:root {
  --paper: #e9e2d5;
  --paper-light: #f5f0e7;
  --ink: #20221f;
  --muted: #6c6d66;
  --line: rgba(32, 34, 31, 0.17);
  --line-strong: rgba(32, 34, 31, 0.34);
  --green: #304d43;
  --green-soft: #dce4dc;
  --red: #7a3d35;
  --mustard: #bd8e37;
  --shadow: 0 18px 44px rgba(46, 40, 31, 0.15);
  --sans: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.02em;
}
button, input, textarea, select { font: inherit; }
button { color: inherit; }
button, label, select { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }

.paper-noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.34;
  background-image:
    radial-gradient(rgba(0,0,0,.035) .7px, transparent .8px),
    radial-gradient(rgba(255,255,255,.45) .7px, transparent .8px);
  background-size: 7px 7px, 11px 11px;
  background-position: 0 0, 3px 5px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px 28px;
  background: rgba(233, 226, 213, 0.93);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--line-strong);
}
.brand {
  border: 0;
  background: none;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-align: left;
  cursor: pointer;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 49px;
  aspect-ratio: 1;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 800;
  transform: rotate(-5deg);
}
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-family: var(--serif); font-size: 23px; letter-spacing: .12em; }
.brand-copy small { color: var(--muted); font-size: 10px; letter-spacing: .08em; }
.topbar-actions { display: flex; align-items: center; gap: 12px; min-width: 0; }
.search-box {
  width: min(420px, 42vw);
  height: 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 11px;
  padding: 0 13px;
  background: var(--paper-light);
  border: 1px solid var(--line-strong);
}
.search-box > span { font-family: var(--serif); font-size: 12px; }
.search-box input { width: 100%; border: 0; outline: 0; background: transparent; font-size: 13px; }
.search-box kbd { color: var(--muted); font-size: 10px; font-weight: 700; border: 1px solid var(--line); padding: 3px 6px; }

.primary-button, .secondary-button, .danger-button {
  min-height: 44px;
  border: 1px solid var(--ink);
  padding: 0 17px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
}
.primary-button { background: var(--ink); color: var(--paper-light); }
.primary-button:hover { background: var(--green); }
.secondary-button { background: transparent; }
.secondary-button:hover { background: rgba(255,255,255,.34); }
.danger-button { background: var(--red); border-color: var(--red); color: white; }

.layout { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: calc(100vh - 86px); }
.side-index {
  position: sticky;
  top: 86px;
  height: calc(100vh - 86px);
  padding: 28px 18px 20px;
  border-right: 1px solid var(--line-strong);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.side-section + .side-section { margin-top: 34px; }
.side-label, .eyebrow, .settings-kicker {
  margin: 0;
  font-size: 9px;
  letter-spacing: .2em;
  font-weight: 900;
  color: var(--muted);
}
.side-nav { margin-top: 10px; }
.side-link, .collection-button {
  width: 100%;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 8px;
  cursor: pointer;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.side-link em, .collection-button em { font-style: normal; color: var(--muted); font-size: 10px; }
.side-link.is-active, .collection-button.is-active { background: var(--ink); color: var(--paper-light); }
.side-link.is-active em, .collection-button.is-active em { color: var(--paper); }
.side-heading-row { display: flex; align-items: center; justify-content: space-between; }
.text-icon-button { border: 0; background: none; font-size: 18px; cursor: pointer; }
.collection-list { margin-top: 10px; }
.empty-small { color: var(--muted); font-size: 11px; font-weight: 500; }
.side-foot { margin-top: auto; padding-top: 24px; display: grid; gap: 7px; }
.side-utility {
  border: 0;
  background: none;
  text-align: left;
  padding: 5px 0;
  color: var(--muted);
  cursor: pointer;
  font-size: 10px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.file-label { display: block; }

.main-stage { padding: 28px clamp(24px, 4.5vw, 74px) 80px; min-width: 0; }
.intro-panel {
  min-height: 216px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr);
  gap: 50px;
  align-items: end;
  padding: 30px 0 38px;
  border-bottom: 1px solid var(--line-strong);
}
.intro-panel h1 {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-size: clamp(35px, 4.8vw, 70px);
  line-height: 1.28;
  letter-spacing: .03em;
  font-weight: 700;
}
.intro-copy { margin: 0; color: var(--muted); font-family: var(--serif); line-height: 2; font-size: 13px; font-weight: 600; }
.toolbar { display: flex; align-items: end; justify-content: space-between; gap: 18px; padding: 22px 0; }
.result-summary { display: flex; align-items: baseline; gap: 10px; }
.result-summary strong { font-family: var(--serif); font-size: 21px; }
.result-summary span { color: var(--muted); font-size: 11px; }
.toolbar-controls { display: flex; align-items: center; gap: 15px; }
.toolbar-controls label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 10px; }
.toolbar-controls select {
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  padding: 5px 24px 5px 5px;
  color: var(--ink);
  outline: 0;
  font-size: 11px;
}
.view-toggle { display: flex; border: 1px solid var(--line-strong); }
.view-toggle button { width: 36px; height: 33px; border: 0; background: transparent; cursor: pointer; }
.view-toggle button + button { border-left: 1px solid var(--line-strong); }
.view-toggle button.is-active { background: var(--ink); color: var(--paper-light); }

.entry-grid { column-count: 3; column-gap: 18px; }
.entry-grid.is-list { column-count: 1; }
.entry-card {
  break-inside: avoid;
  margin: 0 0 18px;
  background: rgba(245, 240, 231, .75);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: transform .17s ease, box-shadow .17s ease, background .17s ease;
}
.entry-card:hover, .entry-card:focus-visible { transform: translateY(-3px); box-shadow: var(--shadow); background: var(--paper-light); outline: none; }
.entry-card.is-pinned { border-top: 4px solid var(--green); }
.card-image-wrap { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: #d5cec0; }
.card-image { width: 100%; height: auto; min-height: 150px; max-height: 350px; object-fit: cover; }
.image-count { position: absolute; right: 8px; bottom: 8px; background: rgba(32,34,31,.84); color: white; font-size: 9px; padding: 5px 7px; }
.card-content { padding: 16px; }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.entry-type { color: var(--green); font-size: 9px; letter-spacing: .14em; font-weight: 900; }
.favorite-button { border: 0; background: transparent; cursor: pointer; font-size: 20px; line-height: 1; }
.favorite-button.is-favorite { color: var(--mustard); }
.card-title { margin: 12px 0 8px; font-family: var(--serif); font-size: 19px; line-height: 1.45; }
.card-excerpt { margin: 0; color: #4d4f49; font-size: 12px; line-height: 1.8; font-weight: 550; white-space: pre-line; display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical; overflow: hidden; }
.card-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 13px; }
.card-tags span { border: 1px solid var(--line); padding: 4px 7px; font-size: 9px; color: var(--muted); }
.card-foot { margin-top: 18px; padding-top: 10px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 9px; }
.entry-grid.is-list .entry-card { display: grid; grid-template-columns: 210px 1fr; }
.entry-grid.is-list .card-image-wrap { border-bottom: 0; border-right: 1px solid var(--line); }
.entry-grid.is-list .card-image { height: 100%; max-height: none; }
.entry-grid.is-list .card-excerpt { -webkit-line-clamp: 3; }

.empty-state { min-height: 430px; text-align: center; padding-top: 80px; }
.empty-illustration { position: relative; width: 160px; height: 90px; margin: 0 auto 28px; }
.empty-illustration span { position: absolute; width: 82px; height: 58px; border: 1px solid var(--ink); background: var(--paper-light); }
.empty-illustration span:nth-child(1) { left: 0; top: 19px; transform: rotate(-7deg); }
.empty-illustration span:nth-child(2) { right: 0; top: 4px; transform: rotate(7deg); }
.empty-illustration span:nth-child(3) { left: 42px; top: 28px; transform: rotate(1deg); }
.empty-state h2 { font-family: var(--serif); font-size: 25px; }
.empty-state p { color: var(--muted); font-size: 12px; margin-bottom: 24px; }

/* dialogs */
dialog { border: 0; padding: 0; background: transparent; color: var(--ink); }
dialog::backdrop { background: rgba(23, 25, 22, .68); backdrop-filter: blur(4px); }
.editor-dialog { width: min(1180px, 96vw); max-height: 94vh; }
.editor-shell, .detail-shell, .settings-shell, .confirm-shell { background: var(--paper-light); border: 1px solid rgba(255,255,255,.4); box-shadow: 0 30px 90px rgba(0,0,0,.32); }
.editor-shell { min-height: min(850px, 90vh); display: flex; flex-direction: column; }
.editor-header, .detail-header, .settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line-strong);
}
.editor-header h2, .detail-header h2, .settings-header h2 { margin: 5px 0 0; font-family: var(--serif); font-size: 27px; }
.editor-header-actions, .detail-actions { display: flex; align-items: center; gap: 12px; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line-strong); background: transparent; cursor: pointer; font-size: 24px; line-height: 1; }
.save-status { color: var(--muted); font-size: 10px; }
.editor-body { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(270px, .7fr); }
.editor-main { padding: 28px 30px 42px; overflow-y: auto; }
.editor-side { padding: 28px 24px; border-left: 1px solid var(--line-strong); overflow-y: auto; background: rgba(229, 221, 207, .38); }
.type-picker { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-strong); margin-bottom: 29px; }
.type-picker label { position: relative; padding: 13px 11px; cursor: pointer; min-height: 70px; }
.type-picker label + label { border-left: 1px solid var(--line-strong); }
.type-picker input { position: absolute; opacity: 0; }
.type-picker span, .type-picker small { display: block; }
.type-picker span { font-family: var(--serif); font-size: 13px; }
.type-picker small { margin-top: 5px; color: var(--muted); font-size: 9px; }
.type-picker label:has(input:checked) { background: var(--ink); color: var(--paper-light); }
.type-picker label:has(input:checked) small { color: var(--paper); }
.field { display: grid; gap: 8px; margin-bottom: 22px; }
.field > span { font-size: 11px; letter-spacing: .08em; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  border-radius: 0;
  outline: none;
  color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus { border-bottom-color: var(--green); box-shadow: inset 0 -1px 0 var(--green); }
.field input { min-height: 43px; }
.field textarea { resize: vertical; padding: 12px 0; line-height: 1.95; font-weight: 550; }
.field-title input { font-family: var(--serif); font-size: 29px; padding: 8px 0 13px; }
.field small { color: var(--muted); font-size: 9px; }
.field-meta { display: flex; justify-content: space-between; }
.compact { margin-bottom: 17px; }
.compact input, .compact select { font-size: 12px; }
.analysis-fields { padding-top: 18px; border-top: 1px dashed var(--line-strong); }
.image-drop { border: 1px dashed var(--line-strong); margin-bottom: 22px; min-height: 150px; }
.image-drop.is-dragging { background: var(--green-soft); border-style: solid; }
.image-drop > button { width: 100%; min-height: 148px; border: 0; background: transparent; display: grid; place-items: center; align-content: center; gap: 6px; cursor: pointer; }
.image-drop strong { font-family: var(--serif); font-size: 14px; }
.image-drop small { color: var(--muted); font-size: 9px; }
.drop-icon { font-size: 30px; font-weight: 300; }
.image-preview-list { display: grid; gap: 8px; padding: 0 8px 8px; }
.image-preview-item { position: relative; display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 9px; border-top: 1px solid var(--line); padding-top: 8px; }
.image-preview-item img { width: 70px; height: 52px; object-fit: cover; }
.image-preview-item span { min-width: 0; font-size: 9px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.image-preview-item button { border: 0; background: none; cursor: pointer; color: var(--red); }
.check-row { display: flex; align-items: center; gap: 9px; padding: 9px 0; font-size: 11px; cursor: pointer; }
.check-row input { accent-color: var(--green); }
.editor-footer { display: flex; align-items: center; justify-content: space-between; padding: 15px 24px; border-top: 1px solid var(--line-strong); }
.editor-footer-right { display: flex; gap: 9px; margin-left: auto; }
.danger-text-button { border: 0; background: none; color: var(--red); text-decoration: underline; text-underline-offset: 4px; cursor: pointer; font-size: 10px; }

.detail-dialog { width: min(1050px, 95vw); max-height: 92vh; }
.detail-shell { min-height: 600px; }
.detail-body { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(240px, .6fr); max-height: calc(92vh - 92px); overflow: hidden; }
.detail-content { overflow-y: auto; padding: 30px; }
.detail-meta { overflow-y: auto; padding: 27px 22px; border-left: 1px solid var(--line-strong); background: rgba(229, 221, 207, .38); }
.detail-images { display: grid; gap: 12px; margin-bottom: 29px; }
.detail-images img { width: 100%; max-height: 650px; object-fit: contain; background: #ddd5c6; }
.detail-text { white-space: pre-wrap; line-height: 2; font-family: var(--serif); font-size: 14px; font-weight: 600; }
.detail-analysis { display: grid; gap: 12px; margin-top: 30px; }
.analysis-block { border-top: 1px solid var(--line-strong); padding-top: 16px; }
.analysis-block h3 { margin: 0 0 8px; font-size: 10px; letter-spacing: .11em; color: var(--green); }
.analysis-block p { margin: 0; white-space: pre-wrap; line-height: 1.9; font-size: 12px; }
.meta-group { padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.meta-group:last-child { border-bottom: 0; }
.meta-label { display: block; margin-bottom: 7px; color: var(--muted); font-size: 9px; letter-spacing: .12em; }
.meta-value { font-size: 11px; line-height: 1.7; word-break: break-word; }
.meta-value a { color: var(--green); }
.meta-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.meta-tags span { border: 1px solid var(--line); padding: 5px 7px; font-size: 9px; }

.settings-dialog { width: min(820px, 94vw); }
.settings-content { padding: 26px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.settings-card { border: 1px solid var(--line-strong); padding: 22px; }
.settings-card h3 { font-family: var(--serif); margin: 10px 0 12px; font-size: 20px; }
.settings-card p { color: var(--muted); font-size: 11px; line-height: 1.8; }
.cloud-card { grid-column: 1 / -1; background: var(--green-soft); }
.storage-meter { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 10px; }

.confirm-dialog { width: min(430px, 90vw); }
.confirm-shell { padding: 28px; }
.confirm-shell h2 { margin: 0 0 10px; font-family: var(--serif); }
.confirm-shell p { color: var(--muted); font-size: 11px; line-height: 1.7; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 100;
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  background: var(--ink);
  color: white;
  padding: 11px 16px;
  font-size: 11px;
  transition: .18s ease;
  box-shadow: var(--shadow);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1050px) {
  .entry-grid { column-count: 2; }
  .layout { grid-template-columns: 205px minmax(0, 1fr); }
  .type-picker { grid-template-columns: repeat(2, 1fr); }
  .type-picker label:nth-child(3) { border-left: 0; border-top: 1px solid var(--line-strong); }
  .type-picker label:nth-child(4) { border-top: 1px solid var(--line-strong); }
}

@media (max-width: 760px) {
  .topbar { position: relative; min-height: auto; padding: 13px 15px; align-items: flex-start; }
  .brand-mark { width: 41px; font-size: 19px; }
  .brand-copy strong { font-size: 19px; }
  .brand-copy small { display: none; }
  .topbar-actions { flex: 1; justify-content: flex-end; }
  .search-box { width: 44px; padding: 0; grid-template-columns: 1fr; cursor: pointer; }
  .search-box > span, .search-box kbd { display: none; }
  .search-box::before { content: "⌕"; display: grid; place-items: center; font-size: 22px; }
  .search-box:focus-within { position: absolute; left: 15px; right: 15px; top: 12px; width: auto; z-index: 2; padding: 0 13px; grid-template-columns: 1fr; background: var(--paper-light); }
  .search-box:focus-within::before { display: none; }
  .search-box input { opacity: 0; position: absolute; }
  .search-box:focus-within input { opacity: 1; position: static; }
  .topbar .primary-button { width: 44px; min-width: 44px; padding: 0; overflow: hidden; white-space: nowrap; color: transparent; }
  .topbar .primary-button span { color: white; font-size: 20px; margin-left: 14px; }
  .layout { display: block; }
  .side-index {
    position: sticky;
    top: 0;
    z-index: 20;
    height: auto;
    padding: 8px 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
    background: rgba(233,226,213,.95);
    backdrop-filter: blur(12px);
    overflow-x: auto;
  }
  .side-section:first-child { margin: 0; }
  .side-section:nth-child(2), .side-foot, .side-label { display: none; }
  .side-nav { display: flex; gap: 5px; margin: 0; min-width: max-content; }
  .side-link { width: auto; gap: 7px; border: 1px solid var(--line); padding: 8px 10px; }
  .main-stage { padding: 22px 15px 70px; }
  .toolbar { align-items: center; }
  .toolbar-controls label { display: none; }
  .entry-grid { column-count: 1; }
  .entry-grid.is-list .entry-card { grid-template-columns: 100px 1fr; }
  .entry-grid.is-list .card-content { padding: 12px; }
  .entry-grid.is-list .card-tags { display: none; }
  .editor-dialog, .detail-dialog { width: 100vw; max-height: 100vh; margin: 0; }
  .editor-shell, .detail-shell { min-height: 100vh; }
  .editor-body { display: block; overflow-y: auto; }
  .editor-main, .editor-side { overflow: visible; padding: 22px 17px; }
  .editor-side { border-left: 0; border-top: 1px solid var(--line-strong); }
  .editor-header, .detail-header, .settings-header { padding: 15px 17px; }
  .editor-header h2, .detail-header h2 { font-size: 22px; }
  .save-status { display: none; }
  .type-picker { grid-template-columns: repeat(2, 1fr); }
  .field-title input { font-size: 24px; }
  .editor-footer { position: sticky; bottom: 0; background: var(--paper-light); padding: 10px 13px; }
  .detail-body { display: block; overflow-y: auto; max-height: calc(100vh - 75px); }
  .detail-content, .detail-meta { overflow: visible; }
  .detail-content { padding: 20px 17px; }
  .detail-meta { border-left: 0; border-top: 1px solid var(--line-strong); }
  .settings-content { grid-template-columns: 1fr; padding: 17px; }
  .cloud-card { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}