント ---------- */

.statement {
  background: var(--ink);
  color: #F4F1E8;
  text-align: center;
  padding: clamp(4.5rem, 10vw, 8rem) 0;
  position: relative;
  overflow: hidden;
}
.statement::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(143, 185, 138, .20), transparent 46%),
    radial-gradient(circle at 82% 76%, rgba(217, 164, 65, .16), transparent 48%);
}
.statement__inner { position: relative; }
.statement p {
  margin: 0 auto;
  max-width: 40rem;
  font-size: clamp(1.15rem, 3vw, 1.85rem);
  line-height: 2.1;
  font-weight: 500;
  letter-spacing: .04em;
}
.statement p + p { margin-top: 1.8rem; }
.statement .big {
  font-size: clamp(1.5rem, 4.6vw, 2.9rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.7;
}
.statement__seed {
  width: clamp(84px, 14vw, 128px);
  margin: 0 auto 2.4rem;
  opacity: .95;
}

/* ---------- カードグリッド ---------- */

.grid {
  display: grid;
  gap: clamp(1.2rem, 2.6vw, 1.9rem);
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(276px, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.6rem, 3vw, 2.2rem);
  box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              border-color .35s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-light);
}
.card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--green-pale);
  color: var(--green);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  letter-spacing: .02em;
}
.card--gold .card__num { background: var(--gold-pale); color: #A2802F; }
.card__title {
  margin: 0 0 .7rem;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.7;
}
.card__text {
  margin: 0;
  font-size: .9rem;
  color: var(--ink-soft);
  line-height: 1.95;
}

/* ---------- 課題リスト ---------- */

.issues {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(238px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.issue {
  background: var(--paper);
  padding: 1.5rem 1.6rem;
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: background .3s var(--ease);
}
.issue:hover { background: #fff; }
.issue::before {
  content: "";
  flex: 0 0 auto;
  width: 7px; height: 7px;
  margin-top: .72rem;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------- 統計・引用 ---------- */

.pull {
  border-left: 3px solid var(--green);
  padding: .4rem 0 .4rem 1.8rem;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 2;
  font-weight: 600;
  color: var(--ink);
}
.pull cite {
  display: block;
  margin-top: .8rem;
  font-size: .78rem;
  font-style: normal;
  font-weight: 500;
  color: var(--ink-mute);
  letter-spacing: .04em;
}

/* ---------- 2カラム ---------- */

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split__media {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.split__media--plain { box-shadow: none; border-radius: 0; }
.split__body p {
  color: var(--ink-soft);
  font-size: .97rem;
}
.split__body p:first-of-type { margin-top: 0; }

/* ---------- タイムライン（沿革） ---------- */

.timeline {
  position: relative;
  display: grid;
  gap: clamp(1.2rem, 2.6vw, 1.8rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.era {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.7rem, 3vw, 2.3rem);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.era:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.era::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--green-light);
}
.era--now::before { background: linear-gradient(90deg, var(--green), var(--gold)); }
.era--now {
  border-color: var(--green-light);
  box-shadow: var(--shadow-md);
}
.era__ver {
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1.3;
  letter-spacing: .01em;
}
.era--now .era__ver { color: var(--gold); }
.era__years {
  display: block;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--ink-mute);
  margin-bottom: 1rem;
}
.era__lead {
  margin: 0 0 .7rem;
  font-size: 1rem;
  font-weight: 700;
}
.era__text {
  margin: 0;
  font-size: .89rem;
  color: var(--ink-soft);
}
.era__tag {
  display: inline-block;
  margin-top: 1.1rem;
  padding: .3rem .85rem;
  border-radius: 999px;
  background: var(--gold-pale);
  color: #A2802F;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
}

/* ---------- 実証プロジェクト ---------- */

.proof {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(1.2rem, 2.6vw, 1.8rem);
}
.proof__item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.7rem, 3vw, 2.2rem);
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.proof__item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-light);
}
.proof__q {
  margin: 0 0 .9rem;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.7;
  color: var(--ink);
}
.proof__index {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--green);
  display: block;
  margin-bottom: .8rem;
}
.proof__text {
  margin: 0 0 1.3rem;
  font-size: .89rem;
  color: var(--ink-soft);
}
.proof__list {
  margin: auto 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px dashed var(--line);
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.proof__list li {
  font-size: .76rem;
  font-weight: 600;
  color: var(--ink-mute);
  background: var(--green-pale);
  padding: .28rem .8rem;
  border-radius: 999px;
}

/* ---------- 事業部 ---------- */

.biz {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(1.2rem, 2.6vw, 1.8rem);
}
.biz__item {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.8rem, 3vw, 2.4rem);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.biz__item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.biz__icon {
  width: 52px; height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--green-pale);
  margin-bottom: 1.2rem;
  font-size: 1.4rem;
}
.biz__title {
  margin: 0 0 .35rem;
  font-size: 1.12rem;
  font-weight: 700;
}
.biz__sub {
  margin: 0 0 1rem;
  font-size: .78rem;
  color: var(--green);
  font-weight: 700;
  letter-spacing: .06em;
}
.biz__text { margin: 0; font-size: .9rem; color: var(--ink-soft); }

/* ---------- ロードマップ ---------- */

.roadmap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: clamp(1rem, 2.4vw, 1.6rem);
  counter-reset: phase;
}
.phase {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2rem 1.6rem 1.8rem;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.phase:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.phase__dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px var(--green-pale);
  margin-bottom: 1.2rem;
}
.phase:nth-child(4) .phase__dot { background: var(--gold); box-shadow: 0 0 0 5px var(--gold-pale); }
.phase__label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--ink-mute);
  display: block;
  margin-bottom: .35rem;
}
.phase__title {
  margin: 0 0 .3rem;
  font-size: 1.18rem;
  font-weight: 700;
}
.phase__year {
  display: block;
  font-size: .8rem;
  color: var(--green);
  font-weight: 700;
  margin-bottom: .9rem;
  letter-spacing: .05em;
}
.phase__text { margin: 0; font-size: .86rem; color: var(--ink-soft); }

/* ---------- 指標 ---------- */

.kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.kpi__cell {
  background: #fff;
  padding: 1.7rem 1.4rem;
  text-align: center;
  transition: background .3s var(--ease);
}
.kpi__cell:hover { background: var(--green-pale); }
.kpi__value {
  display: block;
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1.3;
}
.kpi__value small { font-size: .5em; margin-left: .15em; }
.kpi__name {
  display: block;
  margin-top: .4rem;
  font-size: .82rem;
  color: var(--ink-soft);
}

.axis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: clamp(.9rem, 2vw, 1.4rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}
.axis__item {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.axis__item:hover { transform: translateY(-4px); border-color: var(--green-light); }
.axis__en {
  display: block;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--green);
  margin-bottom: .4rem;
}
.axis__ja { font-size: .95rem; font-weight: 700; }

/* ---------- 参加する ---------- */

.join {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: clamp(1.2rem, 2.6vw, 1.8rem);
}
.join__item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.8rem, 3vw, 2.3rem);
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.join__item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--green-light); }
.join__item--feature { background: var(--green); border-color: var(--green); color: #fff; }
.join__item--feature .join__text,
.join__item--feature .join__price small { color: rgba(255,255,255,.86); }
.join__item--feature .join__list li { color: rgba(255,255,255,.92); }
.join__item--feature .join__list li::before { background: var(--gold); }
.join__item--feature .join__title { color: #fff; }

.join__title { margin: 0 0 .6rem; font-size: 1.1rem; font-weight: 700; }
.join__price {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  letter-spacing: .01em;
}
.join__price small { font-size: .42em; font-weight: 600; margin-left: .3em; color: var(--ink-mute); }
.join__text { margin: 0 0 1.2rem; font-size: .89rem; color: var(--ink-soft); }
.join__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.6rem;
  display: grid;
  gap: .55rem;
}
.join__list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: .87rem;
  color: var(--ink-soft);
}
.join__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .72em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green-light);
}
.join__cta {
  margin-top: auto;
  display: inline-flex;
  justify-content: center;
  padding: .78rem 1.4rem;
  border-radius: 999px;
  background: var(--green-pale);
  color: var(--green);
  font-size: .88rem;
  font-weight: 700;
  text-decoration: none;
  transition: background .3s var(--ease), color .3s var(--ease);
}
.join__cta:hover { background: var(--green); color: #fff; }
.join__item--feature .join__cta { background: #fff; color: var(--green); }
.join__item--feature .join__cta:hover { background: var(--gold); color: #fff; }

/* ---------- CTA ---------- */

.cta {
  position: relative;
  padding: clamp(4rem, 9vw, 7rem) 0;
  background: linear-gradient(135deg, #6E9A6A 0%, #8FB98A 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: -30%; right: -10%;
  width: 46vw; height: 46vw;
  max-width: 520px; max-height: 520px;
  background: radial-gradient(circle, rgba(255,255,255,.20), transparent 66%);
  border-radius: 50%;
}
.cta__inner { position: relative; }
.cta__title {
  margin: 0 0 1.1rem;
  font-size: clamp(1.5rem, 4.2vw, 2.6rem);
  line-height: 1.6;
  font-weight: 700;
}
.cta__text {
  margin: 0 auto 2.4rem;
  max-width: 34rem;
  font-size: clamp(.93rem, 1.8vw, 1.03rem);
  color: rgba(255,255,255,.9);
}
.cta .btn--primary { background: #fff; color: var(--green); }
.cta .btn--primary:hover { background: var(--gold); color: #fff; }
.cta .btn--ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.cta .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.14); color: #fff; }
.cta__actions { display: flex; flex-wrap: wrap; gap: .9rem; justify-content: center; }

/* ---------- フッター ---------- */

.footer {
  background: var(--ink);
  color: rgba(244, 241, 232, .74);
  padding: clamp(3rem, 6vw, 4.5rem) 0 2rem;
  font-size: .87rem;
}
.footer__top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer__brand p { margin: 1.2rem 0 0; max-width: 22rem; line-height: 1.9; }
.footer__logo { width: 200px; filter: brightness(0) invert(1); opacity: .92; }
.footer h3 {
  margin: 0 0 1rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: #fff;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.footer a { text-decoration: none; transition: color .25s var(--ease); }
.footer a:hover { color: var(--gold); }
.footer__meta {
  padding-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.6rem;
  justify-content: space-between;
  font-size: .78rem;
  color: rgba(244, 241, 232, .55);
}

/* ---------- スクロール演出 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .08s; }
.reveal:nth-child(3) { transition-delay: .16s; }
.reveal:nth-child(4) { transition-delay: .24s; }
.reveal:nth-child(5) { transition-delay: .32s; }
.reveal:nth-child(6) { transition-delay: .40s; }

/* ---------- レスポンシブ ---------- */

@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__menu {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.6rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s var(--ease), opacity .3s var(--ease), visibility .3s;
  }
  .nav__menu.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__menu li { border-bottom: 1px solid var(--line); }
  .nav__menu li:last-child { border-bottom: 0; padding-top: 1rem; }
  .nav__menu a { display: block; padding: .95rem .2rem; font-size: .95rem; }
  .nav__menu a::after { display: none; }
  .nav__cta { justify-content: center; }
  .nav__logo img { width: 158px; }
}

@media (max-width: 560px) {
  body { font-size: 15px; line-height: 1.9; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .statement p { letter-spacing: .02em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 印刷 ---------- */

@media print {
  .nav, .cta, .hero__actions { display: none; }
  body { background: #fff; }
  .reveal { opacity: 1; transform: none; }
}