/* =====================================================
   たいよう整骨院 — style.css
   参考: ys8131.jp レイアウト準拠
   ===================================================== */

/* ---------- Google Fonts (丸ゴシック) ---------- */
@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@400;700;900&family=Noto+Sans+JP:wght@400;700;900&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --orange:      #F07B22;
  --amber:       #E8A020;
  --orange-light:#FFF4E0;
  --orange-pale: #FEF6EC;
  --cream:       #FAFAF7;
  --dark:        #1A1410;
  --dark-mid:    #2C2416;
  --text:        #333028;
  --text-sub:    #5A5248;
  --white:       #FFFFFF;
  --border:      rgba(240,123,34,.15);
  --shadow-s:    0 2px 10px rgba(0,0,0,.08);
  --shadow-m:    0 6px 28px rgba(0,0,0,.12);
  --shadow-o:    0 4px 20px rgba(240,123,34,.25);
  --radius:      10px;
  --radius-l:    16px;
  --w:           1100px;
  --hh:          70px; /* header height */
  --font-round:  'M PLUS Rounded 1c', 'Noto Sans JP', sans-serif;
  --font-body:   'Noto Sans JP', sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* =====================================================
   HEADER
   ===================================================== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--hh);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  transition: box-shadow .3s;
}
#header.scrolled { box-shadow: var(--shadow-s); }

/* ロゴ＋院名 */
.h-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.h-brand img {
  height: 46px;
  width: auto;
}
.h-brand-name {
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--orange);
  line-height: 1.25;
  letter-spacing: .03em;
}
.h-brand-sub {
  font-size: .68rem;
  color: var(--text-sub);
  font-weight: 400;
  display: block;
  letter-spacing: .06em;
}

/* ナビ */
.h-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.h-nav a {
  font-size: .8rem;
  font-weight: 700;
  color: var(--dark-mid);
  padding: 6px 14px;
  border-radius: 6px;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.h-nav a:hover { background: var(--orange-light); color: var(--orange); }

/* 右側アクションボタン */
.h-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.h-tel {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--orange);
  color: var(--white);
  font-size: .82rem;
  font-weight: 700;
  padding: 9px 18px;
  border-radius: 999px;
  transition: background .2s, transform .2s;
  white-space: nowrap;
}
.h-tel:hover { background: var(--amber); transform: translateY(-1px); }
.h-tel svg { width: 15px; height: 15px; flex-shrink: 0; }

.h-line {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #06C755;
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  padding: 9px 14px;
  border-radius: 999px;
  transition: opacity .2s, transform .2s;
}
.h-line:hover { opacity: .88; transform: translateY(-1px); }
.h-line svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ハンバーガー（SPのみ表示） */
.h-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.h-hamburger span {
  display: block;
  height: 2px;
  background: var(--dark-mid);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.h-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.h-hamburger.open span:nth-child(2) { opacity: 0; }
.h-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* SPドロワー */
.h-drawer {
  display: none;
  position: fixed;
  top: var(--hh);
  left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 20px 24px 32px;
  box-shadow: var(--shadow-m);
  z-index: 199;
  flex-direction: column;
  gap: 4px;
}
.h-drawer.open { display: flex; }
.h-drawer a {
  display: block;
  padding: 12px 8px;
  font-size: .9rem;
  font-weight: 700;
  color: var(--dark-mid);
  border-bottom: 1px solid var(--border);
}
.h-drawer .drawer-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

/* =====================================================
   HERO
   ===================================================== */
#hero {
  position: relative;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-top: var(--hh);
}

/* スライド */
.hero-slides {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.hero-slide.active { opacity: 1; animation: kb 9s ease-in-out forwards; }
.hero-slide:nth-child(1) { background-image: url('images/hero-01.png'); }
.hero-slide:nth-child(2) { background-image: url('images/hero-02.png'); }
.hero-slide:nth-child(3) { background-image: url('images/hero-03.png'); }

@keyframes kb {
  0%   { transform: scale(1.0); }
  100% { transform: scale(1.07); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(10,8,6,.62) 0%,
    rgba(10,8,6,.30) 55%,
    rgba(10,8,6,.08) 100%
  );
}

.hero-body {
  position: relative;
  z-index: 2;
  padding: 0 60px;
  max-width: 680px;
  color: var(--white);
}


.hero-catch {
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  font-weight: 900;
  line-height: 1.45;
  text-shadow: 0 2px 16px rgba(0,0,0,.45);
  margin-bottom: 20px;
  /* 行末の1〜2文字孤立を防ぐ */
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.hero-catch em {
  font-style: normal;
  color: #FFD97A;
}
.hero-sub {
  font-size: clamp(.88rem, 2vw, 1.05rem);
  opacity: .9;
  line-height: 1.9;
  margin-bottom: 36px;
  text-shadow: 0 1px 8px rgba(0,0,0,.4);
}
.hero-cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--orange);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 32px;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(240,123,34,.55);
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(240,123,34,.65); }
.btn-primary svg { width: 20px; height: 20px; }
.btn-line-hero {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #06C755;
  color: var(--white);
  font-size: .95rem;
  font-weight: 700;
  padding: 15px 28px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(6,199,85,.4);
  transition: transform .2s, opacity .2s;
}
.btn-line-hero:hover { transform: translateY(-2px); opacity: .9; }
.btn-line-hero svg { width: 20px; height: 20px; }

/* スクロール矢印 */
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: rgba(255,255,255,.65);
  font-size: .65rem;
  letter-spacing: .15em;
  animation: bounce 2.2s ease infinite;
}
.hero-scroll svg { width: 18px; height: 18px; }
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(7px); }
}

/* =====================================================
   SHARED SECTION STYLES
   ===================================================== */
section { padding: 90px 24px; }
.inner { max-width: var(--w); margin: 0 auto; }

.sec-en {
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .25em;
  color: var(--orange);
  display: block;
  margin-bottom: 6px;
}
.sec-title {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 900;
  color: var(--dark-mid);
  line-height: 1.3;
  margin-bottom: 20px;
}
.sec-title span { color: var(--orange); }
.sec-lead {
  color: var(--text-sub);
  font-size: .92rem;
  line-height: 1.9;
  max-width: 600px;
}
.sec-head { margin-bottom: 48px; }
.sec-head-center { text-align: center; margin-bottom: 48px; }
.sec-head-center .sec-lead { margin: 0 auto; }

/* fade-in */
.fi {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}
.fi.vis { opacity: 1; transform: none; }
.fi-d1 { transition-delay: .1s; }
.fi-d2 { transition-delay: .2s; }
.fi-d3 { transition-delay: .3s; }
.fi-d4 { transition-delay: .4s; }

/* =====================================================
   CONCEPT — About
   ===================================================== */
#concept { background: var(--white); }

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 64px;
}
.concept-img {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-m);
}
.concept-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.concept-text .sec-en { margin-bottom: 8px; }
.concept-text p {
  color: var(--text-sub);
  font-size: .93rem;
  line-height: 1.9;
  margin-bottom: 24px;
}
.hours-box {
  background: var(--orange-pale);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-top: 8px;
}
.hours-box h4 {
  font-size: .78rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .12em;
  margin-bottom: 12px;
}
.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: .88rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(240,123,34,.12);
  color: var(--text-sub);
}
.hours-row:last-child { border-bottom: none; }
.hours-row strong { color: var(--dark-mid); }
.badge-cl {
  display: inline-block;
  background: #fde8d8;
  color: #c0530a;
  font-size: .7rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  margin-right: 4px;
}

/* 特徴4つ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--cream);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-s);
}
.feature-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: center;
}
.feature-card-body {
  padding: 16px 16px 20px;
}
.feature-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 6px;
  opacity: .5;
}
.feature-card-body h3 {
  font-size: .9rem;
  font-weight: 800;
  color: var(--dark-mid);
  line-height: 1.45;
  margin-bottom: 8px;
}
.feature-card-body p {
  font-size: .8rem;
  color: var(--text-sub);
  line-height: 1.75;
}

/* =====================================================
   TREATMENT — サービス
   ===================================================== */
#treatment { background: var(--orange-pale); }

.treatment-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}
.treatment-card {
  background: var(--white);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-s);
  transition: transform .25s, box-shadow .25s;
}
.treatment-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.treatment-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center;
}
.treatment-card-body {
  padding: 22px 24px 26px;
}
.treatment-tag {
  display: inline-block;
  background: var(--orange-light);
  color: var(--orange);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.treatment-card-body h3 {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--dark-mid);
  margin-bottom: 10px;
  line-height: 1.35;
}
.treatment-card-body p {
  font-size: .85rem;
  color: var(--text-sub);
  line-height: 1.85;
}

/* メニューチップ一覧 */
.menu-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.menu-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-s);
  border-left: 3px solid var(--orange);
}
.menu-item-en {
  font-size: .65rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.menu-item-ja {
  font-size: .9rem;
  font-weight: 700;
  color: var(--dark-mid);
}
.menu-item-desc {
  font-size: .78rem;
  color: var(--text-sub);
  line-height: 1.65;
}

/* =====================================================
   SYMPTOMS — 症状別
   ===================================================== */
#symptoms { background: var(--dark-mid); color: var(--white); }
#symptoms .sec-title { color: var(--white); }
#symptoms .sec-title span { color: #FFD97A; }
#symptoms .sec-lead { color: rgba(255,255,255,.75); }

.symptoms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.symptom-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 22px 20px 24px;
  transition: background .2s, border-color .2s;
}
.symptom-card:hover {
  background: rgba(240,123,34,.15);
  border-color: rgba(240,123,34,.4);
}
.symptom-en {
  font-size: .65rem;
  letter-spacing: .15em;
  color: var(--orange);
  font-weight: 700;
  margin-bottom: 6px;
}
.symptom-ja {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--white);
}
.symptom-card ul {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.symptom-card li {
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  padding-left: 14px;
  position: relative;
  line-height: 1.6;
}
.symptom-card li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-size: .7rem;
}

/* =====================================================
   REASONS — 選ばれる理由
   ===================================================== */
#reasons { background: var(--white); }

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.reason-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-l);
  padding: 32px 26px 30px;
  position: relative;
  transition: border-color .25s, box-shadow .25s;
}
.reason-card:hover { border-color: var(--orange); box-shadow: var(--shadow-o); }
.reason-num-bg {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 4rem;
  font-weight: 900;
  color: var(--orange);
  opacity: .08;
  line-height: 1;
  pointer-events: none;
}
.reason-icon {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: var(--shadow-o);
}
.reason-icon svg { width: 26px; height: 26px; color: var(--white); }
.reason-card h3 {
  font-size: .98rem;
  font-weight: 800;
  color: var(--dark-mid);
  line-height: 1.45;
  margin-bottom: 12px;
}
.reason-card p {
  font-size: .83rem;
  color: var(--text-sub);
  line-height: 1.85;
}

/* =====================================================
   VOICE — お客様の声
   ===================================================== */
#voice { background: var(--orange-pale); }

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.voice-card {
  background: var(--white);
  border-radius: var(--radius-l);
  padding: 26px 22px 28px;
  box-shadow: var(--shadow-s);
  position: relative;
}
.voice-card::before {
  content: '\201C';
  position: absolute;
  top: 10px; left: 16px;
  font-size: 4rem;
  color: var(--orange);
  opacity: .2;
  line-height: 1;
  font-family: Georgia, serif;
}
.voice-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 10px;
}
.voice-stars svg { width: 16px; height: 16px; color: #FFB800; fill: #FFB800; }
.voice-card p {
  font-size: .85rem;
  color: var(--text-sub);
  line-height: 1.85;
  margin-bottom: 16px;
}
.voice-name {
  font-size: .8rem;
  font-weight: 700;
  color: var(--orange);
}

/* =====================================================
   ACCESS — 会社概要 + MAP
   ===================================================== */
#access { background: var(--white); }

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.info-tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}
.info-tbl th, .info-tbl td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(0,0,0,.07);
  text-align: left;
  vertical-align: top;
}
.info-tbl th {
  background: var(--orange-pale);
  color: var(--orange);
  font-weight: 700;
  width: 36%;
  white-space: nowrap;
}
.info-tbl td { color: var(--text-sub); }
.info-tbl a { color: var(--orange); font-weight: 700; }
.payment-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px 0;
}
.pay-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
}
.pay-qr {
  background: #FFF0E0;
  color: var(--orange);
  border: 1px solid rgba(240,123,34,.3);
}
.pay-card {
  background: #EEF2FF;
  color: #3B5BDB;
  border: 1px solid rgba(59,91,219,.25);
}
.map-wrap {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-m);
  height: 340px;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; }

/* =====================================================
   CONTACT CTA
   ===================================================== */
#contact {
  background: linear-gradient(130deg, var(--orange) 0%, var(--amber) 100%);
  color: var(--white);
  text-align: center;
  padding: 80px 24px 96px;
}
#contact .sec-en { color: rgba(255,255,255,.7); }
#contact .sec-title { color: var(--white); }
#contact .sec-title span { color: #FFD97A; }
#contact .sec-lead { color: rgba(255,255,255,.88); margin: 0 auto 40px; }

.contact-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn-tel-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--white);
  color: var(--orange);
  font-size: 1.1rem;
  font-weight: 900;
  padding: 18px 38px;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  transition: transform .2s, box-shadow .2s;
}
.btn-tel-cta:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,.22); }
.btn-tel-cta svg { width: 22px; height: 22px; }
.btn-line-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: #06C755;
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  padding: 18px 32px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(6,199,85,.4);
  transition: transform .2s, opacity .2s;
}
.btn-line-cta:hover { transform: translateY(-3px); opacity: .9; }
.btn-line-cta svg { width: 20px; height: 20px; }
.btn-instagram-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);
  color: var(--white);
  font-size: .95rem;
  font-weight: 700;
  padding: 14px 26px;
  border-radius: 999px;
  transition: opacity .2s, transform .2s;
}
.btn-instagram-cta:hover { opacity: .88; transform: translateY(-2px); }
.btn-instagram-cta svg { width: 18px; height: 18px; }

.contact-tel-big {
  font-size: clamp(1.6rem,5vw,2.5rem);
  font-weight: 900;
  letter-spacing: .04em;
}
.contact-tel-big a { color: #FFD97A; }
.contact-hours-note {
  font-size: .82rem;
  opacity: .84;
  margin-top: 10px;
  line-height: 1.8;
}

/* =====================================================
   FOOTER
   ===================================================== */
#footer {
  background: var(--dark);
  color: rgba(255,255,255,.55);
  padding: 48px 24px 80px;
}
.footer-inner {
  max-width: var(--w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: start;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand img { height: 44px; width: auto; opacity: .85; }
.footer-brand-name {
  font-family: var(--font-round);
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,.8);
}
.footer-addr {
  font-size: .8rem;
  line-height: 1.9;
}
.footer-addr a { color: var(--amber); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  font-size: .78rem;
}
.footer-nav a { color: rgba(255,255,255,.55); transition: color .2s; }
.footer-nav a:hover { color: var(--amber); }
.footer-copy {
  text-align: center;
  font-size: .72rem;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
}

/* =====================================================
   FAB（スマホ固定電話ボタン）
   ===================================================== */
.fab {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  align-items: center;
  gap: 9px;
  background: var(--orange);
  color: var(--white);
  font-size: .95rem;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(240,123,34,.6);
  z-index: 300;
  white-space: nowrap;
  animation: fab-glow 2.5s ease infinite;
}
.fab svg { width: 19px; height: 19px; }
@keyframes fab-glow {
  0%,100% { box-shadow: 0 4px 20px rgba(240,123,34,.55); }
  50%      { box-shadow: 0 6px 30px rgba(240,123,34,.85); }
}

/* =====================================================
   RESPONSIVE — SP (≤768px)
   ===================================================== */
@media (max-width: 768px) {
  :root { --hh: 58px; }

  /* Header */
  .h-nav { display: none; }
  .h-line { display: none; }
  .h-tel .tel-label { display: none; }
  .h-tel { padding: 9px 13px; }
  .h-hamburger { display: flex; }
  .h-brand-name { font-size: .92rem; }

  /* Hero */
  .hero-slide:nth-child(1) { background-image: url('images/hero-01-sp.png'); background-position: center top; }
  .hero-slide:nth-child(2) { background-image: url('images/hero-02-sp.png'); background-position: center top; }
  .hero-slide:nth-child(3) { background-image: url('images/hero-03-sp.png'); background-position: center top; }

  .hero-body { padding: 0 24px; max-width: 100%; }
  .hero-catch { font-size: 1.45rem; }
  .hero-cta-row { flex-direction: column; gap: 10px; }
  .btn-primary, .btn-line-hero { width: 100%; max-width: 320px; justify-content: center; }

  /* Sections */
  section { padding: 64px 18px; }

  /* Concept */
  .concept-grid { grid-template-columns: 1fr; gap: 28px; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 14px; }

  /* Treatment */
  .treatment-main { grid-template-columns: 1fr; gap: 18px; }
  .menu-list { grid-template-columns: 1fr 1fr; gap: 10px; }

  /* Symptoms */
  .symptoms-grid { grid-template-columns: 1fr 1fr; gap: 12px; }

  /* Reasons */
  .reasons-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Voice */
  .voice-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Access */
  .access-grid { grid-template-columns: 1fr; gap: 24px; }
  .map-wrap { height: 260px; }

  /* Contact */
  .contact-btns { flex-direction: column; align-items: center; }
  .btn-tel-cta, .btn-line-cta, .btn-instagram-cta { width: 100%; max-width: 340px; justify-content: center; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }

  /* FAB */
  .fab { display: inline-flex; }
  #footer { padding-bottom: 84px; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .menu-list { grid-template-columns: 1fr; }
  .symptoms-grid { grid-template-columns: 1fr; }
}