:root {
  --bg: #fff;
  --ink: #2e2a27;
  --muted: #6b6b6b;
  --brand: #7a4f2b;
  --accent: #7fc9c3;
  --gold: #c5a572;
  --panel: #ffffff;
  --radius: 18px;
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  --max: 1400px;
  --chip-ico: clamp(14px, 1.3vw, 18px);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto,
    Helvetica, Arial, "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo",
    sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding: clamp(16px, 3vw, 42px);
}

.h2 {
  font-size: clamp(24px, 3.2vw, 34px);
  text-align: center;
  margin: 0.2em 0 0.6em;
  letter-spacing: 0.03em;
  position: relative;
  color: #2d3c43;
}
.h2::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin: 0.5em auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  border-radius: 999px;
}

.lead {
  max-width: 900px;
  margin: 0.2em auto 0;
  text-align: center;
  color: #385a66;
}

.FV {
  width: 100%;
  overflow: hidden;
}
.FV img {
  width: 100%;
  height: auto;
  display: block;
}

/* ====== Hero ====== */
.hero {
  background: url("./img/SUUVY_BG.png") center/cover no-repeat;
  padding: clamp(32px, 7vw, 80px) 0;
  text-align: center;
}
.hero h1 {
  font-size: clamp(28px, 4.2vw, 62px);
  margin: 0;
  color: #5c2b0b;
}
.hero_wrap {
  display: flex;
  align-items: center;
}
.hero h2 {
  font-size: clamp(20px, 3vw, 40px);
  line-height: 1.4;
  margin: 0.8em 0 0.8em;
}
.hero .chip {
  font-size: clamp(14px, 2vw, 18px);
}
.paste {
  width: 100%;
}
.content {
  width: 50%;
}
.kv-points {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 14px 0 0;
}
:root {
  --chip-ico: clamp(20px, 1.3vw, 40px);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid #e7ecef;
  padding: 0.55em 0.95em;
  border-radius: 999px;
  font-weight: 700;
  color: #433c37;
}
.chip .check {
  position: relative;
  width: var(--chip-ico);
  height: var(--chip-ico);
  border-radius: 50%;
  background: var(--brand);
  flex: 0 0 var(--chip-ico);
}
.chip .check::after {
  content: "";
  position: absolute;
  left: 30%;
  top: 7%;
  width: 35%;
  height: 55%;
  border: 2px solid #fff;
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
}

/* ====== benefit ====== */
.benefit-icons {
  margin-top: 26px;
}
.iconrow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.iconcard {
  background: #fff;
  border: 1px solid #edf0f2;
  border-radius: 14px;
  padding: 18px;
  text-align: center;
}
.iconcard img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  display: block;
  margin: 6px auto;
}
.iconcard h3 {
  margin: 0.4em 0 0.4em;
  font-size: 1.3rem;
}
.iconcard p {
  margin: 0;
  color: #566;
  font-size: 18px;
}

/* ====== Reasons ====== */
.reasons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  font-size: 18px;
}
.reasons .panel {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3vw, 28px);
}
.reason {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}
.reason:last-child {
  border-bottom: 0;
}
.reason .ico {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.img-haze {
  position: relative;
  border-radius: 14px;
  display: inline-block;
}
.img-haze::before {
  content: "";
  position: absolute;
  inset: 5px;
  background: rgba(255, 255, 255, 0.65);
  filter: blur(19px);
  border-radius: 22px;
  z-index: 0;
}
.img-haze img {
  position: relative;
  z-index: 1;
  display: block;
  border-radius: 14px;
  max-width: 550px;
  margin: 0 auto;
}
.ico {
  width: 100px;
  height: 100px;
  border: 2px solid #5c2b0b;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  margin: 0;
}
.ico img {
  width: 80%;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* ====== こんな方におすすめ ====== */
.recommend .h2 {
  font-size: 40px;
  line-height: 1.25;
  margin: 0 0 22px;
  text-align: center;
  position: relative;
}
.recommend .media {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}
.recommend .media > img {
  display: block;
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}
.recommend .media > div {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(92, 43, 11, 0.12);
  border-radius: 18px;
  padding: 28px 36px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(6px);
}
.pointlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.pointlist li {
  position: relative;
  padding-left: 38px;
  line-height: 1.8;
  font-size: 22px;
  color: #5c2b0b;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.pointlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  inline-size: 14px;
  block-size: 14px;
  border-right: 3px solid var(--brand);
  border-bottom: 3px solid var(--brand);
  transform: translateY(-50%) rotate(-45deg);
  opacity: 0.95;
}

/* ホバーアクション */
@media (hover: hover) {
  .pointlist li {
    transition: transform 0.25s ease, color 0.25s ease;
  }
  .pointlist li:hover {
    transform: translateX(4px);
    color: #3f1f08;
  }
}

/* ====== CTA セパレーター ====== */
.cta-sep {
  text-align: center;
  padding: 36px 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: #333;
  background: #fff;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

/* ====== Brand concept ====== */
.concept {
  background: #f5ebe1;
  margin: 0 auto;
}
.concept .wrap {
  padding: 48px 0;
  align-items: center;
}
.concept_wrap {
  display: flex;
  margin: 0 auto;
  align-items: center;
  justify-content: center;
}
.brandmark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 6px 0 10px;
}
.brandmark img {
  height: 200px;
}

.concept-body {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  gap: 24px;
}
.concept-box {
  background: #fff;
  border: 1px solid #f0e5d8;
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 1080px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
}
.concept-box h3 {
  color: #5a4334;
  font-weight: 700;
  font-size: 24px;
  margin-bottom: 16px;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--brand);
}
.concept-columns {
  column-count: 2;
  column-gap: 70px;
  column-fill: balance;
}
.concept-columns p {
  margin: 0 0 1em;
  line-height: 1.9;
}
.concept-columns b,
.concept-columns strong {
  color: #5a4334;
}
.concept-columns u {
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}
.one-line {
  white-space: nowrap;
}

/* ====== Product info ====== */
.spec {
  background: #fff;
}
.spec-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: center;
}
.spec img {
  width: 100%;
  max-width: 480px;
  display: block;
  margin: 0 auto;
  border-radius: 14px;
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}
.table th,
.table td {
  padding: 12px 10px;
  border-bottom: 1px solid #eee;
  vertical-align: top;
}
.table th {
  width: 24%;
  color: #555;
  font-weight: 700;
  text-align: left;
}

/* ====== Footer CTA ====== */
.footer-cta {
  text-align: center;
  padding: 40px 0 80px;
  font-size: clamp(20px, 2.6vw, 26px);
  color: #333;
}
.btn {
  display: inline-block;
  margin-top: 12px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 0.9em 1.2em;
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-weight: 900;
  font-size: 25px;
}
.btn:hover {
  opacity: 0.92;
}

/* ====== Footer ====== */
.site-footer {
  background: #f5ebe1;
  color: #2e2a27;
  padding: 25px 0;
}
.footer__inner {
  text-align: center;
}
.footer__links {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer__links a {
  color: #2e2a27;
  text-decoration: none;
}
.footer__links a:hover {
  text-decoration: underline;
}
.footer__sns {
  margin: 16px 0 16px;
}
.footer__sns .ig {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}
.footer__sns .ig img {
  width: 36px;
  height: 36px;
  display: block;
}
.footer__copy {
  color: #6b6b6b;
}

/* ====== Back to top ====== */
.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  color: var(--brand);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
  border: 0;
  cursor: pointer;
  z-index: 1000;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.to-top--show {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.to-top__chev {
  width: 12px;
  height: 12px;
  display: block;
  border-right: 3px solid currentColor;
  border-top: 3px solid currentColor;
  transform: rotate(-45deg);
}

/* ===== reveal on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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


/* ====== prefers-reduced-motion ====== */
@media (prefers-reduced-motion: reduce) {
  .pointlist li,
  .to-top {
    transition: none;
  }
}
@media (max-width: 1150px) {
  .reasons {
    grid-template-columns: 1fr;
  }
  .concept-columns {
    column-count: 1;
    column-gap: 0;
  }
}

/* ====== <=980px ====== */
@media (max-width: 980px) {
  .iconrow {
    grid-template-columns: repeat(2, 1fr);
  }

  .recommend .h2 {
    font-size: 28px;
    margin-bottom: 16px;
  }
  .recommend .media {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .recommend .media > div {
    padding: 20px;
    border-radius: 16px;
  }
  .pointlist {
    gap: 14px;
  }
  .pointlist li {
    font-size: 18px;
    padding-left: 32px;
  }
  .pointlist li::before {
    inline-size: 12px;
    block-size: 12px;
  }
  .concept-box {
    padding: 20px;
    border-radius: 14px;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }
}

/* ====== <=768px ====== */
@media (max-width: 768px) {
  .wrap {
    padding: clamp(12px, 3vw, 24px);
  }
  .hero_wrap {
    display: flex;
    flex-direction: column-reverse;
  }

  .hero {
    padding: clamp(12px, 2vw, 60px) 0;
  }

  .hero_wrap .content {
    width: 100%;
    margin-bottom: 24px;
  }
  .brandmark img {
    max-width: 325px;
    width: 100%;
    height: 100%;
  }
  .iconcard h3 {
    font-size: 1rem;
  }
  .iconcard p {
    font-size: 16px;
  }
  .iconrow {
    grid-template-columns: 1fr;
  }
  .reason .ico {
    width: 65px;
    height: 65px;
  }
  .reason h3 {
    font-size: 14px;
  }
  .reason p {
    font-size: 13px;
  }
  .ico {
    border: 1px solid #5c2b0b;
  }
  .recommend .h2 {
    font-size: 20px;
    margin-bottom: 16px;
  }
  .recommend li {
    font-size: 14px;
    margin-bottom: 8px;
    white-space: nowrap;
  }

  .pointlist li::before {
    inline-size: 10px;
    block-size: 10px;
    border-right: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
  }
  .btn {
    font-size: 16px;
    margin-bottom: 24px;
  }
  .concept-box h3 {
    font-size: 20px;
  }
  .concept-box p {
    font-size: 14px;
  }
  .concept-box br {
    display: none;
  }
  .iconcard img {
    width: 75px;
    height: 75px;
  }
  .one-line {
    white-space: normal;
  }
  .table th {
    width: 34%;
    padding: 12px 12px;
  }
  .table td {
    padding: 12px 12px;
    font-size: 14px;
  }

  .footer-cta {
    padding: 40px 0;
  }
}