@charset "UTF-8";

/* ==========================================================================
   Foundation
   ========================================================================== */
:root {
  --color-bg-top: #F5F8FD;
  --color-bg-bottom: #E9F0FA;
  --color-surface: #FFFFFF;
  --color-border: #D8E2F0;
  --color-text: #1A2333;
  --color-text-sub: #5A6B85;
  --color-link: #2563EB;
  --color-row-odd: #EAF3FE;
  --color-row-even: #F4F9FF;
  --grad-accent: linear-gradient(135deg, #0E9CD8 0%, #2F6BEA 100%);
  --grad-accent-soft: linear-gradient(135deg, #2BC8E8 0%, #3B82F6 100%);
  --shadow-card: 0 2px 12px rgba(30, 80, 160, 0.08);
  --shadow-card-hover: 0 6px 20px rgba(30, 80, 160, 0.14);
  --font-en: "Inter", sans-serif;
  --font-ja: "Noto Sans JP", sans-serif;
  --width-content: 1080px;
  --width-narrow: 760px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: linear-gradient(180deg, var(--color-bg-top) 0%, var(--color-bg-bottom) 100%);
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: var(--color-link);
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 3px;
  border-radius: 2px;
}

table {
  border-collapse: separate;
  border-spacing: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.l-inner {
  width: 90%;
  max-width: var(--width-content);
  margin: 0 auto;
}

.l-inner--narrow {
  max-width: var(--width-narrow);
}

.l-section {
  padding: 64px 0;
}

.l-section--tint {
  background: rgba(255, 255, 255, 0.55);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* Header
   ------------------------------------------------------ */
.l-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(250, 252, 255, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.l-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
  width: 90%;
  max-width: var(--width-content);
  margin: 0 auto;
}

.l-header__nav {
  min-width: 0;
}

/* Footer
   ------------------------------------------------------ */
.l-footer {
  padding: 32px 0 96px;
  border-top: 1px solid var(--color-border);
}

.l-footer__copy {
  text-align: center;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-text-sub);
}

/* ==========================================================================
   Component
   ========================================================================== */

/* Logo
   ------------------------------------------------------ */
.c-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text);
}

.c-logo__mark {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: var(--grad-accent-soft);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.c-logo__text {
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* Nav
   ------------------------------------------------------ */
.p-nav {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.p-nav::-webkit-scrollbar {
  display: none;
}

.p-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.p-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-accent-soft);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.p-nav__link:hover::after,
.p-nav__link:focus-visible::after {
  transform: scaleX(1);
}

/* Section title (EN + JP)
   ------------------------------------------------------ */
.c-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 40px;
  text-align: center;
}

.c-title__en {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.c-title__ja {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-sub);
  letter-spacing: 0.08em;
}

.c-title__ja::before {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  border-radius: 3px;
  margin: 4px auto 10px;
  background: var(--grad-accent-soft);
}

/* Button
   ------------------------------------------------------ */
.c-button {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.c-button--primary {
  background: var(--grad-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(47, 107, 234, 0.3);
}

.c-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(47, 107, 234, 0.38);
}

.c-button--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.c-button--ghost:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

/* Tag
   ------------------------------------------------------ */
.c-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--color-row-odd);
  color: var(--color-link);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Chip（Hero実績チップ）
   ------------------------------------------------------ */
.c-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-sub);
}

.c-chip__strong {
  font-weight: 700;
  color: var(--color-link);
}

/* Badge（おすすめ）
   ------------------------------------------------------ */
.c-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 9px;
  border-radius: 999px;
  background: var(--grad-accent);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  vertical-align: middle;
  white-space: nowrap;
}

/* ==========================================================================
   Project
   ========================================================================== */

/* Hero
   ------------------------------------------------------ */
.p-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
}

.p-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 200, 232, 0.22) 0%, rgba(59, 130, 246, 0.1) 45%, rgba(59, 130, 246, 0) 70%);
  pointer-events: none;
}

.p-hero__inner {
  position: relative;
}

.p-hero__eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
}

.p-hero__title {
  margin-top: 12px;
  font-size: clamp(34px, 7.4vw, 58px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.42;
}

.p-hero__lead {
  max-width: 580px;
  margin-top: 20px;
  color: var(--color-text-sub);
}

.p-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.p-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* About
   ------------------------------------------------------ */
.p-about {
  max-width: 760px;
  margin: 0 auto;
}

.p-about__text + .p-about__text {
  margin-top: 18px;
}

.p-reasons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 44px;
}

.p-reasons__item {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.p-reasons__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-accent-soft);
}

.p-reasons__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  border-radius: 11px;
  background: var(--color-row-odd);
  color: var(--color-link);
}

.p-reasons__icon svg {
  width: 22px;
  height: 22px;
}

.p-reasons__title {
  font-size: 17px;
  font-weight: 700;
}

.p-reasons__text {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--color-text-sub);
}

/* Compare（比較表）
   ------------------------------------------------------ */
.p-compare__table {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  table-layout: fixed;
}

.p-compare__corner {
  width: 16%;
  background: var(--color-surface);
}

.p-compare__col {
  padding: 14px 10px;
  background: var(--color-row-even);
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
  color: var(--color-text-sub);
  border-bottom: 1px solid var(--color-border);
}

.p-compare__col--accent {
  background: var(--grad-accent);
  color: #FFFFFF;
  font-family: var(--font-en);
  font-size: 15px;
  letter-spacing: 0.04em;
}

.p-compare__label {
  padding: 14px 12px;
  background: var(--color-row-odd);
  font-size: 13.5px;
  font-weight: 700;
  text-align: left;
  border-top: 1px solid var(--color-border);
}

.p-compare__cell {
  padding: 14px 10px;
  font-size: 13.5px;
  text-align: center;
  color: var(--color-text-sub);
  border-top: 1px solid var(--color-border);
  vertical-align: middle;
}

.p-compare__cell--accent {
  background: rgba(43, 200, 232, 0.1);
  color: var(--color-text);
  border-left: 2px solid #2BC8E8;
  border-right: 2px solid #3B82F6;
}

.p-compare__cell--accent strong {
  color: var(--color-link);
}

.p-compare__note {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--color-text-sub);
}

/* Plans
   ------------------------------------------------------ */
.p-plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}

.p-plans__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}

.p-plans__card--featured {
  border: 2px solid transparent;
  background:
    linear-gradient(var(--color-surface), var(--color-surface)) padding-box,
    var(--grad-accent) border-box;
  box-shadow: var(--shadow-card-hover);
}

.p-plans__ribbon {
  position: absolute;
  top: -13px;
  left: 18px;
  padding: 2px 14px;
  border-radius: 999px;
  background: var(--grad-accent);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.p-plans__title {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.p-plans__item {
  padding: 14px 0;
}

.p-plans__item + .p-plans__item {
  border-top: 1px solid var(--color-border);
}

.p-plans__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.p-plans__name {
  font-weight: 700;
  font-size: 15px;
}

.p-plans__price {
  margin-left: auto;
  text-align: right;
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
}

.p-plans__price--multi {
  font-size: 14px;
  line-height: 1.6;
}

.p-plans__desc {
  margin-top: 3px;
  color: var(--color-text-sub);
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 1023px) {
  .p-plans__grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

.p-plans__notes {
  margin-top: 18px;
  font-size: 13px;
  color: var(--color-text-sub);
}

.p-plans__notes li {
  padding-left: 1em;
  text-indent: -1em;
}

.p-plans__notes li::before {
  content: "・";
}

.p-plans__cta {
  margin-top: 30px;
  text-align: center;
}

/* Quality band（品質帯）
   ------------------------------------------------------ */
.p-quality {
  padding: 44px 0;
  background: var(--grad-accent);
  color: #FFFFFF;
}

.p-quality__lead {
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.p-quality__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
  margin-top: 20px;
}

.p-quality__item {
  position: relative;
  padding: 6px 16px 6px 36px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.4);
  font-size: 13.5px;
  font-weight: 500;
}

.p-quality__item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  width: 10px;
  height: 6px;
  border-left: 2px solid #FFFFFF;
  border-bottom: 2px solid #FFFFFF;
  transform: translateY(-65%) rotate(-45deg);
}

/* Flow
   ------------------------------------------------------ */
.p-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.p-flow__step {
  position: relative;
  padding: 24px 22px 22px 64px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}

.p-flow__num {
  position: absolute;
  top: 24px;
  left: 20px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--grad-accent);
  color: #FFFFFF;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
}

.p-flow__icon {
  display: none;
  color: var(--color-link);
}

.p-flow__icon svg {
  width: 26px;
  height: 26px;
}

.p-flow__title {
  font-size: 16px;
  font-weight: 700;
}

.p-flow__text {
  margin-top: 6px;
  font-size: 14px;
  color: var(--color-text-sub);
}

/* Works
   ------------------------------------------------------ */
.p-works {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.p-works__item {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.p-works__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: #B9D2F2;
}

.p-works__thumb {
  background: linear-gradient(135deg, rgba(43, 200, 232, 0.14) 0%, rgba(59, 130, 246, 0.18) 100%);
  border-bottom: 1px solid var(--color-border);
}

.p-works__thumb-bar {
  display: flex;
  gap: 5px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.75);
  border-bottom: 1px solid var(--color-border);
}

.p-works__thumb-bar i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
}

.p-works__thumb-body {
  display: grid;
  place-items: center;
  height: 110px;
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-link);
  opacity: 0.85;
}

.p-works__content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 22px 24px 22px;
}

.p-works__title {
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.p-works__text {
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--color-text-sub);
  flex-grow: 1;
}

.p-works__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.p-works__link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.p-works__link::after {
  content: " \2197";
}

.p-works__link:hover {
  text-decoration: underline;
}

/* FAQ
   ------------------------------------------------------ */
.p-faq__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: var(--shadow-card);
}

.p-faq__item + .p-faq__item {
  margin-top: 12px;
}

.p-faq__q {
  position: relative;
  padding: 18px 52px 18px 22px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.p-faq__q::-webkit-details-marker {
  display: none;
}

.p-faq__q::before {
  content: "Q.";
  margin-right: 8px;
  font-family: var(--font-en);
  font-weight: 700;
  color: var(--color-link);
}

.p-faq__q::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--color-link);
  border-bottom: 2px solid var(--color-link);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.25s ease;
}

.p-faq__item[open] .p-faq__q::after {
  transform: translateY(-30%) rotate(225deg);
}

.p-faq__a {
  padding: 0 22px 20px;
  font-size: 14.5px;
  color: var(--color-text-sub);
}

/* Contact
   ------------------------------------------------------ */
.p-contact {
  text-align: center;
}

.p-contact__text {
  color: var(--color-text-sub);
}

.p-contact__cta {
  margin-top: 28px;
}

.p-contact__note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--color-text-sub);
}

/* Sticky CTA（SPのみ）
   ------------------------------------------------------ */
.p-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(250, 252, 255, 0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-border);
}

.p-sticky-cta__button {
  display: block;
  padding: 13px 16px;
  border-radius: 8px;
  background: var(--grad-accent);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  box-shadow: 0 4px 14px rgba(47, 107, 234, 0.3);
}

/* ==========================================================================
   Utility / Animation
   ========================================================================== */
.u-grad-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.js-fade {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--d, 0s);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   Media Query (min-width: 768px)
   ========================================================================== */
@media (min-width: 768px) {
  .l-section {
    padding: 120px 0;
  }

  .l-footer {
    padding: 32px 0;
  }

  .p-hero {
    padding: 130px 0 110px;
  }

  .p-reasons {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .p-compare__col,
  .p-compare__label,
  .p-compare__cell {
    font-size: 14.5px;
    padding: 16px 14px;
  }

  .p-quality {
    padding: 52px 0;
  }

  .p-quality__lead {
    font-size: 20px;
  }

  .p-quality__list {
    gap: 12px 18px;
  }

  .p-flow {
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
  }

  .p-flow__step {
    padding: 24px 18px 22px;
    text-align: center;
  }

  .p-flow__num {
    position: static;
    margin: 0 auto;
  }

  .p-flow__icon {
    display: block;
    margin-top: 16px;
  }

  .p-flow__title {
    margin-top: 12px;
  }

  .p-works {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .p-sticky-cta {
    display: none;
  }
}

/* SP: 比較表・料金表の最適化
   ------------------------------------------------------ */
@media (max-width: 767px) {
  /* 料金カードのSP調整 */
  .p-plans__card {
    padding: 22px 18px 10px;
  }

  .p-plans__price {
    font-size: 18px;
    color: var(--color-link);
  }

  .p-plans__price--multi {
    font-size: 14.5px;
  }

  /* 比較表はSPで圧縮表示 */
  .p-compare__corner {
    width: 21%;
  }

  .p-compare__col {
    font-size: 11px;
    padding: 10px 4px;
  }

  .p-compare__col--accent {
    font-size: 12px;
  }

  .p-compare__label {
    font-size: 11.5px;
    padding: 10px 6px;
  }

  .p-compare__cell {
    font-size: 11.5px;
    padding: 10px 4px;
    line-height: 1.5;
  }
}