@charset "UTF-8";

/* ==========================================================
   Design Tokens
========================================================== */
:root {
  --color-primary: #ff5c8d;
  --color-primary-dark: #e6355f;
  --color-primary-light: #ffc2d4;
  --color-primary-pale: #fff0f5;
  --color-text: #3a3a3a;
  --color-text-sub: #6b6b6b;
  --color-bg: #ffffff;
  --color-bg-gray: #f5f5f7;

  --font-ja: "Zen Kaku Gothic New", sans-serif;
  --font-en: "Poppins", sans-serif;

  /* 14px (palmtop) - 16px (laptop) */
  --fs-body: clamp(0.875rem, 0.833rem + 0.18vw, 1rem);

  --space-section: clamp(5rem, 4rem + 5vw, 9rem);
  --pad-inline: clamp(1.25rem, 0.5rem + 3.2vw, 3.5rem);
  --header-h: 72px;
  --radius: 16px;
}

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

html {
  /* Lenisとの競合防止のためネイティブsmoothは使わない */
  scroll-behavior: auto;
}

body {
  margin: 0;
  font-family: var(--font-ja);
  font-weight: 700;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

ul {
  padding: 0;
  list-style: none;
}

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

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

svg {
  display: block;
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.u-svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* JS有効時のみ初期非表示（GSAPで表示） */
.js .js-fade-up {
  opacity: 0;
  transform: translateY(32px);
}

@media (prefers-reduced-motion: reduce) {
  .js .js-fade-up {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================
   Header
========================================================== */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
}

/*
  背景のブラーは疑似要素側に持たせる。
  .header自体にbackdrop-filter/transform/filter等を付けると、
  position:fixedな子要素（ハンバーガーボタンやナビ）の基準がheaderの箱に
  なってしまい、画面右下ではなくheader内に閉じ込められてしまうため。
*/
.header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  /* palmtop: トグルはfixedで別配置のため、ロゴのみセンタリング */
  justify-content: center;
  height: var(--header-h);
  padding-inline: var(--pad-inline);
}

.header__logo img {
  width: clamp(160px, 30vw, 220px);
  height: auto;
}

/* --- toggle (palmtop): 右下固定のFABボタン --- */
.header__toggle {
  position: fixed;
  right: clamp(1.25rem, 5vw, 1.75rem);
  bottom: calc(clamp(1.25rem, 5vw, 1.75rem) + env(safe-area-inset-bottom, 0px));
  z-index: 110;
  display: grid;
  place-content: center;
  gap: 6px;
  width: 56px;
  height: 56px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 10px 28px rgba(255, 92, 141, 0.4);
  cursor: pointer;
  transition: background 0.3s, box-shadow 0.3s, transform 0.3s;
}

.header__toggle:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

.header__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: transform 0.3s, translate 0.3s;
}

.header__toggle[aria-expanded="true"] .header__toggle-line:nth-child(1) {
  translate: 0 5px;
  transform: rotate(45deg);
}

.header__toggle[aria-expanded="true"] .header__toggle-line:nth-child(2) {
  translate: 0 -5px;
  transform: rotate(-45deg);
}

/* --- nav --- */
.header__nav {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  background: var(--color-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
}

.header__nav.is-open {
  opacity: 1;
  visibility: visible;
}

.header__nav-list {
  display: grid;
  gap: 2rem;
  text-align: center;
}

.header__nav-link {
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  transition: color 0.25s;
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link--cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.7em 1.6em;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
}

.header__nav-link--cta:hover {
  color: #fff;
  background: var(--color-primary-dark);
}

.arrow-icon {
  font-family: var(--font-en);
  transition: translate 0.25s;
}

.header__nav-link--cta:hover .arrow-icon {
  translate: 4px 0;
}

@media (min-width: 768px) {
  .header__inner {
    justify-content: space-between;
  }

  .header__toggle {
    display: none;
  }

  .header__nav {
    position: static;
    display: block;
    background: transparent;
    opacity: 1;
    visibility: visible;
    transition: none;
  }

  .header__nav-list {
    display: flex;
    align-items: center;
    gap: clamp(1.2rem, 2.5vw, 2.4rem);
  }

  .header__nav-link {
    font-size: 0.9375rem;
  }

  .header__nav-link--cta {
    padding: 0.55em 1.4em;
  }
}

/* ==========================================================
   Hero
========================================================== */
.hero {
  padding-top: calc(var(--header-h) + clamp(2.5rem, 6vw, 5rem));
  overflow: clip;
}

.hero__copy {
  text-align: center;
  font-size: clamp(0.9375rem, 0.75rem + 1vw, 1.375rem);
  letter-spacing: 0.08em;
  padding-inline: var(--pad-inline);
}

.hero__title {
  margin-top: clamp(1rem, 3vw, 2rem);
  font-family: var(--font-en);
  font-weight: 700;
  text-align: center;
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.hero__title-line {
  display: block;
  font-size: clamp(4rem, 22vw, 12.5rem);
  white-space: nowrap;
  overflow: hidden;
}

.hero__title-line .char {
  display: inline-block;
}

.hero__visual {
  margin: clamp(1.5rem, 4vw, 3rem) auto 0;
  width: min(100% - var(--pad-inline) * 2, 1400px);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero__visual-svg {
  width: 100%;
  height: clamp(300px, 48vw, 560px);
}

@media (min-width: 768px) {
  .hero__title-line {
    display: inline-block;
  }

  .hero__title-line + .hero__title-line {
    margin-left: 0.25em;
  }

  .hero__title {
    font-size: 0;
  }

  .hero__title-line {
    font-size: clamp(4rem, 9.5vw, 9.5rem);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__petal {
    animation: petalFloat 7s ease-in-out infinite alternate;
  }

  .hero__petals use:nth-child(2n) {
    animation-duration: 9s;
    animation-delay: -3s;
  }

  .hero__petals use:nth-child(3n) {
    animation-duration: 11s;
    animation-delay: -5s;
  }
}

@keyframes petalFloat {
  from {
    translate: 0 0;
  }
  to {
    translate: 0 -26px;
  }
}

/* ==========================================================
   Section Head (共通見出し)
========================================================== */
.section-head {
  padding-inline: var(--pad-inline);
}

.section-head__en {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 1.5rem + 5vw, 5rem);
  line-height: 1.1;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.section-head__ja {
  margin-top: 0.4em;
  font-size: clamp(1.0625rem, 1rem + 0.5vw, 1.375rem);
  letter-spacing: 0.1em;
}

.section-head__en--light,
.section-head__ja--light {
  color: #fff;
}

/* ==========================================================
   Services
========================================================== */
.services {
  padding-block: var(--space-section);
}

.services__layout {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-inline: var(--pad-inline);
}

.services__item {
  padding-block: clamp(2rem, 5vw, 3rem);
}

.services__num {
  font-family: var(--font-en);
  font-size: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  line-height: 1;
  color: var(--color-primary);
}

.services__title {
  margin-top: 0.5em;
  font-size: clamp(1.25rem, 1.1rem + 1vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.services__text {
  margin-top: 1.2em;
  color: var(--color-text-sub);
  max-width: 34em;
}

/* palmtop: 各項目の下に画像 */
.services__item-img {
  margin-top: 1.8rem;
}

.services__item-img svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* stickyカラムはpalmtopでは非表示 */
.services__sticky {
  display: none;
}

@media (min-width: 768px) {
  .services__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 6rem);
    align-items: start;
  }

  .services__item {
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: 0;
  }

  .services__item-img {
    display: none;
  }

  .services__sticky {
    display: block;
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100dvh;
  }

  .services__sticky-inner {
    position: relative;
    display: grid;
    place-items: center;
    height: 100%;
  }

  .services__figure {
    grid-area: 1 / 1;
    width: min(100%, 520px);
    opacity: 0;
    visibility: hidden;
  }

  /* JS無効時のフォールバック: 1枚目を表示 */
  html:not(.js) .services__figure.is-active {
    opacity: 1;
    visibility: visible;
  }

  .services__figure svg {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    box-shadow: 0 24px 64px rgba(255, 92, 141, 0.18);
  }
}

/* ==========================================================
   Company
========================================================== */
.company {
  padding-block: var(--space-section);
  background: var(--color-bg-gray);
}

.company__body {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-inline: var(--pad-inline);
}

.company__list {
  max-width: 860px;
  margin-inline: auto;
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: clamp(0.5rem, 2vw, 1.5rem) clamp(1.25rem, 4vw, 3rem);
}

.company__row {
  display: grid;
  gap: 0.2em;
  padding-block: 1.1em;
  border-bottom: 1px solid #e8e8ec;
}

.company__row:last-child {
  border-bottom: none;
}

.company__row dt {
  color: var(--color-primary);
  font-size: 0.875em;
  letter-spacing: 0.08em;
}

.company__row dd a {
  text-decoration: underline;
  text-underline-offset: 0.25em;
  transition: color 0.25s;
}

.company__row dd a:hover {
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .company__row {
    grid-template-columns: 10em 1fr;
    gap: 2em;
    align-items: baseline;
  }
}

/* ==========================================================
   About
========================================================== */
.about {
  padding-block: var(--space-section);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}

.about__inner {
  padding-inline: var(--pad-inline);
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.about__lead {
  font-size: clamp(1.5rem, 1.2rem + 1.8vw, 2.5rem);
  font-weight: 900;
  line-height: 1.6;
  letter-spacing: 0.06em;
}

.about__text {
  margin-top: 1.5em;
  line-height: 2.1;
  max-width: 38em;
}

@media (min-width: 768px) {
  .about__inner {
    grid-template-columns: 1fr 1.4fr;
    align-items: start;
    max-width: 1200px;
    margin-inline: auto;
  }

  .about__head {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
}

/* ==========================================================
   CTA
========================================================== */
.cta {
  padding: var(--space-section) var(--pad-inline);
  display: grid;
  gap: 4px;
}

.cta__banner {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(3rem, 7vw, 5.5rem) clamp(4.5rem, 8vw, 7rem);
  border-radius: var(--radius) var(--radius) 4px 4px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
  transition: filter 0.3s;
}

.cta__banner:hover {
  filter: brightness(1.06);
}

.cta__en {
  font-family: var(--font-en);
  font-size: clamp(2.25rem, 1.5rem + 4vw, 4.5rem);
  line-height: 1.1;
}

.cta__ja {
  margin-top: 0.3em;
  font-size: clamp(1rem, 0.9rem + 0.6vw, 1.25rem);
  letter-spacing: 0.12em;
}

.cta__msg {
  margin-top: 1em;
  font-size: 0.9em;
  opacity: 0.92;
}

.cta__circle {
  position: absolute;
  top: 50%;
  right: clamp(1rem, 3vw, 2.5rem);
  translate: 0 -50%;
  display: grid;
  place-items: center;
  width: clamp(40px, 6vw, 56px);
  height: clamp(40px, 6vw, 56px);
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary);
  font-family: var(--font-en);
  font-size: 1.1em;
  transition: translate 0.3s, background 0.3s, color 0.3s;
}

.cta__banner:hover .cta__circle {
  translate: 6px -50%;
}

.cta__cards {
  display: grid;
  gap: 4px;
}

.cta__card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(120px, 18vw, 180px);
  padding: 1.5rem clamp(4rem, 8vw, 6rem);
  background: var(--color-bg-gray);
  border-radius: 4px;
  text-align: center;
  transition: background 0.3s;
}

.cta__card:hover {
  background: var(--color-primary-pale);
}

.cta__card-label {
  display: grid;
  gap: 0.3em;
  font-size: 1.0625em;
  letter-spacing: 0.06em;
}

.cta__card-sub {
  font-family: var(--font-en);
  font-size: 0.8125em;
  color: var(--color-text-sub);
  letter-spacing: 0.02em;
}

.cta__circle--outline {
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}

.cta__card:hover .cta__circle--outline {
  background: var(--color-primary);
  color: #fff;
}

@media (min-width: 768px) {
  .cta__cards {
    grid-template-columns: 1fr 1fr;
  }

  .cta__banner {
    border-radius: var(--radius) var(--radius) 4px 4px;
  }

  .cta__cards .cta__card:first-child {
    border-radius: 4px 4px 4px var(--radius);
  }

  .cta__cards .cta__card:last-child {
    border-radius: 4px 4px var(--radius) 4px;
  }
}

/* ==========================================================
   Footer
========================================================== */
.footer {
  padding: clamp(3rem, 6vw, 5rem) var(--pad-inline) 2rem;
  border-top: 1px solid #ececf0;
}

.footer__inner {
  display: grid;
  gap: 2rem;
  justify-items: center;
  text-align: center;
}

.footer__logo img {
  width: clamp(160px, 24vw, 200px);
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2rem;
}

.footer__nav-list a {
  font-size: 0.9375em;
  transition: color 0.25s;
}

.footer__nav-list a:hover {
  color: var(--color-primary);
}

.footer__copy {
  color: var(--color-text-sub);
  font-size: 0.8125em;
  font-family: var(--font-en);
}