/* ===========================
   BOOST STUDIO — style.css
   =========================== */

/* リセット・ベース */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black:    #0a0a0a;
  --white:    #ffffff;
  --gray-50:  #f9f9f9;
  --gray-100: #f0f0f0;
  --gray-400: #999;
  --gray-700: #444;
  --accent:   #FF5A1F;      /* オレンジ（加速・エピルギー） */
  --accent-d: #e04a10;
  --dark:     #111827;
  --font-jp:  'Noto Sans JP', sans-serif;
  --font-en:  'Inter', sans-serif;
  --radius:   12px;
  --shadow:   0 4px 24px rgba(0,0,0,.08);
  --transition: .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: inline; }

/* ===========================
   ボタン
   =========================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
}
.btn--primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-d); border-color: var(--accent-d); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,90,31,.35); }
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn--outline:hover { background: rgba(255,255,255,.1); border-color: var(--white); }
.btn--service {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
  width: 100%;
}
.btn--service:hover { background: var(--accent); color: var(--white); }
.btn--full { width: 100%; display: block; padding: 18px; font-size: 17px; }

/* ===========================
   セクション共通
   =========================== */
.section__sub {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 8px;
}
.section__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  text-align: center;
  margin-bottom: 48px;
  line-height: 1.3;
}

section { padding: 80px 0; }

/* ===========================
   ヘッダー
   =========================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}
.header--scrolled {
  background: rgba(10,10,10,.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: .05em;
}
.logo span { color: var(--accent); }
.logo--white { color: var(--white); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}
.nav a:hover { color: var(--white); }
.nav__cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 50px;
}
.nav__cta:hover { background: var(--accent-d) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===========================
   ヒーロー
   =========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
  z-index: 0;
}
.hero__bg::after {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  background: radial-gradient(circle, rgba(255,90,31,.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero__inner {
  position: relative;
  z-index: 1;
}
.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero__title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
}
.highlight {
  color: var(--accent);
  position: relative;
}
.hero__lead {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,.75);
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { text-align: left; }
.stat__num {
  display: block;
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 900;
  color: var(--white);
}
.stat__label {
  font-size: 12px;
  color: rgba(255,255,255,.5);
}
.stat__divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,.2);
}

/* ===========================
   特徴
   =========================== */
.features { background: var(--white); }
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature__card {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
}
.feature__card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature__icon { font-size: 36px; margin-bottom: 16px; }
.feature__card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.feature__card p { font-size: 14px; color: var(--gray-700); line-height: 1.8; }

/* ===========================
   サービス
   =========================== */
.services { background: var(--dark); }
.services .section__title { color: var(--white); }
.services .section__sub { color: var(--accent); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.service__card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
  color: var(--white);
}
.service__card:hover { border-color: rgba(255,90,31,.4); transform: translateY(-4px); }
.service__card--featured {
  background: var(--accent);
  border-color: var(--accent);
}
.service__badge {
  position: absolute;
  top: -12px; left: 24px;
  background: rgba(255,255,255,.2);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.service__badge--main { background: var(--dark); }
.service__plan { font-size: 13px; font-weight: 700; opacity: .7; margin-bottom: 4px; }
.service__type { font-size: 17px; font-weight: 900; margin-bottom: 16px; }
.service__price {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 24px;
  line-height: 1;
}
.service__price span { font-size: 14px; font-weight: 400; opacity: .7; }
.service__list { margin-bottom: 32px; }
.service__list li {
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding-left: 20px;
  position: relative;
}
.service__list li::before {
  content: '✓';
  position: absolute; left: 0;
  color: var(--accent);
  font-weight: 700;
}
.service__card--featured .service__list li::before { color: var(--white); }
.service__card--featured .service__list li { border-color: rgba(255,255,255,.2); }
.service__card--featured .btn--service {
  background: var(--white);
  color: var(--accent);
  border-color: var(--white);
}
.service__card--featured .btn--service:hover { background: rgba(255,255,255,.9); }

.options { border-top: 1px solid rgba(255,255,255,.1); padding-top: 40px; }
.options h3 { color: var(--white); font-size: 20px; margin-bottom: 20px; text-align: center; }
.options__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.option__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,.05);
  border-radius: 8px;
  padding: 16px 20px;
  color: var(--white);
  font-size: 14px;
}
.option__item span:last-child { font-weight: 700; color: var(--accent); }

/* ===========================
   制作実績
   =========================== */
.portfolio { background: var(--white); }
.portfolio__grid { display: grid; gap: 40px; }

.portfolio__card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 40px;
  transition: var(--transition);
}
.portfolio__card:hover { box-shadow: var(--shadow); }

.portfolio__img-wrap { border-radius: 10px; overflow: hidden; }
.portfolio__img {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  aspect-ratio: 16/10;
}
.portfolio__img--blanco {
  background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
}
.portfolio__img--nagomi {
  background: linear-gradient(135deg, #1a3d2e 0%, #2d7a5f 60%, #3d9e7a 100%);
}
.portfolio__img--fleur {
  background: linear-gradient(135deg, #2a1a2e 0%, #5a2d6e 50%, #8e4a9e 100%);
}
.portfolio__img--sakae {
  background: linear-gradient(135deg, #1a0e00 0%, #5c2800 50%, #8b3a00 100%);
}
.portfolio__mock-hero--green { color: #a8e6cf; }
.portfolio__mock-btn--green { background: #2d7a5f; }
.portfolio__mock-hero--fleur { color: #f0c0ff; }
.portfolio__mock-btn--fleur { background: #7b3f8e; }
.portfolio__mock-hero--sakae { color: #ffd580; }
.portfolio__mock-btn--sakae { background: #8b3a00; }
.portfolio__mock {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: 16px;
}
.portfolio__mock-bar {
  display: flex; gap: 5px;
  margin-bottom: 12px;
}
.portfolio__mock-bar span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.3);
}
.portfolio__mock-content {
  flex: 1; display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  text-align: center; gap: 8px;
}
.portfolio__mock-hero {
  font-family: var(--font-en);
  font-size: 22px; font-weight: 900;
  color: var(--white); letter-spacing: .05em;
}
.portfolio__mock-sub {
  font-size: 11px; color: rgba(255,255,255,.6);
}
.portfolio__mock-btn {
  margin-top: 8px;
  background: var(--accent);
  color: var(--white);
  font-size: 11px; font-weight: 700;
  padding: 6px 16px; border-radius: 50px;
}

.portfolio__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: var(--transition);
}
.portfolio__img:hover .portfolio__overlay { opacity: 1; }
.portfolio__link {
  color: var(--white); font-weight: 700;
  border: 2px solid var(--white);
  padding: 10px 24px; border-radius: 50px;
  font-size: 14px; transition: var(--transition);
}
.portfolio__link:hover { background: var(--white); color: var(--black); }

.portfolio__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tag {
  background: rgba(255,90,31,.1);
  color: var(--accent);
  font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 50px;
}
.portfolio__info h3 { font-size: 22px; font-weight: 900; margin-bottom: 10px; }
.portfolio__info p { font-size: 14px; color: var(--gray-700); line-height: 1.8; margin-bottom: 20px; }
.portfolio__results { display: flex; flex-direction: column; gap: 8px; }
.portfolio__results li {
  display: flex; gap: 12px;
  font-size: 13px; align-items: baseline;
}
.result__label {
  font-size: 11px; font-weight: 700;
  color: var(--accent); min-width: 90px;
  background: rgba(255,90,31,.08);
  padding: 2px 8px; border-radius: 4px;
  text-align: center;
}
.portfolio__results a { color: var(--accent); text-decoration: underline; }
.portfolio__note {
  text-align: center; margin-top: 32px;
  font-size: 13px; color: var(--gray-400);
}

@media (max-width: 768px) {
  .portfolio__card { grid-template-columns: 1fr; padding: 24px; }
}

/* ===========================
   制作の流れ
   =========================== */
.flow { background: var(--gray-50); }
.flow__steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
}
.flow__step {
  flex: 1;
  min-width: 160px;
  text-align: center;
}
.flow__num {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  opacity: .3;
  line-height: 1;
  margin-bottom: 12px;
}
.flow__content h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.flow__content p { font-size: 13px; color: var(--gray-700); line-height: 1.7; }
.flow__arrow {
  font-size: 24px;
  color: var(--accent);
  padding: 20px 8px 0;
  flex-shrink: 0;
}

/* ===========================
   対応業種
   =========================== */
.industries { background: var(--white); }
.industries__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.industry__item {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 50px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
}
.industry__item:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }

/* ===========================
   お問い合わせ
   =========================== */
.contact { background: var(--gray-50); }
.contact__lead {
  text-align: center;
  color: var(--gray-700);
  margin-bottom: 48px;
  font-size: 15px;
  line-height: 1.8;
}
.contact__form {
  max-width: 640px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px 40px;
  box-shadow: var(--shadow);
}
.form__row { margin-bottom: 24px; }
.form__row label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}
.required {
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}
.form__row input,
.form__row select,
.form__row textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-100);
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font-jp);
  transition: var(--transition);
  background: var(--white);
  color: var(--black);
}
.form__row input:focus,
.form__row select:focus,
.form__row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,90,31,.1);
}
.form__row textarea { resize: vertical; }

/* ===========================
   フッター
   =========================== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 60px 0 32px;
}
.footer__inner { text-align: center; }
.footer .logo { display: inline-block; margin-bottom: 12px; }
.footer__copy { font-size: 14px; margin-bottom: 24px; }
.footer__nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.footer__nav a { font-size: 13px; transition: var(--transition); }
.footer__nav a:hover { color: var(--white); }
.footer__copyright { font-size: 12px; opacity: .5; }

/* ===========================
   レスポンシブ（スマホ）
   =========================== */
@media (max-width: 768px) {
  .pc-only { display: none; }

  .hamburger { display: flex; }

  .nav {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,.97);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 99;
  }
  .nav--open { display: flex; }
  .nav a { font-size: 20px; }

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

  .flow__steps {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
  }
  .flow__step { text-align: left; display: flex; gap: 16px; align-items: flex-start; }
  .flow__num { font-size: 28px; flex-shrink: 0; min-width: 48px; opacity: 1; }
  .flow__arrow { display: none; }

  .contact__form { padding: 32px 24px; }

  .hero__btns { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
  .btn--outline { border-color: rgba(255,255,255,.4); }

  section { padding: 60px 0; }
}