/* ============================================================
   IT-commons – style.css
   ============================================================ */

/* ---- Custom Properties ---- */
:root {
  --color-primary:       #0f7540;  /* IT-commons グリーン */
  --color-primary-dark:  #085c30;
  --color-primary-mid:   #16a35a;
  --color-primary-light: #dcfce7;
  --color-accent:        #f97316;  /* オレンジ */
  --color-accent-dark:   #ea580c;
  --color-navy:          #0f2a1a;  /* ダークグリーン寄りのネイビー */
  --color-text:          #1a2e1e;
  --color-text-light:    #5a7365;
  --color-bg:            #ffffff;
  --color-bg-light:      #f0faf4;
  --color-bg-gray:       #f7faf8;
  --color-border:        #d4e8da;

  --font-base: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.13);
  --transition: .25s ease;
  --container:  1160px;
  --header-h:   72px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---- Animations ---- */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease calc(var(--delay, 0s)), transform .6s ease calc(var(--delay, 0s));
}
.fade-in {
  opacity: 0;
  transition: opacity .7s ease calc(var(--delay, 0s));
}
.fade-in--delay { --delay: .3s; }
.fade-up.visible, .fade-in.visible { opacity: 1; transform: none; }
.sp-none { display: inline; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: .95rem;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(15,117,64,.3);
}
.btn--primary:hover { background: var(--color-primary-dark); box-shadow: 0 6px 20px rgba(15,117,64,.4); }

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(249,115,22,.3);
}
.btn--accent:hover { background: var(--color-accent-dark); box-shadow: 0 6px 20px rgba(249,115,22,.4); }

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.65);
}
.btn--outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }

.btn--lg { padding: 15px 32px; font-size: 1rem; }
.btn--block { width: 100%; justify-content: center; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header--scrolled { border-color: var(--color-border); box-shadow: var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.header__logo { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; flex-shrink: 0; }
.header__logo-img { height: 36px; width: auto; display: block; }
.header__logo-sub { font-size: .6rem; color: var(--color-text-light); }

.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  font-size: .86rem; font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav__link:hover { background: var(--color-bg-light); color: var(--color-primary); }
.nav__link svg { width: 14px; height: 14px; }
.nav__link--cta {
  background: var(--color-accent); color: #fff; font-weight: 700;
  padding: 8px 16px; border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(249,115,22,.25);
}
.nav__link--cta:hover { background: var(--color-accent-dark); color: #fff; }

.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; padding: 4px; border-radius: var(--radius-sm); }
.hamburger span { display: block; width: 100%; height: 2.5px; background: var(--color-text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); transform-origin: center; }
.hamburger--open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger--open span:nth-child(2) { opacity: 0; }
.hamburger--open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding-top: var(--header-h);
  background: linear-gradient(135deg, #0a2416 0%, #0f3d22 45%, #145a31 100%);
  overflow: hidden;
  min-height: 620px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding-top: 64px;
  padding-bottom: 100px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 16px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  font-size: .8rem; color: rgba(255,255,255,.88); font-weight: 500;
  margin-bottom: 16px;
}
.hero__badges {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.hero__badge {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 900;
  letter-spacing: .06em;
}
.hero__badge--fast  { background: var(--color-primary-mid); color: #fff; }
.hero__badge--safe  { background: var(--color-accent); color: #fff; }
.hero__title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -.01em;
}
.hero__title-main {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  background: linear-gradient(135deg, #86efac 0%, #4ade80 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: .97rem;
  color: rgba(255,255,255,.76);
  margin-bottom: 24px;
  line-height: 1.8;
}
.hero__free {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero__free-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .82rem;
  font-weight: 700;
  color: #86efac;
}
.hero__free-item svg { width: 16px; height: 16px; color: #4ade80; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.hero__hours { font-size: .78rem; color: rgba(255,255,255,.5); }

.hero__visual { display: flex; align-items: center; justify-content: center; position: relative; }
.hero__img { width: 100%; max-width: 500px; height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,.35)); }
.hero__stat-badge {
  position: absolute;
  top: -10px; right: -10px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  width: 100px; height: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 6px 24px rgba(249,115,22,.45);
  z-index: 2;
  animation: pulse-badge 2.5s ease-in-out infinite;
}
.hero__stat-num { font-size: 1.6rem; font-weight: 900; line-height: 1; }
.hero__stat-unit { font-size: .8rem; font-weight: 700; }
.hero__stat-label { font-size: .62rem; font-weight: 600; line-height: 1.3; margin-top: 2px; }
@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.hero__wave { position: absolute; bottom: -1px; left: 0; right: 0; line-height: 0; }
.hero__wave svg { width: 100%; height: 80px; }

/* ============================================================
   TROUBLES
   ============================================================ */
.troubles {
  padding: 72px 0 56px;
  background: var(--color-bg);
}
.troubles__header { text-align: center; margin-bottom: 40px; }
.troubles__title {
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 900;
  color: var(--color-navy);
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.troubles__title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60px; height: 4px;
  background: var(--color-primary-mid);
  border-radius: 2px;
}
.troubles__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.trouble-card {
  background: var(--color-bg-light);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px 24px;
  text-align: center;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.trouble-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.trouble-card__num {
  position: absolute;
  top: -1px; left: 18px;
  font-size: .72rem; font-weight: 800;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 2px 8px;
  border-radius: 0 0 6px 6px;
}
.trouble-card__icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  color: var(--color-primary);
}
.trouble-card__icon svg { width: 100%; height: 100%; }
.trouble-card__text { font-size: .9rem; color: var(--color-text); line-height: 1.65; }
.trouble-card__text strong { color: var(--color-primary-dark); }
.troubles__cta-text {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  padding: 18px 32px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  border-left: 5px solid var(--color-primary-mid);
  max-width: 500px;
  margin-inline: auto;
}

/* ============================================================
   STATS
   ============================================================ */
.stats { background: var(--color-primary); padding: 0; }
.stats__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stats__item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 28px 20px; text-align: center;
  border-right: 1px solid rgba(255,255,255,.15);
  transition: background var(--transition);
}
.stats__item:last-child { border-right: none; }
.stats__item:hover { background: rgba(255,255,255,.06); }
.stats__number { font-size: 2rem; font-weight: 900; color: #fff; line-height: 1; letter-spacing: -.02em; }
.stats__unit { font-size: .9rem; font-weight: 700; margin-left: 2px; }
.stats__label { font-size: .78rem; color: rgba(255,255,255,.72); font-weight: 500; }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section { padding: 88px 0; }
.section__header { text-align: center; margin-bottom: 52px; }
.section__header--mt { margin-top: 64px; }
.section__tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .78rem; font-weight: 700; letter-spacing: .07em;
  border-radius: 100px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section__title {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 900;
  color: var(--color-navy);
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.section__desc { color: var(--color-text-light); font-size: .95rem; max-width: 560px; margin-inline: auto; }

/* ============================================================
   SERVICES – 3 Support Types
   ============================================================ */
.services { background: var(--color-bg-gray); }
.support-types {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 0;
}
.support-type {
  padding: 36px 28px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  transition: background var(--transition);
}
.support-type:last-child { border-right: none; }
.support-type:hover { background: var(--color-bg-light); }
.support-type__arrow {
  padding: 12px;
  color: var(--color-primary-mid);
}
.support-type__arrow svg { width: 24px; height: 24px; }
.support-type__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.support-type__icon svg { width: 36px; height: 36px; }
.support-type__icon--green  { background: var(--color-primary-light); color: var(--color-primary); }
.support-type__icon--blue   { background: #dbeafe; color: #1d4ed8; }
.support-type__icon--orange { background: #ffedd5; color: var(--color-accent); }
.support-type__title { font-size: 1.1rem; font-weight: 700; color: var(--color-navy); margin-bottom: 10px; }
.support-type__desc { font-size: .86rem; color: var(--color-text-light); line-height: 1.75; margin-bottom: 14px; }
.support-type__badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .75rem; font-weight: 700;
  border-radius: 100px;
}

/* Services grid */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--color-primary-light); }
.service-card__icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.service-card__icon svg { width: 34px; height: 34px; }
.service-card__icon--green  { background: var(--color-primary-light); color: var(--color-primary); }
.service-card__icon--blue   { background: #dbeafe; color: #1d4ed8; }
.service-card__icon--teal   { background: #ccfbf1; color: #0f766e; }
.service-card__icon--orange { background: #ffedd5; color: var(--color-accent); }
.service-card__title { font-size: 1.15rem; font-weight: 700; color: var(--color-navy); margin-bottom: 10px; }
.service-card__desc { font-size: .88rem; color: var(--color-text-light); margin-bottom: 16px; line-height: 1.75; }
.service-card__list { display: flex; flex-direction: column; gap: 7px; }
.service-card__list li {
  font-size: .86rem; color: var(--color-text);
  padding-left: 18px; position: relative;
}
.service-card__list li::before {
  content: '';
  position: absolute; left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary-mid);
}

/* ============================================================
   WHY
   ============================================================ */
.why { background: var(--color-bg); }
.why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.why-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  box-shadow: var(--shadow-sm);
  position: relative;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.why-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.why-card__num {
  position: absolute; top: -16px; left: 28px;
  font-size: 2.4rem; font-weight: 900;
  color: var(--color-primary-light);
  line-height: 1; letter-spacing: -.04em; user-select: none;
}
.why-card__icon { width: 56px; height: 56px; margin-bottom: 16px; }
.why-card__icon svg { width: 56px; height: 56px; }
.why-card__title { font-size: 1.07rem; font-weight: 700; color: var(--color-navy); margin-bottom: 10px; line-height: 1.45; }
.why-card__desc { font-size: .88rem; color: var(--color-text-light); line-height: 1.8; }

/* ============================================================
   PRICE
   ============================================================ */
.price { background: var(--color-bg-light); }
.price__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.price-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--color-primary);
}
.price-card__header {
  background: var(--color-primary);
  padding: 36px 32px;
  text-align: center;
  color: #fff;
}
.price-card__label { font-size: .85rem; font-weight: 700; opacity: .85; margin-bottom: 12px; letter-spacing: .06em; }
.price-card__amount { display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.price-card__yen { font-size: 1.5rem; font-weight: 700; }
.price-card__num { font-size: 3.5rem; font-weight: 900; letter-spacing: -.03em; line-height: 1; }
.price-card__per { font-size: 1rem; font-weight: 600; opacity: .85; margin-left: 2px; }
.price-card__sub { font-size: .9rem; opacity: .85; margin-top: 8px; }
.price-card__example {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  padding: 10px 20px;
  margin-top: 16px;
  font-size: .88rem;
}
.price-card__example strong { font-size: 1.3rem; font-weight: 900; }
.price-card__example small { font-size: .75rem; font-weight: 500; }
.price-card__body { padding: 28px 32px; }
.price-card__includes {
  font-size: .82rem; font-weight: 700; color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-border);
  letter-spacing: .03em;
}
.price-card__list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.price-card__list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .86rem; color: var(--color-text);
}
.price-card__num-badge {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 26px; height: 26px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .7rem; font-weight: 800;
  border-radius: 6px;
  flex-shrink: 0;
}
.price-card__footer {
  padding: 0 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.price-card__note { font-size: .76rem; color: var(--color-text-light); text-align: center; }

.price__merit { padding: 8px 0; }
.price__merit-title {
  font-size: 1.15rem; font-weight: 700; color: var(--color-navy);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
}
.price__merit-list { display: flex; flex-direction: column; gap: 20px; }
.price__merit-item { display: flex; align-items: flex-start; gap: 14px; }
.price__merit-icon {
  width: 28px; height: 28px;
  flex-shrink: 0; color: var(--color-primary);
  margin-top: 2px;
}
.price__merit-icon svg { width: 28px; height: 28px; }
.price__merit-item strong { display: block; font-size: .95rem; color: var(--color-navy); margin-bottom: 3px; }
.price__merit-item p { font-size: .85rem; color: var(--color-text-light); line-height: 1.7; }

/* ============================================================
   CASES
   ============================================================ */
.cases { background: var(--color-bg); }
.cases__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.case-card__header {
  background: var(--color-primary);
  padding: 20px 24px;
  color: #fff;
}
.case-card__num {
  display: inline-block;
  font-size: .72rem; font-weight: 800;
  background: rgba(255,255,255,.2);
  padding: 2px 10px; border-radius: 100px;
  margin-bottom: 6px; letter-spacing: .06em;
}
.case-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.case-card__industry {
  font-size: .75rem; opacity: .78; font-weight: 500;
}
.case-card__body { padding: 24px; background: #fff; }
.case-card__before {
  font-size: .85rem; color: var(--color-text-light);
  line-height: 1.75; margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-border);
}
.case-card__before strong, .case-card__after strong {
  display: block; font-size: .75rem; font-weight: 700; margin-bottom: 4px;
}
.case-card__before strong { color: #b45309; }
.case-card__after strong { color: var(--color-primary); }
.case-card__after { font-size: .85rem; color: var(--color-text); line-height: 1.75; }

/* ============================================================
   VOICE
   ============================================================ */
.voice { background: var(--color-bg-gray); }
.voice__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.voice-card {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 30px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.voice-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.voice-card::before {
  content: '\201C';
  position: absolute; top: 14px; left: 22px;
  font-size: 3.5rem; color: var(--color-primary-light);
  line-height: 1; font-family: Georgia, serif; pointer-events: none;
}
.voice-card__stars { font-size: 1rem; color: #fbbf24; letter-spacing: 2px; padding-left: 24px; }
.voice-card__quote { font-size: .9rem; color: var(--color-text); line-height: 1.85; font-style: normal; flex: 1; }
.voice-card__footer {
  display: flex; align-items: center; gap: 10px;
  margin-top: auto; padding-top: 14px;
  border-top: 1px solid var(--color-border);
}
.voice-card__industry {
  display: inline-block; padding: 2px 10px;
  background: var(--color-primary-light); color: var(--color-primary);
  font-size: .73rem; font-weight: 700; border-radius: 100px;
}
.voice-card__name { font-size: .83rem; font-weight: 500; color: var(--color-text-light); }

/* ============================================================
   FAQ
   ============================================================ */
.faq { background: var(--color-bg); }
.faq__list { max-width: 780px; margin-inline: auto; display: flex; flex-direction: column; gap: 10px; }
.faq__item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq__item[open] { box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.faq__question {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 22px;
  cursor: pointer; list-style: none;
  font-weight: 600; font-size: .95rem; color: var(--color-navy); user-select: none;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__q-mark, .faq__a-mark {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  font-size: .85rem; font-weight: 800; flex-shrink: 0;
}
.faq__q-mark { background: var(--color-primary); color: #fff; }
.faq__a-mark { background: var(--color-accent); color: #fff; }
.faq__arrow {
  margin-left: auto; width: 18px; height: 18px;
  border-right: 2.5px solid var(--color-text-light);
  border-bottom: 2.5px solid var(--color-text-light);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0; margin-top: -4px;
}
.faq__item[open] .faq__arrow { transform: rotate(-135deg); margin-top: 4px; }
.faq__answer { display: flex; align-items: flex-start; gap: 12px; padding: 0 22px 18px; }
.faq__answer p { font-size: .9rem; color: var(--color-text-light); line-height: 1.85; }

/* ============================================================
   COMPANY
   ============================================================ */
.company { background: var(--color-bg-gray); }
.company__inner { max-width: 820px; margin-inline: auto; }
.company__table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
  font-size: .92rem;
}
.company__table th,
.company__table td { padding: 16px 22px; border-bottom: 1px solid var(--color-border); }
.company__table tr:last-child th,
.company__table tr:last-child td { border-bottom: none; }
.company__table th {
  background: var(--color-bg-light); font-weight: 700; color: var(--color-navy);
  width: 200px; text-align: left; vertical-align: top; white-space: nowrap;
}
.company__table td { color: var(--color-text); line-height: 1.7; }
.company__tel, .company__mail { color: var(--color-primary); font-weight: 700; }
.company__tel:hover, .company__mail:hover { text-decoration: underline; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: linear-gradient(160deg, var(--color-bg-light) 0%, #e8f7ef 100%); }
.contact__inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 44px; align-items: start; }
.contact__info { display: flex; flex-direction: column; gap: 22px; }
.contact__info-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: #fff; border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-sm);
}
.contact__info-icon {
  width: 42px; height: 42px; border-radius: var(--radius-md);
  background: var(--color-primary-light); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact__info-icon svg { width: 20px; height: 20px; }
.contact__info-label { font-size: .78rem; color: var(--color-text-light); font-weight: 500; margin-bottom: 4px; }
.contact__phone { display: block; font-size: 1.55rem; font-weight: 900; color: var(--color-primary); letter-spacing: .02em; line-height: 1; margin-bottom: 4px; }
.contact__phone:hover { color: var(--color-primary-dark); }
.contact__email { display: block; font-size: .95rem; font-weight: 700; color: var(--color-primary); margin-bottom: 4px; }
.contact__email:hover { text-decoration: underline; }
.contact__info-sub { font-size: .76rem; color: var(--color-text-light); }
.contact__free-badges {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 16px 20px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
}
.contact__free-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(255,255,255,.2);
  color: #fff;
  font-size: .82rem; font-weight: 700;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,.35);
}

.contact__form {
  background: #fff; border-radius: var(--radius-lg); padding: 36px 32px;
  box-shadow: var(--shadow-md); display: flex; flex-direction: column; gap: 18px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: .86rem; font-weight: 600; color: var(--color-text); }
.form-required { display: inline-block; margin-left: 6px; padding: 1px 7px; background: #fee2e2; color: #dc2626; font-size: .68rem; border-radius: 4px; font-weight: 700; vertical-align: middle; }
.form-input {
  width: 100%; padding: 10px 13px;
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm);
  font-size: .91rem; color: var(--color-text); background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition); outline: none;
}
.form-input:focus { border-color: var(--color-primary-mid); box-shadow: 0 0 0 3px rgba(15,117,64,.14); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235a7365'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 18px; padding-right: 38px; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 108px; }
.form-privacy { font-size: .75rem; color: var(--color-text-light); text-align: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--color-navy); color: rgba(255,255,255,.68); }
.footer__inner {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 40px;
  padding-top: 52px; padding-bottom: 36px;
}
.footer__logo { display: inline-flex; margin-bottom: 12px; }
.footer__logo-img { height: 32px; width: auto; display: block; filter: brightness(0) invert(1); }
.footer__tagline { font-size: .78rem; line-height: 1.8; margin-bottom: 14px; }
.footer__tel {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 1.15rem; font-weight: 900; color: #fff;
  transition: color var(--transition);
}
.footer__tel:hover { color: #86efac; }
.footer__nav ul { display: flex; flex-wrap: wrap; gap: 4px 0; flex-direction: column; }
.footer__nav a { font-size: .84rem; color: rgba(255,255,255,.58); padding: 4px 0; transition: color var(--transition); }
.footer__nav a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding-block: 18px; text-align: center; }
.footer__copy { font-size: .76rem; color: rgba(255,255,255,.38); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed; right: 24px; bottom: 28px;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(15,117,64,.4);
  opacity: 0; pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 50;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top--visible { opacity: 1; pointer-events: auto; transform: none; }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ============================================================
   RESPONSIVE – TABLET (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .troubles__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: 1fr 1fr; }
  .why-card:last-child { grid-column: span 2; max-width: 420px; margin-inline: auto; }
  .cases__grid { grid-template-columns: 1fr 1fr; }
  .cases__grid .case-card:last-child { grid-column: span 2; max-width: 480px; margin-inline: auto; }
  .price__inner { grid-template-columns: 1fr; max-width: 600px; margin-inline: auto; }
  .support-types {
    grid-template-columns: 1fr;
    border-radius: var(--radius-lg);
  }
  .support-type { border-right: none; border-bottom: 1px solid var(--color-border); }
  .support-type:last-child { border-bottom: none; }
  .support-type__arrow { display: none; }
}

/* ============================================================
   RESPONSIVE – MOBILE (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .sp-none { display: none; }

  /* Header */
  .hamburger { display: flex; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    background: #ffffff;
    min-height: calc(75svh - var(--header-h));
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity var(--transition); z-index: 99;
  }
  .nav--open { opacity: 1; pointer-events: auto; }
  .nav__list { flex-direction: column; align-items: center; gap: 6px; }
  .nav__link { font-size: 1.15rem; font-weight: 700; color: var(--color-navy); padding: 13px 32px; }
  .nav__link--cta { margin-top: 6px; padding: 14px 40px; font-size: 1.15rem; }

  /* Hero */
  .hero__inner { grid-template-columns: 1fr; text-align: center; padding-top: 44px; padding-bottom: 80px; gap: 28px; }
  .hero__badges { justify-content: center; }
  .hero__actions { justify-content: center; }
  .hero__free { justify-content: center; }
  .hero__visual { order: -1; }
  .hero__img { max-width: 280px; margin-inline: auto; }
  .hero__stat-badge { width: 80px; height: 80px; top: -5px; right: 10px; }
  .hero__stat-num { font-size: 1.3rem; }

  /* Troubles */
  .troubles__grid { grid-template-columns: 1fr 1fr; }

  /* Stats */
  .stats__list { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.15); }
  .stats__item:nth-child(2), .stats__item:nth-child(4) { border-right: none; }

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

  /* Why */
  .why__grid { grid-template-columns: 1fr; }
  .why-card:last-child { grid-column: auto; max-width: none; }

  /* Price */
  .price-card__list { grid-template-columns: 1fr; }

  /* Cases */
  .cases__grid { grid-template-columns: 1fr; }
  .cases__grid .case-card:last-child { grid-column: auto; max-width: none; }

  /* Voice */
  .voice__grid { grid-template-columns: 1fr; }

  /* Company table */
  .company__table th { width: auto; white-space: normal; }
  .company__table th, .company__table td { display: block; padding: 10px 16px; border-bottom: none; }
  .company__table tr { display: block; border-bottom: 1px solid var(--color-border); }
  .company__table tr:last-child { border-bottom: none; }
  .company__table th { background: var(--color-bg-light); font-size: .8rem; padding-bottom: 3px; }

  /* Contact */
  .contact__inner { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { flex-direction: column; gap: 24px; }
  .footer__nav ul { flex-direction: row; flex-wrap: wrap; gap: 4px 16px; }

  .back-to-top { right: 14px; bottom: 18px; }
  .section { padding: 60px 0; }
}

/* ============================================================
   RESPONSIVE – SMALL MOBILE (≤480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero__title { font-size: 1.6rem; }
  .troubles__grid { grid-template-columns: 1fr; }
  .stats__list { grid-template-columns: 1fr 1fr; }
  .contact__form { padding: 26px 18px; }
  .service-card { padding: 26px 20px; }
  .price-card__header { padding: 28px 22px; }
  .price-card__body, .price-card__footer { padding-inline: 22px; }
}