@charset "UTF-8";
/* =========================================================
   國際松濤館 習志野支部  デザインシステム
   コンセプト：「墨と朱」— 墨の黒、和紙の白、松濤館の朱、燻んだ金
   ========================================================= */

/* ---------- 1. 変数（色・文字・余白をここで一括管理） ---------- */
:root {
  /* 色 */
  --sumi:        #0c0a09;   /* 墨（最も濃い黒） */
  --sumi-2:      #16120f;   /* 墨のやや薄い面 */
  --sumi-3:      #241d19;   /* 罫線・境界 */
  --washi:       #f6f2ea;   /* 和紙（明るい面の背景） */
  --washi-2:     #ebe4d8;   /* 和紙の陰 */
  --shu:         #c8102e;   /* 朱（松濤館の赤） */
  --shu-light:   #e0364f;
  --kin:         #c9a227;   /* 金（差し色） */
  --kin-soft:    #d8bc6a;
  --ink-text:    #1a1512;   /* 明るい面の文字色 */
  --ink-muted:   #6b625b;
  --light-text:  #f1ece4;   /* 暗い面の文字色 */
  --light-muted: #a49c93;

  /* 文字 */
  --font-serif: "Shippori Mincho", "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans:  "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  /* 余白・寸法 */
  --wrap: 1160px;
  --gutter: clamp(20px, 5vw, 48px);
  --section-y: clamp(72px, 11vw, 140px);
  --radius: 2px;

  /* 動き */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 2. 土台 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-text);
  background: var(--washi);
  letter-spacing: 0.04em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.06em;
  margin: 0;
}

::selection { background: var(--shu); color: #fff; }

/* 和紙の質感（うっすらノイズ） */
.paper-grain::before {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* ---------- 3. 共通レイアウト ---------- */
.wrap {
  width: min(100% - var(--gutter) * 2, var(--wrap));
  margin-inline: auto;
}
.wrap--narrow { width: min(100% - var(--gutter) * 2, 800px); }

.section { padding-block: var(--section-y); position: relative; }
.section--dark { background: var(--sumi); color: var(--light-text); }
.section--ink { background: var(--sumi-2); color: var(--light-text); }
.section--paper { background: var(--washi); }
.section--paper-2 { background: var(--washi-2); }

/* 見出しユニット：英字ラベル ＋ 和文見出し ＋ 朱の一筆 */
.head { margin-bottom: clamp(36px, 5vw, 64px); }
.head__en {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--kin);
  margin-bottom: 14px;
}
.head__ja {
  font-size: clamp(26px, 4.4vw, 42px);
  position: relative;
  display: inline-block;
  padding-bottom: 18px;
}
.head__ja::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 64px; height: 3px;
  background: var(--shu);
  clip-path: polygon(0 20%, 100% 0, 98% 100%, 2% 78%);
}
.head--center { text-align: center; }
.head--center .head__ja::after { left: 50%; transform: translateX(-50%); }
.head__lead {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--ink-muted);
  font-size: 15px;
}
.section--dark .head__lead,
.section--ink .head__lead { color: var(--light-muted); }
.head--center .head__lead { margin-inline: auto; }

/* ---------- 4. ヘッダー ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px var(--gutter);
  transition: background .45s var(--ease), padding .45s var(--ease), border-color .45s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(12, 10, 9, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-block: 12px;
  border-bottom-color: rgba(201, 162, 39, 0.22);
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--light-text); }
.brand__mark {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: #fff;
  padding: 2px;
  flex: none;
  transition: width .45s var(--ease), height .45s var(--ease);
}
.header.is-scrolled .brand__mark { width: 34px; height: 34px; }
.brand__text { line-height: 1.25; }
.brand__main {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.14em;
  display: block;
}
.brand__sub {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--kin-soft);
  display: block;
  margin-top: 2px;
}

.nav { display: flex; align-items: center; gap: 30px; }
.nav__link {
  position: relative;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--light-text);
  padding-block: 6px;
  transition: color .3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--shu);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.nav__link[aria-current="page"] { color: var(--kin-soft); }

.nav__cta {
  border: 1px solid var(--kin);
  color: var(--kin-soft);
  padding: 10px 22px;
  font-size: 12px;
  letter-spacing: 0.18em;
  transition: background .35s var(--ease), color .35s var(--ease);
}
.nav__cta:hover { background: var(--kin); color: var(--sumi); }

/* ハンバーガー（スマホ用） */
.burger {
  display: none;
  width: 44px; height: 44px;
  border: 0; background: none; cursor: pointer;
  padding: 0; position: relative; z-index: 110;
}
.burger span {
  position: absolute; left: 10px;
  width: 24px; height: 1.5px;
  background: var(--light-text);
  transition: transform .4s var(--ease), opacity .3s var(--ease);
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { top: 22px; }
.burger span:nth-child(3) { top: 28px; }
.burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 5. ヒーロー ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--light-text);
  overflow: hidden;
  background: var(--sumi);
}
.hero__media { position: absolute; inset: 0; }
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 32%;
  filter: grayscale(0.35) contrast(1.08) brightness(0.62);
  transform: scale(1.06);
  animation: heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(12,10,9,.28) 0%, rgba(12,10,9,.82) 62%, rgba(12,10,9,.97) 100%),
    linear-gradient(180deg, rgba(12,10,9,.9) 0%, transparent 26%, transparent 62%, rgba(12,10,9,.96) 100%);
}

.hero__inner { position: relative; z-index: 2; padding: 120px var(--gutter) 100px; }

.hero__emblem {
  width: clamp(58px, 8vw, 84px);
  margin: 0 auto 30px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) .2s forwards;
}
.hero__tagline {
  font-family: var(--font-serif);
  font-size: clamp(12px, 1.6vw, 15px);
  letter-spacing: 0.5em;
  color: var(--kin-soft);
  margin-bottom: 26px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) .4s forwards;
}
.hero__title {
  font-size: clamp(34px, 7.2vw, 82px);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-shadow: 0 4px 40px rgba(0,0,0,.6);
  opacity: 0;
  animation: fadeUp 1.1s var(--ease) .6s forwards;
}
.hero__title small {
  display: block;
  font-size: clamp(13px, 1.7vw, 18px);
  letter-spacing: 0.34em;
  color: var(--light-muted);
  margin-top: 20px;
  font-weight: 400;
}
.hero__lead {
  max-width: 40ch;
  margin: 34px auto 0;
  font-size: clamp(13px, 1.5vw, 15px);
  color: var(--light-muted);
  line-height: 2.2;
  opacity: 0;
  animation: fadeUp 1.1s var(--ease) .85s forwards;
}
.hero__actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-top: 44px;
  opacity: 0;
  animation: fadeUp 1.1s var(--ease) 1.05s forwards;
}

.hero__scroll {
  position: absolute;
  left: 50%; bottom: 34px;
  transform: translateX(-50%);
  z-index: 2;
  display: grid; justify-items: center; gap: 10px;
  font-size: 9px; letter-spacing: 0.34em;
  color: var(--light-muted);
}
.hero__scroll i {
  width: 1px; height: 46px;
  background: linear-gradient(var(--kin), transparent);
  animation: scrollCue 2.4s var(--ease) infinite;
}
@keyframes scrollCue { 0%,100%{ transform: scaleY(.35); opacity:.4 } 50%{ transform: scaleY(1); opacity:1 } }
@keyframes fadeUp { from { opacity:0; transform: translateY(26px) } to { opacity:1; transform:none } }

/* ---------- 6. ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 34px;
  font-size: 13px;
  letter-spacing: 0.18em;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--shu); color: #fff; }
.btn--primary:hover { background: var(--shu-light); }
.btn--ghost { border-color: rgba(241,236,228,.4); color: var(--light-text); }
.btn--ghost:hover { border-color: var(--kin); color: var(--kin-soft); }
.btn--dark { background: var(--sumi); color: var(--washi); }
.btn--dark:hover { background: var(--sumi-3); }
.btn--outline { border-color: var(--sumi-3); color: var(--ink-text); }
.btn--outline:hover { background: var(--sumi); color: var(--washi); }
.btn__arrow { transition: transform .35s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(5px); }

/* ---------- 7. 三つの柱 ---------- */
.pillars { display: grid; gap: 2px; grid-template-columns: repeat(3, 1fr); }
.pillar {
  position: relative;
  background: var(--sumi-2);
  padding: clamp(34px, 4vw, 54px) clamp(24px, 3vw, 40px) clamp(40px, 4.5vw, 58px);
  overflow: hidden;
  transition: background .5s var(--ease);
}
.pillar:hover { background: #1d1714; }
.pillar__num {
  font-family: var(--font-serif);
  font-size: clamp(64px, 9vw, 108px);
  line-height: 1;
  color: rgba(201, 162, 39, .12);
  position: absolute;
  top: 8px; right: 14px;
  pointer-events: none;
  transition: color .5s var(--ease);
}
.pillar:hover .pillar__num { color: rgba(200, 16, 46, .2); }
.pillar__title {
  font-size: clamp(21px, 2.6vw, 28px);
  color: var(--washi);
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
}
.pillar__title::before {
  content: "";
  position: absolute; left: 0; top: .55em;
  width: 9px; height: 9px;
  background: var(--shu);
  transform: rotate(45deg);
}
.pillar__body { color: var(--light-muted); font-size: 14.5px; line-height: 2.15; margin: 0; }

/* ---------- 8. 稽古情報 ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.schedule { border-top: 1px solid var(--washi-2); }
.section--dark .schedule, .section--ink .schedule { border-top-color: var(--sumi-3); }
.schedule__row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--washi-2);
  align-items: baseline;
}
.section--dark .schedule__row, .section--ink .schedule__row { border-bottom-color: var(--sumi-3); }
.schedule__key {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--shu);
}
.section--dark .schedule__key, .section--ink .schedule__key { color: var(--kin-soft); }
.schedule__val { font-size: 15px; margin: 0; }
.schedule__val strong { font-size: 20px; font-family: var(--font-serif); letter-spacing: .06em; }
.schedule__note { font-size: 12.5px; color: var(--ink-muted); display: block; margin-top: 4px; }
.section--dark .schedule__note, .section--ink .schedule__note { color: var(--light-muted); }

.figure { position: relative; }
.figure img { width: 100%; }
/* 縦長すぎる写真は、指定した比率で切り抜いて高さを揃える */
.figure--crop img { aspect-ratio: 5 / 4; object-fit: cover; object-position: center 42%; }
.figure--crop-wide img { aspect-ratio: 16 / 11; object-fit: cover; object-position: center 40%; }
.figure__cap {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-top: 12px;
}
.section--dark .figure__cap, .section--ink .figure__cap { color: var(--light-muted); }
.figure--framed::before {
  content: "";
  position: absolute;
  inset: -14px -14px 26px 14px;
  border: 1px solid var(--kin);
  opacity: .45;
  pointer-events: none;
}

/* ---------- 9. お知らせ ---------- */
.news { display: grid; gap: 1px; background: var(--washi-2); }
.news__item {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 24px;
  align-items: center;
  background: var(--washi);
  padding: 26px 20px;
  transition: background .35s var(--ease), padding-left .35s var(--ease);
}
.news__item:hover { background: #fff; padding-left: 28px; }
.news__meta { display: flex; align-items: center; gap: 14px; }
.news__date {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  white-space: nowrap;
}
.news__tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  padding: 4px 10px;
  border: 1px solid var(--shu);
  color: var(--shu);
  white-space: nowrap;
}
.news__tag--event { border-color: var(--kin); color: #8a6d14; }
.news__title { font-size: 15.5px; font-family: var(--font-serif); margin: 0; }
.news__arrow { color: var(--shu); transition: transform .35s var(--ease); }
.news__item:hover .news__arrow { transform: translateX(6px); }

/* ---------- 10. 指導員 ---------- */
.masters { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(28px, 4vw, 56px); }
.master__photo {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--sumi-2);
}
.master__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* 縦長の写真でも顔が切れないよう、上寄りで表示する */
  object-position: 50% 12%;
  transition: transform 1.1s var(--ease), filter .8s var(--ease);
  filter: grayscale(.2);
}
.master:hover .master__photo img { transform: scale(1.05); filter: grayscale(0); }
.master__photo--empty {
  display: grid; place-items: center;
  color: var(--light-muted);
  font-size: 12px; letter-spacing: .18em; text-align: center;
  border: 1px dashed var(--sumi-3);
  padding: 20px;
}
.master__role {
  font-size: 10.5px; letter-spacing: 0.28em; color: var(--kin);
  margin: 22px 0 8px;
}
.master__name { font-size: clamp(20px, 2.6vw, 26px); }
.master__name span { font-size: 12px; letter-spacing: .16em; color: var(--ink-muted); margin-left: 12px; font-family: var(--font-sans); }
.section--dark .master__name span, .section--ink .master__name span { color: var(--light-muted); }
.master__body { font-size: 14px; line-height: 2.1; color: var(--ink-muted); margin: 16px 0 0; }
.section--dark .master__body, .section--ink .master__body { color: var(--light-muted); }
.record { margin-top: 18px; display: grid; gap: 7px; }
.record li {
  font-size: 12.5px;
  letter-spacing: .04em;
  padding-left: 18px;
  position: relative;
  color: var(--ink-muted);
}
.section--dark .record li, .section--ink .record li { color: var(--light-muted); }
.record li::before {
  content: "";
  position: absolute; left: 0; top: .82em;
  width: 7px; height: 7px;
  border: 1px solid var(--kin);
  transform: rotate(45deg);
}

/* ---------- 11. 引用・あいさつ ---------- */
.message { display: grid; grid-template-columns: minmax(0,1fr); gap: 28px; }
.message__quote {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.7;
  letter-spacing: .1em;
  position: relative;
  padding-left: 28px;
}
.message__quote::before {
  content: "";
  position: absolute; left: 0; top: .3em; bottom: .3em;
  width: 3px;
  background: linear-gradient(var(--shu), transparent);
}
.message__body p { font-size: 15px; line-height: 2.35; margin: 0 0 1.5em; }
.message__sign {
  text-align: right;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: .16em;
  margin-top: 8px;
}
.message__sign small { display: block; font-size: 11px; letter-spacing: .22em; color: var(--ink-muted); margin-bottom: 6px; font-family: var(--font-sans); }
.section--dark .message__sign small, .section--ink .message__sign small { color: var(--light-muted); }

/* ---------- 12. カード（イベント等） ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(20px, 3vw, 34px); }
.card {
  background: var(--washi);
  border: 1px solid var(--washi-2);
  display: flex; flex-direction: column;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .45s var(--ease);
}
.section--dark .card, .section--ink .card { background: var(--sumi-2); border-color: var(--sumi-3); }
.card:hover { transform: translateY(-6px); box-shadow: 0 22px 50px rgba(12,10,9,.14); border-color: var(--kin); }
.card__media { aspect-ratio: 3 / 4; overflow: hidden; background: var(--sumi-2); }
.card__media--wide { aspect-ratio: 16 / 10; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 26px 24px 30px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card__date { font-size: 11px; letter-spacing: .2em; color: var(--kin); }
.card__title { font-size: 18px; }
.card__text { font-size: 13.5px; line-height: 2.05; color: var(--ink-muted); margin: 0; }
.section--dark .card__text, .section--ink .card__text { color: var(--light-muted); }

/* ---------- 13. 帯（CTA） ---------- */
.band {
  position: relative;
  background: var(--sumi);
  color: var(--light-text);
  text-align: center;
  overflow: hidden;
}
.band__bg { position: absolute; inset: 0; opacity: .16; }
.band__bg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1); }
.band__inner { position: relative; z-index: 2; padding-block: clamp(70px, 9vw, 120px); }
.band__title { font-size: clamp(24px, 4vw, 40px); letter-spacing: .12em; }
.band__lead { color: var(--light-muted); max-width: 52ch; margin: 22px auto 0; font-size: 14.5px; }
.band__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }

/* ---------- 14. お問い合わせフォーム ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 5vw, 70px); align-items: start; }
.contact-list { display: grid; gap: 26px; }
.contact-list dt { font-size: 10.5px; letter-spacing: .26em; color: var(--kin); margin-bottom: 8px; }
.contact-list dd { margin: 0; font-size: 16px; font-family: var(--font-serif); letter-spacing: .06em; }
.contact-list dd small { display: block; font-family: var(--font-sans); font-size: 12.5px; color: var(--ink-muted); letter-spacing: .04em; margin-top: 6px; line-height: 1.9; }

.form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 12px; letter-spacing: .14em; font-weight: 500; }
.field label .req { color: var(--shu); margin-left: 6px; font-size: 10px; }
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 15px;
  padding: 13px 15px;
  border: 1px solid var(--washi-2);
  background: #fff;
  border-radius: var(--radius);
  color: var(--ink-text);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
  width: 100%;
}
.field textarea { min-height: 150px; resize: vertical; line-height: 1.9; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--shu);
  box-shadow: 0 0 0 3px rgba(200,16,46,.1);
}
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form__note { font-size: 12px; color: var(--ink-muted); line-height: 1.9; margin: 0; }
.form__status { font-size: 13.5px; padding: 14px 16px; border-radius: var(--radius); display: none; }
.form__status.is-ok { display: block; background: #eef6ed; border: 1px solid #b9d9b4; color: #2c5c28; }
.form__status.is-ng { display: block; background: #fdeef0; border: 1px solid #e8bcc3; color: #8f1c2b; }

/* ---------- 15. フッター ---------- */
.footer { background: var(--sumi); color: var(--light-muted); padding-block: clamp(56px, 7vw, 84px) 32px; }
.footer__top { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 44px; padding-bottom: 46px; border-bottom: 1px solid var(--sumi-3); }
.footer__brand { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.footer__brand img { width: 46px; border-radius: 50%; background: #fff; padding: 2px; }
.footer__name { font-family: var(--font-serif); font-size: 17px; letter-spacing: .12em; color: var(--light-text); }
.footer__desc { font-size: 13px; line-height: 2.1; max-width: 34ch; margin: 0; }
.footer__head { font-size: 10.5px; letter-spacing: .26em; color: var(--kin); margin-bottom: 18px; }
.footer__list { display: grid; gap: 12px; font-size: 13.5px; }
.footer__list a { transition: color .3s var(--ease); }
.footer__list a:hover { color: var(--kin-soft); }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 26px; font-size: 11.5px; letter-spacing: .1em; }

/* ---------- 16. 縦書きの飾り ---------- */
.vertical-mark {
  position: absolute;
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: .5em;
  color: rgba(201,162,39,.42);
  top: var(--section-y);
  right: 22px;
  pointer-events: none;
  user-select: none;
}
@media (max-width: 1100px) { .vertical-mark { display: none; } }

/* ---------- 17. スクロール表示アニメーション ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .95s var(--ease), transform .95s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }

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

/* ---------- 18. 下位ページのヘッダー ---------- */
.page-hero {
  position: relative;
  min-height: 54svh;
  display: grid;
  align-items: end;
  background: var(--sumi);
  color: var(--light-text);
  overflow: hidden;
}
.page-hero__media { position: absolute; inset: 0; }
.page-hero__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.5) brightness(.5); }
.page-hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,10,9,.92) 0%, rgba(12,10,9,.45) 45%, rgba(12,10,9,.95) 100%);
}
.page-hero__inner { position: relative; z-index: 2; padding: 0 0 clamp(44px, 6vw, 76px); }
.page-hero__en { font-size: 11px; letter-spacing: .42em; color: var(--kin); display: block; margin-bottom: 14px; }
.page-hero__ja { font-size: clamp(30px, 5.4vw, 54px); letter-spacing: .1em; }

/* ---------- 19. レスポンシブ ---------- */
@media (max-width: 900px) {
  .pillars { grid-template-columns: 1fr; }
  .info-grid, .contact-grid, .masters, .footer__top { grid-template-columns: 1fr; }
  .news__item { grid-template-columns: 1fr auto; gap: 12px 16px; padding: 22px 16px; }
  .news__meta { grid-column: 1 / -1; }
  .field--row { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .burger { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 34px;
    background: rgba(12,10,9,.985);
    backdrop-filter: blur(8px);
    transform: translateX(100%);
    transition: transform .55s var(--ease);
    z-index: 105;
  }
  .nav.is-open { transform: none; }
  .nav__link { font-size: 19px; font-family: var(--font-serif); letter-spacing: .24em; }
  .nav__cta { font-size: 14px; padding: 14px 34px; }
  .header.is-scrolled { padding-block: 10px; }
  .schedule__row { grid-template-columns: 1fr; gap: 6px; }
}