/* LP制作AI - style.css */

/* ---------- 基本設定 ---------- */
:root {
  --color-black: #0b0b0c;
  --color-black-soft: #131315;
  --color-white: #ffffff;
  --color-gray: #a3a3a8;
  --color-orange: #ff6a00;
  --color-orange-light: #ff9142;

  --font-base: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  --container-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ---------- ボタン共通 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(255, 106, 0, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 106, 0, 0.45);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn--secondary:hover {
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

/* ---------- ヘッダー ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 11, 12, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
}

.logo {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.header__cta {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--color-white);
  color: var(--color-black);
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.2s ease;
}

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

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: 96px 80px;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.hero__glow--1 {
  width: 320px;
  height: 320px;
  top: -80px;
  right: -80px;
  background: rgba(255, 106, 0, 0.35);
}

.hero__glow--2 {
  width: 280px;
  height: 280px;
  bottom: -100px;
  left: -80px;
  background: rgba(255, 106, 0, 0.2);
}

.hero__title {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.hero__title--accent {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__text {
  margin-top: 24px;
  max-width: 480px;
  font-size: 16px;
  color: var(--color-gray);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 320px;
  margin-top: 36px;
}

.hero__note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--color-gray);
}

/* ---------- 共通パーツ（バッジ・セクション見出し） ---------- */
.badge {
  display: inline-block;
  padding: 6px 16px;
  margin-bottom: 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 106, 0, 0.4);
  background: rgba(255, 106, 0, 0.08);
  color: var(--color-orange-light);
  font-size: 13px;
  font-weight: 500;
}

.section {
  padding-block: 72px;
}

.section__header {
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 48px;
  text-align: center;
}

.section__title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 900;
  line-height: 1.5;
}

.section__lead {
  margin-top: 16px;
  color: var(--color-gray);
  font-size: 15px;
}

/* ---------- スクロール時のフェードイン演出 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- こんなお悩みありませんか？ ---------- */
.pain-points {
  background: var(--color-black);
}

.pain-points__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  list-style: none;
}

.pain-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  border-radius: 16px;
  background: var(--color-black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.pain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 0, 0.4);
}

.pain-card__icon {
  flex-shrink: 0;
  font-size: 24px;
}

.pain-card p {
  font-size: 15px;
}

.pain-points__lead {
  margin-top: 40px;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
}

.pain-points__lead-accent {
  background: linear-gradient(135deg, var(--color-orange), var(--color-orange-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Maker'sとは ---------- */
.about {
  background: var(--color-black-soft);
}

.about__inner {
  max-width: 720px;
}

.about__lead {
  margin-bottom: 48px;
  text-align: center;
  color: var(--color-gray);
  font-size: 16px;
}

.about__story {
  padding: 32px;
  border-radius: 20px;
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.about__story-title {
  margin-bottom: 16px;
  color: var(--color-orange-light);
  font-size: 18px;
  font-weight: 700;
}

.about__story p {
  font-size: 14px;
  color: var(--color-gray);
}

/* ---------- できること ---------- */
.services {
  background: var(--color-black);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  list-style: none;
}

.service-card {
  padding: 28px 16px;
  border-radius: 16px;
  background: var(--color-black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 0, 0.4);
}

.service-card__icon {
  display: block;
  margin-bottom: 12px;
  font-size: 28px;
}

.service-card h3 {
  font-size: 14px;
  font-weight: 700;
}

/* ---------- 選ばれる理由 ---------- */
.reasons {
  background: var(--color-black-soft);
}

.reasons__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.reason-card {
  padding: 28px;
  border-radius: 16px;
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.reason-card__number {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--color-orange);
  font-size: 14px;
  font-weight: 900;
}

.reason-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 700;
}

.reason-card p {
  font-size: 14px;
  color: var(--color-gray);
}

/* ---------- 制作実績 ---------- */
.works {
  background: var(--color-black);
}

.works__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.work-card__thumb {
  margin-bottom: 16px;
  border-radius: 16px;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, rgba(255, 106, 0, 0.25), rgba(255, 255, 255, 0.05));
}

.work-card__tag {
  margin-bottom: 6px;
  color: var(--color-orange-light);
  font-size: 12px;
  font-weight: 700;
}

.work-card__title {
  font-size: 16px;
  font-weight: 700;
}

/* ---------- 制作の流れ ---------- */
.flow {
  background: var(--color-black-soft);
}

.flow__steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
  list-style: none;
}

.flow-step {
  position: relative;
  padding-left: 24px;
  border-left: 2px solid rgba(255, 106, 0, 0.3);
}

.flow-step__number {
  display: block;
  margin-bottom: 6px;
  color: var(--color-orange);
  font-size: 13px;
  font-weight: 900;
}

.flow-step h3 {
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
}

.flow-step p {
  font-size: 14px;
  color: var(--color-gray);
}

/* ---------- FAQ ---------- */
.faq {
  background: var(--color-black);
}

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

.faq-item {
  padding: 20px 24px;
  border-radius: 14px;
  background: var(--color-black-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-item summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--color-orange);
  font-weight: 900;
}

.faq-item[open] summary::after {
  content: "－";
}

.faq-item p {
  margin-top: 14px;
  font-size: 14px;
  color: var(--color-gray);
}

/* ---------- 最後のCTA ---------- */
.final-cta {
  position: relative;
  overflow: hidden;
  background: var(--color-black-soft);
  text-align: center;
}

.final-cta__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 480px;
  height: 480px;
  transform: translate(-50%, -50%);
  background: rgba(255, 106, 0, 0.25);
  filter: blur(120px);
  pointer-events: none;
}

.final-cta__inner {
  position: relative;
  z-index: 1;
}

.final-cta__title {
  margin-bottom: 16px;
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  font-weight: 900;
}

.final-cta__text {
  margin-bottom: 32px;
  color: var(--color-gray);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 16px;
}

.final-cta__note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-gray);
}

/* ---------- フッター ---------- */
.footer {
  padding-block: 48px 24px;
  background: var(--color-black);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer__tagline {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-gray);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--color-gray);
  font-size: 13px;
}

.footer__sns {
  display: flex;
  gap: 16px;
  color: var(--color-gray);
  font-size: 13px;
}

.footer__bottom {
  margin-top: 32px;
  text-align: center;
  color: rgba(255, 255, 255, 0.35);
  font-size: 12px;
}

/* ---------- タブレット以上 ---------- */
@media (min-width: 768px) {
  .hero {
    padding-block: 140px 120px;
  }

  .hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }

  .hero__text {
    max-width: 560px;
    font-size: 18px;
  }

  .hero__actions {
    flex-direction: row;
    max-width: none;
  }

  .section {
    padding-block: 100px;
  }

  .section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
  }

  .pain-points__grid,
  .services__grid,
  .reasons__grid,
  .works__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer__nav,
  .footer__sns {
    flex-direction: row;
    gap: 24px;
  }
}

/* ---------- デスクトップ以上 ---------- */
@media (min-width: 1024px) {
  .hero__glow--1 {
    width: 480px;
    height: 480px;
  }

  .hero__glow--2 {
    width: 420px;
    height: 420px;
  }

  .pain-points__grid,
  .works__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services__grid,
  .reasons__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .flow__steps {
    flex-direction: row;
  }

  .flow-step {
    flex: 1;
    padding-left: 0;
    padding-top: 24px;
    border-top: 2px solid rgba(255, 106, 0, 0.3);
    border-left: none;
  }
}