/* ================================================
   ヤマト Web制作 — メインスタイルシート v2
   カラー：ダークネイビー #0f172a / アンバー #f59e0b
   ================================================ */

/* ---------- リセット & 基本設定 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: #1e293b;
  background: #ffffff;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ---------- CSS変数 ---------- */
:root {
  --navy:       #0f172a;
  --navy-mid:   #1e293b;
  --navy-light: #334155;
  --amber:      #f59e0b;
  --amber-dark: #d97706;
  --amber-light:#fef3c7;
  --white:      #ffffff;
  --gray-50:    #f8fafc;
  --gray-100:   #f1f5f9;
  --gray-200:   #e2e8f0;
  --gray-400:   #94a3b8;
  --gray-600:   #475569;
  --radius-sm:  6px;
  --radius-md:  14px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --shadow-sm:  0 1px 4px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 20px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.06);
  --shadow-lg:  0 12px 48px rgba(0,0,0,.15), 0 4px 16px rgba(0,0,0,.08);
  --shadow-amber: 0 8px 32px rgba(245,158,11,.35);
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- フェードインアニメーション ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes pulse-amber {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,.5); }
  50%       { box-shadow: 0 0 0 12px rgba(245,158,11,0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  animation: fadeInUp 0.7s ease forwards;
}

.fade-in--delay {
  animation-delay: 0.2s;
}

/* スクロールで発火（CSSのみ版 — intersection observerなし） */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    animation-play-state: paused;
    animation-delay: 0.1s;
  }
  /* ヒーロー内は即発火 */
  .hero .fade-in,
  .hero .fade-in--delay {
    animation-play-state: running;
  }
}

/* ---------- ユーティリティ ---------- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-en {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: .25em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-en--light {
  color: rgba(245,158,11,.8);
}

.section-title {
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  font-weight: 900;
  color: var(--navy);
  letter-spacing: .02em;
  margin-bottom: 10px;
  line-height: 1.3;
}

.section-title--light {
  color: var(--white);
}

.section-subtitle {
  font-size: .97rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.section-subtitle--light {
  color: rgba(255,255,255,.65);
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .92rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  white-space: nowrap;
  text-align: center;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}

.btn:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--amber {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
}

.btn--amber:hover {
  background: var(--amber-dark);
  border-color: var(--amber-dark);
  box-shadow: var(--shadow-amber);
}

.btn--glow {
  animation: none;
}

.btn--glow:hover {
  box-shadow: var(--shadow-amber), 0 0 0 4px rgba(245,158,11,.15);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.55);
}

.btn--outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}

.btn--outline-amber {
  background: transparent;
  color: var(--amber);
  border-color: var(--amber);
}

.btn--outline-amber:hover {
  background: var(--amber);
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(245,158,11,.3);
}

.btn--lg {
  padding: 15px 34px;
  font-size: 1.02rem;
  border-radius: 8px;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ================================================
   HEADER
   ================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(15,23,42,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,.06), 0 4px 20px rgba(0,0,0,.3);
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 16px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header__logo-mark {
  width: 36px;
  height: 36px;
  background: var(--amber);
  color: var(--navy);
  font-size: 1.1rem;
  font-weight: 900;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
  flex-shrink: 0;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.header__logo-main {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: .04em;
}

.header__logo-sub {
  font-size: .58rem;
  font-weight: 400;
  color: var(--amber);
  letter-spacing: .14em;
  text-transform: uppercase;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header__nav-link {
  font-size: .84rem;
  font-weight: 500;
  color: rgba(255,255,255,.72);
  transition: color var(--transition);
  white-space: nowrap;
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--amber);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.header__nav-link:hover {
  color: var(--amber);
}

.header__nav-link:hover::after {
  transform: scaleX(1);
}

.header__tel {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.82);
  font-size: .88rem;
  font-weight: 500;
}

.header__tel svg {
  flex-shrink: 0;
  color: var(--amber);
}

.header__tel a {
  color: inherit;
  transition: color var(--transition);
}

.header__tel a:hover {
  color: var(--amber);
}

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 75% 15%, rgba(245,158,11,.07) 0%, transparent 55%),
    radial-gradient(ellipse 60% 80% at 5% 85%, rgba(30,64,175,.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 90% 90%, rgba(15,23,42,.9) 0%, transparent 70%),
    linear-gradient(140deg, #0f172a 0%, #1a2744 45%, #0f172a 100%);
}

/* ドットパターン */
.hero__dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245,158,11,.12) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 60px;
  padding-bottom: 80px;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 48px;
  align-items: center;
}

.hero__left {
  max-width: 560px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,.13);
  border: 1px solid rgba(245,158,11,.38);
  color: var(--amber);
  font-size: .83rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 28px;
  letter-spacing: .03em;
}

.hero__title {
  font-size: clamp(1.9rem, 4.5vw, 3.4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 22px;
  letter-spacing: .01em;
}

.hero__title-accent {
  color: var(--amber);
  position: relative;
}

.hero__title-accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--amber);
  border-radius: 2px;
  opacity: .4;
}

.hero__sub {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: rgba(255,255,255,.68);
  margin-bottom: 40px;
  font-weight: 400;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

/* ヒーロー統計 */
.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  max-width: 400px;
}

.hero__stat {
  flex: 1;
  text-align: center;
}

.hero__stat-num {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 4px;
}

.hero__stat-label {
  display: block;
  font-size: .72rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  letter-spacing: .04em;
}

.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.15);
  flex-shrink: 0;
  margin: 0 16px;
}

/* ヒーロー右カラム */
.hero__right {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__illustration {
  width: 100%;
  max-width: 480px;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,.5));
  animation: float 6s ease-in-out infinite;
}

/* 浮かぶバッジ */
.hero__float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15,23,42,.9);
  border: 1px solid rgba(245,158,11,.4);
  color: var(--white);
  font-size: .8rem;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-md);
  letter-spacing: .03em;
}

.hero__float-badge svg {
  color: var(--amber);
  flex-shrink: 0;
}

.hero__float-badge--1 {
  top: 12%;
  right: -5%;
  animation: float 5s ease-in-out 0.5s infinite;
}

.hero__float-badge--2 {
  bottom: 18%;
  left: -8%;
  animation: float 5.5s ease-in-out 1s infinite;
}

/* 斜めカット */
.hero__clip {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--gray-50);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

/* ================================================
   REASONS（選ばれる理由）
   ================================================ */
.reasons {
  padding: 104px 0 96px;
  background: var(--gray-50);
  position: relative;
}

.reasons__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.reason-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
  background: linear-gradient(160deg, var(--white) 70%, rgba(254,243,199,.3) 100%);
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.reason-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.reason-card:hover::before {
  transform: scaleX(1);
}

.reason-card__icon-wrap {
  margin-bottom: 20px;
}

.reason-card__num {
  font-size: .68rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.reason-card__title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.4;
}

.reason-card__text {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ================================================
   PORTFOLIO（制作実績）
   ================================================ */
.portfolio {
  padding: 96px 0;
  background: var(--white);
  position: relative;
}

.portfolio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.portfolio-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--white);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.portfolio-card__thumb {
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.portfolio-card__thumb-inner {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.portfolio-card:hover .portfolio-card__thumb-inner {
  transform: scale(1.08);
}

/* キラキラ効果 */
.portfolio-card__thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.1) 0%, transparent 50%, rgba(255,255,255,.05) 100%);
  pointer-events: none;
}

.portfolio-card__thumb-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .9;
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid currentColor;
  position: relative;
  z-index: 1;
}

/* サムネイルカラーバリエーション */
.portfolio-card__thumb--green {
  background: linear-gradient(135deg, #064e3b 0%, #065f46 50%, #047857 100%);
  color: #a7f3d0;
}
.portfolio-card__thumb--emerald {
  background: linear-gradient(135deg, #0d4f4f 0%, #0e6e6e 50%, #0f8080 100%);
  color: #99f6e4;
}
.portfolio-card__thumb--navy {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
  color: #fbbf24;
}
.portfolio-card__thumb--orange {
  background: linear-gradient(135deg, #7c2d12 0%, #9a3412 50%, #c2410c 100%);
  color: #fed7aa;
}
.portfolio-card__thumb--royal {
  background: linear-gradient(135deg, #1e1b4b 0%, #2e3190 50%, #3730a3 100%);
  color: #c7d2fe;
}

.portfolio-card__body {
  padding: 22px 26px 26px;
}

.portfolio-card__tag {
  display: inline-block;
  font-size: .71rem;
  font-weight: 700;
  color: var(--amber-dark);
  background: var(--amber-light);
  padding: 3px 11px;
  border-radius: 5px;
  margin-bottom: 10px;
  letter-spacing: .04em;
}

.portfolio-card__title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.4;
}

.portfolio-card__text {
  font-size: .86rem;
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.65;
}

.portfolio-card__demo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-400);
  border: 1px dashed var(--gray-200);
  padding: 5px 14px;
  border-radius: 5px;
  transition: color var(--transition), border-color var(--transition);
}

.portfolio-card:hover .portfolio-card__demo {
  color: var(--amber-dark);
  border-color: var(--amber);
}

/* ================================================
   PRICING（料金）
   ================================================ */
.pricing {
  padding: 96px 0;
  background: var(--gray-50);
  position: relative;
}

.pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(245,158,11,.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 36px;
  position: relative;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 2px solid var(--gray-200);
  padding: 36px 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* スタンダードを強調 */
.pricing-card--featured {
  border-color: var(--amber);
  background: var(--navy);
  color: var(--white);
  transform: scale(1.04);
  box-shadow: 0 0 0 1px var(--amber), var(--shadow-lg), 0 0 40px rgba(245,158,11,.18);
  z-index: 2;
}

.pricing-card--featured:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: 0 0 0 1px var(--amber), var(--shadow-lg), 0 0 60px rgba(245,158,11,.25);
}

.pricing-card--featured .pricing-card__plan {
  color: var(--amber);
}

.pricing-card--featured .pricing-card__price {
  color: var(--white);
}

.pricing-card--featured .pricing-card__list li {
  color: rgba(255,255,255,.82);
}

.pricing-card--featured .pricing-card__list svg {
  color: var(--amber);
}

.pricing-card__badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: var(--navy);
  font-size: .74rem;
  font-weight: 900;
  padding: 5px 18px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: .07em;
  box-shadow: 0 4px 12px rgba(245,158,11,.4);
  animation: pulse-amber 2.5s ease infinite;
}

.pricing-card__icon {
  margin-bottom: 20px;
}

.pricing-card__header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(148,163,184,.18);
}

.pricing-card__plan {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-600);
  margin-bottom: 12px;
  letter-spacing: .07em;
}

.pricing-card__price {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
}

.pricing-card__from {
  font-size: 1.1rem;
  font-weight: 400;
  vertical-align: text-top;
  margin-top: 7px;
  display: inline-block;
  opacity: .7;
}

.pricing-card__unit {
  font-size: 1rem;
  font-weight: 400;
  opacity: .65;
}

.pricing-card__desc {
  font-size: .85rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  line-height: 1.6;
}

.pricing-card__list {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.pricing-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.55;
}

.pricing-card__list svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--amber-dark);
}

.pricing__note {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  font-size: .9rem;
  color: var(--gray-600);
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  max-width: 580px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}

.pricing__note svg {
  flex-shrink: 0;
  color: var(--amber-dark);
}

/* ================================================
   MAINTENANCE（保守・管理プラン）
   ================================================ */
.maintenance {
  padding: 96px 0;
  background: #0b1629;
  position: relative;
  overflow: hidden;
}

.maintenance::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245,158,11,.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.maintenance__en {
  text-align: center;
  font-size: .7rem;
  font-weight: 700;
  color: rgba(245,158,11,.75);
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.maintenance .section-title {
  color: var(--white);
  margin-bottom: 10px;
}

.maintenance .section-subtitle {
  color: rgba(255,255,255,.6);
  margin-bottom: 0;
}

.maintenance .section-header {
  margin-bottom: 52px;
}

.maintenance__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
  margin-top: 40px;
  margin-bottom: 36px;
}

.maintenance-card {
  display: flex;
  flex-direction: column;
}

.maintenance-card {
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.09);
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.maintenance-card .maintenance-card__target {
  margin-top: auto;
  padding-top: 20px;
}

.maintenance-card:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,.07);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.maintenance-card--featured {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px var(--amber), 0 10px 40px rgba(245,158,11,.18);
  background: rgba(245,158,11,.07);
}

.maintenance-card--featured:hover {
  background: rgba(245,158,11,.11);
  box-shadow: 0 0 0 1px var(--amber), 0 14px 48px rgba(245,158,11,.28);
}

.maintenance-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber);
  color: var(--navy);
  font-size: .74rem;
  font-weight: 900;
  padding: 5px 18px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: .07em;
  box-shadow: 0 4px 12px rgba(245,158,11,.4);
}

.maintenance-card__header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.maintenance-card--featured .maintenance-card__header {
  border-bottom-color: rgba(245,158,11,.25);
}

.maintenance-card__plan {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,.65);
  margin-bottom: 12px;
  letter-spacing: .07em;
}

.maintenance-card--featured .maintenance-card__plan {
  color: var(--amber);
}

.maintenance-card__price {
  font-size: .95rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  line-height: 1.35;
}

.maintenance-card__amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.01em;
}

.maintenance-card--featured .maintenance-card__amount {
  color: var(--amber);
}

.maintenance-card__unit {
  font-size: .95rem;
  font-weight: 400;
  color: rgba(255,255,255,.55);
}

.maintenance-card__list {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.maintenance-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  color: rgba(255,255,255,.78);
  line-height: 1.55;
}

.maintenance-card__list svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--amber);
}

.maintenance-card__target {
  font-size: .78rem;
  color: rgba(255,255,255,.4);
  text-align: center;
  margin-bottom: 22px;
  padding: 7px 14px;
  border: 1px dashed rgba(255,255,255,.13);
  border-radius: var(--radius-sm);
}

.maintenance-card--featured .maintenance-card__target {
  color: rgba(245,158,11,.65);
  border-color: rgba(245,158,11,.22);
}

.maintenance__note {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  font-size: .9rem;
  color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  max-width: 580px;
  margin: 0 auto;
}

.maintenance__note svg {
  flex-shrink: 0;
  color: var(--amber);
  opacity: .65;
}

/* ================================================
   FLOW（制作の流れ）
   ================================================ */
.flow {
  padding: 96px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.flow::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 50%, rgba(30,64,175,.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 50%, rgba(245,158,11,.05) 0%, transparent 60%);
  pointer-events: none;
}

.flow .section-en--light {
  display: block;
  margin-bottom: 10px;
}

.flow__steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  position: relative;
}

.flow__step {
  flex: 1;
  text-align: center;
  padding: 36px 20px 40px;
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.07);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.flow__step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.flow__step:hover {
  background: rgba(255,255,255,.08);
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}

.flow__step:hover::before {
  transform: scaleX(1);
}

/* ステップバッジ（大きく・カラフルに） */
.flow__step-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: var(--navy);
  margin: 0 auto 18px;
  box-shadow: 0 4px 16px rgba(245,158,11,.4);
  position: relative;
}

.flow__step-badge-text {
  font-size: .48rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  line-height: 1;
  opacity: .75;
}

.flow__step-badge-num {
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1;
  margin-top: 1px;
}

.flow__step-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(245,158,11,.12);
  border: 1px solid rgba(245,158,11,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--amber);
  transition: background var(--transition);
}

.flow__step:hover .flow__step-icon {
  background: rgba(245,158,11,.2);
}

.flow__step-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.4;
}

.flow__step-text {
  font-size: .83rem;
  color: rgba(255,255,255,.56);
  line-height: 1.75;
}

/* 矢印 */
.flow__arrow {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 6px;
  color: var(--amber);
  opacity: .55;
  transition: opacity var(--transition);
}

.flow__arrow:hover {
  opacity: .9;
}

/* ================================================
   FAQ
   ================================================ */
.faq {
  padding: 96px 0;
  background: var(--gray-50);
}

.faq__list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.faq__item:hover {
  box-shadow: var(--shadow-sm);
}

.faq__item[open] {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px rgba(245,158,11,.3);
}

.faq__question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy-mid);
  list-style: none;
  user-select: none;
  transition: background var(--transition);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question:hover {
  background: var(--gray-50);
}

.faq__q-mark {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--navy);
  font-size: .88rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq__question span:nth-child(2) {
  flex: 1;
}

.faq__chevron {
  flex-shrink: 0;
  color: var(--gray-400);
  transition: transform var(--transition), color var(--transition);
}

.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
  color: var(--amber);
}

.faq__answer {
  display: flex;
  gap: 16px;
  padding: 0 26px 22px;
  border-top: 1px solid var(--gray-100);
  padding-top: 18px;
}

.faq__a-mark {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--navy-light);
  font-size: .88rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq__answer p {
  font-size: .9rem;
  color: var(--gray-600);
  line-height: 1.85;
  flex: 1;
}

/* ================================================
   PROFILE（運営者）
   ================================================ */
.profile {
  padding: 96px 0;
  background: var(--white);
  position: relative;
}

.profile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 50% 50%, rgba(254,243,199,.4) 0%, transparent 70%);
  pointer-events: none;
}

.profile__inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 52px;
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  padding: 52px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.profile__inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark), var(--amber));
}

.profile__avatar-wrap {
  flex-shrink: 0;
  position: relative;
}

.profile__avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e3a5f, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 4px solid var(--amber);
  box-shadow: 0 6px 24px rgba(245,158,11,.3);
  position: relative;
  z-index: 1;
}

.profile__avatar svg {
  width: 100%;
  height: 100%;
}

/* リングアニメーション */
.profile__avatar-ring {
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border-radius: 50%;
  border: 2px solid rgba(245,158,11,.25);
  z-index: 0;
  animation: pulse-amber 3s ease infinite;
}

.profile__content {
  flex: 1;
}

.profile__name {
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 5px;
  line-height: 1.3;
}

.profile__title {
  font-size: .84rem;
  font-weight: 600;
  color: var(--amber-dark);
  margin-bottom: 18px;
  letter-spacing: .07em;
}

.profile__text {
  font-size: .93rem;
  color: var(--gray-600);
  line-height: 1.9;
  margin-bottom: 22px;
}

.profile__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.profile__tag {
  font-size: .78rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--amber-light);
  border: 1px solid rgba(245,158,11,.35);
  padding: 5px 14px;
  border-radius: 999px;
  letter-spacing: .04em;
  transition: background var(--transition);
}

.profile__tag:hover {
  background: var(--amber);
}

/* ================================================
   CONTACT（お問い合わせ）
   ================================================ */
.contact {
  padding: 96px 0;
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 70% at 80% 20%, rgba(245,158,11,.06) 0%, transparent 55%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(30,64,175,.1) 0%, transparent 55%);
  pointer-events: none;
}

.contact__inner {
  max-width: 660px;
  margin: 0 auto;
  position: relative;
}

.contact__form {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-xl);
  padding: 52px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  backdrop-filter: blur(8px);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-label {
  font-size: .86rem;
  font-weight: 700;
  color: rgba(255,255,255,.82);
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-required {
  font-size: .7rem;
  font-weight: 700;
  background: var(--amber);
  color: var(--navy);
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: .04em;
}

.form-input,
.form-textarea {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .93rem;
  color: var(--navy);
  background: rgba(255,255,255,.97);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 13px 18px;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  line-height: 1.65;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-400);
  font-size: .88rem;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(245,158,11,.18);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
  background: var(--navy);
  padding-top: 60px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245,158,11,.4), transparent);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer__brand {
  flex: 1;
}

.footer__logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer__logo-mark {
  width: 32px;
  height: 32px;
  background: var(--amber);
  color: var(--navy);
  font-size: 1rem;
  font-weight: 900;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer__logo {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: .04em;
}

.footer__catch {
  font-size: .84rem;
  color: rgba(255,255,255,.45);
  line-height: 1.75;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav-link {
  font-size: .84rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}

.footer__nav-link:hover {
  color: var(--amber);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: rgba(255,255,255,.7);
}

.footer__contact-item svg {
  flex-shrink: 0;
  color: var(--amber);
}

.footer__contact-item a {
  color: inherit;
  transition: color var(--transition);
}

.footer__contact-item a:hover {
  color: var(--amber);
}

.footer__bottom {
  text-align: center;
  padding: 22px 0;
}

.footer__bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.3);
  letter-spacing: .07em;
}

/* ================================================
   レスポンシブ — 1024px
   ================================================ */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr 380px;
    gap: 36px;
  }
}

/* ================================================
   レスポンシブ — 768px
   ================================================ */
@media (max-width: 768px) {

  .header__tel {
    display: none;
  }

  .header__nav-link {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero__content {
    grid-template-columns: 1fr;
    padding-top: 56px;
    padding-bottom: 64px;
    gap: 40px;
  }

  .hero__left {
    max-width: 100%;
    text-align: center;
  }

  .hero__badge {
    display: inline-flex;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__stats {
    margin: 0 auto;
  }

  .hero__right {
    max-width: 400px;
    margin: 0 auto;
  }

  .hero__float-badge--1 {
    right: 0;
    top: 5%;
  }

  .hero__float-badge--2 {
    left: 0;
    bottom: 10%;
  }

  .hero__clip {
    height: 50px;
  }

  .reasons {
    padding: 80px 0 72px;
  }

  .reasons__grid {
    grid-template-columns: 1fr;
    gap: 22px;
    max-width: 480px;
    margin: 0 auto;
  }

  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 36px;
  }

  .pricing-card--featured {
    transform: scale(1);
    order: -1;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }

  .maintenance__grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 36px;
  }

  .maintenance-card--featured {
    order: -1;
  }

  .flow__steps {
    flex-direction: column;
    gap: 6px;
    max-width: 480px;
    margin: 0 auto;
  }

  .flow__arrow {
    transform: rotate(90deg);
    margin: 0 auto;
    padding: 4px 0;
  }

  .profile__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 28px;
    gap: 28px;
  }

  .profile__tags {
    justify-content: center;
  }

  .contact__form {
    padding: 36px 24px;
  }

  .footer__inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer__nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px 20px;
  }

  .reasons,
  .portfolio,
  .pricing,
  .maintenance,
  .flow,
  .faq,
  .profile,
  .contact {
    padding: 72px 0;
  }

  .section-header {
    margin-bottom: 44px;
  }
}

/* ================================================
   レスポンシブ — 480px
   ================================================ */
@media (max-width: 480px) {

  .container {
    padding: 0 18px;
  }

  .header__inner {
    height: 62px;
  }

  .header__logo-main {
    font-size: .95rem;
  }

  .header__logo-mark {
    width: 30px;
    height: 30px;
    font-size: .95rem;
  }

  .hero__title {
    font-size: 1.7rem;
  }

  .hero__cta {
    flex-direction: column;
    gap: 12px;
  }

  .hero__cta .btn--lg {
    width: 100%;
  }

  .hero__stats {
    max-width: 100%;
    padding: 14px 16px;
  }

  .hero__stat-num {
    font-size: 1.15rem;
  }

  .hero__stat-divider {
    margin: 0 10px;
  }

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

  .flow__step {
    padding: 28px 18px 32px;
  }

  .faq__question {
    padding: 18px 20px;
    font-size: .9rem;
  }

  .faq__answer {
    padding: 16px 20px 20px;
  }

  .profile__avatar {
    width: 120px;
    height: 120px;
  }

  .profile__inner {
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }

  .contact__form {
    padding: 28px 18px;
    gap: 18px;
    border-radius: var(--radius-lg);
  }

  .btn--lg {
    padding: 13px 26px;
    font-size: .97rem;
  }

  .hero__float-badge {
    font-size: .72rem;
    padding: 8px 12px;
  }

  .reasons,
  .portfolio,
  .pricing,
  .maintenance,
  .flow,
  .faq,
  .profile,
  .contact {
    padding: 60px 0;
  }
}

/* ================================================
   スクロール時フェードイン（CSSアニメーション補完）
   ================================================ */
@media (prefers-reduced-motion: no-preference) {
  .reasons .fade-in,
  .portfolio .fade-in,
  .pricing .fade-in,
  .maintenance .fade-in,
  .flow .fade-in,
  .faq .fade-in,
  .profile .fade-in,
  .contact .fade-in {
    animation-play-state: running;
    animation-delay: 0.05s;
  }

  .reasons .reason-card:nth-child(1) { animation-delay: 0.05s; }
  .reasons .reason-card:nth-child(2) { animation-delay: 0.15s; }
  .reasons .reason-card:nth-child(3) { animation-delay: 0.25s; }

  .portfolio .portfolio-card:nth-child(1) { animation-delay: 0.05s; }
  .portfolio .portfolio-card:nth-child(2) { animation-delay: 0.12s; }
  .portfolio .portfolio-card:nth-child(3) { animation-delay: 0.19s; }
  .portfolio .portfolio-card:nth-child(4) { animation-delay: 0.26s; }
  .portfolio .portfolio-card:nth-child(5) { animation-delay: 0.33s; }

  .flow .flow__step:nth-child(1) { animation-delay: 0.05s; }
  .flow .flow__step:nth-child(3) { animation-delay: 0.15s; }
  .flow .flow__step:nth-child(5) { animation-delay: 0.25s; }
  .flow .flow__step:nth-child(7) { animation-delay: 0.35s; }
}