@charset "UTF-8";

/* ============= Base ============= */
* {
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f7f9fa;
  color: #3b4952;
}

h1,
h2,
h3,
p,
ul,
li,
dl,
dt,
dd {
  margin: 0;
}

ul {
  padding: 0;
}

li {
  list-style: none;
}

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

/* ============= Layout ============= */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 32px;
}

/* 共通：hoverで色は変えない（浮き＋影だけ） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  padding: 14px 24px;
  border-radius: 9999px;

  font-size: 16px;
  font-weight: 600;
  line-height: 1;

  cursor: pointer;
  user-select: none;

  border: 1px solid transparent;
  background: transparent;
  color: inherit;

  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.btn:focus-visible {
  outline: 3px solid rgba(146, 184, 194, 0.45);
  outline-offset: 3px;
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

/* CTA（購入する / 全ての商品を見る） */
.btn--cta {
  background: #92b8c2;
  color: #ffffff;
  border-color: #92b8c2;
}

/* CTA hoverでも色固定（変えない） */
.btn--cta:hover {
  background: #92b8c2;
  color: #ffffff;
  border-color: #92b8c2;
}

/* HEROのアウトライン */
.btn--outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: none;
}

.btn--outline:hover {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.products-buy-button {
  display: block;
  width: fit-content;
  margin: 64px auto 0;
}

/* ============= Cards ============= */
.card {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(59, 73, 82, 0.08);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

.cards-row {
  display: flex;
  gap: 20px;
}

.cards-row > * {
  flex: 1;
}

/* ============= Header ============= */
.header {
  background-color: #ffffff;
  padding: 20px 40px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header .logo {
  font-size: 20px;
}

.header .logo a {
  display: block;
}

.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 40px;
  margin-left: auto;
  margin-right: 50px;
  font-size: 16px;
}

.hamburger {
  display: none;
}

/* ============= Hero ============= */
.hero {
  position: relative;
  height: calc(100vh - 80px);
  padding: 80px 40px;
  background: url(img/hero.jpg) center / cover no-repeat;
  color: #ffffff;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-eyebrow {
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 1.25px;
  font-weight: 400;
}

.hero-title {
  font-size: 48px;
  font-weight: 500;
  margin-bottom: 16px;
}

.hero-text {
  font-size: 18px;
  font-weight: 400;
}

.hero-text:last-of-type {
  margin-bottom: 24px;
}

.scroll-down {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
  color: #ffffff;
  animation: bounceY 1.2s ease-in-out infinite;
}

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

/* ============= Problem ============= */
.problem-card p {
  font-size: 16px;
  line-height: 1.7;
  text-align: center;
  color: #3b4952;
}

/* ============= Feature ============= */
.feature-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-card {
  border-radius: 16px;
  background: rgba(227, 234, 237, 0.3);
  padding: 40px;
  border: 1px solid rgba(59, 73, 82, 0.08);

  display: flex;
  align-items: flex-start;
  gap: 48px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-text {
  font-size: 16px;
  line-height: 1.7;
}

/* ============= Scene ============= */
.scene {
  width: 100%;
  background: #a7c7d0;
  padding: 80px 0;
}

.scene .scene-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.scene .section-title {
  color: #ffffff;
  margin-bottom: 16px;
}

.scene-lead {
  color: rgba(255, 255, 255, 0.95);
  text-align: center;
  margin-bottom: 32px;
  font-size: 18px;
  line-height: 1.7;
}

.scene-cards {
  display: flex;
  gap: 36px;
  width: 100%;
}

.scene-card {
  flex: 1;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(227, 234, 237, 0.3);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

.scene-image {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}

.scene-overlay {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
}

.scene-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #ffffff;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.scene-text {
  font-size: 14px;
  line-height: 1.65;
  color: #ffffff;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* ============= Voice ============= */
.voice-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.voice-card {
  background-color: #c5d9e033;
  box-shadow: none;
}

.voice-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px;
  gap: 12px;
}

.voice-name {
  font-size: 18px;
  font-weight: 600;
  color: #3b4952;
  opacity: 0.9;
}

.voice-rating {
  display: inline-flex;
  gap: 4px;
  font-size: 16px;
  line-height: 1;
  color: #f5c542;
}

.voice-text {
  font-size: 16px;
  line-height: 1.6;
  color: #3b4952;
  margin-top: 8px;
}

/* ============= Quality ============= */
.quality {
  padding: 80px 0;
}

.quality .section-title {
  margin-bottom: 32px;
}

.quality ul {
  margin: 0;
  padding: 24px;
  background: #c5d9e01a;
  border-radius: 16px;
  border: 1px solid rgba(59, 73, 82, 0.08);
}

.quality-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 8px;
}

.quality-item + .quality-item {
  border-top: 1px solid rgba(59, 73, 82, 0.08);
}

.quality-item img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.quality-text {
  margin-left: 14px;
  font-size: 18px;
  line-height: 1.7;
  letter-spacing: 1.2px;
  color: #3b4952;
}

/* ============= Sustainability ============= */
.sustainability {
  padding: 80px 0;
  background-color: #eef1ed;
}

.sustainability .section-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}

.sustainability-image {
  display: block;
  width: 100%;
  max-width: 720px;
  margin: 0 auto 48px;
  border-radius: 12px;
}

.sustainability dl {
  max-width: 720px;
  margin: 0 auto 40px;
}

.sustainability-item {
  padding: 24px 0;
  border-bottom: 1px solid #e0e0e0;
}

.sustainability-item:last-child {
  border-bottom: none;
}

.sustainability-term {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #2f4f3f;
}

.sustainability-description {
  font-size: 16px;
  line-height: 1.7;
  color: #555;
}

.sustainability p {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  text-align: center;
}

/* ============= Product Lineup ============= */
.product-lineup {
  padding: 100px 0 80px;
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: transparent;
}

.product-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

.product-lineup .section-title {
  text-align: center;
  font-size: 28px;
  font-weight: 600;
  color: #3b4952;
  margin-bottom: 8px;
}

.product-lineup .product-catch {
  text-align: center;
  font-size: 16px;
  color: #3b4952;
  opacity: 0.85;
  margin-bottom: 56px;
}

.product-title {
  margin-top: 20px;
  margin-bottom: 6px;
  font-size: 18px;
  font-weight: 600;
  color: #3b4952;
  text-align: left;
}

.product-lead {
  text-align: left;
  font-size: 16px;
  color: #3b4952;
  opacity: 0.8;
  margin-bottom: 48px;
}

/* ============= Service ============= */
.service {
  padding: 72px 0;
  background-color: #ffffff;
}

.service .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.service ul {
  padding: 0;
  margin: 0;
}

.service li {
  list-style: none;
}

.service img {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
}

.service-lead {
  font-size: 16px;
  font-weight: 500;
  color: #3b4952;
  letter-spacing: 0.04em;
}

/* ============= Footer ============= */
.footer {
  padding: 32px 0;
  background-color: #f7f9fa;
  text-align: center;
}

.footer-copy {
  font-size: 13px;
  color: #3b4952;
  opacity: 0.7;
  letter-spacing: 0.03em;
}

/* ============= Responsive (SP) ============= */
@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 20px;
    margin-bottom: 24px;
  }

  /* Header */
  .header {
    padding: 16px 16px;
  }

  .header .logo {
    font-size: 16px;
  }

  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }

  .hamburger span {
    width: 24px;
    height: 2px;
    background: #3b4952;
  }

  .nav {
    display: none;
  }

  /* Hero */
  .hero {
    height: auto;
    min-height: calc(100vh - 60px);
    padding: 48px 16px;
  }

  .hero-title {
    font-size: 32px;
    margin-bottom: 12px;
  }

  .hero-text {
    font-size: 16px;
  }

  /* Cards row */
  .cards-row {
    flex-direction: column;
    gap: 16px;
  }

  .problem-card p {
    font-size: 14px;
  }

  /* Feature */
  .feature-card {
    padding: 24px;
    gap: 24px;
  }

  .feature-icon {
    width: 36px;
    height: 36px;
  }

  .feature-title {
    font-size: 16px;
  }

  .feature-text {
    font-size: 14px;
  }

  /* Scene */
  .scene {
    padding: 48px 0;
  }

  .scene .scene-container {
    padding: 0 16px;
  }

  .scene-lead {
    font-size: 16px;
    margin-bottom: 24px;
  }

  .scene-cards {
    flex-direction: column;
    gap: 20px;
  }

  .scene-image {
    height: 300px;
  }

  .scene-title {
    font-size: 16px;
  }

  .scene-text {
    font-size: 12px;
  }

  /* Voice */
  .voice-cards {
    grid-template-columns: 1fr;
  }

  .voice-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .voice-name {
    font-size: 16px;
  }

  .voice-text {
    font-size: 14px;
  }

  /* Quality */
  .quality {
    padding: 48px 0;
  }

  .quality ul {
    padding: 16px;
  }

  .quality-item {
    padding: 12px 4px;
  }

  .quality-item img {
    width: 20px;
    height: 20px;
  }

  .quality-text {
    font-size: 14px;
    margin-left: 8px;
  }

  /* Sustainability */
  .sustainability {
    padding: 48px 0;
  }

  .sustainability .section-title {
    font-size: 20px;
    margin-bottom: 24px;
  }

  .sustainability-image {
    margin-bottom: 32px;
  }

  .sustainability-term {
    font-size: 16px;
  }

  .sustainability-description {
    font-size: 14px;
  }

  .sustainability p {
    font-size: 14px;
  }

  /* Product */
  .product-lineup {
    padding: 64px 0 48px;
  }

  .product-cards {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-lineup .product-catch {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .product-title {
    font-size: 16px;
  }

  .product-lead {
    font-size: 14px;
  }

  .products-buy-button {
    margin-top: 40px;
  }

  /* Service */
  .service {
    padding: 48px 0;
  }

  .service .container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service img {
    width: 44px;
    height: 44px;
  }

  .service-lead {
    font-size: 14px;
  }

  /* Footer */
  .footer {
    padding: 24px 0;
  }

  .footer-copy {
    font-size: 12px;
  }

  .btn {
    padding: 12px 20px;
    font-size: 15px;
  }
}