:root {
  --bg: #f5f5f0;
  --surface: #fcfcf8;
  --surface-soft: #eef0ea;
  --panel: #eef1eb;
  --line: #d6dbd3;
  --line-strong: #b8c0b7;
  --text: #1f2526;
  --heading: #171d1e;
  --label: #616c6b;
  --nav: #536564;
  --primary: #1f7a78;
  --primary-dark: #165d5b;
  --primary-light: #edf5f4;
  --secondary: #4b6475;
  --secondary-dark: #354856;
  --secondary-light: #edf1f4;
  --tertiary: #79665a;
  --tertiary-dark: #5b4b42;
  --tertiary-light: #f5f0ec;
  --dark: #202628;
  --dark-soft: #2e3638;
  --light: #fbfbf8;
  --light-soft: #f1f2ee;
  --info: #2f6f8f;
  --success: #2f6a4f;
  --warning: #9b6a22;
  --danger: #a04343;
  --shadow: 0 10px 30px rgba(22, 40, 39, 0.06);
  --radius-lg: 4px;
  --radius-md: 2px;
  --radius-sm: 6px;
  --content-max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

button {
  font: inherit;
}

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

.site-shell {
  width: min(calc(100% - 32px), var(--content-max));
  margin: 0 auto;
  padding: 92px 0 36px;
}

.topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 32px), var(--content-max));
  padding: 16px 0 14px;
  margin-bottom: 18px;
  background: rgba(247, 250, 249, 0.92);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-text strong,
.topnav a,
h1,
h2,
h3,
.work-link,
.filter-button,
.tag {
  font-family: "Poppins", "Noto Sans JP", sans-serif;
}

.brand-text strong {
  font-size: 0.92rem;
}

.brand-text small {
  color: var(--nav);
  font-size: 0.77rem;
}

.topnav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topnav a {
  padding: 8px 13px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--nav);
  font-size: 0.83rem;
}

.topnav a:hover,
.filter-button:hover,
.work-link:hover {
  border-color: var(--line-strong);
}

.page-grid,
.intro-grid,
.summary-grid,
.detail-layout,
.detail-main,
.detail-notes {
  display: grid;
  gap: 16px;
}

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

.panel,
.detail-hero,
.detail-sidebar-card,
.detail-note-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel,
.detail-hero {
  padding: 22px 22px 20px;
}

.section-head {
  margin-bottom: 15px;
}

.section-head-inline {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.section-note,
.eyebrow,
.work-tag,
.detail-eyebrow {
  color: var(--primary-dark);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  color: var(--heading);
}

h1 {
  font-size: 1.46rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.08rem;
  letter-spacing: 0.01em;
}

h3 {
  font-size: 0.97rem;
}

p,
li,
dd,
dt {
  line-height: 1.68;
}

p,
li,
dd {
  color: var(--text);
  font-size: 0.91rem;
}

.intro-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.intro-summary {
  margin: 0;
}

.intro-block {
  display: grid;
  gap: 10px;
}

.intro-grid > .summary-card {
  display: grid;
  align-content: start;
}

.intro-summary-block {
  align-content: start;
}

.profile-photo {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.intro-profile-card {
  display: grid;
  gap: 16px;
}

.intro-profile-card h3,
.intro-summary-block h3 {
  font-size: 0.98rem;
  line-height: 1.4;
}

.intro-soft-panel {
  border: none !important;
  background: var(--panel) !important;
  box-shadow: none !important;
  outline: none;
}

.intro-profile-body {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}

.intro-profile-info {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.profile-photo-small {
  width: 116px;
}

.intro-photo-wrap {
  display: flex;
  justify-content: flex-start;
}

.intro-contact-block {
  position: relative;
  margin-top: 18px;
}

.contact-toggle {
  min-width: 88px;
}

.contact-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  display: grid;
  gap: 6px;
  min-width: 236px;
  max-width: min(280px, calc(100vw - 64px));
  padding: 10px;
  border: 0;
  border-radius: 6px;
  background: #fbfdfc;
  box-shadow: var(--shadow);
  z-index: 30;
}

.contact-popover[hidden] {
  display: none !important;
}

.contact-copy {
  display: grid;
  gap: 2px;
  padding: 6px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.contact-copy-label {
  font-size: 0.73rem;
  line-height: 1.35;
  color: var(--label);
}

.contact-copy-value {
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--text);
  word-break: break-all;
}

.contact-copy.copied {
  color: var(--primary-dark);
}

.profile-list,
.detail-overview,
.mini-stats {
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
}

.intro-profile-card .profile-list,
.intro-summary-block {
  margin-top: 0;
}

.profile-list div,
.detail-overview div,
.mini-stats div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 8px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
}

.intro-profile-card .profile-list div {
  padding-top: 0;
  border-top: 0;
}

.intro-profile-card .profile-list {
  gap: 10px;
}

.profile-list dt,
.detail-overview dt,
.mini-stats dt {
  color: var(--label);
  font-size: 0.91rem;
  font-weight: 400;
}

.profile-list dd,
.detail-overview dd,
.mini-stats dd {
  margin: 0;
  color: var(--text);
  font-weight: 500;
  font-size: 0.91rem;
}

.image-placeholder {
  display: grid;
  place-items: center;
  min-height: 220px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--primary-dark);
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.summary-grid.compact {
  grid-template-columns: repeat(3, 1fr);
}

.summary-card,
.work-card-item {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}

.summary-card,
.work-card-item {
  padding: 16px;
}

.summary-card:nth-child(2) h3 {
  font-size: 0.94rem;
}

.summary-card:nth-child(3) h3 {
  font-size: 1rem;
}

.works {
  overflow: hidden;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.filter-button {
  padding: 8px 13px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--nav);
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-size: 0.82rem;
  cursor: pointer;
}

.filter-button.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.work-card-item {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 220px;
}

.work-card-item:nth-child(3n) h3 {
  font-size: 0.95rem;
}

.work-card-item:nth-child(4n) h3 {
  font-size: 1.01rem;
}

.work-thumb {
  min-height: 160px;
}

.work-card-header {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px 5px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--primary-dark);
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-size: 0.72rem;
  line-height: 1;
}

.work-card-item h3 {
  font-size: 0.98rem;
  line-height: 1.45;
}

.work-card-item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.62;
}

.detail-list,
.detail-panel-static ul {
  margin: 12px 0 0;
  padding-left: 1.1rem;
}

.work-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 6px;
  padding: 9px 14px 10px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-size: 0.83rem;
}

.back-link {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--nav);
}

.button-system-grid {
  display: grid;
  gap: 16px;
}

.button-system-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: start;
}

.button-system-row h3 {
  padding-top: 8px;
  font-size: 0.9rem;
}

.button-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px 9px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-size: 0.83rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
}

.btn-primary-dark {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-primary-light {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: var(--primary-dark);
}

.btn-secondary-dark {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

.btn-secondary-light {
  background: var(--secondary-light);
  border-color: var(--secondary-light);
  color: var(--secondary-dark);
}

.btn-tertiary-dark {
  background: var(--tertiary);
  border-color: var(--tertiary);
  color: #fff;
}

.btn-tertiary-light {
  background: var(--tertiary-light);
  border-color: var(--tertiary-light);
  color: var(--tertiary-dark);
}

.btn-outline-primary-dark {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: transparent;
}

.btn-outline-primary-light {
  border-color: #c6dddb;
  color: var(--primary-dark);
  background: #f7fbfb;
}

.btn-outline-secondary-dark {
  border-color: var(--secondary);
  color: var(--secondary-dark);
  background: transparent;
}

.btn-outline-secondary-light {
  border-color: #ccd7df;
  color: var(--secondary-dark);
  background: #f8fafb;
}

.btn-outline-tertiary-dark {
  border-color: var(--tertiary);
  color: var(--tertiary-dark);
  background: transparent;
}

.btn-outline-tertiary-light {
  border-color: #ddd1c7;
  color: var(--tertiary-dark);
  background: #fbf8f5;
}

.btn-dark {
  background: var(--dark);
  border-color: var(--dark);
  color: #fff;
}

.btn-dark-soft {
  background: var(--dark-soft);
  border-color: var(--dark-soft);
  color: #fff;
}

.btn-light {
  background: var(--light);
  border-color: var(--line);
  color: var(--text);
}

.btn-light-soft {
  background: var(--light-soft);
  border-color: var(--light-soft);
  color: var(--text);
}

.btn-outline-dark {
  border-color: var(--dark);
  color: var(--dark);
  background: transparent;
}

.btn-outline-dark-soft {
  border-color: #5c6668;
  color: var(--dark-soft);
  background: #f7f7f5;
}

.btn-outline-light {
  border-color: var(--line);
  color: var(--text);
  background: #fff;
}

.btn-outline-light-soft {
  border-color: #e1e4de;
  color: var(--text);
  background: #f7f7f3;
}

.detail-layout {
  grid-template-columns: 320px 1fr;
}

.detail-hero {
  grid-column: 1 / -1;
}

.detail-title {
  font-size: 1.42rem;
  line-height: 1.42;
  margin-top: 2px;
}

.detail-summary {
  max-width: 760px;
  margin: 10px 0 0;
  font-size: 0.9rem;
}

.detail-sidebar {
  display: grid;
  gap: 16px;
  align-self: start;
}

.detail-sidebar-card,
.detail-note-card,
.detail-panel-static {
  padding: 16px;
}

.detail-visual {
  margin-top: 16px;
}

.detail-panel-static {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.detail-notes {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 980px) {
  .intro-grid,
  .summary-grid.compact,
  .works-grid,
  .detail-layout,
  .detail-notes {
    grid-template-columns: 1fr;
  }

  .intro-profile-body {
    grid-template-columns: 1fr;
  }

  .intro-photo-wrap {
    justify-content: flex-start;
  }

  .section-head-row,
  .section-head-inline,
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--content-max));
    padding-top: 96px;
  }

  .panel,
  .detail-hero,
  .detail-sidebar-card,
  .detail-note-card {
    padding: 16px;
  }

  .topnav,
  .filter-bar {
    width: 100%;
  }

  .topnav a,
  .filter-button,
  .work-link {
    justify-content: center;
  }

  .profile-list div,
  .detail-overview div,
  .mini-stats div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  h1 {
    font-size: 1.28rem;
  }

  .detail-title {
    font-size: 1.24rem;
  }
}