/* ============================================================
   SUUi — 共通スタイル
   世界観: 和モダン / 余白 / 自然光 / 木 / 生成り / ラベンダー
   方針: 派手な装飾・強いアニメーションは使わない。スマホ最優先。
   ============================================================ */

:root {
  /* 生成り */
  --bg: #faf7f1;
  --bg-soft: #f4efe6;
  /* ラベンダー */
  --lavender: #8b7ba8;
  --lavender-soft: #efeaf4;
  --lavender-deep: #6f6190;
  /* 木・土 */
  --ink: #4a4038;
  --ink-soft: #7d7268;
  --wood: #a98d6f;
  /* 線 */
  --line: #e5ddd0;
  /* 補助 */
  --green: #7c8a5f;
  --white: #fffdf9;
}

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

html { scroll-behavior: smooth; }
#today, #about-brief, #cards, #register, #breath {
  scroll-margin-top: 88px;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
  letter-spacing: 0.12em;
}

img { max-width: 100%; display: block; }

a { color: var(--lavender-deep); text-decoration: none; transition: opacity .3s ease; }
a:hover { opacity: .7; }

/* ---------- レイアウト ---------- */
.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }

section { padding: 88px 0; }
@media (min-width: 768px) { section { padding: 120px 0; } }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 241, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1040px; margin: 0 auto; padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  font-family: "Shippori Mincho", serif;
  font-size: 22px; letter-spacing: .22em; color: var(--ink);
}
.brand small {
  display: block; font-size: 10px; letter-spacing: .28em;
  color: var(--lavender); font-family: "Zen Kaku Gothic New", sans-serif;
}
.global-nav { display: flex; gap: 26px; align-items: center; }
.global-nav a {
  font-size: 13px; letter-spacing: .14em; color: var(--ink-soft);
  padding: 4px 0; border-bottom: 1px solid transparent;
}
.global-nav a:hover, .global-nav a.current { color: var(--lavender-deep); border-bottom-color: var(--lavender); opacity: 1; }
.nav-cta {
  background: var(--lavender); color: var(--white) !important;
  padding: 9px 18px !important; border-radius: 999px; border: none !important;
  font-size: 12px !important; letter-spacing: .1em;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--lavender-deep); opacity: 1 !important; }

/* モバイルナビ */
.nav-toggle { display: none; }
@media (max-width: 767px) {
  .nav-toggle {
    display: block; background: none; border: none; cursor: pointer;
    font-size: 12px; letter-spacing: .2em; color: var(--ink-soft);
    font-family: inherit; padding: 8px;
  }
  .global-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 12px 24px 24px;
  }
  .global-nav.open { display: flex; }
  .global-nav a { padding: 14px 0; width: 100%; text-align: center; font-size: 14px; }
  .nav-cta { margin-top: 10px; }
}

/* ---------- ヒーロー ---------- */
.hero { position: relative; padding: 0; }
.hero-img { position: relative; height: 76vh; min-height: 480px; max-height: 780px; overflow: hidden; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(250,247,241,0) 55%, rgba(250,247,241,.9) 96%, var(--bg) 100%);
}
.hero-copy {
  position: relative; text-align: center;
  margin-top: -120px; padding: 0 24px 72px; z-index: 2;
}
.hero-copy h1 {
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.9; color: var(--ink);
  text-shadow: 0 0 24px rgba(250,247,241,.9);
}
.hero-copy p {
  margin-top: 20px; font-size: clamp(13px, 2.6vw, 16px);
  letter-spacing: .18em; color: var(--ink-soft);
}
.hero-copy .hero-sub {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(15px, 2.8vw, 18px);
  letter-spacing: .16em;
  color: var(--ink);
}
.hero-copy .hero-lead {
  max-width: 520px; margin: 28px auto 0;
  font-size: clamp(13px, 2.4vw, 15px);
  line-height: 2.2; letter-spacing: .08em;
  color: var(--ink-soft);
}
.hero-copy .btn { margin-top: 36px; }

/* サブページヒーロー */
.page-hero { padding: 72px 0 0; text-align: center; }
.page-hero h1 { font-size: clamp(24px, 4.6vw, 36px); }
.page-hero .en {
  display: block; margin-top: 12px; font-size: 11px;
  letter-spacing: .34em; color: var(--lavender);
}

/* ---------- 見出し ---------- */
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(21px, 3.8vw, 30px); line-height: 1.9; }
.sec-head .en {
  display: block; margin-top: 10px; font-size: 11px;
  letter-spacing: .3em; color: var(--lavender);
}
.sec-head::after {
  content: ""; display: block; width: 40px; height: 1px;
  background: var(--lavender); margin: 26px auto 0; opacity: .55;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  background: var(--lavender); color: var(--white);
  font-size: 14px; letter-spacing: .16em;
  padding: 15px 44px; border-radius: 999px;
  border: 1px solid var(--lavender);
  transition: background .3s ease, color .3s ease;
}
.btn:hover { background: var(--lavender-deep); border-color: var(--lavender-deep); opacity: 1; }
.btn.ghost { background: transparent; color: var(--lavender-deep); }
.btn.ghost:hover { background: var(--lavender-soft); }
.btn[aria-disabled="true"] { background: var(--bg-soft); border-color: var(--line); color: var(--ink-soft); pointer-events: none; }

/* ---------- 汎用 ---------- */
.lead { text-align: center; color: var(--ink); }
.lead p + p { margin-top: 1.6em; }
.note-text { font-size: 13px; color: var(--ink-soft); }
.center { text-align: center; }
.mt-m { margin-top: 28px; }
.mt-l { margin-top: 48px; }
.bg-soft { background: var(--bg-soft); }
.bg-lavender { background: var(--lavender-soft); }

.about-brief {
  text-align: center;
  font-size: clamp(16px, 2.8vw, 20px);
  line-height: 2.4;
  color: var(--ink);
}
.about-brief p + p { margin-top: 1.6em; }
.about-brief__define {
  color: var(--lavender-deep);
  letter-spacing: .14em;
  font-size: clamp(16px, 2.9vw, 21px);
  line-height: 2.35;
}
.text-link {
  font-size: 13px; letter-spacing: .12em;
  color: var(--lavender-deep);
  border-bottom: 1px solid var(--lavender);
  padding-bottom: 2px;
}
.text-link:hover { opacity: .7; }

/* ---------- 今日の一息カード ---------- */
.breath-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 40px 28px;
  text-align: center;
}
.breath-card--feature {
  max-width: 480px;
  margin: 0 auto;
  padding: 48px 32px 52px;
  box-shadow: 0 8px 32px rgba(74, 64, 56, .04);
}
.breath-card__label {
  font-family: "Shippori Mincho", serif;
  font-size: 15px;
  letter-spacing: .2em;
  color: var(--lavender-deep);
}
.breath-card__body {
  margin-top: 28px;
}
.breath-card__body p {
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 2.2;
  color: var(--ink);
}
.breath-card__body p + p {
  margin-top: 1.4em;
  font-size: clamp(13px, 2.4vw, 15px);
  color: var(--ink-soft);
}

/* 一息カードビジュアル */
.cards-section {
  background: #f4efe6;
  padding-top: 72px;
  padding-bottom: 32px;
}
@media (min-width: 768px) {
  .cards-section {
    padding-top: 96px;
    padding-bottom: 40px;
  }
}
.breath-cards-visual {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
}
.breath-cards-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
  /* 下端をセクション背景へ自然に溶かす */
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 94%, rgba(0,0,0,.55) 98%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 94%, rgba(0,0,0,.55) 98%, transparent 100%);
}
.breath-cards-hotspot {
  position: absolute;
  left: 29%;
  top: 80.5%;
  width: 42%;
  height: 8.5%;
  border-radius: 999px;
  z-index: 2;
}
.breath-cards-hotspot:focus-visible {
  outline: 2px solid var(--lavender);
  outline-offset: 3px;
}
.breath-cards-hotspot:hover {
  opacity: 1;
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ---------- 登録フォーム ---------- */
.suui-form {
  max-width: 440px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 40px 28px 36px;
}
.form-field { margin-bottom: 24px; }
.form-field label {
  display: block;
  font-size: 13px;
  letter-spacing: .1em;
  margin-bottom: 8px;
  color: var(--ink);
}
.form-field .optional,
.form-field .required {
  margin-left: 10px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-soft);
}
.form-field .required { color: var(--lavender-deep); }
.form-field input {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  outline: none;
  transition: border-color .25s ease;
}
.form-field input:focus { border-color: var(--lavender); }
.form-field input.is-invalid { border-color: #c4767c; }
.form-error {
  margin-top: 8px;
  font-size: 12px;
  color: #c4767c;
  line-height: 1.6;
}
.btn-block {
  display: block;
  width: 100%;
  text-align: center;
  cursor: pointer;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
}
.btn-block:disabled { opacity: .55; cursor: wait; }

.welcome-kicker {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(16px, 3vw, 20px);
  letter-spacing: .16em;
  color: var(--lavender-deep);
  margin-bottom: 12px;
}

/* ---------- モバイル固定CTA ---------- */
.mobile-cta {
  display: none;
}
@media (max-width: 767px) {
  .has-mobile-cta { padding-bottom: 76px; }
  .mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    left: 16px; right: 16px; bottom: 16px;
    z-index: 90;
    background: var(--lavender);
    color: var(--white);
    font-size: 14px;
    letter-spacing: .16em;
    padding: 16px 20px;
    border-radius: 999px;
    box-shadow: 0 8px 28px rgba(74, 64, 56, .18);
  }
  .mobile-cta:hover { opacity: 1; background: var(--lavender-deep); }
}

.hairline { border: none; border-top: 1px solid var(--line); max-width: 1040px; margin: 0 auto; }

/* 2カラム（画像+文） */
.split { display: grid; gap: 40px; align-items: center; }
@media (min-width: 768px) {
  .split { grid-template-columns: 1fr 1fr; gap: 64px; }
  .split.reverse .split-img { order: 2; }
}
.split-img img { border-radius: 6px; }
.split-body h3 { font-size: 21px; margin-bottom: 20px; line-height: 1.9; }
.split-body p + p { margin-top: 1.4em; }
.split-body .btn { margin-top: 32px; }

/* カードグリッド */
.cards { display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .cards { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: 6px;
  padding: 32px 22px; text-align: center;
}
.card .card-title { font-family: "Shippori Mincho", serif; font-size: 17px; color: var(--lavender-deep); }
.card p { margin-top: 10px; font-size: 13px; line-height: 1.9; color: var(--ink-soft); }

/* 四つの力 */
.forces { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .forces { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
.force {
  background: var(--white); border: 1px solid var(--line); border-radius: 6px;
  padding: 36px 30px;
}
.force h3 { font-size: 20px; margin-bottom: 4px; }
.force .force-sub { font-size: 13px; color: var(--lavender-deep); letter-spacing: .1em; }
.force p { margin-top: 14px; font-size: 14px; color: var(--ink-soft); }
.force.modoru h3 { color: #8b7ba8; }
.force.sodateru h3 { color: #7c8a5f; }
.force.hiraku h3 { color: #c4767c; }
.force.megurasu h3 { color: #cf9042; }

/* 準備中グリッド */
.coming { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .coming { grid-template-columns: repeat(4, 1fr); } }
.coming .card { padding: 26px 16px; }
.tag-soon {
  display: inline-block; margin-top: 12px; font-size: 11px; letter-spacing: .2em;
  color: var(--lavender); border: 1px solid var(--lavender-soft);
  background: var(--lavender-soft); border-radius: 999px; padding: 3px 14px;
}

/* しないことリスト */
.nots { max-width: 640px; margin: 0 auto; list-style: none; }
.nots li {
  padding: 20px 0 20px 40px; border-bottom: 1px solid var(--line);
  position: relative; font-size: 15px;
}
.nots li::before {
  content: "○"; position: absolute; left: 8px; top: 20px;
  color: var(--lavender); font-size: 14px;
}
.nots li small { display: block; font-size: 13px; color: var(--ink-soft); margin-top: 2px; }

/* ステートメント */
.statement {
  text-align: center;
  padding: 100px 24px;
}
.statement .big {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(24px, 5vw, 40px); line-height: 2.1; letter-spacing: .16em;
}
.statement p { margin-top: 32px; color: var(--ink-soft); }
.statement .sign {
  margin-top: 48px; font-family: "Shippori Mincho", serif;
  letter-spacing: .3em; font-size: 18px; color: var(--ink);
}
.statement .sign small {
  display: block; font-size: 10px; letter-spacing: .3em;
  color: var(--lavender); margin-top: 6px;
  font-family: "Zen Kaku Gothic New", sans-serif;
}

/* 写真バナー */
.photo-band { position: relative; padding: 0; }
.photo-band img { width: 100%; height: 380px; object-fit: cover; }
@media (min-width: 768px) { .photo-band img { height: 480px; } }
.photo-band .band-copy {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 24px;
  background: rgba(46, 38, 52, .28);
}
.photo-band .band-copy .inner { color: #fdfbf7; }
.photo-band h2 {
  font-size: clamp(20px, 4vw, 30px); line-height: 2; letter-spacing: .18em;
  text-shadow: 0 1px 16px rgba(40,30,50,.5);
}
.photo-band p { margin-top: 14px; font-size: 14px; text-shadow: 0 1px 12px rgba(40,30,50,.6); }
.photo-band .btn { margin-top: 30px; background: rgba(250,247,241,.94); color: var(--lavender-deep); border-color: transparent; }
.photo-band .btn:hover { background: var(--white); }

/* フォーム風リンクリスト */
.link-list { max-width: 560px; margin: 0 auto; }
.link-list a, .link-list .link-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--white); border: 1px solid var(--line); border-radius: 6px;
  padding: 20px 26px; margin-bottom: 14px; color: var(--ink);
}
.link-list a:hover { border-color: var(--lavender); opacity: 1; }
.link-list .arrow { color: var(--lavender); }

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 64px 24px 40px; text-align: center;
}
.site-footer .brand { font-size: 24px; }
.footer-nav {
  margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center;
}
.footer-nav a { font-size: 13px; color: var(--ink-soft); }
.footer-sns { margin-top: 24px; display: flex; gap: 22px; justify-content: center; }
.footer-sns a { font-size: 12px; letter-spacing: .18em; color: var(--lavender-deep); }
.copyright { margin-top: 36px; font-size: 11px; letter-spacing: .12em; color: var(--ink-soft); }

/* ---------- ささやかなフェードイン ---------- */
.fade { opacity: 0; transform: translateY(14px); transition: opacity 1s ease, transform 1s ease; }
.fade.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { opacity: 1; transform: none; transition: none; }
}