/* --- flexibility-headerのトンマナをprojects__headerに統合適用 --- */

:root {
  /* Colors */
  --color-primary-orange: #ff9635;
  --color-primary-red: #ea5e53;
  --color-text-primary: #222222;
  --color-text-secondary: #101828;
  --color-white: #ffffff;
  --color-badge-orange-bg: rgba(255, 150, 53, 0.1);
  --color-badge-red-bg: rgba(234, 94, 83, 0.1);
  --color-card-bg: #ffffff;
  --color-background-light: #fafafa;

  /* Spacing Scale */
  --spacing-xs: 0.5rem; /* 8px */
  --spacing-sm: 0.75rem; /* 12px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-2xl: 3rem; /* 48px */
  --spacing-3xl: 4rem; /* 64px */
  --spacing-4xl: 5rem; /* 80px */
  --spacing-5xl: 6rem; /* 96px */
  --spacing-6xl: 8rem; /* 128px */

  /* Border Radius */
  --radius-sm: 0.5rem; /* 8px */
  --radius-md: 0.875rem; /* 14px */
  --radius-lg: 1rem; /* 16px */
  --radius-full: 62.5rem; /* 1000px - effectively circular */

  /* Shadows */
  --shadow-card: 0 0.625rem 0.9375rem -0.1875rem rgba(0, 0, 0, 0.1), 0 0.25rem 0.375rem -0.25rem rgba(0, 0, 0, 0.1);
}

/* Section */
.projects {
  width: 100%;
  padding: var(--spacing-6xl) var(--spacing-md);
  background-color: var(--color-background-light);
}
.projects__header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  text-align: left;
  margin-bottom: 5rem;
}
.projects__title {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 700;
  font-size: 3rem;
  color: #222222;
  line-height: 1;
}
.projects__subtitle {
  font-size: 2.875rem;
  color: #101828;
  line-height: 1.1;
}
.projects__description {
  font-size: 1.25rem;
  color: #222222;
  line-height: 1.6;
  max-width: 50rem;
}

@media (max-width: 768px) {
  .projects__header {
    gap: 1rem;
    margin-bottom: 2.5rem;
  }
  .projects__title {
    font-size: 2rem;
  }
  .projects__subtitle {
    font-size: 1.25rem;
  }
  .projects__description {
    font-size: 1rem;
  }
}

@media (max-width: 600px) {
  .projects__title {
    font-size: 2.5rem;
  }
  .projects__subtitle {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .projects__title {
    font-size: 2.25rem;
  }
  .projects__subtitle {
    font-size: 1.5rem;
  }
}
/* Header */
.projects__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
  text-align: center;
}

.projects__title {
  font-size: 3rem;
  line-height: 1;
  color: var(--color-text-primary);
}

.projects__subtitle {
  font-size: 2rem;
  line-height: 1.1;
  color: var(--color-text-secondary);
}

.projects__description {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  max-width: 50rem;
}

/* Grid */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  width: 100%;
  max-width: 75rem;
  margin: 0 auto;
  padding-bottom: var(--spacing-md);
  overflow-y: hidden;
}

/* Card */
.projects__card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--color-card-bg);
  border: 0.078125rem solid var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.projects__card-gradient {
  width: 100%;
  height: 0.25rem;
  background: linear-gradient(to right, var(--color-primary-orange), var(--color-primary-red));
}

.projects__card-badge-wrapper {
  position: absolute;
  top: -1.075rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.projects__card-badge-outer {
  transform: rotate(12deg);
}

.projects__card-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.15rem;
  height: 4.15rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  font-size: 0.875rem;
  line-height: 1.25;
  color: var(--color-white);
}

.projects__card-badge--orange {
  background: linear-gradient(135deg, var(--color-primary-orange), var(--color-primary-red));
}

.projects__card-badge--red {
  background: linear-gradient(135deg, var(--color-primary-red), var(--color-primary-orange));
}

.projects__card-glow {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  opacity: 0.05;
  filter: blur(2rem);
  pointer-events: none;
}

.projects__card-glow--orange {
  background-color: var(--color-primary-orange);
}

.projects__card-glow--red {
  background-color: var(--color-primary-red);
}

.projects__card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 1rem;
  padding: var(--spacing-lg);
}

.projects__card-title {
  font-size: 1.25rem;
  line-height: 1.5625;
  color: var(--color-text-secondary);
}

.projects__card-company {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.projects__card-company-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-orange);
  flex-shrink: 0;
}

.projects__card-company-text {
  font-size: 0.875rem;
  line-height: 1.25;
  color: var(--color-text-primary);
}

.projects__card-price {
  font-size: 1.5rem;
  line-height: 2;
  color: var(--color-primary-red);
}

.projects__card-badges {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.projects__card-badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.125rem 0.75rem;
  border-radius: var(--radius-sm);
  border-width: 0.078125rem;
  border-style: solid;
  font-size: 0.75rem;
  line-height: 1.33;
}

.projects__card-badge-item--orange {
  background-color: var(--color-badge-orange-bg);
  border-color: var(--color-primary-orange);
  color: var(--color-primary-orange);
}

.projects__card-badge-item--red {
  background-color: var(--color-badge-red-bg);
  border-color: var(--color-primary-red);
  color: var(--color-primary-red);
}

.projects__card-badge-icon {
  width: 0.75rem;
  height: 0.75rem;
  flex-shrink: 0;
}

.projects__card-tech {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.projects__card-tech-item {
  padding: 0.25rem 0.75rem;
  background-color: var(--color-white);
  border-radius: 0.625rem;
  font-size: 0.75rem;
  line-height: 1.33;
  color: var(--color-text-primary);
}

.projects__card-tech-item--hidden {
  display: none;
}

.projects__card-tech--expanded .projects__card-tech-item--hidden {
  display: inline-flex;
}

.projects__card-tech-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 0.625rem;
  border: 0.078125rem solid rgba(255, 150, 53, 0.35);
  background: linear-gradient(135deg, rgba(255, 150, 53, 0.18), rgba(234, 94, 83, 0.18));
  color: var(--color-primary-red);
  font-size: 0.75rem;
  line-height: 1.33;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
}

.projects__card-tech-toggle:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 0.5rem 0.75rem -0.5rem rgba(234, 94, 83, 0.35);
}

.projects__card-tech-toggle:focus-visible {
  outline: 0.125rem solid rgba(234, 94, 83, 0.6);
  outline-offset: 0.125rem;
}

.projects__card-tech-toggle-count {
  font-weight: 700;
}
}

.projects__card-divider {
  width: 100%;
  height: 0.078125rem;
  background-color: var(--color-white);
}

.projects__card-description {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  padding-top: 0.625rem;
}

.projects__card-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: auto;
  padding: 0.5rem 1rem;
  background: linear-gradient(to right, var(--color-primary-orange), var(--color-primary-red));
  border-radius: var(--radius-sm);
  border: none;
  color: var(--color-white);
  font-size: 0.875rem;
  line-height: 1.43;
  cursor: pointer;
  transition: opacity 0.2s;
}

.projects__card-button:hover {
  opacity: 0.9;
}

.projects__card-button-icon {
  width: 1rem;
  height: 1rem;
}

.projects__cta-bar {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translate(-50%, 120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 150;
  width: min(52rem, calc(100% - 2rem));
}

.projects__cta-bar.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

.projects__cta-bar-content {
  position: relative;
  background: #fff4ea;
  border: 1px solid rgba(234, 94, 83, 0.35);
  border-left: 0.4rem solid rgba(234, 94, 83, 0.75);
  border-radius: 1.25rem;
  box-shadow: 0 1.25rem 2.5rem -1.5rem rgba(16, 24, 40, 0.35);
  padding: 1rem 3.25rem 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.projects__cta-bar-text {
  margin: 0;
  color: #2a1c19;
  font-size: 0.95rem;
  line-height: 1.5;
}

.projects__cta-bar-close {
  position: absolute;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: none;
  background: rgba(16, 24, 40, 0.08);
  color: #3a1b14;
  font-size: 1.1rem;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
}

.projects__cta-bar-close:hover {
  transform: translateY(-50%) scale(1.05);
  opacity: 0.8;
}

.projects__cta-bar-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.projects__cta-bar-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  border: none;
  font-size: 0.9rem;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  white-space: nowrap;
}

.projects__cta-bar-button--entry {
  background: linear-gradient(135deg, var(--color-primary-orange), var(--color-primary-red));
  color: #ffffff;
  box-shadow: 0 0.75rem 1.5rem -0.9rem rgba(234, 94, 83, 0.6);
}

.projects__cta-bar-button--line {
  background: rgba(255, 150, 53, 0.12);
  border: 1px solid rgba(234, 94, 83, 0.25);
  color: var(--color-primary-red);
}

.projects__cta-bar-button:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .projects__cta-bar-close {
    display: none;
  }

  .projects__cta-bar {
    inset: 0;
    width: 100%;
    height: 100%;
    bottom: auto;
    left: 0;
    transform: translateY(2%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
  }

  .projects__cta-bar.is-visible {
    transform: translateY(0);
  }

  .projects__cta-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(16, 24, 40, 0.45);
    backdrop-filter: blur(2px);
  }

  .projects__cta-bar-content {
    position: relative;
    width: min(28rem, 100%);
    flex-direction: column;
    align-items: stretch;
  }

  .projects__cta-bar-actions {
    width: 100%;
    flex-direction: column;
  }

  .projects__cta-bar-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .projects__cta-bar {
    bottom: 4.75rem;
    /* width: calc(100% - 1.5rem); */
  }
}

/* Responsive Breakpoints */

/* Desktop (max-width: 1200px) */
@media (max-width: 1200px) {
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects {
    padding: var(--spacing-4xl) var(--spacing-md);
  }
}

/* Middle - Large phones to small tablets (max-width: 768px) */
@media (max-width: 768px) {
  .projects__grid {
    display: flex;
    grid-template-columns: unset;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary-orange) transparent;
    align-items: stretch;
  }

  .projects__grid::-webkit-scrollbar {
    height: 0.5rem;
  }

  .projects__grid::-webkit-scrollbar-track {
    background: transparent;
  }

  .projects__grid::-webkit-scrollbar-thumb {
    background: var(--color-primary-orange);
    border-radius: var(--radius-full);
  }

  .projects__card {
    flex: 0 0 85%;
    scroll-snap-align: center;
    min-height: 32rem;
  }
}

/* Medium (max-width: 600px) */
@media (max-width: 600px) {
  .projects__title {
    font-size: 2.25rem;
  }

  .projects__card {
    flex: 0 0 90%;
  }
}

/* Small (max-width: 480px) */
@media (max-width: 480px) {
  .projects__title {
    font-size: 2rem;
  }

  .projects__subtitle {
    font-size: 1.5rem;
  }

  .projects__description {
    font-size: 1rem;
  }
}