:root {
  --main-max-width: 1300px;
  --main-padding: 26px;
  --secondary-border-width: 8px;
  --section-margin: 52px;
  --event-item-margin: 52px;
  --mobile-indent: 26px;
  --small-mobile-indent: 20px;
  --tiny-mobile-indent: 13px;
}

/* Base Layout */
.past-events-main,
.event-header,
.salon-kobo-overview,
.section-header {
  max-width: var(--main-max-width);
  margin: var(--section-margin) auto;
  padding: 0 var(--main-padding);
  box-sizing: border-box;
}

.past-events-main + .section-header {
  margin-top: 250px !important;
}

.event-header {
  margin-top: 104px;
}

.salon-kobo-overview {
  margin-top: 26px;
  margin-bottom: 26px;
}

.section-header {
  margin: 104px auto 26px;
  background-color: transparent !important;
  border: none !important;
}

.section-header h2,
.section-header .header-title {
  background-color: var(--bg-light) !important;
  padding: 13px 20px !important;
  border: none !important;
  border-left: var(--secondary-border-width) solid var(--secondary-color) !important;
  margin: 104px 0 26px !important;
  font-size: 1.463rem !important;
  font-weight: bold !important;
  color: var(--secondary-color) !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

/* Past Events */
.past-event-section {
  margin-bottom: 104px;
}

.past-event-item {
  margin: 130px 26px 130px 26px;
}

.past-event-header-container {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  row-gap: 0.5rem;
  box-sizing: border-box;
  border-block-end-style: solid;
  border-block-end-width: 1px;
  border-inline-start-style: solid;
  border-inline-start-width: 8px;
  border-color: var(--secondary-color);
  padding-block: 0.25rem;
  padding-inline: 1rem;
  min-block-size: 4.5rem;
}

.past-event-date {
  font-size: 14px;
  color: var(--text-dark);
}

.past-event-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 1.25rem;
  row-gap: 0.5rem;
}

.past-event-number,
.past-event-title {
  font-weight: bold;
  font-size: 18px;
  color: var(--text-dark);
}

.past-event-divider {
  display: none;
}

.past-event-details {
  margin-block: 1rem;
}

.past-event-info-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 0.5rem;
  row-gap: 0.5rem;
  margin-block: 1.5rem;

  & .past-info-row {
    display: grid;
    grid-column: 1 / -1;
    grid-row: span 1;
    grid-template-columns: subgrid;
  }
}

.section-header + .past-events-main .past-event-item:first-child {
  margin-top: 52px;
}

.past-event-details-with-image {
  position: relative;
}

.past-event-image-positioned {
  background: #ffffff;
  position: absolute;
  top: 0;
  right: 26px;
  z-index: 1;
}

.past-event-image-positioned img {
  transition: opacity 2s;
  opacity: 1;
}

.past-event-image-positioned:hover img {
  opacity: 0.2;
}

.past-event-additional-info {
  margin-top: 26px;
  clear: both;
}

.past-event-description {
  margin-bottom: 26px;
  line-height: 1.7;
  padding-left: 39px;
}

.contact-email {
  color: #0066cc;
  text-decoration: none;
  word-break: break-all;
}

.contact-email:hover {
  text-decoration: underline;
}

.salon-kobo-description {
  margin-bottom: var(--event-item-margin);
  text-align: left;
  margin-left: var(--event-item-margin);
}

/* Desktop Table Styles */
.philosophy-dialogue-list {
  margin-block: 0;
  padding-inline: 0;
  list-style-type: none;
}
.philosophy-dialogue-list-item-work-list {
  margin-block: 0 1rem;
  padding-inline: 0;
  list-style-type: none;
}
.salon-kobo-table {
  width: 100%;
  border-collapse: collapse;
  border: none;
  table-layout: fixed;

  & :where(tr) {
    border-bottom: 1px solid #8b5a2b;
  }

  & :where(th, td) {
    box-sizing: content-box;
    border: none;
    padding-block: 1rem;
    padding-inline: 0.5rem;
    text-align: start;
    vertical-align: top;
    word-wrap: break-word;
  }

  & :where(th) {
    inline-size: 4rem;
    font-weight: normal;
  }
}

.table-container {
  overflow-x: auto;
  margin: 26px 0 26px var(--event-item-margin);
  width: calc(100% - var(--event-item-margin));
}

@media not (max-width: 768px) {
  .past-event-details {
    margin-inline: 1.75rem;
  }
  /* 哲学対話 */
  .philosophy-dialogue-list {
    display: grid;
    grid-template-columns: 4rem minmax(16rem, 28rem) 9rem 6rem;
    justify-content: space-evenly;
    row-gap: 0.5rem;
    column-gap: 1rem;
    list-style-type: none;
  }
  .philosophy-dialogue-list-item {
    display: grid;
    grid-row: span 1;
    grid-column: 1 / -1;
    grid-template-columns: subgrid;
  }
}

/* Mobile Styles */
@media (max-width: 768px) {
  :root {
    --main-padding: 20px;
    --event-item-margin: 20px;
    --secondary-border-width: 5px;
  }

  .section-header {
    margin: 30px 0 15px 0 !important;
    max-width: none !important;
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 0 20px !important;
    box-sizing: border-box !important;
    background-color: transparent !important;
    border: none !important;
  }

  .section-header h2,
  .section-header .header-title {
    background-color: var(--bg-light) !important;
    padding: 10px 15px !important;
    border: none !important;
    border-left: 5px solid var(--secondary-color) !important;
    margin: 0 !important;
    font-size: 1.2rem !important;
    font-weight: bold !important;
    color: var(--secondary-color) !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .past-events-main + .section-header {
    margin-top: 40px !important;
  }

  .past-event-item {
    margin: 52px 0;
    width: 100%;
    max-width: none;
    padding: 0;
    box-sizing: border-box;
  }

  .past-event-details {
    padding: 0;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    overflow: hidden;
  }

  .past-event-info-grid {
    padding-left: 0;
    margin: 1.6em 0 26px 0;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
  }

  .past-event-description {
    padding-left: 0;
    margin: 0 0 26px 0;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
  }

  .past-event-details-with-image {
    padding-right: 0;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: none;
    box-sizing: border-box;
  }

  .past-event-image-positioned {
    position: static;
    display: flex;
    justify-content: center;
    margin-bottom: 26px;
    width: 100%;
    order: -1;
  }

  .past-event-image-positioned img {
    width: 210px !important;
    height: 210px !important;
  }

  .past-event-title-row {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .past-event-title-left {
    width: 100%;
    margin-bottom: 10px;
  }

  /* Mobile Table Styles */
  .salon-kobo-description {
    margin-left: 0;
    margin-bottom: 26px;
    width: 100%;
    padding: 0;
    box-sizing: border-box;
  }

  .table-container {
    margin: 26px 0;
    width: 100%;
    max-width: none;
    overflow: visible;
    padding: 0;
    box-sizing: border-box;
  }

  /* 哲学対話 */
  .philosophy-dialogue-list-item {
    margin-block: 1rem;
    overflow: hidden;
    border-radius: 0.5rem;
    border: 1px solid #8b5a2b;
  }
  .philosophy-dialogue-list-item-number {
    border-block-end: 2px solid #8b5a2b;
    padding: 0.5rem;
    font-weight: bolder;
    text-align: center;
    background-color: #f7f0e3;
    color: var(--secondary-color);
  }

  :is(
    .philosophy-dialogue-list-item-details,
    .philosophy-dialogue-list-item-date,
    .philosophy-dialogue-list-item-facilitator,
  ) {
    padding-block: 0.5rem;
    padding-inline: 0.5rem;
  }

  .philosophy-dialogue-list-item-details::before,
  .philosophy-dialogue-list-item-date::before,
  .philosophy-dialogue-list-item-facilitator::before {
    content: attr(data-label) ":";
    display: block;
    border-block-end: 1px solid #ddd;
    padding-block: 0.25rem;
    font-size: 0.875rem;
    font-weight: bolder;
    color: var(--secondary-color);
  }

  .salon-kobo-table {
    width: 100%;
    max-width: none;
    margin: 0;
    border: none;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: auto;
    display: block;
  }

  .salon-kobo-table thead {
    display: none;
  }

  .salon-kobo-table tbody {
    display: block;
    width: 100%;
  }

  .salon-kobo-table tr {
    display: block;
    width: 100%;
    background: #fff;
    border: 1px solid #8b5a2b;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
  }

  .salon-kobo-table th {
    display: block;
    width: 100%;
    background: #f7f0e3;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    padding: 10px;
    border-radius: 6px 6px 0 0;
    border-bottom: 2px solid #8b5a2b;
    box-sizing: border-box;
  }

  .salon-kobo-table td {
    display: block;
    width: 100%;
    padding: 10px 8px;
    margin: 0;
    border: none;
    text-align: left;
    line-height: 1.6;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    word-break: break-all;
    hyphens: auto;
    white-space: pre-wrap;
    max-width: 100%;
    overflow: hidden;
    -webkit-hyphens: auto;
    -moz-hyphens: auto;
    -ms-hyphens: auto;
  }

  .salon-kobo-table td:before {
    content: attr(data-label) "：";
    display: block;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 5px;
    font-size: 14px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 3px;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    word-break: break-all;
    max-width: 100%;
  }

  .salon-kobo-table td:not(:last-child) {
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 15px;
    padding-bottom: 15px;
  }

  .salon-kobo-table .link {
    display: inline-block;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    word-break: break-all;
    white-space: pre-wrap;
    line-height: 1.4;
  }

  .salon-kobo-table td *,
  .salon-kobo-table td {
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    word-break: break-all;
    -webkit-word-break: break-all;
    -ms-word-break: break-all;
    -webkit-text-size-adjust: 100%;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  :root {
    --main-padding: 15px;
    --event-item-margin: 15px;
  }

  .section-header {
    margin: 25px 0 12px 0 !important;
    padding: 0 15px !important;
  }

  .section-header h2,
  .section-header .header-title {
    padding: 8px 12px !important;
    border-left: 4px solid var(--secondary-color) !important;
    font-size: 1.1rem !important;
  }

  .past-events-main + .section-header {
    margin-top: 35px !important;
  }

  .past-event-details {
    padding: 0;
  }

  .salon-kobo-table tr {
    margin-bottom: 15px;
    overflow: hidden;
  }

  .salon-kobo-table th,
  .salon-kobo-table td:first-child {
    display: block !important;
    background-color: #f7f0e3 !important;
    color: var(--secondary-color) !important;
    font-weight: bold !important;
    font-size: 14px !important;
    text-align: center !important;
    padding: 10px 3px !important;
    margin: 0 !important;
    border: none !important;
    border-bottom: 2px solid #8b5a2b !important;
    word-wrap: break-word !important;
    overflow-wrap: anywhere !important;
    word-break: break-all !important;
    line-height: 1.4 !important;
  }

  .salon-kobo-table td:first-child:before {
    display: none !important;
    content: none !important;
    visibility: hidden !important;
  }

  .salon-kobo-table td:not(:first-child) {
    padding: 12px 3px;
    font-size: 13px;
    line-height: 1.7;
    background-color: transparent;
    margin: 0 0 12px 0;
  }

  .salon-kobo-table td:not(:first-child):before {
    content: attr(data-label) "：";
    display: block;
    font-weight: bold;
    color: var(--secondary-color);
    margin: 0 0 6px 0;
    padding: 0 0 3px 0;
    font-size: 13px;
    border-bottom: none;
    line-height: 1.4;
    width: 100%;
    box-sizing: border-box;
  }

  .salon-kobo-table td:not(:first-child):not(:last-child) {
    border-bottom: none;
    margin-bottom: 15px;
    padding-bottom: 15px;
  }

  .salon-kobo-table td:not(:last-child) {
    margin-bottom: 12px;
    padding-bottom: 12px;
  }

  .salon-kobo-table td,
  .salon-kobo-table td *,
  .salon-kobo-table .link {
    word-spacing: -0.1em;
    letter-spacing: 0;
    text-overflow: ellipsis;
    overflow-wrap: anywhere;
    word-break: break-all;
    hyphens: auto;
    -webkit-hyphens: auto;
    -moz-hyphens: auto;
    -ms-hyphens: auto;
  }
}

@media (max-width: 360px) {
  :root {
    --main-padding: 10px;
  }

  .section-header {
    margin: 20px 0 10px 0 !important;
    padding: 0 10px !important;
  }

  .section-header h2,
  .section-header .header-title {
    padding: 6px 10px !important;
    border-left: 3px solid var(--secondary-color) !important;
    font-size: 1rem !important;
  }

  .past-events-main + .section-header {
    margin-top: 30px !important;
  }

  .salon-kobo-table tr {
    margin-bottom: 12px;
    max-width: 100%;
  }

  .salon-kobo-table th,
  .salon-kobo-table td:first-child {
    font-size: 13px !important;
    padding: 8px 2px !important;
  }

  .salon-kobo-table td:not(:first-child) {
    padding: 10px 2px;
    font-size: 12px;
    line-height: 1.6;
    word-spacing: -0.1em;
    letter-spacing: -0.03em;
    background-color: transparent;
    margin: 0 0 10px 0;
  }

  .salon-kobo-table td:not(:first-child):before {
    font-size: 12px;
    margin: 0 0 5px 0;
    padding: 0 0 2px 0;
  }

  .salon-kobo-table td:not(:first-child):not(:last-child) {
    margin-bottom: 12px;
    padding-bottom: 12px;
  }

  .salon-kobo-table td:not(:last-child) {
    margin-bottom: 10px;
    padding-bottom: 10px;
  }

  .salon-kobo-table td,
  .salon-kobo-table td *,
  .salon-kobo-table .link,
  .salon-kobo-table .external-link {
    overflow-wrap: anywhere;
    word-break: break-all;
    white-space: pre-wrap;
    -webkit-line-break: anywhere;
    line-break: anywhere;
    word-wrap: break-word;
    hyphens: auto;
    -webkit-hyphens: auto;
    -moz-hyphens: auto;
    -ms-hyphens: auto;
  }

  .salon-kobo-table a[href*="http"],
  .salon-kobo-table a[href*="www"] {
    display: inline-block;
    max-width: 100%;
    word-break: break-all;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
  }
}