/* =========================================================
   DESIGN SYSTEM — 瀬戸内の編集室（公式版）
   Root — 公的・中立・信頼感を sea(海) を主軸に構成
   ========================================================= */
:root{
  /* Palette — 姉妹ページと共通の語彙 */
  --paper: #F6F1E6;
  --paper-white: #FEFCF7;
  --ink: #1A1F2E;
  --ink-soft: #3D4556;
  --ink-mute: #5C6270;
  --sea: #2F4858;              /* primary accent — 瀬戸内の海 */
  --sea-deep: #1F3240;
  --sea-soft: #6F8794;
  --terracotta: #A04830;       /* 保護者向けリンク用 */
  --citrus: #C5883A;           /* アクセント・夕光 */
  --moss: #5D6B5A;             /* 教育者向けリンク用 */
  --rule: #D9CFBC;
  --rule-soft: #E8DFCC;
  --shadow: rgba(26,31,46,0.06);
  --shadow-strong: rgba(26,31,46,0.12);
  --focus-ring: 2px solid var(--sea);

  --mincho: 'BIZ UDPMincho', 'Zen Old Mincho', 'Hiragino Mincho ProN', serif;
  --gothic: 'BIZ UDPGothic', 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif;
  --english: 'Fraunces', 'BIZ UDPMincho', 'EB Garamond', serif;

  --measure: 72ch;
  --gutter: max(clamp(1.25rem, 3vw, 2rem), env(safe-area-inset-left));
}

/* Paper texture — soft radial tint */

/* Grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.22;
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='128' height='128'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.12 0 0 0 0 0.18 0 0 0 0.35 0'/%3E%3C/filter%3E%3Crect width='128' height='128' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* Focus */
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-invert:focus-visible,
.btn-check:focus-visible {
  outline-offset: 4px;
}

/* =========================================================
   UTILITIES
   ========================================================= */
.eyebrow {
  font-family: var(--english);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sea);
  font-feature-settings: "ss01" 1;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

/* =========================================================
   MASTHEAD
   ========================================================= */
/* 対象読者別リンク（将来のナビ拡張用）。文字色はink/sea階調に統一し、
   彩色は下線＝装飾のみに使う（カラーパレット仕様書「彩色3色＝装飾専任」準拠・2026-07-26是正） */

/* =========================================================
   HERO — 公的・中立
   ========================================================= */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 8%; right: -10%;
  width: 56%; height: 82%;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(47,72,88,0.18), transparent 60%),
    radial-gradient(ellipse at 70% 60%, rgba(197,136,58,0.12), transparent 65%),
    radial-gradient(ellipse at 50% 50%, rgba(93,107,90,0.08), transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  position: relative;
  z-index: 2;
  align-items: start;
}

.hero-issue {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  font-family: var(--english);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--ink-mute);
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule-soft);
}
.hero-issue strong {
  color: var(--sea);
  font-weight: 600;
}

.hero-headline {
  font-family: var(--mincho);
  font-weight: 700;
  font-size: clamp(2.5rem, 6.8vw, 5rem);
  line-height: 1.28;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  position: relative;
  text-wrap: balance;
}
.hero-headline .accent {
  color: var(--sea);
  position: relative;
}
.hero-headline .accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.08em;
  height: 6px;
  background: var(--citrus);
  opacity: 0.32;
  z-index: -1;
}

.hero-english {
  font-family: var(--english);
  font-style: italic;
  font-weight: 400;
  font-size: 1rem;
  color: var(--ink-mute);
  letter-spacing: 0.01em;
  margin-top: -0.5rem;
  margin-bottom: 2.5rem;
}

.hero-lead {
  font-family: var(--mincho);
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  font-weight: 400;
  line-height: 2.1;
  color: var(--ink-soft);
  max-width: 54ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 2rem;
  background: var(--ink);
  color: var(--paper-white);
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  transition: color 0.35s ease, background-color 0.35s ease;
  position: relative;
  overflow: hidden;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.1rem 1.5rem;
  color: var(--ink);
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 15px;
  border: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}

/* Hero aside — 編集部メタデータ */
.hero-meta {
  padding: 1.75rem;
  background: var(--paper-white);
  border: 1px solid var(--rule);
  position: relative;
}
.hero-meta::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 3px;
  background: var(--sea);
}
.hero-meta-title {
  font-family: var(--english);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--sea);
  text-transform: uppercase;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--rule-soft);
}
.hero-meta dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem 1.25rem;
  font-size: 13px;
  line-height: 1.75;
}
.hero-meta dt {
  font-family: var(--english);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  padding-top: 2px;
}
.hero-meta dd {
  font-family: var(--mincho);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.03em;
}

/* =========================================================
   SECTION — Generic
   ========================================================= */
.section {
  padding: clamp(4rem, 9vw, 7rem) 0;
  position: relative;
  border-bottom: 1px solid var(--rule);
}
.section-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--rule);
}
.section-title {
  font-family: var(--mincho);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: var(--ink);
  text-wrap: balance;
}
.section-title-en {
  display: block;
  font-family: var(--english);
  font-style: italic;
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}
.section-lead {
  font-family: var(--mincho);
  font-size: 1rem;
  line-height: 2;
  color: var(--ink-soft);
  max-width: 48ch;
  justify-self: end;
  text-align: left;
}

/* =========================================================
   DIRECTORY — 将来展開用に温存
   ========================================================= */
.directory {
  background:
    linear-gradient(180deg, var(--paper) 0%, rgba(47,72,88,0.03) 50%, var(--paper) 100%);
  position: relative;
}
.directory-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(3rem, 6vw, 4.5rem);
}
.directory-header .eyebrow {
  margin-bottom: 1.5rem;
  justify-content: center;
}
.directory-header .eyebrow::before,
.directory-header .eyebrow::after {
  content: "";
  width: 28px; height: 1px;
  background: var(--sea);
}
.directory-title {
  font-family: var(--mincho);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin-bottom: 1rem;
  text-wrap: balance;
}
.directory-title-en {
  display: block;
  font-family: var(--english);
  font-style: italic;
  font-weight: 400;
  font-size: 0.88rem;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.directory-lead {
  font-family: var(--mincho);
  font-size: 1rem;
  line-height: 2;
  color: var(--ink-soft);
}

/* 3-card grid */
.directory-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.dir-card {
  display: flex;
  flex-direction: column;
  padding: 2.25rem 2.25rem 2.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper-white);
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
              background-color 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  min-height: 400px;
}
.dir-card:hover {
  transform: translateY(-6px);
  background: var(--paper);
}
.dir-card::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.dir-card.for-parents::after { background: var(--terracotta); }
.dir-card.for-educators::after { background: var(--moss); }
.dir-card.for-about::after { background: var(--sea); }
.dir-card:hover::after { width: 100%; }

.dir-card-num {
  font-family: var(--english);
  font-weight: 300;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-style: italic;
  color: var(--rule);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  transition: color 0.35s ease;
}
.dir-card:hover .dir-card-num { color: var(--rule-soft); }

.dir-card-label {
  display: inline-block;
  font-family: var(--english);
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid;
}
.dir-card.for-parents .dir-card-label { color: var(--terracotta); border-color: var(--terracotta); }
.dir-card.for-educators .dir-card-label { color: var(--moss); border-color: var(--moss); }
.dir-card.for-about .dir-card-label { color: var(--sea); border-color: var(--sea); }

.dir-card-title {
  font-family: var(--mincho);
  font-weight: 700;
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 0.5rem;
  text-wrap: balance;
}
.dir-card-sub {
  font-family: var(--english);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-bottom: 1.25rem;
}
.dir-card-text {
  font-family: var(--mincho);
  font-size: 0.94rem;
  line-height: 1.95;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
.dir-card-list {
  list-style: none;
  padding: 1.25rem 0 0;
  border-top: 1px dashed var(--rule);
  margin-bottom: 1.5rem;
}
.dir-card-list li {
  font-family: var(--mincho);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--ink-soft);
  padding-left: 1.1rem;
  position: relative;
}
.dir-card-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--ink-mute);
}
.dir-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--english);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule-soft);
}
.dir-card-arrow { transition: transform 0.3s, color 0.3s; }
.dir-card.for-parents:hover .dir-card-arrow { color: var(--terracotta); transform: translateX(4px); }
.dir-card.for-educators:hover .dir-card-arrow { color: var(--moss); transform: translateX(4px); }
.dir-card.for-about:hover .dir-card-arrow { color: var(--sea); transform: translateX(4px); }

@media (max-width: 960px) {
  .directory-cards { grid-template-columns: 1fr; }
  .dir-card { min-height: auto; }
}

/* =========================================================
   ABOUT — 連盟について
   ========================================================= */
.about {
  background: var(--paper-white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about-body p {
  font-family: var(--mincho);
  font-size: 1rem;
  line-height: 2.1;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  max-width: 54ch;
}
.about-body p:first-of-type::first-letter {
  font-family: var(--english);
  font-weight: 400;
  font-size: 3.4em;
  float: left;
  line-height: 0.9;
  margin: 0.1em 0.15em 0 -0.05em;
  color: var(--sea);
  font-style: italic;
}
.about-quote {
  padding: 1.75rem 2rem;
  background: var(--paper);
  border-left: 3px solid var(--sea);
  font-family: var(--mincho);
  font-size: 0.96rem;
  line-height: 2;
  color: var(--ink-soft);
  margin: 2rem 0;
}
.about-quote strong {
  display: block;
  margin-top: 1rem;
  font-family: var(--english);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--sea);
  text-transform: uppercase;
}

.about-numbers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  margin-top: 1rem;
}
.about-number-cell {
  padding: 1.75rem 1.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  text-align: left;
}
.about-number-value {
  font-family: var(--english);
  font-weight: 300;
  font-size: clamp(2.5rem, 4.5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--sea);
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  margin-bottom: 0.5rem;
}
.about-number-unit {
  font-family: var(--mincho);
  font-size: 0.95rem;
  color: var(--terracotta);
  font-weight: 500;
}
.about-number-label {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.about-number-en {
  display: block;
  font-family: var(--english);
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-top: 0.2rem;
  text-transform: uppercase;
}

.about-cta {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* =========================================================
   NEWS — 最新のお知らせ（ticker / list）
   ========================================================= */
.news {
  background: var(--paper-white);
}
.news-list {
  list-style: none;
  border-top: 1px solid var(--rule);
}
.news-item {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: baseline;
  padding: 1.35rem 0.5rem;
  border-bottom: 1px solid var(--rule);
  transition: padding-left 0.3s ease, background-color 0.3s ease;
  color: inherit;
}
.news-item:hover {
  padding-left: 1.25rem;
  background: var(--paper);
}
.news-date {
  font-family: var(--english);
  font-style: italic;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  min-width: 100px;
  font-variant-numeric: tabular-nums;
}
.news-cat {
  font-family: var(--english);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border: 1px solid;
  min-width: 96px;
  text-align: center;
  white-space: nowrap;
}
.news-cat.type-notice { color: var(--sea); border-color: var(--sea); }
.news-cat.type-report { color: var(--moss); border-color: var(--moss); }
.news-cat.type-media  { color: #8A5E24; border-color: #B9853D; }
.news-cat.type-event  { color: var(--terracotta); border-color: var(--terracotta); }

.news-title {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  letter-spacing: 0.03em;
}
.news-arrow {
  font-family: var(--english);
  font-size: 1rem;
  color: var(--ink-mute);
  font-weight: 300;
  transition: transform 0.3s, color 0.3s;
}
.news-item:hover .news-arrow { transform: translateX(4px); color: var(--sea); }

.news-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-soft);
}
.news-foot a {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--sea);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--sea);
  transition: gap 0.3s;
}
.news-foot a:hover { gap: 0.9rem; }

/* =========================================================
   PICKS — 加盟塾プレビュー
   ========================================================= */
.picks { background: var(--paper-white); }
.picks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.pick {
  padding: 2rem 2rem 2.25rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  transition: background-color 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
  color: inherit;
  display: block;
}
.pick:hover { background: var(--paper-white); }
.pick::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--sea);
  transition: width 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.pick:hover::after { width: 100%; }

.pick-label {
  display: inline-block;
  font-family: var(--english);
  font-style: italic;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--sea);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--sea);
}
.pick-name {
  font-family: var(--mincho);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 0.4rem;
  text-wrap: balance;
}
.pick-area {
  font-family: var(--english);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.pick-text {
  font-family: var(--mincho);
  font-size: 0.94rem;
  line-height: 1.95;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}
.pick-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--english);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  padding-top: 1rem;
  border-top: 1px solid var(--rule-soft);
}
.pick-foot-arrow { transition: transform 0.3s, color 0.3s; }
.pick:hover .pick-foot-arrow { transform: translateX(4px); color: var(--sea); }

.picks-foot {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

@media (max-width: 960px) {
  .picks-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   INVITATION (Closing)
   ========================================================= */
.invitation {
  background: var(--paper);
  padding: clamp(5rem, 10vw, 8rem) 0;
  text-align: center;
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.invitation::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(47,72,88,0.06), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(197,136,58,0.05), transparent 60%);
  pointer-events: none;
}
.invitation .container { position: relative; z-index: 1; }
.invitation-sub {
  font-family: var(--english);
  font-style: italic;
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--ink-mute);
  margin-bottom: 1.5rem;
}
.invitation-headline {
  font-family: var(--mincho);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.45;
  letter-spacing: 0.05em;
  text-wrap: balance;
  max-width: 30ch;
  margin: 0 auto 1.5rem;
}
.invitation-headline .accent { color: var(--sea); }
.invitation-rule {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--sea);
  margin: 2rem auto;
}
.invitation-signature {
  font-family: var(--mincho);
  font-size: 0.96rem;
  color: var(--ink-soft);
  line-height: 2;
  max-width: 56ch;
  margin: 0 auto;
}
.invitation-signature strong {
  display: block;
  font-weight: 700;
  margin-top: 1rem;
  letter-spacing: 0.1em;
}

/* =========================================================
   FOOTER
   ========================================================= */

/* =========================================================
   ANIMATIONS
   ========================================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hero-issue { animation: fadeIn 1s ease 0s both; }
.hero-headline { animation: fadeUp 1s cubic-bezier(0.2,0.8,0.2,1) 0.1s both; }
.hero-english { animation: fadeUp 1s cubic-bezier(0.2,0.8,0.2,1) 0.25s both; }
.hero-lead { animation: fadeUp 1s cubic-bezier(0.2,0.8,0.2,1) 0.4s both; }
.hero-actions { animation: fadeUp 1s cubic-bezier(0.2,0.8,0.2,1) 0.55s both; }
.hero-meta { animation: fadeUp 1s cubic-bezier(0.2,0.8,0.2,1) 0.7s both; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .activities-grid { grid-template-columns: 1fr; }
  .act-feature .act-img { aspect-ratio: 16 / 10; }
  .about-numbers { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .news-item { grid-template-columns: auto 1fr; row-gap: 0.4rem; }
  .news-cat { grid-column: 2; justify-self: start; }
  .news-title { grid-column: 1 / -1; }
  .news-arrow { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .about-numbers { grid-template-columns: 1fr; }
}
/* =========================================================
   FOLLOW — SNS 紹介
   ========================================================= */
.follow { background: var(--paper-white); border-top: 1px solid var(--rule); }
.follow-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3.5rem; align-items: center; }
@media (max-width: 820px) { .follow-inner { grid-template-columns: 1fr; gap: 2rem; } }
.follow-title { font-family: var(--mincho); font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 600; line-height: 1.55; letter-spacing: 0.03em; margin: 0.7rem 0 1rem; }
.follow-text { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.9; }
.follow-links { display: flex; flex-direction: column; gap: 0.75rem; }
.follow-btn { display: flex; align-items: center; gap: 1rem; padding: 0.95rem 1.4rem; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); transition: transform 0.22s cubic-bezier(.2,.7,.2,1), box-shadow 0.22s, border-color 0.22s; }
.follow-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 24px var(--shadow); border-color: var(--sea-soft); }
.follow-btn svg { width: 23px; height: 23px; flex-shrink: 0; color: var(--sea); }
.follow-btn .fb-name { font-family: var(--gothic); font-size: 0.95rem; font-weight: 500; color: var(--ink); }
.follow-btn .fb-handle { margin-left: auto; font-family: var(--english); font-size: 0.82rem; color: var(--ink-mute); letter-spacing: 0.03em; }

/* Region strip — 加盟塾のある地域（塾数は出さない） */
.region-strip { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 0.5rem 0 2rem; }
.region-chip {
  position: relative; overflow: hidden;
  border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper-white);
  padding: 0.9rem 1.4rem 0.8rem; min-width: 150px; flex: 1 1 150px;
}
.region-chip::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(150deg, transparent 55%, var(--rc) 160%);
  opacity: 0.16; pointer-events: none;
}
.rc-en { display: block; font-family: var(--english); font-style: italic; font-size: 1.15rem; color: var(--rc); line-height: 1.2; }
.rc-ja { display: block; font-size: 0.72rem; letter-spacing: 0.1em; color: var(--ink-mute); margin-top: 0.2rem; }
/* --- 点検修正 2026-07：a11y（旧インライン定義） --- */
@media(max-width:720px){.hamburger{display:flex;}}
@media(max-width:400px){.masthead-main .logo .logo-sub{display:none;}}
/* --- 加盟塾レビュー対応 2026-07：スマホの見出し折れ・ロゴ折れ対策 --- */
.hero-headline,.section-title,.invitation-headline,.follow-title{word-break:auto-phrase;}
.hero-issue{flex-wrap:wrap;row-gap:0.5rem;}
.hero-issue span,.hero-issue strong{white-space:nowrap;}
@media(max-width:720px){
  .masthead-main{gap:0.75rem;}
  .nav-actions{gap:0.75rem;}
  .masthead-main .logo-mark{font-size:clamp(15px,4.7vw,20px);white-space:nowrap;}
}
/* フッター見出し：さらに視認性強化（2026-07-25）：#E9BC7F 9.4:1・13px・太字・UDゴシック */
.footer-col .footer-col-title{color:var(--paper-white);font-size:12px;font-style:normal;font-weight:700;letter-spacing:0.2em;font-family:'BIZ UDPGothic','Zen Kaku Gothic New',sans-serif;display:inline-block;padding-bottom:7px;border-bottom:2px solid #E9BC7F;}
/* フッター紹介文・住所の可読性改善（2026-07-25・白85%=11.9:1） */
/* 体感可読性の一括改善（2026-07-25） */
.footer-address{text-transform:none;font-family:'BIZ UDPGothic','Zen Kaku Gothic New',sans-serif;}
.hero-issue{color:var(--ink-soft);}
.hero-meta dt{color:var(--ink-soft);}
.news-date{color:var(--ink-soft);}
.news-cat{font-size:11px;}
.rc-ja{color:var(--ink-soft);font-size:0.78rem;}

/* 2026-10-10 検査対応：JS無効・印刷時も本文を表示／フッターのタップ領域24px以上 */

/* --- common.css との差分吸収（トップの見た目を従来から変えないための上書き。common.css は他ページと共用のため変更しない） --- */
.news-title { word-break: normal; }
@media (max-width: 960px) {
  .section-header { grid-template-columns: 1fr; gap: 1rem; }
  .section-lead { justify-self: start; }
}
@media (max-width: 720px) {
  .btn-check { padding: 0.5rem 0.9rem; font-size: 12px; min-height: auto; }
}