:root {
  --accent: #ff4a39;
  --text: #252525;
  --muted: #777;
  --line: #ececec;
  --peach: #fff0ed;
  --peach-soft: #fff8f6;
  --gray: #f3f3f3;
  --dark: #1f2020;
  --container: min(1120px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Yu Gothic Medium", Meiryo, sans-serif;
  line-height: 1.75;
  background: #fff;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: min(1280px, calc(100vw - 32px));
  margin: 12px auto 0;
  padding: 24px 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 12px;
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 44px rgba(42, 34, 31, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 205px;
  height: auto;
}

.nav-toggle,
.hamburger {
  display: none;
}

.hamburger {
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: #252525;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav {
  display: flex;
  gap: 40px;
  align-items: center;
  color: #262626;
  font-size: 16px;
  white-space: nowrap;
}

.nav a {
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--accent);
}

section {
  position: relative;
}

.section-white {
  background: #fff;
}

.section-peach {
  background: var(--peach);
}

.section-peach-soft {
  background: var(--peach-soft);
}

.section-gray {
  background: var(--gray);
}

.hero {
  height: 774px;
  padding: 100px max(24px, calc((100vw - 1272px) / 2)) 0;
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(420px, 602px);
  align-items: start;
  gap: 72px;
  overflow: hidden;
}

.hero-copy {
  padding-top: 2px;
}

.lead {
  margin: 0 0 36px;
  color: #686868;
  font-size: 17px;
}

.hero h1 {
  margin: 64px 0 44px;
  color: var(--accent);
  font-size: clamp(34px, 3.4vw, 44px);
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: 0;
}

.hero-image {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  aspect-ratio: 602 / 503;
  background: #eee;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-width: 216px;
  min-height: 58px;
  padding: 14px 28px;
  border-radius: 7px;
  border: 1px solid var(--accent);
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(255, 74, 57, 0.14);
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-outline {
  background: #fff;
  color: var(--accent);
}

.hero-actions,
.section-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.about .section-actions {
  justify-content: center;
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 54px;
  transform: translateX(-50%);
  color: #777;
  text-align: center;
  font-size: 22px;
  line-height: 1.2;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 32px;
  margin: 0 auto 12px;
  background: #777;
}

.about,
.clients,
.strength {
  padding: 104px 24px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 24px;
  line-height: 1.2;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 3.4vw, 44px);
  line-height: 1.24;
  font-weight: 500;
  letter-spacing: 0;
}

.center-text {
  margin: 26px auto 0;
  max-width: 760px;
  color: #777;
  font-size: 16px;
}

.about-points {
  width: var(--container);
  margin: 30px auto 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.about-points article {
  min-height: 270px;
  padding: 32px 44px 18px;
  border-right: 1px solid #f2dcda;
}

.about-points article:last-child {
  border-right: 0;
}

.about-points h3 {
  margin: 34px 0 18px;
  font-size: 30px;
  line-height: 1.35;
}

.point-icon {
  width: 46px;
  height: 46px;
  margin: 0 auto;
  object-fit: contain;
}

.about-points p,
.feature-list p {
  margin: 0;
  color: #777;
}

.about-points p {
  text-align: left;
}

.icon {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 42px;
  color: var(--accent);
}

.icon::before,
.icon::after {
  content: "";
  position: absolute;
}

.icon-monitor::before {
  inset: 7px 5px 12px;
  border: 4px solid var(--accent);
  border-radius: 3px;
}

.icon-monitor::after {
  left: 15px;
  bottom: 4px;
  width: 12px;
  height: 11px;
  border-bottom: 4px solid var(--accent);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}

.icon-cart::before {
  left: 7px;
  top: 9px;
  width: 26px;
  height: 17px;
  border: 4px solid var(--accent);
  border-top: 0;
  transform: skewX(-12deg);
}

.icon-cart::after {
  left: 12px;
  bottom: 5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 16px 0 0 var(--accent);
}

.icon-gear::before {
  inset: 7px;
  border: 5px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 -9px 0 -4px var(--accent), 0 9px 0 -4px var(--accent), 9px 0 0 -4px var(--accent), -9px 0 0 -4px var(--accent);
}

.icon-gear::after {
  inset: 16px;
  border-radius: 50%;
  background: var(--accent);
}

.client-grid {
  width: var(--container);
  margin: 28px auto 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.client-grid article {
  min-height: 195px;
  padding: 42px 20px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 8px;
}

.client-grid h3 {
  margin: 24px 0 0;
  font-size: 17px;
  line-height: 1.8;
}

.icon-mail::before {
  inset: 8px 3px;
  border: 4px solid var(--accent);
  border-radius: 3px;
}

.icon-mail::after {
  left: 6px;
  top: 14px;
  width: 29px;
  height: 17px;
  border-left: 4px solid var(--accent);
  border-bottom: 4px solid var(--accent);
  transform: rotate(-45deg) skew(12deg, 12deg);
  border-radius: 2px;
}

.icon-chat::before {
  inset: 5px 3px 10px;
  border: 4px solid var(--accent);
  border-radius: 3px;
}

.icon-chat::after {
  left: 7px;
  bottom: 2px;
  border-top: 12px solid var(--accent);
  border-right: 10px solid transparent;
}

.icon-list::before {
  inset: 7px 4px;
  border: 4px solid var(--accent);
  border-radius: 3px;
}

.icon-list::after {
  left: 15px;
  top: 14px;
  width: 18px;
  height: 4px;
  background: var(--accent);
  box-shadow: 0 9px 0 var(--accent), 0 18px 0 var(--accent);
}

.service {
  padding: 88px 24px 110px;
}

.section-head-left,
.service-grid,
.left-title {
  width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.section-head-left p:last-child {
  margin: 0;
  color: #777;
}

.left-title {
  margin-top: 54px;
  margin-bottom: 22px;
  font-size: 31px;
  line-height: 1.4;
  font-weight: 500;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.service-card {
  min-height: 215px;
  padding: 72px 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  overflow: hidden;
  color: #fff;
  border-radius: 7px;
  background:
    linear-gradient(180deg, rgba(232, 232, 232, 0.1), rgba(35, 35, 35, 0.62)),
    var(--service-image);
  background-size: cover;
  background-position: center;
  text-decoration: none;
}

.service-card.image-card {
  background:
    linear-gradient(180deg, rgba(230, 230, 230, 0.7), rgba(40, 40, 40, 0.48)),
    radial-gradient(circle at 55% 45%, rgba(255, 255, 255, 0.4) 0 10%, transparent 11%),
    linear-gradient(135deg, #d7d7d7, #a0a0a0);
}

.service-website {
  --service-image: url("./assets/service/website.svg");
}

.service-ec {
  --service-image: url("./assets/service/ec.svg");
}

.service-crowdfunding {
  --service-image: url("./assets/service/crowdfunding.svg");
}

.service-sns-operation {
  --service-image: url("./assets/service/sns-operation.svg");
}

.service-influencer {
  --service-image: url("./assets/service/influencer.svg");
}

.service-sns-ads {
  --service-image: url("./assets/service/sns-ads.svg");
}

.service-claseo {
  --service-image: url("./assets/service/claseo.svg");
}

.service-ai-agent {
  --service-image: url("./assets/service/ai-agent.svg");
}

.service-workflow-tool {
  --service-image: url("./assets/service/workflow-tool.svg");
}

.service-card span {
  font-size: 13px;
}

.service-card h3 {
  margin: 8px 0 6px;
  font-size: 17px;
  line-height: 1.35;
}

.service-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
}

.media-title {
  margin-top: 22px;
}

.one-card {
  grid-template-columns: repeat(3, 1fr);
}

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

.feature {
  padding: 110px max(24px, calc((100vw - 1120px) / 2));
}

.feature-content {
  max-width: 860px;
}

.feature h2 {
  margin-bottom: 46px;
}

.feature-list {
  display: grid;
  gap: 40px;
}

.feature-list h3 {
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--accent);
  font-size: 30px;
  line-height: 1.35;
  font-weight: 500;
}

.feature-list h3 span {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid var(--accent);
  border-radius: 50%;
  font-size: 16px;
}

.feature-list p {
  padding-left: 46px;
  font-size: 16px;
}

.feature-actions {
  margin-top: 44px;
}

.section-producer {
  background: #787877;
  color: #fff;
}

.producer {
  padding: 56px max(24px, calc((100vw - 1212px) / 2)) 62px;
}

.producer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 374px;
  align-items: center;
  gap: 84px;
}

.producer-copy {
  max-width: 760px;
}

.producer .producer-role {
  margin: 0 0 18px;
  font-size: 23px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.producer h2 {
  margin: 0 0 18px;
  color: #fff;
  font-size: 34px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.producer p {
  margin: 0 0 26px;
  font-size: 15.5px;
  line-height: 1.85;
  font-weight: 600;
}

.producer-label {
  margin-bottom: 6px;
}

.producer-photo {
  margin: 0;
  width: 374px;
  box-shadow: 28px 36px 40px rgba(0, 0, 0, 0.16);
}

.producer-photo img {
  width: 100%;
  aspect-ratio: 374 / 394;
  object-fit: cover;
  border-radius: 18px;
}

.section-dark {
  background: var(--dark);
  color: #fff;
}

.contact {
  padding: 68px 24px 60px;
  text-align: center;
}

.contact-title {
  margin: 0 0 20px;
  font-size: 31px;
  font-weight: 700;
  line-height: 1.2;
}

.contact-note {
  margin: 0 auto 52px;
  max-width: 720px;
  font-weight: 700;
  line-height: 1.7;
}

.contact-form {
  width: min(690px, calc(100vw - 48px));
  margin: 0 auto;
  display: grid;
  gap: 24px;
  text-align: left;
}

.contact-form label {
  font-size: 18px;
  font-weight: 700;
}

.contact-form label span {
  color: var(--accent);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 7px;
  padding: 14px;
  border: 1px solid #dcdcdc;
  border-radius: 9px;
  background: #fff;
  color: #222;
  font: inherit;
  font-size: 17px;
}

.contact-form input {
  height: 55px;
}

.contact-form textarea {
  min-height: 174px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #c9c9c9;
}

.submit-button {
  width: 216px;
  height: 55px;
  margin: 26px auto 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 58px;
  border: 0;
  border-radius: 9px;
  background: #fff;
  color: #1b1b1b;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.18);
}

.submit-button span {
  font-size: 30px;
  line-height: 0;
}

.footer {
  padding: 96px 24px 0;
  background: #fff;
}

.footer-line {
  width: var(--container);
  height: 2px;
  margin: 0 auto 66px;
  background: #222;
}

.footer-inner {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 0.7fr 0.7fr;
  gap: 70px;
  align-items: start;
}

.footer-company {
  display: grid;
  gap: 36px;
}

.footer-brand {
  align-self: start;
}

.footer-brand img {
  width: 320px;
}

.footer-nav,
.company-info {
  display: grid;
  gap: 14px;
}

.footer-nav {
  justify-self: end;
  padding-right: 30px;
  text-align: left;
}

.company-info {
  color: #555;
  font-size: 14px;
  line-height: 1.4;
}

.company-info p {
  margin: 0;
}

.footer-copyright {
  width: var(--container);
  margin: 72px auto 0;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: #777;
  font-size: 13px;
  text-align: right;
}

.contact-result {
  min-height: 100vh;
  display: grid;
  place-content: center;
  gap: 24px;
  padding: 40px 20px;
  text-align: center;
}

.contact-result h1 {
  margin: 0;
  font-size: 34px;
  font-weight: 600;
}

.contact-result p {
  margin: 0;
  color: #666;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    padding: 18px 22px;
    border-radius: 12px;
  }

  .brand {
    max-width: 220px;
  }

  .brand img {
    width: 188px;
  }

  .nav {
    gap: 14px 22px;
    justify-content: flex-end;
    flex-wrap: wrap;
    font-size: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 100px;
    height: 774px;
  }

  .hero h1 {
    margin-top: 42px;
  }

  .scroll-indicator {
    display: none;
  }

  .about-points,
  .client-grid,
  .service-grid,
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .about-points article:nth-child(2) {
    border-right: 0;
  }

  .about-points article:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid #f2dcda;
  }

  .producer-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .producer-copy {
    max-width: none;
  }

  .producer-photo {
    width: min(374px, 100%);
  }

  .footer-copyright {
    text-align: left;
  }
}

@media (max-width: 680px) {
  :root {
    --container: min(100%, calc(100vw - 32px));
  }

  .site-header {
    width: calc(100% - 24px);
    border-radius: 12px;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hamburger {
    display: inline-flex;
    margin-left: auto;
  }

  .nav {
    display: none;
    width: 100%;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 12px;
    padding-top: 4px;
    font-size: 14px;
  }

  .nav-toggle:checked ~ .hamburger span:first-child {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle:checked ~ .hamburger span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked ~ .hamburger span:last-child {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-toggle:checked ~ .nav {
    display: flex;
  }

  .hero,
  .about,
  .clients,
  .service,
  .feature,
  .producer,
  .contact,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero {
    height: auto;
    grid-template-columns: 1fr;
    gap: 32px;
    overflow: visible;
    padding-top: 100px;
    padding-bottom: 64px;
  }

  .hero-image {
    width: 100%;
  }

  .lead {
    font-size: 15px;
  }

  .hero h1,
  h2 {
    font-size: 30px;
  }

  .button {
    width: 100%;
  }

  .about h2,
  .about .center-text {
    text-align: center;
  }

  .about-points,
  .service-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .client-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .client-grid article {
    min-height: 136px;
    padding: 22px 10px 18px;
    border-radius: 8px;
  }

  .client-grid .point-icon {
    width: 34px;
    height: 34px;
  }

  .client-grid h3 {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.55;
  }

  .about-points article,
  .about-points article:nth-child(2),
  .about-points article:last-child {
    border-right: 0;
    border-top: 1px solid #f2dcda;
  }

  .about-points article:first-child {
    border-top: 0;
  }

  .client-grid {
    gap: 16px;
  }

  .service-card {
    min-height: 205px;
  }

  .feature-list h3 {
    align-items: flex-start;
    font-size: 25px;
  }

  .feature-list p {
    padding-left: 0;
  }

  .producer {
    padding-top: 44px;
    padding-bottom: 48px;
  }

  .producer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .producer .producer-role {
    margin-bottom: 18px;
    font-size: 19px;
  }

  .producer h2 {
    font-size: 28px;
  }

  .producer p {
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.85;
  }

  .producer-photo {
    width: min(100%, 374px);
    box-shadow: 18px 24px 32px rgba(0, 0, 0, 0.16);
  }

  .contact-form {
    width: 100%;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-brand img {
    width: 260px;
  }

  .footer-nav {
    justify-self: start;
    padding-right: 0;
  }
}