/* ============================================================
   ムラツムギ 公式サイト スタイルシート
   デザイントークンはロゴから抽出:
   朱 #EA5413 / 墨 #33302B / 灰 #7B7369 / 生成り #FBF7F0
   モチーフ: 波線(畝・山並み・縫い取り) と 破線(縫い目)
   ============================================================ */

:root {
  --shu: #EA5413;          /* ロゴの朱色 */
  --shu-deep: #C74409;     /* ホバー等の濃い朱 */
  --shu-tint: #FDEFE6;     /* 朱の淡い下地 */
  --sumi: #33302B;         /* 本文の墨色 */
  --hai: #7B7369;          /* 補助テキスト */
  --kinari: #FBF7F0;       /* 生成り(アクセント面) */
  --line: #EBE3D8;         /* 罫線 */
  --white: #FFFFFF;

  --font-display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --w-max: 1080px;
  --w-narrow: 720px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--sumi);
  background: var(--white);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--shu); text-decoration: none; }
a:hover { color: var(--shu-deep); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--shu);
  outline-offset: 3px;
  border-radius: 2px;
}

.container { max-width: var(--w-max); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--w-narrow); margin: 0 auto; padding: 0 24px; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--w-max); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--sumi); }
.brand img { height: 44px; width: auto; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  letter-spacing: 0.06em;
}
.brand-name small {
  display: block; font-size: 0.62rem; font-weight: 500; color: var(--hai);
  letter-spacing: 0.14em;
}

.global-nav ul { display: flex; gap: 26px; list-style: none; align-items: center; }
.global-nav a {
  color: var(--sumi); font-size: 0.9rem; font-weight: 500;
  padding: 6px 2px; position: relative;
}
.global-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  border-bottom: 2px dashed var(--shu);
  transition: right 0.25s ease;
}
.global-nav a:hover::after, .global-nav a[aria-current="page"]::after { right: 0; }
.global-nav a[aria-current="page"] { color: var(--shu); }

.nav-note-link {
  border: 1.5px solid var(--shu); border-radius: 999px;
  padding: 6px 16px !important; color: var(--shu) !important; font-weight: 700;
}
.nav-note-link:hover { background: var(--shu); color: var(--white) !important; }
.nav-note-link::after { display: none; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 44px; height: 44px; position: relative;
}
.nav-toggle span {
  position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--sumi); border-radius: 2px; transition: 0.25s;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 22px; }
.nav-toggle span:nth-child(3) { top: 29px; }
.nav-open .nav-toggle span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .global-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    padding: 12px 24px 24px;
  }
  .nav-open .global-nav { display: block; }
  .global-nav ul { flex-direction: column; align-items: flex-start; gap: 4px; }
  .global-nav a { display: block; padding: 10px 4px; font-size: 1rem; }
  .nav-note-link { margin-top: 8px; }
}

/* ---------- 波線ディバイダー(ロゴのモチーフ) ---------- */
.wave { display: block; width: 100%; height: 28px; overflow: hidden; }
.wave svg { display: block; width: 200%; height: 100%; }
@media (prefers-reduced-motion: no-preference) {
  .wave--drift svg { animation: waveDrift 26s linear infinite; }
}
@keyframes waveDrift {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- ヒーロー ---------- */
.hero {
  background: var(--kinari);
  padding: 88px 0 64px;
  position: relative;
}
.hero-inner { max-width: var(--w-max); margin: 0 auto; padding: 0 24px; }
.hero-vision-label {
  font-family: var(--font-display); font-weight: 700; font-size: 0.8rem;
  letter-spacing: 0.3em; color: var(--shu); margin-bottom: 20px;
}
.hero-catch {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.5; letter-spacing: 0.05em;
  margin-bottom: 32px;
}
.hero-catch .accent { color: var(--shu); }
.hero-mission {
  display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 36px;
}
.hero-mission span {
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  border: 1.5px dashed var(--shu); border-radius: 999px;
  padding: 7px 20px; color: var(--shu); background: var(--white);
}
.hero-lead { max-width: 560px; color: var(--hai); font-size: 0.98rem; }

/* ---------- セクション共通 ---------- */
.section { padding: 84px 0; }
.section--kinari { background: var(--kinari); }
.eyebrow {
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.82rem; letter-spacing: 0.28em; color: var(--shu);
  text-transform: lowercase; margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: 0.06em;
  margin-bottom: 28px;
}
.section-lead { color: var(--hai); max-width: 620px; margin-bottom: 40px; }
.section-lead--wide { max-width: 800px; }

/* ---------- カード(縫い目=破線ボーダー) ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid--four { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 600px) { .card-grid--four { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .card-grid { grid-template-columns: 1fr; } }

.stitch-card {
  border: 1.5px dashed var(--line); border-radius: 16px;
  padding: 30px 26px; background: var(--white);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.stitch-card:hover { border-color: var(--shu); transform: translateY(-3px); }
a.stitch-card { display: block; color: inherit; }
.card-number {
  font-family: var(--font-display); font-weight: 900; font-size: 0.95rem;
  color: var(--shu); letter-spacing: 0.1em; margin-bottom: 8px;
}
.card-link-hint { font-size: 0.8rem; color: var(--shu); font-weight: 700; margin-top: 12px; display: inline-block; }
.stitch-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.12rem;
  margin-bottom: 12px; letter-spacing: 0.04em;
}
.stitch-card .card-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  color: var(--shu); background: var(--shu-tint); border-radius: 999px;
  padding: 3px 12px; margin-bottom: 14px; letter-spacing: 0.1em;
}
.stitch-card p { font-size: 0.92rem; color: var(--hai); }
.card-photo {
  width: calc(100% + 20px); margin: -14px -10px 18px;
  aspect-ratio: 16 / 10; object-fit: cover; border-radius: 10px;
}
.stitch-card--photo { padding-top: 24px; }

/* ---------- 活動詳細(活動内容ページ) ---------- */
.activity-list { display: grid; gap: 28px; }
.activity-row {
  display: grid; grid-template-columns: 340px 1fr; gap: 34px;
  border: 1.5px dashed var(--line); border-radius: 20px;
  padding: 30px; background: var(--white); align-items: start;
  transition: border-color 0.25s ease;
}
.activity-row:hover { border-color: var(--shu); }
.activity-photo {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 12px; background: var(--kinari);
}
.activity-photo--placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--hai); font-size: 0.78rem; letter-spacing: 0.12em;
  border: 1.5px dashed var(--line); border-radius: 12px;
}
.activity-photo--placeholder::before {
  content: ""; width: 60px; height: 14px;
  background:
    radial-gradient(circle at 15px -1px, transparent 13px, var(--shu) 13.5px, var(--shu) 15px, transparent 16px) 0 0 / 30px 14px repeat-x;
  opacity: 0.5;
}
.activity-number {
  font-family: var(--font-display); font-weight: 900; font-size: 1rem;
  color: var(--shu); letter-spacing: 0.12em; margin-bottom: 6px;
}
.activity-row h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: 0.05em; margin-bottom: 6px;
}
.activity-row h2 a { color: inherit; }
.activity-row h2 a:hover { color: var(--shu); }
.activity-row .card-tag { display: inline-block; font-size: 0.72rem; font-weight: 700;
  color: var(--shu); background: var(--shu-tint); border-radius: 999px;
  padding: 3px 12px; margin-bottom: 14px; letter-spacing: 0.1em; }
.activity-desc { font-size: 0.95rem; color: var(--sumi); }
.activity-desc p + p { margin-top: 1em; }
.activity-link { margin-top: 18px; }
@media (max-width: 760px) {
  .activity-row { grid-template-columns: 1fr; gap: 22px; padding: 24px 20px; }
}

/* ---------- お知らせリスト ---------- */
.news-list { list-style: none; border-top: 1px solid var(--line); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a, .news-list .news-row {
  display: flex; gap: 24px; padding: 20px 8px; color: var(--sumi);
  align-items: baseline; transition: background 0.2s;
}
.news-list a:hover { background: var(--shu-tint); }
.news-date {
  font-family: var(--font-display); font-size: 0.82rem; color: var(--hai);
  flex-shrink: 0; letter-spacing: 0.08em;
}
.news-cat {
  flex-shrink: 0; font-size: 0.7rem; font-weight: 700; color: var(--shu);
  border: 1px solid var(--shu); border-radius: 999px; padding: 1px 10px;
  letter-spacing: 0.08em;
}
.news-title { font-size: 0.95rem; }
@media (max-width: 600px) {
  .news-list a, .news-list .news-row { flex-wrap: wrap; gap: 8px 14px; }
}

/* お知らせ記事本文 */
.news-article { padding: 36px 0 8px; border-bottom: 1px solid var(--line); }
.news-article h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  margin: 10px 0 18px; letter-spacing: 0.04em;
}
.news-article .news-body p { margin-bottom: 1.2em; font-size: 0.96rem; }
.news-article .news-body a { text-decoration: underline; }
.news-photo {
  width: 100%; max-height: 420px; object-fit: cover;
  border-radius: 14px; margin-bottom: 22px;
  border: 1.5px dashed var(--line); padding: 6px; background: var(--white);
}

/* ---------- メンバー ---------- */
.member-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px; max-width: 900px; margin: 0 auto; }
@media (max-width: 980px) { .member-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .member-grid { grid-template-columns: 1fr; } }

.member { text-align: center; }
.member-photo-frame {
  width: 168px; height: 168px; margin: 0 auto 18px;
  border: 2px dashed var(--shu); border-radius: 50%;
  padding: 7px; background: var(--white);
}
.member-photo {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
  background: var(--shu-tint);
}
.member-photo--placeholder {
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900; font-size: 2rem;
  color: var(--shu);
}
.member-name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  letter-spacing: 0.08em;
}
.member-name small {
  display: block; font-weight: 500; font-size: 0.68rem; color: var(--hai);
  letter-spacing: 0.18em; margin-top: 2px;
}
.member-role { font-size: 0.8rem; color: var(--shu); font-weight: 700; margin: 8px 0 10px; }
.member-bio { font-size: 0.85rem; color: var(--hai); text-align: left; }

.simple-member-block { margin-top: 64px; }
.simple-member-heading {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  letter-spacing: 0.1em; color: var(--hai); margin-bottom: 20px;
  display: flex; align-items: center; gap: 14px;
}
.simple-member-heading::after {
  content: ""; flex: 1; border-bottom: 1.5px dashed var(--line);
}
.simple-member-list {
  list-style: none; display: flex; flex-wrap: wrap; gap: 12px 14px;
}
.simple-member-list li {
  font-family: var(--font-display); font-weight: 700; font-size: 0.92rem;
  letter-spacing: 0.08em; color: var(--sumi);
  border: 1.5px dashed var(--line); border-radius: 999px;
  padding: 8px 22px; background: var(--white);
}

.advisor-list { display: grid; gap: 20px; }
.advisor {
  display: flex; gap: 22px; align-items: flex-start;
  border: 1.5px dashed var(--line); border-radius: 16px;
  padding: 24px 26px; background: var(--white);
}
.advisor .member-photo-frame { width: 92px; height: 92px; margin: 0; flex-shrink: 0; padding: 5px; }
.advisor-name { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; }
.advisor-affil { font-size: 0.82rem; color: var(--shu); font-weight: 700; margin: 2px 0 8px; }
.advisor-bio { font-size: 0.88rem; color: var(--hai); }
@media (max-width: 560px) { .advisor { flex-direction: column; align-items: center; text-align: center; } }

/* ---------- メッセージ ---------- */
.message-body { font-size: 1.02rem; }
.message-body p { margin-bottom: 1.8em; }
.message-sign {
  margin-top: 48px; text-align: right;
  font-family: var(--font-display); font-weight: 700; letter-spacing: 0.1em;
}
.message-sign small { display: block; font-weight: 500; color: var(--hai); font-size: 0.78rem; }

/* ---------- リッチ本文(見出し・図解つき長文) ---------- */
.rich h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.35rem;
  letter-spacing: 0.05em; margin: 2.6em 0 1em;
  padding-left: 16px; border-left: 4px solid var(--shu);
}
.rich h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.08rem;
  letter-spacing: 0.05em; margin: 2em 0 0.8em; color: var(--shu);
}
.rich-hr {
  border: none; border-top: 1.5px dashed var(--line); margin: 3em auto; width: 60%;
}
.rich-figure { margin: 2.5em 0; }
.rich-figure img {
  width: 100%; border: 1.5px dashed var(--line); border-radius: 14px;
  padding: 10px; background: var(--white);
}

/* ---------- 定義リスト(団体概要) ---------- */
.org-table { display: grid; grid-template-columns: 160px 1fr; border-top: 1px solid var(--line); }
.org-table dt, .org-table dd { padding: 16px 8px; border-bottom: 1px solid var(--line); font-size: 0.94rem; }
.org-table dt { font-weight: 700; color: var(--hai); font-size: 0.85rem; letter-spacing: 0.08em; }
@media (max-width: 560px) {
  .org-table { grid-template-columns: 1fr; }
  .org-table dt { border-bottom: none; padding-bottom: 0; }
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block; font-family: var(--font-display); font-weight: 700;
  font-size: 0.92rem; letter-spacing: 0.08em;
  border: 1.5px solid var(--shu); border-radius: 999px;
  padding: 12px 34px; color: var(--shu); background: var(--white);
  transition: 0.2s; cursor: pointer;
}
.btn:hover { background: var(--shu); color: var(--white); }
.btn--fill { background: var(--shu); color: var(--white); }
.btn--fill:hover { background: var(--shu-deep); border-color: var(--shu-deep); color: var(--white); }
.btn-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 36px; }

/* ---------- Note セクション ---------- */
.note-banner {
  border: 1.5px dashed var(--shu); border-radius: 20px;
  padding: 40px 36px; display: flex; gap: 24px; align-items: center;
  justify-content: space-between; flex-wrap: wrap; background: var(--white);
}
.note-banner h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; margin-bottom: 6px; }
.note-banner p { color: var(--hai); font-size: 0.9rem; }

/* ---------- お問い合わせ ---------- */
.form-embed { border: 1.5px dashed var(--line); border-radius: 20px; overflow: hidden; background: var(--white); }
.form-embed iframe { display: block; width: 100%; min-height: 900px; border: none; }
.form-placeholder { padding: 60px 30px; text-align: center; color: var(--hai); }

/* ---------- スクロールリビール ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal.is-visible { opacity: 1; transform: none; }
}

/* ---------- フッター ---------- */
.site-footer { background: var(--kinari); padding: 56px 0 32px; margin-top: 20px; }
.footer-inner {
  max-width: var(--w-max); margin: 0 auto; padding: 0 24px;
  display: flex; justify-content: space-between; gap: 36px; flex-wrap: wrap;
}
.footer-brand img { height: 88px; margin-bottom: 14px; }
.footer-brand p { font-size: 0.82rem; color: var(--hai); }
.footer-nav ul { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(120px, auto)); gap: 6px 36px; }
.footer-nav a { color: var(--sumi); font-size: 0.86rem; }
.footer-nav a:hover { color: var(--shu); }
.copyright {
  max-width: var(--w-max); margin: 40px auto 0; padding: 18px 24px 0;
  border-top: 1px solid var(--line);
  font-size: 0.74rem; color: var(--hai); letter-spacing: 0.06em;
}

/* ---------- ページヘッダー(下層) ---------- */
.page-header { background: var(--kinari); padding: 64px 0 44px; }
.page-header .eyebrow { margin-bottom: 6px; }
.page-header h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(1.7rem, 4vw, 2.4rem); letter-spacing: 0.06em;
}