/* ========== Reset & Base ========== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Helvetica Neue', sans-serif;
  color: #111;
  background: #fff;
  overflow-x: hidden;
}

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

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

p {
  margin: 0;
}

/* ========== Page container ========== */
.page {
  position: relative;
  width: 100%;
  overflow: hidden;
}

/* ========== 背景装飾 ========== */
.deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.deco-blob-yellow {
  width: 203px;
  height: 179px;
  top: 40px;
  right: 60px;
  opacity: 0.6;
  object-fit: cover;
}

.deco-dots-pink {
  width: 278px;
  height: 315px;
  top: 120px;
  right: 30px;
  opacity: 0.3;
  object-fit: cover;
  transform: rotate(-86.88deg);
}

.deco-blob-purple-1 {
  width: 420px;
  height: 370px;
  top: 782px;
  left: -271px;
}

.deco-blob-purple-2 {
  width: 420px;
  height: 370px;
  top: 1399px;
  left: -271px;
}

.deco-dots-indigo {
  display: none;
}

.deco-vector-bg-1 {
  display: none;
}

.deco-vector-bg-2 {
  display: none;
}

.deco-vector-decoration {
  display: none;
}

.deco-sparkle {
  display: none;
}

.deco-confetti-1,
.deco-confetti-2,
.deco-confetti-3 {
  display: none;
}

/* ========== ヘッダー ========== */
.header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1212px;
  margin: 0 auto;
  padding: 32px 24px 40px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
}

.logo-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 40px;
  line-height: normal;
  white-space: nowrap;
}

.logo-c { color: #2f6df0; }
.logo-o { color: #18b6a6; }
.logo-p { color: #ffb02e; }
.logo-y { color: #ff5fa2; }
.logo-m { color: #2f6df0; }
.logo-a { color: #8b5cf6; }
.logo-l1 { color: #ff5fa2; }
.logo-l2 { color: #ffb02e; }

.logo-tagline {
  font-size: 14px;
  line-height: 19px;
  color: #111;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-weight: 700;
  font-size: 16px;
  line-height: 19px;
  color: #111;
  white-space: nowrap;
}

.nav-link:hover {
  opacity: 0.7;
}

.btn-header-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 32px;
  background: #fb115b;
  border-radius: 30px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  line-height: 19px;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.btn-header-cta:hover {
  opacity: 0.85;
}

.btn-arrow-sm {
  width: 13px;
  height: 11px;
}

/* ========== ヒーローセクション ========== */
.hero {
  position: relative;
  z-index: 1;
  display: flex;
  max-width: 1212px;
  margin: 0 auto;
  padding: 0 24px 120px;
  min-height: 600px;
  overflow: visible;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 32px;
  width: 549px;
  padding-top: 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  border: 2px solid #4354de;
  border-radius: 50px;
  font-weight: 700;
  font-size: 24px;
  line-height: 19px;
  white-space: nowrap;
  align-self: flex-start;
}

.hero__headline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.headline-row-1,
.headline-row-2,
.headline-row-3 {
  display: flex;
  align-items: flex-end;
  gap: 0;
}

.headline-large {
  font-weight: 700;
  font-size: 48px;
  line-height: normal;
  color: #111;
}

.headline-mid {
  font-weight: 700;
  font-size: 36px;
  line-height: normal;
  color: #111;
  padding: 10px;
}

.headline-xl {
  font-weight: 700;
  font-size: 76px;
  line-height: normal;
  color: #111;
}

.headline-gradient {
  background: linear-gradient(90deg, #4354de 0%, #8b5cf6 25%, #ff5fa2 55%, #ffb02e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.headline-ai {
  font-family: 'Helvetica Neue', sans-serif;
  font-style: normal;
}

.headline-de {
  font-size: 48px;
  display: flex;
  align-items: flex-end;
  height: 73px;
}

.hero__description {
  font-size: 16px;
  font-weight: 400;
  line-height: 30px;
  color: #111;
}

.btn-cta-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 32px;
  background: #fb115b;
  border-radius: 70px;
  color: #fff;
  font-weight: 700;
  font-size: 28px;
  line-height: 1.15;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.btn-cta-hero:hover {
  opacity: 0.85;
}

.hero__visual {
  position: absolute;
  top: 0;
  right: -80px;
  width: 700px;
  height: 600px;
  z-index: 1;
}

.hero__image {
  width: 100%;
  height: auto;
  pointer-events: none;
}

.mall-badge {
  position: absolute;
  width: 105px;
  height: 105px;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.09);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mall-badge img {
  width: auto;
  height: auto;
  max-width: 70px;
  max-height: 55px;
  object-fit: contain;
}

.mall-badge--rakuten {
  top: 80px;
  right: 250px;
}

.mall-badge--yahoo {
  top: 40px;
  right: 120px;
}

.mall-badge--amazon {
  top: 80px;
  right: 0;
}

.hero__ai-card {
  position: absolute;
  top: 280px;
  right: -40px;
  width: 340px;
  padding: 24px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 2px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 3;
}

.ai-card__text {
  font-weight: 700;
  font-size: 24px;
  line-height: 38.4px;
  text-align: center;
  color: #111;
}

.ai-card__image {
  width: 328px;
  height: 252px;
}

.hero__time-badge {
  position: absolute;
  top: 520px;
  right: 250px;
  width: 158px;
  height: 158px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.hero__time-badge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('assets/time-badge.svg') center/contain no-repeat;
}

.time-badge__label {
  position: relative;
  font-weight: 700;
  font-size: 24px;
  line-height: 38px;
}

.time-badge__main {
  position: relative;
  font-weight: 700;
  font-size: 40px;
  line-height: 1;
}

.time-badge__sub {
  position: relative;
  font-weight: 700;
  font-size: 24px;
  line-height: 38px;
}

/* ========== お悩みセクション ========== */
.problems {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 0;
}

.problems__heading {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  white-space: nowrap;
}

.heading-normal {
  font-weight: 700;
  font-size: 36px;
  line-height: normal;
  color: #111;
}

.heading-accent {
  font-weight: 700;
  font-size: 48px;
  line-height: normal;
  color: #5252cd;
}

.heading-underline {
  position: absolute;
  bottom: -10px;
  left: 22%;
  width: 137px;
  height: 14px;
}

.problems__cards {
  display: flex;
  gap: 24px;
  width: 100%;
}

.problem-card {
  flex: 1;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 6px rgba(112, 112, 112, 0.25);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.problem-card__text {
  font-weight: 700;
  font-size: 20px;
  line-height: 36px;
  text-align: center;
}

.problem-card__image {
  width: 180px;
  height: 144px;
  flex-shrink: 0;
}

.problem-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ========== 解決策セクション ========== */
.solution {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
  max-width: 1212px;
  margin: 0 auto;
  padding: 80px 24px 0;
}

.solution__heading {
  display: flex;
  align-items: baseline;
  gap: 0;
  white-space: nowrap;
  flex-wrap: wrap;
  justify-content: center;
}

.logo-text--lg {
  font-size: 66px;
}

.solution__heading-spacer {
  width: 8px;
}

.solution__honest {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  text-align: center;
  margin-top: -20px;
}

.heading-accent-solve {
  font-weight: 700;
  font-size: 48px;
  line-height: normal;
  color: #111;
}

.solution__points {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 0;
  width: 100%;
}

.point-card {
  position: relative;
  width: 369px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 6px rgba(112, 112, 112, 0.25);
  padding: 40px 24px 24px;
  display: flex;
  align-items: center;
}

.point-badge {
  position: absolute;
  top: -40px;
  left: -23px;
  width: 80px;
  height: 80px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.point-badge__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.point-badge__label {
  position: relative;
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  color: #fff;
}

.point-badge__number {
  position: relative;
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 1.2;
  color: #fff;
}

.point-card__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  flex: 1;
}

.point-card__title {
  font-weight: 700;
  font-size: 24px;
  line-height: 38px;
  text-align: center;
  color: #111;
}

/* Point 01 モールリスト */
.point-card__mall-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.mall-row {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 289px;
  height: 50px;
  background: #f8f8f8;
  border-radius: 8px;
  padding: 0 16px;
}

.mall-row__icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.mall-row__text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: normal;
  color: #3a3a3a;
}

/* Point 02 CVR */
.point-card__cvr {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  min-height: 160px;
}

.cvr-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 48px;
  line-height: normal;
  color: #2f6df0;
}

.cvr-graph {
  position: absolute;
  right: 10px;
  top: 0;
  width: 175px;
  height: 162px;
}

/* Point 03 ステップ */
.point-card__steps {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  height: 169px;
  width: 100%;
}

.mini-step {
  background: #eee;
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  line-height: 28px;
  text-align: center;
  height: 100%;
  flex: 1;
  min-width: 0;
}

.step-arrow {
  width: 18px;
  height: 16px;
  flex-shrink: 0;
}

/* ========== 使い方セクション ========== */
.howto {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: 1212px;
  margin: 0 auto;
  padding: 80px 24px 0;
}

.howto__left {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 360px;
  flex-shrink: 0;
}

.howto__heading-area {
  position: relative;
}

.howto__script {
  font-family: 'Pacifico', cursive;
  font-size: 32px;
  line-height: 66px;
  color: #5dd2c3;
  transform: rotate(-5.13deg);
  display: inline-block;
}

.howto__highlight {
  position: absolute;
  bottom: 0;
  left: -7px;
  width: 306px;
  height: 31px;
  z-index: -1;
}

.howto__heading {
  font-weight: 700;
  color: #111;
  line-height: 57px;
  white-space: nowrap;
}

.howto__heading-lg {
  font-size: 36px;
}

.howto__heading-md {
  font-size: 32px;
}

.howto__desc {
  font-size: 15px;
  font-weight: 400;
  line-height: 38px;
  color: #111;
  white-space: nowrap;
}

.howto__steps {
  display: flex;
  align-items: center;
  gap: 16px;
}

.step-chevron {
  width: 15px;
  height: 24px;
  flex-shrink: 0;
}

.step-card {
  width: 250px;
  height: 290px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 6px rgba(112, 112, 112, 0.25);
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.step-card__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 38px;
  width: 100%;
}

.step-card__num {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 700;
  font-size: 32px;
  color: #4852d3;
}

.step-card__title {
  font-weight: 700;
  font-size: 24px;
  text-align: center;
  color: #111;
}

.step-card__image {
  width: 191px;
  height: 143px;
  overflow: hidden;
  position: relative;
}

.step-card__image img {
  position: absolute;
  width: 670%;
  max-width: none;
  top: -1192%;
  left: -229%;
}

/* Step 02 AI visual */
.step-card__ai-visual {
  position: relative;
  width: 200px;
  height: 100px;
}

.step-ai-robot {
  width: 90px;
  height: 90px;
}

.step-file {
  position: absolute;
  width: 51px;
  height: 51px;
}

.step-file--1 {
  top: 0;
  left: 94px;
}

.step-file--2 {
  top: 62px;
  left: 124px;
}

.step-file--3 {
  top: 4px;
  left: 150px;
}

/* Step 03 モール反映 */
.step-card__mall-visual {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 222px;
}

.mall-item {
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 10px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
}

.mall-item__logo {
  width: 46px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
}

.mall-item__lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.line {
  height: 7px;
  border-radius: 2px;
}

.line--dark {
  background: #111;
  width: 80px;
}

.line--light {
  background: #ccc;
  width: 131px;
}

.line--short {
  width: 100px;
}

/* ========== 利用者の声セクション ========== */
.testimonials {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 0;
}

.testimonials__heading {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.testimonials__heading .heading-normal {
  font-size: 36px;
}

.testimonials__heading .heading-underline {
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 160px;
}

.testimonials__cards {
  display: flex;
  justify-content: center;
  gap: 36px;
  width: 100%;
}

.testimonial-card {
  position: relative;
  width: 380px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(112, 112, 112, 0.25);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow: hidden;
  min-height: 280px;
}

.testimonial-card__bg {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 180px;
  height: 225px;
  object-fit: contain;
  object-position: bottom right;
  pointer-events: none;
}

.testimonial-card:nth-child(2) .testimonial-card__bg {
  width: 161px;
}

.testimonial-card:nth-child(3) .testimonial-card__bg {
  width: 169px;
}

.testimonial-card__name {
  font-weight: 700;
  font-size: 24px;
  line-height: 38px;
  color: #111;
}

.testimonial-card__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.testimonial-card__headline {
  font-weight: 700;
  font-size: 20px;
  line-height: 38px;
  color: #111;
}

.testimonial-card__text {
  font-weight: 400;
  font-size: 16px;
  line-height: 38px;
  color: #111;
  width: 230px;
}

/* ========== CTA + フォームセクション ========== */
.cta-section {
  position: relative;
  z-index: 2;
  margin-top: 100px;
  background: #f9fbfc;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-bg__deco-1 {
  position: absolute;
  top: -90px;
  left: -250px;
  width: 507px;
  height: 248px;
  transform: rotate(122.59deg);
}

.cta-bg__deco-2 {
  position: absolute;
  top: -83px;
  right: -100px;
  width: 507px;
  height: 248px;
  transform: rotate(-105deg);
}

.cta-section__inner {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1150px;
  margin: 0 auto;
  padding: 40px 0;
  min-height: 459px;
}

.cta-section__left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cta-pre-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 40px;
  background: #88a6f3;
  border-radius: 50px;
  align-self: flex-start;
}

.cta-pre-badge span {
  font-weight: 700;
  font-size: 24px;
  line-height: 57px;
  color: #fff;
}

.cta-triangle {
  position: absolute;
  bottom: -20px;
  left: 60px;
  width: 31px;
  height: 30px;
}

.cta-headline {
  margin-top: 0;
}

.cta-headline__text {
  font-weight: 700;
  font-size: 36px;
  line-height: 57px;
  color: #111;
}

.logo-text--cta {
  font-size: 56px;
}

.cta-benefits {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.cta-benefit {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 20px;
  font-weight: 400;
  line-height: 40px;
  color: #111;
}

.cta-check {
  width: 23px;
  height: 20px;
}

/* フォーム */
.cta-section__form {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(112, 112, 112, 0.25);
  padding: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.form__title {
  font-weight: 700;
  font-size: 24px;
  line-height: 38px;
  text-align: center;
  color: #111;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 550px;
}

.form__row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
}

.form__label {
  font-weight: 700;
  font-size: 20px;
  line-height: 38px;
  color: #111;
  width: 140px;
  flex-shrink: 0;
}

.form__input {
  width: 394px;
  height: 60px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
  padding: 0 16px;
  font-size: 16px;
  font-family: 'Noto Sans JP', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.form__input:focus {
  border-color: #4354de;
}

.btn-cta-form {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 20px 32px;
  background: #fb115b;
  border-radius: 70px;
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 22px;
  line-height: 19px;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
  transition: opacity 0.2s;
  margin-top: 24px;
}

.btn-cta-form:hover {
  opacity: 0.85;
}

.btn-cta-form:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  animation: none;
}

.form__success {
  text-align: center;
  padding: 40px 0;
}

.form__success-title {
  font-weight: 700;
  font-size: 24px;
  color: #18b6a6;
  margin-bottom: 12px;
}

.form__success-text {
  font-size: 16px;
  color: #555;
  line-height: 1.6;
}

.form__message {
  font-size: 14px;
  color: #dc2626;
  text-align: center;
  margin-top: 12px;
}

.form__tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  animation: tooltipIn 0.3s ease forwards;
  z-index: 100;
}

.form__tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #1e293b;
}

.form__tooltip--out {
  animation: tooltipOut 0.3s ease forwards;
}

@keyframes tooltipIn {
  from { opacity: 0; transform: translateX(-50%) translateY(6px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes tooltipOut {
  from { opacity: 1; transform: translateX(-50%) translateY(0); }
  to { opacity: 0; transform: translateX(-50%) translateY(6px); }
}

/* ========== インタラクティブ要素 ========== */

/* スクロールフェードイン */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* カードホバー */
.problem-card,
.point-card,
.step-card,
.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card:hover,
.point-card:hover,
.step-card:hover,
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(112, 112, 112, 0.2);
}

/* モールバッジ浮遊アニメーション */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.mall-badge--rakuten { animation: float 3s ease-in-out infinite; }
.mall-badge--yahoo { animation: float 3s ease-in-out 0.5s infinite; }
.mall-badge--amazon { animation: float 3s ease-in-out 1s infinite; }

/* CTA ボタンパルス */
@keyframes pulse-shadow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(251, 17, 91, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(251, 17, 91, 0); }
}

.btn-cta-hero {
  animation: pulse-shadow 2.5s ease-in-out infinite;
}

.btn-cta-form {
  animation: pulse-shadow 2.5s ease-in-out infinite;
}

/* ナビリンクホバーアンダーライン */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #4354de;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  opacity: 1;
}

/* ========== 比較セクション ========== */
.comparison {
  position: relative;
  z-index: 2;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 0;
}

.comparison__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.comparison__title {
  font-weight: 700;
  font-size: 36px;
  color: #111;
}

.comparison__table-wrap {
  width: 100%;
  overflow-x: auto;
}

.comparison__table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}

.comparison__table thead th {
  background: #1e293b;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 16px 12px;
  text-align: center;
  white-space: nowrap;
}

.comparison__table thead th:first-child {
  border-radius: 12px 0 0 0;
  background: #334155;
}

.comparison__table thead th:last-child {
  border-radius: 0 12px 0 0;
}

.comparison__highlight-col {
  background: #4354de !important;
  font-size: 17px !important;
}

.comparison__table tbody td {
  padding: 18px 12px;
  text-align: center;
  border-bottom: 1px solid #f0f0f0;
  color: #334155;
}

.comparison__table tbody tr:last-child td {
  border-bottom: none;
}

.comparison__table tbody tr:last-child td:first-child {
  border-radius: 0 0 0 12px;
}

.comparison__table tbody tr:last-child td:last-child {
  border-radius: 0 0 12px 0;
}

.comparison__row-label {
  font-weight: 700;
  text-align: left !important;
  color: #111 !important;
  white-space: nowrap;
  background: #fafafa;
}

.comparison__cell--good {
  color: #18b6a6 !important;
  font-weight: 700;
  background: #f0fdf9;
}

.comparison__cell--bad {
  color: #94a3b8 !important;
}

.comparison__cell--neutral {
  color: #64748b !important;
}

@media (max-width: 768px) {
  .comparison {
    padding: 60px 20px 0;
  }

  .hide-sp {
    display: none !important;
  }

  .comparison__title {
    font-size: 28px;
  }

  .comparison__table {
    font-size: 11px;
  }

  .comparison__table thead th {
    font-size: 11px;
    padding: 10px 6px;
  }

  .comparison__table tbody td {
    padding: 12px 6px;
  }

  .comparison__row-label {
    font-size: 11px;
  }

  .comparison__highlight-col {
    font-size: 12px !important;
  }
}

/* ========== 料金セクション ========== */
.pricing {
  position: relative;
  z-index: 2;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 0;
}

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

.pricing__title {
  font-weight: 700;
  font-size: 36px;
  color: #111;
}

.pricing__subtitle {
  font-size: 16px;
  color: #64748b;
}

.pricing__cards {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  width: 100%;
  justify-content: center;
}

.pricing__card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(112, 112, 112, 0.15);
  padding: 32px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(112, 112, 112, 0.2);
}

.pricing__card--popular {
  border: 2px solid #4354de;
  box-shadow: 0 4px 16px rgba(67, 84, 222, 0.15);
}

.pricing__card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: #4354de;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 4px 20px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing__card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.pricing__plan-name {
  font-weight: 700;
  font-size: 20px;
  color: #111;
}

.pricing__price {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.pricing__amount {
  font-family: 'Helvetica Neue', sans-serif;
  font-weight: 700;
  font-size: 40px;
  color: #111;
}

.pricing__period {
  font-size: 16px;
  color: #64748b;
}

.pricing__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing__features li {
  font-size: 15px;
  color: #334155;
  padding-left: 24px;
  position: relative;
}

.pricing__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #18b6a6;
  font-weight: 700;
}

.pricing__note {
  font-size: 14px;
  color: #64748b;
  text-align: center;
  margin-top: 8px;
}

@media (max-width: 768px) {
  .pricing__note {
    text-align: left;
  }
}

/* ========== 生成イメージセクション ========== */
.demo {
  position: relative;
  z-index: 2;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 100px;
}

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

.demo__title {
  font-weight: 700;
  font-size: 24px;
  line-height: 1.6;
  color: #111;
  text-align: center;
}

.demo__image-wrap {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.demo__image {
  width: 100%;
  height: auto;
}

.demo__image--sp {
  display: none;
}

.demo__note {
  font-size: 13px;
  color: #94a3b8;
}

.demo__modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
}

.demo__modal.is-open {
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo__modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 1);
}

.demo__modal-body {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo__modal-body img {
  width: 100%;
  height: auto;
  transform-origin: center center;
  transition: transform 0.1s ease;
}

.demo__modal-close {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  font-size: 28px;
  line-height: 1;
  color: #fff;
  cursor: pointer;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .demo__image--pc {
    display: none;
  }

  .demo__image--sp {
    display: block;
    cursor: pointer;
  }

  .demo__title {
    font-size: 20px;
  }
}

/* ========== ChatGPTとの差別化セクション ========== */
.differentiation {
  position: relative;
  z-index: 2;
  background: #f9fbfc;
  overflow: visible;
}

.differentiation__inner {
  max-width: 1212px;
  margin: 0 auto;
  padding: 80px 24px;
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.differentiation__deco {
  position: absolute;
  pointer-events: none;
  opacity: 0.25;
  z-index: 0;
}

.differentiation__deco--left {
  width: 240px;
  height: 210px;
  top: 20px;
  left: -60px;
}

.differentiation__deco--right {
  width: 200px;
  height: 180px;
  bottom: 20px;
  right: -40px;
  filter: hue-rotate(160deg);
}


.differentiation__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.differentiation__title {
  font-weight: 700;
  font-size: 28px;
  line-height: 1.6;
  color: #111;
}

.differentiation__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.differentiation__body p {
  font-size: 16px;
  line-height: 1.8;
  color: #334155;
}

.differentiation__note {
  font-size: 13px;
  color: #94a3b8;
}

.differentiation__diagram {
  flex-shrink: 0;
  width: 420px;
  position: relative;
}

.diagram__illustration {
  position: absolute;
  width: 330px;
  left: -70px;
  bottom: -120px;
  opacity: 1;
  z-index: 0;
  pointer-events: none;
}

.diagram {
  position: relative;
  z-index: 1;
}

.diagram {
  display: flex;
  gap: 20px;
}

.diagram__col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.diagram__col-label {
  font-weight: 700;
  font-size: 14px;
  color: #64748b;
  text-align: center;
  margin-bottom: 4px;
}

.diagram__col-label--accent {
  color: #4354de;
}

.diagram__box {
  width: 100%;
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.diagram__box p {
  font-size: 14px;
  line-height: 1.6;
  font-weight: 700;
}

.diagram__box--grey {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
}

.diagram__box--grey p {
  color: #64748b;
}

.diagram__box--blue {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
}

.diagram__box--blue p {
  color: #1e40af;
}

.diagram__box--accent {
  background: #4354de;
}

.diagram__box--accent p {
  color: #fff;
}

.diagram__arrow {
  font-size: 20px;
  color: #94a3b8;
  line-height: 1;
}

.diagram__col--copymall .diagram__arrow {
  color: #4354de;
}

@media (max-width: 768px) {
  .differentiation__deco {
    display: none;
  }

  .differentiation__inner {
    flex-direction: column;
    gap: 32px;
    padding: 80px 0;
  }

  .differentiation__diagram {
    width: 100%;
  }

  .diagram__illustration {
    width: 230px;
    left: -50px;
    right: auto;
    bottom: -70px;
    opacity: 1;
  }

  .differentiation__diagram {
    width: 100%;
  }

  .differentiation__title {
    font-size: 22px;
  }

  .differentiation {
    padding: 60px 20px 0;
  }
}

/* ========== FAQ セクション ========== */
.faq {
  position: relative;
  z-index: 2;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 0;
}

.faq__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.faq__title {
  font-weight: 700;
  font-size: 36px;
  line-height: normal;
  color: #111;
}

.faq__list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq__item {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(112, 112, 112, 0.15);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq__item:hover {
  box-shadow: 0 4px 16px rgba(112, 112, 112, 0.2);
}

.faq__item[open] {
  box-shadow: 0 4px 16px rgba(67, 84, 222, 0.15);
}

.faq__question {
  padding: 24px 32px;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.6;
  color: #111;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 60px;
}

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

.faq__question::after {
  content: '+';
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 700;
  color: #4354de;
  transition: transform 0.3s ease;
}

.faq__item[open] .faq__question::after {
  content: '−';
}

.faq__answer {
  padding: 0 32px 24px;
  font-size: 16px;
  line-height: 1.8;
  color: #555;
}

/* ========== 運営者情報セクション ========== */
.operator {
  position: relative;
  z-index: 2;
  max-width: 1212px;
  margin: 0 auto;
  padding: 100px 24px 0;
}

.operator__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.operator__title {
  font-weight: 700;
  font-size: 36px;
  line-height: normal;
  color: #111;
}

.operator__card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.operator__text {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
}

.operator__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.operator__row {
  display: flex;
  gap: 24px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid #f0f0f0;
}

.operator__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.operator__label {
  font-weight: 700;
  font-size: 14px;
  color: #64748b;
  width: 120px;
  flex-shrink: 0;
}

.operator__value {
  font-size: 16px;
  color: #334155;
}

/* ========== フッター ========== */
.footer {
  background: #1e293b;
  padding: 48px 24px;
  margin-top: 100px;
}

.footer__inner {
  max-width: 1212px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer__logo .logo-text {
  font-size: 32px;
}

.footer__nav {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav a {
  font-size: 14px;
  color: #94a3b8;
  transition: color 0.2s;
}

.footer__nav a:hover {
  color: #fff;
}

.footer__copy {
  font-size: 13px;
  color: #64748b;
}

/* ========== レスポンシブ: タブレット (768px以下) ========== */
@media (max-width: 768px) {

  /* ヘッダー */
  .header {
    flex-direction: column;
    gap: 16px;
    padding: 20px 20px 24px;
    align-items: center;
  }

  .header__nav {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-link {
    font-size: 14px;
  }

  /* ヒーロー */
  .hero {
    flex-direction: column;
    padding: 0 20px 60px;
    min-height: auto;
  }

  .hero__content {
    width: 100%;
    gap: 24px;
  }

  .hero__badge {
    font-size: 18px;
    padding: 16px 20px;
  }

  .headline-xl {
    font-size: 48px;
  }

  .headline-large {
    font-size: 32px;
  }

  .headline-mid {
    font-size: 24px;
    padding: 6px;
  }

  .headline-de {
    font-size: 32px;
    height: 48px;
  }

  .btn-cta-hero {
    font-size: 18px;
    padding: 16px 24px;
    white-space: normal;
    text-align: center;
    line-height: 1.4;
  }

  .hero__visual {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: auto;
    margin-top: 24px;
  }

  .hero__ai-card {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    margin-top: 16px;
  }

  .ai-card__image {
    width: 100%;
    height: auto;
  }

  .hero__time-badge {
    top: 10px;
    right: 10px;
    width: 100px;
    height: 100px;
  }

  .time-badge__label {
    font-size: 14px;
    line-height: 24px;
  }

  .time-badge__main {
    font-size: 24px;
  }

  .time-badge__sub {
    font-size: 14px;
    line-height: 24px;
  }

  .mall-badge {
    width: 70px;
    height: 70px;
    border-radius: 16px;
  }

  .mall-badge img {
    max-width: 45px;
    max-height: 35px;
  }

  .mall-badge--rakuten { right: 180px; top: 200px; }
  .mall-badge--yahoo { right: 90px; top: 190px; }
  .mall-badge--amazon { right: 0; top: 190px; }

  /* お悩み */
  .problems {
    padding: 60px 20px 0;
  }

  .problems__heading {
    flex-wrap: wrap;
    justify-content: center;
  }

  .heading-normal {
    font-size: 24px;
  }

  .heading-accent {
    font-size: 32px;
  }

  .problems__cards {
    flex-direction: column;
    gap: 16px;
  }

  .problem-card {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .problem-card__text {
    text-align: center;
    font-size: 18px;
    line-height: 30px;
  }

  .problem-card__image {
    width: 120px;
    height: 96px;
  }

  /* 解決策 */
  .solution {
    padding: 60px 20px 0;
    gap: 40px;
  }

  .logo-text--lg {
    font-size: 40px;
  }

  .heading-accent-solve {
    font-size: 32px;
  }

  .solution__points {
    flex-direction: column;
    gap: 40px;
  }

  .point-card {
    width: 100%;
  }

  /* 使い方 */
  .howto {
    flex-direction: column;
    padding: 60px 20px 0;
    gap: 32px;
  }

  .howto__left {
    width: 100%;
  }

  .howto__heading-lg {
    font-size: 28px;
  }

  .howto__heading-md {
    font-size: 24px;
  }

  .howto__desc {
    white-space: normal;
  }

  .howto__steps {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }

  .step-card {
    width: 100%;
    height: auto;
    flex-direction: row;
    padding: 16px;
    gap: 16px;
  }

  .step-card__header {
    width: auto;
    align-items: flex-start;
  }

  .step-card__num {
    font-size: 24px;
  }

  .step-card__title {
    font-size: 18px;
  }

  .step-chevron {
    transform: rotate(90deg);
    width: 12px;
    height: 20px;
  }

  .step-card__image {
    width: 120px;
    height: 90px;
  }

  .step-card__ai-visual {
    width: 120px;
    height: 70px;
  }

  .step-ai-robot {
    width: 60px;
    height: 60px;
  }

  .step-file {
    width: 35px;
    height: 35px;
  }

  .step-file--1 { left: 60px; top: 0; }
  .step-file--2 { left: 80px; top: 40px; }
  .step-file--3 { left: 95px; top: 3px; }

  .step-card__mall-visual {
    width: 100%;
    max-width: 200px;
  }

  .mall-item {
    gap: 12px;
    padding: 8px;
  }

  .mall-item__logo {
    width: 36px;
  }

  .line--light {
    width: 80px;
  }

  .line--short {
    width: 60px;
  }

  /* 利用者の声 */
  .testimonials {
    padding: 60px 20px 0;
    gap: 32px;
  }

  .testimonials__cards {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .testimonial-card {
    width: 100%;
    max-width: 400px;
  }

  /* 料金 */
  .pricing {
    padding: 60px 20px 0;
  }

  .pricing__title {
    font-size: 28px;
  }

  .pricing__cards {
    flex-direction: column;
    align-items: center;
  }

  .pricing__card {
    width: 100%;
    max-width: 360px;
  }

  /* CTA */
  .cta-section__inner {
    flex-direction: column;
    gap: 32px;
    padding: 32px 20px;
    min-height: auto;
  }

  .cta-headline__text {
    font-size: 24px;
    line-height: 40px;
  }

  .logo-text--cta {
    font-size: 36px;
  }

  .cta-pre-badge span {
    font-size: 18px;
    line-height: 44px;
  }

  .cta-benefit {
    font-size: 16px;
  }

  .cta-section__form {
    width: 100%;
  }

  .form {
    width: 100%;
  }

  .form__row {
    flex-direction: column;
    gap: 8px;
  }

  .form__label {
    width: auto;
    font-size: 16px;
  }

  .form__input {
    width: 100%;
  }

  /* FAQ */
  .faq {
    padding: 60px 20px 0;
  }

  .faq__title {
    font-size: 28px;
  }

  .faq__question {
    padding: 20px 50px 20px 20px;
    font-size: 16px;
  }

  .faq__question::after {
    right: 20px;
  }

  .faq__answer {
    padding: 0 20px 20px;
    font-size: 15px;
  }

  /* フッター */
  .footer {
    margin-top: 60px;
    padding: 32px 20px;
  }

  .footer__nav {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  /* 装飾を非表示 */
  .deco {
    display: none;
  }

  .cta-bg {
    display: none;
  }
}

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

  .headline-xl {
    font-size: 36px;
  }

  .headline-large {
    font-size: 26px;
  }

  .headline-mid {
    font-size: 20px;
  }

  .headline-de {
    font-size: 26px;
    height: 40px;
  }

  .hero__badge {
    font-size: 15px;
    padding: 12px 16px;
  }

  .btn-cta-hero {
    font-size: 16px;
    padding: 14px 20px;
    white-space: normal;
    text-align: center;
    line-height: 1.4;
  }

  .logo-text {
    font-size: 32px;
  }

  .logo-text--lg {
    font-size: 32px;
  }

  .heading-normal {
    font-size: 20px;
  }

  .heading-accent {
    font-size: 28px;
  }

  .heading-accent-solve {
    font-size: 28px;
  }

  .point-card__title {
    font-size: 20px;
    line-height: 32px;
  }

  .testimonials__heading .heading-normal {
    font-size: 28px;
  }

  .pricing__amount {
    font-size: 32px;
  }

  .cta-headline__text {
    font-size: 20px;
    line-height: 36px;
  }

  .logo-text--cta {
    font-size: 30px;
  }

  .btn-cta-form {
    font-size: 18px;
    padding: 16px 24px;
  }
}