@charset "UTF-8";
/* ============================================================
   整心整体 至高院  共通スタイル
   Main color: #ff0033
============================================================ */
:root {
  --red: #ff0033;
  --red-dark: #cf0029;
  --red-pale: #fff2f4;
  --ink: #332e2e;
  --ink-soft: #5c5454;
  --cream: #fdf8f4;
  --line: #eadfdc;
  --serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --header-h: 84px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  line-height: 1.9;
  font-size: 16px;
  background: #fff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; vertical-align: bottom; }
a { color: var(--red); text-decoration: none; transition: opacity .3s; }
a:hover { opacity: .75; }
ul { list-style: none; }

.inner {
  width: min(1080px, 92%);
  margin-inline: auto;
}

/* ------------------------------------------------------------
   ヘッダー（透明ナビ）
------------------------------------------------------------ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: transparent;
}
/* 背景（白帯＋ぼかし）は疑似要素に分離する。
   ヘッダー本体に backdrop-filter を掛けると、子のfixedメニューの
   基準枠がヘッダーになり全画面オーバーレイが機能しなくなるため。 */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 18px rgba(70,20,30,.08);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.header-inner {
  position: relative;
  z-index: 1;
  width: min(1240px, 94%);
  margin-inline: auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; align-items: center; position: relative; z-index: 1100; }
.logo img { height: 52px; width: auto; }
/* 透明ナビ時は白文字ロゴ（シンボルマークは常に赤）へ切替 */
.logo .logo-white { display: none; filter: drop-shadow(0 1px 6px rgba(0,0,0,.35)); }
body.home .site-header:not(.scrolled):not(.nav-open) .logo-default { display: none; }
body.home .site-header:not(.scrolled):not(.nav-open) .logo-white { display: block; }

.global-nav ul {
  display: flex;
  gap: 8px;
}
.global-nav a {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .04em;
  position: relative;
  transition: color .3s;
}
.global-nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 4px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.global-nav a:hover::after,
.global-nav a[aria-current="page"]::after { transform: scaleX(1); }
.global-nav a[aria-current="page"] { color: var(--red); }

/* 透明時（ホームの写真上）は白文字 */
body.home .site-header:not(.scrolled):not(.nav-open) .global-nav a { color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,.35); }
body.home .site-header:not(.scrolled):not(.nav-open) .global-nav a::after { background: #fff; }

/* スクロール後 ／ メニュー展開中は白背景 */
.site-header.scrolled::before,
.site-header.nav-open::before { opacity: 1; }

/* ハンバーガー */
.nav-toggle {
  display: none;
  position: relative;
  width: 48px; height: 48px;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 1100;
}
.nav-toggle span {
  position: absolute;
  left: 12px;
  width: 24px; height: 2px;
  background: var(--ink);
  transition: .35s;
}
.nav-toggle span:nth-child(1) { top: 17px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle span:nth-child(3) { top: 31px; }
body.home .site-header:not(.scrolled):not(.nav-open) .nav-toggle span { background: #fff; }
.site-header.nav-open .nav-toggle span:nth-child(1) { top: 24px; transform: rotate(45deg); background: var(--ink); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { top: 24px; transform: rotate(-45deg); background: var(--ink); }

@media (max-width: 900px) {
  :root { --header-h: 68px; }
  .logo img { height: 42px; }
  .nav-toggle { display: block; }

  /* 全画面オーバーレイメニュー */
  .global-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 1050;
    background: #fff5f6;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--header-h) + 28px) 24px 48px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .35s ease, visibility .35s ease, transform .35s ease;
  }
  .site-header.nav-open .global-nav {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .global-nav ul {
    flex-direction: column;
    gap: 0;
    width: min(420px, 100%);
    margin-inline: auto;
    text-align: center;
  }
  .global-nav li + li { border-top: 1px solid #f2d9de; }
  .global-nav a {
    display: block;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .08em;
    padding: 20px 12px;
    color: var(--ink) !important;
    text-shadow: none !important;
  }
  /* 下線アニメーションはSPでは無効化し、現在地は赤文字で示す */
  .global-nav a::after { display: none; }
  .global-nav a[aria-current="page"] { color: var(--red) !important; }
}

/* ------------------------------------------------------------
   ヒーロー（ホーム）
------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url("../assets/uploads/main.jpg") center 65% / cover no-repeat;
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,20,60,.45) 0%, rgba(10,20,60,.05) 40%, rgba(10,20,60,.35) 100%);
}
.hero-body { position: relative; z-index: 1; padding: 140px 6% 90px; }
.hero-catch {
  font-family: var(--serif);
  font-size: clamp(26px, 4.6vw, 52px);
  font-weight: 700;
  line-height: 1.75;
  letter-spacing: .08em;
  text-shadow: 0 3px 20px rgba(0,0,0,.5);
}
.hero-catch .accent { color: #ffd7de; }
.hero-sub {
  margin-top: 22px;
  font-size: clamp(14px, 1.8vw, 18px);
  letter-spacing: .12em;
  text-shadow: 0 2px 10px rgba(0,0,0,.5);
}
.hero-tel {
  display: inline-block;
  margin-top: 30px;
  padding: 10px 28px;
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: .1em;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(3px);
}
.hero .img-caption {
  position: absolute;
  right: 12px; bottom: 8px;
  z-index: 1;
  color: rgba(255,255,255,.85);
  text-shadow: 0 1px 4px rgba(0,0,0,.5);
}
.hero-scroll {
  position: absolute;
  left: 50%; bottom: 22px;
  transform: translateX(-50%);
  z-index: 1;
  color: #fff;
  font-size: 11px;
  letter-spacing: .3em;
  writing-mode: vertical-rl;
  padding-bottom: 44px;
}
.hero-scroll::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 1px; height: 38px;
  background: #fff;
  animation: scrollLine 2s infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ------------------------------------------------------------
   下層ページヘッダー
------------------------------------------------------------ */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 70px) 0 64px;
  background: url("../assets/uploads/header.jpg") center / cover no-repeat;
  text-align: center;
}
.page-hero::after {
  content: "";
  position: absolute; inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), #ff8fa5);
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 40px);
  letter-spacing: .1em;
  color: var(--ink);
}
.page-hero .en {
  display: block;
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--red);
  text-transform: uppercase;
}
.breadcrumb {
  margin-top: 14px;
  font-size: 12px;
  color: var(--ink-soft);
}
.breadcrumb a { color: var(--ink-soft); text-decoration: underline; }

/* ------------------------------------------------------------
   セクション共通
------------------------------------------------------------ */
.section { padding: 90px 0; }
.section.tinted { background: var(--cream); }
.section.pale-red { background: var(--red-pale); }

.sec-title {
  text-align: center;
  margin-bottom: 48px;
}
.sec-title .en {
  display: block;
  font-size: 12px;
  letter-spacing: .32em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.sec-title h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3.4vw, 36px);
  letter-spacing: .08em;
  line-height: 1.5;
}
.sec-title.left { text-align: left; }

.sub-title {
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: .06em;
  margin-bottom: 18px;
  padding-left: 16px;
  border-left: 4px solid var(--red);
  line-height: 1.5;
}

.catch {
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 700;
  color: var(--red);
  letter-spacing: .06em;
  text-align: center;
  line-height: 1.8;
}

.lead { max-width: 800px; margin-inline: auto; }
.lead p + p { margin-top: 1.2em; }

.img-caption {
  display: block;
  font-size: 11px;
  color: #9b8f8f;
  text-align: right;
  margin-top: 6px;
  letter-spacing: .05em;
}

figure.framed img {
  border-radius: 14px;
  box-shadow: 0 14px 40px rgba(80,20,35,.14);
}

/* 2カラム */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  align-items: center;
}
.split.reverse .split-img { order: 2; }
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; gap: 30px; }
  .split.reverse .split-img { order: 0; }
}

/* ボタン */
.btn {
  display: inline-block;
  min-width: 260px;
  padding: 16px 34px;
  background: var(--red);
  color: #fff;
  font-weight: 700;
  letter-spacing: .1em;
  text-align: center;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(255,0,51,.3);
  position: relative;
  transition: transform .3s, box-shadow .3s, opacity .3s;
}
.btn::after {
  content: "→";
  margin-left: 10px;
  font-family: var(--sans);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(255,0,51,.4); opacity: 1; }
.btn.ghost {
  background: #fff;
  color: var(--red);
  border: 2px solid var(--red);
  box-shadow: none;
}
.btn-wrap { text-align: center; margin-top: 40px; }

/* ------------------------------------------------------------
   インフォメーション
------------------------------------------------------------ */
.info-list {
  max-width: 780px;
  margin-inline: auto;
  border-top: 1px solid var(--line);
}
.info-list li {
  display: flex;
  gap: 24px;
  padding: 18px 10px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.info-list time {
  color: var(--red);
  font-weight: 700;
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   フルブリード帯
------------------------------------------------------------ */
.fullbleed-band {
  position: relative;
  padding: 100px 0;
  background-position: center;
  background-size: cover;
  color: #fff;
  text-align: center;
}
.fullbleed-band::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(160,0,35,.86), rgba(255,0,51,.72));
}
.fullbleed-band > .inner { position: relative; z-index: 1; }
.fullbleed-band h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 3.2vw, 34px);
  letter-spacing: .08em;
  margin-bottom: 22px;
  line-height: 1.7;
}
.fullbleed-band .btn {
  background: #fff;
  color: var(--red);
  box-shadow: 0 8px 22px rgba(0,0,0,.25);
}

/* ストレス図（フルブリード） */
.stress-full {
  padding: 90px 0;
  background: linear-gradient(180deg, #f4f8ef 0%, #eef4f8 100%);
}
.stress-full .stress-img {
  display: block;
  width: min(1400px, 96%);
  margin: 40px auto 0;
  border-radius: 12px;
  box-shadow: 0 18px 50px rgba(60,80,60,.18);
}

/* ------------------------------------------------------------
   お悩みチェックリスト
------------------------------------------------------------ */
.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 26px;
  margin-top: 30px;
}
@media (max-width: 700px) { .check-grid { grid-template-columns: 1fr; } }
.check-grid li {
  position: relative;
  padding: 12px 14px 12px 44px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  line-height: 1.6;
}
.check-grid li::before {
  content: "";
  position: absolute;
  left: 14px; top: 16px;
  width: 18px; height: 18px;
  border-radius: 4px;
  background: var(--red);
}
.check-grid li::after {
  content: "";
  position: absolute;
  left: 18px; top: 19px;
  width: 9px; height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.check-note { margin-top: 26px; }

/* お悩み：画像＋リストの2カラム */
.trouble-split { align-items: start; }
.trouble-split .check-grid { margin-top: 0; }
.check-grid.single { grid-template-columns: 1fr; }
@media (min-width: 821px) {
  .trouble-split .split-img {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

/* ------------------------------------------------------------
   アクセス・マップ（フルブリード）
------------------------------------------------------------ */
.map-full { position: relative; }
.map-full iframe {
  display: block;
  width: 100%;
  height: 480px;
  border: 0;
  filter: saturate(.92);
}
@media (max-width: 700px) { .map-full iframe { height: 360px; } }
.access-notes { margin-top: 30px; }
.access-notes li {
  position: relative;
  padding: 6px 0 6px 26px;
}
.access-notes li::before {
  content: "";
  position: absolute;
  left: 4px; top: 17px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--red);
}

/* ------------------------------------------------------------
   囲み（お知らせボックス）
------------------------------------------------------------ */
.box-note {
  max-width: 860px;
  margin: 60px auto 0;
  padding: 34px 36px;
  border: 2px solid var(--red);
  border-radius: 14px;
  background: #fff;
  text-align: center;
}
.box-note .box-title {
  font-family: var(--serif);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--red);
  margin-bottom: 12px;
  line-height: 1.6;
}

/* ------------------------------------------------------------
   施術メニュー
------------------------------------------------------------ */
.menu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  max-width: 900px;
  margin-inline: auto;
}
.menu-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 36px;
  box-shadow: 0 10px 30px rgba(90,30,40,.08);
  border-top: none;
  border-left: 4px solid var(--red);
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 4px 26px;
  align-items: start;
}
.menu-card .icon {
  width: 66px; height: 66px;
  grid-column: 1;
  grid-row: 1;
  display: grid;
  place-content: center;
  border-radius: 50%;
  background: var(--red-pale);
}
/* アイコン以外のテキストは右カラムへ */
.menu-card > *:not(.icon) { grid-column: 2; }
.menu-card .icon svg { width: 30px; height: 30px; fill: none; stroke: var(--red); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.menu-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .05em;
  margin-bottom: 6px;
  align-self: center;
}

@media (max-width: 600px) {
  .menu-card {
    grid-template-columns: 56px 1fr;
    gap: 4px 18px;
    padding: 26px 22px;
  }
  .menu-card .icon { width: 52px; height: 52px; }
  .menu-card .icon svg { width: 26px; height: 26px; }
  .menu-card h3 { font-size: 19px; }
}
.menu-card .menu-catch {
  color: var(--red);
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 12px;
  line-height: 1.6;
}
.menu-card p { font-size: 15px; }

/* 料金ハイライト */
.price-highlight {
  display: inline-block;
  margin-top: 18px;
  padding: 14px 34px;
  background: #fff;
  color: var(--red);
  font-family: var(--serif);
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  border-radius: 12px;
  letter-spacing: .04em;
}

/* ------------------------------------------------------------
   プロフィール
------------------------------------------------------------ */
/* プロフィール本文（1カラム） */
.profile-body {
  max-width: 820px;
  margin-inline: auto;
  background: #fff;
  border-radius: 16px;
  padding: clamp(28px, 4.5vw, 52px);
  box-shadow: 0 10px 30px rgba(90,30,40,.08);
}

.profile-name {
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 26px);
  margin-bottom: 16px;
}
.profile-name small { display: block; font-size: 13px; color: var(--ink-soft); letter-spacing: .1em; }
.qual-list { margin-top: 22px; }
.qual-list li {
  position: relative;
  padding: 5px 0 5px 26px;
}
.qual-list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 15px;
  width: 10px; height: 10px;
  background: var(--red);
  border-radius: 3px;
  transform: rotate(45deg);
}

/* チラシ画像 */
.flyer-stack {
  display: grid;
  gap: 50px;
  max-width: 880px;
  margin-inline: auto;
}
.flyer-stack img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 16px 44px rgba(80,20,35,.16);
}

/* ------------------------------------------------------------
   Coming soon（ブログ）
------------------------------------------------------------ */
.comingsoon2 {
  max-width: 760px;
  margin-inline: auto;
  padding: 110px 30px;
  text-align: center;
  font-family: var(--serif);
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: .3em;
  color: var(--ink-soft);
  background: var(--cream);
  border: 1px dashed #d8c8c4;
  border-radius: 16px;
}

/* ------------------------------------------------------------
   お問い合わせフォーム
------------------------------------------------------------ */
.contact-form {
  max-width: 760px;
  margin-inline: auto;
  background: #fff;
  border-radius: 18px;
  padding: clamp(26px, 5vw, 54px);
  box-shadow: 0 14px 40px rgba(90,30,40,.1);
}
.form-row { margin-bottom: 26px; }
.form-row label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 15px;
}
.req, .opt {
  display: inline-block;
  margin-left: 10px;
  padding: 1px 10px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  vertical-align: 2px;
}
.req { background: var(--red); color: #fff; }
.opt { background: #b9aeae; color: #fff; }
.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #d9cfcc;
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  background: #fbf9f8;
  transition: border-color .3s, background .3s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
}
.contact-form textarea { min-height: 200px; resize: vertical; }
.agree-row { text-align: center; font-size: 14px; margin: 30px 0 8px; }
.agree-row input { width: 18px; height: 18px; accent-color: var(--red); vertical-align: -3px; margin-right: 8px; }
.submit-wrap { text-align: center; margin-top: 20px; }
.submit-btn {
  min-width: 280px;
  padding: 18px 40px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .12em;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(255,0,51,.32);
  transition: transform .3s, box-shadow .3s;
}
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,0,51,.42); }

/* プライバシーポリシー */
.policy {
  max-width: 860px;
  margin-inline: auto;
}
.policy h3 {
  font-family: var(--serif);
  font-size: 19px;
  margin: 34px 0 10px;
  padding-left: 14px;
  border-left: 4px solid var(--red);
}
.policy ol { padding-left: 1.4em; }
.policy ol li { margin: 4px 0; list-style: decimal; }

/* ------------------------------------------------------------
   フッター
------------------------------------------------------------ */
.site-footer {
  background: #241f20;
  color: #efe8e8;
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo img { height: 54px; width: auto; }
.footer-info { margin-top: 18px; font-size: 14px; color: #cfc4c4; }
.footer-info strong { color: #fff; font-size: 16px; }
.footer-nav ul { display: grid; gap: 6px; }
.footer-nav a {
  color: #efe8e8;
  font-size: 14px;
  display: inline-block;
  padding: 4px 0 4px 18px;
  position: relative;
}
.footer-nav a::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 8px; height: 1px;
  background: var(--red);
}
.copyright {
  margin-top: 54px;
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: #a89b9b;
  border-top: 1px solid #3a3435;
  letter-spacing: .08em;
}

/* ------------------------------------------------------------
   TOPに戻る
------------------------------------------------------------ */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 900;
  width: 52px; height: 52px;
  border: none;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(255,0,51,.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: .4s;
  display: grid;
  place-content: center;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top::before {
  content: "";
  width: 12px; height: 12px;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
  transform: rotate(45deg) translate(2px, 2px);
}
.to-top:hover { background: var(--red-dark); }

/* ------------------------------------------------------------
   スクロールフェードイン
------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* 表示切替ユーティリティ */
.sp-only { display: none; }

@media (max-width: 700px) {
  .section { padding: 64px 0; }
  body { font-size: 15px; }
  .sp-only { display: inline; }
  .pc-only { display: none; }
}