/* ============================================================
   Large18 Corporate Site — Main Stylesheet
   Colors: Navy #002060 / Red #dc143c / White #ffffff
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --navy:       #002060;
  --navy-dark:  #001540;
  --navy-mid:   #003080;
  --red:        #dc143c;
  --red-dark:   #b01030;
  --white:      #ffffff;
  --off-white:  #f8f9fc;
  --gray-100:   #f1f3f8;
  --gray-200:   #e2e6ef;
  --gray-400:   #9aa5be;
  --gray-600:   #5a6580;
  --gray-800:   #2d3450;
  --text:       #1a2340;
  --text-light: #5a6580;

  --font-ja:    'Noto Sans JP', sans-serif;
  --font-en:    'Montserrat', sans-serif;

  --header-h:   72px;
  --container:  1160px;
  --radius:     10px;
  --radius-lg:  18px;

  --shadow-sm:  0 2px 8px rgba(0,32,96,.08);
  --shadow-md:  0 8px 32px rgba(0,32,96,.12);
  --shadow-lg:  0 20px 60px rgba(0,32,96,.16);

  --transition: .35s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-ja);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Utility ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.pc-only { display: inline; }
.logo-text-red   { color: var(--red);   font-family: var(--font-en); font-weight: 700; }
.logo-text-navy  { color: var(--navy);  font-family: var(--font-en); font-weight: 700; }
.logo-text-navy-light { color: #9ab0d8; font-family: var(--font-en); font-weight: 700; }

/* ---------- Section commons ---------- */
.section {
  padding: 100px 0;
}
/* .section--dark は廃止 */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .04em;
  line-height: 1.2;
}

.section-line {
  width: 48px;
  height: 3px;
  background: var(--red);
  margin: 16px auto 0;
  border-radius: 2px;
}


/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .04em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(220,20,60,.35);
}
.btn--primary:hover {
  background: var(--red-dark);
  box-shadow: 0 8px 28px rgba(220,20,60,.45);
  transform: translateY(-2px);
}
/* 赤枠・白背景ボタン（「事業内容を見る」用） */
.btn--ghost-red {
  border: 2px solid var(--red);
  color: var(--red);
  background: var(--white);
}
.btn--ghost-red:hover {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(220,20,60,.3);
  transform: translateY(-2px);
}
.btn--outline {
  border: 2px solid var(--navy);
  color: var(--navy);
  background: transparent;
}
.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-2px);
}
.btn--full { width: 100%; justify-content: center; }
.btn__icon { font-size: .85rem; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition), background var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,.98);
}
.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo {
  display: flex;
  align-items: center;
  height: 44px;
  flex-shrink: 0;
}
.header__logo-img {
  /* 画像左上エリア(横5〜57%, 縦13〜31%)のロゴ部分のみ表示 */
  height: 44px;
  width: 132px;
  object-fit: cover;
  object-position: 28% 22%;
}
.header__logo-fallback {
  align-items: center;
  font-size: 1.7rem;
  font-weight: 800;
  font-family: var(--font-en);
  line-height: 1;
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header__nav-link {
  padding: 8px 18px;
  border-radius: 50px;
  font-weight: 500;
  font-size: .92rem;
  color: var(--gray-800);
  transition: color var(--transition), background var(--transition);
}
.header__nav-link:hover {
  color: var(--navy);
  background: var(--gray-100);
}
.header__nav-link--cta {
  background: var(--red);
  color: var(--white) !important;
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(220,20,60,.3);
}
.header__nav-link--cta:hover {
  background: var(--red-dark) !important;
  box-shadow: 0 4px 18px rgba(220,20,60,.4);
  transform: translateY(-1px);
}

/* Hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 6px;
  transition: background var(--transition);
}
.header__hamburger:hover { background: var(--gray-100); }
.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}
.header__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__hamburger.open span:nth-child(2) { opacity: 0; }
.header__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 768px) {
  .header__hamburger { display: flex; }
  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 2px solid var(--gray-200);
    padding: 24px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .header__nav-list {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }
  .header__nav-link {
    display: block;
    text-align: center;
    padding: 14px 18px;
    font-size: 1rem;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-h);
  background: linear-gradient(135deg, #f8f9fc 0%, #edf1f9 50%, #f0f4ff 100%);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__bg-shape {
  position: absolute;
  border-radius: 50%;
  opacity: .08;
}
.hero__bg-shape--1 {
  width: 600px; height: 600px;
  background: var(--navy);
  top: -150px; right: -100px;
  animation: floatShape 12s ease-in-out infinite;
}
.hero__bg-shape--2 {
  width: 400px; height: 400px;
  background: var(--red);
  bottom: -100px; left: -80px;
  animation: floatShape 16s ease-in-out infinite reverse;
}
.hero__bg-shape--3 {
  width: 300px; height: 300px;
  background: var(--navy);
  top: 40%; left: 30%;
  animation: floatShape 20s ease-in-out infinite;
}
@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -30px) scale(1.05); }
  66%       { transform: translate(-15px, 20px) scale(.95); }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
}
.hero__content { max-width: 580px; }
.hero__eyebrow {
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .25em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 16px;
  transition-delay: .1s;
}
.hero__title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: .02em;
  margin-bottom: 20px;
  transition-delay: .2s;
  white-space: nowrap;
}
.hero__subtitle {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 600;
  color: var(--navy-mid);
  margin-bottom: 20px;
  line-height: 1.5;
  transition-delay: .3s;
}
.hero__body {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 36px;
  transition-delay: .4s;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  transition-delay: .5s;
}



/* Hero visual — ロゴ大表示 */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition-delay: .4s;
}
/* ロゴ画像は白背景・左上エリア(横5〜57%, 縦13〜31%)にロゴが集中
   その領域を切り出して大きく表示する */
.hero__logo-large {
  display: block;
  /* 画像の実比率 700:400=1.75:1 を維持しつつロゴ領域に合わせる */
  width: 480px;
  height: 160px;
  object-fit: cover;
  /* ロゴ中心（横28%、縦22%あたり）を表示基点に */
  object-position: 28% 22%;
  border-radius: 4px;
}
.hero__logo-text {
  align-items: center;
  font-size: 4rem;
  font-weight: 800;
  font-family: var(--font-en);
  line-height: 1;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 2;
  color: var(--gray-400);
  transition: color var(--transition);
}
.hero__scroll:hover { color: var(--navy); }
.hero__scroll-text {
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.hero__scroll-arrow {
  animation: bounce 2s infinite;
  font-size: .85rem;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--white);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 64px;
}
.about__mission {
  position: relative;
  padding-left: 28px;
  transition-delay: .1s;
}
.about__mission::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--red), var(--navy));
  border-radius: 2px;
}
.about__mission-title {
  font-family: var(--font-en);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.about__mission-text {
  font-size: 1.08rem;
  line-height: 2;
  color: var(--text);
}
.about__mission-accent {
  margin-top: 28px;
  width: 60px;
  height: 3px;
  background: var(--gray-200);
  border-radius: 2px;
}

.about__info { transition-delay: .2s; }
.about__table {
  width: 100%;
  border-collapse: collapse;
}
.about__table th,
.about__table td {
  padding: 14px 16px;
  font-size: .93rem;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
  line-height: 1.7;
}
.about__table th {
  width: 130px;
  font-weight: 600;
  color: var(--navy);
  background: var(--off-white);
  white-space: nowrap;
}
.about__table td { color: var(--gray-600); }
.about__en {
  font-family: var(--font-en);
  font-size: .85rem;
  color: var(--gray-400);
}
.about__email {
  color: var(--red);
  font-weight: 500;
  transition: color var(--transition);
}
.about__email:hover { color: var(--red-dark); text-decoration: underline; }



/* ============================================================
   SERVICES  —  ライトトーン（白背景・ネイビーテキスト）
   ============================================================ */
.services {
  background: var(--off-white);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:nth-child(1) { transition-delay: .05s; }
.service-card:nth-child(2) { transition-delay: .10s; }
.service-card:nth-child(3) { transition-delay: .15s; }
.service-card:nth-child(4) { transition-delay: .20s; }
.service-card:nth-child(5) { transition-delay: .25s; }
.service-card:nth-child(6) { transition-delay: .30s; }
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(220,20,60,.25);
}
.service-card__accent {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover .service-card__accent { opacity: 1; }
.service-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(220,20,60,.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  font-size: 1.3rem;
  margin-bottom: 20px;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.service-card:hover .service-card__icon {
  background: var(--red);
  color: var(--white);
  transform: scale(1.1);
}
.service-card__num {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--gray-400);
  margin-bottom: 8px;
}
.service-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 12px;
}
.service-card__body {
  font-size: .88rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--white);
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: start;
  position: relative;
}
.contact__lead {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-light);
  margin-bottom: 36px;
}
.contact__detail { display: flex; flex-direction: column; gap: 24px; }
.contact__detail-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact__detail-item > i {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact__detail-label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-400);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact__detail-value {
  font-size: .93rem;
  color: var(--text);
  line-height: 1.6;
}
a.contact__detail-value {
  color: var(--red);
  font-weight: 500;
}
a.contact__detail-value:hover { text-decoration: underline; }

/* Form */
.contact__form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 7px;
}
.form-required { color: var(--red); }
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-ja);
  font-size: .93rem;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-input:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(0,32,96,.1);
}
.form-input::placeholder { color: var(--gray-400); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23002060' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-note {
  font-size: .8rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 12px;
  line-height: 1.6;
}

/* Contact success */
.contact__success {
  position: absolute;
  inset: 0;
  background: var(--off-white);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  grid-column: 1 / -1;
}
.contact__success-inner {
  text-align: center;
  padding: 48px;
}
.contact__success-inner > i {
  font-size: 3.5rem;
  color: #22c55e;
  margin-bottom: 20px;
  display: block;
}
.contact__success-inner h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.contact__success-inner p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* ============================================================
   FOOTER  —  TOPページと同トーン（淡いグラデーション背景）
   ============================================================ */
.footer {
  background: linear-gradient(135deg, #f8f9fc 0%, #edf1f9 50%, #f0f4ff 100%);
  color: var(--text);
  position: relative;
  overflow: hidden;
}
/* 浮遊シェイプ（TOPと同じ雰囲気） */
.footer::before,
.footer::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.footer::before {
  width: 480px; height: 480px;
  background: var(--navy);
  opacity: .05;
  top: -140px; right: -80px;
}
.footer::after {
  width: 320px; height: 320px;
  background: var(--red);
  opacity: .05;
  bottom: -80px; left: -60px;
}

.footer__top { padding: 64px 0; position: relative; z-index: 1; }
.footer__top-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: start;
}
.footer__brand { flex-shrink: 0; }
.footer__logo {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
  height: 44px;
}
.footer__logo-img {
  /* 画像左上エリア(横5〜57%, 縦13〜31%)のロゴ部分のみ表示 */
  height: 44px;
  width: 132px;
  object-fit: cover;
  object-position: 28% 22%;
}
.footer__logo-fallback {
  display: flex;
  align-items: center;
  font-size: 1.7rem;
  font-weight: 800;
  font-family: var(--font-en);
}
.footer__tagline {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: .06em;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer__nav-title {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-200);
}
.footer__nav-list li { margin-bottom: 8px; }
.footer__nav-list a {
  font-size: .87rem;
  color: var(--text-light);
  transition: color var(--transition);
}
.footer__nav-list a:hover { color: var(--navy); }

.footer__bottom {
  border-top: 1px solid var(--gray-200);
  padding: 20px 0;
  position: relative;
  z-index: 1;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__address {
  font-size: .78rem;
  color: var(--gray-400);
  line-height: 1.6;
}
.footer__copy {
  font-size: .78rem;
  color: var(--gray-400);
  font-family: var(--font-en);
  white-space: nowrap;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--red); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero__content { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .hero__visual { justify-content: center; }
  .hero__logo-large { width: 320px; height: 138px; }

  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }

  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .contact__form { padding: 32px 24px; }

  .footer__top-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__nav { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 72px 0; }
  .pc-only { display: none; }

  .hero { min-height: calc(100svh); }
  .hero__inner {
    padding-top: 32px;
    padding-bottom: 60px;
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__logo-large { width: 260px; height: 112px; }

  .about__table th { width: 100px; font-size: .85rem; }

  .services__grid { grid-template-columns: 1fr; }

  .footer__nav { grid-template-columns: 1fr 1fr; }
  .footer__bottom-inner { flex-direction: column; text-align: center; gap: 8px; }
  .footer__address { text-align: center; }

  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.4rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .footer__nav { grid-template-columns: 1fr; }
  .contact__form { padding: 24px 16px; }
}