/* =========================================================
   SEAGULL FOUR — Reusable UI Components
   Use the ui- prefix to avoid collisions with page-specific CSS.
   ========================================================= */

:root {
  --color-surface: #FFFFFF;
  --color-surface-subtle: #E8EDF3;
  --color-accent-hover: #123D6B;
  --color-success: #26734D;
  --color-warning: #946200;
  --color-danger: #B42318;
  --color-focus: rgba(27, 79, 138, .28);
  --shadow-sm: 0 2px 10px rgba(10, 22, 40, .08);
  --shadow-md: 0 12px 32px rgba(10, 22, 40, .12);
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-pill: 999px;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --control-height: 48px;
}

/* Layout helpers */
.ui-stack { display: flex; flex-direction: column; gap: var(--space-5); }
.ui-stack--sm { gap: var(--space-3); }
.ui-stack--lg { gap: var(--space-7); }
.ui-row { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.ui-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.ui-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 768px) {
  .ui-grid, .ui-grid--3 { grid-template-columns: 1fr; }
}

/* Typography */
.ui-eyebrow {
  font-family: var(--font-mono); font-size: .6875rem; letter-spacing: .24em;
  color: var(--color-muted); text-transform: uppercase;
}
.ui-heading-1, .ui-heading-2, .ui-heading-3, .ui-heading-4 {
  font-family: var(--font-display); font-weight: 500; line-height: 1.45; letter-spacing: .04em;
}
.ui-heading-1 { font-size: clamp(2rem, 4vw, 3.5rem); }
.ui-heading-2 { font-size: clamp(1.625rem, 3vw, 2.5rem); }
.ui-heading-3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }
.ui-heading-4 { font-size: 1.125rem; }
.ui-lead { font-size: 1.0625rem; line-height: 2; color: var(--color-fg); }
.ui-text { font-size: .9375rem; line-height: 1.9; }
.ui-text--muted { color: var(--color-muted); }
.ui-caption { font-size: .75rem; line-height: 1.7; color: var(--color-muted); }
.ui-required { color: var(--color-danger); font-size: .75rem; margin-left: .35em; }

/* Links */
.ui-link {
  color: var(--color-accent); text-decoration: underline; text-decoration-thickness: 1px;
  text-underline-offset: .25em; transition: color .2s, text-decoration-color .2s;
}
.ui-link:hover { color: var(--color-accent-hover); text-decoration-color: transparent; }
.ui-link--arrow { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; }
.ui-link--arrow::after { content: '→'; transition: transform .2s; }
.ui-link--arrow:hover::after { transform: translateX(.25rem); }
.ui-link--subtle { color: var(--color-muted); }
.ui-link--subtle:hover { color: var(--color-fg); }

/* Buttons */
.ui-button {
  min-height: var(--control-height); display: inline-flex; align-items: center; justify-content: center;
  gap: .625rem; padding: .75rem 1.5rem; border: 1px solid var(--color-accent);
  background: var(--color-accent); color: #fff; font: 500 .8125rem/1 var(--font-sans);
  letter-spacing: .12em; text-align: center; transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.ui-button:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.ui-button:active { transform: translateY(1px); }
.ui-button:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }
.ui-button--secondary { background: var(--color-fg); border-color: var(--color-fg); }
.ui-button--secondary:hover { background: #1D2A3C; border-color: #1D2A3C; }
.ui-button--outline { background: transparent; color: var(--color-accent); }
.ui-button--outline:hover { background: var(--color-accent); color: #fff; }
.ui-button--ghost { background: transparent; border-color: var(--color-border); color: var(--color-fg); }
.ui-button--ghost:hover { background: var(--color-card); border-color: rgba(10,22,40,.22); }
.ui-button--danger { background: var(--color-danger); border-color: var(--color-danger); }
.ui-button--danger:hover { background: #8F1B13; border-color: #8F1B13; }
.ui-button--small { min-height: 38px; padding: .625rem 1rem; font-size: .75rem; }
.ui-button--large { min-height: 56px; padding: 1rem 2rem; }
.ui-button--block { width: 100%; }

/* Button group
   Primary / secondary actions share the same width.
   Production example: .btnBox > .ui-button */
.btnBox {
  display: flex; align-items: stretch; justify-content: center; gap: 1rem; width: 100%;
}
.btnBox > .ui-button {
  flex: 1 1 0; width: auto; max-width: 320px; min-width: 0; white-space: nowrap;
}
.btnBox > .ui-button--block { width: auto; }

.ui-button:disabled, .ui-button.is-disabled {
  background: #D6DCE4; border-color: #D6DCE4; color: #7C8798; cursor: not-allowed; transform: none;
}

/* Cards / panels */
.ui-panel { background: var(--color-surface); border: 1px solid var(--color-border); padding: clamp(1.25rem, 3vw, 2rem); }
.ui-panel--subtle { background: var(--color-card); }
.ui-panel__header { padding-bottom: 1rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--color-border); }

/* Form fields */
.ui-field { display: flex; flex-direction: column; gap: .5rem; }
.ui-label { font-size: .8125rem; font-weight: 600; letter-spacing: .06em; color: var(--color-fg); }
.ui-help { font-size: .75rem; line-height: 1.65; color: var(--color-muted); }
.ui-error { font-size: .75rem; line-height: 1.65; color: var(--color-danger); }
/* ASP.NET validation output does not always include .ui-error. */
.ui-field .inputError { font-size: .75rem; line-height: 1.65; color: var(--color-danger); }
.ui-input, .ui-textarea, .ui-select {
  width: 100%; min-height: var(--control-height); border: 1px solid rgba(10,22,40,.22);
  border-radius: var(--radius-sm); background: #fff; color: var(--color-fg);
  font: .9375rem/1.5 var(--font-sans); padding: .75rem 1rem; transition: border-color .2s, box-shadow .2s, background .2s;
}
.ui-input::placeholder, .ui-textarea::placeholder { color: #8A96A6; }
.ui-input:hover, .ui-textarea:hover, .ui-select:hover { border-color: rgba(10,22,40,.45); }
.ui-input:focus, .ui-textarea:focus, .ui-select:focus {
  outline: none; border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-focus);
}
.ui-textarea { min-height: 140px; resize: vertical; }
.ui-select {
  appearance: none; padding-right: 3rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-muted) 50%), linear-gradient(135deg, var(--color-muted) 50%, transparent 50%);
  background-position: calc(100% - 19px) calc(50% - 2px), calc(100% - 13px) calc(50% - 2px);
  background-size: 6px 6px, 6px 6px; background-repeat: no-repeat;
}
.ui-input:disabled, .ui-input.disabled, .ui-textarea:disabled, .ui-select:disabled,
.ui-select#disabled,.ui-input#disabled, .ui-input#disabled, .ui-textarea#disabled {
  background: #EDF0F4; color: #7C8798; cursor: not-allowed;
}

/* ASP.NET Label/Span: inline color指定をdisabled表示時のみ上書き */
.ui-input.disabled {
  color: #7C8798 !important;
}
.ui-field.is-error .ui-input, .ui-field.is-error .ui-textarea, .ui-field.is-error .ui-select {
  border-color: var(--color-danger); box-shadow: 0 0 0 3px rgba(180,35,24,.1);
}
/* Input groups
   Keep controls and separators on one row where possible.
   ASP.NET validation/confirmation divs are forced onto a new line. */
.ui-input-group,
.ui-select-group {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem;
}
.ui-input-group > .ui-input,
.ui-select-group > .ui-select {
  width: auto; min-width: 0; flex: 1 1 0; border-radius: var(--radius-sm);
}
.ui-input-group > span:not(.inputError),
.ui-select-group > span:not(.inputError) {
  flex: 0 0 auto; color: var(--color-muted); line-height: 1; text-align: center;
}
.ui-input-group > .ui-button { flex: 0 0 auto; border-radius: var(--radius-sm); }
.ui-input-group > div { flex: 0 0 100%; width: 100%; }
.ui-input-group .inputError, .ui-input-group .ui-error { display: block; width: 100%; }
.ui-input-group .telInput1,
.ui-input-group .telInput2,
.ui-input-group .telInput3 { text-align: center; }


/* Form element reset */
fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
legend {
  padding: 0;
}


/* Select size variation
   Height and typography follow .ui-select; only the width changes. */
.ui-select--sm {
  width: 160px;
  max-width: 100%;
}

@media (max-width: 480px) {
  .ui-select--sm {
    width: 100%;
    flex-basis: 100%;
  }
}


/* Quantity select variation
   Uses the standard .ui-select height/typography and only reduces width. */
.ui-select--xs {
  width: 80px;
  padding-right: 2rem;
  max-width: 100%;
}

/* Checkbox / radio */
.ui-choice { display: inline-flex; align-items: flex-start; gap: .75rem; cursor: pointer; font-size: .875rem; line-height: 1.6; }
.ui-choice input { position: absolute; opacity: 0; pointer-events: none; }
.ui-choice__mark {
  width: 20px; height: 20px; flex: 0 0 20px; margin-top: .1em; display: grid; place-items: center;
  border: 1px solid rgba(10,22,40,.35); background: #fff; transition: border-color .2s, background .2s, box-shadow .2s;
}
.ui-choice--radio .ui-choice__mark { border-radius: 50%; }
.ui-choice input:focus-visible + .ui-choice__mark { box-shadow: 0 0 0 3px var(--color-focus); }
.ui-choice input:checked + .ui-choice__mark { background: var(--color-accent); border-color: var(--color-accent); }
.ui-choice:not(.ui-choice--radio) input:checked + .ui-choice__mark::after {
  content: ''; width: 9px; height: 5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg) translateY(-1px);
}
.ui-choice--radio input:checked + .ui-choice__mark::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #fff; }
.ui-choice input:disabled + .ui-choice__mark, .ui-choice input:disabled ~ .ui-choice__text { opacity: .55; cursor: not-allowed; }
.ui-choice-group { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }

/* ASP.NET RadioButtonList output
   <span><input type="radio"><label>...</label>...</span> */
.ui-choice-group > span:first-child { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
input[type="radio"] {
  position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none;
}
input[type="radio"] + label {
  position: relative; display: inline-flex; align-items: center; min-height: 44px;
  padding: .625rem 1rem .625rem 2.75rem; border: 1px solid rgba(10,22,40,.22);
  border-radius: var(--radius-sm); background: #fff; color: var(--color-fg);
  font-size: .875rem; line-height: 1.5; cursor: pointer;
  transition: border-color .2s, background-color .2s, color .2s, box-shadow .2s;
}
input[type="radio"] + label::before {
  content: ''; position: absolute; left: 1rem; top: 50%; width: 18px; height: 18px;
  border: 1px solid rgba(10,22,40,.35); border-radius: 50%; background: #fff;
  transform: translateY(-50%); box-sizing: border-box;
}
input[type="radio"] + label::after {
  content: ''; position: absolute; left: calc(1rem + 5px); top: 50%; width: 8px; height: 8px;
  border-radius: 50%; background: var(--color-accent);
  transform: translateY(-50%) scale(0); transition: transform .15s ease;
}
input[type="radio"] + label:hover { border-color: var(--color-accent); }
input[type="radio"]:checked + label {
  border-color: var(--color-accent); background: rgba(27,79,138,.05);
}
input[type="radio"]:checked + label::before { border-color: var(--color-accent); }
input[type="radio"]:checked + label::after { transform: translateY(-50%) scale(1); }
input[type="radio"]:focus-visible + label { box-shadow: 0 0 0 3px var(--color-focus); }
input[type="radio"]:disabled + label { opacity: .55; cursor: not-allowed; }
.ui-choice-group > .ui-error, .ui-choice-group > div { flex: 0 0 100%; width: 100%; }

/* ASP.NET CheckBox output used by member registration
   <div class="UserRegistForm"><input type="checkbox"><label>...</label></div> */
.ui-field > .UserRegistForm,
.ui-field  .UserRegistForm span { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.ui-field > .UserRegistForm > input[type="checkbox"],
.ui-field   .UserRegistForm > span > input[type="checkbox"] {
  position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none;
}
.ui-field > .UserRegistForm > input[type="checkbox"] + label,
.ui-field   .UserRegistForm > span > input[type="checkbox"] + label {
  position: relative; display: inline-flex; align-items: center; min-height: 44px;
  padding: .625rem 1rem .625rem 2.75rem; border: 1px solid rgba(10,22,40,.22);
  border-radius: var(--radius-sm); background: #fff; color: var(--color-fg);
  font-size: .875rem; line-height: 1.5; cursor: pointer;
  transition: border-color .2s, background-color .2s, color .2s, box-shadow .2s;
}
.ui-field > .UserRegistForm > input[type="checkbox"] + label::before,
.ui-field   .UserRegistForm > span > input[type="checkbox"] + label::before {
  content: ''; position: absolute; left: 1rem; top: 50%; width: 18px; height: 18px;
  border: 1px solid rgba(10,22,40,.35); border-radius: 4px; background: #fff;
  transform: translateY(-50%); box-sizing: border-box;
}
.ui-field > .UserRegistForm > input[type="checkbox"] + label::after,
.ui-field   .UserRegistForm > span > input[type="checkbox"] + label::after {
  content: ''; position: absolute; left: calc(1rem + 5px); top: calc(50% - 1px);
  width: 8px; height: 5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  opacity: 0; transform: translateY(-50%) rotate(-45deg);
}
.ui-field > .UserRegistForm > input[type="checkbox"] + label:hover,
.ui-field   .UserRegistForm > span > input[type="checkbox"] + label:hover { border-color: var(--color-accent); }
.ui-field > .UserRegistForm > input[type="checkbox"]:checked + label,
.ui-field .UserRegistForm > span > input[type="checkbox"]:checked + label {
  border-color: var(--color-accent); background: rgba(27,79,138,.05);
}
.ui-field > .UserRegistForm > input[type="checkbox"]:checked + label::before,
.ui-field .UserRegistForm > span > input[type="checkbox"]:checked + label::before {
  border-color: var(--color-accent); background: var(--color-accent);
}
.ui-field > .UserRegistForm > input[type="checkbox"]:checked + label::after,
.ui-field .UserRegistForm > span > input[type="checkbox"]:checked + label::after { opacity: 1; }
.ui-field > .UserRegistForm > input[type="checkbox"]:focus-visible + label,
.ui-field > .UserRegistForm > span > input[type="checkbox"]:focus-visible + label { box-shadow: 0 0 0 3px var(--color-focus); }
.ui-field > .UserRegistForm > input[type="checkbox"]:disabled + label,
.ui-field > .UserRegistForm > span > input[type="checkbox"]:disabled + label { opacity: .55; cursor: not-allowed; }

@media (max-width: 480px) {
  .btnBox { flex-direction: column; }
  .btnBox > .ui-button,
  .btnBox > .ui-button--block { width: 100%; max-width: none; }

  .ui-input-group { gap: .5rem; }
  .ui-choice-group > span:first-child { width: 100%; }
  .ui-choice-group > span:first-child > input[type="radio"] + label { flex: 1 1 auto; justify-content: flex-start; }
  .ui-field > .UserRegistForm > input[type="checkbox"] + label,
  .ui-field .UserRegistForm > span > input[type="checkbox"] + label,
  .ui-field .UserRegistForm > .relationShip > input[type="checkbox"] + label { width: 100%; }
}

/* Switch */
.ui-switch { display: inline-flex; align-items: center; gap: .75rem; cursor: pointer; font-size: .875rem; }
.ui-switch input { position: absolute; opacity: 0; }
.ui-switch__track { width: 44px; height: 24px; padding: 3px; border-radius: var(--radius-pill); background: #B7C0CC; transition: background .2s, box-shadow .2s; }
.ui-switch__thumb { display: block; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-sm); transition: transform .2s; }
.ui-switch input:checked + .ui-switch__track { background: var(--color-accent); }
.ui-switch input:checked + .ui-switch__track .ui-switch__thumb { transform: translateX(20px); }
.ui-switch input:focus-visible + .ui-switch__track { box-shadow: 0 0 0 3px var(--color-focus); }

/* Alerts */
.ui-alert { border-left: 3px solid var(--color-accent); background: #EDF4FB; padding: 1rem 1.25rem; font-size: .875rem; line-height: 1.75; }
.ui-alert--success { border-left-color: var(--color-success); background: #EDF8F2; }
.ui-alert--warning { border-left-color: var(--color-warning); background: #FFF8E8; }
.ui-alert--danger { border-left-color: var(--color-danger); background: #FFF0EF; }
.ui-alert__title { display: block; margin-bottom: .25rem; font-weight: 700; }

/* Badge */
.ui-badge { display: inline-flex; align-items: center; min-height: 24px; padding: .25rem .625rem; border: 1px solid var(--color-border); font: .6875rem/1 var(--font-mono); letter-spacing: .08em; color: var(--color-muted); background: #fff; }
.ui-badge--accent { border-color: var(--color-accent); color: var(--color-accent); }
.ui-badge--filled { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

/* Tables */
.ui-table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--color-border); }
.ui-table { width: 100%; border-collapse: collapse; background: #fff; font-size: .875rem; }
.ui-table th, .ui-table td { padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.ui-table th { background: var(--color-card); font-size: .75rem; letter-spacing: .08em; white-space: nowrap; }
.ui-table tr:last-child td { border-bottom: none; }
.ui-table tbody tr:hover { background: rgba(232,237,243,.45); }

/* Pagination */
.ui-pagination { display: flex; align-items: center; justify-content: center; gap: .5rem; list-style: none; }
.ui-pagination a, .ui-pagination span {
  min-width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--color-border);
  background: #fff; font: .75rem/1 var(--font-mono); transition: background .2s, color .2s, border-color .2s;
}
.ui-pagination a:hover, .ui-pagination .is-current { background: var(--color-fg); border-color: var(--color-fg); color: #fff; }

/* Breadcrumbs */
.ui-breadcrumbs { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; font-size: .75rem; color: var(--color-muted); }
.ui-breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: .5rem; color: #A7B0BD; }
.ui-breadcrumbs a:hover { color: var(--color-accent); }

/* Definition list useful for cart/order summaries */
.ui-summary { border-top: 1px solid var(--color-border); }
.ui-summary__row { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; padding: .875rem 0; border-bottom: 1px solid var(--color-border); }
.ui-summary__row dt { color: var(--color-muted); }
.ui-summary__row dd { font-weight: 600; text-align: right; }
.ui-summary__row--total { font-size: 1.125rem; }
.ui-summary__row--total dd { color: var(--color-accent); font-family: var(--font-display); font-size: 1.5rem; }

/* Pagination extensions */
.ui-pagination-wrap { display: grid; gap: 1rem; justify-items: center; }
.ui-pagination-summary { margin: 0; font-size: .75rem; color: var(--color-muted); letter-spacing: .06em; }
.ui-pagination__control { width: auto !important; min-width: 4.5rem; padding: 0 .875rem !important; }
.ui-pagination .is-disabled { border-color: var(--color-border); background: transparent; color: #A7B0BD; cursor: not-allowed; }
.ui-pagination__ellipsis { border-color: transparent !important; background: transparent !important; color: var(--color-muted) !important; }
@media (max-width: 480px) {
  .ui-pagination { gap: .25rem; }
  .ui-pagination a, .ui-pagination span { width: 2.25rem; height: 2.25rem; }
  .ui-pagination__control { min-width: 3.75rem; padding: 0 .5rem !important; }
}

.card-list-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: transparent;
}

/* カード間の境界線だけを表示し、商品数が少ない場合の空き列には色を出さない */
.card-list-grid > .address-card {
  border-left: 1px solid var(--color-border);
}

.card-list-grid > .address-card:nth-child(3n + 1) {
  border-left: 0;
}

.card-list-grid > .address-card:nth-child(n + 4) {
  border-top: 1px solid var(--color-border);
}

@media (max-width: 480px) {
  .card-list-grid{
    grid-template-columns: 1fr;
  }

  .card-list-grid > .address-card,
  .card-list-grid > .address-card:nth-child(3n + 1) {
    border-left: 0;
  }

  .card-list-grid > .address-card:nth-child(n + 4) {
    border-top: 0;
  }

  .card-list-grid > .address-card + .address-card {
    border-top: 1px solid var(--color-border);
  }
}

.address-card {
    background: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
}
.address-card__body{
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: .75rem;
}
.adress-card__title > span{
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .25rem .5rem;
    font-size: ;
    letter-spacing: .08em;
    color: #fff;
    background-color: #9FB5A8;
    font-size: 12px;
}
.adress-card__name{
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.4;
    transition: color .3s;
}
.address-card__address{
    margin-top: auto;
    padding-top: .75rem;
    border-top: 1px solid var(--color-border);
}
.ui-form-block{
    display: grid;
    gap: 1rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
}
.ui-select-group.ui-date-group .ui-select{
  flex: initial;
}